diff options
Diffstat (limited to 'drivers/video')
153 files changed, 12478 insertions, 8038 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 6ca0c40..a290be5 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1123,6 +1123,18 @@ config FB_RIVA_BACKLIGHT help Say Y here if you want to control the backlight of your display. +config FB_I740 + tristate "Intel740 support (EXPERIMENTAL)" + depends on EXPERIMENTAL && FB && PCI + select FB_MODE_HELPERS + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + select VGASTATE + select FB_DDC + help + This driver supports graphics cards based on Intel740 chip. + config FB_I810 tristate "Intel 810/815 support (EXPERIMENTAL)" depends on EXPERIMENTAL && FB && PCI && X86_32 && AGP_INTEL @@ -2001,18 +2013,6 @@ config FB_SH_MOBILE_HDMI ---help--- Driver for the on-chip SH-Mobile HDMI controller. -config FB_SH_MOBILE_MERAM - tristate "SuperH Mobile MERAM read ahead support for LCDC" - depends on FB_SH_MOBILE_LCDC - default y - ---help--- - Enable MERAM support for the SH-Mobile LCD controller. - - This will allow for caching of the framebuffer to provide more - reliable access under heavy main memory bus traffic situations. - Up to 4 memory channels can be configured, allowing 4 RGB or - 2 YCbCr framebuffers to be configured. - config FB_TMIO tristate "Toshiba Mobile IO FrameBuffer support" depends on FB && MFD_CORE @@ -2061,7 +2061,7 @@ config FB_S3C_DEBUG_REGWRITE config FB_S3C2410 tristate "S3C2410 LCD framebuffer support" - depends on FB && ARCH_S3C2410 + depends on FB && ARCH_S3C24XX select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT @@ -2233,6 +2233,7 @@ config FB_DA8XX select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select FB_CFB_REV_PIXELS_IN_BYTE ---help--- This is the frame buffer device driver for the TI LCD controller found on DA8xx/OMAP-L1xx SoCs. @@ -2269,6 +2270,7 @@ config XEN_FBDEV_FRONTEND select FB_SYS_IMAGEBLIT select FB_SYS_FOPS select FB_DEFERRED_IO + select INPUT_XEN_KBDDEV_FRONTEND select XEN_XENBUS_FRONTEND default y help @@ -2411,7 +2413,7 @@ config FB_PUV3_UNIGFX source "drivers/video/omap/Kconfig" source "drivers/video/omap2/Kconfig" - +source "drivers/video/exynos/Kconfig" source "drivers/video/backlight/Kconfig" if VT @@ -2422,4 +2424,16 @@ if FB || SGI_NEWPORT_CONSOLE source "drivers/video/logo/Kconfig" endif +config FB_SH_MOBILE_MERAM + tristate "SuperH Mobile MERAM read ahead support" + depends on (SUPERH || ARCH_SHMOBILE) + select GENERIC_ALLOCATOR + ---help--- + Enable MERAM support for the SuperH controller. + + This will allow for caching of the framebuffer to provide more + reliable access under heavy main memory bus traffic situations. + Up to 4 memory channels can be configured, allowing 4 RGB or + 2 YCbCr framebuffers to be configured. + endmenu diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 1426068..9356add 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -15,6 +15,8 @@ obj-$(CONFIG_VT) += console/ obj-$(CONFIG_LOGO) += logo/ obj-y += backlight/ +obj-$(CONFIG_EXYNOS_VIDEO) += exynos/ + obj-$(CONFIG_FB_CFB_FILLRECT) += cfbfillrect.o obj-$(CONFIG_FB_CFB_COPYAREA) += cfbcopyarea.o obj-$(CONFIG_FB_CFB_IMAGEBLIT) += cfbimgblt.o @@ -37,6 +39,7 @@ obj-$(CONFIG_FB_GRVGA) += grvga.o obj-$(CONFIG_FB_PM2) += pm2fb.o obj-$(CONFIG_FB_PM3) += pm3fb.o +obj-$(CONFIG_FB_I740) += i740fb.o obj-$(CONFIG_FB_MATROX) += matrox/ obj-$(CONFIG_FB_RIVA) += riva/ obj-$(CONFIG_FB_NVIDIA) += nvidia/ diff --git a/drivers/video/amifb.c b/drivers/video/amifb.c index f23cae09..887df9d 100644 --- a/drivers/video/amifb.c +++ b/drivers/video/amifb.c @@ -53,7 +53,6 @@ #include <linux/platform_device.h> #include <linux/uaccess.h> -#include <asm/system.h> #include <asm/irq.h> #include <asm/amigahw.h> #include <asm/amigaints.h> diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index e40c00f..d99505b 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -421,24 +421,18 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, var->red.length = var->green.length = var->blue.length = var->bits_per_pixel; break; - case 15: case 16: if (sinfo->lcd_wiring_mode == ATMEL_LCDC_WIRING_RGB) { /* RGB:565 mode */ var->red.offset = 11; var->blue.offset = 0; - var->green.length = 6; - } else if (sinfo->lcd_wiring_mode == ATMEL_LCDC_WIRING_RGB555) { - var->red.offset = 10; - var->blue.offset = 0; - var->green.length = 5; } else { - /* BGR:555 mode */ + /* BGR:565 mode */ var->red.offset = 0; - var->blue.offset = 10; - var->green.length = 5; + var->blue.offset = 11; } var->green.offset = 5; + var->green.length = 6; var->red.length = var->blue.length = 5; break; case 32: diff --git a/drivers/video/au1100fb.c b/drivers/video/au1100fb.c index de9da67..befcbd8 100644 --- a/drivers/video/au1100fb.c +++ b/drivers/video/au1100fb.c @@ -477,7 +477,8 @@ static int __devinit au1100fb_drv_probe(struct platform_device *dev) u32 sys_clksrc; /* Allocate new device private */ - fbdev = kzalloc(sizeof(struct au1100fb_device), GFP_KERNEL); + fbdev = devm_kzalloc(&dev->dev, sizeof(struct au1100fb_device), + GFP_KERNEL); if (!fbdev) { print_err("fail to allocate device private record"); return -ENOMEM; @@ -498,8 +499,9 @@ static int __devinit au1100fb_drv_probe(struct platform_device *dev) au1100fb_fix.mmio_start = regs_res->start; au1100fb_fix.mmio_len = resource_size(regs_res); - if (!request_mem_region(au1100fb_fix.mmio_start, au1100fb_fix.mmio_len, - DRIVER_NAME)) { + if (!devm_request_mem_region(au1100fb_fix.mmio_start, + au1100fb_fix.mmio_len, + DRIVER_NAME)) { print_err("fail to lock memory region at 0x%08lx", au1100fb_fix.mmio_start); return -EBUSY; @@ -514,8 +516,9 @@ static int __devinit au1100fb_drv_probe(struct platform_device *dev) fbdev->fb_len = fbdev->panel->xres * fbdev->panel->yres * (fbdev->panel->bpp >> 3) * AU1100FB_NBR_VIDEO_BUFFERS; - fbdev->fb_mem = dma_alloc_coherent(&dev->dev, PAGE_ALIGN(fbdev->fb_len), - &fbdev->fb_phys, GFP_KERNEL); + fbdev->fb_mem = dmam_alloc_coherent(&dev->dev, &dev->dev, + PAGE_ALIGN(fbdev->fb_len), + &fbdev->fb_phys, GFP_KERNEL); if (!fbdev->fb_mem) { print_err("fail to allocate frambuffer (size: %dK))", fbdev->fb_len / 1024); @@ -557,14 +560,14 @@ static int __devinit au1100fb_drv_probe(struct platform_device *dev) fbdev->info.fbops = &au1100fb_ops; fbdev->info.fix = au1100fb_fix; - if (!(fbdev->info.pseudo_palette = kzalloc(sizeof(u32) * 16, GFP_KERNEL))) { + fbdev->info.pseudo_palette = + devm_kzalloc(&dev->dev, sizeof(u32) * 16, GFP_KERNEL); + if (!fbdev->info.pseudo_palette) return -ENOMEM; - } if (fb_alloc_cmap(&fbdev->info.cmap, AU1100_LCD_NBR_PALETTE_ENTRIES, 0) < 0) { print_err("Fail to allocate colormap (%d entries)", AU1100_LCD_NBR_PALETTE_ENTRIES); - kfree(fbdev->info.pseudo_palette); return -EFAULT; } @@ -582,9 +585,6 @@ static int __devinit au1100fb_drv_probe(struct platform_device *dev) return 0; failed: - if (fbdev->regs) { - release_mem_region(fbdev->regs_phys, fbdev->regs_len); - } if (fbdev->fb_mem) { dma_free_noncoherent(&dev->dev, fbdev->fb_len, fbdev->fb_mem, fbdev->fb_phys); @@ -592,10 +592,9 @@ failed: if (fbdev->info.cmap.len != 0) { fb_dealloc_cmap(&fbdev->info.cmap); } - kfree(fbdev); platform_set_drvdata(dev, NULL); - return 0; + return -ENODEV; } int au1100fb_drv_remove(struct platform_device *dev) @@ -615,14 +614,7 @@ int au1100fb_drv_remove(struct platform_device *dev) /* Clean up all probe data */ unregister_framebuffer(&fbdev->info); - release_mem_region(fbdev->regs_phys, fbdev->regs_len); - - dma_free_coherent(&dev->dev, PAGE_ALIGN(fbdev->fb_len), fbdev->fb_mem, - fbdev->fb_phys); - fb_dealloc_cmap(&fbdev->info.cmap); - kfree(fbdev->info.pseudo_palette); - kfree((void*)fbdev); return 0; } diff --git a/drivers/video/au1200fb.c b/drivers/video/au1200fb.c index 04e4479..3e9a773 100644 --- a/drivers/video/au1200fb.c +++ b/drivers/video/au1200fb.c @@ -1724,7 +1724,7 @@ static int __devinit au1200fb_drv_probe(struct platform_device *dev) /* Allocate the framebuffer to the maximum screen size */ fbdev->fb_len = (win->w[plane].xres * win->w[plane].yres * bpp) / 8; - fbdev->fb_mem = dma_alloc_noncoherent(&dev->dev, + fbdev->fb_mem = dmam_alloc_noncoherent(&dev->dev, &dev->dev, PAGE_ALIGN(fbdev->fb_len), &fbdev->fb_phys, GFP_KERNEL); if (!fbdev->fb_mem) { @@ -1788,9 +1788,6 @@ static int __devinit au1200fb_drv_probe(struct platform_device *dev) failed: /* NOTE: This only does the current plane/window that failed; others are still active */ - if (fbdev->fb_mem) - dma_free_noncoherent(&dev->dev, PAGE_ALIGN(fbdev->fb_len), - fbdev->fb_mem, fbdev->fb_phys); if (fbi) { if (fbi->cmap.len != 0) fb_dealloc_cmap(&fbi->cmap); @@ -1817,10 +1814,6 @@ static int __devexit au1200fb_drv_remove(struct platform_device *dev) /* Clean up all probe data */ unregister_framebuffer(fbi); - if (fbdev->fb_mem) - dma_free_noncoherent(&dev->dev, - PAGE_ALIGN(fbdev->fb_len), - fbdev->fb_mem, fbdev->fb_phys); if (fbi->cmap.len != 0) fb_dealloc_cmap(&fbi->cmap); kfree(fbi->pseudo_palette); diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c index a1376dc..f49181c 100644 --- a/drivers/video/backlight/88pm860x_bl.c +++ b/drivers/video/backlight/88pm860x_bl.c @@ -67,6 +67,28 @@ static inline int wled_idc(int port) return ret; } +static int backlight_power_set(struct pm860x_chip *chip, int port, + int on) +{ + int ret = -EINVAL; + + switch (port) { + case PM8606_BACKLIGHT1: + ret = on ? pm8606_osc_enable(chip, WLED1_DUTY) : + pm8606_osc_disable(chip, WLED1_DUTY); + break; + case PM8606_BACKLIGHT2: + ret = on ? pm8606_osc_enable(chip, WLED2_DUTY) : + pm8606_osc_disable(chip, WLED2_DUTY); + break; + case PM8606_BACKLIGHT3: + ret = on ? pm8606_osc_enable(chip, WLED3_DUTY) : + pm8606_osc_disable(chip, WLED3_DUTY); + break; + } + return ret; +} + static int pm860x_backlight_set(struct backlight_device *bl, int brightness) { struct pm860x_backlight_data *data = bl_get_data(bl); @@ -79,6 +101,9 @@ static int pm860x_backlight_set(struct backlight_device *bl, int brightness) else value = brightness; + if (brightness) + backlight_power_set(chip, data->port, 1); + ret = pm860x_reg_write(data->i2c, wled_a(data->port), value); if (ret < 0) goto out; @@ -115,6 +140,9 @@ static int pm860x_backlight_set(struct backlight_device *bl, int brightness) if (ret < 0) goto out; + if (brightness == 0) + backlight_power_set(chip, data->port, 0); + dev_dbg(chip->dev, "set brightness %d\n", value); data->current_brightness = value; return 0; @@ -170,7 +198,6 @@ static int pm860x_backlight_probe(struct platform_device *pdev) struct backlight_device *bl; struct resource *res; struct backlight_properties props; - unsigned char value; char name[MFD_NAME_SIZE]; int ret; @@ -187,7 +214,8 @@ static int pm860x_backlight_probe(struct platform_device *pdev) return -EINVAL; } - data = kzalloc(sizeof(struct pm860x_backlight_data), GFP_KERNEL); + data = devm_kzalloc(&pdev->dev, sizeof(struct pm860x_backlight_data), + GFP_KERNEL); if (data == NULL) return -ENOMEM; strncpy(name, res->name, MFD_NAME_SIZE); @@ -200,7 +228,6 @@ static int pm860x_backlight_probe(struct platform_device *pdev) data->port = pdata->flags; if (data->port < 0) { dev_err(&pdev->dev, "wrong platform data is assigned"); - kfree(data); return -EINVAL; } @@ -211,33 +238,12 @@ static int pm860x_backlight_probe(struct platform_device *pdev) &pm860x_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); - kfree(data); return PTR_ERR(bl); } bl->props.brightness = MAX_BRIGHTNESS; platform_set_drvdata(pdev, bl); - /* Enable reference VSYS */ - ret = pm860x_reg_read(data->i2c, PM8606_VSYS); - if (ret < 0) - goto out; - if ((ret & PM8606_VSYS_EN) == 0) { - value = ret | PM8606_VSYS_EN; - ret = pm860x_reg_write(data->i2c, PM8606_VSYS, value); - if (ret < 0) - goto out; - } - /* Enable reference OSC */ - ret = pm860x_reg_read(data->i2c, PM8606_MISC); - if (ret < 0) - goto out; - if ((ret & PM8606_MISC_OSC_EN) == 0) { - value = ret | PM8606_MISC_OSC_EN; - ret = pm860x_reg_write(data->i2c, PM8606_MISC, value); - if (ret < 0) - goto out; - } /* read current backlight */ ret = pm860x_backlight_get_brightness(bl); if (ret < 0) @@ -247,17 +253,14 @@ static int pm860x_backlight_probe(struct platform_device *pdev) return 0; out: backlight_device_unregister(bl); - kfree(data); return ret; } static int pm860x_backlight_remove(struct platform_device *pdev) { struct backlight_device *bl = platform_get_drvdata(pdev); - struct pm860x_backlight_data *data = bl_get_data(bl); backlight_device_unregister(bl); - kfree(data); return 0; } diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig index 681b369..7ed9991 100644 --- a/drivers/video/backlight/Kconfig +++ b/drivers/video/backlight/Kconfig @@ -334,6 +334,27 @@ config BACKLIGHT_AAT2870 If you have a AnalogicTech AAT2870 say Y to enable the backlight driver. +config BACKLIGHT_LP855X + tristate "Backlight driver for TI LP855X" + depends on BACKLIGHT_CLASS_DEVICE && I2C + help + This supports TI LP8550, LP8551, LP8552, LP8553 and LP8556 + backlight driver. + +config BACKLIGHT_OT200 + tristate "Backlight driver for ot200 visualisation device" + depends on BACKLIGHT_CLASS_DEVICE && CS5535_MFGPT && GPIO_CS5535 + help + To compile this driver as a module, choose M here: the module will be + called ot200_bl. + +config BACKLIGHT_PANDORA + tristate "Backlight driver for Pandora console" + depends on TWL4030_CORE + help + If you have a Pandora console, say Y to enable the + backlight driver. + endif # BACKLIGHT_CLASS_DEVICE endif # BACKLIGHT_LCD_SUPPORT diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile index af5cf65..8071eb6 100644 --- a/drivers/video/backlight/Makefile +++ b/drivers/video/backlight/Makefile @@ -22,7 +22,9 @@ obj-$(CONFIG_BACKLIGHT_GENERIC) += generic_bl.o obj-$(CONFIG_BACKLIGHT_HP700) += jornada720_bl.o obj-$(CONFIG_BACKLIGHT_HP680) += hp680_bl.o obj-$(CONFIG_BACKLIGHT_LOCOMO) += locomolcd.o +obj-$(CONFIG_BACKLIGHT_LP855X) += lp855x_bl.o obj-$(CONFIG_BACKLIGHT_OMAP1) += omap1_bl.o +obj-$(CONFIG_BACKLIGHT_PANDORA) += pandora_bl.o obj-$(CONFIG_BACKLIGHT_PROGEAR) += progear_bl.o obj-$(CONFIG_BACKLIGHT_CARILLO_RANCH) += cr_bllcd.o obj-$(CONFIG_BACKLIGHT_PWM) += pwm_bl.o @@ -38,4 +40,4 @@ obj-$(CONFIG_BACKLIGHT_ADP8870) += adp8870_bl.o obj-$(CONFIG_BACKLIGHT_88PM860X) += 88pm860x_bl.o obj-$(CONFIG_BACKLIGHT_PCF50633) += pcf50633-backlight.o obj-$(CONFIG_BACKLIGHT_AAT2870) += aat2870_bl.o - +obj-$(CONFIG_BACKLIGHT_OT200) += ot200_bl.o diff --git a/drivers/video/backlight/aat2870_bl.c b/drivers/video/backlight/aat2870_bl.c index 331f1ef..7ff7522 100644 --- a/drivers/video/backlight/aat2870_bl.c +++ b/drivers/video/backlight/aat2870_bl.c @@ -145,7 +145,9 @@ static int aat2870_bl_probe(struct platform_device *pdev) goto out; } - aat2870_bl = kzalloc(sizeof(struct aat2870_bl_driver_data), GFP_KERNEL); + aat2870_bl = devm_kzalloc(&pdev->dev, + sizeof(struct aat2870_bl_driver_data), + GFP_KERNEL); if (!aat2870_bl) { dev_err(&pdev->dev, "Failed to allocate memory for aat2870 backlight\n"); @@ -162,7 +164,7 @@ static int aat2870_bl_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Failed allocate memory for backlight device\n"); ret = PTR_ERR(bd); - goto out_kfree; + goto out; } aat2870_bl->pdev = pdev; @@ -199,8 +201,6 @@ static int aat2870_bl_probe(struct platform_device *pdev) out_bl_dev_unregister: backlight_device_unregister(bd); -out_kfree: - kfree(aat2870_bl); out: return ret; } @@ -215,7 +215,6 @@ static int aat2870_bl_remove(struct platform_device *pdev) backlight_update_status(bd); backlight_device_unregister(bd); - kfree(aat2870_bl); return 0; } diff --git a/drivers/video/backlight/adp5520_bl.c b/drivers/video/backlight/adp5520_bl.c index 2e630bf..4911ea7 100644 --- a/drivers/video/backlight/adp5520_bl.c +++ b/drivers/video/backlight/adp5520_bl.c @@ -289,7 +289,7 @@ static int __devinit adp5520_bl_probe(struct platform_device *pdev) struct adp5520_bl *data; int ret = 0; - data = kzalloc(sizeof(*data), GFP_KERNEL); + data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); if (data == NULL) return -ENOMEM; @@ -298,7 +298,6 @@ static int __devinit adp5520_bl_probe(struct platform_device *pdev) if (data->pdata == NULL) { dev_err(&pdev->dev, "missing platform data\n"); - kfree(data); return -ENODEV; } @@ -314,7 +313,6 @@ static int __devinit adp5520_bl_probe(struct platform_device *pdev) &adp5520_bl_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); - kfree(data); return PTR_ERR(bl); } @@ -326,7 +324,6 @@ static int __devinit adp5520_bl_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "failed to register sysfs\n"); backlight_device_unregister(bl); - kfree(data); } platform_set_drvdata(pdev, bl); @@ -348,7 +345,6 @@ static int __devexit adp5520_bl_remove(struct platform_device *pdev) &adp5520_bl_attr_group); backlight_device_unregister(bl); - kfree(data); return 0; } diff --git a/drivers/video/backlight/adp8860_bl.c b/drivers/video/backlight/adp8860_bl.c index 378276c..550dbf0 100644 --- a/drivers/video/backlight/adp8860_bl.c +++ b/drivers/video/backlight/adp8860_bl.c @@ -819,17 +819,7 @@ static struct i2c_driver adp8860_driver = { .id_table = adp8860_id, }; -static int __init adp8860_init(void) -{ - return i2c_add_driver(&adp8860_driver); -} -module_init(adp8860_init); - -static void __exit adp8860_exit(void) -{ - i2c_del_driver(&adp8860_driver); -} -module_exit(adp8860_exit); +module_i2c_driver(adp8860_driver); MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); diff --git a/drivers/video/backlight/adp8870_bl.c b/drivers/video/backlight/adp8870_bl.c index 6735059..9be58c6 100644 --- a/drivers/video/backlight/adp8870_bl.c +++ b/drivers/video/backlight/adp8870_bl.c @@ -991,17 +991,7 @@ static struct i2c_driver adp8870_driver = { .id_table = adp8870_id, }; -static int __init adp8870_init(void) -{ - return i2c_add_driver(&adp8870_driver); -} -module_init(adp8870_init); - -static void __exit adp8870_exit(void) -{ - i2c_del_driver(&adp8870_driver); -} -module_exit(adp8870_exit); +module_i2c_driver(adp8870_driver); MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); diff --git a/drivers/video/backlight/ams369fg06.c b/drivers/video/backlight/ams369fg06.c index 7838a23..7bdadc7 100644 --- a/drivers/video/backlight/ams369fg06.c +++ b/drivers/video/backlight/ams369fg06.c @@ -629,18 +629,7 @@ static struct spi_driver ams369fg06_driver = { .resume = ams369fg06_resume, }; -static int __init ams369fg06_init(void) -{ - return spi_register_driver(&ams369fg06_driver); -} - -static void __exit ams369fg06_exit(void) -{ - spi_unregister_driver(&ams369fg06_driver); -} - -module_init(ams369fg06_init); -module_exit(ams369fg06_exit); +module_spi_driver(ams369fg06_driver); MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>"); MODULE_DESCRIPTION("ams369fg06 LCD Driver"); diff --git a/drivers/video/backlight/apple_bl.c b/drivers/video/backlight/apple_bl.c index be98d15..a523b25 100644 --- a/drivers/video/backlight/apple_bl.c +++ b/drivers/video/backlight/apple_bl.c @@ -24,6 +24,7 @@ #include <linux/io.h> #include <linux/pci.h> #include <linux/acpi.h> +#include <linux/atomic.h> static struct backlight_device *apple_backlight_device; @@ -221,14 +222,32 @@ static struct acpi_driver apple_bl_driver = { }, }; +static atomic_t apple_bl_registered = ATOMIC_INIT(0); + +int apple_bl_register(void) +{ + if (atomic_xchg(&apple_bl_registered, 1) == 0) + return acpi_bus_register_driver(&apple_bl_driver); + + return 0; +} +EXPORT_SYMBOL_GPL(apple_bl_register); + +void apple_bl_unregister(void) +{ + if (atomic_xchg(&apple_bl_registered, 0) == 1) + acpi_bus_unregister_driver(&apple_bl_driver); +} +EXPORT_SYMBOL_GPL(apple_bl_unregister); + static int __init apple_bl_init(void) { - return acpi_bus_register_driver(&apple_bl_driver); + return apple_bl_register(); } static void __exit apple_bl_exit(void) { - acpi_bus_unregister_driver(&apple_bl_driver); + apple_bl_unregister(); } module_init(apple_bl_init); diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c index c6533ba..6dab13f 100644 --- a/drivers/video/backlight/corgi_lcd.c +++ b/drivers/video/backlight/corgi_lcd.c @@ -629,17 +629,7 @@ static struct spi_driver corgi_lcd_driver = { .resume = corgi_lcd_resume, }; -static int __init corgi_lcd_init(void) -{ - return spi_register_driver(&corgi_lcd_driver); -} -module_init(corgi_lcd_init); - -static void __exit corgi_lcd_exit(void) -{ - spi_unregister_driver(&corgi_lcd_driver); -} -module_exit(corgi_lcd_exit); +module_spi_driver(corgi_lcd_driver); MODULE_DESCRIPTION("LCD and backlight driver for SHARP C7x0/Cxx00"); MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>"); diff --git a/drivers/video/backlight/cr_bllcd.c b/drivers/video/backlight/cr_bllcd.c index 6c8c540..22489eb 100644 --- a/drivers/video/backlight/cr_bllcd.c +++ b/drivers/video/backlight/cr_bllcd.c @@ -212,7 +212,7 @@ static int cr_backlight_probe(struct platform_device *pdev) &gpio_bar); gpio_bar &= ~0x3F; - crp = kzalloc(sizeof(*crp), GFP_KERNEL); + crp = devm_kzalloc(&pdev->dev, sizeof(*crp), GFP_KERNEL); if (!crp) { lcd_device_unregister(ldp); backlight_device_unregister(bdp); @@ -243,7 +243,6 @@ static int cr_backlight_remove(struct platform_device *pdev) backlight_device_unregister(crp->cr_backlight_device); lcd_device_unregister(crp->cr_lcd_device); pci_dev_put(lpc_dev); - kfree(crp); return 0; } diff --git a/drivers/video/backlight/da903x_bl.c b/drivers/video/backlight/da903x_bl.c index abb4a06..30e1968 100644 --- a/drivers/video/backlight/da903x_bl.c +++ b/drivers/video/backlight/da903x_bl.c @@ -110,7 +110,7 @@ static int da903x_backlight_probe(struct platform_device *pdev) struct backlight_properties props; int max_brightness; - data = kzalloc(sizeof(*data), GFP_KERNEL); + data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); if (data == NULL) return -ENOMEM; @@ -124,7 +124,6 @@ static int da903x_backlight_probe(struct platform_device *pdev) default: dev_err(&pdev->dev, "invalid backlight device ID(%d)\n", pdev->id); - kfree(data); return -EINVAL; } @@ -143,7 +142,6 @@ static int da903x_backlight_probe(struct platform_device *pdev) &da903x_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); - kfree(data); return PTR_ERR(bl); } @@ -157,10 +155,8 @@ static int da903x_backlight_probe(struct platform_device *pdev) static int da903x_backlight_remove(struct platform_device *pdev) { struct backlight_device *bl = platform_get_drvdata(pdev); - struct da903x_backlight_data *data = bl_get_data(bl); backlight_device_unregister(bl); - kfree(data); return 0; } diff --git a/drivers/video/backlight/ep93xx_bl.c b/drivers/video/backlight/ep93xx_bl.c index b62b8b9..08214e1 100644 --- a/drivers/video/backlight/ep93xx_bl.c +++ b/drivers/video/backlight/ep93xx_bl.c @@ -17,11 +17,6 @@ #include <linux/fb.h> #include <linux/backlight.h> -#include <mach/hardware.h> - -#define EP93XX_RASTER_REG(x) (EP93XX_RASTER_BASE + (x)) -#define EP93XX_RASTER_BRIGHTNESS EP93XX_RASTER_REG(0x20) - #define EP93XX_MAX_COUNT 255 #define EP93XX_MAX_BRIGHT 255 #define EP93XX_DEF_BRIGHT 128 @@ -35,7 +30,7 @@ static int ep93xxbl_set(struct backlight_device *bl, int brightness) { struct ep93xxbl *ep93xxbl = bl_get_data(bl); - __raw_writel((brightness << 8) | EP93XX_MAX_COUNT, ep93xxbl->mmio); + writel((brightness << 8) | EP93XX_MAX_COUNT, ep93xxbl->mmio); ep93xxbl->brightness = brightness; @@ -70,21 +65,29 @@ static int __init ep93xxbl_probe(struct platform_device *dev) struct ep93xxbl *ep93xxbl; struct backlight_device *bl; struct backlight_properties props; + struct resource *res; ep93xxbl = devm_kzalloc(&dev->dev, sizeof(*ep93xxbl), GFP_KERNEL); if (!ep93xxbl) return -ENOMEM; + res = platform_get_resource(dev, IORESOURCE_MEM, 0); + if (!res) + return -ENXIO; + /* - * This register is located in the range already ioremap'ed by - * the framebuffer driver. A MFD driver seems a bit of overkill - * to handle this so use the static I/O mapping; this address - * is already virtual. + * FIXME - We don't do a request_mem_region here because we are + * sharing the register space with the framebuffer driver (see + * drivers/video/ep93xx-fb.c) and doing so will cause the second + * loaded driver to return -EBUSY. * * NOTE: No locking is required; the framebuffer does not touch * this register. */ - ep93xxbl->mmio = EP93XX_RASTER_BRIGHTNESS; + ep93xxbl->mmio = devm_ioremap(&dev->dev, res->start, + resource_size(res)); + if (!ep93xxbl->mmio) + return -ENXIO; memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_RAW; diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c index 27d1d7a..6022b67 100644 --- a/drivers/video/backlight/l4f00242t03.c +++ b/drivers/video/backlight/l4f00242t03.c @@ -274,18 +274,7 @@ static struct spi_driver l4f00242t03_driver = { .shutdown = l4f00242t03_shutdown, }; -static __init int l4f00242t03_init(void) -{ - return spi_register_driver(&l4f00242t03_driver); -} - -static __exit void l4f00242t03_exit(void) -{ - spi_unregister_driver(&l4f00242t03_driver); -} - -module_init(l4f00242t03_init); -module_exit(l4f00242t03_exit); +module_spi_driver(l4f00242t03_driver); MODULE_AUTHOR("Alberto Panizzo <maramaopercheseimorto@gmail.com>"); MODULE_DESCRIPTION("EPSON L4F00242T03 LCD"); diff --git a/drivers/video/backlight/ld9040.c b/drivers/video/backlight/ld9040.c index 78dafc0..efd352b 100644 --- a/drivers/video/backlight/ld9040.c +++ b/drivers/video/backlight/ld9040.c @@ -856,18 +856,7 @@ static struct spi_driver ld9040_driver = { .resume = ld9040_resume, }; -static int __init ld9040_init(void) -{ - return spi_register_driver(&ld9040_driver); -} - -static void __exit ld9040_exit(void) -{ - spi_unregister_driver(&ld9040_driver); -} - -module_init(ld9040_init); -module_exit(ld9040_exit); +module_spi_driver(ld9040_driver); MODULE_AUTHOR("Donghwa Lee <dh09.lee@samsung.com>"); MODULE_DESCRIPTION("ld9040 LCD Driver"); diff --git a/drivers/video/backlight/lms283gf05.c b/drivers/video/backlight/lms283gf05.c index 4ec78cf..4161f9e 100644 --- a/drivers/video/backlight/lms283gf05.c +++ b/drivers/video/backlight/lms283gf05.c @@ -226,18 +226,7 @@ static struct spi_driver lms283gf05_driver = { .remove = __devexit_p(lms283gf05_remove), }; -static __init int lms283gf05_init(void) -{ - return spi_register_driver(&lms283gf05_driver); -} - -static __exit void lms283gf05_exit(void) -{ - spi_unregister_driver(&lms283gf05_driver); -} - -module_init(lms283gf05_init); -module_exit(lms283gf05_exit); +module_spi_driver(lms283gf05_driver); MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); MODULE_DESCRIPTION("LCD283GF05 LCD"); diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c new file mode 100644 index 0000000..72a0e0c --- /dev/null +++ b/drivers/video/backlight/lp855x_bl.c @@ -0,0 +1,331 @@ +/* + * TI LP855x Backlight Driver + * + * Copyright (C) 2011 Texas Instruments + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/backlight.h> +#include <linux/err.h> +#include <linux/lp855x.h> + +/* Registers */ +#define BRIGHTNESS_CTRL (0x00) +#define DEVICE_CTRL (0x01) + +#define BUF_SIZE 20 +#define DEFAULT_BL_NAME "lcd-backlight" +#define MAX_BRIGHTNESS 255 + +struct lp855x { + const char *chipname; + enum lp855x_chip_id chip_id; + struct i2c_client *client; + struct backlight_device *bl; + struct device *dev; + struct mutex xfer_lock; + struct lp855x_platform_data *pdata; +}; + +static int lp855x_read_byte(struct lp855x *lp, u8 reg, u8 *data) +{ + int ret; + + mutex_lock(&lp->xfer_lock); + ret = i2c_smbus_read_byte_data(lp->client, reg); + if (ret < 0) { + mutex_unlock(&lp->xfer_lock); + dev_err(lp->dev, "failed to read 0x%.2x\n", reg); + return ret; + } + mutex_unlock(&lp->xfer_lock); + + *data = (u8)ret; + return 0; +} + +static int lp855x_write_byte(struct lp855x *lp, u8 reg, u8 data) +{ + int ret; + + mutex_lock(&lp->xfer_lock); + ret = i2c_smbus_write_byte_data(lp->client, reg, data); + mutex_unlock(&lp->xfer_lock); + + return ret; +} + +static bool lp855x_is_valid_rom_area(struct lp855x *lp, u8 addr) +{ + u8 start, end; + + switch (lp->chip_id) { + case LP8550: + case LP8551: + case LP8552: + case LP8553: + start = EEPROM_START; + end = EEPROM_END; + break; + case LP8556: + start = EPROM_START; + end = EPROM_END; + break; + default: + return false; + } + + return (addr >= start && addr <= end); +} + +static int lp855x_init_registers(struct lp855x *lp) +{ + u8 val, addr; + int i, ret; + struct lp855x_platform_data *pd = lp->pdata; + + val = pd->initial_brightness; + ret = lp855x_write_byte(lp, BRIGHTNESS_CTRL, val); + if (ret) + return ret; + + val = pd->device_control; + ret = lp855x_write_byte(lp, DEVICE_CTRL, val); + if (ret) + return ret; + + if (pd->load_new_rom_data && pd->size_program) { + for (i = 0; i < pd->size_program; i++) { + addr = pd->rom_data[i].addr; + val = pd->rom_data[i].val; + if (!lp855x_is_valid_rom_area(lp, addr)) + continue; + + ret = lp855x_write_byte(lp, addr, val); + if (ret) + return ret; + } + } + + return ret; +} + +static int lp855x_bl_update_status(struct backlight_device *bl) +{ + struct lp855x *lp = bl_get_data(bl); + enum lp855x_brightness_ctrl_mode mode = lp->pdata->mode; + + if (bl->props.state & BL_CORE_SUSPENDED) + bl->props.brightness = 0; + + if (mode == PWM_BASED) { + struct lp855x_pwm_data *pd = &lp->pdata->pwm_data; + int br = bl->props.brightness; + int max_br = bl->props.max_brightness; + + if (pd->pwm_set_intensity) + pd->pwm_set_intensity(br, max_br); + + } else if (mode == REGISTER_BASED) { + u8 val = bl->props.brightness; + lp855x_write_byte(lp, BRIGHTNESS_CTRL, val); + } + + return 0; +} + +static int lp855x_bl_get_brightness(struct backlight_device *bl) +{ + struct lp855x *lp = bl_get_data(bl); + enum lp855x_brightness_ctrl_mode mode = lp->pdata->mode; + + if (mode == PWM_BASED) { + struct lp855x_pwm_data *pd = &lp->pdata->pwm_data; + int max_br = bl->props.max_brightness; + + if (pd->pwm_get_intensity) + bl->props.brightness = pd->pwm_get_intensity(max_br); + + } else if (mode == REGISTER_BASED) { + u8 val = 0; + + lp855x_read_byte(lp, BRIGHTNESS_CTRL, &val); + bl->props.brightness = val; + } + + return bl->props.brightness; +} + +static const struct backlight_ops lp855x_bl_ops = { + .options = BL_CORE_SUSPENDRESUME, + .update_status = lp855x_bl_update_status, + .get_brightness = lp855x_bl_get_brightness, +}; + +static int lp855x_backlight_register(struct lp855x *lp) +{ + struct backlight_device *bl; + struct backlight_properties props; + struct lp855x_platform_data *pdata = lp->pdata; + char *name = pdata->name ? : DEFAULT_BL_NAME; + + props.type = BACKLIGHT_PLATFORM; + props.max_brightness = MAX_BRIGHTNESS; + + if (pdata->initial_brightness > props.max_brightness) + pdata->initial_brightness = props.max_brightness; + + props.brightness = pdata->initial_brightness; + + bl = backlight_device_register(name, lp->dev, lp, + &lp855x_bl_ops, &props); + if (IS_ERR(bl)) + return PTR_ERR(bl); + + lp->bl = bl; + + return 0; +} + +static void lp855x_backlight_unregister(struct lp855x *lp) +{ + if (lp->bl) + backlight_device_unregister(lp->bl); +} + +static ssize_t lp855x_get_chip_id(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct lp855x *lp = dev_get_drvdata(dev); + return scnprintf(buf, BUF_SIZE, "%s\n", lp->chipname); +} + +static ssize_t lp855x_get_bl_ctl_mode(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct lp855x *lp = dev_get_drvdata(dev); + enum lp855x_brightness_ctrl_mode mode = lp->pdata->mode; + char *strmode = NULL; + + if (mode == PWM_BASED) + strmode = "pwm based"; + else if (mode == REGISTER_BASED) + strmode = "register based"; + + return scnprintf(buf, BUF_SIZE, "%s\n", strmode); +} + +static DEVICE_ATTR(chip_id, S_IRUGO, lp855x_get_chip_id, NULL); +static DEVICE_ATTR(bl_ctl_mode, S_IRUGO, lp855x_get_bl_ctl_mode, NULL); + +static struct attribute *lp855x_attributes[] = { + &dev_attr_chip_id.attr, + &dev_attr_bl_ctl_mode.attr, + NULL, +}; + +static const struct attribute_group lp855x_attr_group = { + .attrs = lp855x_attributes, +}; + +static int lp855x_probe(struct i2c_client *cl, const struct i2c_device_id *id) +{ + struct lp855x *lp; + struct lp855x_platform_data *pdata = cl->dev.platform_data; + enum lp855x_brightness_ctrl_mode mode; + int ret; + + if (!pdata) { + dev_err(&cl->dev, "no platform data supplied\n"); + return -EINVAL; + } + + if (!i2c_check_functionality(cl->adapter, I2C_FUNC_SMBUS_I2C_BLOCK)) + return -EIO; + + lp = devm_kzalloc(&cl->dev, sizeof(struct lp855x), GFP_KERNEL); + if (!lp) + return -ENOMEM; + + mode = pdata->mode; + lp->client = cl; + lp->dev = &cl->dev; + lp->pdata = pdata; + lp->chipname = id->name; + lp->chip_id = id->driver_data; + i2c_set_clientdata(cl, lp); + + mutex_init(&lp->xfer_lock); + + ret = lp855x_init_registers(lp); + if (ret) { + dev_err(lp->dev, "i2c communication err: %d", ret); + if (mode == REGISTER_BASED) + goto err_dev; + } + + ret = lp855x_backlight_register(lp); + if (ret) { + dev_err(lp->dev, + "failed to register backlight. err: %d\n", ret); + goto err_dev; + } + + ret = sysfs_create_group(&lp->dev->kobj, &lp855x_attr_group); + if (ret) { + dev_err(lp->dev, "failed to register sysfs. err: %d\n", ret); + goto err_sysfs; + } + + backlight_update_status(lp->bl); + return 0; + +err_sysfs: + lp855x_backlight_unregister(lp); +err_dev: + return ret; +} + +static int __devexit lp855x_remove(struct i2c_client *cl) +{ + struct lp855x *lp = i2c_get_clientdata(cl); + + lp->bl->props.brightness = 0; + backlight_update_status(lp->bl); + sysfs_remove_group(&lp->dev->kobj, &lp855x_attr_group); + lp855x_backlight_unregister(lp); + + return 0; +} + +static const struct i2c_device_id lp855x_ids[] = { + {"lp8550", LP8550}, + {"lp8551", LP8551}, + {"lp8552", LP8552}, + {"lp8553", LP8553}, + {"lp8556", LP8556}, + { } +}; +MODULE_DEVICE_TABLE(i2c, lp855x_ids); + +static struct i2c_driver lp855x_driver = { + .driver = { + .name = "lp855x", + }, + .probe = lp855x_probe, + .remove = __devexit_p(lp855x_remove), + .id_table = lp855x_ids, +}; + +module_i2c_driver(lp855x_driver); + +MODULE_DESCRIPTION("Texas Instruments LP855x Backlight driver"); +MODULE_AUTHOR("Milo Kim <milo.kim@ti.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/backlight/ltv350qv.c b/drivers/video/backlight/ltv350qv.c index cca43c0..333949f 100644 --- a/drivers/video/backlight/ltv350qv.c +++ b/drivers/video/backlight/ltv350qv.c @@ -321,17 +321,7 @@ static struct spi_driver ltv350qv_driver = { .resume = ltv350qv_resume, }; -static int __init ltv350qv_init(void) -{ - return spi_register_driver(<v350qv_driver); -} - -static void __exit ltv350qv_exit(void) -{ - spi_unregister_driver(<v350qv_driver); -} -module_init(ltv350qv_init); -module_exit(ltv350qv_exit); +module_spi_driver(ltv350qv_driver); MODULE_AUTHOR("Haavard Skinnemoen (Atmel)"); MODULE_DESCRIPTION("Samsung LTV350QV LCD Driver"); diff --git a/drivers/video/backlight/max8925_bl.c b/drivers/video/backlight/max8925_bl.c index c915e3b..e833ac7 100644 --- a/drivers/video/backlight/max8925_bl.c +++ b/drivers/video/backlight/max8925_bl.c @@ -129,7 +129,8 @@ static int __devinit max8925_backlight_probe(struct platform_device *pdev) return -EINVAL; } - data = kzalloc(sizeof(struct max8925_backlight_data), GFP_KERNEL); + data = devm_kzalloc(&pdev->dev, sizeof(struct max8925_backlight_data), + GFP_KERNEL); if (data == NULL) return -ENOMEM; strncpy(name, res->name, MAX8925_NAME_SIZE); @@ -143,7 +144,6 @@ static int __devinit max8925_backlight_probe(struct platform_device *pdev) &max8925_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); - kfree(data); return PTR_ERR(bl); } bl->props.brightness = MAX_BRIGHTNESS; @@ -165,17 +165,14 @@ static int __devinit max8925_backlight_probe(struct platform_device *pdev) return 0; out: backlight_device_unregister(bl); - kfree(data); return ret; } static int __devexit max8925_backlight_remove(struct platform_device *pdev) { struct backlight_device *bl = platform_get_drvdata(pdev); - struct max8925_backlight_data *data = bl_get_data(bl); backlight_device_unregister(bl); - kfree(data); return 0; } diff --git a/drivers/video/backlight/omap1_bl.c b/drivers/video/backlight/omap1_bl.c index d8cde27..0175bfb 100644 --- a/drivers/video/backlight/omap1_bl.c +++ b/drivers/video/backlight/omap1_bl.c @@ -141,7 +141,8 @@ static int omapbl_probe(struct platform_device *pdev) if (!pdata) return -ENXIO; - bl = kzalloc(sizeof(struct omap_backlight), GFP_KERNEL); + bl = devm_kzalloc(&pdev->dev, sizeof(struct omap_backlight), + GFP_KERNEL); if (unlikely(!bl)) return -ENOMEM; @@ -150,10 +151,8 @@ static int omapbl_probe(struct platform_device *pdev) props.max_brightness = OMAPBL_MAX_INTENSITY; dev = backlight_device_register("omap-bl", &pdev->dev, bl, &omapbl_ops, &props); - if (IS_ERR(dev)) { - kfree(bl); + if (IS_ERR(dev)) return PTR_ERR(dev); - } bl->powermode = FB_BLANK_POWERDOWN; bl->current_intensity = 0; @@ -177,10 +176,8 @@ static int omapbl_probe(struct platform_device *pdev) static int omapbl_remove(struct platform_device *pdev) { struct backlight_device *dev = platform_get_drvdata(pdev); - struct omap_backlight *bl = dev_get_drvdata(&dev->dev); backlight_device_unregister(dev); - kfree(bl); return 0; } diff --git a/drivers/video/backlight/ot200_bl.c b/drivers/video/backlight/ot200_bl.c new file mode 100644 index 0000000..f519d55 --- /dev/null +++ b/drivers/video/backlight/ot200_bl.c @@ -0,0 +1,175 @@ +/* + * Copyright (C) 2012 Bachmann electronic GmbH + * Christian Gmeiner <christian.gmeiner@gmail.com> + * + * Backlight driver for ot200 visualisation device from + * Bachmann electronic GmbH. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/fb.h> +#include <linux/backlight.h> +#include <linux/gpio.h> +#include <linux/cs5535.h> + +static struct cs5535_mfgpt_timer *pwm_timer; + +/* this array defines the mapping of brightness in % to pwm frequency */ +static const u8 dim_table[101] = {0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, + 4, 5, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 9, 9, + 10, 10, 11, 11, 12, 12, 13, 14, 15, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, 26, 27, 28, + 30, 31, 33, 35, 37, 39, 41, 43, 45, 47, 50, + 53, 55, 58, 61, 65, 68, 72, 75, 79, 84, 88, + 93, 97, 103, 108, 114, 120, 126, 133, 140, + 147, 155, 163}; + +struct ot200_backlight_data { + int current_brightness; +}; + +#define GPIO_DIMM 27 +#define SCALE 1 +#define CMP1MODE 0x2 /* compare on GE; output high on compare + * greater than or equal */ +#define PWM_SETUP (SCALE | CMP1MODE << 6 | MFGPT_SETUP_CNTEN) +#define MAX_COMP2 163 + +static int ot200_backlight_update_status(struct backlight_device *bl) +{ + struct ot200_backlight_data *data = bl_get_data(bl); + int brightness = bl->props.brightness; + + if (bl->props.state & BL_CORE_FBBLANK) + brightness = 0; + + /* enable or disable PWM timer */ + if (brightness == 0) + cs5535_mfgpt_write(pwm_timer, MFGPT_REG_SETUP, 0); + else if (data->current_brightness == 0) { + cs5535_mfgpt_write(pwm_timer, MFGPT_REG_COUNTER, 0); + cs5535_mfgpt_write(pwm_timer, MFGPT_REG_SETUP, + MFGPT_SETUP_CNTEN); + } + + /* apply new brightness value */ + cs5535_mfgpt_write(pwm_timer, MFGPT_REG_CMP1, + MAX_COMP2 - dim_table[brightness]); + data->current_brightness = brightness; + + return 0; +} + +static int ot200_backlight_get_brightness(struct backlight_device *bl) +{ + struct ot200_backlight_data *data = bl_get_data(bl); + return data->current_brightness; +} + +static const struct backlight_ops ot200_backlight_ops = { + .update_status = ot200_backlight_update_status, + .get_brightness = ot200_backlight_get_brightness, +}; + +static int ot200_backlight_probe(struct platform_device *pdev) +{ + struct backlight_device *bl; + struct ot200_backlight_data *data; + struct backlight_properties props; + int retval = 0; + + /* request gpio */ + if (gpio_request(GPIO_DIMM, "ot200 backlight dimmer") < 0) { + dev_err(&pdev->dev, "failed to request GPIO %d\n", GPIO_DIMM); + return -ENODEV; + } + + /* request timer */ + pwm_timer = cs5535_mfgpt_alloc_timer(7, MFGPT_DOMAIN_ANY); + if (!pwm_timer) { + dev_err(&pdev->dev, "MFGPT 7 not available\n"); + retval = -ENODEV; + goto error_mfgpt_alloc; + } + + data = kzalloc(sizeof(*data), GFP_KERNEL); + if (!data) { + retval = -ENOMEM; + goto error_kzalloc; + } + + /* setup gpio */ + cs5535_gpio_set(GPIO_DIMM, GPIO_OUTPUT_ENABLE); + cs5535_gpio_set(GPIO_DIMM, GPIO_OUTPUT_AUX1); + + /* setup timer */ + cs5535_mfgpt_write(pwm_timer, MFGPT_REG_CMP1, 0); + cs5535_mfgpt_write(pwm_timer, MFGPT_REG_CMP2, MAX_COMP2); + cs5535_mfgpt_write(pwm_timer, MFGPT_REG_SETUP, PWM_SETUP); + + data->current_brightness = 100; + props.max_brightness = 100; + props.brightness = 100; + props.type = BACKLIGHT_RAW; + + bl = backlight_device_register(dev_name(&pdev->dev), &pdev->dev, data, + &ot200_backlight_ops, &props); + if (IS_ERR(bl)) { + dev_err(&pdev->dev, "failed to register backlight\n"); + retval = PTR_ERR(bl); + goto error_backlight_device_register; + } + + platform_set_drvdata(pdev, bl); + + return 0; + +error_backlight_device_register: + kfree(data); +error_kzalloc: + cs5535_mfgpt_free_timer(pwm_timer); +error_mfgpt_alloc: + gpio_free(GPIO_DIMM); + return retval; +} + +static int ot200_backlight_remove(struct platform_device *pdev) +{ + struct backlight_device *bl = platform_get_drvdata(pdev); + struct ot200_backlight_data *data = bl_get_data(bl); + + backlight_device_unregister(bl); + + /* on module unload set brightness to 100% */ + cs5535_mfgpt_write(pwm_timer, MFGPT_REG_COUNTER, 0); + cs5535_mfgpt_write(pwm_timer, MFGPT_REG_SETUP, MFGPT_SETUP_CNTEN); + cs5535_mfgpt_write(pwm_timer, MFGPT_REG_CMP1, + MAX_COMP2 - dim_table[100]); + + cs5535_mfgpt_free_timer(pwm_timer); + gpio_free(GPIO_DIMM); + + kfree(data); + return 0; +} + +static struct platform_driver ot200_backlight_driver = { + .driver = { + .name = "ot200-backlight", + .owner = THIS_MODULE, + }, + .probe = ot200_backlight_probe, + .remove = ot200_backlight_remove, +}; + +module_platform_driver(ot200_backlight_driver); + +MODULE_DESCRIPTION("backlight driver for ot200 visualisation device"); +MODULE_AUTHOR("Christian Gmeiner <christian.gmeiner@gmail.com>"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:ot200-backlight"); diff --git a/drivers/video/backlight/pandora_bl.c b/drivers/video/backlight/pandora_bl.c new file mode 100644 index 0000000..4ec30748 --- /dev/null +++ b/drivers/video/backlight/pandora_bl.c @@ -0,0 +1,171 @@ +/* + * Backlight driver for Pandora handheld. + * Pandora uses TWL4030 PWM0 -> TPS61161 combo for control backlight. + * Based on pwm_bl.c + * + * Copyright 2009,2012 Gražvydas Ignotas <notasas@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/fb.h> +#include <linux/backlight.h> +#include <linux/i2c/twl.h> +#include <linux/err.h> + +#define TWL_PWM0_ON 0x00 +#define TWL_PWM0_OFF 0x01 + +#define TWL_INTBR_GPBR1 0x0c +#define TWL_INTBR_PMBR1 0x0d + +#define TWL_PMBR1_PWM0_MUXMASK 0x0c +#define TWL_PMBR1_PWM0 0x04 +#define PWM0_CLK_ENABLE BIT(0) +#define PWM0_ENABLE BIT(2) + +/* range accepted by hardware */ +#define MIN_VALUE 9 +#define MAX_VALUE 63 +#define MAX_USER_VALUE (MAX_VALUE - MIN_VALUE) + +#define PANDORABL_WAS_OFF BL_CORE_DRIVER1 + +static int pandora_backlight_update_status(struct backlight_device *bl) +{ + int brightness = bl->props.brightness; + u8 r; + + if (bl->props.power != FB_BLANK_UNBLANK) + brightness = 0; + if (bl->props.state & BL_CORE_FBBLANK) + brightness = 0; + if (bl->props.state & BL_CORE_SUSPENDED) + brightness = 0; + + if ((unsigned int)brightness > MAX_USER_VALUE) + brightness = MAX_USER_VALUE; + + if (brightness == 0) { + if (bl->props.state & PANDORABL_WAS_OFF) + goto done; + + /* first disable PWM0 output, then clock */ + twl_i2c_read_u8(TWL4030_MODULE_INTBR, &r, TWL_INTBR_GPBR1); + r &= ~PWM0_ENABLE; + twl_i2c_write_u8(TWL4030_MODULE_INTBR, r, TWL_INTBR_GPBR1); + r &= ~PWM0_CLK_ENABLE; + twl_i2c_write_u8(TWL4030_MODULE_INTBR, r, TWL_INTBR_GPBR1); + + goto done; + } + + if (bl->props.state & PANDORABL_WAS_OFF) { + /* + * set PWM duty cycle to max. TPS61161 seems to use this + * to calibrate it's PWM sensitivity when it starts. + */ + twl_i2c_write_u8(TWL4030_MODULE_PWM0, MAX_VALUE, + TWL_PWM0_OFF); + + /* first enable clock, then PWM0 out */ + twl_i2c_read_u8(TWL4030_MODULE_INTBR, &r, TWL_INTBR_GPBR1); + r &= ~PWM0_ENABLE; + r |= PWM0_CLK_ENABLE; + twl_i2c_write_u8(TWL4030_MODULE_INTBR, r, TWL_INTBR_GPBR1); + r |= PWM0_ENABLE; + twl_i2c_write_u8(TWL4030_MODULE_INTBR, r, TWL_INTBR_GPBR1); + + /* + * TI made it very easy to enable digital control, so easy that + * it often triggers unintentionally and disabes PWM control, + * so wait until 1 wire mode detection window ends. + */ + usleep_range(2000, 10000); + } + + twl_i2c_write_u8(TWL4030_MODULE_PWM0, MIN_VALUE + brightness, + TWL_PWM0_OFF); + +done: + if (brightness != 0) + bl->props.state &= ~PANDORABL_WAS_OFF; + else + bl->props.state |= PANDORABL_WAS_OFF; + + return 0; +} + +static int pandora_backlight_get_brightness(struct backlight_device *bl) +{ + return bl->props.brightness; +} + +static const struct backlight_ops pandora_backlight_ops = { + .options = BL_CORE_SUSPENDRESUME, + .update_status = pandora_backlight_update_status, + .get_brightness = pandora_backlight_get_brightness, +}; + +static int pandora_backlight_probe(struct platform_device *pdev) +{ + struct backlight_properties props; + struct backlight_device *bl; + u8 r; + + memset(&props, 0, sizeof(props)); + props.max_brightness = MAX_USER_VALUE; + props.type = BACKLIGHT_RAW; + bl = backlight_device_register(pdev->name, &pdev->dev, + NULL, &pandora_backlight_ops, &props); + if (IS_ERR(bl)) { + dev_err(&pdev->dev, "failed to register backlight\n"); + return PTR_ERR(bl); + } + + platform_set_drvdata(pdev, bl); + + /* 64 cycle period, ON position 0 */ + twl_i2c_write_u8(TWL4030_MODULE_PWM0, 0x80, TWL_PWM0_ON); + + bl->props.state |= PANDORABL_WAS_OFF; + bl->props.brightness = MAX_USER_VALUE; + backlight_update_status(bl); + + /* enable PWM function in pin mux */ + twl_i2c_read_u8(TWL4030_MODULE_INTBR, &r, TWL_INTBR_PMBR1); + r &= ~TWL_PMBR1_PWM0_MUXMASK; + r |= TWL_PMBR1_PWM0; + twl_i2c_write_u8(TWL4030_MODULE_INTBR, r, TWL_INTBR_PMBR1); + + return 0; +} + +static int pandora_backlight_remove(struct platform_device *pdev) +{ + struct backlight_device *bl = platform_get_drvdata(pdev); + backlight_device_unregister(bl); + return 0; +} + +static struct platform_driver pandora_backlight_driver = { + .driver = { + .name = "pandora-backlight", + .owner = THIS_MODULE, + }, + .probe = pandora_backlight_probe, + .remove = pandora_backlight_remove, +}; + +module_platform_driver(pandora_backlight_driver); + +MODULE_AUTHOR("Gražvydas Ignotas <notasas@gmail.com>"); +MODULE_DESCRIPTION("Pandora Backlight Driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:pandora-backlight"); diff --git a/drivers/video/backlight/pcf50633-backlight.c b/drivers/video/backlight/pcf50633-backlight.c index 13e88b7..c65853c 100644 --- a/drivers/video/backlight/pcf50633-backlight.c +++ b/drivers/video/backlight/pcf50633-backlight.c @@ -101,14 +101,13 @@ static const struct backlight_ops pcf50633_bl_ops = { static int __devinit pcf50633_bl_probe(struct platform_device *pdev) { - int ret; struct pcf50633_bl *pcf_bl; struct device *parent = pdev->dev.parent; struct pcf50633_platform_data *pcf50633_data = parent->platform_data; struct pcf50633_bl_platform_data *pdata = pcf50633_data->backlight_data; struct backlight_properties bl_props; - pcf_bl = kzalloc(sizeof(*pcf_bl), GFP_KERNEL); + pcf_bl = devm_kzalloc(&pdev->dev, sizeof(*pcf_bl), GFP_KERNEL); if (!pcf_bl) return -ENOMEM; @@ -129,10 +128,8 @@ static int __devinit pcf50633_bl_probe(struct platform_device *pdev) pcf_bl->bl = backlight_device_register(pdev->name, &pdev->dev, pcf_bl, &pcf50633_bl_ops, &bl_props); - if (IS_ERR(pcf_bl->bl)) { - ret = PTR_ERR(pcf_bl->bl); - goto err_free; - } + if (IS_ERR(pcf_bl->bl)) + return PTR_ERR(pcf_bl->bl); platform_set_drvdata(pdev, pcf_bl); @@ -145,11 +142,6 @@ static int __devinit pcf50633_bl_probe(struct platform_device *pdev) backlight_update_status(pcf_bl->bl); return 0; - -err_free: - kfree(pcf_bl); - - return ret; } static int __devexit pcf50633_bl_remove(struct platform_device *pdev) @@ -160,8 +152,6 @@ static int __devexit pcf50633_bl_remove(struct platform_device *pdev) platform_set_drvdata(pdev, NULL); - kfree(pcf_bl); - return 0; } diff --git a/drivers/video/backlight/platform_lcd.c b/drivers/video/backlight/platform_lcd.c index f0bf491..b667234 100644 --- a/drivers/video/backlight/platform_lcd.c +++ b/drivers/video/backlight/platform_lcd.c @@ -121,9 +121,9 @@ static int __devexit platform_lcd_remove(struct platform_device *pdev) } #ifdef CONFIG_PM -static int platform_lcd_suspend(struct platform_device *pdev, pm_message_t st) +static int platform_lcd_suspend(struct device *dev) { - struct platform_lcd *plcd = platform_get_drvdata(pdev); + struct platform_lcd *plcd = dev_get_drvdata(dev); plcd->suspended = 1; platform_lcd_set_power(plcd->lcd, plcd->power); @@ -131,29 +131,30 @@ static int platform_lcd_suspend(struct platform_device *pdev, pm_message_t st) return 0; } -static int platform_lcd_resume(struct platform_device *pdev) +static int platform_lcd_resume(struct device *dev) { - struct platform_lcd *plcd = platform_get_drvdata(pdev); + struct platform_lcd *plcd = dev_get_drvdata(dev); plcd->suspended = 0; platform_lcd_set_power(plcd->lcd, plcd->power); return 0; } -#else -#define platform_lcd_suspend NULL -#define platform_lcd_resume NULL + +static SIMPLE_DEV_PM_OPS(platform_lcd_pm_ops, platform_lcd_suspend, + platform_lcd_resume); #endif static struct platform_driver platform_lcd_driver = { .driver = { .name = "platform-lcd", .owner = THIS_MODULE, +#ifdef CONFIG_PM + .pm = &platform_lcd_pm_ops, +#endif }, .probe = platform_lcd_probe, .remove = __devexit_p(platform_lcd_remove), - .suspend = platform_lcd_suspend, - .resume = platform_lcd_resume, }; module_platform_driver(platform_lcd_driver); diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index 7496d04..342b7d7 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -102,7 +102,7 @@ static int pwm_backlight_probe(struct platform_device *pdev) return ret; } - pb = kzalloc(sizeof(*pb), GFP_KERNEL); + pb = devm_kzalloc(&pdev->dev, sizeof(*pb), GFP_KERNEL); if (!pb) { dev_err(&pdev->dev, "no memory for state\n"); ret = -ENOMEM; @@ -121,7 +121,7 @@ static int pwm_backlight_probe(struct platform_device *pdev) if (IS_ERR(pb->pwm)) { dev_err(&pdev->dev, "unable to request PWM for backlight\n"); ret = PTR_ERR(pb->pwm); - goto err_pwm; + goto err_alloc; } else dev_dbg(&pdev->dev, "got pwm for backlight\n"); @@ -144,8 +144,6 @@ static int pwm_backlight_probe(struct platform_device *pdev) err_bl: pwm_free(pb->pwm); -err_pwm: - kfree(pb); err_alloc: if (data->exit) data->exit(&pdev->dev); @@ -162,7 +160,6 @@ static int pwm_backlight_remove(struct platform_device *pdev) pwm_config(pb->pwm, 0, pb->period); pwm_disable(pb->pwm); pwm_free(pb->pwm); - kfree(pb); if (data->exit) data->exit(&pdev->dev); return 0; diff --git a/drivers/video/backlight/s6e63m0.c b/drivers/video/backlight/s6e63m0.c index e132157..e264f55 100644 --- a/drivers/video/backlight/s6e63m0.c +++ b/drivers/video/backlight/s6e63m0.c @@ -690,7 +690,7 @@ static ssize_t s6e63m0_sysfs_store_gamma_mode(struct device *dev, struct backlight_device *bd = NULL; int brightness, rc; - rc = strict_strtoul(buf, 0, (unsigned long *)&lcd->gamma_mode); + rc = kstrtouint(buf, 0, &lcd->gamma_mode); if (rc < 0) return rc; @@ -909,18 +909,7 @@ static struct spi_driver s6e63m0_driver = { .resume = s6e63m0_resume, }; -static int __init s6e63m0_init(void) -{ - return spi_register_driver(&s6e63m0_driver); -} - -static void __exit s6e63m0_exit(void) -{ - spi_unregister_driver(&s6e63m0_driver); -} - -module_init(s6e63m0_init); -module_exit(s6e63m0_exit); +module_spi_driver(s6e63m0_driver); MODULE_AUTHOR("InKi Dae <inki.dae@samsung.com>"); MODULE_DESCRIPTION("S6E63M0 LCD Driver"); diff --git a/drivers/video/backlight/tdo24m.c b/drivers/video/backlight/tdo24m.c index 1997e12..2368b8e 100644 --- a/drivers/video/backlight/tdo24m.c +++ b/drivers/video/backlight/tdo24m.c @@ -459,17 +459,7 @@ static struct spi_driver tdo24m_driver = { .resume = tdo24m_resume, }; -static int __init tdo24m_init(void) -{ - return spi_register_driver(&tdo24m_driver); -} -module_init(tdo24m_init); - -static void __exit tdo24m_exit(void) -{ - spi_unregister_driver(&tdo24m_driver); -} -module_exit(tdo24m_exit); +module_spi_driver(tdo24m_driver); MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>"); MODULE_DESCRIPTION("Driver for Toppoly TDO24M LCD Panel"); diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c index 425a736..2b241ab 100644 --- a/drivers/video/backlight/tosa_bl.c +++ b/drivers/video/backlight/tosa_bl.c @@ -181,18 +181,7 @@ static struct i2c_driver tosa_bl_driver = { .id_table = tosa_bl_id, }; -static int __init tosa_bl_init(void) -{ - return i2c_add_driver(&tosa_bl_driver); -} - -static void __exit tosa_bl_exit(void) -{ - i2c_del_driver(&tosa_bl_driver); -} - -module_init(tosa_bl_init); -module_exit(tosa_bl_exit); +module_i2c_driver(tosa_bl_driver); MODULE_AUTHOR("Dmitry Baryshkov"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/video/backlight/tosa_lcd.c b/drivers/video/backlight/tosa_lcd.c index 772f601..2231aec 100644 --- a/drivers/video/backlight/tosa_lcd.c +++ b/drivers/video/backlight/tosa_lcd.c @@ -271,7 +271,7 @@ static int tosa_lcd_resume(struct spi_device *spi) } #else #define tosa_lcd_suspend NULL -#define tosa_lcd_reume NULL +#define tosa_lcd_resume NULL #endif static struct spi_driver tosa_lcd_driver = { @@ -285,18 +285,7 @@ static struct spi_driver tosa_lcd_driver = { .resume = tosa_lcd_resume, }; -static int __init tosa_lcd_init(void) -{ - return spi_register_driver(&tosa_lcd_driver); -} - -static void __exit tosa_lcd_exit(void) -{ - spi_unregister_driver(&tosa_lcd_driver); -} - -module_init(tosa_lcd_init); -module_exit(tosa_lcd_exit); +module_spi_driver(tosa_lcd_driver); MODULE_AUTHOR("Dmitry Baryshkov"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/video/backlight/vgg2432a4.c b/drivers/video/backlight/vgg2432a4.c index b49063c..b617fae 100644 --- a/drivers/video/backlight/vgg2432a4.c +++ b/drivers/video/backlight/vgg2432a4.c @@ -262,20 +262,7 @@ static struct spi_driver vgg2432a4_driver = { .resume = vgg2432a4_resume, }; -/* Device driver initialisation */ - -static int __init vgg2432a4_init(void) -{ - return spi_register_driver(&vgg2432a4_driver); -} - -static void __exit vgg2432a4_exit(void) -{ - spi_unregister_driver(&vgg2432a4_driver); -} - -module_init(vgg2432a4_init); -module_exit(vgg2432a4_exit); +module_spi_driver(vgg2432a4_driver); MODULE_AUTHOR("Ben Dooks <ben-linux@fluff.org>"); MODULE_DESCRIPTION("VGG2432A4 LCD Driver"); diff --git a/drivers/video/backlight/wm831x_bl.c b/drivers/video/backlight/wm831x_bl.c index 4e915f5..5d365de 100644 --- a/drivers/video/backlight/wm831x_bl.c +++ b/drivers/video/backlight/wm831x_bl.c @@ -186,7 +186,7 @@ static int wm831x_backlight_probe(struct platform_device *pdev) if (ret < 0) return ret; - data = kzalloc(sizeof(*data), GFP_KERNEL); + data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); if (data == NULL) return -ENOMEM; @@ -200,7 +200,6 @@ static int wm831x_backlight_probe(struct platform_device *pdev) &wm831x_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); - kfree(data); return PTR_ERR(bl); } @@ -211,7 +210,6 @@ static int wm831x_backlight_probe(struct platform_device *pdev) /* Disable the DCDC if it was started so we can bootstrap */ wm831x_set_bits(wm831x, WM831X_DCDC_ENABLE, WM831X_DC4_ENA, 0); - backlight_update_status(bl); return 0; @@ -220,10 +218,8 @@ static int wm831x_backlight_probe(struct platform_device *pdev) static int wm831x_backlight_remove(struct platform_device *pdev) { struct backlight_device *bl = platform_get_drvdata(pdev); - struct wm831x_backlight_data *data = bl_get_data(bl); backlight_device_unregister(bl); - kfree(data); return 0; } diff --git a/drivers/video/bf537-lq035.c b/drivers/video/bf537-lq035.c index bea53c1..befbc80 100644 --- a/drivers/video/bf537-lq035.c +++ b/drivers/video/bf537-lq035.c @@ -383,23 +383,19 @@ static int __devinit request_ports(void) } #if (defined(UD) && defined(LBR)) - if (gpio_request(UD, KBUILD_MODNAME)) { + if (gpio_request_one(UD, GPIOF_OUT_INIT_LOW, KBUILD_MODNAME)) { pr_err("requesting GPIO %d failed\n", UD); return -EBUSY; } - if (gpio_request(LBR, KBUILD_MODNAME)) { + if (gpio_request_one(LBR, GPIOF_OUT_INIT_HIGH, KBUILD_MODNAME)) { pr_err("requesting GPIO %d failed\n", LBR); gpio_free(UD); return -EBUSY; } - - gpio_direction_output(UD, 0); - gpio_direction_output(LBR, 1); - #endif - if (gpio_request(MOD, KBUILD_MODNAME)) { + if (gpio_request_one(MOD, GPIOF_OUT_INIT_HIGH, KBUILD_MODNAME)) { pr_err("requesting GPIO %d failed\n", MOD); #if (defined(UD) && defined(LBR)) gpio_free(LBR); @@ -408,8 +404,6 @@ static int __devinit request_ports(void) return -EBUSY; } - gpio_direction_output(MOD, 1); - SSYNC(); return 0; } diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c index 46b03f5..dc2f004 100644 --- a/drivers/video/bf54x-lq043fb.c +++ b/drivers/video/bf54x-lq043fb.c @@ -240,7 +240,7 @@ static int request_ports(struct bfin_bf54xfb_info *fbi) u16 eppi_req_18[] = EPPI0_18; u16 disp = fbi->mach_info->disp; - if (gpio_request(disp, DRIVER_NAME)) { + if (gpio_request_one(disp, GPIOF_OUT_INIT_HIGH, DRIVER_NAME)) { printk(KERN_ERR "Requesting GPIO %d failed\n", disp); return -EFAULT; } @@ -263,8 +263,6 @@ static int request_ports(struct bfin_bf54xfb_info *fbi) } } - gpio_direction_output(disp, 1); - return 0; } diff --git a/drivers/video/bfin-lq035q1-fb.c b/drivers/video/bfin-lq035q1-fb.c index c633068..86922ac 100644 --- a/drivers/video/bfin-lq035q1-fb.c +++ b/drivers/video/bfin-lq035q1-fb.c @@ -365,10 +365,10 @@ static int __devinit bfin_lq035q1_request_ports(struct platform_device *pdev, * Drive PPI_FS3 Low */ if (ANOMALY_05000400) { - int ret = gpio_request(P_IDENT(P_PPI0_FS3), "PPI_FS3"); + int ret = gpio_request_one(P_IDENT(P_PPI0_FS3), + GPIOF_OUT_INIT_LOW, "PPI_FS3"); if (ret) return ret; - gpio_direction_output(P_IDENT(P_PPI0_FS3), 0); } if (ppi16) @@ -716,14 +716,14 @@ static int __devinit bfin_lq035q1_probe(struct platform_device *pdev) } if (info->disp_info->use_bl) { - ret = gpio_request(info->disp_info->gpio_bl, "LQ035 Backlight"); + ret = gpio_request_one(info->disp_info->gpio_bl, + GPIOF_OUT_INIT_LOW, "LQ035 Backlight"); if (ret) { dev_err(&pdev->dev, "failed to request GPIO %d\n", info->disp_info->gpio_bl); goto out9; } - gpio_direction_output(info->disp_info->gpio_bl, 0); } ret = register_framebuffer(fbinfo); diff --git a/drivers/video/bfin_adv7393fb.c b/drivers/video/bfin_adv7393fb.c index 811dd7f..1a268a2 100644 --- a/drivers/video/bfin_adv7393fb.c +++ b/drivers/video/bfin_adv7393fb.c @@ -36,9 +36,7 @@ #include <linux/dma-mapping.h> #include <linux/proc_fs.h> #include <linux/platform_device.h> - #include <linux/i2c.h> -#include <linux/i2c-dev.h> #include "bfin_adv7393fb.h" @@ -411,12 +409,13 @@ static int __devinit bfin_adv7393_fb_probe(struct i2c_client *client, /* Workaround "PPI Does Not Start Properly In Specific Mode" */ if (ANOMALY_05000400) { - if (gpio_request(P_IDENT(P_PPI0_FS3), "PPI0_FS3")) { + ret = gpio_request_one(P_IDENT(P_PPI0_FS3), GPIOF_OUT_INIT_LOW, + "PPI0_FS3") + if (ret) { dev_err(&client->dev, "PPI0_FS3 GPIO request failed\n"); ret = -EBUSY; goto out_8; } - gpio_direction_output(P_IDENT(P_PPI0_FS3), 0); } if (peripheral_request_list(ppi_pins, DRIVER_NAME)) { diff --git a/drivers/video/bt431.h b/drivers/video/bt431.h index c826f27..04e0cfb 100644 --- a/drivers/video/bt431.h +++ b/drivers/video/bt431.h @@ -8,7 +8,6 @@ * archive for more details. */ #include <linux/types.h> -#include <asm/system.h> /* * Bt431 cursor generator registers, 32-bit aligned. diff --git a/drivers/video/bt455.h b/drivers/video/bt455.h index b7591fe..80f61b0 100644 --- a/drivers/video/bt455.h +++ b/drivers/video/bt455.h @@ -8,7 +8,6 @@ * archive for more details. */ #include <linux/types.h> -#include <asm/system.h> /* * Bt455 byte-wide registers, 32-bit aligned. diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 8745637..2e471c2 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -77,7 +77,6 @@ #include <linux/crc32.h> /* For counting font checksums */ #include <asm/fb.h> #include <asm/irq.h> -#include <asm/system.h> #include "fbcon.h" diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c index a122d92..6d15966 100644 --- a/drivers/video/console/newport_con.c +++ b/drivers/video/console/newport_con.c @@ -22,7 +22,6 @@ #include <asm/io.h> #include <asm/uaccess.h> -#include <asm/system.h> #include <asm/page.h> #include <asm/pgtable.h> #include <asm/gio_device.h> diff --git a/drivers/video/cyber2000fb.c b/drivers/video/cyber2000fb.c index 8503807..c1527f5 100644 --- a/drivers/video/cyber2000fb.c +++ b/drivers/video/cyber2000fb.c @@ -51,7 +51,6 @@ #include <linux/i2c-algo-bit.h> #include <asm/pgtable.h> -#include <asm/system.h> #ifdef __arm__ #include <asm/mach-types.h> diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c index 29577bf..47118c7 100644 --- a/drivers/video/da8xx-fb.c +++ b/drivers/video/da8xx-fb.c @@ -32,6 +32,7 @@ #include <linux/console.h> #include <linux/slab.h> #include <video/da8xx-fb.h> +#include <asm/div64.h> #define DRIVER_NAME "da8xx_lcdc" @@ -161,6 +162,7 @@ struct da8xx_fb_par { int vsync_timeout; #ifdef CONFIG_CPU_FREQ struct notifier_block freq_transition; + unsigned int lcd_fck_rate; #endif void (*panel_power_ctrl)(int); }; @@ -174,7 +176,6 @@ static struct fb_var_screeninfo da8xx_fb_var __devinitdata = { .activate = 0, .height = -1, .width = -1, - .pixclock = 46666, /* 46us - AUO display */ .accel_flags = 0, .left_margin = LEFT_MARGIN, .right_margin = RIGHT_MARGIN, @@ -238,6 +239,20 @@ static struct da8xx_panel known_lcd_panels[] = { .pxl_clk = 7833600, .invert_pxl_clk = 0, }, + [2] = { + /* Hitachi SP10Q010 */ + .name = "SP10Q010", + .width = 320, + .height = 240, + .hfp = 10, + .hbp = 10, + .hsw = 10, + .vfp = 10, + .vbp = 10, + .vsw = 10, + .pxl_clk = 7833600, + .invert_pxl_clk = 0, + }, }; /* Enable the Raster Engine of the LCD Controller */ @@ -546,7 +561,26 @@ static int fb_setcolreg(unsigned regno, unsigned red, unsigned green, if (info->fix.visual == FB_VISUAL_DIRECTCOLOR) return 1; - if (info->var.bits_per_pixel == 8) { + if (info->var.bits_per_pixel == 4) { + if (regno > 15) + return 1; + + if (info->var.grayscale) { + pal = regno; + } else { + red >>= 4; + green >>= 8; + blue >>= 12; + + pal = (red & 0x0f00); + pal |= (green & 0x00f0); + pal |= (blue & 0x000f); + } + if (regno == 0) + pal |= 0x2000; + palette[regno] = pal; + + } else if (info->var.bits_per_pixel == 8) { red >>= 4; green >>= 8; blue >>= 12; @@ -801,6 +835,7 @@ static int fb_check_var(struct fb_var_screeninfo *var, var->blue.length = 8; var->transp.offset = 0; var->transp.length = 0; + var->nonstd = 0; break; case 4: var->red.offset = 0; @@ -811,6 +846,7 @@ static int fb_check_var(struct fb_var_screeninfo *var, var->blue.length = 4; var->transp.offset = 0; var->transp.length = 0; + var->nonstd = FB_NONSTD_REV_PIX_IN_B; break; case 16: /* RGB 565 */ var->red.offset = 11; @@ -821,6 +857,7 @@ static int fb_check_var(struct fb_var_screeninfo *var, var->blue.length = 5; var->transp.offset = 0; var->transp.length = 0; + var->nonstd = 0; break; default: err = -EINVAL; @@ -840,11 +877,13 @@ static int lcd_da8xx_cpufreq_transition(struct notifier_block *nb, struct da8xx_fb_par *par; par = container_of(nb, struct da8xx_fb_par, freq_transition); - if (val == CPUFREQ_PRECHANGE) { - lcd_disable_raster(); - } else if (val == CPUFREQ_POSTCHANGE) { - lcd_calc_clk_divider(par); - lcd_enable_raster(); + if (val == CPUFREQ_POSTCHANGE) { + if (par->lcd_fck_rate != clk_get_rate(par->lcdc_clk)) { + par->lcd_fck_rate = clk_get_rate(par->lcdc_clk); + lcd_disable_raster(); + lcd_calc_clk_divider(par); + lcd_enable_raster(); + } } return 0; @@ -1048,6 +1087,22 @@ static struct fb_ops da8xx_fb_ops = { .fb_blank = cfb_blank, }; +/* Calculate and return pixel clock period in pico seconds */ +static unsigned int da8xxfb_pixel_clk_period(struct da8xx_fb_par *par) +{ + unsigned int lcd_clk, div; + unsigned int configured_pix_clk; + unsigned long long pix_clk_period_picosec = 1000000000000ULL; + + lcd_clk = clk_get_rate(par->lcdc_clk); + div = lcd_clk / par->pxl_clk; + configured_pix_clk = (lcd_clk / div); + + do_div(pix_clk_period_picosec, configured_pix_clk); + + return pix_clk_period_picosec; +} + static int __devinit fb_probe(struct platform_device *device) { struct da8xx_lcdc_platform_data *fb_pdata = @@ -1137,6 +1192,9 @@ static int __devinit fb_probe(struct platform_device *device) par = da8xx_fb_info->par; par->lcdc_clk = fb_clk; +#ifdef CONFIG_CPU_FREQ + par->lcd_fck_rate = clk_get_rate(fb_clk); +#endif par->pxl_clk = lcdc_info->pxl_clk; if (fb_pdata->panel_power_ctrl) { par->panel_power_ctrl = fb_pdata->panel_power_ctrl; @@ -1209,6 +1267,11 @@ static int __devinit fb_probe(struct platform_device *device) da8xx_fb_var.hsync_len = lcdc_info->hsw; da8xx_fb_var.vsync_len = lcdc_info->vsw; + da8xx_fb_var.right_margin = lcdc_info->hfp; + da8xx_fb_var.left_margin = lcdc_info->hbp; + da8xx_fb_var.lower_margin = lcdc_info->vfp; + da8xx_fb_var.upper_margin = lcdc_info->vbp; + da8xx_fb_var.pixclock = da8xxfb_pixel_clk_period(par); /* Initialize fbinfo */ da8xx_fb_info->flags = FBINFO_FLAG_DEFAULT; @@ -1264,8 +1327,8 @@ static int __devinit fb_probe(struct platform_device *device) irq_freq: #ifdef CONFIG_CPU_FREQ lcd_da8xx_cpufreq_deregister(par); -#endif err_cpu_freq: +#endif unregister_framebuffer(da8xx_fb_info); err_dealloc_cmap: diff --git a/drivers/video/dnfb.c b/drivers/video/dnfb.c index ec56d25..49e3dda 100644 --- a/drivers/video/dnfb.c +++ b/drivers/video/dnfb.c @@ -7,7 +7,6 @@ #include <linux/platform_device.h> #include <asm/setup.h> -#include <asm/system.h> #include <asm/irq.h> #include <asm/amigahw.h> #include <asm/amigaints.h> diff --git a/drivers/video/ep93xx-fb.c b/drivers/video/ep93xx-fb.c index 2e830ec5..f8babbe 100644 --- a/drivers/video/ep93xx-fb.c +++ b/drivers/video/ep93xx-fb.c @@ -519,12 +519,15 @@ static int __devinit ep93xxfb_probe(struct platform_device *pdev) goto failed; } - res = request_mem_region(res->start, resource_size(res), pdev->name); - if (!res) { - err = -EBUSY; - goto failed; - } - + /* + * FIXME - We don't do a request_mem_region here because we are + * sharing the register space with the backlight driver (see + * drivers/video/backlight/ep93xx_bl.c) and doing so will cause + * the second loaded driver to return -EBUSY. + * + * NOTE: No locking is required; the backlight does not touch + * any of the framebuffer registers. + */ fbi->res = res; fbi->mmio_base = ioremap(res->start, resource_size(res)); if (!fbi->mmio_base) { @@ -586,8 +589,6 @@ failed: clk_put(fbi->clk); if (fbi->mmio_base) iounmap(fbi->mmio_base); - if (fbi->res) - release_mem_region(fbi->res->start, resource_size(fbi->res)); ep93xxfb_dealloc_videomem(info); if (&info->cmap) fb_dealloc_cmap(&info->cmap); @@ -608,7 +609,6 @@ static int __devexit ep93xxfb_remove(struct platform_device *pdev) clk_disable(fbi->clk); clk_put(fbi->clk); iounmap(fbi->mmio_base); - release_mem_region(fbi->res->start, resource_size(fbi->res)); ep93xxfb_dealloc_videomem(info); fb_dealloc_cmap(&info->cmap); diff --git a/drivers/video/exynos/Kconfig b/drivers/video/exynos/Kconfig new file mode 100644 index 0000000..1b035b2e --- /dev/null +++ b/drivers/video/exynos/Kconfig @@ -0,0 +1,37 @@ +# +# Exynos Video configuration +# + +menuconfig EXYNOS_VIDEO + bool "Exynos Video driver support" + help + This enables support for EXYNOS Video device. + +if EXYNOS_VIDEO + +# +# MIPI DSI driver +# + +config EXYNOS_MIPI_DSI + bool "EXYNOS MIPI DSI driver support." + depends on ARCH_S5PV210 || ARCH_EXYNOS + help + This enables support for MIPI-DSI device. + +config EXYNOS_LCD_S6E8AX0 + bool "S6E8AX0 MIPI AMOLED LCD Driver" + depends on (EXYNOS_MIPI_DSI && BACKLIGHT_CLASS_DEVICE && LCD_CLASS_DEVICE) + default n + help + If you have an S6E8AX0 MIPI AMOLED LCD Panel, say Y to enable its + LCD control driver. + +config EXYNOS_DP + bool "EXYNOS DP driver support" + depends on ARCH_EXYNOS + default n + help + This enables support for DP device. + +endif # EXYNOS_VIDEO diff --git a/drivers/video/exynos/Makefile b/drivers/video/exynos/Makefile new file mode 100644 index 0000000..ec7772e --- /dev/null +++ b/drivers/video/exynos/Makefile @@ -0,0 +1,8 @@ +# +# Makefile for the exynos video drivers. +# + +obj-$(CONFIG_EXYNOS_MIPI_DSI) += exynos_mipi_dsi.o exynos_mipi_dsi_common.o \ + exynos_mipi_dsi_lowlevel.o +obj-$(CONFIG_EXYNOS_LCD_S6E8AX0) += s6e8ax0.o +obj-$(CONFIG_EXYNOS_DP) += exynos_dp_core.o exynos_dp_reg.o diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c new file mode 100644 index 0000000..2a4481c --- /dev/null +++ b/drivers/video/exynos/exynos_dp_core.c @@ -0,0 +1,1058 @@ +/* + * Samsung SoC DP (Display Port) interface driver. + * + * Copyright (C) 2012 Samsung Electronics Co., Ltd. + * Author: Jingoo Han <jg1.han@samsung.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/interrupt.h> +#include <linux/delay.h> + +#include <video/exynos_dp.h> + +#include <plat/cpu.h> + +#include "exynos_dp_core.h" + +static int exynos_dp_init_dp(struct exynos_dp_device *dp) +{ + exynos_dp_reset(dp); + + /* SW defined function Normal operation */ + exynos_dp_enable_sw_function(dp); + + exynos_dp_config_interrupt(dp); + exynos_dp_init_analog_func(dp); + + exynos_dp_init_hpd(dp); + exynos_dp_init_aux(dp); + + return 0; +} + +static int exynos_dp_detect_hpd(struct exynos_dp_device *dp) +{ + int timeout_loop = 0; + + exynos_dp_init_hpd(dp); + + udelay(200); + + while (exynos_dp_get_plug_in_status(dp) != 0) { + timeout_loop++; + if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) { + dev_err(dp->dev, "failed to get hpd plug status\n"); + return -ETIMEDOUT; + } + udelay(10); + } + + return 0; +} + +static unsigned char exynos_dp_calc_edid_check_sum(unsigned char *edid_data) +{ + int i; + unsigned char sum = 0; + + for (i = 0; i < EDID_BLOCK_LENGTH; i++) + sum = sum + edid_data[i]; + + return sum; +} + +static int exynos_dp_read_edid(struct exynos_dp_device *dp) +{ + unsigned char edid[EDID_BLOCK_LENGTH * 2]; + unsigned int extend_block = 0; + unsigned char sum; + unsigned char test_vector; + int retval; + + /* + * EDID device address is 0x50. + * However, if necessary, you must have set upper address + * into E-EDID in I2C device, 0x30. + */ + + /* Read Extension Flag, Number of 128-byte EDID extension blocks */ + exynos_dp_read_byte_from_i2c(dp, I2C_EDID_DEVICE_ADDR, + EDID_EXTENSION_FLAG, + &extend_block); + + if (extend_block > 0) { + dev_dbg(dp->dev, "EDID data includes a single extension!\n"); + + /* Read EDID data */ + retval = exynos_dp_read_bytes_from_i2c(dp, I2C_EDID_DEVICE_ADDR, + EDID_HEADER_PATTERN, + EDID_BLOCK_LENGTH, + &edid[EDID_HEADER_PATTERN]); + if (retval != 0) { + dev_err(dp->dev, "EDID Read failed!\n"); + return -EIO; + } + sum = exynos_dp_calc_edid_check_sum(edid); + if (sum != 0) { + dev_err(dp->dev, "EDID bad checksum!\n"); + return -EIO; + } + + /* Read additional EDID data */ + retval = exynos_dp_read_bytes_from_i2c(dp, + I2C_EDID_DEVICE_ADDR, + EDID_BLOCK_LENGTH, + EDID_BLOCK_LENGTH, + &edid[EDID_BLOCK_LENGTH]); + if (retval != 0) { + dev_err(dp->dev, "EDID Read failed!\n"); + return -EIO; + } + sum = exynos_dp_calc_edid_check_sum(&edid[EDID_BLOCK_LENGTH]); + if (sum != 0) { + dev_err(dp->dev, "EDID bad checksum!\n"); + return -EIO; + } + + exynos_dp_read_byte_from_dpcd(dp, DPCD_ADDR_TEST_REQUEST, + &test_vector); + if (test_vector & DPCD_TEST_EDID_READ) { + exynos_dp_write_byte_to_dpcd(dp, + DPCD_ADDR_TEST_EDID_CHECKSUM, + edid[EDID_BLOCK_LENGTH + EDID_CHECKSUM]); + exynos_dp_write_byte_to_dpcd(dp, + DPCD_ADDR_TEST_RESPONSE, + DPCD_TEST_EDID_CHECKSUM_WRITE); + } + } else { + dev_info(dp->dev, "EDID data does not include any extensions.\n"); + + /* Read EDID data */ + retval = exynos_dp_read_bytes_from_i2c(dp, + I2C_EDID_DEVICE_ADDR, + EDID_HEADER_PATTERN, + EDID_BLOCK_LENGTH, + &edid[EDID_HEADER_PATTERN]); + if (retval != 0) { + dev_err(dp->dev, "EDID Read failed!\n"); + return -EIO; + } + sum = exynos_dp_calc_edid_check_sum(edid); + if (sum != 0) { + dev_err(dp->dev, "EDID bad checksum!\n"); + return -EIO; + } + + exynos_dp_read_byte_from_dpcd(dp, + DPCD_ADDR_TEST_REQUEST, + &test_vector); + if (test_vector & DPCD_TEST_EDID_READ) { + exynos_dp_write_byte_to_dpcd(dp, + DPCD_ADDR_TEST_EDID_CHECKSUM, + edid[EDID_CHECKSUM]); + exynos_dp_write_byte_to_dpcd(dp, + DPCD_ADDR_TEST_RESPONSE, + DPCD_TEST_EDID_CHECKSUM_WRITE); + } + } + + dev_err(dp->dev, "EDID Read success!\n"); + return 0; +} + +static int exynos_dp_handle_edid(struct exynos_dp_device *dp) +{ + u8 buf[12]; + int i; + int retval; + + /* Read DPCD DPCD_ADDR_DPCD_REV~RECEIVE_PORT1_CAP_1 */ + exynos_dp_read_bytes_from_dpcd(dp, + DPCD_ADDR_DPCD_REV, + 12, buf); + + /* Read EDID */ + for (i = 0; i < 3; i++) { + retval = exynos_dp_read_edid(dp); + if (retval == 0) + break; + } + + return retval; +} + +static void exynos_dp_enable_rx_to_enhanced_mode(struct exynos_dp_device *dp, + bool enable) +{ + u8 data; + + exynos_dp_read_byte_from_dpcd(dp, DPCD_ADDR_LANE_COUNT_SET, &data); + + if (enable) + exynos_dp_write_byte_to_dpcd(dp, DPCD_ADDR_LANE_COUNT_SET, + DPCD_ENHANCED_FRAME_EN | + DPCD_LANE_COUNT_SET(data)); + else + exynos_dp_write_byte_to_dpcd(dp, DPCD_ADDR_LANE_COUNT_SET, + DPCD_LANE_COUNT_SET(data)); +} + +static int exynos_dp_is_enhanced_mode_available(struct exynos_dp_device *dp) +{ + u8 data; + int retval; + + exynos_dp_read_byte_from_dpcd(dp, DPCD_ADDR_MAX_LANE_COUNT, &data); + retval = DPCD_ENHANCED_FRAME_CAP(data); + + return retval; +} + +static void exynos_dp_set_enhanced_mode(struct exynos_dp_device *dp) +{ + u8 data; + + data = exynos_dp_is_enhanced_mode_available(dp); + exynos_dp_enable_rx_to_enhanced_mode(dp, data); + exynos_dp_enable_enhanced_mode(dp, data); +} + +static void exynos_dp_training_pattern_dis(struct exynos_dp_device *dp) +{ + exynos_dp_set_training_pattern(dp, DP_NONE); + + exynos_dp_write_byte_to_dpcd(dp, + DPCD_ADDR_TRAINING_PATTERN_SET, + DPCD_TRAINING_PATTERN_DISABLED); +} + +static void exynos_dp_set_lane_lane_pre_emphasis(struct exynos_dp_device *dp, + int pre_emphasis, int lane) +{ + switch (lane) { + case 0: + exynos_dp_set_lane0_pre_emphasis(dp, pre_emphasis); + break; + case 1: + exynos_dp_set_lane1_pre_emphasis(dp, pre_emphasis); + break; + + case 2: + exynos_dp_set_lane2_pre_emphasis(dp, pre_emphasis); + break; + + case 3: + exynos_dp_set_lane3_pre_emphasis(dp, pre_emphasis); + break; + } +} + +static void exynos_dp_link_start(struct exynos_dp_device *dp) +{ + u8 buf[5]; + int lane; + int lane_count; + + lane_count = dp->link_train.lane_count; + + dp->link_train.lt_state = CLOCK_RECOVERY; + dp->link_train.eq_loop = 0; + + for (lane = 0; lane < lane_count; lane++) + dp->link_train.cr_loop[lane] = 0; + + /* Set sink to D0 (Sink Not Ready) mode. */ + exynos_dp_write_byte_to_dpcd(dp, DPCD_ADDR_SINK_POWER_STATE, + DPCD_SET_POWER_STATE_D0); + + /* Set link rate and count as you want to establish*/ + exynos_dp_set_link_bandwidth(dp, dp->link_train.link_rate); + exynos_dp_set_lane_count(dp, dp->link_train.lane_count); + + /* Setup RX configuration */ + buf[0] = dp->link_train.link_rate; + buf[1] = dp->link_train.lane_count; + exynos_dp_write_bytes_to_dpcd(dp, DPCD_ADDR_LINK_BW_SET, + 2, buf); + + /* Set TX pre-emphasis to minimum */ + for (lane = 0; lane < lane_count; lane++) + exynos_dp_set_lane_lane_pre_emphasis(dp, + PRE_EMPHASIS_LEVEL_0, lane); + + /* Set training pattern 1 */ + exynos_dp_set_training_pattern(dp, TRAINING_PTN1); + + /* Set RX training pattern */ + buf[0] = DPCD_SCRAMBLING_DISABLED | + DPCD_TRAINING_PATTERN_1; + exynos_dp_write_byte_to_dpcd(dp, + DPCD_ADDR_TRAINING_PATTERN_SET, buf[0]); + + for (lane = 0; lane < lane_count; lane++) + buf[lane] = DPCD_PRE_EMPHASIS_PATTERN2_LEVEL0 | + DPCD_VOLTAGE_SWING_PATTERN1_LEVEL0; + exynos_dp_write_bytes_to_dpcd(dp, + DPCD_ADDR_TRAINING_PATTERN_SET, + lane_count, buf); +} + +static unsigned char exynos_dp_get_lane_status(u8 link_status[6], int lane) +{ + int shift = (lane & 1) * 4; + u8 link_value = link_status[lane>>1]; + + return (link_value >> shift) & 0xf; +} + +static int exynos_dp_clock_recovery_ok(u8 link_status[6], int lane_count) +{ + int lane; + u8 lane_status; + + for (lane = 0; lane < lane_count; lane++) { + lane_status = exynos_dp_get_lane_status(link_status, lane); + if ((lane_status & DPCD_LANE_CR_DONE) == 0) + return -EINVAL; + } + return 0; +} + +static int exynos_dp_channel_eq_ok(u8 link_status[6], int lane_count) +{ + int lane; + u8 lane_align; + u8 lane_status; + + lane_align = link_status[2]; + if ((lane_align == DPCD_INTERLANE_ALIGN_DONE) == 0) + return -EINVAL; + + for (lane = 0; lane < lane_count; lane++) { + lane_status = exynos_dp_get_lane_status(link_status, lane); + lane_status &= DPCD_CHANNEL_EQ_BITS; + if (lane_status != DPCD_CHANNEL_EQ_BITS) + return -EINVAL; + } + return 0; +} + +static unsigned char exynos_dp_get_adjust_request_voltage(u8 adjust_request[2], + int lane) +{ + int shift = (lane & 1) * 4; + u8 link_value = adjust_request[lane>>1]; + + return (link_value >> shift) & 0x3; +} + +static unsigned char exynos_dp_get_adjust_request_pre_emphasis( + u8 adjust_request[2], + int lane) +{ + int shift = (lane & 1) * 4; + u8 link_value = adjust_request[lane>>1]; + + return ((link_value >> shift) & 0xc) >> 2; +} + +static void exynos_dp_set_lane_link_training(struct exynos_dp_device *dp, + u8 training_lane_set, int lane) +{ + switch (lane) { + case 0: + exynos_dp_set_lane0_link_training(dp, training_lane_set); + break; + case 1: + exynos_dp_set_lane1_link_training(dp, training_lane_set); + break; + + case 2: + exynos_dp_set_lane2_link_training(dp, training_lane_set); + break; + + case 3: + exynos_dp_set_lane3_link_training(dp, training_lane_set); + break; + } +} + +static unsigned int exynos_dp_get_lane_link_training( + struct exynos_dp_device *dp, + int lane) +{ + u32 reg; + + switch (lane) { + case 0: + reg = exynos_dp_get_lane0_link_training(dp); + break; + case 1: + reg = exynos_dp_get_lane1_link_training(dp); + break; + case 2: + reg = exynos_dp_get_lane2_link_training(dp); + break; + case 3: + reg = exynos_dp_get_lane3_link_training(dp); + break; + } + + return reg; +} + +static void exynos_dp_reduce_link_rate(struct exynos_dp_device *dp) +{ + if (dp->link_train.link_rate == LINK_RATE_2_70GBPS) { + /* set to reduced bit rate */ + dp->link_train.link_rate = LINK_RATE_1_62GBPS; + dev_err(dp->dev, "set to bandwidth %.2x\n", + dp->link_train.link_rate); + dp->link_train.lt_state = START; + } else { + exynos_dp_training_pattern_dis(dp); + /* set enhanced mode if available */ + exynos_dp_set_enhanced_mode(dp); + dp->link_train.lt_state = FAILED; + } +} + +static void exynos_dp_get_adjust_train(struct exynos_dp_device *dp, + u8 adjust_request[2]) +{ + int lane; + int lane_count; + u8 voltage_swing; + u8 pre_emphasis; + u8 training_lane; + + lane_count = dp->link_train.lane_count; + for (lane = 0; lane < lane_count; lane++) { + voltage_swing = exynos_dp_get_adjust_request_voltage( + adjust_request, lane); + pre_emphasis = exynos_dp_get_adjust_request_pre_emphasis( + adjust_request, lane); + training_lane = DPCD_VOLTAGE_SWING_SET(voltage_swing) | + DPCD_PRE_EMPHASIS_SET(pre_emphasis); + + if (voltage_swing == VOLTAGE_LEVEL_3 || + pre_emphasis == PRE_EMPHASIS_LEVEL_3) { + training_lane |= DPCD_MAX_SWING_REACHED; + training_lane |= DPCD_MAX_PRE_EMPHASIS_REACHED; + } + dp->link_train.training_lane[lane] = training_lane; + } +} + +static int exynos_dp_check_max_cr_loop(struct exynos_dp_device *dp, + u8 voltage_swing) +{ + int lane; + int lane_count; + + lane_count = dp->link_train.lane_count; + for (lane = 0; lane < lane_count; lane++) { + if (voltage_swing == VOLTAGE_LEVEL_3 || + dp->link_train.cr_loop[lane] == MAX_CR_LOOP) + return -EINVAL; + } + return 0; +} + +static int exynos_dp_process_clock_recovery(struct exynos_dp_device *dp) +{ + u8 data; + u8 link_status[6]; + int lane; + int lane_count; + u8 buf[5]; + + u8 *adjust_request; + u8 voltage_swing; + u8 pre_emphasis; + u8 training_lane; + + udelay(100); + + exynos_dp_read_bytes_from_dpcd(dp, DPCD_ADDR_LANE0_1_STATUS, + 6, link_status); + lane_count = dp->link_train.lane_count; + + if (exynos_dp_clock_recovery_ok(link_status, lane_count) == 0) { + /* set training pattern 2 for EQ */ + exynos_dp_set_training_pattern(dp, TRAINING_PTN2); + + adjust_request = link_status + (DPCD_ADDR_ADJUST_REQUEST_LANE0_1 + - DPCD_ADDR_LANE0_1_STATUS); + + exynos_dp_get_adjust_train(dp, adjust_request); + + buf[0] = DPCD_SCRAMBLING_DISABLED | + DPCD_TRAINING_PATTERN_2; + exynos_dp_write_byte_to_dpcd(dp, + DPCD_ADDR_TRAINING_LANE0_SET, + buf[0]); + + for (lane = 0; lane < lane_count; lane++) { + exynos_dp_set_lane_link_training(dp, + dp->link_train.training_lane[lane], + lane); + buf[lane] = dp->link_train.training_lane[lane]; + exynos_dp_write_byte_to_dpcd(dp, + DPCD_ADDR_TRAINING_LANE0_SET + lane, + buf[lane]); + } + dp->link_train.lt_state = EQUALIZER_TRAINING; + } else { + exynos_dp_read_byte_from_dpcd(dp, + DPCD_ADDR_ADJUST_REQUEST_LANE0_1, + &data); + adjust_request[0] = data; + + exynos_dp_read_byte_from_dpcd(dp, + DPCD_ADDR_ADJUST_REQUEST_LANE2_3, + &data); + adjust_request[1] = data; + + for (lane = 0; lane < lane_count; lane++) { + training_lane = exynos_dp_get_lane_link_training( + dp, lane); + voltage_swing = exynos_dp_get_adjust_request_voltage( + adjust_request, lane); + pre_emphasis = exynos_dp_get_adjust_request_pre_emphasis( + adjust_request, lane); + if ((DPCD_VOLTAGE_SWING_GET(training_lane) == voltage_swing) && + (DPCD_PRE_EMPHASIS_GET(training_lane) == pre_emphasis)) + dp->link_train.cr_loop[lane]++; + dp->link_train.training_lane[lane] = training_lane; + } + + if (exynos_dp_check_max_cr_loop(dp, voltage_swing) != 0) { + exynos_dp_reduce_link_rate(dp); + } else { + exynos_dp_get_adjust_train(dp, adjust_request); + + for (lane = 0; lane < lane_count; lane++) { + exynos_dp_set_lane_link_training(dp, + dp->link_train.training_lane[lane], + lane); + buf[lane] = dp->link_train.training_lane[lane]; + exynos_dp_write_byte_to_dpcd(dp, + DPCD_ADDR_TRAINING_LANE0_SET + lane, + buf[lane]); + } + } + } + + return 0; +} + +static int exynos_dp_process_equalizer_training(struct exynos_dp_device *dp) +{ + u8 link_status[6]; + int lane; + int lane_count; + u8 buf[5]; + u32 reg; + + u8 *adjust_request; + + udelay(400); + + exynos_dp_read_bytes_from_dpcd(dp, DPCD_ADDR_LANE0_1_STATUS, + 6, link_status); + lane_count = dp->link_train.lane_count; + + if (exynos_dp_clock_recovery_ok(link_status, lane_count) == 0) { + adjust_request = link_status + (DPCD_ADDR_ADJUST_REQUEST_LANE0_1 + - DPCD_ADDR_LANE0_1_STATUS); + + if (exynos_dp_channel_eq_ok(link_status, lane_count) == 0) { + /* traing pattern Set to Normal */ + exynos_dp_training_pattern_dis(dp); + + dev_info(dp->dev, "Link Training success!\n"); + + exynos_dp_get_link_bandwidth(dp, ®); + dp->link_train.link_rate = reg; + dev_dbg(dp->dev, "final bandwidth = %.2x\n", + dp->link_train.link_rate); + + exynos_dp_get_lane_count(dp, ®); + dp->link_train.lane_count = reg; + dev_dbg(dp->dev, "final lane count = %.2x\n", + dp->link_train.lane_count); + /* set enhanced mode if available */ + exynos_dp_set_enhanced_mode(dp); + + dp->link_train.lt_state = FINISHED; + } else { + /* not all locked */ + dp->link_train.eq_loop++; + + if (dp->link_train.eq_loop > MAX_EQ_LOOP) { + exynos_dp_reduce_link_rate(dp); + } else { + exynos_dp_get_adjust_train(dp, adjust_request); + + for (lane = 0; lane < lane_count; lane++) { + exynos_dp_set_lane_link_training(dp, + dp->link_train.training_lane[lane], + lane); + buf[lane] = dp->link_train.training_lane[lane]; + exynos_dp_write_byte_to_dpcd(dp, + DPCD_ADDR_TRAINING_LANE0_SET + lane, + buf[lane]); + } + } + } + } else { + exynos_dp_reduce_link_rate(dp); + } + + return 0; +} + +static void exynos_dp_get_max_rx_bandwidth(struct exynos_dp_device *dp, + u8 *bandwidth) +{ + u8 data; + + /* + * For DP rev.1.1, Maximum link rate of Main Link lanes + * 0x06 = 1.62 Gbps, 0x0a = 2.7 Gbps + */ + exynos_dp_read_byte_from_dpcd(dp, DPCD_ADDR_MAX_LINK_RATE, &data); + *bandwidth = data; +} + +static void exynos_dp_get_max_rx_lane_count(struct exynos_dp_device *dp, + u8 *lane_count) +{ + u8 data; + + /* + * For DP rev.1.1, Maximum number of Main Link lanes + * 0x01 = 1 lane, 0x02 = 2 lanes, 0x04 = 4 lanes + */ + exynos_dp_read_byte_from_dpcd(dp, DPCD_ADDR_MAX_LANE_COUNT, &data); + *lane_count = DPCD_MAX_LANE_COUNT(data); +} + +static void exynos_dp_init_training(struct exynos_dp_device *dp, + enum link_lane_count_type max_lane, + enum link_rate_type max_rate) +{ + /* + * MACRO_RST must be applied after the PLL_LOCK to avoid + * the DP inter pair skew issue for at least 10 us + */ + exynos_dp_reset_macro(dp); + + /* Initialize by reading RX's DPCD */ + exynos_dp_get_max_rx_bandwidth(dp, &dp->link_train.link_rate); + exynos_dp_get_max_rx_lane_count(dp, &dp->link_train.lane_count); + + if ((dp->link_train.link_rate != LINK_RATE_1_62GBPS) && + (dp->link_train.link_rate != LINK_RATE_2_70GBPS)) { + dev_err(dp->dev, "Rx Max Link Rate is abnormal :%x !\n", + dp->link_train.link_rate); + dp->link_train.link_rate = LINK_RATE_1_62GBPS; + } + + if (dp->link_train.lane_count == 0) { + dev_err(dp->dev, "Rx Max Lane count is abnormal :%x !\n", + dp->link_train.lane_count); + dp->link_train.lane_count = (u8)LANE_COUNT1; + } + + /* Setup TX lane count & rate */ + if (dp->link_train.lane_count > max_lane) + dp->link_train.lane_count = max_lane; + if (dp->link_train.link_rate > max_rate) + dp->link_train.link_rate = max_rate; + + /* All DP analog module power up */ + exynos_dp_set_analog_power_down(dp, POWER_ALL, 0); +} + +static int exynos_dp_sw_link_training(struct exynos_dp_device *dp) +{ + int retval = 0; + int training_finished; + + /* Turn off unnecessary lane */ + if (dp->link_train.lane_count == 1) + exynos_dp_set_analog_power_down(dp, CH1_BLOCK, 1); + + training_finished = 0; + + dp->link_train.lt_state = START; + + /* Process here */ + while (!training_finished) { + switch (dp->link_train.lt_state) { + case START: + exynos_dp_link_start(dp); + break; + case CLOCK_RECOVERY: + exynos_dp_process_clock_recovery(dp); + break; + case EQUALIZER_TRAINING: + exynos_dp_process_equalizer_training(dp); + break; + case FINISHED: + training_finished = 1; + break; + case FAILED: + return -EREMOTEIO; + } + } + + return retval; +} + +static int exynos_dp_set_link_train(struct exynos_dp_device *dp, + u32 count, + u32 bwtype) +{ + int i; + int retval; + + for (i = 0; i < DP_TIMEOUT_LOOP_COUNT; i++) { + exynos_dp_init_training(dp, count, bwtype); + retval = exynos_dp_sw_link_training(dp); + if (retval == 0) + break; + + udelay(100); + } + + return retval; +} + +static int exynos_dp_config_video(struct exynos_dp_device *dp, + struct video_info *video_info) +{ + int retval = 0; + int timeout_loop = 0; + int done_count = 0; + + exynos_dp_config_video_slave_mode(dp, video_info); + + exynos_dp_set_video_color_format(dp, video_info->color_depth, + video_info->color_space, + video_info->dynamic_range, + video_info->ycbcr_coeff); + + if (exynos_dp_get_pll_lock_status(dp) == PLL_UNLOCKED) { + dev_err(dp->dev, "PLL is not locked yet.\n"); + return -EINVAL; + } + + for (;;) { + timeout_loop++; + if (exynos_dp_is_slave_video_stream_clock_on(dp) == 0) + break; + if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) { + dev_err(dp->dev, "Timeout of video streamclk ok\n"); + return -ETIMEDOUT; + } + + mdelay(100); + } + + /* Set to use the register calculated M/N video */ + exynos_dp_set_video_cr_mn(dp, CALCULATED_M, 0, 0); + + /* For video bist, Video timing must be generated by register */ + exynos_dp_set_video_timing_mode(dp, VIDEO_TIMING_FROM_CAPTURE); + + /* Disable video mute */ + exynos_dp_enable_video_mute(dp, 0); + + /* Configure video slave mode */ + exynos_dp_enable_video_master(dp, 0); + + /* Enable video */ + exynos_dp_start_video(dp); + + timeout_loop = 0; + + for (;;) { + timeout_loop++; + if (exynos_dp_is_video_stream_on(dp) == 0) { + done_count++; + if (done_count > 10) + break; + } else if (done_count) { + done_count = 0; + } + if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) { + dev_err(dp->dev, "Timeout of video streamclk ok\n"); + return -ETIMEDOUT; + } + + mdelay(100); + } + + if (retval != 0) + dev_err(dp->dev, "Video stream is not detected!\n"); + + return retval; +} + +static void exynos_dp_enable_scramble(struct exynos_dp_device *dp, bool enable) +{ + u8 data; + + if (enable) { + exynos_dp_enable_scrambling(dp); + + exynos_dp_read_byte_from_dpcd(dp, + DPCD_ADDR_TRAINING_PATTERN_SET, + &data); + exynos_dp_write_byte_to_dpcd(dp, + DPCD_ADDR_TRAINING_PATTERN_SET, + (u8)(data & ~DPCD_SCRAMBLING_DISABLED)); + } else { + exynos_dp_disable_scrambling(dp); + + exynos_dp_read_byte_from_dpcd(dp, + DPCD_ADDR_TRAINING_PATTERN_SET, + &data); + exynos_dp_write_byte_to_dpcd(dp, + DPCD_ADDR_TRAINING_PATTERN_SET, + (u8)(data | DPCD_SCRAMBLING_DISABLED)); + } +} + +static irqreturn_t exynos_dp_irq_handler(int irq, void *arg) +{ + struct exynos_dp_device *dp = arg; + + dev_err(dp->dev, "exynos_dp_irq_handler\n"); + return IRQ_HANDLED; +} + +static int __devinit exynos_dp_probe(struct platform_device *pdev) +{ + struct resource *res; + struct exynos_dp_device *dp; + struct exynos_dp_platdata *pdata; + + int ret = 0; + + pdata = pdev->dev.platform_data; + if (!pdata) { + dev_err(&pdev->dev, "no platform data\n"); + return -EINVAL; + } + + dp = kzalloc(sizeof(struct exynos_dp_device), GFP_KERNEL); + if (!dp) { + dev_err(&pdev->dev, "no memory for device data\n"); + return -ENOMEM; + } + + dp->dev = &pdev->dev; + + dp->clock = clk_get(&pdev->dev, "dp"); + if (IS_ERR(dp->clock)) { + dev_err(&pdev->dev, "failed to get clock\n"); + ret = PTR_ERR(dp->clock); + goto err_dp; + } + + clk_enable(dp->clock); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "failed to get registers\n"); + ret = -EINVAL; + goto err_clock; + } + + res = request_mem_region(res->start, resource_size(res), + dev_name(&pdev->dev)); + if (!res) { + dev_err(&pdev->dev, "failed to request registers region\n"); + ret = -EINVAL; + goto err_clock; + } + + dp->res = res; + + dp->reg_base = ioremap(res->start, resource_size(res)); + if (!dp->reg_base) { + dev_err(&pdev->dev, "failed to ioremap\n"); + ret = -ENOMEM; + goto err_req_region; + } + + dp->irq = platform_get_irq(pdev, 0); + if (!dp->irq) { + dev_err(&pdev->dev, "failed to get irq\n"); + ret = -ENODEV; + goto err_ioremap; + } + + ret = request_irq(dp->irq, exynos_dp_irq_handler, 0, + "exynos-dp", dp); + if (ret) { + dev_err(&pdev->dev, "failed to request irq\n"); + goto err_ioremap; + } + + dp->video_info = pdata->video_info; + if (pdata->phy_init) + pdata->phy_init(); + + exynos_dp_init_dp(dp); + + ret = exynos_dp_detect_hpd(dp); + if (ret) { + dev_err(&pdev->dev, "unable to detect hpd\n"); + goto err_irq; + } + + exynos_dp_handle_edid(dp); + + ret = exynos_dp_set_link_train(dp, dp->video_info->lane_count, + dp->video_info->link_rate); + if (ret) { + dev_err(&pdev->dev, "unable to do link train\n"); + goto err_irq; + } + + exynos_dp_enable_scramble(dp, 1); + exynos_dp_enable_rx_to_enhanced_mode(dp, 1); + exynos_dp_enable_enhanced_mode(dp, 1); + + exynos_dp_set_lane_count(dp, dp->video_info->lane_count); + exynos_dp_set_link_bandwidth(dp, dp->video_info->link_rate); + + exynos_dp_init_video(dp); + ret = exynos_dp_config_video(dp, dp->video_info); + if (ret) { + dev_err(&pdev->dev, "unable to config video\n"); + goto err_irq; + } + + platform_set_drvdata(pdev, dp); + + return 0; + +err_irq: + free_irq(dp->irq, dp); +err_ioremap: + iounmap(dp->reg_base); +err_req_region: + release_mem_region(res->start, resource_size(res)); +err_clock: + clk_put(dp->clock); +err_dp: + kfree(dp); + + return ret; +} + +static int __devexit exynos_dp_remove(struct platform_device *pdev) +{ + struct exynos_dp_platdata *pdata = pdev->dev.platform_data; + struct exynos_dp_device *dp = platform_get_drvdata(pdev); + + if (pdata && pdata->phy_exit) + pdata->phy_exit(); + + free_irq(dp->irq, dp); + iounmap(dp->reg_base); + + clk_disable(dp->clock); + clk_put(dp->clock); + + release_mem_region(dp->res->start, resource_size(dp->res)); + + kfree(dp); + + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int exynos_dp_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct exynos_dp_platdata *pdata = pdev->dev.platform_data; + struct exynos_dp_device *dp = platform_get_drvdata(pdev); + + if (pdata && pdata->phy_exit) + pdata->phy_exit(); + + clk_disable(dp->clock); + + return 0; +} + +static int exynos_dp_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct exynos_dp_platdata *pdata = pdev->dev.platform_data; + struct exynos_dp_device *dp = platform_get_drvdata(pdev); + + if (pdata && pdata->phy_init) + pdata->phy_init(); + + clk_enable(dp->clock); + + exynos_dp_init_dp(dp); + + exynos_dp_detect_hpd(dp); + exynos_dp_handle_edid(dp); + + exynos_dp_set_link_train(dp, dp->video_info->lane_count, + dp->video_info->link_rate); + + exynos_dp_enable_scramble(dp, 1); + exynos_dp_enable_rx_to_enhanced_mode(dp, 1); + exynos_dp_enable_enhanced_mode(dp, 1); + + exynos_dp_set_lane_count(dp, dp->video_info->lane_count); + exynos_dp_set_link_bandwidth(dp, dp->video_info->link_rate); + + exynos_dp_init_video(dp); + exynos_dp_config_video(dp, dp->video_info); + + return 0; +} +#endif + +static const struct dev_pm_ops exynos_dp_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(exynos_dp_suspend, exynos_dp_resume) +}; + +static struct platform_driver exynos_dp_driver = { + .probe = exynos_dp_probe, + .remove = __devexit_p(exynos_dp_remove), + .driver = { + .name = "exynos-dp", + .owner = THIS_MODULE, + .pm = &exynos_dp_pm_ops, + }, +}; + +module_platform_driver(exynos_dp_driver); + +MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>"); +MODULE_DESCRIPTION("Samsung SoC DP Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/exynos/exynos_dp_core.h b/drivers/video/exynos/exynos_dp_core.h new file mode 100644 index 0000000..90ceaca --- /dev/null +++ b/drivers/video/exynos/exynos_dp_core.h @@ -0,0 +1,206 @@ +/* + * Header file for Samsung DP (Display Port) interface driver. + * + * Copyright (C) 2012 Samsung Electronics Co., Ltd. + * Author: Jingoo Han <jg1.han@samsung.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef _EXYNOS_DP_CORE_H +#define _EXYNOS_DP_CORE_H + +struct link_train { + int eq_loop; + int cr_loop[4]; + + u8 link_rate; + u8 lane_count; + u8 training_lane[4]; + + enum link_training_state lt_state; +}; + +struct exynos_dp_device { + struct device *dev; + struct resource *res; + struct clk *clock; + unsigned int irq; + void __iomem *reg_base; + + struct video_info *video_info; + struct link_train link_train; +}; + +/* exynos_dp_reg.c */ +void exynos_dp_enable_video_mute(struct exynos_dp_device *dp, bool enable); +void exynos_dp_stop_video(struct exynos_dp_device *dp); +void exynos_dp_lane_swap(struct exynos_dp_device *dp, bool enable); +void exynos_dp_init_interrupt(struct exynos_dp_device *dp); +void exynos_dp_reset(struct exynos_dp_device *dp); +void exynos_dp_config_interrupt(struct exynos_dp_device *dp); +u32 exynos_dp_get_pll_lock_status(struct exynos_dp_device *dp); +void exynos_dp_set_pll_power_down(struct exynos_dp_device *dp, bool enable); +void exynos_dp_set_analog_power_down(struct exynos_dp_device *dp, + enum analog_power_block block, + bool enable); +void exynos_dp_init_analog_func(struct exynos_dp_device *dp); +void exynos_dp_init_hpd(struct exynos_dp_device *dp); +void exynos_dp_reset_aux(struct exynos_dp_device *dp); +void exynos_dp_init_aux(struct exynos_dp_device *dp); +int exynos_dp_get_plug_in_status(struct exynos_dp_device *dp); +void exynos_dp_enable_sw_function(struct exynos_dp_device *dp); +int exynos_dp_start_aux_transaction(struct exynos_dp_device *dp); +int exynos_dp_write_byte_to_dpcd(struct exynos_dp_device *dp, + unsigned int reg_addr, + unsigned char data); +int exynos_dp_read_byte_from_dpcd(struct exynos_dp_device *dp, + unsigned int reg_addr, + unsigned char *data); +int exynos_dp_write_bytes_to_dpcd(struct exynos_dp_device *dp, + unsigned int reg_addr, + unsigned int count, + unsigned char data[]); +int exynos_dp_read_bytes_from_dpcd(struct exynos_dp_device *dp, + unsigned int reg_addr, + unsigned int count, + unsigned char data[]); +int exynos_dp_select_i2c_device(struct exynos_dp_device *dp, + unsigned int device_addr, + unsigned int reg_addr); +int exynos_dp_read_byte_from_i2c(struct exynos_dp_device *dp, + unsigned int device_addr, + unsigned int reg_addr, + unsigned int *data); +int exynos_dp_read_bytes_from_i2c(struct exynos_dp_device *dp, + unsigned int device_addr, + unsigned int reg_addr, + unsigned int count, + unsigned char edid[]); +void exynos_dp_set_link_bandwidth(struct exynos_dp_device *dp, u32 bwtype); +void exynos_dp_get_link_bandwidth(struct exynos_dp_device *dp, u32 *bwtype); +void exynos_dp_set_lane_count(struct exynos_dp_device *dp, u32 count); +void exynos_dp_get_lane_count(struct exynos_dp_device *dp, u32 *count); +void exynos_dp_set_link_bandwidth(struct exynos_dp_device *dp, u32 bwtype); +void exynos_dp_get_link_bandwidth(struct exynos_dp_device *dp, u32 *bwtype); +void exynos_dp_set_lane_count(struct exynos_dp_device *dp, u32 count); +void exynos_dp_get_lane_count(struct exynos_dp_device *dp, u32 *count); +void exynos_dp_enable_enhanced_mode(struct exynos_dp_device *dp, bool enable); +void exynos_dp_set_training_pattern(struct exynos_dp_device *dp, + enum pattern_set pattern); +void exynos_dp_set_lane0_pre_emphasis(struct exynos_dp_device *dp, u32 level); +void exynos_dp_set_lane1_pre_emphasis(struct exynos_dp_device *dp, u32 level); +void exynos_dp_set_lane2_pre_emphasis(struct exynos_dp_device *dp, u32 level); +void exynos_dp_set_lane3_pre_emphasis(struct exynos_dp_device *dp, u32 level); +void exynos_dp_set_lane0_link_training(struct exynos_dp_device *dp, + u32 training_lane); +void exynos_dp_set_lane1_link_training(struct exynos_dp_device *dp, + u32 training_lane); +void exynos_dp_set_lane2_link_training(struct exynos_dp_device *dp, + u32 training_lane); +void exynos_dp_set_lane3_link_training(struct exynos_dp_device *dp, + u32 training_lane); +u32 exynos_dp_get_lane0_link_training(struct exynos_dp_device *dp); +u32 exynos_dp_get_lane1_link_training(struct exynos_dp_device *dp); +u32 exynos_dp_get_lane2_link_training(struct exynos_dp_device *dp); +u32 exynos_dp_get_lane3_link_training(struct exynos_dp_device *dp); +void exynos_dp_reset_macro(struct exynos_dp_device *dp); +int exynos_dp_init_video(struct exynos_dp_device *dp); + +void exynos_dp_set_video_color_format(struct exynos_dp_device *dp, + u32 color_depth, + u32 color_space, + u32 dynamic_range, + u32 ycbcr_coeff); +int exynos_dp_is_slave_video_stream_clock_on(struct exynos_dp_device *dp); +void exynos_dp_set_video_cr_mn(struct exynos_dp_device *dp, + enum clock_recovery_m_value_type type, + u32 m_value, + u32 n_value); +void exynos_dp_set_video_timing_mode(struct exynos_dp_device *dp, u32 type); +void exynos_dp_enable_video_master(struct exynos_dp_device *dp, bool enable); +void exynos_dp_start_video(struct exynos_dp_device *dp); +int exynos_dp_is_video_stream_on(struct exynos_dp_device *dp); +void exynos_dp_config_video_slave_mode(struct exynos_dp_device *dp, + struct video_info *video_info); +void exynos_dp_enable_scrambling(struct exynos_dp_device *dp); +void exynos_dp_disable_scrambling(struct exynos_dp_device *dp); + +/* I2C EDID Chip ID, Slave Address */ +#define I2C_EDID_DEVICE_ADDR 0x50 +#define I2C_E_EDID_DEVICE_ADDR 0x30 + +#define EDID_BLOCK_LENGTH 0x80 +#define EDID_HEADER_PATTERN 0x00 +#define EDID_EXTENSION_FLAG 0x7e +#define EDID_CHECKSUM 0x7f + +/* Definition for DPCD Register */ +#define DPCD_ADDR_DPCD_REV 0x0000 +#define DPCD_ADDR_MAX_LINK_RATE 0x0001 +#define DPCD_ADDR_MAX_LANE_COUNT 0x0002 +#define DPCD_ADDR_LINK_BW_SET 0x0100 +#define DPCD_ADDR_LANE_COUNT_SET 0x0101 +#define DPCD_ADDR_TRAINING_PATTERN_SET 0x0102 +#define DPCD_ADDR_TRAINING_LANE0_SET 0x0103 +#define DPCD_ADDR_LANE0_1_STATUS 0x0202 +#define DPCD_ADDR_LANE_ALIGN__STATUS_UPDATED 0x0204 +#define DPCD_ADDR_ADJUST_REQUEST_LANE0_1 0x0206 +#define DPCD_ADDR_ADJUST_REQUEST_LANE2_3 0x0207 +#define DPCD_ADDR_TEST_REQUEST 0x0218 +#define DPCD_ADDR_TEST_RESPONSE 0x0260 +#define DPCD_ADDR_TEST_EDID_CHECKSUM 0x0261 +#define DPCD_ADDR_SINK_POWER_STATE 0x0600 + +/* DPCD_ADDR_MAX_LANE_COUNT */ +#define DPCD_ENHANCED_FRAME_CAP(x) (((x) >> 7) & 0x1) +#define DPCD_MAX_LANE_COUNT(x) ((x) & 0x1f) + +/* DPCD_ADDR_LANE_COUNT_SET */ +#define DPCD_ENHANCED_FRAME_EN (0x1 << 7) +#define DPCD_LANE_COUNT_SET(x) ((x) & 0x1f) + +/* DPCD_ADDR_TRAINING_PATTERN_SET */ +#define DPCD_SCRAMBLING_DISABLED (0x1 << 5) +#define DPCD_SCRAMBLING_ENABLED (0x0 << 5) +#define DPCD_TRAINING_PATTERN_2 (0x2 << 0) +#define DPCD_TRAINING_PATTERN_1 (0x1 << 0) +#define DPCD_TRAINING_PATTERN_DISABLED (0x0 << 0) + +/* DPCD_ADDR_TRAINING_LANE0_SET */ +#define DPCD_MAX_PRE_EMPHASIS_REACHED (0x1 << 5) +#define DPCD_PRE_EMPHASIS_SET(x) (((x) & 0x3) << 3) +#define DPCD_PRE_EMPHASIS_GET(x) (((x) >> 3) & 0x3) +#define DPCD_PRE_EMPHASIS_PATTERN2_LEVEL0 (0x0 << 3) +#define DPCD_MAX_SWING_REACHED (0x1 << 2) +#define DPCD_VOLTAGE_SWING_SET(x) (((x) & 0x3) << 0) +#define DPCD_VOLTAGE_SWING_GET(x) (((x) >> 0) & 0x3) +#define DPCD_VOLTAGE_SWING_PATTERN1_LEVEL0 (0x0 << 0) + +/* DPCD_ADDR_LANE0_1_STATUS */ +#define DPCD_LANE_SYMBOL_LOCKED (0x1 << 2) +#define DPCD_LANE_CHANNEL_EQ_DONE (0x1 << 1) +#define DPCD_LANE_CR_DONE (0x1 << 0) +#define DPCD_CHANNEL_EQ_BITS (DPCD_LANE_CR_DONE| \ + DPCD_LANE_CHANNEL_EQ_DONE|\ + DPCD_LANE_SYMBOL_LOCKED) + +/* DPCD_ADDR_LANE_ALIGN__STATUS_UPDATED */ +#define DPCD_LINK_STATUS_UPDATED (0x1 << 7) +#define DPCD_DOWNSTREAM_PORT_STATUS_CHANGED (0x1 << 6) +#define DPCD_INTERLANE_ALIGN_DONE (0x1 << 0) + +/* DPCD_ADDR_TEST_REQUEST */ +#define DPCD_TEST_EDID_READ (0x1 << 2) + +/* DPCD_ADDR_TEST_RESPONSE */ +#define DPCD_TEST_EDID_CHECKSUM_WRITE (0x1 << 2) + +/* DPCD_ADDR_SINK_POWER_STATE */ +#define DPCD_SET_POWER_STATE_D0 (0x1 << 0) +#define DPCD_SET_POWER_STATE_D4 (0x2 << 0) + +#endif /* _EXYNOS_DP_CORE_H */ diff --git a/drivers/video/exynos/exynos_dp_reg.c b/drivers/video/exynos/exynos_dp_reg.c new file mode 100644 index 0000000..6548afa --- /dev/null +++ b/drivers/video/exynos/exynos_dp_reg.c @@ -0,0 +1,1173 @@ +/* + * Samsung DP (Display port) register interface driver. + * + * Copyright (C) 2012 Samsung Electronics Co., Ltd. + * Author: Jingoo Han <jg1.han@samsung.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/device.h> +#include <linux/io.h> +#include <linux/delay.h> + +#include <video/exynos_dp.h> + +#include <plat/cpu.h> + +#include "exynos_dp_core.h" +#include "exynos_dp_reg.h" + +#define COMMON_INT_MASK_1 (0) +#define COMMON_INT_MASK_2 (0) +#define COMMON_INT_MASK_3 (0) +#define COMMON_INT_MASK_4 (0) +#define INT_STA_MASK (0) + +void exynos_dp_enable_video_mute(struct exynos_dp_device *dp, bool enable) +{ + u32 reg; + + if (enable) { + reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_1); + reg |= HDCP_VIDEO_MUTE; + writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_1); + } else { + reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_1); + reg &= ~HDCP_VIDEO_MUTE; + writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_1); + } +} + +void exynos_dp_stop_video(struct exynos_dp_device *dp) +{ + u32 reg; + + reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_1); + reg &= ~VIDEO_EN; + writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_1); +} + +void exynos_dp_lane_swap(struct exynos_dp_device *dp, bool enable) +{ + u32 reg; + + if (enable) + reg = LANE3_MAP_LOGIC_LANE_0 | LANE2_MAP_LOGIC_LANE_1 | + LANE1_MAP_LOGIC_LANE_2 | LANE0_MAP_LOGIC_LANE_3; + else + reg = LANE3_MAP_LOGIC_LANE_3 | LANE2_MAP_LOGIC_LANE_2 | + LANE1_MAP_LOGIC_LANE_1 | LANE0_MAP_LOGIC_LANE_0; + + writel(reg, dp->reg_base + EXYNOS_DP_LANE_MAP); +} + +void exynos_dp_init_interrupt(struct exynos_dp_device *dp) +{ + /* Set interrupt pin assertion polarity as high */ + writel(INT_POL, dp->reg_base + EXYNOS_DP_INT_CTL); + + /* Clear pending regisers */ + writel(0xff, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_1); + writel(0x4f, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_2); + writel(0xe0, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_3); + writel(0xe7, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_4); + writel(0x63, dp->reg_base + EXYNOS_DP_INT_STA); + + /* 0:mask,1: unmask */ + writel(0x00, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_1); + writel(0x00, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_2); + writel(0x00, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_3); + writel(0x00, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_4); + writel(0x00, dp->reg_base + EXYNOS_DP_INT_STA_MASK); +} + +void exynos_dp_reset(struct exynos_dp_device *dp) +{ + u32 reg; + + writel(RESET_DP_TX, dp->reg_base + EXYNOS_DP_TX_SW_RESET); + + exynos_dp_stop_video(dp); + exynos_dp_enable_video_mute(dp, 0); + + reg = MASTER_VID_FUNC_EN_N | SLAVE_VID_FUNC_EN_N | + AUD_FIFO_FUNC_EN_N | AUD_FUNC_EN_N | + HDCP_FUNC_EN_N | SW_FUNC_EN_N; + writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_1); + + reg = SSC_FUNC_EN_N | AUX_FUNC_EN_N | + SERDES_FIFO_FUNC_EN_N | + LS_CLK_DOMAIN_FUNC_EN_N; + writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_2); + + udelay(20); + + exynos_dp_lane_swap(dp, 0); + + writel(0x0, dp->reg_base + EXYNOS_DP_SYS_CTL_1); + writel(0x40, dp->reg_base + EXYNOS_DP_SYS_CTL_2); + writel(0x0, dp->reg_base + EXYNOS_DP_SYS_CTL_3); + writel(0x0, dp->reg_base + EXYNOS_DP_SYS_CTL_4); + + writel(0x0, dp->reg_base + EXYNOS_DP_PKT_SEND_CTL); + writel(0x0, dp->reg_base + EXYNOS_DP_HDCP_CTL); + + writel(0x5e, dp->reg_base + EXYNOS_DP_HPD_DEGLITCH_L); + writel(0x1a, dp->reg_base + EXYNOS_DP_HPD_DEGLITCH_H); + + writel(0x10, dp->reg_base + EXYNOS_DP_LINK_DEBUG_CTL); + + writel(0x0, dp->reg_base + EXYNOS_DP_PHY_TEST); + + writel(0x0, dp->reg_base + EXYNOS_DP_VIDEO_FIFO_THRD); + writel(0x20, dp->reg_base + EXYNOS_DP_AUDIO_MARGIN); + + writel(0x4, dp->reg_base + EXYNOS_DP_M_VID_GEN_FILTER_TH); + writel(0x2, dp->reg_base + EXYNOS_DP_M_AUD_GEN_FILTER_TH); + + writel(0x00000101, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL); + + exynos_dp_init_interrupt(dp); +} + +void exynos_dp_config_interrupt(struct exynos_dp_device *dp) +{ + u32 reg; + + /* 0: mask, 1: unmask */ + reg = COMMON_INT_MASK_1; + writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_1); + + reg = COMMON_INT_MASK_2; + writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_2); + + reg = COMMON_INT_MASK_3; + writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_3); + + reg = COMMON_INT_MASK_4; + writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_4); + + reg = INT_STA_MASK; + writel(reg, dp->reg_base + EXYNOS_DP_INT_STA_MASK); +} + +u32 exynos_dp_get_pll_lock_status(struct exynos_dp_device *dp) +{ + u32 reg; + + reg = readl(dp->reg_base + EXYNOS_DP_DEBUG_CTL); + if (reg & PLL_LOCK) + return PLL_LOCKED; + else + return PLL_UNLOCKED; +} + +void exynos_dp_set_pll_power_down(struct exynos_dp_device *dp, bool enable) +{ + u32 reg; + + if (enable) { + reg = readl(dp->reg_base + EXYNOS_DP_PLL_CTL); + reg |= DP_PLL_PD; + writel(reg, dp->reg_base + EXYNOS_DP_PLL_CTL); + } else { + reg = readl(dp->reg_base + EXYNOS_DP_PLL_CTL); + reg &= ~DP_PLL_PD; + writel(reg, dp->reg_base + EXYNOS_DP_PLL_CTL); + } +} + +void exynos_dp_set_analog_power_down(struct exynos_dp_device *dp, + enum analog_power_block block, + bool enable) +{ + u32 reg; + + switch (block) { + case AUX_BLOCK: + if (enable) { + reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD); + reg |= AUX_PD; + writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD); + } else { + reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD); + reg &= ~AUX_PD; + writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD); + } + break; + case CH0_BLOCK: + if (enable) { + reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD); + reg |= CH0_PD; + writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD); + } else { + reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD); + reg &= ~CH0_PD; + writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD); + } + break; + case CH1_BLOCK: + if (enable) { + reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD); + reg |= CH1_PD; + writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD); + } else { + reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD); + reg &= ~CH1_PD; + writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD); + } + break; + case CH2_BLOCK: + if (enable) { + reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD); + reg |= CH2_PD; + writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD); + } else { + reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD); + reg &= ~CH2_PD; + writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD); + } + break; + case CH3_BLOCK: + if (enable) { + reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD); + reg |= CH3_PD; + writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD); + } else { + reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD); + reg &= ~CH3_PD; + writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD); + } + break; + case ANALOG_TOTAL: + if (enable) { + reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD); + reg |= DP_PHY_PD; + writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD); + } else { + reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD); + reg &= ~DP_PHY_PD; + writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD); + } + break; + case POWER_ALL: + if (enable) { + reg = DP_PHY_PD | AUX_PD | CH3_PD | CH2_PD | + CH1_PD | CH0_PD; + writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD); + } else { + writel(0x00, dp->reg_base + EXYNOS_DP_PHY_PD); + } + break; + default: + break; + } +} + +void exynos_dp_init_analog_func(struct exynos_dp_device *dp) +{ + u32 reg; + + exynos_dp_set_analog_power_down(dp, POWER_ALL, 0); + + reg = PLL_LOCK_CHG; + writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_1); + + reg = readl(dp->reg_base + EXYNOS_DP_DEBUG_CTL); + reg &= ~(F_PLL_LOCK | PLL_LOCK_CTRL); + writel(reg, dp->reg_base + EXYNOS_DP_DEBUG_CTL); + + /* Power up PLL */ + if (exynos_dp_get_pll_lock_status(dp) == PLL_UNLOCKED) + exynos_dp_set_pll_power_down(dp, 0); + + /* Enable Serdes FIFO function and Link symbol clock domain module */ + reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_2); + reg &= ~(SERDES_FIFO_FUNC_EN_N | LS_CLK_DOMAIN_FUNC_EN_N + | AUX_FUNC_EN_N); + writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_2); +} + +void exynos_dp_init_hpd(struct exynos_dp_device *dp) +{ + u32 reg; + + reg = HOTPLUG_CHG | HPD_LOST | PLUG; + writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_4); + + reg = INT_HPD; + writel(reg, dp->reg_base + EXYNOS_DP_INT_STA); + + reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_3); + reg &= ~(F_HPD | HPD_CTRL); + writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_3); +} + +void exynos_dp_reset_aux(struct exynos_dp_device *dp) +{ + u32 reg; + + /* Disable AUX channel module */ + reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_2); + reg |= AUX_FUNC_EN_N; + writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_2); +} + +void exynos_dp_init_aux(struct exynos_dp_device *dp) +{ + u32 reg; + + /* Clear inerrupts related to AUX channel */ + reg = RPLY_RECEIV | AUX_ERR; + writel(reg, dp->reg_base + EXYNOS_DP_INT_STA); + + exynos_dp_reset_aux(dp); + + /* Disable AUX transaction H/W retry */ + reg = AUX_BIT_PERIOD_EXPECTED_DELAY(3) | AUX_HW_RETRY_COUNT_SEL(0)| + AUX_HW_RETRY_INTERVAL_600_MICROSECONDS; + writel(reg, dp->reg_base + EXYNOS_DP_AUX_HW_RETRY_CTL) ; + + /* Receive AUX Channel DEFER commands equal to DEFFER_COUNT*64 */ + reg = DEFER_CTRL_EN | DEFER_COUNT(1); + writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_DEFER_CTL); + + /* Enable AUX channel module */ + reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_2); + reg &= ~AUX_FUNC_EN_N; + writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_2); +} + +int exynos_dp_get_plug_in_status(struct exynos_dp_device *dp) +{ + u32 reg; + + reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_3); + if (reg & HPD_STATUS) + return 0; + + return -EINVAL; +} + +void exynos_dp_enable_sw_function(struct exynos_dp_device *dp) +{ + u32 reg; + + reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_1); + reg &= ~SW_FUNC_EN_N; + writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_1); +} + +int exynos_dp_start_aux_transaction(struct exynos_dp_device *dp) +{ + int reg; + int retval = 0; + + /* Enable AUX CH operation */ + reg = readl(dp->reg_base + EXYNOS_DP_AUX_CH_CTL_2); + reg |= AUX_EN; + writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_2); + + /* Is AUX CH command reply received? */ + reg = readl(dp->reg_base + EXYNOS_DP_INT_STA); + while (!(reg & RPLY_RECEIV)) + reg = readl(dp->reg_base + EXYNOS_DP_INT_STA); + + /* Clear interrupt source for AUX CH command reply */ + writel(RPLY_RECEIV, dp->reg_base + EXYNOS_DP_INT_STA); + + /* Clear interrupt source for AUX CH access error */ + reg = readl(dp->reg_base + EXYNOS_DP_INT_STA); + if (reg & AUX_ERR) { + writel(AUX_ERR, dp->reg_base + EXYNOS_DP_INT_STA); + return -EREMOTEIO; + } + + /* Check AUX CH error access status */ + reg = readl(dp->reg_base + EXYNOS_DP_AUX_CH_STA); + if ((reg & AUX_STATUS_MASK) != 0) { + dev_err(dp->dev, "AUX CH error happens: %d\n\n", + reg & AUX_STATUS_MASK); + return -EREMOTEIO; + } + + return retval; +} + +int exynos_dp_write_byte_to_dpcd(struct exynos_dp_device *dp, + unsigned int reg_addr, + unsigned char data) +{ + u32 reg; + int i; + int retval; + + for (i = 0; i < 3; i++) { + /* Clear AUX CH data buffer */ + reg = BUF_CLR; + writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL); + + /* Select DPCD device address */ + reg = AUX_ADDR_7_0(reg_addr); + writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0); + reg = AUX_ADDR_15_8(reg_addr); + writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8); + reg = AUX_ADDR_19_16(reg_addr); + writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16); + + /* Write data buffer */ + reg = (unsigned int)data; + writel(reg, dp->reg_base + EXYNOS_DP_BUF_DATA_0); + + /* + * Set DisplayPort transaction and write 1 byte + * If bit 3 is 1, DisplayPort transaction. + * If Bit 3 is 0, I2C transaction. + */ + reg = AUX_TX_COMM_DP_TRANSACTION | AUX_TX_COMM_WRITE; + writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1); + + /* Start AUX transaction */ + retval = exynos_dp_start_aux_transaction(dp); + if (retval == 0) + break; + else + dev_err(dp->dev, "Aux Transaction fail!\n"); + } + + return retval; +} + +int exynos_dp_read_byte_from_dpcd(struct exynos_dp_device *dp, + unsigned int reg_addr, + unsigned char *data) +{ + u32 reg; + int i; + int retval; + + for (i = 0; i < 10; i++) { + /* Clear AUX CH data buffer */ + reg = BUF_CLR; + writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL); + + /* Select DPCD device address */ + reg = AUX_ADDR_7_0(reg_addr); + writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0); + reg = AUX_ADDR_15_8(reg_addr); + writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8); + reg = AUX_ADDR_19_16(reg_addr); + writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16); + + /* + * Set DisplayPort transaction and read 1 byte + * If bit 3 is 1, DisplayPort transaction. + * If Bit 3 is 0, I2C transaction. + */ + reg = AUX_TX_COMM_DP_TRANSACTION | AUX_TX_COMM_READ; + writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1); + + /* Start AUX transaction */ + retval = exynos_dp_start_aux_transaction(dp); + if (retval == 0) + break; + else + dev_err(dp->dev, "Aux Transaction fail!\n"); + } + + /* Read data buffer */ + reg = readl(dp->reg_base + EXYNOS_DP_BUF_DATA_0); + *data = (unsigned char)(reg & 0xff); + + return retval; +} + +int exynos_dp_write_bytes_to_dpcd(struct exynos_dp_device *dp, + unsigned int reg_addr, + unsigned int count, + unsigned char data[]) +{ + u32 reg; + unsigned int start_offset; + unsigned int cur_data_count; + unsigned int cur_data_idx; + int i; + int retval = 0; + + /* Clear AUX CH data buffer */ + reg = BUF_CLR; + writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL); + + start_offset = 0; + while (start_offset < count) { + /* Buffer size of AUX CH is 16 * 4bytes */ + if ((count - start_offset) > 16) + cur_data_count = 16; + else + cur_data_count = count - start_offset; + + for (i = 0; i < 10; i++) { + /* Select DPCD device address */ + reg = AUX_ADDR_7_0(reg_addr + start_offset); + writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0); + reg = AUX_ADDR_15_8(reg_addr + start_offset); + writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8); + reg = AUX_ADDR_19_16(reg_addr + start_offset); + writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16); + + for (cur_data_idx = 0; cur_data_idx < cur_data_count; + cur_data_idx++) { + reg = data[start_offset + cur_data_idx]; + writel(reg, dp->reg_base + EXYNOS_DP_BUF_DATA_0 + + 4 * cur_data_idx); + } + + /* + * Set DisplayPort transaction and write + * If bit 3 is 1, DisplayPort transaction. + * If Bit 3 is 0, I2C transaction. + */ + reg = AUX_LENGTH(cur_data_count) | + AUX_TX_COMM_DP_TRANSACTION | AUX_TX_COMM_WRITE; + writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1); + + /* Start AUX transaction */ + retval = exynos_dp_start_aux_transaction(dp); + if (retval == 0) + break; + else + dev_err(dp->dev, "Aux Transaction fail!\n"); + } + + start_offset += cur_data_count; + } + + return retval; +} + +int exynos_dp_read_bytes_from_dpcd(struct exynos_dp_device *dp, + unsigned int reg_addr, + unsigned int count, + unsigned char data[]) +{ + u32 reg; + unsigned int start_offset; + unsigned int cur_data_count; + unsigned int cur_data_idx; + int i; + int retval = 0; + + /* Clear AUX CH data buffer */ + reg = BUF_CLR; + writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL); + + start_offset = 0; + while (start_offset < count) { + /* Buffer size of AUX CH is 16 * 4bytes */ + if ((count - start_offset) > 16) + cur_data_count = 16; + else + cur_data_count = count - start_offset; + + /* AUX CH Request Transaction process */ + for (i = 0; i < 10; i++) { + /* Select DPCD device address */ + reg = AUX_ADDR_7_0(reg_addr + start_offset); + writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0); + reg = AUX_ADDR_15_8(reg_addr + start_offset); + writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8); + reg = AUX_ADDR_19_16(reg_addr + start_offset); + writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16); + + /* + * Set DisplayPort transaction and read + * If bit 3 is 1, DisplayPort transaction. + * If Bit 3 is 0, I2C transaction. + */ + reg = AUX_LENGTH(cur_data_count) | + AUX_TX_COMM_DP_TRANSACTION | AUX_TX_COMM_READ; + writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1); + + /* Start AUX transaction */ + retval = exynos_dp_start_aux_transaction(dp); + if (retval == 0) + break; + else + dev_err(dp->dev, "Aux Transaction fail!\n"); + } + + for (cur_data_idx = 0; cur_data_idx < cur_data_count; + cur_data_idx++) { + reg = readl(dp->reg_base + EXYNOS_DP_BUF_DATA_0 + + 4 * cur_data_idx); + data[start_offset + cur_data_idx] = + (unsigned char)reg; + } + + start_offset += cur_data_count; + } + + return retval; +} + +int exynos_dp_select_i2c_device(struct exynos_dp_device *dp, + unsigned int device_addr, + unsigned int reg_addr) +{ + u32 reg; + int retval; + + /* Set EDID device address */ + reg = device_addr; + writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0); + writel(0x0, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8); + writel(0x0, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16); + + /* Set offset from base address of EDID device */ + writel(reg_addr, dp->reg_base + EXYNOS_DP_BUF_DATA_0); + + /* + * Set I2C transaction and write address + * If bit 3 is 1, DisplayPort transaction. + * If Bit 3 is 0, I2C transaction. + */ + reg = AUX_TX_COMM_I2C_TRANSACTION | AUX_TX_COMM_MOT | + AUX_TX_COMM_WRITE; + writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1); + + /* Start AUX transaction */ + retval = exynos_dp_start_aux_transaction(dp); + if (retval != 0) + dev_err(dp->dev, "Aux Transaction fail!\n"); + + return retval; +} + +int exynos_dp_read_byte_from_i2c(struct exynos_dp_device *dp, + unsigned int device_addr, + unsigned int reg_addr, + unsigned int *data) +{ + u32 reg; + int i; + int retval; + + for (i = 0; i < 10; i++) { + /* Clear AUX CH data buffer */ + reg = BUF_CLR; + writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL); + + /* Select EDID device */ + retval = exynos_dp_select_i2c_device(dp, device_addr, reg_addr); + if (retval != 0) { + dev_err(dp->dev, "Select EDID device fail!\n"); + continue; + } + + /* + * Set I2C transaction and read data + * If bit 3 is 1, DisplayPort transaction. + * If Bit 3 is 0, I2C transaction. + */ + reg = AUX_TX_COMM_I2C_TRANSACTION | + AUX_TX_COMM_READ; + writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1); + + /* Start AUX transaction */ + retval = exynos_dp_start_aux_transaction(dp); + if (retval == 0) + break; + else + dev_err(dp->dev, "Aux Transaction fail!\n"); + } + + /* Read data */ + if (retval == 0) + *data = readl(dp->reg_base + EXYNOS_DP_BUF_DATA_0); + + return retval; +} + +int exynos_dp_read_bytes_from_i2c(struct exynos_dp_device *dp, + unsigned int device_addr, + unsigned int reg_addr, + unsigned int count, + unsigned char edid[]) +{ + u32 reg; + unsigned int i, j; + unsigned int cur_data_idx; + unsigned int defer = 0; + int retval = 0; + + for (i = 0; i < count; i += 16) { + for (j = 0; j < 100; j++) { + /* Clear AUX CH data buffer */ + reg = BUF_CLR; + writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL); + + /* Set normal AUX CH command */ + reg = readl(dp->reg_base + EXYNOS_DP_AUX_CH_CTL_2); + reg &= ~ADDR_ONLY; + writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_2); + + /* + * If Rx sends defer, Tx sends only reads + * request without sending addres + */ + if (!defer) + retval = exynos_dp_select_i2c_device(dp, + device_addr, reg_addr + i); + else + defer = 0; + + if (retval == 0) { + /* + * Set I2C transaction and write data + * If bit 3 is 1, DisplayPort transaction. + * If Bit 3 is 0, I2C transaction. + */ + reg = AUX_LENGTH(16) | + AUX_TX_COMM_I2C_TRANSACTION | + AUX_TX_COMM_READ; + writel(reg, dp->reg_base + + EXYNOS_DP_AUX_CH_CTL_1); + + /* Start AUX transaction */ + retval = exynos_dp_start_aux_transaction(dp); + if (retval == 0) + break; + else + dev_err(dp->dev, "Aux Transaction fail!\n"); + } + /* Check if Rx sends defer */ + reg = readl(dp->reg_base + EXYNOS_DP_AUX_RX_COMM); + if (reg == AUX_RX_COMM_AUX_DEFER || + reg == AUX_RX_COMM_I2C_DEFER) { + dev_err(dp->dev, "Defer: %d\n\n", reg); + defer = 1; + } + } + + for (cur_data_idx = 0; cur_data_idx < 16; cur_data_idx++) { + reg = readl(dp->reg_base + EXYNOS_DP_BUF_DATA_0 + + 4 * cur_data_idx); + edid[i + cur_data_idx] = (unsigned char)reg; + } + } + + return retval; +} + +void exynos_dp_set_link_bandwidth(struct exynos_dp_device *dp, u32 bwtype) +{ + u32 reg; + + reg = bwtype; + if ((bwtype == LINK_RATE_2_70GBPS) || (bwtype == LINK_RATE_1_62GBPS)) + writel(reg, dp->reg_base + EXYNOS_DP_LINK_BW_SET); +} + +void exynos_dp_get_link_bandwidth(struct exynos_dp_device *dp, u32 *bwtype) +{ + u32 reg; + + reg = readl(dp->reg_base + EXYNOS_DP_LINK_BW_SET); + *bwtype = reg; +} + +void exynos_dp_set_lane_count(struct exynos_dp_device *dp, u32 count) +{ + u32 reg; + + reg = count; + writel(reg, dp->reg_base + EXYNOS_DP_LANE_COUNT_SET); +} + +void exynos_dp_get_lane_count(struct exynos_dp_device *dp, u32 *count) +{ + u32 reg; + + reg = readl(dp->reg_base + EXYNOS_DP_LANE_COUNT_SET); + *count = reg; +} + +void exynos_dp_enable_enhanced_mode(struct exynos_dp_device *dp, bool enable) +{ + u32 reg; + + if (enable) { + reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_4); + reg |= ENHANCED; + writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_4); + } else { + reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_4); + reg &= ~ENHANCED; + writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_4); + } +} + +void exynos_dp_set_training_pattern(struct exynos_dp_device *dp, + enum pattern_set pattern) +{ + u32 reg; + + switch (pattern) { + case PRBS7: + reg = SCRAMBLING_ENABLE | LINK_QUAL_PATTERN_SET_PRBS7; + writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET); + break; + case D10_2: + reg = SCRAMBLING_ENABLE | LINK_QUAL_PATTERN_SET_D10_2; + writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET); + break; + case TRAINING_PTN1: + reg = SCRAMBLING_DISABLE | SW_TRAINING_PATTERN_SET_PTN1; + writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET); + break; + case TRAINING_PTN2: + reg = SCRAMBLING_DISABLE | SW_TRAINING_PATTERN_SET_PTN2; + writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET); + break; + case DP_NONE: + reg = SCRAMBLING_ENABLE | + LINK_QUAL_PATTERN_SET_DISABLE | + SW_TRAINING_PATTERN_SET_NORMAL; + writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET); + break; + default: + break; + } +} + +void exynos_dp_set_lane0_pre_emphasis(struct exynos_dp_device *dp, u32 level) +{ + u32 reg; + + reg = level << PRE_EMPHASIS_SET_SHIFT; + writel(reg, dp->reg_base + EXYNOS_DP_LN0_LINK_TRAINING_CTL); +} + +void exynos_dp_set_lane1_pre_emphasis(struct exynos_dp_device *dp, u32 level) +{ + u32 reg; + + reg = level << PRE_EMPHASIS_SET_SHIFT; + writel(reg, dp->reg_base + EXYNOS_DP_LN1_LINK_TRAINING_CTL); +} + +void exynos_dp_set_lane2_pre_emphasis(struct exynos_dp_device *dp, u32 level) +{ + u32 reg; + + reg = level << PRE_EMPHASIS_SET_SHIFT; + writel(reg, dp->reg_base + EXYNOS_DP_LN2_LINK_TRAINING_CTL); +} + +void exynos_dp_set_lane3_pre_emphasis(struct exynos_dp_device *dp, u32 level) +{ + u32 reg; + + reg = level << PRE_EMPHASIS_SET_SHIFT; + writel(reg, dp->reg_base + EXYNOS_DP_LN3_LINK_TRAINING_CTL); +} + +void exynos_dp_set_lane0_link_training(struct exynos_dp_device *dp, + u32 training_lane) +{ + u32 reg; + + reg = training_lane; + writel(reg, dp->reg_base + EXYNOS_DP_LN0_LINK_TRAINING_CTL); +} + +void exynos_dp_set_lane1_link_training(struct exynos_dp_device *dp, + u32 training_lane) +{ + u32 reg; + + reg = training_lane; + writel(reg, dp->reg_base + EXYNOS_DP_LN1_LINK_TRAINING_CTL); +} + +void exynos_dp_set_lane2_link_training(struct exynos_dp_device *dp, + u32 training_lane) +{ + u32 reg; + + reg = training_lane; + writel(reg, dp->reg_base + EXYNOS_DP_LN2_LINK_TRAINING_CTL); +} + +void exynos_dp_set_lane3_link_training(struct exynos_dp_device *dp, + u32 training_lane) +{ + u32 reg; + + reg = training_lane; + writel(reg, dp->reg_base + EXYNOS_DP_LN3_LINK_TRAINING_CTL); +} + +u32 exynos_dp_get_lane0_link_training(struct exynos_dp_device *dp) +{ + u32 reg; + + reg = readl(dp->reg_base + EXYNOS_DP_LN0_LINK_TRAINING_CTL); + return reg; +} + +u32 exynos_dp_get_lane1_link_training(struct exynos_dp_device *dp) +{ + u32 reg; + + reg = readl(dp->reg_base + EXYNOS_DP_LN1_LINK_TRAINING_CTL); + return reg; +} + +u32 exynos_dp_get_lane2_link_training(struct exynos_dp_device *dp) +{ + u32 reg; + + reg = readl(dp->reg_base + EXYNOS_DP_LN2_LINK_TRAINING_CTL); + return reg; +} + +u32 exynos_dp_get_lane3_link_training(struct exynos_dp_device *dp) +{ + u32 reg; + + reg = readl(dp->reg_base + EXYNOS_DP_LN3_LINK_TRAINING_CTL); + return reg; +} + +void exynos_dp_reset_macro(struct exynos_dp_device *dp) +{ + u32 reg; + + reg = readl(dp->reg_base + EXYNOS_DP_PHY_TEST); + reg |= MACRO_RST; + writel(reg, dp->reg_base + EXYNOS_DP_PHY_TEST); + + /* 10 us is the minimum reset time. */ + udelay(10); + + reg &= ~MACRO_RST; + writel(reg, dp->reg_base + EXYNOS_DP_PHY_TEST); +} + +int exynos_dp_init_video(struct exynos_dp_device *dp) +{ + u32 reg; + + reg = VSYNC_DET | VID_FORMAT_CHG | VID_CLK_CHG; + writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_1); + + reg = 0x0; + writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_1); + + reg = CHA_CRI(4) | CHA_CTRL; + writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_2); + + reg = 0x0; + writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_3); + + reg = VID_HRES_TH(2) | VID_VRES_TH(0); + writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_8); + + return 0; +} + +void exynos_dp_set_video_color_format(struct exynos_dp_device *dp, + u32 color_depth, + u32 color_space, + u32 dynamic_range, + u32 ycbcr_coeff) +{ + u32 reg; + + /* Configure the input color depth, color space, dynamic range */ + reg = (dynamic_range << IN_D_RANGE_SHIFT) | + (color_depth << IN_BPC_SHIFT) | + (color_space << IN_COLOR_F_SHIFT); + writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_2); + + /* Set Input Color YCbCr Coefficients to ITU601 or ITU709 */ + reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_3); + reg &= ~IN_YC_COEFFI_MASK; + if (ycbcr_coeff) + reg |= IN_YC_COEFFI_ITU709; + else + reg |= IN_YC_COEFFI_ITU601; + writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_3); +} + +int exynos_dp_is_slave_video_stream_clock_on(struct exynos_dp_device *dp) +{ + u32 reg; + + reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_1); + writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_1); + + reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_1); + + if (!(reg & DET_STA)) { + dev_dbg(dp->dev, "Input stream clock not detected.\n"); + return -EINVAL; + } + + reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_2); + writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_2); + + reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_2); + dev_dbg(dp->dev, "wait SYS_CTL_2.\n"); + + if (reg & CHA_STA) { + dev_dbg(dp->dev, "Input stream clk is changing\n"); + return -EINVAL; + } + + return 0; +} + +void exynos_dp_set_video_cr_mn(struct exynos_dp_device *dp, + enum clock_recovery_m_value_type type, + u32 m_value, + u32 n_value) +{ + u32 reg; + + if (type == REGISTER_M) { + reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_4); + reg |= FIX_M_VID; + writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_4); + reg = m_value & 0xff; + writel(reg, dp->reg_base + EXYNOS_DP_M_VID_0); + reg = (m_value >> 8) & 0xff; + writel(reg, dp->reg_base + EXYNOS_DP_M_VID_1); + reg = (m_value >> 16) & 0xff; + writel(reg, dp->reg_base + EXYNOS_DP_M_VID_2); + + reg = n_value & 0xff; + writel(reg, dp->reg_base + EXYNOS_DP_N_VID_0); + reg = (n_value >> 8) & 0xff; + writel(reg, dp->reg_base + EXYNOS_DP_N_VID_1); + reg = (n_value >> 16) & 0xff; + writel(reg, dp->reg_base + EXYNOS_DP_N_VID_2); + } else { + reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_4); + reg &= ~FIX_M_VID; + writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_4); + + writel(0x00, dp->reg_base + EXYNOS_DP_N_VID_0); + writel(0x80, dp->reg_base + EXYNOS_DP_N_VID_1); + writel(0x00, dp->reg_base + EXYNOS_DP_N_VID_2); + } +} + +void exynos_dp_set_video_timing_mode(struct exynos_dp_device *dp, u32 type) +{ + u32 reg; + + if (type == VIDEO_TIMING_FROM_CAPTURE) { + reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10); + reg &= ~FORMAT_SEL; + writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10); + } else { + reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10); + reg |= FORMAT_SEL; + writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10); + } +} + +void exynos_dp_enable_video_master(struct exynos_dp_device *dp, bool enable) +{ + u32 reg; + + if (enable) { + reg = readl(dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL); + reg &= ~VIDEO_MODE_MASK; + reg |= VIDEO_MASTER_MODE_EN | VIDEO_MODE_MASTER_MODE; + writel(reg, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL); + } else { + reg = readl(dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL); + reg &= ~VIDEO_MODE_MASK; + reg |= VIDEO_MODE_SLAVE_MODE; + writel(reg, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL); + } +} + +void exynos_dp_start_video(struct exynos_dp_device *dp) +{ + u32 reg; + + reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_1); + reg |= VIDEO_EN; + writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_1); +} + +int exynos_dp_is_video_stream_on(struct exynos_dp_device *dp) +{ + u32 reg; + + reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_3); + writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_3); + + reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_3); + if (!(reg & STRM_VALID)) { + dev_dbg(dp->dev, "Input video stream is not detected.\n"); + return -EINVAL; + } + + return 0; +} + +void exynos_dp_config_video_slave_mode(struct exynos_dp_device *dp, + struct video_info *video_info) +{ + u32 reg; + + reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_1); + reg &= ~(MASTER_VID_FUNC_EN_N|SLAVE_VID_FUNC_EN_N); + reg |= MASTER_VID_FUNC_EN_N; + writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_1); + + reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10); + reg &= ~INTERACE_SCAN_CFG; + reg |= (video_info->interlaced << 2); + writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10); + + reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10); + reg &= ~VSYNC_POLARITY_CFG; + reg |= (video_info->v_sync_polarity << 1); + writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10); + + reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10); + reg &= ~HSYNC_POLARITY_CFG; + reg |= (video_info->h_sync_polarity << 0); + writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10); + + reg = AUDIO_MODE_SPDIF_MODE | VIDEO_MODE_SLAVE_MODE; + writel(reg, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL); +} + +void exynos_dp_enable_scrambling(struct exynos_dp_device *dp) +{ + u32 reg; + + reg = readl(dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET); + reg &= ~SCRAMBLING_DISABLE; + writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET); +} + +void exynos_dp_disable_scrambling(struct exynos_dp_device *dp) +{ + u32 reg; + + reg = readl(dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET); + reg |= SCRAMBLING_DISABLE; + writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET); +} diff --git a/drivers/video/exynos/exynos_dp_reg.h b/drivers/video/exynos/exynos_dp_reg.h new file mode 100644 index 0000000..42f608e --- /dev/null +++ b/drivers/video/exynos/exynos_dp_reg.h @@ -0,0 +1,335 @@ +/* + * Register definition file for Samsung DP driver + * + * Copyright (C) 2012 Samsung Electronics Co., Ltd. + * Author: Jingoo Han <jg1.han@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef _EXYNOS_DP_REG_H +#define _EXYNOS_DP_REG_H + +#define EXYNOS_DP_TX_SW_RESET 0x14 +#define EXYNOS_DP_FUNC_EN_1 0x18 +#define EXYNOS_DP_FUNC_EN_2 0x1C +#define EXYNOS_DP_VIDEO_CTL_1 0x20 +#define EXYNOS_DP_VIDEO_CTL_2 0x24 +#define EXYNOS_DP_VIDEO_CTL_3 0x28 + +#define EXYNOS_DP_VIDEO_CTL_8 0x3C +#define EXYNOS_DP_VIDEO_CTL_10 0x44 + +#define EXYNOS_DP_LANE_MAP 0x35C + +#define EXYNOS_DP_AUX_HW_RETRY_CTL 0x390 + +#define EXYNOS_DP_COMMON_INT_STA_1 0x3C4 +#define EXYNOS_DP_COMMON_INT_STA_2 0x3C8 +#define EXYNOS_DP_COMMON_INT_STA_3 0x3CC +#define EXYNOS_DP_COMMON_INT_STA_4 0x3D0 +#define EXYNOS_DP_INT_STA 0x3DC +#define EXYNOS_DP_COMMON_INT_MASK_1 0x3E0 +#define EXYNOS_DP_COMMON_INT_MASK_2 0x3E4 +#define EXYNOS_DP_COMMON_INT_MASK_3 0x3E8 +#define EXYNOS_DP_COMMON_INT_MASK_4 0x3EC +#define EXYNOS_DP_INT_STA_MASK 0x3F8 +#define EXYNOS_DP_INT_CTL 0x3FC + +#define EXYNOS_DP_SYS_CTL_1 0x600 +#define EXYNOS_DP_SYS_CTL_2 0x604 +#define EXYNOS_DP_SYS_CTL_3 0x608 +#define EXYNOS_DP_SYS_CTL_4 0x60C + +#define EXYNOS_DP_PKT_SEND_CTL 0x640 +#define EXYNOS_DP_HDCP_CTL 0x648 + +#define EXYNOS_DP_LINK_BW_SET 0x680 +#define EXYNOS_DP_LANE_COUNT_SET 0x684 +#define EXYNOS_DP_TRAINING_PTN_SET 0x688 +#define EXYNOS_DP_LN0_LINK_TRAINING_CTL 0x68C +#define EXYNOS_DP_LN1_LINK_TRAINING_CTL 0x690 +#define EXYNOS_DP_LN2_LINK_TRAINING_CTL 0x694 +#define EXYNOS_DP_LN3_LINK_TRAINING_CTL 0x698 + +#define EXYNOS_DP_DEBUG_CTL 0x6C0 +#define EXYNOS_DP_HPD_DEGLITCH_L 0x6C4 +#define EXYNOS_DP_HPD_DEGLITCH_H 0x6C8 +#define EXYNOS_DP_LINK_DEBUG_CTL 0x6E0 + +#define EXYNOS_DP_M_VID_0 0x700 +#define EXYNOS_DP_M_VID_1 0x704 +#define EXYNOS_DP_M_VID_2 0x708 +#define EXYNOS_DP_N_VID_0 0x70C +#define EXYNOS_DP_N_VID_1 0x710 +#define EXYNOS_DP_N_VID_2 0x714 + +#define EXYNOS_DP_PLL_CTL 0x71C +#define EXYNOS_DP_PHY_PD 0x720 +#define EXYNOS_DP_PHY_TEST 0x724 + +#define EXYNOS_DP_VIDEO_FIFO_THRD 0x730 +#define EXYNOS_DP_AUDIO_MARGIN 0x73C + +#define EXYNOS_DP_M_VID_GEN_FILTER_TH 0x764 +#define EXYNOS_DP_M_AUD_GEN_FILTER_TH 0x778 +#define EXYNOS_DP_AUX_CH_STA 0x780 +#define EXYNOS_DP_AUX_CH_DEFER_CTL 0x788 +#define EXYNOS_DP_AUX_RX_COMM 0x78C +#define EXYNOS_DP_BUFFER_DATA_CTL 0x790 +#define EXYNOS_DP_AUX_CH_CTL_1 0x794 +#define EXYNOS_DP_AUX_ADDR_7_0 0x798 +#define EXYNOS_DP_AUX_ADDR_15_8 0x79C +#define EXYNOS_DP_AUX_ADDR_19_16 0x7A0 +#define EXYNOS_DP_AUX_CH_CTL_2 0x7A4 + +#define EXYNOS_DP_BUF_DATA_0 0x7C0 + +#define EXYNOS_DP_SOC_GENERAL_CTL 0x800 + +/* EXYNOS_DP_TX_SW_RESET */ +#define RESET_DP_TX (0x1 << 0) + +/* EXYNOS_DP_FUNC_EN_1 */ +#define MASTER_VID_FUNC_EN_N (0x1 << 7) +#define SLAVE_VID_FUNC_EN_N (0x1 << 5) +#define AUD_FIFO_FUNC_EN_N (0x1 << 4) +#define AUD_FUNC_EN_N (0x1 << 3) +#define HDCP_FUNC_EN_N (0x1 << 2) +#define CRC_FUNC_EN_N (0x1 << 1) +#define SW_FUNC_EN_N (0x1 << 0) + +/* EXYNOS_DP_FUNC_EN_2 */ +#define SSC_FUNC_EN_N (0x1 << 7) +#define AUX_FUNC_EN_N (0x1 << 2) +#define SERDES_FIFO_FUNC_EN_N (0x1 << 1) +#define LS_CLK_DOMAIN_FUNC_EN_N (0x1 << 0) + +/* EXYNOS_DP_VIDEO_CTL_1 */ +#define VIDEO_EN (0x1 << 7) +#define HDCP_VIDEO_MUTE (0x1 << 6) + +/* EXYNOS_DP_VIDEO_CTL_1 */ +#define IN_D_RANGE_MASK (0x1 << 7) +#define IN_D_RANGE_SHIFT (7) +#define IN_D_RANGE_CEA (0x1 << 7) +#define IN_D_RANGE_VESA (0x0 << 7) +#define IN_BPC_MASK (0x7 << 4) +#define IN_BPC_SHIFT (4) +#define IN_BPC_12_BITS (0x3 << 4) +#define IN_BPC_10_BITS (0x2 << 4) +#define IN_BPC_8_BITS (0x1 << 4) +#define IN_BPC_6_BITS (0x0 << 4) +#define IN_COLOR_F_MASK (0x3 << 0) +#define IN_COLOR_F_SHIFT (0) +#define IN_COLOR_F_YCBCR444 (0x2 << 0) +#define IN_COLOR_F_YCBCR422 (0x1 << 0) +#define IN_COLOR_F_RGB (0x0 << 0) + +/* EXYNOS_DP_VIDEO_CTL_3 */ +#define IN_YC_COEFFI_MASK (0x1 << 7) +#define IN_YC_COEFFI_SHIFT (7) +#define IN_YC_COEFFI_ITU709 (0x1 << 7) +#define IN_YC_COEFFI_ITU601 (0x0 << 7) +#define VID_CHK_UPDATE_TYPE_MASK (0x1 << 4) +#define VID_CHK_UPDATE_TYPE_SHIFT (4) +#define VID_CHK_UPDATE_TYPE_1 (0x1 << 4) +#define VID_CHK_UPDATE_TYPE_0 (0x0 << 4) + +/* EXYNOS_DP_VIDEO_CTL_8 */ +#define VID_HRES_TH(x) (((x) & 0xf) << 4) +#define VID_VRES_TH(x) (((x) & 0xf) << 0) + +/* EXYNOS_DP_VIDEO_CTL_10 */ +#define FORMAT_SEL (0x1 << 4) +#define INTERACE_SCAN_CFG (0x1 << 2) +#define VSYNC_POLARITY_CFG (0x1 << 1) +#define HSYNC_POLARITY_CFG (0x1 << 0) + +/* EXYNOS_DP_LANE_MAP */ +#define LANE3_MAP_LOGIC_LANE_0 (0x0 << 6) +#define LANE3_MAP_LOGIC_LANE_1 (0x1 << 6) +#define LANE3_MAP_LOGIC_LANE_2 (0x2 << 6) +#define LANE3_MAP_LOGIC_LANE_3 (0x3 << 6) +#define LANE2_MAP_LOGIC_LANE_0 (0x0 << 4) +#define LANE2_MAP_LOGIC_LANE_1 (0x1 << 4) +#define LANE2_MAP_LOGIC_LANE_2 (0x2 << 4) +#define LANE2_MAP_LOGIC_LANE_3 (0x3 << 4) +#define LANE1_MAP_LOGIC_LANE_0 (0x0 << 2) +#define LANE1_MAP_LOGIC_LANE_1 (0x1 << 2) +#define LANE1_MAP_LOGIC_LANE_2 (0x2 << 2) +#define LANE1_MAP_LOGIC_LANE_3 (0x3 << 2) +#define LANE0_MAP_LOGIC_LANE_0 (0x0 << 0) +#define LANE0_MAP_LOGIC_LANE_1 (0x1 << 0) +#define LANE0_MAP_LOGIC_LANE_2 (0x2 << 0) +#define LANE0_MAP_LOGIC_LANE_3 (0x3 << 0) + +/* EXYNOS_DP_AUX_HW_RETRY_CTL */ +#define AUX_BIT_PERIOD_EXPECTED_DELAY(x) (((x) & 0x7) << 8) +#define AUX_HW_RETRY_INTERVAL_MASK (0x3 << 3) +#define AUX_HW_RETRY_INTERVAL_600_MICROSECONDS (0x0 << 3) +#define AUX_HW_RETRY_INTERVAL_800_MICROSECONDS (0x1 << 3) +#define AUX_HW_RETRY_INTERVAL_1000_MICROSECONDS (0x2 << 3) +#define AUX_HW_RETRY_INTERVAL_1800_MICROSECONDS (0x3 << 3) +#define AUX_HW_RETRY_COUNT_SEL(x) (((x) & 0x7) << 0) + +/* EXYNOS_DP_COMMON_INT_STA_1 */ +#define VSYNC_DET (0x1 << 7) +#define PLL_LOCK_CHG (0x1 << 6) +#define SPDIF_ERR (0x1 << 5) +#define SPDIF_UNSTBL (0x1 << 4) +#define VID_FORMAT_CHG (0x1 << 3) +#define AUD_CLK_CHG (0x1 << 2) +#define VID_CLK_CHG (0x1 << 1) +#define SW_INT (0x1 << 0) + +/* EXYNOS_DP_COMMON_INT_STA_2 */ +#define ENC_EN_CHG (0x1 << 6) +#define HW_BKSV_RDY (0x1 << 3) +#define HW_SHA_DONE (0x1 << 2) +#define HW_AUTH_STATE_CHG (0x1 << 1) +#define HW_AUTH_DONE (0x1 << 0) + +/* EXYNOS_DP_COMMON_INT_STA_3 */ +#define AFIFO_UNDER (0x1 << 7) +#define AFIFO_OVER (0x1 << 6) +#define R0_CHK_FLAG (0x1 << 5) + +/* EXYNOS_DP_COMMON_INT_STA_4 */ +#define PSR_ACTIVE (0x1 << 7) +#define PSR_INACTIVE (0x1 << 6) +#define SPDIF_BI_PHASE_ERR (0x1 << 5) +#define HOTPLUG_CHG (0x1 << 2) +#define HPD_LOST (0x1 << 1) +#define PLUG (0x1 << 0) + +/* EXYNOS_DP_INT_STA */ +#define INT_HPD (0x1 << 6) +#define HW_TRAINING_FINISH (0x1 << 5) +#define RPLY_RECEIV (0x1 << 1) +#define AUX_ERR (0x1 << 0) + +/* EXYNOS_DP_INT_CTL */ +#define SOFT_INT_CTRL (0x1 << 2) +#define INT_POL (0x1 << 0) + +/* EXYNOS_DP_SYS_CTL_1 */ +#define DET_STA (0x1 << 2) +#define FORCE_DET (0x1 << 1) +#define DET_CTRL (0x1 << 0) + +/* EXYNOS_DP_SYS_CTL_2 */ +#define CHA_CRI(x) (((x) & 0xf) << 4) +#define CHA_STA (0x1 << 2) +#define FORCE_CHA (0x1 << 1) +#define CHA_CTRL (0x1 << 0) + +/* EXYNOS_DP_SYS_CTL_3 */ +#define HPD_STATUS (0x1 << 6) +#define F_HPD (0x1 << 5) +#define HPD_CTRL (0x1 << 4) +#define HDCP_RDY (0x1 << 3) +#define STRM_VALID (0x1 << 2) +#define F_VALID (0x1 << 1) +#define VALID_CTRL (0x1 << 0) + +/* EXYNOS_DP_SYS_CTL_4 */ +#define FIX_M_AUD (0x1 << 4) +#define ENHANCED (0x1 << 3) +#define FIX_M_VID (0x1 << 2) +#define M_VID_UPDATE_CTRL (0x3 << 0) + +/* EXYNOS_DP_TRAINING_PTN_SET */ +#define SCRAMBLER_TYPE (0x1 << 9) +#define HW_LINK_TRAINING_PATTERN (0x1 << 8) +#define SCRAMBLING_DISABLE (0x1 << 5) +#define SCRAMBLING_ENABLE (0x0 << 5) +#define LINK_QUAL_PATTERN_SET_MASK (0x3 << 2) +#define LINK_QUAL_PATTERN_SET_PRBS7 (0x3 << 2) +#define LINK_QUAL_PATTERN_SET_D10_2 (0x1 << 2) +#define LINK_QUAL_PATTERN_SET_DISABLE (0x0 << 2) +#define SW_TRAINING_PATTERN_SET_MASK (0x3 << 0) +#define SW_TRAINING_PATTERN_SET_PTN2 (0x2 << 0) +#define SW_TRAINING_PATTERN_SET_PTN1 (0x1 << 0) +#define SW_TRAINING_PATTERN_SET_NORMAL (0x0 << 0) + +/* EXYNOS_DP_LN0_LINK_TRAINING_CTL */ +#define PRE_EMPHASIS_SET_SHIFT (3) + +/* EXYNOS_DP_DEBUG_CTL */ +#define PLL_LOCK (0x1 << 4) +#define F_PLL_LOCK (0x1 << 3) +#define PLL_LOCK_CTRL (0x1 << 2) +#define PN_INV (0x1 << 0) + +/* EXYNOS_DP_PLL_CTL */ +#define DP_PLL_PD (0x1 << 7) +#define DP_PLL_RESET (0x1 << 6) +#define DP_PLL_LOOP_BIT_DEFAULT (0x1 << 4) +#define DP_PLL_REF_BIT_1_1250V (0x5 << 0) +#define DP_PLL_REF_BIT_1_2500V (0x7 << 0) + +/* EXYNOS_DP_PHY_PD */ +#define DP_PHY_PD (0x1 << 5) +#define AUX_PD (0x1 << 4) +#define CH3_PD (0x1 << 3) +#define CH2_PD (0x1 << 2) +#define CH1_PD (0x1 << 1) +#define CH0_PD (0x1 << 0) + +/* EXYNOS_DP_PHY_TEST */ +#define MACRO_RST (0x1 << 5) +#define CH1_TEST (0x1 << 1) +#define CH0_TEST (0x1 << 0) + +/* EXYNOS_DP_AUX_CH_STA */ +#define AUX_BUSY (0x1 << 4) +#define AUX_STATUS_MASK (0xf << 0) + +/* EXYNOS_DP_AUX_CH_DEFER_CTL */ +#define DEFER_CTRL_EN (0x1 << 7) +#define DEFER_COUNT(x) (((x) & 0x7f) << 0) + +/* EXYNOS_DP_AUX_RX_COMM */ +#define AUX_RX_COMM_I2C_DEFER (0x2 << 2) +#define AUX_RX_COMM_AUX_DEFER (0x2 << 0) + +/* EXYNOS_DP_BUFFER_DATA_CTL */ +#define BUF_CLR (0x1 << 7) +#define BUF_DATA_COUNT(x) (((x) & 0x1f) << 0) + +/* EXYNOS_DP_AUX_CH_CTL_1 */ +#define AUX_LENGTH(x) (((x - 1) & 0xf) << 4) +#define AUX_TX_COMM_MASK (0xf << 0) +#define AUX_TX_COMM_DP_TRANSACTION (0x1 << 3) +#define AUX_TX_COMM_I2C_TRANSACTION (0x0 << 3) +#define AUX_TX_COMM_MOT (0x1 << 2) +#define AUX_TX_COMM_WRITE (0x0 << 0) +#define AUX_TX_COMM_READ (0x1 << 0) + +/* EXYNOS_DP_AUX_ADDR_7_0 */ +#define AUX_ADDR_7_0(x) (((x) >> 0) & 0xff) + +/* EXYNOS_DP_AUX_ADDR_15_8 */ +#define AUX_ADDR_15_8(x) (((x) >> 8) & 0xff) + +/* EXYNOS_DP_AUX_ADDR_19_16 */ +#define AUX_ADDR_19_16(x) (((x) >> 16) & 0x0f) + +/* EXYNOS_DP_AUX_CH_CTL_2 */ +#define ADDR_ONLY (0x1 << 1) +#define AUX_EN (0x1 << 0) + +/* EXYNOS_DP_SOC_GENERAL_CTL */ +#define AUDIO_MODE_SPDIF_MODE (0x1 << 8) +#define AUDIO_MODE_MASTER_MODE (0x0 << 8) +#define MASTER_VIDEO_INTERLACE_EN (0x1 << 4) +#define VIDEO_MASTER_CLK_SEL (0x1 << 2) +#define VIDEO_MASTER_MODE_EN (0x1 << 1) +#define VIDEO_MODE_MASK (0x1 << 0) +#define VIDEO_MODE_SLAVE_MODE (0x1 << 0) +#define VIDEO_MODE_MASTER_MODE (0x0 << 0) + +#endif /* _EXYNOS_DP_REG_H */ diff --git a/drivers/video/exynos/exynos_mipi_dsi.c b/drivers/video/exynos/exynos_mipi_dsi.c new file mode 100644 index 0000000..557091d --- /dev/null +++ b/drivers/video/exynos/exynos_mipi_dsi.c @@ -0,0 +1,600 @@ +/* linux/drivers/video/exynos/exynos_mipi_dsi.c + * + * Samsung SoC MIPI-DSIM driver. + * + * Copyright (c) 2012 Samsung Electronics Co., Ltd + * + * InKi Dae, <inki.dae@samsung.com> + * Donghwa Lee, <dh09.lee@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/clk.h> +#include <linux/mutex.h> +#include <linux/wait.h> +#include <linux/fs.h> +#include <linux/mm.h> +#include <linux/fb.h> +#include <linux/ctype.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/memory.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/kthread.h> +#include <linux/notifier.h> +#include <linux/regulator/consumer.h> +#include <linux/pm_runtime.h> + +#include <video/exynos_mipi_dsim.h> + +#include <plat/fb.h> + +#include "exynos_mipi_dsi_common.h" +#include "exynos_mipi_dsi_lowlevel.h" + +struct mipi_dsim_ddi { + int bus_id; + struct list_head list; + struct mipi_dsim_lcd_device *dsim_lcd_dev; + struct mipi_dsim_lcd_driver *dsim_lcd_drv; +}; + +static LIST_HEAD(dsim_ddi_list); + +static DEFINE_MUTEX(mipi_dsim_lock); + +static struct mipi_dsim_platform_data *to_dsim_plat(struct platform_device + *pdev) +{ + return pdev->dev.platform_data; +} + +static struct regulator_bulk_data supplies[] = { + { .supply = "vdd10", }, + { .supply = "vdd18", }, +}; + +static int exynos_mipi_regulator_enable(struct mipi_dsim_device *dsim) +{ + int ret; + + mutex_lock(&dsim->lock); + ret = regulator_bulk_enable(ARRAY_SIZE(supplies), supplies); + mutex_unlock(&dsim->lock); + + return ret; +} + +static int exynos_mipi_regulator_disable(struct mipi_dsim_device *dsim) +{ + int ret; + + mutex_lock(&dsim->lock); + ret = regulator_bulk_disable(ARRAY_SIZE(supplies), supplies); + mutex_unlock(&dsim->lock); + + return ret; +} + +/* update all register settings to MIPI DSI controller. */ +static void exynos_mipi_update_cfg(struct mipi_dsim_device *dsim) +{ + /* + * data from Display controller(FIMD) is not transferred in video mode + * but in case of command mode, all settings is not updated to + * registers. + */ + exynos_mipi_dsi_stand_by(dsim, 0); + + exynos_mipi_dsi_init_dsim(dsim); + exynos_mipi_dsi_init_link(dsim); + + exynos_mipi_dsi_set_hs_enable(dsim); + + /* set display timing. */ + exynos_mipi_dsi_set_display_mode(dsim, dsim->dsim_config); + + /* + * data from Display controller(FIMD) is transferred in video mode + * but in case of command mode, all settigs is updated to registers. + */ + exynos_mipi_dsi_stand_by(dsim, 1); +} + +static int exynos_mipi_dsi_early_blank_mode(struct mipi_dsim_device *dsim, + int power) +{ + struct mipi_dsim_lcd_driver *client_drv = dsim->dsim_lcd_drv; + struct mipi_dsim_lcd_device *client_dev = dsim->dsim_lcd_dev; + + switch (power) { + case FB_BLANK_POWERDOWN: + if (dsim->suspended) + return 0; + + if (client_drv && client_drv->suspend) + client_drv->suspend(client_dev); + + clk_disable(dsim->clock); + + exynos_mipi_regulator_disable(dsim); + + dsim->suspended = true; + + break; + default: + break; + } + + return 0; +} + +static int exynos_mipi_dsi_blank_mode(struct mipi_dsim_device *dsim, int power) +{ + struct platform_device *pdev = to_platform_device(dsim->dev); + struct mipi_dsim_lcd_driver *client_drv = dsim->dsim_lcd_drv; + struct mipi_dsim_lcd_device *client_dev = dsim->dsim_lcd_dev; + + switch (power) { + case FB_BLANK_UNBLANK: + if (!dsim->suspended) + return 0; + + /* lcd panel power on. */ + if (client_drv && client_drv->power_on) + client_drv->power_on(client_dev, 1); + + exynos_mipi_regulator_disable(dsim); + + /* enable MIPI-DSI PHY. */ + if (dsim->pd->phy_enable) + dsim->pd->phy_enable(pdev, true); + + clk_enable(dsim->clock); + + exynos_mipi_update_cfg(dsim); + + /* set lcd panel sequence commands. */ + if (client_drv && client_drv->set_sequence) + client_drv->set_sequence(client_dev); + + dsim->suspended = false; + + break; + case FB_BLANK_NORMAL: + /* TODO. */ + break; + default: + break; + } + + return 0; +} + +int exynos_mipi_dsi_register_lcd_device(struct mipi_dsim_lcd_device *lcd_dev) +{ + struct mipi_dsim_ddi *dsim_ddi; + + if (!lcd_dev->name) { + pr_err("dsim_lcd_device name is NULL.\n"); + return -EFAULT; + } + + dsim_ddi = kzalloc(sizeof(struct mipi_dsim_ddi), GFP_KERNEL); + if (!dsim_ddi) { + pr_err("failed to allocate dsim_ddi object.\n"); + return -ENOMEM; + } + + dsim_ddi->dsim_lcd_dev = lcd_dev; + + mutex_lock(&mipi_dsim_lock); + list_add_tail(&dsim_ddi->list, &dsim_ddi_list); + mutex_unlock(&mipi_dsim_lock); + + return 0; +} + +struct mipi_dsim_ddi *exynos_mipi_dsi_find_lcd_device(struct mipi_dsim_lcd_driver *lcd_drv) +{ + struct mipi_dsim_ddi *dsim_ddi, *next; + struct mipi_dsim_lcd_device *lcd_dev; + + mutex_lock(&mipi_dsim_lock); + + list_for_each_entry_safe(dsim_ddi, next, &dsim_ddi_list, list) { + if (!dsim_ddi) + goto out; + + lcd_dev = dsim_ddi->dsim_lcd_dev; + if (!lcd_dev) + continue; + + if ((strcmp(lcd_drv->name, lcd_dev->name)) == 0) { + /** + * bus_id would be used to identify + * connected bus. + */ + dsim_ddi->bus_id = lcd_dev->bus_id; + mutex_unlock(&mipi_dsim_lock); + + return dsim_ddi; + } + + list_del(&dsim_ddi->list); + kfree(dsim_ddi); + } + +out: + mutex_unlock(&mipi_dsim_lock); + + return NULL; +} + +int exynos_mipi_dsi_register_lcd_driver(struct mipi_dsim_lcd_driver *lcd_drv) +{ + struct mipi_dsim_ddi *dsim_ddi; + + if (!lcd_drv->name) { + pr_err("dsim_lcd_driver name is NULL.\n"); + return -EFAULT; + } + + dsim_ddi = exynos_mipi_dsi_find_lcd_device(lcd_drv); + if (!dsim_ddi) { + pr_err("mipi_dsim_ddi object not found.\n"); + return -EFAULT; + } + + dsim_ddi->dsim_lcd_drv = lcd_drv; + + pr_info("registered panel driver(%s) to mipi-dsi driver.\n", + lcd_drv->name); + + return 0; + +} + +struct mipi_dsim_ddi *exynos_mipi_dsi_bind_lcd_ddi(struct mipi_dsim_device *dsim, + const char *name) +{ + struct mipi_dsim_ddi *dsim_ddi, *next; + struct mipi_dsim_lcd_driver *lcd_drv; + struct mipi_dsim_lcd_device *lcd_dev; + int ret; + + mutex_lock(&dsim->lock); + + list_for_each_entry_safe(dsim_ddi, next, &dsim_ddi_list, list) { + lcd_drv = dsim_ddi->dsim_lcd_drv; + lcd_dev = dsim_ddi->dsim_lcd_dev; + if (!lcd_drv || !lcd_dev || + (dsim->id != dsim_ddi->bus_id)) + continue; + + dev_dbg(dsim->dev, "lcd_drv->id = %d, lcd_dev->id = %d\n", + lcd_drv->id, lcd_dev->id); + dev_dbg(dsim->dev, "lcd_dev->bus_id = %d, dsim->id = %d\n", + lcd_dev->bus_id, dsim->id); + + if ((strcmp(lcd_drv->name, name) == 0)) { + lcd_dev->master = dsim; + + lcd_dev->dev.parent = dsim->dev; + dev_set_name(&lcd_dev->dev, "%s", lcd_drv->name); + + ret = device_register(&lcd_dev->dev); + if (ret < 0) { + dev_err(dsim->dev, + "can't register %s, status %d\n", + dev_name(&lcd_dev->dev), ret); + mutex_unlock(&dsim->lock); + + return NULL; + } + + dsim->dsim_lcd_dev = lcd_dev; + dsim->dsim_lcd_drv = lcd_drv; + + mutex_unlock(&dsim->lock); + + return dsim_ddi; + } + } + + mutex_unlock(&dsim->lock); + + return NULL; +} + +/* define MIPI-DSI Master operations. */ +static struct mipi_dsim_master_ops master_ops = { + .cmd_read = exynos_mipi_dsi_rd_data, + .cmd_write = exynos_mipi_dsi_wr_data, + .get_dsim_frame_done = exynos_mipi_dsi_get_frame_done_status, + .clear_dsim_frame_done = exynos_mipi_dsi_clear_frame_done, + .set_early_blank_mode = exynos_mipi_dsi_early_blank_mode, + .set_blank_mode = exynos_mipi_dsi_blank_mode, +}; + +static int exynos_mipi_dsi_probe(struct platform_device *pdev) +{ + struct resource *res; + struct mipi_dsim_device *dsim; + struct mipi_dsim_config *dsim_config; + struct mipi_dsim_platform_data *dsim_pd; + struct mipi_dsim_ddi *dsim_ddi; + int ret = -EINVAL; + + dsim = kzalloc(sizeof(struct mipi_dsim_device), GFP_KERNEL); + if (!dsim) { + dev_err(&pdev->dev, "failed to allocate dsim object.\n"); + return -ENOMEM; + } + + dsim->pd = to_dsim_plat(pdev); + dsim->dev = &pdev->dev; + dsim->id = pdev->id; + + /* get mipi_dsim_platform_data. */ + dsim_pd = (struct mipi_dsim_platform_data *)dsim->pd; + if (dsim_pd == NULL) { + dev_err(&pdev->dev, "failed to get platform data for dsim.\n"); + goto err_clock_get; + } + /* get mipi_dsim_config. */ + dsim_config = dsim_pd->dsim_config; + if (dsim_config == NULL) { + dev_err(&pdev->dev, "failed to get dsim config data.\n"); + goto err_clock_get; + } + + dsim->dsim_config = dsim_config; + dsim->master_ops = &master_ops; + + mutex_init(&dsim->lock); + + ret = regulator_bulk_get(&pdev->dev, ARRAY_SIZE(supplies), supplies); + if (ret) { + dev_err(&pdev->dev, "Failed to get regulators: %d\n", ret); + goto err_clock_get; + } + + dsim->clock = clk_get(&pdev->dev, "dsim0"); + if (IS_ERR(dsim->clock)) { + dev_err(&pdev->dev, "failed to get dsim clock source\n"); + goto err_clock_get; + } + + clk_enable(dsim->clock); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "failed to get io memory region\n"); + goto err_platform_get; + } + + dsim->res = request_mem_region(res->start, resource_size(res), + dev_name(&pdev->dev)); + if (!dsim->res) { + dev_err(&pdev->dev, "failed to request io memory region\n"); + ret = -ENOMEM; + goto err_mem_region; + } + + dsim->reg_base = ioremap(res->start, resource_size(res)); + if (!dsim->reg_base) { + dev_err(&pdev->dev, "failed to remap io region\n"); + ret = -ENOMEM; + goto err_ioremap; + } + + mutex_init(&dsim->lock); + + /* bind lcd ddi matched with panel name. */ + dsim_ddi = exynos_mipi_dsi_bind_lcd_ddi(dsim, dsim_pd->lcd_panel_name); + if (!dsim_ddi) { + dev_err(&pdev->dev, "mipi_dsim_ddi object not found.\n"); + goto err_bind; + } + + dsim->irq = platform_get_irq(pdev, 0); + if (dsim->irq < 0) { + dev_err(&pdev->dev, "failed to request dsim irq resource\n"); + ret = -EINVAL; + goto err_platform_get_irq; + } + + ret = request_irq(dsim->irq, exynos_mipi_dsi_interrupt_handler, + IRQF_SHARED, pdev->name, dsim); + if (ret != 0) { + dev_err(&pdev->dev, "failed to request dsim irq\n"); + ret = -EINVAL; + goto err_bind; + } + + init_completion(&dsim_wr_comp); + init_completion(&dsim_rd_comp); + + /* enable interrupt */ + exynos_mipi_dsi_init_interrupt(dsim); + + /* initialize mipi-dsi client(lcd panel). */ + if (dsim_ddi->dsim_lcd_drv && dsim_ddi->dsim_lcd_drv->probe) + dsim_ddi->dsim_lcd_drv->probe(dsim_ddi->dsim_lcd_dev); + + /* in case that mipi got enabled at bootloader. */ + if (dsim_pd->enabled) + goto out; + + /* lcd panel power on. */ + if (dsim_ddi->dsim_lcd_drv && dsim_ddi->dsim_lcd_drv->power_on) + dsim_ddi->dsim_lcd_drv->power_on(dsim_ddi->dsim_lcd_dev, 1); + + exynos_mipi_regulator_enable(dsim); + + /* enable MIPI-DSI PHY. */ + if (dsim->pd->phy_enable) + dsim->pd->phy_enable(pdev, true); + + exynos_mipi_update_cfg(dsim); + + /* set lcd panel sequence commands. */ + if (dsim_ddi->dsim_lcd_drv && dsim_ddi->dsim_lcd_drv->set_sequence) + dsim_ddi->dsim_lcd_drv->set_sequence(dsim_ddi->dsim_lcd_dev); + + dsim->suspended = false; + +out: + platform_set_drvdata(pdev, dsim); + + dev_dbg(&pdev->dev, "mipi-dsi driver(%s mode) has been probed.\n", + (dsim_config->e_interface == DSIM_COMMAND) ? + "CPU" : "RGB"); + + return 0; + +err_bind: + iounmap(dsim->reg_base); + +err_ioremap: + release_mem_region(dsim->res->start, resource_size(dsim->res)); + +err_mem_region: + release_resource(dsim->res); + +err_platform_get: + clk_disable(dsim->clock); + clk_put(dsim->clock); +err_clock_get: + kfree(dsim); + +err_platform_get_irq: + return ret; +} + +static int __devexit exynos_mipi_dsi_remove(struct platform_device *pdev) +{ + struct mipi_dsim_device *dsim = platform_get_drvdata(pdev); + struct mipi_dsim_ddi *dsim_ddi, *next; + struct mipi_dsim_lcd_driver *dsim_lcd_drv; + + iounmap(dsim->reg_base); + + clk_disable(dsim->clock); + clk_put(dsim->clock); + + release_resource(dsim->res); + release_mem_region(dsim->res->start, resource_size(dsim->res)); + + list_for_each_entry_safe(dsim_ddi, next, &dsim_ddi_list, list) { + if (dsim_ddi) { + if (dsim->id != dsim_ddi->bus_id) + continue; + + dsim_lcd_drv = dsim_ddi->dsim_lcd_drv; + + if (dsim_lcd_drv->remove) + dsim_lcd_drv->remove(dsim_ddi->dsim_lcd_dev); + + kfree(dsim_ddi); + } + } + + regulator_bulk_free(ARRAY_SIZE(supplies), supplies); + kfree(dsim); + + return 0; +} + +#ifdef CONFIG_PM +static int exynos_mipi_dsi_suspend(struct platform_device *pdev, + pm_message_t state) +{ + struct mipi_dsim_device *dsim = platform_get_drvdata(pdev); + struct mipi_dsim_lcd_driver *client_drv = dsim->dsim_lcd_drv; + struct mipi_dsim_lcd_device *client_dev = dsim->dsim_lcd_dev; + + disable_irq(dsim->irq); + + if (dsim->suspended) + return 0; + + if (client_drv && client_drv->suspend) + client_drv->suspend(client_dev); + + /* enable MIPI-DSI PHY. */ + if (dsim->pd->phy_enable) + dsim->pd->phy_enable(pdev, false); + + clk_disable(dsim->clock); + + exynos_mipi_regulator_disable(dsim); + + dsim->suspended = true; + + return 0; +} + +static int exynos_mipi_dsi_resume(struct platform_device *pdev) +{ + struct mipi_dsim_device *dsim = platform_get_drvdata(pdev); + struct mipi_dsim_lcd_driver *client_drv = dsim->dsim_lcd_drv; + struct mipi_dsim_lcd_device *client_dev = dsim->dsim_lcd_dev; + + enable_irq(dsim->irq); + + if (!dsim->suspended) + return 0; + + /* lcd panel power on. */ + if (client_drv && client_drv->power_on) + client_drv->power_on(client_dev, 1); + + exynos_mipi_regulator_enable(dsim); + + /* enable MIPI-DSI PHY. */ + if (dsim->pd->phy_enable) + dsim->pd->phy_enable(pdev, true); + + clk_enable(dsim->clock); + + exynos_mipi_update_cfg(dsim); + + /* set lcd panel sequence commands. */ + if (client_drv && client_drv->set_sequence) + client_drv->set_sequence(client_dev); + + dsim->suspended = false; + + return 0; +} +#else +#define exynos_mipi_dsi_suspend NULL +#define exynos_mipi_dsi_resume NULL +#endif + +static struct platform_driver exynos_mipi_dsi_driver = { + .probe = exynos_mipi_dsi_probe, + .remove = __devexit_p(exynos_mipi_dsi_remove), + .suspend = exynos_mipi_dsi_suspend, + .resume = exynos_mipi_dsi_resume, + .driver = { + .name = "exynos-mipi-dsim", + .owner = THIS_MODULE, + }, +}; + +module_platform_driver(exynos_mipi_dsi_driver); + +MODULE_AUTHOR("InKi Dae <inki.dae@samsung.com>"); +MODULE_DESCRIPTION("Samusung SoC MIPI-DSI driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/exynos/exynos_mipi_dsi_common.c b/drivers/video/exynos/exynos_mipi_dsi_common.c new file mode 100644 index 0000000..14909c1 --- /dev/null +++ b/drivers/video/exynos/exynos_mipi_dsi_common.c @@ -0,0 +1,896 @@ +/* linux/drivers/video/exynos/exynos_mipi_dsi_common.c + * + * Samsung SoC MIPI-DSI common driver. + * + * Copyright (c) 2012 Samsung Electronics Co., Ltd + * + * InKi Dae, <inki.dae@samsung.com> + * Donghwa Lee, <dh09.lee@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/mutex.h> +#include <linux/wait.h> +#include <linux/fs.h> +#include <linux/mm.h> +#include <linux/fb.h> +#include <linux/ctype.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/memory.h> +#include <linux/delay.h> +#include <linux/kthread.h> + +#include <video/mipi_display.h> +#include <video/exynos_mipi_dsim.h> + +#include <mach/map.h> + +#include "exynos_mipi_dsi_regs.h" +#include "exynos_mipi_dsi_lowlevel.h" +#include "exynos_mipi_dsi_common.h" + +#define MIPI_FIFO_TIMEOUT msecs_to_jiffies(250) +#define MIPI_RX_FIFO_READ_DONE 0x30800002 +#define MIPI_MAX_RX_FIFO 20 +#define MHZ (1000 * 1000) +#define FIN_HZ (24 * MHZ) + +#define DFIN_PLL_MIN_HZ (6 * MHZ) +#define DFIN_PLL_MAX_HZ (12 * MHZ) + +#define DFVCO_MIN_HZ (500 * MHZ) +#define DFVCO_MAX_HZ (1000 * MHZ) + +#define TRY_GET_FIFO_TIMEOUT (5000 * 2) +#define TRY_FIFO_CLEAR (10) + +/* MIPI-DSIM status types. */ +enum { + DSIM_STATE_INIT, /* should be initialized. */ + DSIM_STATE_STOP, /* CPU and LCDC are LP mode. */ + DSIM_STATE_HSCLKEN, /* HS clock was enabled. */ + DSIM_STATE_ULPS +}; + +/* define DSI lane types. */ +enum { + DSIM_LANE_CLOCK = (1 << 0), + DSIM_LANE_DATA0 = (1 << 1), + DSIM_LANE_DATA1 = (1 << 2), + DSIM_LANE_DATA2 = (1 << 3), + DSIM_LANE_DATA3 = (1 << 4) +}; + +static unsigned int dpll_table[15] = { + 100, 120, 170, 220, 270, + 320, 390, 450, 510, 560, + 640, 690, 770, 870, 950 +}; + +irqreturn_t exynos_mipi_dsi_interrupt_handler(int irq, void *dev_id) +{ + unsigned int intsrc = 0; + unsigned int intmsk = 0; + struct mipi_dsim_device *dsim = NULL; + + dsim = dev_id; + if (!dsim) { + dev_dbg(dsim->dev, KERN_ERR "%s:error: wrong parameter\n", + __func__); + return IRQ_HANDLED; + } + + intsrc = exynos_mipi_dsi_read_interrupt(dsim); + intmsk = exynos_mipi_dsi_read_interrupt_mask(dsim); + + intmsk = ~(intmsk) & intsrc; + + switch (intmsk) { + case INTMSK_RX_DONE: + complete(&dsim_rd_comp); + dev_dbg(dsim->dev, "MIPI INTMSK_RX_DONE\n"); + break; + case INTMSK_FIFO_EMPTY: + complete(&dsim_wr_comp); + dev_dbg(dsim->dev, "MIPI INTMSK_FIFO_EMPTY\n"); + break; + default: + break; + } + + exynos_mipi_dsi_clear_interrupt(dsim, intmsk); + + return IRQ_HANDLED; +} + +/* + * write long packet to mipi dsi slave + * @dsim: mipi dsim device structure. + * @data0: packet data to send. + * @data1: size of packet data + */ +static void exynos_mipi_dsi_long_data_wr(struct mipi_dsim_device *dsim, + const unsigned char *data0, unsigned int data_size) +{ + unsigned int data_cnt = 0, payload = 0; + + /* in case that data count is more then 4 */ + for (data_cnt = 0; data_cnt < data_size; data_cnt += 4) { + /* + * after sending 4bytes per one time, + * send remainder data less then 4. + */ + if ((data_size - data_cnt) < 4) { + if ((data_size - data_cnt) == 3) { + payload = data0[data_cnt] | + data0[data_cnt + 1] << 8 | + data0[data_cnt + 2] << 16; + dev_dbg(dsim->dev, "count = 3 payload = %x, %x %x %x\n", + payload, data0[data_cnt], + data0[data_cnt + 1], + data0[data_cnt + 2]); + } else if ((data_size - data_cnt) == 2) { + payload = data0[data_cnt] | + data0[data_cnt + 1] << 8; + dev_dbg(dsim->dev, + "count = 2 payload = %x, %x %x\n", payload, + data0[data_cnt], + data0[data_cnt + 1]); + } else if ((data_size - data_cnt) == 1) { + payload = data0[data_cnt]; + } + + exynos_mipi_dsi_wr_tx_data(dsim, payload); + /* send 4bytes per one time. */ + } else { + payload = data0[data_cnt] | + data0[data_cnt + 1] << 8 | + data0[data_cnt + 2] << 16 | + data0[data_cnt + 3] << 24; + + dev_dbg(dsim->dev, + "count = 4 payload = %x, %x %x %x %x\n", + payload, *(u8 *)(data0 + data_cnt), + data0[data_cnt + 1], + data0[data_cnt + 2], + data0[data_cnt + 3]); + + exynos_mipi_dsi_wr_tx_data(dsim, payload); + } + } +} + +int exynos_mipi_dsi_wr_data(struct mipi_dsim_device *dsim, unsigned int data_id, + const unsigned char *data0, unsigned int data_size) +{ + unsigned int check_rx_ack = 0; + + if (dsim->state == DSIM_STATE_ULPS) { + dev_err(dsim->dev, "state is ULPS.\n"); + + return -EINVAL; + } + + /* FIXME!!! why does it need this delay? */ + msleep(20); + + mutex_lock(&dsim->lock); + + switch (data_id) { + /* short packet types of packet types for command. */ + case MIPI_DSI_GENERIC_SHORT_WRITE_0_PARAM: + case MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM: + case MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM: + case MIPI_DSI_DCS_SHORT_WRITE: + case MIPI_DSI_DCS_SHORT_WRITE_PARAM: + case MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE: + exynos_mipi_dsi_wr_tx_header(dsim, data_id, data0[0], data0[1]); + if (check_rx_ack) { + /* process response func should be implemented */ + mutex_unlock(&dsim->lock); + return 0; + } else { + mutex_unlock(&dsim->lock); + return -EINVAL; + } + + /* general command */ + case MIPI_DSI_COLOR_MODE_OFF: + case MIPI_DSI_COLOR_MODE_ON: + case MIPI_DSI_SHUTDOWN_PERIPHERAL: + case MIPI_DSI_TURN_ON_PERIPHERAL: + exynos_mipi_dsi_wr_tx_header(dsim, data_id, data0[0], data0[1]); + if (check_rx_ack) { + /* process response func should be implemented. */ + mutex_unlock(&dsim->lock); + return 0; + } else { + mutex_unlock(&dsim->lock); + return -EINVAL; + } + + /* packet types for video data */ + case MIPI_DSI_V_SYNC_START: + case MIPI_DSI_V_SYNC_END: + case MIPI_DSI_H_SYNC_START: + case MIPI_DSI_H_SYNC_END: + case MIPI_DSI_END_OF_TRANSMISSION: + mutex_unlock(&dsim->lock); + return 0; + + /* long packet type and null packet */ + case MIPI_DSI_NULL_PACKET: + case MIPI_DSI_BLANKING_PACKET: + mutex_unlock(&dsim->lock); + return 0; + case MIPI_DSI_GENERIC_LONG_WRITE: + case MIPI_DSI_DCS_LONG_WRITE: + { + unsigned int size, payload = 0; + INIT_COMPLETION(dsim_wr_comp); + + size = data_size * 4; + + /* if data count is less then 4, then send 3bytes data. */ + if (data_size < 4) { + payload = data0[0] | + data0[1] << 8 | + data0[2] << 16; + + exynos_mipi_dsi_wr_tx_data(dsim, payload); + + dev_dbg(dsim->dev, "count = %d payload = %x,%x %x %x\n", + data_size, payload, data0[0], + data0[1], data0[2]); + + /* in case that data count is more then 4 */ + } else + exynos_mipi_dsi_long_data_wr(dsim, data0, data_size); + + /* put data into header fifo */ + exynos_mipi_dsi_wr_tx_header(dsim, data_id, data_size & 0xff, + (data_size & 0xff00) >> 8); + + if (!wait_for_completion_interruptible_timeout(&dsim_wr_comp, + MIPI_FIFO_TIMEOUT)) { + dev_warn(dsim->dev, "command write timeout.\n"); + mutex_unlock(&dsim->lock); + return -EAGAIN; + } + + if (check_rx_ack) { + /* process response func should be implemented. */ + mutex_unlock(&dsim->lock); + return 0; + } else { + mutex_unlock(&dsim->lock); + return -EINVAL; + } + } + + /* packet typo for video data */ + case MIPI_DSI_PACKED_PIXEL_STREAM_16: + case MIPI_DSI_PACKED_PIXEL_STREAM_18: + case MIPI_DSI_PIXEL_STREAM_3BYTE_18: + case MIPI_DSI_PACKED_PIXEL_STREAM_24: + if (check_rx_ack) { + /* process response func should be implemented. */ + mutex_unlock(&dsim->lock); + return 0; + } else { + mutex_unlock(&dsim->lock); + return -EINVAL; + } + default: + dev_warn(dsim->dev, + "data id %x is not supported current DSI spec.\n", + data_id); + + mutex_unlock(&dsim->lock); + return -EINVAL; + } + + mutex_unlock(&dsim->lock); + return 0; +} + +static unsigned int exynos_mipi_dsi_long_data_rd(struct mipi_dsim_device *dsim, + unsigned int req_size, unsigned int rx_data, u8 *rx_buf) +{ + unsigned int rcv_pkt, i, j; + u16 rxsize; + + /* for long packet */ + rxsize = (u16)((rx_data & 0x00ffff00) >> 8); + dev_dbg(dsim->dev, "mipi dsi rx size : %d\n", rxsize); + if (rxsize != req_size) { + dev_dbg(dsim->dev, + "received size mismatch received: %d, requested: %d\n", + rxsize, req_size); + goto err; + } + + for (i = 0; i < (rxsize >> 2); i++) { + rcv_pkt = exynos_mipi_dsi_rd_rx_fifo(dsim); + dev_dbg(dsim->dev, "received pkt : %08x\n", rcv_pkt); + for (j = 0; j < 4; j++) { + rx_buf[(i * 4) + j] = + (u8)(rcv_pkt >> (j * 8)) & 0xff; + dev_dbg(dsim->dev, "received value : %02x\n", + (rcv_pkt >> (j * 8)) & 0xff); + } + } + if (rxsize % 4) { + rcv_pkt = exynos_mipi_dsi_rd_rx_fifo(dsim); + dev_dbg(dsim->dev, "received pkt : %08x\n", rcv_pkt); + for (j = 0; j < (rxsize % 4); j++) { + rx_buf[(i * 4) + j] = + (u8)(rcv_pkt >> (j * 8)) & 0xff; + dev_dbg(dsim->dev, "received value : %02x\n", + (rcv_pkt >> (j * 8)) & 0xff); + } + } + + return rxsize; + +err: + return -EINVAL; +} + +static unsigned int exynos_mipi_dsi_response_size(unsigned int req_size) +{ + switch (req_size) { + case 1: + return MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_1BYTE; + case 2: + return MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_2BYTE; + default: + return MIPI_DSI_RX_GENERIC_LONG_READ_RESPONSE; + } +} + +int exynos_mipi_dsi_rd_data(struct mipi_dsim_device *dsim, unsigned int data_id, + unsigned int data0, unsigned int req_size, u8 *rx_buf) +{ + unsigned int rx_data, rcv_pkt, i; + u8 response = 0; + u16 rxsize; + + if (dsim->state == DSIM_STATE_ULPS) { + dev_err(dsim->dev, "state is ULPS.\n"); + + return -EINVAL; + } + + /* FIXME!!! */ + msleep(20); + + mutex_lock(&dsim->lock); + INIT_COMPLETION(dsim_rd_comp); + exynos_mipi_dsi_rd_tx_header(dsim, + MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE, req_size); + + response = exynos_mipi_dsi_response_size(req_size); + + switch (data_id) { + case MIPI_DSI_GENERIC_READ_REQUEST_0_PARAM: + case MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM: + case MIPI_DSI_GENERIC_READ_REQUEST_2_PARAM: + case MIPI_DSI_DCS_READ: + exynos_mipi_dsi_rd_tx_header(dsim, + data_id, data0); + /* process response func should be implemented. */ + break; + default: + dev_warn(dsim->dev, + "data id %x is not supported current DSI spec.\n", + data_id); + + return -EINVAL; + } + + if (!wait_for_completion_interruptible_timeout(&dsim_rd_comp, + MIPI_FIFO_TIMEOUT)) { + pr_err("RX done interrupt timeout\n"); + mutex_unlock(&dsim->lock); + return 0; + } + + msleep(20); + + rx_data = exynos_mipi_dsi_rd_rx_fifo(dsim); + + if ((u8)(rx_data & 0xff) != response) { + printk(KERN_ERR + "mipi dsi wrong response rx_data : %x, response:%x\n", + rx_data, response); + goto clear_rx_fifo; + } + + if (req_size <= 2) { + /* for short packet */ + for (i = 0; i < req_size; i++) + rx_buf[i] = (rx_data >> (8 + (i * 8))) & 0xff; + rxsize = req_size; + } else { + /* for long packet */ + rxsize = exynos_mipi_dsi_long_data_rd(dsim, req_size, rx_data, + rx_buf); + if (rxsize != req_size) + goto clear_rx_fifo; + } + + rcv_pkt = exynos_mipi_dsi_rd_rx_fifo(dsim); + + msleep(20); + + if (rcv_pkt != MIPI_RX_FIFO_READ_DONE) { + dev_info(dsim->dev, + "Can't found RX FIFO READ DONE FLAG : %x\n", rcv_pkt); + goto clear_rx_fifo; + } + + mutex_unlock(&dsim->lock); + + return rxsize; + +clear_rx_fifo: + i = 0; + while (1) { + rcv_pkt = exynos_mipi_dsi_rd_rx_fifo(dsim); + if ((rcv_pkt == MIPI_RX_FIFO_READ_DONE) + || (i > MIPI_MAX_RX_FIFO)) + break; + dev_dbg(dsim->dev, + "mipi dsi clear rx fifo : %08x\n", rcv_pkt); + i++; + } + dev_info(dsim->dev, + "mipi dsi rx done count : %d, rcv_pkt : %08x\n", i, rcv_pkt); + + mutex_unlock(&dsim->lock); + + return 0; +} + +static int exynos_mipi_dsi_pll_on(struct mipi_dsim_device *dsim, + unsigned int enable) +{ + int sw_timeout; + + if (enable) { + sw_timeout = 1000; + + exynos_mipi_dsi_enable_pll(dsim, 1); + while (1) { + sw_timeout--; + if (exynos_mipi_dsi_is_pll_stable(dsim)) + return 0; + if (sw_timeout == 0) + return -EINVAL; + } + } else + exynos_mipi_dsi_enable_pll(dsim, 0); + + return 0; +} + +static unsigned long exynos_mipi_dsi_change_pll(struct mipi_dsim_device *dsim, + unsigned int pre_divider, unsigned int main_divider, + unsigned int scaler) +{ + unsigned long dfin_pll, dfvco, dpll_out; + unsigned int i, freq_band = 0xf; + + dfin_pll = (FIN_HZ / pre_divider); + + /****************************************************** + * Serial Clock(=ByteClk X 8) FreqBand[3:0] * + ****************************************************** + * ~ 99.99 MHz 0000 + * 100 ~ 119.99 MHz 0001 + * 120 ~ 159.99 MHz 0010 + * 160 ~ 199.99 MHz 0011 + * 200 ~ 239.99 MHz 0100 + * 140 ~ 319.99 MHz 0101 + * 320 ~ 389.99 MHz 0110 + * 390 ~ 449.99 MHz 0111 + * 450 ~ 509.99 MHz 1000 + * 510 ~ 559.99 MHz 1001 + * 560 ~ 639.99 MHz 1010 + * 640 ~ 689.99 MHz 1011 + * 690 ~ 769.99 MHz 1100 + * 770 ~ 869.99 MHz 1101 + * 870 ~ 949.99 MHz 1110 + * 950 ~ 1000 MHz 1111 + ******************************************************/ + if (dfin_pll < DFIN_PLL_MIN_HZ || dfin_pll > DFIN_PLL_MAX_HZ) { + dev_warn(dsim->dev, "fin_pll range should be 6MHz ~ 12MHz\n"); + exynos_mipi_dsi_enable_afc(dsim, 0, 0); + } else { + if (dfin_pll < 7 * MHZ) + exynos_mipi_dsi_enable_afc(dsim, 1, 0x1); + else if (dfin_pll < 8 * MHZ) + exynos_mipi_dsi_enable_afc(dsim, 1, 0x0); + else if (dfin_pll < 9 * MHZ) + exynos_mipi_dsi_enable_afc(dsim, 1, 0x3); + else if (dfin_pll < 10 * MHZ) + exynos_mipi_dsi_enable_afc(dsim, 1, 0x2); + else if (dfin_pll < 11 * MHZ) + exynos_mipi_dsi_enable_afc(dsim, 1, 0x5); + else + exynos_mipi_dsi_enable_afc(dsim, 1, 0x4); + } + + dfvco = dfin_pll * main_divider; + dev_dbg(dsim->dev, "dfvco = %lu, dfin_pll = %lu, main_divider = %d\n", + dfvco, dfin_pll, main_divider); + if (dfvco < DFVCO_MIN_HZ || dfvco > DFVCO_MAX_HZ) + dev_warn(dsim->dev, "fvco range should be 500MHz ~ 1000MHz\n"); + + dpll_out = dfvco / (1 << scaler); + dev_dbg(dsim->dev, "dpll_out = %lu, dfvco = %lu, scaler = %d\n", + dpll_out, dfvco, scaler); + + for (i = 0; i < ARRAY_SIZE(dpll_table); i++) { + if (dpll_out < dpll_table[i] * MHZ) { + freq_band = i; + break; + } + } + + dev_dbg(dsim->dev, "freq_band = %d\n", freq_band); + + exynos_mipi_dsi_pll_freq(dsim, pre_divider, main_divider, scaler); + + exynos_mipi_dsi_hs_zero_ctrl(dsim, 0); + exynos_mipi_dsi_prep_ctrl(dsim, 0); + + /* Freq Band */ + exynos_mipi_dsi_pll_freq_band(dsim, freq_band); + + /* Stable time */ + exynos_mipi_dsi_pll_stable_time(dsim, dsim->dsim_config->pll_stable_time); + + /* Enable PLL */ + dev_dbg(dsim->dev, "FOUT of mipi dphy pll is %luMHz\n", + (dpll_out / MHZ)); + + return dpll_out; +} + +static int exynos_mipi_dsi_set_clock(struct mipi_dsim_device *dsim, + unsigned int byte_clk_sel, unsigned int enable) +{ + unsigned int esc_div; + unsigned long esc_clk_error_rate; + unsigned long hs_clk = 0, byte_clk = 0, escape_clk = 0; + + if (enable) { + dsim->e_clk_src = byte_clk_sel; + + /* Escape mode clock and byte clock source */ + exynos_mipi_dsi_set_byte_clock_src(dsim, byte_clk_sel); + + /* DPHY, DSIM Link : D-PHY clock out */ + if (byte_clk_sel == DSIM_PLL_OUT_DIV8) { + hs_clk = exynos_mipi_dsi_change_pll(dsim, + dsim->dsim_config->p, dsim->dsim_config->m, + dsim->dsim_config->s); + if (hs_clk == 0) { + dev_err(dsim->dev, + "failed to get hs clock.\n"); + return -EINVAL; + } + + byte_clk = hs_clk / 8; + exynos_mipi_dsi_enable_pll_bypass(dsim, 0); + exynos_mipi_dsi_pll_on(dsim, 1); + /* DPHY : D-PHY clock out, DSIM link : external clock out */ + } else if (byte_clk_sel == DSIM_EXT_CLK_DIV8) { + dev_warn(dsim->dev, "this project is not support\n"); + dev_warn(dsim->dev, + "external clock source for MIPI DSIM.\n"); + } else if (byte_clk_sel == DSIM_EXT_CLK_BYPASS) { + dev_warn(dsim->dev, "this project is not support\n"); + dev_warn(dsim->dev, + "external clock source for MIPI DSIM\n"); + } + + /* escape clock divider */ + esc_div = byte_clk / (dsim->dsim_config->esc_clk); + dev_dbg(dsim->dev, + "esc_div = %d, byte_clk = %lu, esc_clk = %lu\n", + esc_div, byte_clk, dsim->dsim_config->esc_clk); + if ((byte_clk / esc_div) >= (20 * MHZ) || + (byte_clk / esc_div) > + dsim->dsim_config->esc_clk) + esc_div += 1; + + escape_clk = byte_clk / esc_div; + dev_dbg(dsim->dev, + "escape_clk = %lu, byte_clk = %lu, esc_div = %d\n", + escape_clk, byte_clk, esc_div); + + /* enable escape clock. */ + exynos_mipi_dsi_enable_byte_clock(dsim, 1); + + /* enable byte clk and escape clock */ + exynos_mipi_dsi_set_esc_clk_prs(dsim, 1, esc_div); + /* escape clock on lane */ + exynos_mipi_dsi_enable_esc_clk_on_lane(dsim, + (DSIM_LANE_CLOCK | dsim->data_lane), 1); + + dev_dbg(dsim->dev, "byte clock is %luMHz\n", + (byte_clk / MHZ)); + dev_dbg(dsim->dev, "escape clock that user's need is %lu\n", + (dsim->dsim_config->esc_clk / MHZ)); + dev_dbg(dsim->dev, "escape clock divider is %x\n", esc_div); + dev_dbg(dsim->dev, "escape clock is %luMHz\n", + ((byte_clk / esc_div) / MHZ)); + + if ((byte_clk / esc_div) > escape_clk) { + esc_clk_error_rate = escape_clk / + (byte_clk / esc_div); + dev_warn(dsim->dev, "error rate is %lu over.\n", + (esc_clk_error_rate / 100)); + } else if ((byte_clk / esc_div) < (escape_clk)) { + esc_clk_error_rate = (byte_clk / esc_div) / + escape_clk; + dev_warn(dsim->dev, "error rate is %lu under.\n", + (esc_clk_error_rate / 100)); + } + } else { + exynos_mipi_dsi_enable_esc_clk_on_lane(dsim, + (DSIM_LANE_CLOCK | dsim->data_lane), 0); + exynos_mipi_dsi_set_esc_clk_prs(dsim, 0, 0); + + /* disable escape clock. */ + exynos_mipi_dsi_enable_byte_clock(dsim, 0); + + if (byte_clk_sel == DSIM_PLL_OUT_DIV8) + exynos_mipi_dsi_pll_on(dsim, 0); + } + + return 0; +} + +int exynos_mipi_dsi_init_dsim(struct mipi_dsim_device *dsim) +{ + dsim->state = DSIM_STATE_INIT; + + switch (dsim->dsim_config->e_no_data_lane) { + case DSIM_DATA_LANE_1: + dsim->data_lane = DSIM_LANE_DATA0; + break; + case DSIM_DATA_LANE_2: + dsim->data_lane = DSIM_LANE_DATA0 | DSIM_LANE_DATA1; + break; + case DSIM_DATA_LANE_3: + dsim->data_lane = DSIM_LANE_DATA0 | DSIM_LANE_DATA1 | + DSIM_LANE_DATA2; + break; + case DSIM_DATA_LANE_4: + dsim->data_lane = DSIM_LANE_DATA0 | DSIM_LANE_DATA1 | + DSIM_LANE_DATA2 | DSIM_LANE_DATA3; + break; + default: + dev_info(dsim->dev, "data lane is invalid.\n"); + return -EINVAL; + }; + + exynos_mipi_dsi_sw_reset(dsim); + exynos_mipi_dsi_func_reset(dsim); + + exynos_mipi_dsi_dp_dn_swap(dsim, 0); + + return 0; +} + +void exynos_mipi_dsi_init_interrupt(struct mipi_dsim_device *dsim) +{ + unsigned int src = 0; + + src = (INTSRC_SFR_FIFO_EMPTY | INTSRC_RX_DATA_DONE); + exynos_mipi_dsi_set_interrupt(dsim, src, 1); + + src = 0; + src = ~(INTMSK_RX_DONE | INTMSK_FIFO_EMPTY); + exynos_mipi_dsi_set_interrupt_mask(dsim, src, 1); +} + +int exynos_mipi_dsi_enable_frame_done_int(struct mipi_dsim_device *dsim, + unsigned int enable) +{ + /* enable only frame done interrupt */ + exynos_mipi_dsi_set_interrupt_mask(dsim, INTMSK_FRAME_DONE, enable); + + return 0; +} + +void exynos_mipi_dsi_stand_by(struct mipi_dsim_device *dsim, + unsigned int enable) +{ + + /* consider Main display and Sub display. */ + + exynos_mipi_dsi_set_main_stand_by(dsim, enable); +} + +int exynos_mipi_dsi_set_display_mode(struct mipi_dsim_device *dsim, + struct mipi_dsim_config *dsim_config) +{ + struct mipi_dsim_platform_data *dsim_pd; + struct fb_videomode *timing; + + dsim_pd = (struct mipi_dsim_platform_data *)dsim->pd; + timing = (struct fb_videomode *)dsim_pd->lcd_panel_info; + + /* in case of VIDEO MODE (RGB INTERFACE), it sets polarities. */ + if (dsim_config->e_interface == (u32) DSIM_VIDEO) { + if (dsim_config->auto_vertical_cnt == 0) { + exynos_mipi_dsi_set_main_disp_vporch(dsim, + dsim_config->cmd_allow, + timing->upper_margin, + timing->lower_margin); + exynos_mipi_dsi_set_main_disp_hporch(dsim, + timing->left_margin, + timing->right_margin); + exynos_mipi_dsi_set_main_disp_sync_area(dsim, + timing->vsync_len, + timing->hsync_len); + } + } + + exynos_mipi_dsi_set_main_disp_resol(dsim, timing->xres, + timing->yres); + + exynos_mipi_dsi_display_config(dsim, dsim_config); + + dev_info(dsim->dev, "lcd panel ==> width = %d, height = %d\n", + timing->xres, timing->yres); + + return 0; +} + +int exynos_mipi_dsi_init_link(struct mipi_dsim_device *dsim) +{ + unsigned int time_out = 100; + + switch (dsim->state) { + case DSIM_STATE_INIT: + exynos_mipi_dsi_init_fifo_pointer(dsim, 0x1f); + + /* dsi configuration */ + exynos_mipi_dsi_init_config(dsim); + exynos_mipi_dsi_enable_lane(dsim, DSIM_LANE_CLOCK, 1); + exynos_mipi_dsi_enable_lane(dsim, dsim->data_lane, 1); + + /* set clock configuration */ + exynos_mipi_dsi_set_clock(dsim, dsim->dsim_config->e_byte_clk, 1); + + /* check clock and data lane state are stop state */ + while (!(exynos_mipi_dsi_is_lane_state(dsim))) { + time_out--; + if (time_out == 0) { + dev_err(dsim->dev, + "DSI Master is not stop state.\n"); + dev_err(dsim->dev, + "Check initialization process\n"); + + return -EINVAL; + } + } + if (time_out != 0) { + dev_info(dsim->dev, + "DSI Master driver has been completed.\n"); + dev_info(dsim->dev, "DSI Master state is stop state\n"); + } + + dsim->state = DSIM_STATE_STOP; + + /* BTA sequence counters */ + exynos_mipi_dsi_set_stop_state_counter(dsim, + dsim->dsim_config->stop_holding_cnt); + exynos_mipi_dsi_set_bta_timeout(dsim, + dsim->dsim_config->bta_timeout); + exynos_mipi_dsi_set_lpdr_timeout(dsim, + dsim->dsim_config->rx_timeout); + + return 0; + default: + dev_info(dsim->dev, "DSI Master is already init.\n"); + return 0; + } + + return 0; +} + +int exynos_mipi_dsi_set_hs_enable(struct mipi_dsim_device *dsim) +{ + if (dsim->state != DSIM_STATE_STOP) { + dev_warn(dsim->dev, "DSIM is not in stop state.\n"); + return 0; + } + + if (dsim->e_clk_src == DSIM_EXT_CLK_BYPASS) { + dev_warn(dsim->dev, "clock source is external bypass.\n"); + return 0; + } + + dsim->state = DSIM_STATE_HSCLKEN; + + /* set LCDC and CPU transfer mode to HS. */ + exynos_mipi_dsi_set_lcdc_transfer_mode(dsim, 0); + exynos_mipi_dsi_set_cpu_transfer_mode(dsim, 0); + exynos_mipi_dsi_enable_hs_clock(dsim, 1); + + return 0; +} + +int exynos_mipi_dsi_set_data_transfer_mode(struct mipi_dsim_device *dsim, + unsigned int mode) +{ + if (mode) { + if (dsim->state != DSIM_STATE_HSCLKEN) { + dev_err(dsim->dev, "HS Clock lane is not enabled.\n"); + return -EINVAL; + } + + exynos_mipi_dsi_set_lcdc_transfer_mode(dsim, 0); + } else { + if (dsim->state == DSIM_STATE_INIT || dsim->state == + DSIM_STATE_ULPS) { + dev_err(dsim->dev, + "DSI Master is not STOP or HSDT state.\n"); + return -EINVAL; + } + + exynos_mipi_dsi_set_cpu_transfer_mode(dsim, 0); + } + + return 0; +} + +int exynos_mipi_dsi_get_frame_done_status(struct mipi_dsim_device *dsim) +{ + return _exynos_mipi_dsi_get_frame_done_status(dsim); +} + +int exynos_mipi_dsi_clear_frame_done(struct mipi_dsim_device *dsim) +{ + _exynos_mipi_dsi_clear_frame_done(dsim); + + return 0; +} + +int exynos_mipi_dsi_fifo_clear(struct mipi_dsim_device *dsim, + unsigned int val) +{ + int try = TRY_FIFO_CLEAR; + + exynos_mipi_dsi_sw_reset_release(dsim); + exynos_mipi_dsi_func_reset(dsim); + + do { + if (exynos_mipi_dsi_get_sw_reset_release(dsim)) { + exynos_mipi_dsi_init_interrupt(dsim); + dev_dbg(dsim->dev, "reset release done.\n"); + return 0; + } + } while (--try); + + dev_err(dsim->dev, "failed to clear dsim fifo.\n"); + return -EAGAIN; +} + +MODULE_AUTHOR("InKi Dae <inki.dae@samsung.com>"); +MODULE_DESCRIPTION("Samusung SoC MIPI-DSI common driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/exynos/exynos_mipi_dsi_common.h b/drivers/video/exynos/exynos_mipi_dsi_common.h new file mode 100644 index 0000000..4125522 --- /dev/null +++ b/drivers/video/exynos/exynos_mipi_dsi_common.h @@ -0,0 +1,46 @@ +/* linux/drivers/video/exynos_mipi_dsi_common.h + * + * Header file for Samsung SoC MIPI-DSI common driver. + * + * Copyright (c) 2012 Samsung Electronics Co., Ltd + * + * InKi Dae <inki.dae@samsung.com> + * Donghwa Lee <dh09.lee@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef _EXYNOS_MIPI_DSI_COMMON_H +#define _EXYNOS_MIPI_DSI_COMMON_H + +static DECLARE_COMPLETION(dsim_rd_comp); +static DECLARE_COMPLETION(dsim_wr_comp); + +int exynos_mipi_dsi_wr_data(struct mipi_dsim_device *dsim, unsigned int data_id, + const unsigned char *data0, unsigned int data_size); +int exynos_mipi_dsi_rd_data(struct mipi_dsim_device *dsim, unsigned int data_id, + unsigned int data0, unsigned int req_size, u8 *rx_buf); +irqreturn_t exynos_mipi_dsi_interrupt_handler(int irq, void *dev_id); +void exynos_mipi_dsi_init_interrupt(struct mipi_dsim_device *dsim); +int exynos_mipi_dsi_init_dsim(struct mipi_dsim_device *dsim); +void exynos_mipi_dsi_stand_by(struct mipi_dsim_device *dsim, + unsigned int enable); +int exynos_mipi_dsi_set_display_mode(struct mipi_dsim_device *dsim, + struct mipi_dsim_config *dsim_info); +int exynos_mipi_dsi_init_link(struct mipi_dsim_device *dsim); +int exynos_mipi_dsi_set_hs_enable(struct mipi_dsim_device *dsim); +int exynos_mipi_dsi_set_data_transfer_mode(struct mipi_dsim_device *dsim, + unsigned int mode); +int exynos_mipi_dsi_enable_frame_done_int(struct mipi_dsim_device *dsim, + unsigned int enable); +int exynos_mipi_dsi_get_frame_done_status(struct mipi_dsim_device *dsim); +int exynos_mipi_dsi_clear_frame_done(struct mipi_dsim_device *dsim); + +extern struct fb_info *registered_fb[FB_MAX] __read_mostly; + +int exynos_mipi_dsi_fifo_clear(struct mipi_dsim_device *dsim, + unsigned int val); + +#endif /* _EXYNOS_MIPI_DSI_COMMON_H */ diff --git a/drivers/video/exynos/exynos_mipi_dsi_lowlevel.c b/drivers/video/exynos/exynos_mipi_dsi_lowlevel.c new file mode 100644 index 0000000..0ef38ce --- /dev/null +++ b/drivers/video/exynos/exynos_mipi_dsi_lowlevel.c @@ -0,0 +1,618 @@ +/* linux/drivers/video/exynos/exynos_mipi_dsi_lowlevel.c + * + * Samsung SoC MIPI-DSI lowlevel driver. + * + * Copyright (c) 2012 Samsung Electronics Co., Ltd + * + * InKi Dae, <inki.dae@samsung.com> + * Donghwa Lee, <dh09.lee@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/mutex.h> +#include <linux/wait.h> +#include <linux/delay.h> +#include <linux/fs.h> +#include <linux/mm.h> +#include <linux/ctype.h> +#include <linux/io.h> + +#include <video/exynos_mipi_dsim.h> + +#include <mach/map.h> + +#include "exynos_mipi_dsi_regs.h" + +void exynos_mipi_dsi_func_reset(struct mipi_dsim_device *dsim) +{ + unsigned int reg; + + reg = readl(dsim->reg_base + EXYNOS_DSIM_SWRST); + + reg |= DSIM_FUNCRST; + + writel(reg, dsim->reg_base + EXYNOS_DSIM_SWRST); +} + +void exynos_mipi_dsi_sw_reset(struct mipi_dsim_device *dsim) +{ + unsigned int reg; + + reg = readl(dsim->reg_base + EXYNOS_DSIM_SWRST); + + reg |= DSIM_SWRST; + + writel(reg, dsim->reg_base + EXYNOS_DSIM_SWRST); +} + +void exynos_mipi_dsi_sw_reset_release(struct mipi_dsim_device *dsim) +{ + unsigned int reg; + + reg = readl(dsim->reg_base + EXYNOS_DSIM_INTSRC); + + reg |= INTSRC_SW_RST_RELEASE; + + writel(reg, dsim->reg_base + EXYNOS_DSIM_INTSRC); +} + +int exynos_mipi_dsi_get_sw_reset_release(struct mipi_dsim_device *dsim) +{ + return (readl(dsim->reg_base + EXYNOS_DSIM_INTSRC)) & + INTSRC_SW_RST_RELEASE; +} + +unsigned int exynos_mipi_dsi_read_interrupt_mask(struct mipi_dsim_device *dsim) +{ + unsigned int reg; + + reg = readl(dsim->reg_base + EXYNOS_DSIM_INTMSK); + + return reg; +} + +void exynos_mipi_dsi_set_interrupt_mask(struct mipi_dsim_device *dsim, + unsigned int mode, unsigned int mask) +{ + unsigned int reg = 0; + + if (mask) + reg |= mode; + else + reg &= ~mode; + + writel(reg, dsim->reg_base + EXYNOS_DSIM_INTMSK); +} + +void exynos_mipi_dsi_init_fifo_pointer(struct mipi_dsim_device *dsim, + unsigned int cfg) +{ + unsigned int reg; + + reg = readl(dsim->reg_base + EXYNOS_DSIM_FIFOCTRL); + + writel(reg & ~(cfg), dsim->reg_base + EXYNOS_DSIM_FIFOCTRL); + mdelay(10); + reg |= cfg; + + writel(reg, dsim->reg_base + EXYNOS_DSIM_FIFOCTRL); +} + +/* + * this function set PLL P, M and S value in D-PHY + */ +void exynos_mipi_dsi_set_phy_tunning(struct mipi_dsim_device *dsim, + unsigned int value) +{ + writel(DSIM_AFC_CTL(value), dsim->reg_base + EXYNOS_DSIM_PHYACCHR); +} + +void exynos_mipi_dsi_set_main_stand_by(struct mipi_dsim_device *dsim, + unsigned int enable) +{ + unsigned int reg; + + reg = readl(dsim->reg_base + EXYNOS_DSIM_MDRESOL); + + reg &= ~DSIM_MAIN_STAND_BY; + + if (enable) + reg |= DSIM_MAIN_STAND_BY; + + writel(reg, dsim->reg_base + EXYNOS_DSIM_MDRESOL); +} + +void exynos_mipi_dsi_set_main_disp_resol(struct mipi_dsim_device *dsim, + unsigned int width_resol, unsigned int height_resol) +{ + unsigned int reg; + + /* standby should be set after configuration so set to not ready*/ + reg = (readl(dsim->reg_base + EXYNOS_DSIM_MDRESOL)) & + ~(DSIM_MAIN_STAND_BY); + writel(reg, dsim->reg_base + EXYNOS_DSIM_MDRESOL); + + reg &= ~((0x7ff << 16) | (0x7ff << 0)); + reg |= DSIM_MAIN_VRESOL(height_resol) | DSIM_MAIN_HRESOL(width_resol); + + reg |= DSIM_MAIN_STAND_BY; + writel(reg, dsim->reg_base + EXYNOS_DSIM_MDRESOL); +} + +void exynos_mipi_dsi_set_main_disp_vporch(struct mipi_dsim_device *dsim, + unsigned int cmd_allow, unsigned int vfront, unsigned int vback) +{ + unsigned int reg; + + reg = (readl(dsim->reg_base + EXYNOS_DSIM_MVPORCH)) & + ~((DSIM_CMD_ALLOW_MASK) | (DSIM_STABLE_VFP_MASK) | + (DSIM_MAIN_VBP_MASK)); + + reg |= (DSIM_CMD_ALLOW_SHIFT(cmd_allow & 0xf) | + DSIM_STABLE_VFP_SHIFT(vfront & 0x7ff) | + DSIM_MAIN_VBP_SHIFT(vback & 0x7ff)); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_MVPORCH); +} + +void exynos_mipi_dsi_set_main_disp_hporch(struct mipi_dsim_device *dsim, + unsigned int front, unsigned int back) +{ + unsigned int reg; + + reg = (readl(dsim->reg_base + EXYNOS_DSIM_MHPORCH)) & + ~((DSIM_MAIN_HFP_MASK) | (DSIM_MAIN_HBP_MASK)); + + reg |= DSIM_MAIN_HFP_SHIFT(front) | DSIM_MAIN_HBP_SHIFT(back); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_MHPORCH); +} + +void exynos_mipi_dsi_set_main_disp_sync_area(struct mipi_dsim_device *dsim, + unsigned int vert, unsigned int hori) +{ + unsigned int reg; + + reg = (readl(dsim->reg_base + EXYNOS_DSIM_MSYNC)) & + ~((DSIM_MAIN_VSA_MASK) | (DSIM_MAIN_HSA_MASK)); + + reg |= (DSIM_MAIN_VSA_SHIFT(vert & 0x3ff) | + DSIM_MAIN_HSA_SHIFT(hori)); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_MSYNC); +} + +void exynos_mipi_dsi_set_sub_disp_resol(struct mipi_dsim_device *dsim, + unsigned int vert, unsigned int hori) +{ + unsigned int reg; + + reg = (readl(dsim->reg_base + EXYNOS_DSIM_SDRESOL)) & + ~(DSIM_SUB_STANDY_MASK); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_SDRESOL); + + reg &= ~(DSIM_SUB_VRESOL_MASK) | ~(DSIM_SUB_HRESOL_MASK); + reg |= (DSIM_SUB_VRESOL_SHIFT(vert & 0x7ff) | + DSIM_SUB_HRESOL_SHIFT(hori & 0x7ff)); + writel(reg, dsim->reg_base + EXYNOS_DSIM_SDRESOL); + + reg |= DSIM_SUB_STANDY_SHIFT(1); + writel(reg, dsim->reg_base + EXYNOS_DSIM_SDRESOL); +} + +void exynos_mipi_dsi_init_config(struct mipi_dsim_device *dsim) +{ + struct mipi_dsim_config *dsim_config = dsim->dsim_config; + + unsigned int cfg = (readl(dsim->reg_base + EXYNOS_DSIM_CONFIG)) & + ~((1 << 28) | (0x1f << 20) | (0x3 << 5)); + + cfg = ((DSIM_AUTO_FLUSH(dsim_config->auto_flush)) | + (DSIM_EOT_DISABLE(dsim_config->eot_disable)) | + (DSIM_AUTO_MODE_SHIFT(dsim_config->auto_vertical_cnt)) | + (DSIM_HSE_MODE_SHIFT(dsim_config->hse)) | + (DSIM_HFP_MODE_SHIFT(dsim_config->hfp)) | + (DSIM_HBP_MODE_SHIFT(dsim_config->hbp)) | + (DSIM_HSA_MODE_SHIFT(dsim_config->hsa)) | + (DSIM_NUM_OF_DATALANE_SHIFT(dsim_config->e_no_data_lane))); + + writel(cfg, dsim->reg_base + EXYNOS_DSIM_CONFIG); +} + +void exynos_mipi_dsi_display_config(struct mipi_dsim_device *dsim, + struct mipi_dsim_config *dsim_config) +{ + u32 reg = (readl(dsim->reg_base + EXYNOS_DSIM_CONFIG)) & + ~((0x3 << 26) | (1 << 25) | (0x3 << 18) | (0x7 << 12) | + (0x3 << 16) | (0x7 << 8)); + + if (dsim_config->e_interface == DSIM_VIDEO) + reg |= (1 << 25); + else if (dsim_config->e_interface == DSIM_COMMAND) + reg &= ~(1 << 25); + else { + dev_err(dsim->dev, "unknown lcd type.\n"); + return; + } + + /* main lcd */ + reg |= ((u8) (dsim_config->e_burst_mode) & 0x3) << 26 | + ((u8) (dsim_config->e_virtual_ch) & 0x3) << 18 | + ((u8) (dsim_config->e_pixel_format) & 0x7) << 12; + + writel(reg, dsim->reg_base + EXYNOS_DSIM_CONFIG); +} + +void exynos_mipi_dsi_enable_lane(struct mipi_dsim_device *dsim, unsigned int lane, + unsigned int enable) +{ + unsigned int reg; + + reg = readl(dsim->reg_base + EXYNOS_DSIM_CONFIG); + + if (enable) + reg |= DSIM_LANE_ENx(lane); + else + reg &= ~DSIM_LANE_ENx(lane); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_CONFIG); +} + + +void exynos_mipi_dsi_set_data_lane_number(struct mipi_dsim_device *dsim, + unsigned int count) +{ + unsigned int cfg; + + /* get the data lane number. */ + cfg = DSIM_NUM_OF_DATALANE_SHIFT(count); + + writel(cfg, dsim->reg_base + EXYNOS_DSIM_CONFIG); +} + +void exynos_mipi_dsi_enable_afc(struct mipi_dsim_device *dsim, unsigned int enable, + unsigned int afc_code) +{ + unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_PHYACCHR); + + if (enable) { + reg |= (1 << 14); + reg &= ~(0x7 << 5); + reg |= (afc_code & 0x7) << 5; + } else + reg &= ~(1 << 14); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_PHYACCHR); +} + +void exynos_mipi_dsi_enable_pll_bypass(struct mipi_dsim_device *dsim, + unsigned int enable) +{ + unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_CLKCTRL)) & + ~(DSIM_PLL_BYPASS_SHIFT(0x1)); + + reg |= DSIM_PLL_BYPASS_SHIFT(enable); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_CLKCTRL); +} + +void exynos_mipi_dsi_set_pll_pms(struct mipi_dsim_device *dsim, unsigned int p, + unsigned int m, unsigned int s) +{ + unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_PLLCTRL); + + reg |= ((p & 0x3f) << 13) | ((m & 0x1ff) << 4) | ((s & 0x7) << 1); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_PLLCTRL); +} + +void exynos_mipi_dsi_pll_freq_band(struct mipi_dsim_device *dsim, + unsigned int freq_band) +{ + unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_PLLCTRL)) & + ~(DSIM_FREQ_BAND_SHIFT(0x1f)); + + reg |= DSIM_FREQ_BAND_SHIFT(freq_band & 0x1f); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_PLLCTRL); +} + +void exynos_mipi_dsi_pll_freq(struct mipi_dsim_device *dsim, + unsigned int pre_divider, unsigned int main_divider, + unsigned int scaler) +{ + unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_PLLCTRL)) & + ~(0x7ffff << 1); + + reg |= (pre_divider & 0x3f) << 13 | (main_divider & 0x1ff) << 4 | + (scaler & 0x7) << 1; + + writel(reg, dsim->reg_base + EXYNOS_DSIM_PLLCTRL); +} + +void exynos_mipi_dsi_pll_stable_time(struct mipi_dsim_device *dsim, + unsigned int lock_time) +{ + writel(lock_time, dsim->reg_base + EXYNOS_DSIM_PLLTMR); +} + +void exynos_mipi_dsi_enable_pll(struct mipi_dsim_device *dsim, unsigned int enable) +{ + unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_PLLCTRL)) & + ~(DSIM_PLL_EN_SHIFT(0x1)); + + reg |= DSIM_PLL_EN_SHIFT(enable & 0x1); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_PLLCTRL); +} + +void exynos_mipi_dsi_set_byte_clock_src(struct mipi_dsim_device *dsim, + unsigned int src) +{ + unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_CLKCTRL)) & + ~(DSIM_BYTE_CLK_SRC_SHIFT(0x3)); + + reg |= (DSIM_BYTE_CLK_SRC_SHIFT(src)); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_CLKCTRL); +} + +void exynos_mipi_dsi_enable_byte_clock(struct mipi_dsim_device *dsim, + unsigned int enable) +{ + unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_CLKCTRL)) & + ~(DSIM_BYTE_CLKEN_SHIFT(0x1)); + + reg |= DSIM_BYTE_CLKEN_SHIFT(enable); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_CLKCTRL); +} + +void exynos_mipi_dsi_set_esc_clk_prs(struct mipi_dsim_device *dsim, + unsigned int enable, unsigned int prs_val) +{ + unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_CLKCTRL)) & + ~(DSIM_ESC_CLKEN_SHIFT(0x1) | 0xffff); + + reg |= DSIM_ESC_CLKEN_SHIFT(enable); + if (enable) + reg |= prs_val; + + writel(reg, dsim->reg_base + EXYNOS_DSIM_CLKCTRL); +} + +void exynos_mipi_dsi_enable_esc_clk_on_lane(struct mipi_dsim_device *dsim, + unsigned int lane_sel, unsigned int enable) +{ + unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_CLKCTRL); + + if (enable) + reg |= DSIM_LANE_ESC_CLKEN(lane_sel); + else + + reg &= ~DSIM_LANE_ESC_CLKEN(lane_sel); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_CLKCTRL); +} + +void exynos_mipi_dsi_force_dphy_stop_state(struct mipi_dsim_device *dsim, + unsigned int enable) +{ + unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_ESCMODE)) & + ~(DSIM_FORCE_STOP_STATE_SHIFT(0x1)); + + reg |= (DSIM_FORCE_STOP_STATE_SHIFT(enable & 0x1)); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_ESCMODE); +} + +unsigned int exynos_mipi_dsi_is_lane_state(struct mipi_dsim_device *dsim) +{ + unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_STATUS); + + /** + * check clock and data lane states. + * if MIPI-DSI controller was enabled at bootloader then + * TX_READY_HS_CLK is enabled otherwise STOP_STATE_CLK. + * so it should be checked for two case. + */ + if ((reg & DSIM_STOP_STATE_DAT(0xf)) && + ((reg & DSIM_STOP_STATE_CLK) || + (reg & DSIM_TX_READY_HS_CLK))) + return 1; + + return 0; +} + +void exynos_mipi_dsi_set_stop_state_counter(struct mipi_dsim_device *dsim, + unsigned int cnt_val) +{ + unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_ESCMODE)) & + ~(DSIM_STOP_STATE_CNT_SHIFT(0x7ff)); + + reg |= (DSIM_STOP_STATE_CNT_SHIFT(cnt_val & 0x7ff)); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_ESCMODE); +} + +void exynos_mipi_dsi_set_bta_timeout(struct mipi_dsim_device *dsim, + unsigned int timeout) +{ + unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_TIMEOUT)) & + ~(DSIM_BTA_TOUT_SHIFT(0xff)); + + reg |= (DSIM_BTA_TOUT_SHIFT(timeout)); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_TIMEOUT); +} + +void exynos_mipi_dsi_set_lpdr_timeout(struct mipi_dsim_device *dsim, + unsigned int timeout) +{ + unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_TIMEOUT)) & + ~(DSIM_LPDR_TOUT_SHIFT(0xffff)); + + reg |= (DSIM_LPDR_TOUT_SHIFT(timeout)); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_TIMEOUT); +} + +void exynos_mipi_dsi_set_cpu_transfer_mode(struct mipi_dsim_device *dsim, + unsigned int lp) +{ + unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_ESCMODE); + + reg &= ~DSIM_CMD_LPDT_LP; + + if (lp) + reg |= DSIM_CMD_LPDT_LP; + + writel(reg, dsim->reg_base + EXYNOS_DSIM_ESCMODE); +} + +void exynos_mipi_dsi_set_lcdc_transfer_mode(struct mipi_dsim_device *dsim, + unsigned int lp) +{ + unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_ESCMODE); + + reg &= ~DSIM_TX_LPDT_LP; + + if (lp) + reg |= DSIM_TX_LPDT_LP; + + writel(reg, dsim->reg_base + EXYNOS_DSIM_ESCMODE); +} + +void exynos_mipi_dsi_enable_hs_clock(struct mipi_dsim_device *dsim, + unsigned int enable) +{ + unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_CLKCTRL)) & + ~(DSIM_TX_REQUEST_HSCLK_SHIFT(0x1)); + + reg |= DSIM_TX_REQUEST_HSCLK_SHIFT(enable); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_CLKCTRL); +} + +void exynos_mipi_dsi_dp_dn_swap(struct mipi_dsim_device *dsim, + unsigned int swap_en) +{ + unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_PHYACCHR1); + + reg &= ~(0x3 << 0); + reg |= (swap_en & 0x3) << 0; + + writel(reg, dsim->reg_base + EXYNOS_DSIM_PHYACCHR1); +} + +void exynos_mipi_dsi_hs_zero_ctrl(struct mipi_dsim_device *dsim, + unsigned int hs_zero) +{ + unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_PLLCTRL)) & + ~(0xf << 28); + + reg |= ((hs_zero & 0xf) << 28); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_PLLCTRL); +} + +void exynos_mipi_dsi_prep_ctrl(struct mipi_dsim_device *dsim, unsigned int prep) +{ + unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_PLLCTRL)) & + ~(0x7 << 20); + + reg |= ((prep & 0x7) << 20); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_PLLCTRL); +} + +unsigned int exynos_mipi_dsi_read_interrupt(struct mipi_dsim_device *dsim) +{ + return readl(dsim->reg_base + EXYNOS_DSIM_INTSRC); +} + +void exynos_mipi_dsi_clear_interrupt(struct mipi_dsim_device *dsim, + unsigned int src) +{ + unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_INTSRC); + + reg |= src; + + writel(reg, dsim->reg_base + EXYNOS_DSIM_INTSRC); +} + +void exynos_mipi_dsi_set_interrupt(struct mipi_dsim_device *dsim, + unsigned int src, unsigned int enable) +{ + unsigned int reg = 0; + + if (enable) + reg |= src; + else + reg &= ~src; + + writel(reg, dsim->reg_base + EXYNOS_DSIM_INTSRC); +} + +unsigned int exynos_mipi_dsi_is_pll_stable(struct mipi_dsim_device *dsim) +{ + unsigned int reg; + + reg = readl(dsim->reg_base + EXYNOS_DSIM_STATUS); + + return reg & (1 << 31) ? 1 : 0; +} + +unsigned int exynos_mipi_dsi_get_fifo_state(struct mipi_dsim_device *dsim) +{ + return readl(dsim->reg_base + EXYNOS_DSIM_FIFOCTRL) & ~(0x1f); +} + +void exynos_mipi_dsi_wr_tx_header(struct mipi_dsim_device *dsim, + unsigned int di, unsigned int data0, unsigned int data1) +{ + unsigned int reg = (data1 << 16) | (data0 << 8) | ((di & 0x3f) << 0); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_PKTHDR); +} + +void exynos_mipi_dsi_rd_tx_header(struct mipi_dsim_device *dsim, + unsigned int di, unsigned int data0) +{ + unsigned int reg = (data0 << 8) | (di << 0); + + writel(reg, dsim->reg_base + EXYNOS_DSIM_PKTHDR); +} + +unsigned int exynos_mipi_dsi_rd_rx_fifo(struct mipi_dsim_device *dsim) +{ + return readl(dsim->reg_base + EXYNOS_DSIM_RXFIFO); +} + +unsigned int _exynos_mipi_dsi_get_frame_done_status(struct mipi_dsim_device *dsim) +{ + unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_INTSRC); + + return (reg & INTSRC_FRAME_DONE) ? 1 : 0; +} + +void _exynos_mipi_dsi_clear_frame_done(struct mipi_dsim_device *dsim) +{ + unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_INTSRC); + + writel(reg | INTSRC_FRAME_DONE, dsim->reg_base + + EXYNOS_DSIM_INTSRC); +} + +void exynos_mipi_dsi_wr_tx_data(struct mipi_dsim_device *dsim, + unsigned int tx_data) +{ + writel(tx_data, dsim->reg_base + EXYNOS_DSIM_PAYLOAD); +} diff --git a/drivers/video/exynos/exynos_mipi_dsi_lowlevel.h b/drivers/video/exynos/exynos_mipi_dsi_lowlevel.h new file mode 100644 index 0000000..8546070 --- /dev/null +++ b/drivers/video/exynos/exynos_mipi_dsi_lowlevel.h @@ -0,0 +1,112 @@ +/* linux/drivers/video/exynos/exynos_mipi_dsi_lowlevel.h + * + * Header file for Samsung SoC MIPI-DSI lowlevel driver. + * + * Copyright (c) 2012 Samsung Electronics Co., Ltd + * + * InKi Dae <inki.dae@samsung.com> + * Donghwa Lee <dh09.lee@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef _EXYNOS_MIPI_DSI_LOWLEVEL_H +#define _EXYNOS_MIPI_DSI_LOWLEVEL_H + +void exynos_mipi_dsi_func_reset(struct mipi_dsim_device *dsim); +void exynos_mipi_dsi_sw_reset(struct mipi_dsim_device *dsim); +void exynos_mipi_dsi_sw_reset_release(struct mipi_dsim_device *dsim); +int exynos_mipi_dsi_get_sw_reset_release(struct mipi_dsim_device *dsim); +void exynos_mipi_dsi_set_interrupt_mask(struct mipi_dsim_device *dsim, + unsigned int mode, unsigned int mask); +void exynos_mipi_dsi_set_data_lane_number(struct mipi_dsim_device *dsim, + unsigned int count); +void exynos_mipi_dsi_init_fifo_pointer(struct mipi_dsim_device *dsim, + unsigned int cfg); +void exynos_mipi_dsi_set_phy_tunning(struct mipi_dsim_device *dsim, + unsigned int value); +void exynos_mipi_dsi_set_phy_tunning(struct mipi_dsim_device *dsim, + unsigned int value); +void exynos_mipi_dsi_set_main_stand_by(struct mipi_dsim_device *dsim, + unsigned int enable); +void exynos_mipi_dsi_set_main_disp_resol(struct mipi_dsim_device *dsim, + unsigned int width_resol, unsigned int height_resol); +void exynos_mipi_dsi_set_main_disp_vporch(struct mipi_dsim_device *dsim, + unsigned int cmd_allow, unsigned int vfront, unsigned int vback); +void exynos_mipi_dsi_set_main_disp_hporch(struct mipi_dsim_device *dsim, + unsigned int front, unsigned int back); +void exynos_mipi_dsi_set_main_disp_sync_area(struct mipi_dsim_device *dsim, + unsigned int vert, unsigned int hori); +void exynos_mipi_dsi_set_sub_disp_resol(struct mipi_dsim_device *dsim, + unsigned int vert, unsigned int hori); +void exynos_mipi_dsi_init_config(struct mipi_dsim_device *dsim); +void exynos_mipi_dsi_display_config(struct mipi_dsim_device *dsim, + struct mipi_dsim_config *dsim_config); +void exynos_mipi_dsi_set_data_lane_number(struct mipi_dsim_device *dsim, + unsigned int count); +void exynos_mipi_dsi_enable_lane(struct mipi_dsim_device *dsim, unsigned int lane, + unsigned int enable); +void exynos_mipi_dsi_enable_afc(struct mipi_dsim_device *dsim, unsigned int enable, + unsigned int afc_code); +void exynos_mipi_dsi_enable_pll_bypass(struct mipi_dsim_device *dsim, + unsigned int enable); +void exynos_mipi_dsi_set_pll_pms(struct mipi_dsim_device *dsim, unsigned int p, + unsigned int m, unsigned int s); +void exynos_mipi_dsi_pll_freq_band(struct mipi_dsim_device *dsim, + unsigned int freq_band); +void exynos_mipi_dsi_pll_freq(struct mipi_dsim_device *dsim, + unsigned int pre_divider, unsigned int main_divider, + unsigned int scaler); +void exynos_mipi_dsi_pll_stable_time(struct mipi_dsim_device *dsim, + unsigned int lock_time); +void exynos_mipi_dsi_enable_pll(struct mipi_dsim_device *dsim, + unsigned int enable); +void exynos_mipi_dsi_set_byte_clock_src(struct mipi_dsim_device *dsim, + unsigned int src); +void exynos_mipi_dsi_enable_byte_clock(struct mipi_dsim_device *dsim, + unsigned int enable); +void exynos_mipi_dsi_set_esc_clk_prs(struct mipi_dsim_device *dsim, + unsigned int enable, unsigned int prs_val); +void exynos_mipi_dsi_enable_esc_clk_on_lane(struct mipi_dsim_device *dsim, + unsigned int lane_sel, unsigned int enable); +void exynos_mipi_dsi_force_dphy_stop_state(struct mipi_dsim_device *dsim, + unsigned int enable); +unsigned int exynos_mipi_dsi_is_lane_state(struct mipi_dsim_device *dsim); +void exynos_mipi_dsi_set_stop_state_counter(struct mipi_dsim_device *dsim, + unsigned int cnt_val); +void exynos_mipi_dsi_set_bta_timeout(struct mipi_dsim_device *dsim, + unsigned int timeout); +void exynos_mipi_dsi_set_lpdr_timeout(struct mipi_dsim_device *dsim, + unsigned int timeout); +void exynos_mipi_dsi_set_lcdc_transfer_mode(struct mipi_dsim_device *dsim, + unsigned int lp); +void exynos_mipi_dsi_set_cpu_transfer_mode(struct mipi_dsim_device *dsim, + unsigned int lp); +void exynos_mipi_dsi_enable_hs_clock(struct mipi_dsim_device *dsim, + unsigned int enable); +void exynos_mipi_dsi_dp_dn_swap(struct mipi_dsim_device *dsim, + unsigned int swap_en); +void exynos_mipi_dsi_hs_zero_ctrl(struct mipi_dsim_device *dsim, + unsigned int hs_zero); +void exynos_mipi_dsi_prep_ctrl(struct mipi_dsim_device *dsim, unsigned int prep); +unsigned int exynos_mipi_dsi_read_interrupt(struct mipi_dsim_device *dsim); +unsigned int exynos_mipi_dsi_read_interrupt_mask(struct mipi_dsim_device *dsim); +void exynos_mipi_dsi_clear_interrupt(struct mipi_dsim_device *dsim, + unsigned int src); +void exynos_mipi_dsi_set_interrupt(struct mipi_dsim_device *dsim, + unsigned int src, unsigned int enable); +unsigned int exynos_mipi_dsi_is_pll_stable(struct mipi_dsim_device *dsim); +unsigned int exynos_mipi_dsi_get_fifo_state(struct mipi_dsim_device *dsim); +unsigned int _exynos_mipi_dsi_get_frame_done_status(struct mipi_dsim_device *dsim); +void _exynos_mipi_dsi_clear_frame_done(struct mipi_dsim_device *dsim); +void exynos_mipi_dsi_wr_tx_header(struct mipi_dsim_device *dsim, unsigned int di, + unsigned int data0, unsigned int data1); +void exynos_mipi_dsi_wr_tx_data(struct mipi_dsim_device *dsim, + unsigned int tx_data); +void exynos_mipi_dsi_rd_tx_header(struct mipi_dsim_device *dsim, + unsigned int data0, unsigned int data1); +unsigned int exynos_mipi_dsi_rd_rx_fifo(struct mipi_dsim_device *dsim); + +#endif /* _EXYNOS_MIPI_DSI_LOWLEVEL_H */ diff --git a/drivers/video/exynos/exynos_mipi_dsi_regs.h b/drivers/video/exynos/exynos_mipi_dsi_regs.h new file mode 100644 index 0000000..4227106 --- /dev/null +++ b/drivers/video/exynos/exynos_mipi_dsi_regs.h @@ -0,0 +1,149 @@ +/* linux/driver/video/exynos/exynos_mipi_dsi_regs.h + * + * Register definition file for Samsung MIPI-DSIM driver + * + * Copyright (c) 2012 Samsung Electronics Co., Ltd + * + * InKi Dae <inki.dae@samsung.com> + * Donghwa Lee <dh09.lee@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef _EXYNOS_MIPI_DSI_REGS_H +#define _EXYNOS_MIPI_DSI_REGS_H + +#define EXYNOS_DSIM_STATUS 0x0 /* Status register */ +#define EXYNOS_DSIM_SWRST 0x4 /* Software reset register */ +#define EXYNOS_DSIM_CLKCTRL 0x8 /* Clock control register */ +#define EXYNOS_DSIM_TIMEOUT 0xc /* Time out register */ +#define EXYNOS_DSIM_CONFIG 0x10 /* Configuration register */ +#define EXYNOS_DSIM_ESCMODE 0x14 /* Escape mode register */ + +/* Main display image resolution register */ +#define EXYNOS_DSIM_MDRESOL 0x18 +#define EXYNOS_DSIM_MVPORCH 0x1c /* Main display Vporch register */ +#define EXYNOS_DSIM_MHPORCH 0x20 /* Main display Hporch register */ +#define EXYNOS_DSIM_MSYNC 0x24 /* Main display sync area register */ + +/* Sub display image resolution register */ +#define EXYNOS_DSIM_SDRESOL 0x28 +#define EXYNOS_DSIM_INTSRC 0x2c /* Interrupt source register */ +#define EXYNOS_DSIM_INTMSK 0x30 /* Interrupt mask register */ +#define EXYNOS_DSIM_PKTHDR 0x34 /* Packet Header FIFO register */ +#define EXYNOS_DSIM_PAYLOAD 0x38 /* Payload FIFO register */ +#define EXYNOS_DSIM_RXFIFO 0x3c /* Read FIFO register */ +#define EXYNOS_DSIM_FIFOTHLD 0x40 /* FIFO threshold level register */ +#define EXYNOS_DSIM_FIFOCTRL 0x44 /* FIFO status and control register */ + +/* FIFO memory AC characteristic register */ +#define EXYNOS_DSIM_PLLCTRL 0x4c /* PLL control register */ +#define EXYNOS_DSIM_PLLTMR 0x50 /* PLL timer register */ +#define EXYNOS_DSIM_PHYACCHR 0x54 /* D-PHY AC characteristic register */ +#define EXYNOS_DSIM_PHYACCHR1 0x58 /* D-PHY AC characteristic register1 */ + +/* DSIM_STATUS */ +#define DSIM_STOP_STATE_DAT(x) (((x) & 0xf) << 0) +#define DSIM_STOP_STATE_CLK (1 << 8) +#define DSIM_TX_READY_HS_CLK (1 << 10) + +/* DSIM_SWRST */ +#define DSIM_FUNCRST (1 << 16) +#define DSIM_SWRST (1 << 0) + +/* EXYNOS_DSIM_TIMEOUT */ +#define DSIM_LPDR_TOUT_SHIFT(x) ((x) << 0) +#define DSIM_BTA_TOUT_SHIFT(x) ((x) << 16) + +/* EXYNOS_DSIM_CLKCTRL */ +#define DSIM_LANE_ESC_CLKEN(x) (((x) & 0x1f) << 19) +#define DSIM_BYTE_CLKEN_SHIFT(x) ((x) << 24) +#define DSIM_BYTE_CLK_SRC_SHIFT(x) ((x) << 25) +#define DSIM_PLL_BYPASS_SHIFT(x) ((x) << 27) +#define DSIM_ESC_CLKEN_SHIFT(x) ((x) << 28) +#define DSIM_TX_REQUEST_HSCLK_SHIFT(x) ((x) << 31) + +/* EXYNOS_DSIM_CONFIG */ +#define DSIM_LANE_ENx(x) (((x) & 0x1f) << 0) +#define DSIM_NUM_OF_DATALANE_SHIFT(x) ((x) << 5) +#define DSIM_HSA_MODE_SHIFT(x) ((x) << 20) +#define DSIM_HBP_MODE_SHIFT(x) ((x) << 21) +#define DSIM_HFP_MODE_SHIFT(x) ((x) << 22) +#define DSIM_HSE_MODE_SHIFT(x) ((x) << 23) +#define DSIM_AUTO_MODE_SHIFT(x) ((x) << 24) +#define DSIM_EOT_DISABLE(x) ((x) << 28) +#define DSIM_AUTO_FLUSH(x) ((x) << 29) + +#define DSIM_NUM_OF_DATA_LANE(x) ((x) << DSIM_NUM_OF_DATALANE_SHIFT) + +/* EXYNOS_DSIM_ESCMODE */ +#define DSIM_TX_LPDT_LP (1 << 6) +#define DSIM_CMD_LPDT_LP (1 << 7) +#define DSIM_FORCE_STOP_STATE_SHIFT(x) ((x) << 20) +#define DSIM_STOP_STATE_CNT_SHIFT(x) ((x) << 21) + +/* EXYNOS_DSIM_MDRESOL */ +#define DSIM_MAIN_STAND_BY (1 << 31) +#define DSIM_MAIN_VRESOL(x) (((x) & 0x7ff) << 16) +#define DSIM_MAIN_HRESOL(x) (((x) & 0X7ff) << 0) + +/* EXYNOS_DSIM_MVPORCH */ +#define DSIM_CMD_ALLOW_SHIFT(x) ((x) << 28) +#define DSIM_STABLE_VFP_SHIFT(x) ((x) << 16) +#define DSIM_MAIN_VBP_SHIFT(x) ((x) << 0) +#define DSIM_CMD_ALLOW_MASK (0xf << 28) +#define DSIM_STABLE_VFP_MASK (0x7ff << 16) +#define DSIM_MAIN_VBP_MASK (0x7ff << 0) + +/* EXYNOS_DSIM_MHPORCH */ +#define DSIM_MAIN_HFP_SHIFT(x) ((x) << 16) +#define DSIM_MAIN_HBP_SHIFT(x) ((x) << 0) +#define DSIM_MAIN_HFP_MASK ((0xffff) << 16) +#define DSIM_MAIN_HBP_MASK ((0xffff) << 0) + +/* EXYNOS_DSIM_MSYNC */ +#define DSIM_MAIN_VSA_SHIFT(x) ((x) << 22) +#define DSIM_MAIN_HSA_SHIFT(x) ((x) << 0) +#define DSIM_MAIN_VSA_MASK ((0x3ff) << 22) +#define DSIM_MAIN_HSA_MASK ((0xffff) << 0) + +/* EXYNOS_DSIM_SDRESOL */ +#define DSIM_SUB_STANDY_SHIFT(x) ((x) << 31) +#define DSIM_SUB_VRESOL_SHIFT(x) ((x) << 16) +#define DSIM_SUB_HRESOL_SHIFT(x) ((x) << 0) +#define DSIM_SUB_STANDY_MASK ((0x1) << 31) +#define DSIM_SUB_VRESOL_MASK ((0x7ff) << 16) +#define DSIM_SUB_HRESOL_MASK ((0x7ff) << 0) + +/* EXYNOS_DSIM_INTSRC */ +#define INTSRC_PLL_STABLE (1 << 31) +#define INTSRC_SW_RST_RELEASE (1 << 30) +#define INTSRC_SFR_FIFO_EMPTY (1 << 29) +#define INTSRC_FRAME_DONE (1 << 24) +#define INTSRC_RX_DATA_DONE (1 << 18) + +/* EXYNOS_DSIM_INTMSK */ +#define INTMSK_FIFO_EMPTY (1 << 29) +#define INTMSK_BTA (1 << 25) +#define INTMSK_FRAME_DONE (1 << 24) +#define INTMSK_RX_TIMEOUT (1 << 21) +#define INTMSK_BTA_TIMEOUT (1 << 20) +#define INTMSK_RX_DONE (1 << 18) +#define INTMSK_RX_TE (1 << 17) +#define INTMSK_RX_ACK (1 << 16) +#define INTMSK_RX_ECC_ERR (1 << 15) +#define INTMSK_RX_CRC_ERR (1 << 14) + +/* EXYNOS_DSIM_FIFOCTRL */ +#define SFR_HEADER_EMPTY (1 << 22) + +/* EXYNOS_DSIM_PHYACCHR */ +#define DSIM_AFC_CTL(x) (((x) & 0x7) << 5) + +/* EXYNOS_DSIM_PLLCTRL */ +#define DSIM_PLL_EN_SHIFT(x) ((x) << 23) +#define DSIM_FREQ_BAND_SHIFT(x) ((x) << 24) + +#endif /* _EXYNOS_MIPI_DSI_REGS_H */ diff --git a/drivers/video/exynos/s6e8ax0.c b/drivers/video/exynos/s6e8ax0.c new file mode 100644 index 0000000..4aa9ac6 --- /dev/null +++ b/drivers/video/exynos/s6e8ax0.c @@ -0,0 +1,898 @@ +/* linux/drivers/video/exynos/s6e8ax0.c + * + * MIPI-DSI based s6e8ax0 AMOLED lcd 4.65 inch panel driver. + * + * Inki Dae, <inki.dae@samsung.com> + * Donghwa Lee, <dh09.lee@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/mutex.h> +#include <linux/wait.h> +#include <linux/ctype.h> +#include <linux/io.h> +#include <linux/delay.h> +#include <linux/irq.h> +#include <linux/interrupt.h> +#include <linux/lcd.h> +#include <linux/fb.h> +#include <linux/backlight.h> +#include <linux/regulator/consumer.h> + +#include <video/mipi_display.h> +#include <video/exynos_mipi_dsim.h> + +#define LDI_MTP_LENGTH 24 +#define DSIM_PM_STABLE_TIME 10 +#define MIN_BRIGHTNESS 0 +#define MAX_BRIGHTNESS 24 +#define GAMMA_TABLE_COUNT 26 + +#define POWER_IS_ON(pwr) ((pwr) == FB_BLANK_UNBLANK) +#define POWER_IS_OFF(pwr) ((pwr) == FB_BLANK_POWERDOWN) +#define POWER_IS_NRM(pwr) ((pwr) == FB_BLANK_NORMAL) + +#define lcd_to_master(a) (a->dsim_dev->master) +#define lcd_to_master_ops(a) ((lcd_to_master(a))->master_ops) + +enum { + DSIM_NONE_STATE = 0, + DSIM_RESUME_COMPLETE = 1, + DSIM_FRAME_DONE = 2, +}; + +struct s6e8ax0 { + struct device *dev; + unsigned int power; + unsigned int id; + unsigned int gamma; + unsigned int acl_enable; + unsigned int cur_acl; + + struct lcd_device *ld; + struct backlight_device *bd; + + struct mipi_dsim_lcd_device *dsim_dev; + struct lcd_platform_data *ddi_pd; + struct mutex lock; + bool enabled; +}; + + +static struct regulator_bulk_data supplies[] = { + { .supply = "vdd3", }, + { .supply = "vci", }, +}; + +static void s6e8ax0_regulator_enable(struct s6e8ax0 *lcd) +{ + int ret = 0; + struct lcd_platform_data *pd = NULL; + + pd = lcd->ddi_pd; + mutex_lock(&lcd->lock); + if (!lcd->enabled) { + ret = regulator_bulk_enable(ARRAY_SIZE(supplies), supplies); + if (ret) + goto out; + + lcd->enabled = true; + } + msleep(pd->power_on_delay); +out: + mutex_unlock(&lcd->lock); +} + +static void s6e8ax0_regulator_disable(struct s6e8ax0 *lcd) +{ + int ret = 0; + + mutex_lock(&lcd->lock); + if (lcd->enabled) { + ret = regulator_bulk_disable(ARRAY_SIZE(supplies), supplies); + if (ret) + goto out; + + lcd->enabled = false; + } +out: + mutex_unlock(&lcd->lock); +} + +static const unsigned char s6e8ax0_22_gamma_30[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xf5, 0x00, 0xff, 0xad, 0xaf, + 0xbA, 0xc3, 0xd8, 0xc5, 0x9f, 0xc6, 0x9e, 0xc1, 0xdc, 0xc0, + 0x00, 0x61, 0x00, 0x5a, 0x00, 0x74, +}; + +static const unsigned char s6e8ax0_22_gamma_50[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xe8, 0x1f, 0xf7, 0xad, 0xc0, + 0xb5, 0xc4, 0xdc, 0xc4, 0x9e, 0xc6, 0x9c, 0xbb, 0xd8, 0xbb, + 0x00, 0x70, 0x00, 0x68, 0x00, 0x86, +}; + +static const unsigned char s6e8ax0_22_gamma_60[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xde, 0x1f, 0xef, 0xad, 0xc4, + 0xb3, 0xc3, 0xdd, 0xc4, 0x9e, 0xc6, 0x9c, 0xbc, 0xd6, 0xba, + 0x00, 0x75, 0x00, 0x6e, 0x00, 0x8d, +}; + +static const unsigned char s6e8ax0_22_gamma_70[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xd8, 0x1f, 0xe7, 0xaf, 0xc8, + 0xb4, 0xc4, 0xdd, 0xc3, 0x9d, 0xc6, 0x9c, 0xbb, 0xd6, 0xb9, + 0x00, 0x7a, 0x00, 0x72, 0x00, 0x93, +}; + +static const unsigned char s6e8ax0_22_gamma_80[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xc9, 0x1f, 0xde, 0xae, 0xc9, + 0xb1, 0xc3, 0xdd, 0xc2, 0x9d, 0xc5, 0x9b, 0xbc, 0xd6, 0xbb, + 0x00, 0x7f, 0x00, 0x77, 0x00, 0x99, +}; + +static const unsigned char s6e8ax0_22_gamma_90[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xc7, 0x1f, 0xd9, 0xb0, 0xcc, + 0xb2, 0xc3, 0xdc, 0xc1, 0x9c, 0xc6, 0x9c, 0xbc, 0xd4, 0xb9, + 0x00, 0x83, 0x00, 0x7b, 0x00, 0x9e, +}; + +static const unsigned char s6e8ax0_22_gamma_100[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xbd, 0x80, 0xcd, 0xba, 0xce, + 0xb3, 0xc4, 0xde, 0xc3, 0x9c, 0xc4, 0x9, 0xb8, 0xd3, 0xb6, + 0x00, 0x88, 0x00, 0x80, 0x00, 0xa5, +}; + +static const unsigned char s6e8ax0_22_gamma_120[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb9, 0x95, 0xc8, 0xb1, 0xcf, + 0xb2, 0xc6, 0xdf, 0xc5, 0x9b, 0xc3, 0x99, 0xb6, 0xd2, 0xb6, + 0x00, 0x8f, 0x00, 0x86, 0x00, 0xac, +}; + +static const unsigned char s6e8ax0_22_gamma_130[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb7, 0xa0, 0xc7, 0xb1, 0xd0, + 0xb2, 0xc4, 0xdd, 0xc3, 0x9a, 0xc3, 0x98, 0xb6, 0xd0, 0xb4, + 0x00, 0x92, 0x00, 0x8a, 0x00, 0xb1, +}; + +static const unsigned char s6e8ax0_22_gamma_140[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb7, 0xa0, 0xc5, 0xb2, 0xd0, + 0xb3, 0xc3, 0xde, 0xc3, 0x9b, 0xc2, 0x98, 0xb6, 0xd0, 0xb4, + 0x00, 0x95, 0x00, 0x8d, 0x00, 0xb5, +}; + +static const unsigned char s6e8ax0_22_gamma_150[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb3, 0xa0, 0xc2, 0xb2, 0xd0, + 0xb2, 0xc1, 0xdd, 0xc2, 0x9b, 0xc2, 0x98, 0xb4, 0xcf, 0xb1, + 0x00, 0x99, 0x00, 0x90, 0x00, 0xba, +}; + +static const unsigned char s6e8ax0_22_gamma_160[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xa5, 0xbf, 0xb0, 0xd0, + 0xb1, 0xc3, 0xde, 0xc2, 0x99, 0xc1, 0x97, 0xb4, 0xce, 0xb1, + 0x00, 0x9c, 0x00, 0x93, 0x00, 0xbe, +}; + +static const unsigned char s6e8ax0_22_gamma_170[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xb5, 0xbf, 0xb1, 0xd1, + 0xb1, 0xc3, 0xde, 0xc3, 0x99, 0xc0, 0x96, 0xb4, 0xce, 0xb1, + 0x00, 0x9f, 0x00, 0x96, 0x00, 0xc2, +}; + +static const unsigned char s6e8ax0_22_gamma_180[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xb7, 0xbe, 0xb3, 0xd2, + 0xb3, 0xc3, 0xde, 0xc2, 0x97, 0xbf, 0x95, 0xb4, 0xcd, 0xb1, + 0x00, 0xa2, 0x00, 0x99, 0x00, 0xc5, +}; + +static const unsigned char s6e8ax0_22_gamma_190[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xb9, 0xbe, 0xb2, 0xd2, + 0xb2, 0xc3, 0xdd, 0xc3, 0x98, 0xbf, 0x95, 0xb2, 0xcc, 0xaf, + 0x00, 0xa5, 0x00, 0x9c, 0x00, 0xc9, +}; + +static const unsigned char s6e8ax0_22_gamma_200[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xb9, 0xbc, 0xb2, 0xd2, + 0xb1, 0xc4, 0xdd, 0xc3, 0x97, 0xbe, 0x95, 0xb1, 0xcb, 0xae, + 0x00, 0xa8, 0x00, 0x9f, 0x00, 0xcd, +}; + +static const unsigned char s6e8ax0_22_gamma_210[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb1, 0xc1, 0xbd, 0xb1, 0xd1, + 0xb1, 0xc2, 0xde, 0xc2, 0x97, 0xbe, 0x94, 0xB0, 0xc9, 0xad, + 0x00, 0xae, 0x00, 0xa4, 0x00, 0xd4, +}; + +static const unsigned char s6e8ax0_22_gamma_220[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb1, 0xc7, 0xbd, 0xb1, 0xd1, + 0xb1, 0xc2, 0xdd, 0xc2, 0x97, 0xbd, 0x94, 0xb0, 0xc9, 0xad, + 0x00, 0xad, 0x00, 0xa2, 0x00, 0xd3, +}; + +static const unsigned char s6e8ax0_22_gamma_230[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb1, 0xc3, 0xbd, 0xb2, 0xd1, + 0xb1, 0xc3, 0xdd, 0xc1, 0x96, 0xbd, 0x94, 0xb0, 0xc9, 0xad, + 0x00, 0xb0, 0x00, 0xa7, 0x00, 0xd7, +}; + +static const unsigned char s6e8ax0_22_gamma_240[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb1, 0xcb, 0xbd, 0xb1, 0xd2, + 0xb1, 0xc3, 0xdD, 0xc2, 0x95, 0xbd, 0x93, 0xaf, 0xc8, 0xab, + 0x00, 0xb3, 0x00, 0xa9, 0x00, 0xdb, +}; + +static const unsigned char s6e8ax0_22_gamma_250[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb3, 0xcc, 0xbe, 0xb0, 0xd2, + 0xb0, 0xc3, 0xdD, 0xc2, 0x94, 0xbc, 0x92, 0xae, 0xc8, 0xab, + 0x00, 0xb6, 0x00, 0xab, 0x00, 0xde, +}; + +static const unsigned char s6e8ax0_22_gamma_260[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb3, 0xd0, 0xbe, 0xaf, 0xd1, + 0xaf, 0xc2, 0xdd, 0xc1, 0x96, 0xbc, 0x93, 0xaf, 0xc8, 0xac, + 0x00, 0xb7, 0x00, 0xad, 0x00, 0xe0, +}; + +static const unsigned char s6e8ax0_22_gamma_270[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb2, 0xcF, 0xbd, 0xb0, 0xd2, + 0xaf, 0xc2, 0xdc, 0xc1, 0x95, 0xbd, 0x93, 0xae, 0xc6, 0xaa, + 0x00, 0xba, 0x00, 0xb0, 0x00, 0xe4, +}; + +static const unsigned char s6e8ax0_22_gamma_280[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb2, 0xd0, 0xbd, 0xaf, 0xd0, + 0xad, 0xc4, 0xdd, 0xc3, 0x95, 0xbd, 0x93, 0xac, 0xc5, 0xa9, + 0x00, 0xbd, 0x00, 0xb2, 0x00, 0xe7, +}; + +static const unsigned char s6e8ax0_22_gamma_300[] = { + 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb5, 0xd3, 0xbd, 0xb1, 0xd2, + 0xb0, 0xc0, 0xdc, 0xc0, 0x94, 0xba, 0x91, 0xac, 0xc5, 0xa9, + 0x00, 0xc2, 0x00, 0xb7, 0x00, 0xed, +}; + +static const unsigned char *s6e8ax0_22_gamma_table[] = { + s6e8ax0_22_gamma_30, + s6e8ax0_22_gamma_50, + s6e8ax0_22_gamma_60, + s6e8ax0_22_gamma_70, + s6e8ax0_22_gamma_80, + s6e8ax0_22_gamma_90, + s6e8ax0_22_gamma_100, + s6e8ax0_22_gamma_120, + s6e8ax0_22_gamma_130, + s6e8ax0_22_gamma_140, + s6e8ax0_22_gamma_150, + s6e8ax0_22_gamma_160, + s6e8ax0_22_gamma_170, + s6e8ax0_22_gamma_180, + s6e8ax0_22_gamma_190, + s6e8ax0_22_gamma_200, + s6e8ax0_22_gamma_210, + s6e8ax0_22_gamma_220, + s6e8ax0_22_gamma_230, + s6e8ax0_22_gamma_240, + s6e8ax0_22_gamma_250, + s6e8ax0_22_gamma_260, + s6e8ax0_22_gamma_270, + s6e8ax0_22_gamma_280, + s6e8ax0_22_gamma_300, +}; + +static void s6e8ax0_panel_cond(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + + static const unsigned char data_to_send[] = { + 0xf8, 0x3d, 0x35, 0x00, 0x00, 0x00, 0x93, 0x00, 0x3c, 0x7d, + 0x08, 0x27, 0x7d, 0x3f, 0x00, 0x00, 0x00, 0x20, 0x04, 0x08, + 0x6e, 0x00, 0x00, 0x00, 0x02, 0x08, 0x08, 0x23, 0x23, 0xc0, + 0xc8, 0x08, 0x48, 0xc1, 0x00, 0xc1, 0xff, 0xff, 0xc8 + }; + + ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, + data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_display_cond(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + static const unsigned char data_to_send[] = { + 0xf2, 0x80, 0x03, 0x0d + }; + + ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, + data_to_send, ARRAY_SIZE(data_to_send)); +} + +/* Gamma 2.2 Setting (200cd, 7500K, 10MPCD) */ +static void s6e8ax0_gamma_cond(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + unsigned int gamma = lcd->bd->props.brightness; + + ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, + s6e8ax0_22_gamma_table[gamma], + GAMMA_TABLE_COUNT); +} + +static void s6e8ax0_gamma_update(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + static const unsigned char data_to_send[] = { + 0xf7, 0x03 + }; + + ops->cmd_write(lcd_to_master(lcd), + MIPI_DSI_DCS_SHORT_WRITE_PARAM, data_to_send, + ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_etc_cond1(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + static const unsigned char data_to_send[] = { + 0xd1, 0xfe, 0x80, 0x00, 0x01, 0x0b, 0x00, 0x00, 0x40, + 0x0d, 0x00, 0x00 + }; + + ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, + data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_etc_cond2(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + static const unsigned char data_to_send[] = { + 0xb6, 0x0c, 0x02, 0x03, 0x32, 0xff, 0x44, 0x44, 0xc0, + 0x00 + }; + + ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, + data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_etc_cond3(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + static const unsigned char data_to_send[] = { + 0xe1, 0x10, 0x1c, 0x17, 0x08, 0x1d + }; + + ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, + data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_etc_cond4(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + static const unsigned char data_to_send[] = { + 0xe2, 0xed, 0x07, 0xc3, 0x13, 0x0d, 0x03 + }; + + ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, + data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_etc_cond5(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + static const unsigned char data_to_send[] = { + 0xf4, 0xcf, 0x0a, 0x12, 0x10, 0x19, 0x33, 0x02 + }; + + ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, + data_to_send, ARRAY_SIZE(data_to_send)); +} +static void s6e8ax0_etc_cond6(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + static const unsigned char data_to_send[] = { + 0xe3, 0x40 + }; + + ops->cmd_write(lcd_to_master(lcd), + MIPI_DSI_DCS_SHORT_WRITE_PARAM, + data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_etc_cond7(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + static const unsigned char data_to_send[] = { + 0xe4, 0x00, 0x00, 0x14, 0x80, 0x00, 0x00, 0x00 + }; + + ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, + data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_elvss_set(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + static const unsigned char data_to_send[] = { + 0xb1, 0x04, 0x00 + }; + + ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, + data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_elvss_nvm_set(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + static const unsigned char data_to_send[] = { + 0xd9, 0x5c, 0x20, 0x0c, 0x0f, 0x41, 0x00, 0x10, 0x11, + 0x12, 0xd1, 0x00, 0x00, 0x00, 0x00, 0x80, 0xcb, 0xed, + 0x64, 0xaf + }; + + ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, + data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_sleep_in(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + static const unsigned char data_to_send[] = { + 0x10, 0x00 + }; + + ops->cmd_write(lcd_to_master(lcd), + MIPI_DSI_DCS_SHORT_WRITE, + data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_sleep_out(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + static const unsigned char data_to_send[] = { + 0x11, 0x00 + }; + + ops->cmd_write(lcd_to_master(lcd), + MIPI_DSI_DCS_SHORT_WRITE, + data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_display_on(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + static const unsigned char data_to_send[] = { + 0x29, 0x00 + }; + + ops->cmd_write(lcd_to_master(lcd), + MIPI_DSI_DCS_SHORT_WRITE, + data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_display_off(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + static const unsigned char data_to_send[] = { + 0x28, 0x00 + }; + + ops->cmd_write(lcd_to_master(lcd), + MIPI_DSI_DCS_SHORT_WRITE, + data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_apply_level2_key(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + static const unsigned char data_to_send[] = { + 0xf0, 0x5a, 0x5a + }; + + ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, + data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_acl_on(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + static const unsigned char data_to_send[] = { + 0xc0, 0x01 + }; + + ops->cmd_write(lcd_to_master(lcd), + MIPI_DSI_DCS_SHORT_WRITE, + data_to_send, ARRAY_SIZE(data_to_send)); +} + +static void s6e8ax0_acl_off(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + static const unsigned char data_to_send[] = { + 0xc0, 0x00 + }; + + ops->cmd_write(lcd_to_master(lcd), + MIPI_DSI_DCS_SHORT_WRITE, + data_to_send, ARRAY_SIZE(data_to_send)); +} + +/* Full white 50% reducing setting */ +static void s6e8ax0_acl_ctrl_set(struct s6e8ax0 *lcd) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + /* Full white 50% reducing setting */ + static const unsigned char cutoff_50[] = { + 0xc1, 0x47, 0x53, 0x13, 0x53, 0x00, 0x00, 0x02, 0xcf, + 0x00, 0x00, 0x04, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x01, 0x08, 0x0f, 0x16, 0x1d, 0x24, 0x2a, 0x31, 0x38, + 0x3f, 0x46 + }; + /* Full white 45% reducing setting */ + static const unsigned char cutoff_45[] = { + 0xc1, 0x47, 0x53, 0x13, 0x53, 0x00, 0x00, 0x02, 0xcf, + 0x00, 0x00, 0x04, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x01, 0x07, 0x0d, 0x13, 0x19, 0x1f, 0x25, 0x2b, 0x31, + 0x37, 0x3d + }; + /* Full white 40% reducing setting */ + static const unsigned char cutoff_40[] = { + 0xc1, 0x47, 0x53, 0x13, 0x53, 0x00, 0x00, 0x02, 0xcf, + 0x00, 0x00, 0x04, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x01, 0x06, 0x0c, 0x11, 0x16, 0x1c, 0x21, 0x26, 0x2b, + 0x31, 0x36 + }; + + if (lcd->acl_enable) { + if (lcd->cur_acl == 0) { + if (lcd->gamma == 0 || lcd->gamma == 1) { + s6e8ax0_acl_off(lcd); + dev_dbg(&lcd->ld->dev, + "cur_acl=%d\n", lcd->cur_acl); + } else + s6e8ax0_acl_on(lcd); + } + switch (lcd->gamma) { + case 0: /* 30cd */ + s6e8ax0_acl_off(lcd); + lcd->cur_acl = 0; + break; + case 1 ... 3: /* 50cd ~ 90cd */ + ops->cmd_write(lcd_to_master(lcd), + MIPI_DSI_DCS_LONG_WRITE, + cutoff_40, + ARRAY_SIZE(cutoff_40)); + lcd->cur_acl = 40; + break; + case 4 ... 7: /* 120cd ~ 210cd */ + ops->cmd_write(lcd_to_master(lcd), + MIPI_DSI_DCS_LONG_WRITE, + cutoff_45, + ARRAY_SIZE(cutoff_45)); + lcd->cur_acl = 45; + break; + case 8 ... 10: /* 220cd ~ 300cd */ + ops->cmd_write(lcd_to_master(lcd), + MIPI_DSI_DCS_LONG_WRITE, + cutoff_50, + ARRAY_SIZE(cutoff_50)); + lcd->cur_acl = 50; + break; + default: + break; + } + } else { + s6e8ax0_acl_off(lcd); + lcd->cur_acl = 0; + dev_dbg(&lcd->ld->dev, "cur_acl = %d\n", lcd->cur_acl); + } +} + +static void s6e8ax0_read_id(struct s6e8ax0 *lcd, u8 *mtp_id) +{ + unsigned int ret; + unsigned int addr = 0xd1; /* MTP ID */ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + + ret = ops->cmd_read(lcd_to_master(lcd), + MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM, + addr, 3, mtp_id); +} + +static int s6e8ax0_panel_init(struct s6e8ax0 *lcd) +{ + s6e8ax0_apply_level2_key(lcd); + s6e8ax0_sleep_out(lcd); + msleep(1); + s6e8ax0_panel_cond(lcd); + s6e8ax0_display_cond(lcd); + s6e8ax0_gamma_cond(lcd); + s6e8ax0_gamma_update(lcd); + + s6e8ax0_etc_cond1(lcd); + s6e8ax0_etc_cond2(lcd); + s6e8ax0_etc_cond3(lcd); + s6e8ax0_etc_cond4(lcd); + s6e8ax0_etc_cond5(lcd); + s6e8ax0_etc_cond6(lcd); + s6e8ax0_etc_cond7(lcd); + + s6e8ax0_elvss_nvm_set(lcd); + s6e8ax0_elvss_set(lcd); + + s6e8ax0_acl_ctrl_set(lcd); + s6e8ax0_acl_on(lcd); + + /* if ID3 value is not 33h, branch private elvss mode */ + msleep(lcd->ddi_pd->power_on_delay); + + return 0; +} + +static int s6e8ax0_update_gamma_ctrl(struct s6e8ax0 *lcd, int brightness) +{ + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + + ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, + s6e8ax0_22_gamma_table[brightness], + ARRAY_SIZE(s6e8ax0_22_gamma_table)); + + /* update gamma table. */ + s6e8ax0_gamma_update(lcd); + lcd->gamma = brightness; + + return 0; +} + +static int s6e8ax0_gamma_ctrl(struct s6e8ax0 *lcd, int gamma) +{ + s6e8ax0_update_gamma_ctrl(lcd, gamma); + + return 0; +} + +static int s6e8ax0_set_power(struct lcd_device *ld, int power) +{ + struct s6e8ax0 *lcd = lcd_get_data(ld); + struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + int ret = 0; + + if (power != FB_BLANK_UNBLANK && power != FB_BLANK_POWERDOWN && + power != FB_BLANK_NORMAL) { + dev_err(lcd->dev, "power value should be 0, 1 or 4.\n"); + return -EINVAL; + } + + if ((power == FB_BLANK_UNBLANK) && ops->set_blank_mode) { + /* LCD power on */ + if ((POWER_IS_ON(power) && POWER_IS_OFF(lcd->power)) + || (POWER_IS_ON(power) && POWER_IS_NRM(lcd->power))) { + ret = ops->set_blank_mode(lcd_to_master(lcd), power); + if (!ret && lcd->power != power) + lcd->power = power; + } + } else if ((power == FB_BLANK_POWERDOWN) && ops->set_early_blank_mode) { + /* LCD power off */ + if ((POWER_IS_OFF(power) && POWER_IS_ON(lcd->power)) || + (POWER_IS_ON(lcd->power) && POWER_IS_NRM(power))) { + ret = ops->set_early_blank_mode(lcd_to_master(lcd), + power); + if (!ret && lcd->power != power) + lcd->power = power; + } + } + + return ret; +} + +static int s6e8ax0_get_power(struct lcd_device *ld) +{ + struct s6e8ax0 *lcd = lcd_get_data(ld); + + return lcd->power; +} + +static int s6e8ax0_get_brightness(struct backlight_device *bd) +{ + return bd->props.brightness; +} + +static int s6e8ax0_set_brightness(struct backlight_device *bd) +{ + int ret = 0, brightness = bd->props.brightness; + struct s6e8ax0 *lcd = bl_get_data(bd); + + if (brightness < MIN_BRIGHTNESS || + brightness > bd->props.max_brightness) { + dev_err(lcd->dev, "lcd brightness should be %d to %d.\n", + MIN_BRIGHTNESS, MAX_BRIGHTNESS); + return -EINVAL; + } + + ret = s6e8ax0_gamma_ctrl(lcd, brightness); + if (ret) { + dev_err(&bd->dev, "lcd brightness setting failed.\n"); + return -EIO; + } + + return ret; +} + +static struct lcd_ops s6e8ax0_lcd_ops = { + .set_power = s6e8ax0_set_power, + .get_power = s6e8ax0_get_power, +}; + +static const struct backlight_ops s6e8ax0_backlight_ops = { + .get_brightness = s6e8ax0_get_brightness, + .update_status = s6e8ax0_set_brightness, +}; + +static void s6e8ax0_power_on(struct mipi_dsim_lcd_device *dsim_dev, int power) +{ + struct s6e8ax0 *lcd = dev_get_drvdata(&dsim_dev->dev); + + msleep(lcd->ddi_pd->power_on_delay); + + /* lcd power on */ + if (power) + s6e8ax0_regulator_enable(lcd); + else + s6e8ax0_regulator_disable(lcd); + + msleep(lcd->ddi_pd->reset_delay); + + /* lcd reset */ + if (lcd->ddi_pd->reset) + lcd->ddi_pd->reset(lcd->ld); + msleep(5); +} + +static void s6e8ax0_set_sequence(struct mipi_dsim_lcd_device *dsim_dev) +{ + struct s6e8ax0 *lcd = dev_get_drvdata(&dsim_dev->dev); + + s6e8ax0_panel_init(lcd); + s6e8ax0_display_on(lcd); + + lcd->power = FB_BLANK_UNBLANK; +} + +static int s6e8ax0_probe(struct mipi_dsim_lcd_device *dsim_dev) +{ + struct s6e8ax0 *lcd; + int ret; + u8 mtp_id[3] = {0, }; + + lcd = kzalloc(sizeof(struct s6e8ax0), GFP_KERNEL); + if (!lcd) { + dev_err(&dsim_dev->dev, "failed to allocate s6e8ax0 structure.\n"); + return -ENOMEM; + } + + lcd->dsim_dev = dsim_dev; + lcd->ddi_pd = (struct lcd_platform_data *)dsim_dev->platform_data; + lcd->dev = &dsim_dev->dev; + + mutex_init(&lcd->lock); + + ret = regulator_bulk_get(lcd->dev, ARRAY_SIZE(supplies), supplies); + if (ret) { + dev_err(lcd->dev, "Failed to get regulators: %d\n", ret); + goto err_lcd_register; + } + + lcd->ld = lcd_device_register("s6e8ax0", lcd->dev, lcd, + &s6e8ax0_lcd_ops); + if (IS_ERR(lcd->ld)) { + dev_err(lcd->dev, "failed to register lcd ops.\n"); + ret = PTR_ERR(lcd->ld); + goto err_lcd_register; + } + + lcd->bd = backlight_device_register("s6e8ax0-bl", lcd->dev, lcd, + &s6e8ax0_backlight_ops, NULL); + if (IS_ERR(lcd->bd)) { + dev_err(lcd->dev, "failed to register backlight ops.\n"); + ret = PTR_ERR(lcd->bd); + goto err_backlight_register; + } + + lcd->bd->props.max_brightness = MAX_BRIGHTNESS; + lcd->bd->props.brightness = MAX_BRIGHTNESS; + + s6e8ax0_read_id(lcd, mtp_id); + if (mtp_id[0] == 0x00) + dev_err(lcd->dev, "read id failed\n"); + + dev_info(lcd->dev, "Read ID : %x, %x, %x\n", + mtp_id[0], mtp_id[1], mtp_id[2]); + + if (mtp_id[2] == 0x33) + dev_info(lcd->dev, + "ID-3 is 0xff does not support dynamic elvss\n"); + else + dev_info(lcd->dev, + "ID-3 is 0x%x support dynamic elvss\n", mtp_id[2]); + + lcd->acl_enable = 1; + lcd->cur_acl = 0; + + dev_set_drvdata(&dsim_dev->dev, lcd); + + dev_dbg(lcd->dev, "probed s6e8ax0 panel driver.\n"); + + return 0; + +err_backlight_register: + lcd_device_unregister(lcd->ld); + +err_lcd_register: + regulator_bulk_free(ARRAY_SIZE(supplies), supplies); + kfree(lcd); + + return ret; +} + +#ifdef CONFIG_PM +static int s6e8ax0_suspend(struct mipi_dsim_lcd_device *dsim_dev) +{ + struct s6e8ax0 *lcd = dev_get_drvdata(&dsim_dev->dev); + + s6e8ax0_sleep_in(lcd); + msleep(lcd->ddi_pd->power_off_delay); + s6e8ax0_display_off(lcd); + + s6e8ax0_regulator_disable(lcd); + + return 0; +} + +static int s6e8ax0_resume(struct mipi_dsim_lcd_device *dsim_dev) +{ + struct s6e8ax0 *lcd = dev_get_drvdata(&dsim_dev->dev); + + s6e8ax0_sleep_out(lcd); + msleep(lcd->ddi_pd->power_on_delay); + + s6e8ax0_regulator_enable(lcd); + s6e8ax0_set_sequence(dsim_dev); + + return 0; +} +#else +#define s6e8ax0_suspend NULL +#define s6e8ax0_resume NULL +#endif + +static struct mipi_dsim_lcd_driver s6e8ax0_dsim_ddi_driver = { + .name = "s6e8ax0", + .id = -1, + + .power_on = s6e8ax0_power_on, + .set_sequence = s6e8ax0_set_sequence, + .probe = s6e8ax0_probe, + .suspend = s6e8ax0_suspend, + .resume = s6e8ax0_resume, +}; + +static int s6e8ax0_init(void) +{ + exynos_mipi_dsi_register_lcd_driver(&s6e8ax0_dsim_ddi_driver); + + return 0; +} + +static void s6e8ax0_exit(void) +{ + return; +} + +module_init(s6e8ax0_init); +module_exit(s6e8ax0_exit); + +MODULE_AUTHOR("Donghwa Lee <dh09.lee@samsung.com>"); +MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>"); +MODULE_DESCRIPTION("MIPI-DSI based s6e8ax0 AMOLED LCD Panel Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/exynos/s6e8ax0.h b/drivers/video/exynos/s6e8ax0.h new file mode 100644 index 0000000..1f1b270 --- /dev/null +++ b/drivers/video/exynos/s6e8ax0.h @@ -0,0 +1,21 @@ +/* linux/drivers/video/backlight/s6e8ax0.h + * + * MIPI-DSI based s6e8ax0 AMOLED LCD Panel definitions. + * + * Copyright (c) 2011 Samsung Electronics + * + * Inki Dae, <inki.dae@samsung.com> + * Donghwa Lee <dh09.lee@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef _S6E8AX0_H +#define _S6E8AX0_H + +extern void s6e8ax0_init(void); + +#endif + diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index ac9141b..c6ce416 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1665,6 +1665,7 @@ static int do_unregister_framebuffer(struct fb_info *fb_info) if (ret) return -EINVAL; + unlink_framebuffer(fb_info); if (fb_info->pixmap.addr && (fb_info->pixmap.flags & FB_PIXMAP_DEFAULT)) kfree(fb_info->pixmap.addr); @@ -1672,7 +1673,6 @@ static int do_unregister_framebuffer(struct fb_info *fb_info) registered_fb[i] = NULL; num_registered_fb--; fb_cleanup_device(fb_info); - device_destroy(fb_class, MKDEV(FB_MAJOR, i)); event.info = fb_info; fb_notifier_call_chain(FB_EVENT_FB_UNREGISTERED, &event); @@ -1681,6 +1681,22 @@ static int do_unregister_framebuffer(struct fb_info *fb_info) return 0; } +int unlink_framebuffer(struct fb_info *fb_info) +{ + int i; + + i = fb_info->node; + if (i < 0 || i >= FB_MAX || registered_fb[i] != fb_info) + return -EINVAL; + + if (fb_info->dev) { + device_destroy(fb_class, MKDEV(FB_MAJOR, i)); + fb_info->dev = NULL; + } + return 0; +} +EXPORT_SYMBOL(unlink_framebuffer); + void remove_conflicting_framebuffers(struct apertures_struct *a, const char *name, bool primary) { diff --git a/drivers/video/i740_reg.h b/drivers/video/i740_reg.h new file mode 100644 index 0000000..91bac76 --- /dev/null +++ b/drivers/video/i740_reg.h @@ -0,0 +1,309 @@ +/************************************************************************** + +Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. +All Rights Reserved. + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sub license, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice (including the +next paragraph) shall be included in all copies or substantial portions +of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. +IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR +ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +**************************************************************************/ + +/* + * Authors: + * Kevin E. Martin <kevin@precisioninsight.com> + */ + +/* I/O register offsets */ +#define SRX VGA_SEQ_I +#define GRX VGA_GFX_I +#define ARX VGA_ATT_IW +#define XRX 0x3D6 +#define MRX 0x3D2 + +/* VGA Color Palette Registers */ +#define DACMASK 0x3C6 +#define DACSTATE 0x3C7 +#define DACRX 0x3C7 +#define DACWX 0x3C8 +#define DACDATA 0x3C9 + +/* CRT Controller Registers (CRX) */ +#define START_ADDR_HI 0x0C +#define START_ADDR_LO 0x0D +#define VERT_SYNC_END 0x11 +#define EXT_VERT_TOTAL 0x30 +#define EXT_VERT_DISPLAY 0x31 +#define EXT_VERT_SYNC_START 0x32 +#define EXT_VERT_BLANK_START 0x33 +#define EXT_HORIZ_TOTAL 0x35 +#define EXT_HORIZ_BLANK 0x39 +#define EXT_START_ADDR 0x40 +#define EXT_START_ADDR_ENABLE 0x80 +#define EXT_OFFSET 0x41 +#define EXT_START_ADDR_HI 0x42 +#define INTERLACE_CNTL 0x70 +#define INTERLACE_ENABLE 0x80 +#define INTERLACE_DISABLE 0x00 + +/* Miscellaneous Output Register */ +#define MSR_R 0x3CC +#define MSR_W 0x3C2 +#define IO_ADDR_SELECT 0x01 + +#define MDA_BASE 0x3B0 +#define CGA_BASE 0x3D0 + +/* System Configuration Extension Registers (XRX) */ +#define IO_CTNL 0x09 +#define EXTENDED_ATTR_CNTL 0x02 +#define EXTENDED_CRTC_CNTL 0x01 + +#define ADDRESS_MAPPING 0x0A +#define PACKED_MODE_ENABLE 0x04 +#define LINEAR_MODE_ENABLE 0x02 +#define PAGE_MAPPING_ENABLE 0x01 + +#define BITBLT_CNTL 0x20 +#define COLEXP_MODE 0x30 +#define COLEXP_8BPP 0x00 +#define COLEXP_16BPP 0x10 +#define COLEXP_24BPP 0x20 +#define COLEXP_RESERVED 0x30 +#define CHIP_RESET 0x02 +#define BITBLT_STATUS 0x01 + +#define DISPLAY_CNTL 0x40 +#define VGA_WRAP_MODE 0x02 +#define VGA_WRAP_AT_256KB 0x00 +#define VGA_NO_WRAP 0x02 +#define GUI_MODE 0x01 +#define STANDARD_VGA_MODE 0x00 +#define HIRES_MODE 0x01 + +#define DRAM_ROW_TYPE 0x50 +#define DRAM_ROW_0 0x07 +#define DRAM_ROW_0_SDRAM 0x00 +#define DRAM_ROW_0_EMPTY 0x07 +#define DRAM_ROW_1 0x38 +#define DRAM_ROW_1_SDRAM 0x00 +#define DRAM_ROW_1_EMPTY 0x38 +#define DRAM_ROW_CNTL_LO 0x51 +#define DRAM_CAS_LATENCY 0x10 +#define DRAM_RAS_TIMING 0x08 +#define DRAM_RAS_PRECHARGE 0x04 +#define DRAM_ROW_CNTL_HI 0x52 +#define DRAM_EXT_CNTL 0x53 +#define DRAM_REFRESH_RATE 0x03 +#define DRAM_REFRESH_DISABLE 0x00 +#define DRAM_REFRESH_60HZ 0x01 +#define DRAM_REFRESH_FAST_TEST 0x02 +#define DRAM_REFRESH_RESERVED 0x03 +#define DRAM_TIMING 0x54 +#define DRAM_ROW_BNDRY_0 0x55 +#define DRAM_ROW_BNDRY_1 0x56 + +#define DPMS_SYNC_SELECT 0x61 +#define VSYNC_CNTL 0x08 +#define VSYNC_ON 0x00 +#define VSYNC_OFF 0x08 +#define HSYNC_CNTL 0x02 +#define HSYNC_ON 0x00 +#define HSYNC_OFF 0x02 + +#define PIXPIPE_CONFIG_0 0x80 +#define DAC_8_BIT 0x80 +#define DAC_6_BIT 0x00 +#define HW_CURSOR_ENABLE 0x10 +#define EXTENDED_PALETTE 0x01 + +#define PIXPIPE_CONFIG_1 0x81 +#define DISPLAY_COLOR_MODE 0x0F +#define DISPLAY_VGA_MODE 0x00 +#define DISPLAY_8BPP_MODE 0x02 +#define DISPLAY_15BPP_MODE 0x04 +#define DISPLAY_16BPP_MODE 0x05 +#define DISPLAY_24BPP_MODE 0x06 +#define DISPLAY_32BPP_MODE 0x07 + +#define PIXPIPE_CONFIG_2 0x82 +#define DISPLAY_GAMMA_ENABLE 0x08 +#define DISPLAY_GAMMA_DISABLE 0x00 +#define OVERLAY_GAMMA_ENABLE 0x04 +#define OVERLAY_GAMMA_DISABLE 0x00 + +#define CURSOR_CONTROL 0xA0 +#define CURSOR_ORIGIN_SCREEN 0x00 +#define CURSOR_ORIGIN_DISPLAY 0x10 +#define CURSOR_MODE 0x07 +#define CURSOR_MODE_DISABLE 0x00 +#define CURSOR_MODE_32_4C_AX 0x01 +#define CURSOR_MODE_128_2C 0x02 +#define CURSOR_MODE_128_1C 0x03 +#define CURSOR_MODE_64_3C 0x04 +#define CURSOR_MODE_64_4C_AX 0x05 +#define CURSOR_MODE_64_4C 0x06 +#define CURSOR_MODE_RESERVED 0x07 +#define CURSOR_BASEADDR_LO 0xA2 +#define CURSOR_BASEADDR_HI 0xA3 +#define CURSOR_X_LO 0xA4 +#define CURSOR_X_HI 0xA5 +#define CURSOR_X_POS 0x00 +#define CURSOR_X_NEG 0x80 +#define CURSOR_Y_LO 0xA6 +#define CURSOR_Y_HI 0xA7 +#define CURSOR_Y_POS 0x00 +#define CURSOR_Y_NEG 0x80 + +#define VCLK2_VCO_M 0xC8 +#define VCLK2_VCO_N 0xC9 +#define VCLK2_VCO_MN_MSBS 0xCA +#define VCO_N_MSBS 0x30 +#define VCO_M_MSBS 0x03 +#define VCLK2_VCO_DIV_SEL 0xCB +#define POST_DIV_SELECT 0x70 +#define POST_DIV_1 0x00 +#define POST_DIV_2 0x10 +#define POST_DIV_4 0x20 +#define POST_DIV_8 0x30 +#define POST_DIV_16 0x40 +#define POST_DIV_32 0x50 +#define VCO_LOOP_DIV_BY_4M 0x00 +#define VCO_LOOP_DIV_BY_16M 0x04 +#define REF_CLK_DIV_BY_5 0x02 +#define REF_DIV_4 0x00 +#define REF_DIV_1 0x01 + +#define PLL_CNTL 0xCE +#define PLL_MEMCLK_SEL 0x03 +#define PLL_MEMCLK__66667KHZ 0x00 +#define PLL_MEMCLK__75000KHZ 0x01 +#define PLL_MEMCLK__88889KHZ 0x02 +#define PLL_MEMCLK_100000KHZ 0x03 + +/* Multimedia Extension Registers (MRX) */ +#define ACQ_CNTL_1 0x02 +#define ACQ_CNTL_2 0x03 +#define FRAME_CAP_MODE 0x01 +#define CONT_CAP_MODE 0x00 +#define SINGLE_CAP_MODE 0x01 +#define ACQ_CNTL_3 0x04 +#define COL_KEY_CNTL_1 0x3C +#define BLANK_DISP_OVERLAY 0x20 + +/* FIFOs */ +#define LP_FIFO 0x1000 +#define HP_FIFO 0x2000 +#define INSTPNT 0x3040 +#define LP_FIFO_COUNT 0x3040 +#define HP_FIFO_COUNT 0x3041 + +/* FIFO Commands */ +#define CLIENT 0xE0000000 +#define CLIENT_2D 0x60000000 + +/* Command Parser Mode Register */ +#define COMPARS 0x3038 +#define TWO_D_INST_DISABLE 0x08 +#define THREE_D_INST_DISABLE 0x04 +#define STATE_VAR_UPDATE_DISABLE 0x02 +#define PAL_STIP_DISABLE 0x01 + +/* Interrupt Control Registers */ +#define IER 0x3030 +#define IIR 0x3032 +#define IMR 0x3034 +#define ISR 0x3036 +#define VMIINTB_EVENT 0x2000 +#define GPIO4_INT 0x1000 +#define DISP_FLIP_EVENT 0x0800 +#define DVD_PORT_DMA 0x0400 +#define DISP_VBLANK 0x0200 +#define FIFO_EMPTY_DMA_DONE 0x0100 +#define INST_PARSER_ERROR 0x0080 +#define USER_DEFINED 0x0040 +#define BREAKPOINT 0x0020 +#define DISP_HORIZ_COUNT 0x0010 +#define DISP_VSYNC 0x0008 +#define CAPTURE_HORIZ_COUNT 0x0004 +#define CAPTURE_VSYNC 0x0002 +#define THREE_D_PIPE_FLUSHED 0x0001 + +/* FIFO Watermark and Burst Length Control Register */ +#define FWATER_BLC 0x00006000 +#define LMI_BURST_LENGTH 0x7F000000 +#define LMI_FIFO_WATERMARK 0x003F0000 +#define AGP_BURST_LENGTH 0x00007F00 +#define AGP_FIFO_WATERMARK 0x0000003F + +/* BitBLT Registers */ +#define SRC_DST_PITCH 0x00040000 +#define DST_PITCH 0x1FFF0000 +#define SRC_PITCH 0x00001FFF +#define COLEXP_BG_COLOR 0x00040004 +#define COLEXP_FG_COLOR 0x00040008 +#define MONO_SRC_CNTL 0x0004000C +#define MONO_USE_COLEXP 0x00000000 +#define MONO_USE_SRCEXP 0x08000000 +#define MONO_DATA_ALIGN 0x07000000 +#define MONO_BIT_ALIGN 0x01000000 +#define MONO_BYTE_ALIGN 0x02000000 +#define MONO_WORD_ALIGN 0x03000000 +#define MONO_DWORD_ALIGN 0x04000000 +#define MONO_QWORD_ALIGN 0x05000000 +#define MONO_SRC_INIT_DSCRD 0x003F0000 +#define MONO_SRC_RIGHT_CLIP 0x00003F00 +#define MONO_SRC_LEFT_CLIP 0x0000003F +#define BITBLT_CONTROL 0x00040010 +#define BLTR_STATUS 0x80000000 +#define DYN_DEPTH 0x03000000 +#define DYN_DEPTH_8BPP 0x00000000 +#define DYN_DEPTH_16BPP 0x01000000 +#define DYN_DEPTH_24BPP 0x02000000 +#define DYN_DEPTH_32BPP 0x03000000 /* Unimplemented on the i740 */ +#define DYN_DEPTH_ENABLE 0x00800000 +#define PAT_VERT_ALIGN 0x00700000 +#define SOLID_PAT_SELECT 0x00080000 +#define PAT_IS_IN_COLOR 0x00000000 +#define PAT_IS_MONO 0x00040000 +#define MONO_PAT_TRANSP 0x00020000 +#define COLOR_TRANSP_ROP 0x00000000 +#define COLOR_TRANSP_DST 0x00008000 +#define COLOR_TRANSP_EQ 0x00000000 +#define COLOR_TRANSP_NOT_EQ 0x00010000 +#define COLOR_TRANSP_ENABLE 0x00004000 +#define MONO_SRC_TRANSP 0x00002000 +#define SRC_IS_IN_COLOR 0x00000000 +#define SRC_IS_MONO 0x00001000 +#define SRC_USE_SRC_ADDR 0x00000000 +#define SRC_USE_BLTDATA 0x00000400 +#define BLT_TOP_TO_BOT 0x00000000 +#define BLT_BOT_TO_TOP 0x00000200 +#define BLT_LEFT_TO_RIGHT 0x00000000 +#define BLT_RIGHT_TO_LEFT 0x00000100 +#define BLT_ROP 0x000000FF +#define BLT_PAT_ADDR 0x00040014 +#define BLT_SRC_ADDR 0x00040018 +#define BLT_DST_ADDR 0x0004001C +#define BLT_DST_H_W 0x00040020 +#define BLT_DST_HEIGHT 0x1FFF0000 +#define BLT_DST_WIDTH 0x00001FFF +#define SRCEXP_BG_COLOR 0x00040024 +#define SRCEXP_FG_COLOR 0x00040028 +#define BLTDATA 0x00050000 diff --git a/drivers/video/i740fb.c b/drivers/video/i740fb.c new file mode 100644 index 0000000..fe574d8 --- /dev/null +++ b/drivers/video/i740fb.c @@ -0,0 +1,1337 @@ +/* + * i740fb - framebuffer driver for Intel740 + * Copyright (c) 2011 Ondrej Zary + * + * Based on old i740fb driver (c) 2001-2002 Andrey Ulanov <drey@rt.mipt.ru> + * which was partially based on: + * VGA 16-color framebuffer driver (c) 1999 Ben Pfaff <pfaffben@debian.org> + * and Petr Vandrovec <VANDROVE@vc.cvut.cz> + * i740 driver from XFree86 (c) 1998-1999 Precision Insight, Inc., Cedar Park, + * Texas. + * i740fb by Patrick LERDA, v0.9 + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/fb.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/pci_ids.h> +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> +#include <linux/console.h> +#include <video/vga.h> + +#ifdef CONFIG_MTRR +#include <asm/mtrr.h> +#endif + +#include "i740_reg.h" + +static char *mode_option __devinitdata; + +#ifdef CONFIG_MTRR +static int mtrr __devinitdata = 1; +#endif + +struct i740fb_par { + unsigned char __iomem *regs; + bool has_sgram; +#ifdef CONFIG_MTRR + int mtrr_reg; +#endif + bool ddc_registered; + struct i2c_adapter ddc_adapter; + struct i2c_algo_bit_data ddc_algo; + u32 pseudo_palette[16]; + struct mutex open_lock; + unsigned int ref_count; + + u8 crtc[VGA_CRT_C]; + u8 atc[VGA_ATT_C]; + u8 gdc[VGA_GFX_C]; + u8 seq[VGA_SEQ_C]; + u8 misc; + u8 vss; + + /* i740 specific registers */ + u8 display_cntl; + u8 pixelpipe_cfg0; + u8 pixelpipe_cfg1; + u8 pixelpipe_cfg2; + u8 video_clk2_m; + u8 video_clk2_n; + u8 video_clk2_mn_msbs; + u8 video_clk2_div_sel; + u8 pll_cntl; + u8 address_mapping; + u8 io_cntl; + u8 bitblt_cntl; + u8 ext_vert_total; + u8 ext_vert_disp_end; + u8 ext_vert_sync_start; + u8 ext_vert_blank_start; + u8 ext_horiz_total; + u8 ext_horiz_blank; + u8 ext_offset; + u8 interlace_cntl; + u32 lmi_fifo_watermark; + u8 ext_start_addr; + u8 ext_start_addr_hi; +}; + +#define DACSPEED8 203 +#define DACSPEED16 163 +#define DACSPEED24_SG 136 +#define DACSPEED24_SD 128 +#define DACSPEED32 86 + +static struct fb_fix_screeninfo i740fb_fix __devinitdata = { + .id = "i740fb", + .type = FB_TYPE_PACKED_PIXELS, + .visual = FB_VISUAL_TRUECOLOR, + .xpanstep = 8, + .ypanstep = 1, + .accel = FB_ACCEL_NONE, +}; + +static inline void i740outb(struct i740fb_par *par, u16 port, u8 val) +{ + vga_mm_w(par->regs, port, val); +} +static inline u8 i740inb(struct i740fb_par *par, u16 port) +{ + return vga_mm_r(par->regs, port); +} +static inline void i740outreg(struct i740fb_par *par, u16 port, u8 reg, u8 val) +{ + vga_mm_w_fast(par->regs, port, reg, val); +} +static inline u8 i740inreg(struct i740fb_par *par, u16 port, u8 reg) +{ + vga_mm_w(par->regs, port, reg); + return vga_mm_r(par->regs, port+1); +} +static inline void i740outreg_mask(struct i740fb_par *par, u16 port, u8 reg, + u8 val, u8 mask) +{ + vga_mm_w_fast(par->regs, port, reg, (val & mask) + | (i740inreg(par, port, reg) & ~mask)); +} + +#define REG_DDC_DRIVE 0x62 +#define REG_DDC_STATE 0x63 +#define DDC_SCL (1 << 3) +#define DDC_SDA (1 << 2) + +static void i740fb_ddc_setscl(void *data, int val) +{ + struct i740fb_par *par = data; + + i740outreg_mask(par, XRX, REG_DDC_DRIVE, DDC_SCL, DDC_SCL); + i740outreg_mask(par, XRX, REG_DDC_STATE, val ? DDC_SCL : 0, DDC_SCL); +} + +static void i740fb_ddc_setsda(void *data, int val) +{ + struct i740fb_par *par = data; + + i740outreg_mask(par, XRX, REG_DDC_DRIVE, DDC_SDA, DDC_SDA); + i740outreg_mask(par, XRX, REG_DDC_STATE, val ? DDC_SDA : 0, DDC_SDA); +} + +static int i740fb_ddc_getscl(void *data) +{ + struct i740fb_par *par = data; + + i740outreg_mask(par, XRX, REG_DDC_DRIVE, 0, DDC_SCL); + + return !!(i740inreg(par, XRX, REG_DDC_STATE) & DDC_SCL); +} + +static int i740fb_ddc_getsda(void *data) +{ + struct i740fb_par *par = data; + + i740outreg_mask(par, XRX, REG_DDC_DRIVE, 0, DDC_SDA); + + return !!(i740inreg(par, XRX, REG_DDC_STATE) & DDC_SDA); +} + +static int __devinit i740fb_setup_ddc_bus(struct fb_info *info) +{ + struct i740fb_par *par = info->par; + + strlcpy(par->ddc_adapter.name, info->fix.id, + sizeof(par->ddc_adapter.name)); + par->ddc_adapter.owner = THIS_MODULE; + par->ddc_adapter.class = I2C_CLASS_DDC; + par->ddc_adapter.algo_data = &par->ddc_algo; + par->ddc_adapter.dev.parent = info->device; + par->ddc_algo.setsda = i740fb_ddc_setsda; + par->ddc_algo.setscl = i740fb_ddc_setscl; + par->ddc_algo.getsda = i740fb_ddc_getsda; + par->ddc_algo.getscl = i740fb_ddc_getscl; + par->ddc_algo.udelay = 10; + par->ddc_algo.timeout = 20; + par->ddc_algo.data = par; + + i2c_set_adapdata(&par->ddc_adapter, par); + + return i2c_bit_add_bus(&par->ddc_adapter); +} + +static int i740fb_open(struct fb_info *info, int user) +{ + struct i740fb_par *par = info->par; + + mutex_lock(&(par->open_lock)); + par->ref_count++; + mutex_unlock(&(par->open_lock)); + + return 0; +} + +static int i740fb_release(struct fb_info *info, int user) +{ + struct i740fb_par *par = info->par; + + mutex_lock(&(par->open_lock)); + if (par->ref_count == 0) { + printk(KERN_ERR "fb%d: release called with zero refcount\n", + info->node); + mutex_unlock(&(par->open_lock)); + return -EINVAL; + } + + par->ref_count--; + mutex_unlock(&(par->open_lock)); + + return 0; +} + +static u32 i740_calc_fifo(struct i740fb_par *par, u32 freq, int bpp) +{ + /* + * Would like to calculate these values automatically, but a generic + * algorithm does not seem possible. Note: These FIFO water mark + * values were tested on several cards and seem to eliminate the + * all of the snow and vertical banding, but fine adjustments will + * probably be required for other cards. + */ + + u32 wm; + + switch (bpp) { + case 8: + if (freq > 200) + wm = 0x18120000; + else if (freq > 175) + wm = 0x16110000; + else if (freq > 135) + wm = 0x120E0000; + else + wm = 0x100D0000; + break; + case 15: + case 16: + if (par->has_sgram) { + if (freq > 140) + wm = 0x2C1D0000; + else if (freq > 120) + wm = 0x2C180000; + else if (freq > 100) + wm = 0x24160000; + else if (freq > 90) + wm = 0x18120000; + else if (freq > 50) + wm = 0x16110000; + else if (freq > 32) + wm = 0x13100000; + else + wm = 0x120E0000; + } else { + if (freq > 160) + wm = 0x28200000; + else if (freq > 140) + wm = 0x2A1E0000; + else if (freq > 130) + wm = 0x2B1A0000; + else if (freq > 120) + wm = 0x2C180000; + else if (freq > 100) + wm = 0x24180000; + else if (freq > 90) + wm = 0x18120000; + else if (freq > 50) + wm = 0x16110000; + else if (freq > 32) + wm = 0x13100000; + else + wm = 0x120E0000; + } + break; + case 24: + if (par->has_sgram) { + if (freq > 130) + wm = 0x31200000; + else if (freq > 120) + wm = 0x2E200000; + else if (freq > 100) + wm = 0x2C1D0000; + else if (freq > 80) + wm = 0x25180000; + else if (freq > 64) + wm = 0x24160000; + else if (freq > 49) + wm = 0x18120000; + else if (freq > 32) + wm = 0x16110000; + else + wm = 0x13100000; + } else { + if (freq > 120) + wm = 0x311F0000; + else if (freq > 100) + wm = 0x2C1D0000; + else if (freq > 80) + wm = 0x25180000; + else if (freq > 64) + wm = 0x24160000; + else if (freq > 49) + wm = 0x18120000; + else if (freq > 32) + wm = 0x16110000; + else + wm = 0x13100000; + } + break; + case 32: + if (par->has_sgram) { + if (freq > 80) + wm = 0x2A200000; + else if (freq > 60) + wm = 0x281A0000; + else if (freq > 49) + wm = 0x25180000; + else if (freq > 32) + wm = 0x18120000; + else + wm = 0x16110000; + } else { + if (freq > 80) + wm = 0x29200000; + else if (freq > 60) + wm = 0x281A0000; + else if (freq > 49) + wm = 0x25180000; + else if (freq > 32) + wm = 0x18120000; + else + wm = 0x16110000; + } + break; + } + + return wm; +} + +/* clock calculation from i740fb by Patrick LERDA */ + +#define I740_RFREQ 1000000 +#define TARGET_MAX_N 30 +#define I740_FFIX (1 << 8) +#define I740_RFREQ_FIX (I740_RFREQ / I740_FFIX) +#define I740_REF_FREQ (6667 * I740_FFIX / 100) /* 66.67 MHz */ +#define I740_MAX_VCO_FREQ (450 * I740_FFIX) /* 450 MHz */ + +static void i740_calc_vclk(u32 freq, struct i740fb_par *par) +{ + const u32 err_max = freq / (200 * I740_RFREQ / I740_FFIX); + const u32 err_target = freq / (1000 * I740_RFREQ / I740_FFIX); + u32 err_best = 512 * I740_FFIX; + u32 f_err, f_vco; + int m_best = 0, n_best = 0, p_best = 0, d_best = 0; + int m, n; + + p_best = min(15, ilog2(I740_MAX_VCO_FREQ / (freq / I740_RFREQ_FIX))); + d_best = 0; + f_vco = (freq * (1 << p_best)) / I740_RFREQ_FIX; + freq = freq / I740_RFREQ_FIX; + + n = 2; + do { + n++; + m = ((f_vco * n) / I740_REF_FREQ + 2) / 4; + + if (m < 3) + m = 3; + + { + u32 f_out = (((m * I740_REF_FREQ * (4 << 2 * d_best)) + / n) + ((1 << p_best) / 2)) / (1 << p_best); + + f_err = (freq - f_out); + + if (abs(f_err) < err_max) { + m_best = m; + n_best = n; + err_best = f_err; + } + } + } while ((abs(f_err) >= err_target) && + ((n <= TARGET_MAX_N) || (abs(err_best) > err_max))); + + if (abs(f_err) < err_target) { + m_best = m; + n_best = n; + } + + par->video_clk2_m = (m_best - 2) & 0xFF; + par->video_clk2_n = (n_best - 2) & 0xFF; + par->video_clk2_mn_msbs = ((((n_best - 2) >> 4) & VCO_N_MSBS) + | (((m_best - 2) >> 8) & VCO_M_MSBS)); + par->video_clk2_div_sel = + ((p_best << 4) | (d_best ? 4 : 0) | REF_DIV_1); +} + +static int i740fb_decode_var(const struct fb_var_screeninfo *var, + struct i740fb_par *par, struct fb_info *info) +{ + /* + * Get the video params out of 'var'. + * If a value doesn't fit, round it up, if it's too big, return -EINVAL. + */ + + u32 xres, right, hslen, left, xtotal; + u32 yres, lower, vslen, upper, ytotal; + u32 vxres, xoffset, vyres, yoffset; + u32 bpp, base, dacspeed24, mem; + u8 r7; + int i; + + dev_dbg(info->device, "decode_var: xres: %i, yres: %i, xres_v: %i, xres_v: %i\n", + var->xres, var->yres, var->xres_virtual, var->xres_virtual); + dev_dbg(info->device, " xoff: %i, yoff: %i, bpp: %i, graysc: %i\n", + var->xoffset, var->yoffset, var->bits_per_pixel, + var->grayscale); + dev_dbg(info->device, " activate: %i, nonstd: %i, vmode: %i\n", + var->activate, var->nonstd, var->vmode); + dev_dbg(info->device, " pixclock: %i, hsynclen:%i, vsynclen:%i\n", + var->pixclock, var->hsync_len, var->vsync_len); + dev_dbg(info->device, " left: %i, right: %i, up:%i, lower:%i\n", + var->left_margin, var->right_margin, var->upper_margin, + var->lower_margin); + + + bpp = var->bits_per_pixel; + switch (bpp) { + case 1 ... 8: + bpp = 8; + if ((1000000 / var->pixclock) > DACSPEED8) { + dev_err(info->device, "requested pixclock %i MHz out of range (max. %i MHz at 8bpp)\n", + 1000000 / var->pixclock, DACSPEED8); + return -EINVAL; + } + break; + case 9 ... 15: + bpp = 15; + case 16: + if ((1000000 / var->pixclock) > DACSPEED16) { + dev_err(info->device, "requested pixclock %i MHz out of range (max. %i MHz at 15/16bpp)\n", + 1000000 / var->pixclock, DACSPEED16); + return -EINVAL; + } + break; + case 17 ... 24: + bpp = 24; + dacspeed24 = par->has_sgram ? DACSPEED24_SG : DACSPEED24_SD; + if ((1000000 / var->pixclock) > dacspeed24) { + dev_err(info->device, "requested pixclock %i MHz out of range (max. %i MHz at 24bpp)\n", + 1000000 / var->pixclock, dacspeed24); + return -EINVAL; + } + break; + case 25 ... 32: + bpp = 32; + if ((1000000 / var->pixclock) > DACSPEED32) { + dev_err(info->device, "requested pixclock %i MHz out of range (max. %i MHz at 32bpp)\n", + 1000000 / var->pixclock, DACSPEED32); + return -EINVAL; + } + break; + default: + return -EINVAL; + } + + xres = ALIGN(var->xres, 8); + vxres = ALIGN(var->xres_virtual, 16); + if (vxres < xres) + vxres = xres; + + xoffset = ALIGN(var->xoffset, 8); + if (xres + xoffset > vxres) + xoffset = vxres - xres; + + left = ALIGN(var->left_margin, 8); + right = ALIGN(var->right_margin, 8); + hslen = ALIGN(var->hsync_len, 8); + + yres = var->yres; + vyres = var->yres_virtual; + if (yres > vyres) + vyres = yres; + + yoffset = var->yoffset; + if (yres + yoffset > vyres) + yoffset = vyres - yres; + + lower = var->lower_margin; + vslen = var->vsync_len; + upper = var->upper_margin; + + mem = vxres * vyres * ((bpp + 1) / 8); + if (mem > info->screen_size) { + dev_err(info->device, "not enough video memory (%d KB requested, %ld KB avaliable)\n", + mem >> 10, info->screen_size >> 10); + return -ENOMEM; + } + + if (yoffset + yres > vyres) + yoffset = vyres - yres; + + xtotal = xres + right + hslen + left; + ytotal = yres + lower + vslen + upper; + + par->crtc[VGA_CRTC_H_TOTAL] = (xtotal >> 3) - 5; + par->crtc[VGA_CRTC_H_DISP] = (xres >> 3) - 1; + par->crtc[VGA_CRTC_H_BLANK_START] = ((xres + right) >> 3) - 1; + par->crtc[VGA_CRTC_H_SYNC_START] = (xres + right) >> 3; + par->crtc[VGA_CRTC_H_SYNC_END] = (((xres + right + hslen) >> 3) & 0x1F) + | ((((xres + right + hslen) >> 3) & 0x20) << 2); + par->crtc[VGA_CRTC_H_BLANK_END] = ((xres + right + hslen) >> 3 & 0x1F) + | 0x80; + + par->crtc[VGA_CRTC_V_TOTAL] = ytotal - 2; + + r7 = 0x10; /* disable linecompare */ + if (ytotal & 0x100) + r7 |= 0x01; + if (ytotal & 0x200) + r7 |= 0x20; + + par->crtc[VGA_CRTC_PRESET_ROW] = 0; + par->crtc[VGA_CRTC_MAX_SCAN] = 0x40; /* 1 scanline, no linecmp */ + if (var->vmode & FB_VMODE_DOUBLE) + par->crtc[VGA_CRTC_MAX_SCAN] |= 0x80; + par->crtc[VGA_CRTC_CURSOR_START] = 0x00; + par->crtc[VGA_CRTC_CURSOR_END] = 0x00; + par->crtc[VGA_CRTC_CURSOR_HI] = 0x00; + par->crtc[VGA_CRTC_CURSOR_LO] = 0x00; + par->crtc[VGA_CRTC_V_DISP_END] = yres-1; + if ((yres-1) & 0x100) + r7 |= 0x02; + if ((yres-1) & 0x200) + r7 |= 0x40; + + par->crtc[VGA_CRTC_V_BLANK_START] = yres + lower - 1; + par->crtc[VGA_CRTC_V_SYNC_START] = yres + lower - 1; + if ((yres + lower - 1) & 0x100) + r7 |= 0x0C; + if ((yres + lower - 1) & 0x200) { + par->crtc[VGA_CRTC_MAX_SCAN] |= 0x20; + r7 |= 0x80; + } + + /* disabled IRQ */ + par->crtc[VGA_CRTC_V_SYNC_END] = + ((yres + lower - 1 + vslen) & 0x0F) & ~0x10; + /* 0x7F for VGA, but some SVGA chips require all 8 bits to be set */ + par->crtc[VGA_CRTC_V_BLANK_END] = (yres + lower - 1 + vslen) & 0xFF; + + par->crtc[VGA_CRTC_UNDERLINE] = 0x00; + par->crtc[VGA_CRTC_MODE] = 0xC3 ; + par->crtc[VGA_CRTC_LINE_COMPARE] = 0xFF; + par->crtc[VGA_CRTC_OVERFLOW] = r7; + + par->vss = 0x00; /* 3DA */ + + for (i = 0x00; i < 0x10; i++) + par->atc[i] = i; + par->atc[VGA_ATC_MODE] = 0x81; + par->atc[VGA_ATC_OVERSCAN] = 0x00; /* 0 for EGA, 0xFF for VGA */ + par->atc[VGA_ATC_PLANE_ENABLE] = 0x0F; + par->atc[VGA_ATC_COLOR_PAGE] = 0x00; + + par->misc = 0xC3; + if (var->sync & FB_SYNC_HOR_HIGH_ACT) + par->misc &= ~0x40; + if (var->sync & FB_SYNC_VERT_HIGH_ACT) + par->misc &= ~0x80; + + par->seq[VGA_SEQ_CLOCK_MODE] = 0x01; + par->seq[VGA_SEQ_PLANE_WRITE] = 0x0F; + par->seq[VGA_SEQ_CHARACTER_MAP] = 0x00; + par->seq[VGA_SEQ_MEMORY_MODE] = 0x06; + + par->gdc[VGA_GFX_SR_VALUE] = 0x00; + par->gdc[VGA_GFX_SR_ENABLE] = 0x00; + par->gdc[VGA_GFX_COMPARE_VALUE] = 0x00; + par->gdc[VGA_GFX_DATA_ROTATE] = 0x00; + par->gdc[VGA_GFX_PLANE_READ] = 0; + par->gdc[VGA_GFX_MODE] = 0x02; + par->gdc[VGA_GFX_MISC] = 0x05; + par->gdc[VGA_GFX_COMPARE_MASK] = 0x0F; + par->gdc[VGA_GFX_BIT_MASK] = 0xFF; + + base = (yoffset * vxres + (xoffset & ~7)) >> 2; + switch (bpp) { + case 8: + par->crtc[VGA_CRTC_OFFSET] = vxres >> 3; + par->ext_offset = vxres >> 11; + par->pixelpipe_cfg1 = DISPLAY_8BPP_MODE; + par->bitblt_cntl = COLEXP_8BPP; + break; + case 15: /* 0rrrrrgg gggbbbbb */ + case 16: /* rrrrrggg gggbbbbb */ + par->pixelpipe_cfg1 = (var->green.length == 6) ? + DISPLAY_16BPP_MODE : DISPLAY_15BPP_MODE; + par->crtc[VGA_CRTC_OFFSET] = vxres >> 2; + par->ext_offset = vxres >> 10; + par->bitblt_cntl = COLEXP_16BPP; + base *= 2; + break; + case 24: + par->crtc[VGA_CRTC_OFFSET] = (vxres * 3) >> 3; + par->ext_offset = (vxres * 3) >> 11; + par->pixelpipe_cfg1 = DISPLAY_24BPP_MODE; + par->bitblt_cntl = COLEXP_24BPP; + base &= 0xFFFFFFFE; /* ...ignore the last bit. */ + base *= 3; + break; + case 32: + par->crtc[VGA_CRTC_OFFSET] = vxres >> 1; + par->ext_offset = vxres >> 9; + par->pixelpipe_cfg1 = DISPLAY_32BPP_MODE; + par->bitblt_cntl = COLEXP_RESERVED; /* Unimplemented on i740 */ + base *= 4; + break; + } + + par->crtc[VGA_CRTC_START_LO] = base & 0x000000FF; + par->crtc[VGA_CRTC_START_HI] = (base & 0x0000FF00) >> 8; + par->ext_start_addr = + ((base & 0x003F0000) >> 16) | EXT_START_ADDR_ENABLE; + par->ext_start_addr_hi = (base & 0x3FC00000) >> 22; + + par->pixelpipe_cfg0 = DAC_8_BIT; + + par->pixelpipe_cfg2 = DISPLAY_GAMMA_ENABLE | OVERLAY_GAMMA_ENABLE; + par->io_cntl = EXTENDED_CRTC_CNTL; + par->address_mapping = LINEAR_MODE_ENABLE | PAGE_MAPPING_ENABLE; + par->display_cntl = HIRES_MODE; + + /* Set the MCLK freq */ + par->pll_cntl = PLL_MEMCLK_100000KHZ; /* 100 MHz -- use as default */ + + /* Calculate the extended CRTC regs */ + par->ext_vert_total = (ytotal - 2) >> 8; + par->ext_vert_disp_end = (yres - 1) >> 8; + par->ext_vert_sync_start = (yres + lower) >> 8; + par->ext_vert_blank_start = (yres + lower) >> 8; + par->ext_horiz_total = ((xtotal >> 3) - 5) >> 8; + par->ext_horiz_blank = (((xres + right) >> 3) & 0x40) >> 6; + + par->interlace_cntl = INTERLACE_DISABLE; + + /* Set the overscan color to 0. (NOTE: This only affects >8bpp mode) */ + par->atc[VGA_ATC_OVERSCAN] = 0; + + /* Calculate VCLK that most closely matches the requested dot clock */ + i740_calc_vclk((((u32)1e9) / var->pixclock) * (u32)(1e3), par); + + /* Since we program the clocks ourselves, always use VCLK2. */ + par->misc |= 0x0C; + + /* Calculate the FIFO Watermark and Burst Length. */ + par->lmi_fifo_watermark = + i740_calc_fifo(par, 1000000 / var->pixclock, bpp); + + return 0; +} + +static int i740fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) +{ + switch (var->bits_per_pixel) { + case 8: + var->red.offset = var->green.offset = var->blue.offset = 0; + var->red.length = var->green.length = var->blue.length = 8; + break; + case 16: + switch (var->green.length) { + default: + case 5: + var->red.offset = 10; + var->green.offset = 5; + var->blue.offset = 0; + var->red.length = 5; + var->green.length = 5; + var->blue.length = 5; + break; + case 6: + var->red.offset = 11; + var->green.offset = 5; + var->blue.offset = 0; + var->red.length = var->blue.length = 5; + break; + } + break; + case 24: + var->red.offset = 16; + var->green.offset = 8; + var->blue.offset = 0; + var->red.length = var->green.length = var->blue.length = 8; + break; + case 32: + var->transp.offset = 24; + var->red.offset = 16; + var->green.offset = 8; + var->blue.offset = 0; + var->transp.length = 8; + var->red.length = var->green.length = var->blue.length = 8; + break; + default: + return -EINVAL; + } + + if (var->xres > var->xres_virtual) + var->xres_virtual = var->xres; + + if (var->yres > var->yres_virtual) + var->yres_virtual = var->yres; + + if (info->monspecs.hfmax && info->monspecs.vfmax && + info->monspecs.dclkmax && fb_validate_mode(var, info) < 0) + return -EINVAL; + + return 0; +} + +static void vga_protect(struct i740fb_par *par) +{ + /* disable the display */ + i740outreg_mask(par, VGA_SEQ_I, VGA_SEQ_CLOCK_MODE, 0x20, 0x20); + + i740inb(par, 0x3DA); + i740outb(par, VGA_ATT_W, 0x00); /* enable pallete access */ +} + +static void vga_unprotect(struct i740fb_par *par) +{ + /* reenable display */ + i740outreg_mask(par, VGA_SEQ_I, VGA_SEQ_CLOCK_MODE, 0, 0x20); + + i740inb(par, 0x3DA); + i740outb(par, VGA_ATT_W, 0x20); /* disable pallete access */ +} + +static int i740fb_set_par(struct fb_info *info) +{ + struct i740fb_par *par = info->par; + u32 itemp; + int i; + + i = i740fb_decode_var(&info->var, par, info); + if (i) + return i; + + memset(info->screen_base, 0, info->screen_size); + + vga_protect(par); + + i740outreg(par, XRX, DRAM_EXT_CNTL, DRAM_REFRESH_DISABLE); + + mdelay(1); + + i740outreg(par, XRX, VCLK2_VCO_M, par->video_clk2_m); + i740outreg(par, XRX, VCLK2_VCO_N, par->video_clk2_n); + i740outreg(par, XRX, VCLK2_VCO_MN_MSBS, par->video_clk2_mn_msbs); + i740outreg(par, XRX, VCLK2_VCO_DIV_SEL, par->video_clk2_div_sel); + + i740outreg_mask(par, XRX, PIXPIPE_CONFIG_0, + par->pixelpipe_cfg0 & DAC_8_BIT, 0x80); + + i740inb(par, 0x3DA); + i740outb(par, 0x3C0, 0x00); + + /* update misc output register */ + i740outb(par, VGA_MIS_W, par->misc | 0x01); + + /* synchronous reset on */ + i740outreg(par, VGA_SEQ_I, VGA_SEQ_RESET, 0x01); + /* write sequencer registers */ + i740outreg(par, VGA_SEQ_I, VGA_SEQ_CLOCK_MODE, + par->seq[VGA_SEQ_CLOCK_MODE] | 0x20); + for (i = 2; i < VGA_SEQ_C; i++) + i740outreg(par, VGA_SEQ_I, i, par->seq[i]); + + /* synchronous reset off */ + i740outreg(par, VGA_SEQ_I, VGA_SEQ_RESET, 0x03); + + /* deprotect CRT registers 0-7 */ + i740outreg(par, VGA_CRT_IC, VGA_CRTC_V_SYNC_END, + par->crtc[VGA_CRTC_V_SYNC_END]); + + /* write CRT registers */ + for (i = 0; i < VGA_CRT_C; i++) + i740outreg(par, VGA_CRT_IC, i, par->crtc[i]); + + /* write graphics controller registers */ + for (i = 0; i < VGA_GFX_C; i++) + i740outreg(par, VGA_GFX_I, i, par->gdc[i]); + + /* write attribute controller registers */ + for (i = 0; i < VGA_ATT_C; i++) { + i740inb(par, VGA_IS1_RC); /* reset flip-flop */ + i740outb(par, VGA_ATT_IW, i); + i740outb(par, VGA_ATT_IW, par->atc[i]); + } + + i740inb(par, VGA_IS1_RC); + i740outb(par, VGA_ATT_IW, 0x20); + + i740outreg(par, VGA_CRT_IC, EXT_VERT_TOTAL, par->ext_vert_total); + i740outreg(par, VGA_CRT_IC, EXT_VERT_DISPLAY, par->ext_vert_disp_end); + i740outreg(par, VGA_CRT_IC, EXT_VERT_SYNC_START, + par->ext_vert_sync_start); + i740outreg(par, VGA_CRT_IC, EXT_VERT_BLANK_START, + par->ext_vert_blank_start); + i740outreg(par, VGA_CRT_IC, EXT_HORIZ_TOTAL, par->ext_horiz_total); + i740outreg(par, VGA_CRT_IC, EXT_HORIZ_BLANK, par->ext_horiz_blank); + i740outreg(par, VGA_CRT_IC, EXT_OFFSET, par->ext_offset); + i740outreg(par, VGA_CRT_IC, EXT_START_ADDR_HI, par->ext_start_addr_hi); + i740outreg(par, VGA_CRT_IC, EXT_START_ADDR, par->ext_start_addr); + + i740outreg_mask(par, VGA_CRT_IC, INTERLACE_CNTL, + par->interlace_cntl, INTERLACE_ENABLE); + i740outreg_mask(par, XRX, ADDRESS_MAPPING, par->address_mapping, 0x1F); + i740outreg_mask(par, XRX, BITBLT_CNTL, par->bitblt_cntl, COLEXP_MODE); + i740outreg_mask(par, XRX, DISPLAY_CNTL, + par->display_cntl, VGA_WRAP_MODE | GUI_MODE); + i740outreg_mask(par, XRX, PIXPIPE_CONFIG_0, par->pixelpipe_cfg0, 0x9B); + i740outreg_mask(par, XRX, PIXPIPE_CONFIG_2, par->pixelpipe_cfg2, 0x0C); + + i740outreg(par, XRX, PLL_CNTL, par->pll_cntl); + + i740outreg_mask(par, XRX, PIXPIPE_CONFIG_1, + par->pixelpipe_cfg1, DISPLAY_COLOR_MODE); + + itemp = readl(par->regs + FWATER_BLC); + itemp &= ~(LMI_BURST_LENGTH | LMI_FIFO_WATERMARK); + itemp |= par->lmi_fifo_watermark; + writel(itemp, par->regs + FWATER_BLC); + + i740outreg(par, XRX, DRAM_EXT_CNTL, DRAM_REFRESH_60HZ); + + i740outreg_mask(par, MRX, COL_KEY_CNTL_1, 0, BLANK_DISP_OVERLAY); + i740outreg_mask(par, XRX, IO_CTNL, + par->io_cntl, EXTENDED_ATTR_CNTL | EXTENDED_CRTC_CNTL); + + if (par->pixelpipe_cfg1 != DISPLAY_8BPP_MODE) { + i740outb(par, VGA_PEL_MSK, 0xFF); + i740outb(par, VGA_PEL_IW, 0x00); + for (i = 0; i < 256; i++) { + itemp = (par->pixelpipe_cfg0 & DAC_8_BIT) ? i : i >> 2; + i740outb(par, VGA_PEL_D, itemp); + i740outb(par, VGA_PEL_D, itemp); + i740outb(par, VGA_PEL_D, itemp); + } + } + + /* Wait for screen to stabilize. */ + mdelay(50); + vga_unprotect(par); + + info->fix.line_length = + info->var.xres_virtual * info->var.bits_per_pixel / 8; + if (info->var.bits_per_pixel == 8) + info->fix.visual = FB_VISUAL_PSEUDOCOLOR; + else + info->fix.visual = FB_VISUAL_TRUECOLOR; + + return 0; +} + +static int i740fb_setcolreg(unsigned regno, unsigned red, unsigned green, + unsigned blue, unsigned transp, + struct fb_info *info) +{ + u32 r, g, b; + + dev_dbg(info->device, "setcolreg: regno: %i, red=%d, green=%d, blue=%d, transp=%d, bpp=%d\n", + regno, red, green, blue, transp, info->var.bits_per_pixel); + + switch (info->fix.visual) { + case FB_VISUAL_PSEUDOCOLOR: + if (regno >= 256) + return -EINVAL; + i740outb(info->par, VGA_PEL_IW, regno); + i740outb(info->par, VGA_PEL_D, red >> 8); + i740outb(info->par, VGA_PEL_D, green >> 8); + i740outb(info->par, VGA_PEL_D, blue >> 8); + break; + case FB_VISUAL_TRUECOLOR: + if (regno >= 16) + return -EINVAL; + r = (red >> (16 - info->var.red.length)) + << info->var.red.offset; + b = (blue >> (16 - info->var.blue.length)) + << info->var.blue.offset; + g = (green >> (16 - info->var.green.length)) + << info->var.green.offset; + ((u32 *) info->pseudo_palette)[regno] = r | g | b; + break; + default: + return -EINVAL; + } + + return 0; +} + +static int i740fb_pan_display(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + struct i740fb_par *par = info->par; + u32 base = (var->yoffset * info->var.xres_virtual + + (var->xoffset & ~7)) >> 2; + + dev_dbg(info->device, "pan_display: xoffset: %i yoffset: %i base: %i\n", + var->xoffset, var->yoffset, base); + + switch (info->var.bits_per_pixel) { + case 8: + break; + case 15: + case 16: + base *= 2; + break; + case 24: + /* + * The last bit does not seem to have any effect on the start + * address register in 24bpp mode, so... + */ + base &= 0xFFFFFFFE; /* ...ignore the last bit. */ + base *= 3; + break; + case 32: + base *= 4; + break; + } + + par->crtc[VGA_CRTC_START_LO] = base & 0x000000FF; + par->crtc[VGA_CRTC_START_HI] = (base & 0x0000FF00) >> 8; + par->ext_start_addr_hi = (base & 0x3FC00000) >> 22; + par->ext_start_addr = + ((base & 0x003F0000) >> 16) | EXT_START_ADDR_ENABLE; + + i740outreg(par, VGA_CRT_IC, VGA_CRTC_START_LO, base & 0x000000FF); + i740outreg(par, VGA_CRT_IC, VGA_CRTC_START_HI, + (base & 0x0000FF00) >> 8); + i740outreg(par, VGA_CRT_IC, EXT_START_ADDR_HI, + (base & 0x3FC00000) >> 22); + i740outreg(par, VGA_CRT_IC, EXT_START_ADDR, + ((base & 0x003F0000) >> 16) | EXT_START_ADDR_ENABLE); + + return 0; +} + +static int i740fb_blank(int blank_mode, struct fb_info *info) +{ + struct i740fb_par *par = info->par; + + unsigned char SEQ01; + int DPMSSyncSelect; + + switch (blank_mode) { + case FB_BLANK_UNBLANK: + case FB_BLANK_NORMAL: + SEQ01 = 0x00; + DPMSSyncSelect = HSYNC_ON | VSYNC_ON; + break; + case FB_BLANK_VSYNC_SUSPEND: + SEQ01 = 0x20; + DPMSSyncSelect = HSYNC_ON | VSYNC_OFF; + break; + case FB_BLANK_HSYNC_SUSPEND: + SEQ01 = 0x20; + DPMSSyncSelect = HSYNC_OFF | VSYNC_ON; + break; + case FB_BLANK_POWERDOWN: + SEQ01 = 0x20; + DPMSSyncSelect = HSYNC_OFF | VSYNC_OFF; + break; + default: + return -EINVAL; + } + /* Turn the screen on/off */ + i740outb(par, SRX, 0x01); + SEQ01 |= i740inb(par, SRX + 1) & ~0x20; + i740outb(par, SRX, 0x01); + i740outb(par, SRX + 1, SEQ01); + + /* Set the DPMS mode */ + i740outreg(par, XRX, DPMS_SYNC_SELECT, DPMSSyncSelect); + + /* Let fbcon do a soft blank for us */ + return (blank_mode == FB_BLANK_NORMAL) ? 1 : 0; +} + +static struct fb_ops i740fb_ops = { + .owner = THIS_MODULE, + .fb_open = i740fb_open, + .fb_release = i740fb_release, + .fb_check_var = i740fb_check_var, + .fb_set_par = i740fb_set_par, + .fb_setcolreg = i740fb_setcolreg, + .fb_blank = i740fb_blank, + .fb_pan_display = i740fb_pan_display, + .fb_fillrect = cfb_fillrect, + .fb_copyarea = cfb_copyarea, + .fb_imageblit = cfb_imageblit, +}; + +/* ------------------------------------------------------------------------- */ + +static int __devinit i740fb_probe(struct pci_dev *dev, + const struct pci_device_id *ent) +{ + struct fb_info *info; + struct i740fb_par *par; + int ret, tmp; + bool found = false; + u8 *edid; + + info = framebuffer_alloc(sizeof(struct i740fb_par), &(dev->dev)); + if (!info) { + dev_err(&(dev->dev), "cannot allocate framebuffer\n"); + return -ENOMEM; + } + + par = info->par; + mutex_init(&par->open_lock); + + info->var.activate = FB_ACTIVATE_NOW; + info->var.bits_per_pixel = 8; + info->fbops = &i740fb_ops; + info->pseudo_palette = par->pseudo_palette; + + ret = pci_enable_device(dev); + if (ret) { + dev_err(info->device, "cannot enable PCI device\n"); + goto err_enable_device; + } + + ret = pci_request_regions(dev, info->fix.id); + if (ret) { + dev_err(info->device, "error requesting regions\n"); + goto err_request_regions; + } + + info->screen_base = pci_ioremap_bar(dev, 0); + if (!info->screen_base) { + dev_err(info->device, "error remapping base\n"); + ret = -ENOMEM; + goto err_ioremap_1; + } + + par->regs = pci_ioremap_bar(dev, 1); + if (!par->regs) { + dev_err(info->device, "error remapping MMIO\n"); + ret = -ENOMEM; + goto err_ioremap_2; + } + + /* detect memory size */ + if ((i740inreg(par, XRX, DRAM_ROW_TYPE) & DRAM_ROW_1) + == DRAM_ROW_1_SDRAM) + i740outb(par, XRX, DRAM_ROW_BNDRY_1); + else + i740outb(par, XRX, DRAM_ROW_BNDRY_0); + info->screen_size = i740inb(par, XRX + 1) * 1024 * 1024; + /* detect memory type */ + tmp = i740inreg(par, XRX, DRAM_ROW_CNTL_LO); + par->has_sgram = !((tmp & DRAM_RAS_TIMING) || + (tmp & DRAM_RAS_PRECHARGE)); + + printk(KERN_INFO "fb%d: Intel740 on %s, %ld KB %s\n", info->node, + pci_name(dev), info->screen_size >> 10, + par->has_sgram ? "SGRAM" : "SDRAM"); + + info->fix = i740fb_fix; + info->fix.mmio_start = pci_resource_start(dev, 1); + info->fix.mmio_len = pci_resource_len(dev, 1); + info->fix.smem_start = pci_resource_start(dev, 0); + info->fix.smem_len = info->screen_size; + info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN; + + if (i740fb_setup_ddc_bus(info) == 0) { + par->ddc_registered = true; + edid = fb_ddc_read(&par->ddc_adapter); + if (edid) { + fb_edid_to_monspecs(edid, &info->monspecs); + kfree(edid); + if (!info->monspecs.modedb) + dev_err(info->device, + "error getting mode database\n"); + else { + const struct fb_videomode *m; + + fb_videomode_to_modelist( + info->monspecs.modedb, + info->monspecs.modedb_len, + &info->modelist); + m = fb_find_best_display(&info->monspecs, + &info->modelist); + if (m) { + fb_videomode_to_var(&info->var, m); + /* fill all other info->var's fields */ + if (!i740fb_check_var(&info->var, info)) + found = true; + } + } + } + } + + if (!mode_option && !found) + mode_option = "640x480-8@60"; + + if (mode_option) { + ret = fb_find_mode(&info->var, info, mode_option, + info->monspecs.modedb, + info->monspecs.modedb_len, + NULL, info->var.bits_per_pixel); + if (!ret || ret == 4) { + dev_err(info->device, "mode %s not found\n", + mode_option); + ret = -EINVAL; + } + } + + fb_destroy_modedb(info->monspecs.modedb); + info->monspecs.modedb = NULL; + + /* maximize virtual vertical size for fast scrolling */ + info->var.yres_virtual = info->fix.smem_len * 8 / + (info->var.bits_per_pixel * info->var.xres_virtual); + + if (ret == -EINVAL) + goto err_find_mode; + + ret = fb_alloc_cmap(&info->cmap, 256, 0); + if (ret) { + dev_err(info->device, "cannot allocate colormap\n"); + goto err_alloc_cmap; + } + + ret = register_framebuffer(info); + if (ret) { + dev_err(info->device, "error registering framebuffer\n"); + goto err_reg_framebuffer; + } + + printk(KERN_INFO "fb%d: %s frame buffer device\n", + info->node, info->fix.id); + pci_set_drvdata(dev, info); +#ifdef CONFIG_MTRR + if (mtrr) { + par->mtrr_reg = -1; + par->mtrr_reg = mtrr_add(info->fix.smem_start, + info->fix.smem_len, MTRR_TYPE_WRCOMB, 1); + } +#endif + return 0; + +err_reg_framebuffer: + fb_dealloc_cmap(&info->cmap); +err_alloc_cmap: +err_find_mode: + if (par->ddc_registered) + i2c_del_adapter(&par->ddc_adapter); + pci_iounmap(dev, par->regs); +err_ioremap_2: + pci_iounmap(dev, info->screen_base); +err_ioremap_1: + pci_release_regions(dev); +err_request_regions: +/* pci_disable_device(dev); */ +err_enable_device: + framebuffer_release(info); + return ret; +} + +static void __devexit i740fb_remove(struct pci_dev *dev) +{ + struct fb_info *info = pci_get_drvdata(dev); + + if (info) { + struct i740fb_par *par = info->par; + +#ifdef CONFIG_MTRR + if (par->mtrr_reg >= 0) { + mtrr_del(par->mtrr_reg, 0, 0); + par->mtrr_reg = -1; + } +#endif + unregister_framebuffer(info); + fb_dealloc_cmap(&info->cmap); + if (par->ddc_registered) + i2c_del_adapter(&par->ddc_adapter); + pci_iounmap(dev, par->regs); + pci_iounmap(dev, info->screen_base); + pci_release_regions(dev); +/* pci_disable_device(dev); */ + pci_set_drvdata(dev, NULL); + framebuffer_release(info); + } +} + +#ifdef CONFIG_PM +static int i740fb_suspend(struct pci_dev *dev, pm_message_t state) +{ + struct fb_info *info = pci_get_drvdata(dev); + struct i740fb_par *par = info->par; + + /* don't disable console during hibernation and wakeup from it */ + if (state.event == PM_EVENT_FREEZE || state.event == PM_EVENT_PRETHAW) + return 0; + + console_lock(); + mutex_lock(&(par->open_lock)); + + /* do nothing if framebuffer is not active */ + if (par->ref_count == 0) { + mutex_unlock(&(par->open_lock)); + console_unlock(); + return 0; + } + + fb_set_suspend(info, 1); + + pci_save_state(dev); + pci_disable_device(dev); + pci_set_power_state(dev, pci_choose_state(dev, state)); + + mutex_unlock(&(par->open_lock)); + console_unlock(); + + return 0; +} + +static int i740fb_resume(struct pci_dev *dev) +{ + struct fb_info *info = pci_get_drvdata(dev); + struct i740fb_par *par = info->par; + + console_lock(); + mutex_lock(&(par->open_lock)); + + if (par->ref_count == 0) + goto fail; + + pci_set_power_state(dev, PCI_D0); + pci_restore_state(dev); + if (pci_enable_device(dev)) + goto fail; + + i740fb_set_par(info); + fb_set_suspend(info, 0); + +fail: + mutex_unlock(&(par->open_lock)); + console_unlock(); + return 0; +} +#else +#define i740fb_suspend NULL +#define i740fb_resume NULL +#endif /* CONFIG_PM */ + +#define I740_ID_PCI 0x00d1 +#define I740_ID_AGP 0x7800 + +static DEFINE_PCI_DEVICE_TABLE(i740fb_id_table) = { + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, I740_ID_PCI) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, I740_ID_AGP) }, + { 0 } +}; +MODULE_DEVICE_TABLE(pci, i740fb_id_table); + +static struct pci_driver i740fb_driver = { + .name = "i740fb", + .id_table = i740fb_id_table, + .probe = i740fb_probe, + .remove = __devexit_p(i740fb_remove), + .suspend = i740fb_suspend, + .resume = i740fb_resume, +}; + +#ifndef MODULE +static int __init i740fb_setup(char *options) +{ + char *opt; + + if (!options || !*options) + return 0; + + while ((opt = strsep(&options, ",")) != NULL) { + if (!*opt) + continue; +#ifdef CONFIG_MTRR + else if (!strncmp(opt, "mtrr:", 5)) + mtrr = simple_strtoul(opt + 5, NULL, 0); +#endif + else + mode_option = opt; + } + + return 0; +} +#endif + +int __init i740fb_init(void) +{ +#ifndef MODULE + char *option = NULL; + + if (fb_get_options("i740fb", &option)) + return -ENODEV; + i740fb_setup(option); +#endif + + return pci_register_driver(&i740fb_driver); +} + +static void __exit i740fb_exit(void) +{ + pci_unregister_driver(&i740fb_driver); +} + +module_init(i740fb_init); +module_exit(i740fb_exit); + +MODULE_AUTHOR("(c) 2011 Ondrej Zary <linux@rainbow-software.org>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("fbdev driver for Intel740"); + +module_param(mode_option, charp, 0444); +MODULE_PARM_DESC(mode_option, "Default video mode ('640x480-8@60', etc)"); + +#ifdef CONFIG_MTRR +module_param(mtrr, int, 0444); +MODULE_PARM_DESC(mtrr, "Enable write-combining with MTRR (1=enable, 0=disable, default=1)"); +#endif diff --git a/drivers/video/msm/mddi_client_nt35399.c b/drivers/video/msm/mddi_client_nt35399.c index f239f4a..7fcd67e 100644 --- a/drivers/video/msm/mddi_client_nt35399.c +++ b/drivers/video/msm/mddi_client_nt35399.c @@ -155,14 +155,10 @@ static int setup_vsync(struct panel_info *panel, int init) ret = 0; goto uninit; } - ret = gpio_request(gpio, "vsync"); + ret = gpio_request_one(gpio, GPIOF_IN, "vsync"); if (ret) goto err_request_gpio_failed; - ret = gpio_direction_input(gpio); - if (ret) - goto err_gpio_direction_input_failed; - ret = irq = gpio_to_irq(gpio); if (ret < 0) goto err_get_irq_num_failed; @@ -180,7 +176,6 @@ uninit: free_irq(gpio_to_irq(gpio), panel->client_data); err_request_irq_failed: err_get_irq_num_failed: -err_gpio_direction_input_failed: gpio_free(gpio); err_request_gpio_failed: return ret; diff --git a/drivers/video/msm/mddi_client_toshiba.c b/drivers/video/msm/mddi_client_toshiba.c index f9bc932..053eb68 100644 --- a/drivers/video/msm/mddi_client_toshiba.c +++ b/drivers/video/msm/mddi_client_toshiba.c @@ -186,14 +186,10 @@ static int setup_vsync(struct panel_info *panel, ret = 0; goto uninit; } - ret = gpio_request(gpio, "vsync"); + ret = gpio_request_one(gpio, GPIOF_IN, "vsync"); if (ret) goto err_request_gpio_failed; - ret = gpio_direction_input(gpio); - if (ret) - goto err_gpio_direction_input_failed; - ret = irq = gpio_to_irq(gpio); if (ret < 0) goto err_get_irq_num_failed; @@ -210,7 +206,6 @@ uninit: free_irq(gpio_to_irq(gpio), panel); err_request_irq_failed: err_get_irq_num_failed: -err_gpio_direction_input_failed: gpio_free(gpio); err_request_gpio_failed: return ret; diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c index 727a514..eec0d7b 100644 --- a/drivers/video/mx3fb.c +++ b/drivers/video/mx3fb.c @@ -337,7 +337,7 @@ static void sdc_enable_channel(struct mx3fb_info *mx3_fbi) /* This enables the channel */ if (mx3_fbi->cookie < 0) { - mx3_fbi->txd = dma_chan->device->device_prep_slave_sg(dma_chan, + mx3_fbi->txd = dmaengine_prep_slave_sg(dma_chan, &mx3_fbi->sg[0], 1, DMA_MEM_TO_DEV, DMA_PREP_INTERRUPT); if (!mx3_fbi->txd) { dev_err(mx3fb->dev, "Cannot allocate descriptor on %d\n", @@ -1091,7 +1091,7 @@ static int mx3fb_pan_display(struct fb_var_screeninfo *var, if (mx3_fbi->txd) async_tx_ack(mx3_fbi->txd); - txd = dma_chan->device->device_prep_slave_sg(dma_chan, sg + + txd = dmaengine_prep_slave_sg(dma_chan, sg + mx3_fbi->cur_ipu_buf, 1, DMA_MEM_TO_DEV, DMA_PREP_INTERRUPT); if (!txd) { dev_err(fbi->device, diff --git a/drivers/video/neofb.c b/drivers/video/neofb.c index fb3f673..afc9521 100644 --- a/drivers/video/neofb.c +++ b/drivers/video/neofb.c @@ -71,7 +71,6 @@ #include <asm/io.h> #include <asm/irq.h> #include <asm/pgtable.h> -#include <asm/system.h> #ifdef CONFIG_MTRR #include <asm/mtrr.h> diff --git a/drivers/video/omap/Kconfig b/drivers/video/omap/Kconfig index 84ff232..1e7536d 100644 --- a/drivers/video/omap/Kconfig +++ b/drivers/video/omap/Kconfig @@ -1,11 +1,10 @@ config FB_OMAP tristate "OMAP frame buffer support (EXPERIMENTAL)" - depends on FB && (OMAP2_DSS = "n") - depends on ARCH_OMAP1 || ARCH_OMAP2 || ARCH_OMAP3 + depends on FB + depends on ARCH_OMAP1 select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT - select TWL4030_CORE if MACH_OMAP_2430SDP help Frame buffer driver for OMAP based boards. @@ -23,13 +22,6 @@ config FB_OMAP_LCDC_HWA742 Say Y here if you want to have support for the external Epson HWA742 LCD controller. -config FB_OMAP_LCDC_BLIZZARD - bool "Epson Blizzard LCD controller support" - depends on FB_OMAP && FB_OMAP_LCDC_EXTERNAL - help - Say Y here if you want to have support for the external - Epson Blizzard LCD controller. - config FB_OMAP_MANUAL_UPDATE bool "Default to manual update mode" depends on FB_OMAP && FB_OMAP_LCDC_EXTERNAL @@ -49,7 +41,7 @@ config FB_OMAP_LCD_MIPID config FB_OMAP_BOOTLOADER_INIT bool "Check bootloader initialization" - depends on FB_OMAP || FB_OMAP2 + depends on FB_OMAP help Say Y here if you want to enable checking if the bootloader has already initialized the display controller. In this case the @@ -68,7 +60,7 @@ config FB_OMAP_CONSISTENT_DMA_SIZE config FB_OMAP_DMA_TUNE bool "Set DMA SDRAM access priority high" - depends on FB_OMAP && ARCH_OMAP1 + depends on FB_OMAP help On systems in which video memory is in system memory (SDRAM) this will speed up graphics DMA operations. diff --git a/drivers/video/omap/Makefile b/drivers/video/omap/Makefile index ef78550..1927faf 100644 --- a/drivers/video/omap/Makefile +++ b/drivers/video/omap/Makefile @@ -1,20 +1,14 @@ # -# Makefile for the new OMAP framebuffer device driver +# Makefile for the OMAP1 framebuffer device driver # obj-$(CONFIG_FB_OMAP) += omapfb.o -objs-yy := omapfb_main.o +objs-yy := omapfb_main.o lcdc.o -objs-y$(CONFIG_ARCH_OMAP1) += lcdc.o -objs-y$(CONFIG_ARCH_OMAP2) += dispc.o -objs-y$(CONFIG_ARCH_OMAP3) += dispc.o - -objs-$(CONFIG_ARCH_OMAP1)$(CONFIG_FB_OMAP_LCDC_EXTERNAL) += sossi.o -objs-$(CONFIG_ARCH_OMAP2)$(CONFIG_FB_OMAP_LCDC_EXTERNAL) += rfbi.o +objs-y$(CONFIG_FB_OMAP_LCDC_EXTERNAL) += sossi.o objs-y$(CONFIG_FB_OMAP_LCDC_HWA742) += hwa742.o -objs-y$(CONFIG_FB_OMAP_LCDC_BLIZZARD) += blizzard.o objs-y$(CONFIG_MACH_AMS_DELTA) += lcd_ams_delta.o objs-y$(CONFIG_MACH_OMAP_H3) += lcd_h3.o diff --git a/drivers/video/omap/blizzard.c b/drivers/video/omap/blizzard.c deleted file mode 100644 index c0504a8..0000000 --- a/drivers/video/omap/blizzard.c +++ /dev/null @@ -1,1648 +0,0 @@ -/* - * Epson Blizzard LCD controller driver - * - * Copyright (C) 2004-2005 Nokia Corporation - * Authors: Juha Yrjola <juha.yrjola@nokia.com> - * Imre Deak <imre.deak@nokia.com> - * YUV support: Jussi Laako <jussi.laako@nokia.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ -#include <linux/module.h> -#include <linux/mm.h> -#include <linux/fb.h> -#include <linux/delay.h> -#include <linux/clk.h> - -#include <plat/dma.h> -#include <plat/blizzard.h> - -#include "omapfb.h" -#include "dispc.h" - -#define MODULE_NAME "blizzard" - -#define BLIZZARD_REV_CODE 0x00 -#define BLIZZARD_CONFIG 0x02 -#define BLIZZARD_PLL_DIV 0x04 -#define BLIZZARD_PLL_LOCK_RANGE 0x06 -#define BLIZZARD_PLL_CLOCK_SYNTH_0 0x08 -#define BLIZZARD_PLL_CLOCK_SYNTH_1 0x0a -#define BLIZZARD_PLL_MODE 0x0c -#define BLIZZARD_CLK_SRC 0x0e -#define BLIZZARD_MEM_BANK0_ACTIVATE 0x10 -#define BLIZZARD_MEM_BANK0_STATUS 0x14 -#define BLIZZARD_PANEL_CONFIGURATION 0x28 -#define BLIZZARD_HDISP 0x2a -#define BLIZZARD_HNDP 0x2c -#define BLIZZARD_VDISP0 0x2e -#define BLIZZARD_VDISP1 0x30 -#define BLIZZARD_VNDP 0x32 -#define BLIZZARD_HSW 0x34 -#define BLIZZARD_VSW 0x38 -#define BLIZZARD_DISPLAY_MODE 0x68 -#define BLIZZARD_INPUT_WIN_X_START_0 0x6c -#define BLIZZARD_DATA_SOURCE_SELECT 0x8e -#define BLIZZARD_DISP_MEM_DATA_PORT 0x90 -#define BLIZZARD_DISP_MEM_READ_ADDR0 0x92 -#define BLIZZARD_POWER_SAVE 0xE6 -#define BLIZZARD_NDISP_CTRL_STATUS 0xE8 - -/* Data source select */ -/* For S1D13745 */ -#define BLIZZARD_SRC_WRITE_LCD_BACKGROUND 0x00 -#define BLIZZARD_SRC_WRITE_LCD_DESTRUCTIVE 0x01 -#define BLIZZARD_SRC_WRITE_OVERLAY_ENABLE 0x04 -#define BLIZZARD_SRC_DISABLE_OVERLAY 0x05 -/* For S1D13744 */ -#define BLIZZARD_SRC_WRITE_LCD 0x00 -#define BLIZZARD_SRC_BLT_LCD 0x06 - -#define BLIZZARD_COLOR_RGB565 0x01 -#define BLIZZARD_COLOR_YUV420 0x09 - -#define BLIZZARD_VERSION_S1D13745 0x01 /* Hailstorm */ -#define BLIZZARD_VERSION_S1D13744 0x02 /* Blizzard */ - -#define BLIZZARD_AUTO_UPDATE_TIME (HZ / 20) - -/* Reserve 4 request slots for requests in irq context */ -#define REQ_POOL_SIZE 24 -#define IRQ_REQ_POOL_SIZE 4 - -#define REQ_FROM_IRQ_POOL 0x01 - -#define REQ_COMPLETE 0 -#define REQ_PENDING 1 - -struct blizzard_reg_list { - int start; - int end; -}; - -/* These need to be saved / restored separately from the rest. */ -static const struct blizzard_reg_list blizzard_pll_regs[] = { - { - .start = 0x04, /* Don't save PLL ctrl (0x0C) */ - .end = 0x0a, - }, - { - .start = 0x0e, /* Clock configuration */ - .end = 0x0e, - }, -}; - -static const struct blizzard_reg_list blizzard_gen_regs[] = { - { - .start = 0x18, /* SDRAM control */ - .end = 0x20, - }, - { - .start = 0x28, /* LCD Panel configuration */ - .end = 0x5a, /* HSSI interface, TV configuration */ - }, -}; - -static u8 blizzard_reg_cache[0x5a / 2]; - -struct update_param { - int plane; - int x, y, width, height; - int out_x, out_y; - int out_width, out_height; - int color_mode; - int bpp; - int flags; -}; - -struct blizzard_request { - struct list_head entry; - unsigned int flags; - - int (*handler)(struct blizzard_request *req); - void (*complete)(void *data); - void *complete_data; - - union { - struct update_param update; - struct completion *sync; - } par; -}; - -struct plane_info { - unsigned long offset; - int pos_x, pos_y; - int width, height; - int out_width, out_height; - int scr_width; - int color_mode; - int bpp; -}; - -struct blizzard_struct { - enum omapfb_update_mode update_mode; - enum omapfb_update_mode update_mode_before_suspend; - - struct timer_list auto_update_timer; - int stop_auto_update; - struct omapfb_update_window auto_update_window; - int enabled_planes; - int vid_nonstd_color; - int vid_scaled; - int last_color_mode; - int zoom_on; - int zoom_area_gx1; - int zoom_area_gx2; - int zoom_area_gy1; - int zoom_area_gy2; - int screen_width; - int screen_height; - unsigned te_connected:1; - unsigned vsync_only:1; - - struct plane_info plane[OMAPFB_PLANE_NUM]; - - struct blizzard_request req_pool[REQ_POOL_SIZE]; - struct list_head pending_req_list; - struct list_head free_req_list; - struct semaphore req_sema; - spinlock_t req_lock; - - unsigned long sys_ck_rate; - struct extif_timings reg_timings, lut_timings; - - u32 max_transmit_size; - u32 extif_clk_period; - int extif_clk_div; - unsigned long pix_tx_time; - unsigned long line_upd_time; - - struct omapfb_device *fbdev; - struct lcd_ctrl_extif *extif; - const struct lcd_ctrl *int_ctrl; - - void (*power_up)(struct device *dev); - void (*power_down)(struct device *dev); - - int version; -} blizzard; - -struct lcd_ctrl blizzard_ctrl; - -static u8 blizzard_read_reg(u8 reg) -{ - u8 data; - - blizzard.extif->set_bits_per_cycle(8); - blizzard.extif->write_command(®, 1); - blizzard.extif->read_data(&data, 1); - - return data; -} - -static void blizzard_write_reg(u8 reg, u8 val) -{ - blizzard.extif->set_bits_per_cycle(8); - blizzard.extif->write_command(®, 1); - blizzard.extif->write_data(&val, 1); -} - -static void blizzard_restart_sdram(void) -{ - unsigned long tmo; - - blizzard_write_reg(BLIZZARD_MEM_BANK0_ACTIVATE, 0); - udelay(50); - blizzard_write_reg(BLIZZARD_MEM_BANK0_ACTIVATE, 1); - tmo = jiffies + msecs_to_jiffies(200); - while (!(blizzard_read_reg(BLIZZARD_MEM_BANK0_STATUS) & 0x01)) { - if (time_after(jiffies, tmo)) { - dev_err(blizzard.fbdev->dev, - "s1d1374x: SDRAM not ready\n"); - break; - } - msleep(1); - } -} - -static void blizzard_stop_sdram(void) -{ - blizzard_write_reg(BLIZZARD_MEM_BANK0_ACTIVATE, 0); -} - -/* Wait until the last window was completely written into the controllers - * SDRAM and we can start transferring the next window. - */ -static void blizzard_wait_line_buffer(void) -{ - unsigned long tmo = jiffies + msecs_to_jiffies(30); - - while (blizzard_read_reg(BLIZZARD_NDISP_CTRL_STATUS) & (1 << 7)) { - if (time_after(jiffies, tmo)) { - if (printk_ratelimit()) - dev_err(blizzard.fbdev->dev, - "s1d1374x: line buffer not ready\n"); - break; - } - } -} - -/* Wait until the YYC color space converter is idle. */ -static void blizzard_wait_yyc(void) -{ - unsigned long tmo = jiffies + msecs_to_jiffies(30); - - while (blizzard_read_reg(BLIZZARD_NDISP_CTRL_STATUS) & (1 << 4)) { - if (time_after(jiffies, tmo)) { - if (printk_ratelimit()) - dev_err(blizzard.fbdev->dev, - "s1d1374x: YYC not ready\n"); - break; - } - } -} - -static void disable_overlay(void) -{ - blizzard_write_reg(BLIZZARD_DATA_SOURCE_SELECT, - BLIZZARD_SRC_DISABLE_OVERLAY); -} - -static void set_window_regs(int x_start, int y_start, int x_end, int y_end, - int x_out_start, int y_out_start, - int x_out_end, int y_out_end, int color_mode, - int zoom_off, int flags) -{ - u8 tmp[18]; - u8 cmd; - - x_end--; - y_end--; - tmp[0] = x_start; - tmp[1] = x_start >> 8; - tmp[2] = y_start; - tmp[3] = y_start >> 8; - tmp[4] = x_end; - tmp[5] = x_end >> 8; - tmp[6] = y_end; - tmp[7] = y_end >> 8; - - x_out_end--; - y_out_end--; - tmp[8] = x_out_start; - tmp[9] = x_out_start >> 8; - tmp[10] = y_out_start; - tmp[11] = y_out_start >> 8; - tmp[12] = x_out_end; - tmp[13] = x_out_end >> 8; - tmp[14] = y_out_end; - tmp[15] = y_out_end >> 8; - - tmp[16] = color_mode; - if (zoom_off && blizzard.version == BLIZZARD_VERSION_S1D13745) - tmp[17] = BLIZZARD_SRC_WRITE_LCD_BACKGROUND; - else if (flags & OMAPFB_FORMAT_FLAG_ENABLE_OVERLAY) - tmp[17] = BLIZZARD_SRC_WRITE_OVERLAY_ENABLE; - else - tmp[17] = blizzard.version == BLIZZARD_VERSION_S1D13744 ? - BLIZZARD_SRC_WRITE_LCD : - BLIZZARD_SRC_WRITE_LCD_DESTRUCTIVE; - - blizzard.extif->set_bits_per_cycle(8); - cmd = BLIZZARD_INPUT_WIN_X_START_0; - blizzard.extif->write_command(&cmd, 1); - blizzard.extif->write_data(tmp, 18); -} - -static void enable_tearsync(int y, int width, int height, int screen_height, - int out_height, int force_vsync) -{ - u8 b; - - b = blizzard_read_reg(BLIZZARD_NDISP_CTRL_STATUS); - b |= 1 << 3; - blizzard_write_reg(BLIZZARD_NDISP_CTRL_STATUS, b); - - if (likely(blizzard.vsync_only || force_vsync)) { - blizzard.extif->enable_tearsync(1, 0); - return; - } - - if (width * blizzard.pix_tx_time < blizzard.line_upd_time) { - blizzard.extif->enable_tearsync(1, 0); - return; - } - - if ((width * blizzard.pix_tx_time / 1000) * height < - (y + out_height) * (blizzard.line_upd_time / 1000)) { - blizzard.extif->enable_tearsync(1, 0); - return; - } - - blizzard.extif->enable_tearsync(1, y + 1); -} - -static void disable_tearsync(void) -{ - u8 b; - - blizzard.extif->enable_tearsync(0, 0); - b = blizzard_read_reg(BLIZZARD_NDISP_CTRL_STATUS); - b &= ~(1 << 3); - blizzard_write_reg(BLIZZARD_NDISP_CTRL_STATUS, b); - b = blizzard_read_reg(BLIZZARD_NDISP_CTRL_STATUS); -} - -static inline void set_extif_timings(const struct extif_timings *t); - -static inline struct blizzard_request *alloc_req(void) -{ - unsigned long flags; - struct blizzard_request *req; - int req_flags = 0; - - if (!in_interrupt()) - down(&blizzard.req_sema); - else - req_flags = REQ_FROM_IRQ_POOL; - - spin_lock_irqsave(&blizzard.req_lock, flags); - BUG_ON(list_empty(&blizzard.free_req_list)); - req = list_entry(blizzard.free_req_list.next, - struct blizzard_request, entry); - list_del(&req->entry); - spin_unlock_irqrestore(&blizzard.req_lock, flags); - - INIT_LIST_HEAD(&req->entry); - req->flags = req_flags; - - return req; -} - -static inline void free_req(struct blizzard_request *req) -{ - unsigned long flags; - - spin_lock_irqsave(&blizzard.req_lock, flags); - - list_move(&req->entry, &blizzard.free_req_list); - if (!(req->flags & REQ_FROM_IRQ_POOL)) - up(&blizzard.req_sema); - - spin_unlock_irqrestore(&blizzard.req_lock, flags); -} - -static void process_pending_requests(void) -{ - unsigned long flags; - - spin_lock_irqsave(&blizzard.req_lock, flags); - - while (!list_empty(&blizzard.pending_req_list)) { - struct blizzard_request *req; - void (*complete)(void *); - void *complete_data; - - req = list_entry(blizzard.pending_req_list.next, - struct blizzard_request, entry); - spin_unlock_irqrestore(&blizzard.req_lock, flags); - - if (req->handler(req) == REQ_PENDING) - return; - - complete = req->complete; - complete_data = req->complete_data; - free_req(req); - - if (complete) - complete(complete_data); - - spin_lock_irqsave(&blizzard.req_lock, flags); - } - - spin_unlock_irqrestore(&blizzard.req_lock, flags); -} - -static void submit_req_list(struct list_head *head) -{ - unsigned long flags; - int process = 1; - - spin_lock_irqsave(&blizzard.req_lock, flags); - if (likely(!list_empty(&blizzard.pending_req_list))) - process = 0; - list_splice_init(head, blizzard.pending_req_list.prev); - spin_unlock_irqrestore(&blizzard.req_lock, flags); - - if (process) - process_pending_requests(); -} - -static void request_complete(void *data) -{ - struct blizzard_request *req = (struct blizzard_request *)data; - void (*complete)(void *); - void *complete_data; - - complete = req->complete; - complete_data = req->complete_data; - - free_req(req); - - if (complete) - complete(complete_data); - - process_pending_requests(); -} - - -static int do_full_screen_update(struct blizzard_request *req) -{ - int i; - int flags; - - for (i = 0; i < 3; i++) { - struct plane_info *p = &blizzard.plane[i]; - if (!(blizzard.enabled_planes & (1 << i))) { - blizzard.int_ctrl->enable_plane(i, 0); - continue; - } - dev_dbg(blizzard.fbdev->dev, "pw %d ph %d\n", - p->width, p->height); - blizzard.int_ctrl->setup_plane(i, - OMAPFB_CHANNEL_OUT_LCD, p->offset, - p->scr_width, p->pos_x, p->pos_y, - p->width, p->height, - p->color_mode); - blizzard.int_ctrl->enable_plane(i, 1); - } - - dev_dbg(blizzard.fbdev->dev, "sw %d sh %d\n", - blizzard.screen_width, blizzard.screen_height); - blizzard_wait_line_buffer(); - flags = req->par.update.flags; - if (flags & OMAPFB_FORMAT_FLAG_TEARSYNC) - enable_tearsync(0, blizzard.screen_width, - blizzard.screen_height, - blizzard.screen_height, - blizzard.screen_height, - flags & OMAPFB_FORMAT_FLAG_FORCE_VSYNC); - else - disable_tearsync(); - - set_window_regs(0, 0, blizzard.screen_width, blizzard.screen_height, - 0, 0, blizzard.screen_width, blizzard.screen_height, - BLIZZARD_COLOR_RGB565, blizzard.zoom_on, flags); - blizzard.zoom_on = 0; - - blizzard.extif->set_bits_per_cycle(16); - /* set_window_regs has left the register index at the right - * place, so no need to set it here. - */ - blizzard.extif->transfer_area(blizzard.screen_width, - blizzard.screen_height, - request_complete, req); - return REQ_PENDING; -} - -static int check_1d_intersect(int a1, int a2, int b1, int b2) -{ - if (a2 <= b1 || b2 <= a1) - return 0; - return 1; -} - -/* Setup all planes with an overlapping area with the update window. */ -static int do_partial_update(struct blizzard_request *req, int plane, - int x, int y, int w, int h, - int x_out, int y_out, int w_out, int h_out, - int wnd_color_mode, int bpp) -{ - int i; - int gx1, gy1, gx2, gy2; - int gx1_out, gy1_out, gx2_out, gy2_out; - int color_mode; - int flags; - int zoom_off; - int have_zoom_for_this_update = 0; - - /* Global coordinates, relative to pixel 0,0 of the LCD */ - gx1 = x + blizzard.plane[plane].pos_x; - gy1 = y + blizzard.plane[plane].pos_y; - gx2 = gx1 + w; - gy2 = gy1 + h; - - flags = req->par.update.flags; - if (flags & OMAPFB_FORMAT_FLAG_DOUBLE) { - gx1_out = gx1; - gy1_out = gy1; - gx2_out = gx1 + w * 2; - gy2_out = gy1 + h * 2; - } else { - gx1_out = x_out + blizzard.plane[plane].pos_x; - gy1_out = y_out + blizzard.plane[plane].pos_y; - gx2_out = gx1_out + w_out; - gy2_out = gy1_out + h_out; - } - - for (i = 0; i < OMAPFB_PLANE_NUM; i++) { - struct plane_info *p = &blizzard.plane[i]; - int px1, py1; - int px2, py2; - int pw, ph; - int pposx, pposy; - unsigned long offset; - - if (!(blizzard.enabled_planes & (1 << i)) || - (wnd_color_mode && i != plane)) { - blizzard.int_ctrl->enable_plane(i, 0); - continue; - } - /* Plane coordinates */ - if (i == plane) { - /* Plane in which we are doing the update. - * Local coordinates are the one in the update - * request. - */ - px1 = x; - py1 = y; - px2 = x + w; - py2 = y + h; - pposx = 0; - pposy = 0; - } else { - /* Check if this plane has an overlapping part */ - px1 = gx1 - p->pos_x; - py1 = gy1 - p->pos_y; - px2 = gx2 - p->pos_x; - py2 = gy2 - p->pos_y; - if (px1 >= p->width || py1 >= p->height || - px2 <= 0 || py2 <= 0) { - blizzard.int_ctrl->enable_plane(i, 0); - continue; - } - /* Calculate the coordinates for the overlapping - * part in the plane's local coordinates. - */ - pposx = -px1; - pposy = -py1; - if (px1 < 0) - px1 = 0; - if (py1 < 0) - py1 = 0; - if (px2 > p->width) - px2 = p->width; - if (py2 > p->height) - py2 = p->height; - if (pposx < 0) - pposx = 0; - if (pposy < 0) - pposy = 0; - } - pw = px2 - px1; - ph = py2 - py1; - offset = p->offset + (p->scr_width * py1 + px1) * p->bpp / 8; - if (wnd_color_mode) - /* Window embedded in the plane with a differing - * color mode / bpp. Calculate the number of DMA - * transfer elements in terms of the plane's bpp. - */ - pw = (pw + 1) * bpp / p->bpp; -#ifdef VERBOSE - dev_dbg(blizzard.fbdev->dev, - "plane %d offset %#08lx pposx %d pposy %d " - "px1 %d py1 %d pw %d ph %d\n", - i, offset, pposx, pposy, px1, py1, pw, ph); -#endif - blizzard.int_ctrl->setup_plane(i, - OMAPFB_CHANNEL_OUT_LCD, offset, - p->scr_width, - pposx, pposy, pw, ph, - p->color_mode); - - blizzard.int_ctrl->enable_plane(i, 1); - } - - switch (wnd_color_mode) { - case OMAPFB_COLOR_YUV420: - color_mode = BLIZZARD_COLOR_YUV420; - /* Currently only the 16 bits/pixel cycle format is - * supported on the external interface. Adjust the number - * of transfer elements per line for 12bpp format. - */ - w = (w + 1) * 3 / 4; - break; - default: - color_mode = BLIZZARD_COLOR_RGB565; - break; - } - - blizzard_wait_line_buffer(); - if (blizzard.last_color_mode == BLIZZARD_COLOR_YUV420) - blizzard_wait_yyc(); - blizzard.last_color_mode = color_mode; - if (flags & OMAPFB_FORMAT_FLAG_TEARSYNC) - enable_tearsync(gy1, w, h, - blizzard.screen_height, - h_out, - flags & OMAPFB_FORMAT_FLAG_FORCE_VSYNC); - else - disable_tearsync(); - - if ((gx2_out - gx1_out) != (gx2 - gx1) || - (gy2_out - gy1_out) != (gy2 - gy1)) - have_zoom_for_this_update = 1; - - /* 'background' type of screen update (as opposed to 'destructive') - can be used to disable scaling if scaling is active */ - zoom_off = blizzard.zoom_on && !have_zoom_for_this_update && - (gx1_out == 0) && (gx2_out == blizzard.screen_width) && - (gy1_out == 0) && (gy2_out == blizzard.screen_height) && - (gx1 == 0) && (gy1 == 0); - - if (blizzard.zoom_on && !have_zoom_for_this_update && !zoom_off && - check_1d_intersect(blizzard.zoom_area_gx1, blizzard.zoom_area_gx2, - gx1_out, gx2_out) && - check_1d_intersect(blizzard.zoom_area_gy1, blizzard.zoom_area_gy2, - gy1_out, gy2_out)) { - /* Previous screen update was using scaling, current update - * is not using it. Additionally, current screen update is - * going to overlap with the scaled area. Scaling needs to be - * disabled in order to avoid 'magnifying glass' effect. - * Dummy setup of background window can be used for this. - */ - set_window_regs(0, 0, blizzard.screen_width, - blizzard.screen_height, - 0, 0, blizzard.screen_width, - blizzard.screen_height, - BLIZZARD_COLOR_RGB565, 1, flags); - blizzard.zoom_on = 0; - } - - /* remember scaling settings if we have scaled update */ - if (have_zoom_for_this_update) { - blizzard.zoom_on = 1; - blizzard.zoom_area_gx1 = gx1_out; - blizzard.zoom_area_gx2 = gx2_out; - blizzard.zoom_area_gy1 = gy1_out; - blizzard.zoom_area_gy2 = gy2_out; - } - - set_window_regs(gx1, gy1, gx2, gy2, gx1_out, gy1_out, gx2_out, gy2_out, - color_mode, zoom_off, flags); - if (zoom_off) - blizzard.zoom_on = 0; - - blizzard.extif->set_bits_per_cycle(16); - /* set_window_regs has left the register index at the right - * place, so no need to set it here. - */ - blizzard.extif->transfer_area(w, h, request_complete, req); - - return REQ_PENDING; -} - -static int send_frame_handler(struct blizzard_request *req) -{ - struct update_param *par = &req->par.update; - int plane = par->plane; - -#ifdef VERBOSE - dev_dbg(blizzard.fbdev->dev, - "send_frame: x %d y %d w %d h %d " - "x_out %d y_out %d w_out %d h_out %d " - "color_mode %04x flags %04x planes %01x\n", - par->x, par->y, par->width, par->height, - par->out_x, par->out_y, par->out_width, par->out_height, - par->color_mode, par->flags, blizzard.enabled_planes); -#endif - if (par->flags & OMAPFB_FORMAT_FLAG_DISABLE_OVERLAY) - disable_overlay(); - - if ((blizzard.enabled_planes & blizzard.vid_nonstd_color) || - (blizzard.enabled_planes & blizzard.vid_scaled)) - return do_full_screen_update(req); - - return do_partial_update(req, plane, par->x, par->y, - par->width, par->height, - par->out_x, par->out_y, - par->out_width, par->out_height, - par->color_mode, par->bpp); -} - -static void send_frame_complete(void *data) -{ -} - -#define ADD_PREQ(_x, _y, _w, _h, _x_out, _y_out, _w_out, _h_out) do { \ - req = alloc_req(); \ - req->handler = send_frame_handler; \ - req->complete = send_frame_complete; \ - req->par.update.plane = plane_idx; \ - req->par.update.x = _x; \ - req->par.update.y = _y; \ - req->par.update.width = _w; \ - req->par.update.height = _h; \ - req->par.update.out_x = _x_out; \ - req->par.update.out_y = _y_out; \ - req->par.update.out_width = _w_out; \ - req->par.update.out_height = _h_out; \ - req->par.update.bpp = bpp; \ - req->par.update.color_mode = color_mode;\ - req->par.update.flags = flags; \ - list_add_tail(&req->entry, req_head); \ -} while(0) - -static void create_req_list(int plane_idx, - struct omapfb_update_window *win, - struct list_head *req_head) -{ - struct blizzard_request *req; - int x = win->x; - int y = win->y; - int width = win->width; - int height = win->height; - int x_out = win->out_x; - int y_out = win->out_y; - int width_out = win->out_width; - int height_out = win->out_height; - int color_mode; - int bpp; - int flags; - unsigned int ystart = y; - unsigned int yspan = height; - unsigned int ystart_out = y_out; - unsigned int yspan_out = height_out; - - flags = win->format & ~OMAPFB_FORMAT_MASK; - color_mode = win->format & OMAPFB_FORMAT_MASK; - switch (color_mode) { - case OMAPFB_COLOR_YUV420: - /* Embedded window with different color mode */ - bpp = 12; - /* X, Y, height must be aligned at 2, width at 4 pixels */ - x &= ~1; - y &= ~1; - height = yspan = height & ~1; - width = width & ~3; - break; - default: - /* Same as the plane color mode */ - bpp = blizzard.plane[plane_idx].bpp; - break; - } - if (width * height * bpp / 8 > blizzard.max_transmit_size) { - yspan = blizzard.max_transmit_size / (width * bpp / 8); - yspan_out = yspan * height_out / height; - ADD_PREQ(x, ystart, width, yspan, x_out, ystart_out, - width_out, yspan_out); - ystart += yspan; - ystart_out += yspan_out; - yspan = height - yspan; - yspan_out = height_out - yspan_out; - flags &= ~OMAPFB_FORMAT_FLAG_TEARSYNC; - } - - ADD_PREQ(x, ystart, width, yspan, x_out, ystart_out, - width_out, yspan_out); -} - -static void auto_update_complete(void *data) -{ - if (!blizzard.stop_auto_update) - mod_timer(&blizzard.auto_update_timer, - jiffies + BLIZZARD_AUTO_UPDATE_TIME); -} - -static void blizzard_update_window_auto(unsigned long arg) -{ - LIST_HEAD(req_list); - struct blizzard_request *last; - struct omapfb_plane_struct *plane; - - plane = blizzard.fbdev->fb_info[0]->par; - create_req_list(plane->idx, - &blizzard.auto_update_window, &req_list); - last = list_entry(req_list.prev, struct blizzard_request, entry); - - last->complete = auto_update_complete; - last->complete_data = NULL; - - submit_req_list(&req_list); -} - -int blizzard_update_window_async(struct fb_info *fbi, - struct omapfb_update_window *win, - void (*complete_callback)(void *arg), - void *complete_callback_data) -{ - LIST_HEAD(req_list); - struct blizzard_request *last; - struct omapfb_plane_struct *plane = fbi->par; - - if (unlikely(blizzard.update_mode != OMAPFB_MANUAL_UPDATE)) - return -EINVAL; - if (unlikely(!blizzard.te_connected && - (win->format & OMAPFB_FORMAT_FLAG_TEARSYNC))) - return -EINVAL; - - create_req_list(plane->idx, win, &req_list); - last = list_entry(req_list.prev, struct blizzard_request, entry); - - last->complete = complete_callback; - last->complete_data = (void *)complete_callback_data; - - submit_req_list(&req_list); - - return 0; -} -EXPORT_SYMBOL(blizzard_update_window_async); - -static int update_full_screen(void) -{ - return blizzard_update_window_async(blizzard.fbdev->fb_info[0], - &blizzard.auto_update_window, NULL, NULL); - -} - -static int blizzard_setup_plane(int plane, int channel_out, - unsigned long offset, int screen_width, - int pos_x, int pos_y, int width, int height, - int color_mode) -{ - struct plane_info *p; - -#ifdef VERBOSE - dev_dbg(blizzard.fbdev->dev, - "plane %d ch_out %d offset %#08lx scr_width %d " - "pos_x %d pos_y %d width %d height %d color_mode %d\n", - plane, channel_out, offset, screen_width, - pos_x, pos_y, width, height, color_mode); -#endif - if ((unsigned)plane > OMAPFB_PLANE_NUM) - return -EINVAL; - p = &blizzard.plane[plane]; - - switch (color_mode) { - case OMAPFB_COLOR_YUV422: - case OMAPFB_COLOR_YUY422: - p->bpp = 16; - blizzard.vid_nonstd_color &= ~(1 << plane); - break; - case OMAPFB_COLOR_YUV420: - p->bpp = 12; - blizzard.vid_nonstd_color |= 1 << plane; - break; - case OMAPFB_COLOR_RGB565: - p->bpp = 16; - blizzard.vid_nonstd_color &= ~(1 << plane); - break; - default: - return -EINVAL; - } - - p->offset = offset; - p->pos_x = pos_x; - p->pos_y = pos_y; - p->width = width; - p->height = height; - p->scr_width = screen_width; - if (!p->out_width) - p->out_width = width; - if (!p->out_height) - p->out_height = height; - - p->color_mode = color_mode; - - return 0; -} - -static int blizzard_set_scale(int plane, int orig_w, int orig_h, - int out_w, int out_h) -{ - struct plane_info *p = &blizzard.plane[plane]; - int r; - - dev_dbg(blizzard.fbdev->dev, - "plane %d orig_w %d orig_h %d out_w %d out_h %d\n", - plane, orig_w, orig_h, out_w, out_h); - if ((unsigned)plane > OMAPFB_PLANE_NUM) - return -ENODEV; - - r = blizzard.int_ctrl->set_scale(plane, orig_w, orig_h, out_w, out_h); - if (r < 0) - return r; - - p->width = orig_w; - p->height = orig_h; - p->out_width = out_w; - p->out_height = out_h; - if (orig_w == out_w && orig_h == out_h) - blizzard.vid_scaled &= ~(1 << plane); - else - blizzard.vid_scaled |= 1 << plane; - - return 0; -} - -static int blizzard_set_rotate(int angle) -{ - u32 l; - - l = blizzard_read_reg(BLIZZARD_PANEL_CONFIGURATION); - l &= ~0x03; - - switch (angle) { - case 0: - l = l | 0x00; - break; - case 90: - l = l | 0x03; - break; - case 180: - l = l | 0x02; - break; - case 270: - l = l | 0x01; - break; - default: - return -EINVAL; - } - - blizzard_write_reg(BLIZZARD_PANEL_CONFIGURATION, l); - - return 0; -} - -static int blizzard_enable_plane(int plane, int enable) -{ - if (enable) - blizzard.enabled_planes |= 1 << plane; - else - blizzard.enabled_planes &= ~(1 << plane); - - return 0; -} - -static int sync_handler(struct blizzard_request *req) -{ - complete(req->par.sync); - return REQ_COMPLETE; -} - -static void blizzard_sync(void) -{ - LIST_HEAD(req_list); - struct blizzard_request *req; - struct completion comp; - - req = alloc_req(); - - req->handler = sync_handler; - req->complete = NULL; - init_completion(&comp); - req->par.sync = ∁ - - list_add(&req->entry, &req_list); - submit_req_list(&req_list); - - wait_for_completion(&comp); -} - - -static void blizzard_bind_client(struct omapfb_notifier_block *nb) -{ - if (blizzard.update_mode == OMAPFB_MANUAL_UPDATE) { - omapfb_notify_clients(blizzard.fbdev, OMAPFB_EVENT_READY); - } -} - -static int blizzard_set_update_mode(enum omapfb_update_mode mode) -{ - if (unlikely(mode != OMAPFB_MANUAL_UPDATE && - mode != OMAPFB_AUTO_UPDATE && - mode != OMAPFB_UPDATE_DISABLED)) - return -EINVAL; - - if (mode == blizzard.update_mode) - return 0; - - dev_info(blizzard.fbdev->dev, "s1d1374x: setting update mode to %s\n", - mode == OMAPFB_UPDATE_DISABLED ? "disabled" : - (mode == OMAPFB_AUTO_UPDATE ? "auto" : "manual")); - - switch (blizzard.update_mode) { - case OMAPFB_MANUAL_UPDATE: - omapfb_notify_clients(blizzard.fbdev, OMAPFB_EVENT_DISABLED); - break; - case OMAPFB_AUTO_UPDATE: - blizzard.stop_auto_update = 1; - del_timer_sync(&blizzard.auto_update_timer); - break; - case OMAPFB_UPDATE_DISABLED: - break; - } - - blizzard.update_mode = mode; - blizzard_sync(); - blizzard.stop_auto_update = 0; - - switch (mode) { - case OMAPFB_MANUAL_UPDATE: - omapfb_notify_clients(blizzard.fbdev, OMAPFB_EVENT_READY); - break; - case OMAPFB_AUTO_UPDATE: - blizzard_update_window_auto(0); - break; - case OMAPFB_UPDATE_DISABLED: - break; - } - - return 0; -} - -static enum omapfb_update_mode blizzard_get_update_mode(void) -{ - return blizzard.update_mode; -} - -static inline void set_extif_timings(const struct extif_timings *t) -{ - blizzard.extif->set_timings(t); -} - -static inline unsigned long round_to_extif_ticks(unsigned long ps, int div) -{ - int bus_tick = blizzard.extif_clk_period * div; - return (ps + bus_tick - 1) / bus_tick * bus_tick; -} - -static int calc_reg_timing(unsigned long sysclk, int div) -{ - struct extif_timings *t; - unsigned long systim; - - /* CSOnTime 0, WEOnTime 2 ns, REOnTime 2 ns, - * AccessTime 2 ns + 12.2 ns (regs), - * WEOffTime = WEOnTime + 1 ns, - * REOffTime = REOnTime + 12 ns (regs), - * CSOffTime = REOffTime + 1 ns - * ReadCycle = 2ns + 2*SYSCLK (regs), - * WriteCycle = 2*SYSCLK + 2 ns, - * CSPulseWidth = 10 ns */ - - systim = 1000000000 / (sysclk / 1000); - dev_dbg(blizzard.fbdev->dev, - "Blizzard systim %lu ps extif_clk_period %u div %d\n", - systim, blizzard.extif_clk_period, div); - - t = &blizzard.reg_timings; - memset(t, 0, sizeof(*t)); - - t->clk_div = div; - - t->cs_on_time = 0; - t->we_on_time = round_to_extif_ticks(t->cs_on_time + 2000, div); - t->re_on_time = round_to_extif_ticks(t->cs_on_time + 2000, div); - t->access_time = round_to_extif_ticks(t->re_on_time + 12200, div); - t->we_off_time = round_to_extif_ticks(t->we_on_time + 1000, div); - t->re_off_time = round_to_extif_ticks(t->re_on_time + 13000, div); - t->cs_off_time = round_to_extif_ticks(t->re_off_time + 1000, div); - t->we_cycle_time = round_to_extif_ticks(2 * systim + 2000, div); - if (t->we_cycle_time < t->we_off_time) - t->we_cycle_time = t->we_off_time; - t->re_cycle_time = round_to_extif_ticks(2 * systim + 2000, div); - if (t->re_cycle_time < t->re_off_time) - t->re_cycle_time = t->re_off_time; - t->cs_pulse_width = 0; - - dev_dbg(blizzard.fbdev->dev, "[reg]cson %d csoff %d reon %d reoff %d\n", - t->cs_on_time, t->cs_off_time, t->re_on_time, t->re_off_time); - dev_dbg(blizzard.fbdev->dev, "[reg]weon %d weoff %d recyc %d wecyc %d\n", - t->we_on_time, t->we_off_time, t->re_cycle_time, - t->we_cycle_time); - dev_dbg(blizzard.fbdev->dev, "[reg]rdaccess %d cspulse %d\n", - t->access_time, t->cs_pulse_width); - - return blizzard.extif->convert_timings(t); -} - -static int calc_lut_timing(unsigned long sysclk, int div) -{ - struct extif_timings *t; - unsigned long systim; - - /* CSOnTime 0, WEOnTime 2 ns, REOnTime 2 ns, - * AccessTime 2 ns + 4 * SYSCLK + 26 (lut), - * WEOffTime = WEOnTime + 1 ns, - * REOffTime = REOnTime + 4*SYSCLK + 26 ns (lut), - * CSOffTime = REOffTime + 1 ns - * ReadCycle = 2ns + 4*SYSCLK + 26 ns (lut), - * WriteCycle = 2*SYSCLK + 2 ns, - * CSPulseWidth = 10 ns */ - - systim = 1000000000 / (sysclk / 1000); - dev_dbg(blizzard.fbdev->dev, - "Blizzard systim %lu ps extif_clk_period %u div %d\n", - systim, blizzard.extif_clk_period, div); - - t = &blizzard.lut_timings; - memset(t, 0, sizeof(*t)); - - t->clk_div = div; - - t->cs_on_time = 0; - t->we_on_time = round_to_extif_ticks(t->cs_on_time + 2000, div); - t->re_on_time = round_to_extif_ticks(t->cs_on_time + 2000, div); - t->access_time = round_to_extif_ticks(t->re_on_time + 4 * systim + - 26000, div); - t->we_off_time = round_to_extif_ticks(t->we_on_time + 1000, div); - t->re_off_time = round_to_extif_ticks(t->re_on_time + 4 * systim + - 26000, div); - t->cs_off_time = round_to_extif_ticks(t->re_off_time + 1000, div); - t->we_cycle_time = round_to_extif_ticks(2 * systim + 2000, div); - if (t->we_cycle_time < t->we_off_time) - t->we_cycle_time = t->we_off_time; - t->re_cycle_time = round_to_extif_ticks(2000 + 4 * systim + 26000, div); - if (t->re_cycle_time < t->re_off_time) - t->re_cycle_time = t->re_off_time; - t->cs_pulse_width = 0; - - dev_dbg(blizzard.fbdev->dev, - "[lut]cson %d csoff %d reon %d reoff %d\n", - t->cs_on_time, t->cs_off_time, t->re_on_time, t->re_off_time); - dev_dbg(blizzard.fbdev->dev, - "[lut]weon %d weoff %d recyc %d wecyc %d\n", - t->we_on_time, t->we_off_time, t->re_cycle_time, - t->we_cycle_time); - dev_dbg(blizzard.fbdev->dev, "[lut]rdaccess %d cspulse %d\n", - t->access_time, t->cs_pulse_width); - - return blizzard.extif->convert_timings(t); -} - -static int calc_extif_timings(unsigned long sysclk, int *extif_mem_div) -{ - int max_clk_div; - int div; - - blizzard.extif->get_clk_info(&blizzard.extif_clk_period, &max_clk_div); - for (div = 1; div <= max_clk_div; div++) { - if (calc_reg_timing(sysclk, div) == 0) - break; - } - if (div > max_clk_div) { - dev_dbg(blizzard.fbdev->dev, "reg timing failed\n"); - goto err; - } - *extif_mem_div = div; - - for (div = 1; div <= max_clk_div; div++) { - if (calc_lut_timing(sysclk, div) == 0) - break; - } - - if (div > max_clk_div) - goto err; - - blizzard.extif_clk_div = div; - - return 0; -err: - dev_err(blizzard.fbdev->dev, "can't setup timings\n"); - return -1; -} - -static void calc_blizzard_clk_rates(unsigned long ext_clk, - unsigned long *sys_clk, unsigned long *pix_clk) -{ - int pix_clk_src; - int sys_div = 0, sys_mul = 0; - int pix_div; - - pix_clk_src = blizzard_read_reg(BLIZZARD_CLK_SRC); - pix_div = ((pix_clk_src >> 3) & 0x1f) + 1; - if ((pix_clk_src & (0x3 << 1)) == 0) { - /* Source is the PLL */ - sys_div = (blizzard_read_reg(BLIZZARD_PLL_DIV) & 0x3f) + 1; - sys_mul = blizzard_read_reg(BLIZZARD_PLL_CLOCK_SYNTH_0); - sys_mul |= ((blizzard_read_reg(BLIZZARD_PLL_CLOCK_SYNTH_1) - & 0x0f) << 11); - *sys_clk = ext_clk * sys_mul / sys_div; - } else /* else source is ext clk, or oscillator */ - *sys_clk = ext_clk; - - *pix_clk = *sys_clk / pix_div; /* HZ */ - dev_dbg(blizzard.fbdev->dev, - "ext_clk %ld pix_src %d pix_div %d sys_div %d sys_mul %d\n", - ext_clk, pix_clk_src & (0x3 << 1), pix_div, sys_div, sys_mul); - dev_dbg(blizzard.fbdev->dev, "sys_clk %ld pix_clk %ld\n", - *sys_clk, *pix_clk); -} - -static int setup_tearsync(unsigned long pix_clk, int extif_div) -{ - int hdisp, vdisp; - int hndp, vndp; - int hsw, vsw; - int hs, vs; - int hs_pol_inv, vs_pol_inv; - int use_hsvs, use_ndp; - u8 b; - - hsw = blizzard_read_reg(BLIZZARD_HSW); - vsw = blizzard_read_reg(BLIZZARD_VSW); - hs_pol_inv = !(hsw & 0x80); - vs_pol_inv = !(vsw & 0x80); - hsw = hsw & 0x7f; - vsw = vsw & 0x3f; - - hdisp = blizzard_read_reg(BLIZZARD_HDISP) * 8; - vdisp = blizzard_read_reg(BLIZZARD_VDISP0) + - ((blizzard_read_reg(BLIZZARD_VDISP1) & 0x3) << 8); - - hndp = blizzard_read_reg(BLIZZARD_HNDP) & 0x3f; - vndp = blizzard_read_reg(BLIZZARD_VNDP); - - /* time to transfer one pixel (16bpp) in ps */ - blizzard.pix_tx_time = blizzard.reg_timings.we_cycle_time; - if (blizzard.extif->get_max_tx_rate != NULL) { - /* The external interface might have a rate limitation, - * if so, we have to maximize our transfer rate. - */ - unsigned long min_tx_time; - unsigned long max_tx_rate = blizzard.extif->get_max_tx_rate(); - - dev_dbg(blizzard.fbdev->dev, "max_tx_rate %ld HZ\n", - max_tx_rate); - min_tx_time = 1000000000 / (max_tx_rate / 1000); /* ps */ - if (blizzard.pix_tx_time < min_tx_time) - blizzard.pix_tx_time = min_tx_time; - } - - /* time to update one line in ps */ - blizzard.line_upd_time = (hdisp + hndp) * 1000000 / (pix_clk / 1000); - blizzard.line_upd_time *= 1000; - if (hdisp * blizzard.pix_tx_time > blizzard.line_upd_time) - /* transfer speed too low, we might have to use both - * HS and VS */ - use_hsvs = 1; - else - /* decent transfer speed, we'll always use only VS */ - use_hsvs = 0; - - if (use_hsvs && (hs_pol_inv || vs_pol_inv)) { - /* HS or'ed with VS doesn't work, use the active high - * TE signal based on HNDP / VNDP */ - use_ndp = 1; - hs_pol_inv = 0; - vs_pol_inv = 0; - hs = hndp; - vs = vndp; - } else { - /* Use HS or'ed with VS as a TE signal if both are needed - * or VNDP if only vsync is needed. */ - use_ndp = 0; - hs = hsw; - vs = vsw; - if (!use_hsvs) { - hs_pol_inv = 0; - vs_pol_inv = 0; - } - } - - hs = hs * 1000000 / (pix_clk / 1000); /* ps */ - hs *= 1000; - - vs = vs * (hdisp + hndp) * 1000000 / (pix_clk / 1000); /* ps */ - vs *= 1000; - - if (vs <= hs) - return -EDOM; - /* set VS to 120% of HS to minimize VS detection time */ - vs = hs * 12 / 10; - /* minimize HS too */ - if (hs > 10000) - hs = 10000; - - b = blizzard_read_reg(BLIZZARD_NDISP_CTRL_STATUS); - b &= ~0x3; - b |= use_hsvs ? 1 : 0; - b |= (use_ndp && use_hsvs) ? 0 : 2; - blizzard_write_reg(BLIZZARD_NDISP_CTRL_STATUS, b); - - blizzard.vsync_only = !use_hsvs; - - dev_dbg(blizzard.fbdev->dev, - "pix_clk %ld HZ pix_tx_time %ld ps line_upd_time %ld ps\n", - pix_clk, blizzard.pix_tx_time, blizzard.line_upd_time); - dev_dbg(blizzard.fbdev->dev, - "hs %d ps vs %d ps mode %d vsync_only %d\n", - hs, vs, b & 0x3, !use_hsvs); - - return blizzard.extif->setup_tearsync(1, hs, vs, - hs_pol_inv, vs_pol_inv, - extif_div); -} - -static void blizzard_get_caps(int plane, struct omapfb_caps *caps) -{ - blizzard.int_ctrl->get_caps(plane, caps); - caps->ctrl |= OMAPFB_CAPS_MANUAL_UPDATE | - OMAPFB_CAPS_WINDOW_PIXEL_DOUBLE | - OMAPFB_CAPS_WINDOW_SCALE | - OMAPFB_CAPS_WINDOW_OVERLAY | - OMAPFB_CAPS_WINDOW_ROTATE; - if (blizzard.te_connected) - caps->ctrl |= OMAPFB_CAPS_TEARSYNC; - caps->wnd_color |= (1 << OMAPFB_COLOR_RGB565) | - (1 << OMAPFB_COLOR_YUV420); -} - -static void _save_regs(const struct blizzard_reg_list *list, int cnt) -{ - int i; - - for (i = 0; i < cnt; i++, list++) { - int reg; - for (reg = list->start; reg <= list->end; reg += 2) - blizzard_reg_cache[reg / 2] = blizzard_read_reg(reg); - } -} - -static void _restore_regs(const struct blizzard_reg_list *list, int cnt) -{ - int i; - - for (i = 0; i < cnt; i++, list++) { - int reg; - for (reg = list->start; reg <= list->end; reg += 2) - blizzard_write_reg(reg, blizzard_reg_cache[reg / 2]); - } -} - -static void blizzard_save_all_regs(void) -{ - _save_regs(blizzard_pll_regs, ARRAY_SIZE(blizzard_pll_regs)); - _save_regs(blizzard_gen_regs, ARRAY_SIZE(blizzard_gen_regs)); -} - -static void blizzard_restore_pll_regs(void) -{ - _restore_regs(blizzard_pll_regs, ARRAY_SIZE(blizzard_pll_regs)); -} - -static void blizzard_restore_gen_regs(void) -{ - _restore_regs(blizzard_gen_regs, ARRAY_SIZE(blizzard_gen_regs)); -} - -static void blizzard_suspend(void) -{ - u32 l; - unsigned long tmo; - - if (blizzard.last_color_mode) { - update_full_screen(); - blizzard_sync(); - } - blizzard.update_mode_before_suspend = blizzard.update_mode; - /* the following will disable clocks as well */ - blizzard_set_update_mode(OMAPFB_UPDATE_DISABLED); - - blizzard_save_all_regs(); - - blizzard_stop_sdram(); - - l = blizzard_read_reg(BLIZZARD_POWER_SAVE); - /* Standby, Sleep. We assume we use an external clock. */ - l |= 0x03; - blizzard_write_reg(BLIZZARD_POWER_SAVE, l); - - tmo = jiffies + msecs_to_jiffies(100); - while (!(blizzard_read_reg(BLIZZARD_PLL_MODE) & (1 << 1))) { - if (time_after(jiffies, tmo)) { - dev_err(blizzard.fbdev->dev, - "s1d1374x: sleep timeout, stopping PLL manually\n"); - l = blizzard_read_reg(BLIZZARD_PLL_MODE); - l &= ~0x03; - /* Disable PLL, counter function */ - l |= 0x2; - blizzard_write_reg(BLIZZARD_PLL_MODE, l); - break; - } - msleep(1); - } - - if (blizzard.power_down != NULL) - blizzard.power_down(blizzard.fbdev->dev); -} - -static void blizzard_resume(void) -{ - u32 l; - - if (blizzard.power_up != NULL) - blizzard.power_up(blizzard.fbdev->dev); - - l = blizzard_read_reg(BLIZZARD_POWER_SAVE); - /* Standby, Sleep */ - l &= ~0x03; - blizzard_write_reg(BLIZZARD_POWER_SAVE, l); - - blizzard_restore_pll_regs(); - l = blizzard_read_reg(BLIZZARD_PLL_MODE); - l &= ~0x03; - /* Enable PLL, counter function */ - l |= 0x1; - blizzard_write_reg(BLIZZARD_PLL_MODE, l); - - while (!(blizzard_read_reg(BLIZZARD_PLL_DIV) & (1 << 7))) - msleep(1); - - blizzard_restart_sdram(); - - blizzard_restore_gen_regs(); - - /* Enable display */ - blizzard_write_reg(BLIZZARD_DISPLAY_MODE, 0x01); - - /* the following will enable clocks as necessary */ - blizzard_set_update_mode(blizzard.update_mode_before_suspend); - - /* Force a background update */ - blizzard.zoom_on = 1; - update_full_screen(); - blizzard_sync(); -} - -static int blizzard_init(struct omapfb_device *fbdev, int ext_mode, - struct omapfb_mem_desc *req_vram) -{ - int r = 0, i; - u8 rev, conf; - unsigned long ext_clk; - int extif_div; - unsigned long sys_clk, pix_clk; - struct omapfb_platform_data *omapfb_conf; - struct blizzard_platform_data *ctrl_conf; - - blizzard.fbdev = fbdev; - - BUG_ON(!fbdev->ext_if || !fbdev->int_ctrl); - - blizzard.fbdev = fbdev; - blizzard.extif = fbdev->ext_if; - blizzard.int_ctrl = fbdev->int_ctrl; - - omapfb_conf = fbdev->dev->platform_data; - ctrl_conf = omapfb_conf->ctrl_platform_data; - if (ctrl_conf == NULL || ctrl_conf->get_clock_rate == NULL) { - dev_err(fbdev->dev, "s1d1374x: missing platform data\n"); - r = -ENOENT; - goto err1; - } - - blizzard.power_down = ctrl_conf->power_down; - blizzard.power_up = ctrl_conf->power_up; - - spin_lock_init(&blizzard.req_lock); - - if ((r = blizzard.int_ctrl->init(fbdev, 1, req_vram)) < 0) - goto err1; - - if ((r = blizzard.extif->init(fbdev)) < 0) - goto err2; - - blizzard_ctrl.set_color_key = blizzard.int_ctrl->set_color_key; - blizzard_ctrl.get_color_key = blizzard.int_ctrl->get_color_key; - blizzard_ctrl.setup_mem = blizzard.int_ctrl->setup_mem; - blizzard_ctrl.mmap = blizzard.int_ctrl->mmap; - - ext_clk = ctrl_conf->get_clock_rate(fbdev->dev); - if ((r = calc_extif_timings(ext_clk, &extif_div)) < 0) - goto err3; - - set_extif_timings(&blizzard.reg_timings); - - if (blizzard.power_up != NULL) - blizzard.power_up(fbdev->dev); - - calc_blizzard_clk_rates(ext_clk, &sys_clk, &pix_clk); - - if ((r = calc_extif_timings(sys_clk, &extif_div)) < 0) - goto err3; - set_extif_timings(&blizzard.reg_timings); - - if (!(blizzard_read_reg(BLIZZARD_PLL_DIV) & 0x80)) { - dev_err(fbdev->dev, - "controller not initialized by the bootloader\n"); - r = -ENODEV; - goto err3; - } - - if (ctrl_conf->te_connected) { - if ((r = setup_tearsync(pix_clk, extif_div)) < 0) - goto err3; - blizzard.te_connected = 1; - } - - rev = blizzard_read_reg(BLIZZARD_REV_CODE); - conf = blizzard_read_reg(BLIZZARD_CONFIG); - - switch (rev & 0xfc) { - case 0x9c: - blizzard.version = BLIZZARD_VERSION_S1D13744; - pr_info("omapfb: s1d13744 LCD controller rev %d " - "initialized (CNF pins %x)\n", rev & 0x03, conf & 0x07); - break; - case 0xa4: - blizzard.version = BLIZZARD_VERSION_S1D13745; - pr_info("omapfb: s1d13745 LCD controller rev %d " - "initialized (CNF pins %x)\n", rev & 0x03, conf & 0x07); - break; - default: - dev_err(fbdev->dev, "invalid s1d1374x revision %02x\n", - rev); - r = -ENODEV; - goto err3; - } - - blizzard.max_transmit_size = blizzard.extif->max_transmit_size; - - blizzard.update_mode = OMAPFB_UPDATE_DISABLED; - - blizzard.auto_update_window.x = 0; - blizzard.auto_update_window.y = 0; - blizzard.auto_update_window.width = fbdev->panel->x_res; - blizzard.auto_update_window.height = fbdev->panel->y_res; - blizzard.auto_update_window.out_x = 0; - blizzard.auto_update_window.out_y = 0; - blizzard.auto_update_window.out_width = fbdev->panel->x_res; - blizzard.auto_update_window.out_height = fbdev->panel->y_res; - blizzard.auto_update_window.format = 0; - - blizzard.screen_width = fbdev->panel->x_res; - blizzard.screen_height = fbdev->panel->y_res; - - init_timer(&blizzard.auto_update_timer); - blizzard.auto_update_timer.function = blizzard_update_window_auto; - blizzard.auto_update_timer.data = 0; - - INIT_LIST_HEAD(&blizzard.free_req_list); - INIT_LIST_HEAD(&blizzard.pending_req_list); - for (i = 0; i < ARRAY_SIZE(blizzard.req_pool); i++) - list_add(&blizzard.req_pool[i].entry, &blizzard.free_req_list); - BUG_ON(i <= IRQ_REQ_POOL_SIZE); - sema_init(&blizzard.req_sema, i - IRQ_REQ_POOL_SIZE); - - return 0; -err3: - if (blizzard.power_down != NULL) - blizzard.power_down(fbdev->dev); - blizzard.extif->cleanup(); -err2: - blizzard.int_ctrl->cleanup(); -err1: - return r; -} - -static void blizzard_cleanup(void) -{ - blizzard_set_update_mode(OMAPFB_UPDATE_DISABLED); - blizzard.extif->cleanup(); - blizzard.int_ctrl->cleanup(); - if (blizzard.power_down != NULL) - blizzard.power_down(blizzard.fbdev->dev); -} - -struct lcd_ctrl blizzard_ctrl = { - .name = "blizzard", - .init = blizzard_init, - .cleanup = blizzard_cleanup, - .bind_client = blizzard_bind_client, - .get_caps = blizzard_get_caps, - .set_update_mode = blizzard_set_update_mode, - .get_update_mode = blizzard_get_update_mode, - .setup_plane = blizzard_setup_plane, - .set_scale = blizzard_set_scale, - .enable_plane = blizzard_enable_plane, - .set_rotate = blizzard_set_rotate, - .update_window = blizzard_update_window_async, - .sync = blizzard_sync, - .suspend = blizzard_suspend, - .resume = blizzard_resume, -}; - diff --git a/drivers/video/omap/dispc.c b/drivers/video/omap/dispc.c deleted file mode 100644 index 6f61e78..0000000 --- a/drivers/video/omap/dispc.c +++ /dev/null @@ -1,1547 +0,0 @@ -/* - * OMAP2 display controller support - * - * Copyright (C) 2005 Nokia Corporation - * Author: Imre Deak <imre.deak@nokia.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/dma-mapping.h> -#include <linux/mm.h> -#include <linux/vmalloc.h> -#include <linux/clk.h> -#include <linux/io.h> -#include <linux/platform_device.h> -#include <linux/slab.h> - -#include <plat/sram.h> -#include <plat/board.h> - -#include "omapfb.h" -#include "dispc.h" - -#define MODULE_NAME "dispc" - -#define DSS_BASE 0x48050000 -#define DSS_SYSCONFIG 0x0010 - -#define DISPC_BASE 0x48050400 - -/* DISPC common */ -#define DISPC_REVISION 0x0000 -#define DISPC_SYSCONFIG 0x0010 -#define DISPC_SYSSTATUS 0x0014 -#define DISPC_IRQSTATUS 0x0018 -#define DISPC_IRQENABLE 0x001C -#define DISPC_CONTROL 0x0040 -#define DISPC_CONFIG 0x0044 -#define DISPC_CAPABLE 0x0048 -#define DISPC_DEFAULT_COLOR0 0x004C -#define DISPC_DEFAULT_COLOR1 0x0050 -#define DISPC_TRANS_COLOR0 0x0054 -#define DISPC_TRANS_COLOR1 0x0058 -#define DISPC_LINE_STATUS 0x005C -#define DISPC_LINE_NUMBER 0x0060 -#define DISPC_TIMING_H 0x0064 -#define DISPC_TIMING_V 0x0068 -#define DISPC_POL_FREQ 0x006C -#define DISPC_DIVISOR 0x0070 -#define DISPC_SIZE_DIG 0x0078 -#define DISPC_SIZE_LCD 0x007C - -#define DISPC_DATA_CYCLE1 0x01D4 -#define DISPC_DATA_CYCLE2 0x01D8 -#define DISPC_DATA_CYCLE3 0x01DC - -/* DISPC GFX plane */ -#define DISPC_GFX_BA0 0x0080 -#define DISPC_GFX_BA1 0x0084 -#define DISPC_GFX_POSITION 0x0088 -#define DISPC_GFX_SIZE 0x008C -#define DISPC_GFX_ATTRIBUTES 0x00A0 -#define DISPC_GFX_FIFO_THRESHOLD 0x00A4 -#define DISPC_GFX_FIFO_SIZE_STATUS 0x00A8 -#define DISPC_GFX_ROW_INC 0x00AC -#define DISPC_GFX_PIXEL_INC 0x00B0 -#define DISPC_GFX_WINDOW_SKIP 0x00B4 -#define DISPC_GFX_TABLE_BA 0x00B8 - -/* DISPC Video plane 1/2 */ -#define DISPC_VID1_BASE 0x00BC -#define DISPC_VID2_BASE 0x014C - -/* Offsets into DISPC_VID1/2_BASE */ -#define DISPC_VID_BA0 0x0000 -#define DISPC_VID_BA1 0x0004 -#define DISPC_VID_POSITION 0x0008 -#define DISPC_VID_SIZE 0x000C -#define DISPC_VID_ATTRIBUTES 0x0010 -#define DISPC_VID_FIFO_THRESHOLD 0x0014 -#define DISPC_VID_FIFO_SIZE_STATUS 0x0018 -#define DISPC_VID_ROW_INC 0x001C -#define DISPC_VID_PIXEL_INC 0x0020 -#define DISPC_VID_FIR 0x0024 -#define DISPC_VID_PICTURE_SIZE 0x0028 -#define DISPC_VID_ACCU0 0x002C -#define DISPC_VID_ACCU1 0x0030 - -/* 8 elements in 8 byte increments */ -#define DISPC_VID_FIR_COEF_H0 0x0034 -/* 8 elements in 8 byte increments */ -#define DISPC_VID_FIR_COEF_HV0 0x0038 -/* 5 elements in 4 byte increments */ -#define DISPC_VID_CONV_COEF0 0x0074 - -#define DISPC_IRQ_FRAMEMASK 0x0001 -#define DISPC_IRQ_VSYNC 0x0002 -#define DISPC_IRQ_EVSYNC_EVEN 0x0004 -#define DISPC_IRQ_EVSYNC_ODD 0x0008 -#define DISPC_IRQ_ACBIAS_COUNT_STAT 0x0010 -#define DISPC_IRQ_PROG_LINE_NUM 0x0020 -#define DISPC_IRQ_GFX_FIFO_UNDERFLOW 0x0040 -#define DISPC_IRQ_GFX_END_WIN 0x0080 -#define DISPC_IRQ_PAL_GAMMA_MASK 0x0100 -#define DISPC_IRQ_OCP_ERR 0x0200 -#define DISPC_IRQ_VID1_FIFO_UNDERFLOW 0x0400 -#define DISPC_IRQ_VID1_END_WIN 0x0800 -#define DISPC_IRQ_VID2_FIFO_UNDERFLOW 0x1000 -#define DISPC_IRQ_VID2_END_WIN 0x2000 -#define DISPC_IRQ_SYNC_LOST 0x4000 - -#define DISPC_IRQ_MASK_ALL 0x7fff - -#define DISPC_IRQ_MASK_ERROR (DISPC_IRQ_GFX_FIFO_UNDERFLOW | \ - DISPC_IRQ_VID1_FIFO_UNDERFLOW | \ - DISPC_IRQ_VID2_FIFO_UNDERFLOW | \ - DISPC_IRQ_SYNC_LOST) - -#define RFBI_CONTROL 0x48050040 - -#define MAX_PALETTE_SIZE (256 * 16) - -#define FLD_MASK(pos, len) (((1 << len) - 1) << pos) - -#define MOD_REG_FLD(reg, mask, val) \ - dispc_write_reg((reg), (dispc_read_reg(reg) & ~(mask)) | (val)); - -#define OMAP2_SRAM_START 0x40200000 -/* Maximum size, in reality this is smaller if SRAM is partially locked. */ -#define OMAP2_SRAM_SIZE 0xa0000 /* 640k */ - -/* We support the SDRAM / SRAM types. See OMAPFB_PLANE_MEMTYPE_* in omapfb.h */ -#define DISPC_MEMTYPE_NUM 2 - -#define RESMAP_SIZE(_page_cnt) \ - ((_page_cnt + (sizeof(unsigned long) * 8) - 1) / 8) -#define RESMAP_PTR(_res_map, _page_nr) \ - (((_res_map)->map) + (_page_nr) / (sizeof(unsigned long) * 8)) -#define RESMAP_MASK(_page_nr) \ - (1 << ((_page_nr) & (sizeof(unsigned long) * 8 - 1))) - -struct resmap { - unsigned long start; - unsigned page_cnt; - unsigned long *map; -}; - -#define MAX_IRQ_HANDLERS 4 - -static struct { - void __iomem *base; - - struct omapfb_mem_desc mem_desc; - struct resmap *res_map[DISPC_MEMTYPE_NUM]; - atomic_t map_count[OMAPFB_PLANE_NUM]; - - dma_addr_t palette_paddr; - void *palette_vaddr; - - int ext_mode; - - struct { - u32 irq_mask; - void (*callback)(void *); - void *data; - } irq_handlers[MAX_IRQ_HANDLERS]; - struct completion frame_done; - - int fir_hinc[OMAPFB_PLANE_NUM]; - int fir_vinc[OMAPFB_PLANE_NUM]; - - struct clk *dss_ick, *dss1_fck; - struct clk *dss_54m_fck; - - enum omapfb_update_mode update_mode; - struct omapfb_device *fbdev; - - struct omapfb_color_key color_key; -} dispc; - -static void enable_lcd_clocks(int enable); - -static void inline dispc_write_reg(int idx, u32 val) -{ - __raw_writel(val, dispc.base + idx); -} - -static u32 inline dispc_read_reg(int idx) -{ - u32 l = __raw_readl(dispc.base + idx); - return l; -} - -/* Select RFBI or bypass mode */ -static void enable_rfbi_mode(int enable) -{ - void __iomem *rfbi_control; - u32 l; - - l = dispc_read_reg(DISPC_CONTROL); - /* Enable RFBI, GPIO0/1 */ - l &= ~((1 << 11) | (1 << 15) | (1 << 16)); - l |= enable ? (1 << 11) : 0; - /* RFBI En: GPIO0/1=10 RFBI Dis: GPIO0/1=11 */ - l |= 1 << 15; - l |= enable ? 0 : (1 << 16); - dispc_write_reg(DISPC_CONTROL, l); - - /* Set bypass mode in RFBI module */ - rfbi_control = ioremap(RFBI_CONTROL, SZ_1K); - if (!rfbi_control) { - pr_err("Unable to ioremap rfbi_control\n"); - return; - } - l = __raw_readl(rfbi_control); - l |= enable ? 0 : (1 << 1); - __raw_writel(l, rfbi_control); - iounmap(rfbi_control); -} - -static void set_lcd_data_lines(int data_lines) -{ - u32 l; - int code = 0; - - switch (data_lines) { - case 12: - code = 0; - break; - case 16: - code = 1; - break; - case 18: - code = 2; - break; - case 24: - code = 3; - break; - default: - BUG(); - } - - l = dispc_read_reg(DISPC_CONTROL); - l &= ~(0x03 << 8); - l |= code << 8; - dispc_write_reg(DISPC_CONTROL, l); -} - -static void set_load_mode(int mode) -{ - BUG_ON(mode & ~(DISPC_LOAD_CLUT_ONLY | DISPC_LOAD_FRAME_ONLY | - DISPC_LOAD_CLUT_ONCE_FRAME)); - MOD_REG_FLD(DISPC_CONFIG, 0x03 << 1, mode << 1); -} - -void omap_dispc_set_lcd_size(int x, int y) -{ - BUG_ON((x > (1 << 11)) || (y > (1 << 11))); - enable_lcd_clocks(1); - MOD_REG_FLD(DISPC_SIZE_LCD, FLD_MASK(16, 11) | FLD_MASK(0, 11), - ((y - 1) << 16) | (x - 1)); - enable_lcd_clocks(0); -} -EXPORT_SYMBOL(omap_dispc_set_lcd_size); - -void omap_dispc_set_digit_size(int x, int y) -{ - BUG_ON((x > (1 << 11)) || (y > (1 << 11))); - enable_lcd_clocks(1); - MOD_REG_FLD(DISPC_SIZE_DIG, FLD_MASK(16, 11) | FLD_MASK(0, 11), - ((y - 1) << 16) | (x - 1)); - enable_lcd_clocks(0); -} -EXPORT_SYMBOL(omap_dispc_set_digit_size); - -static void setup_plane_fifo(int plane, int ext_mode) -{ - const u32 ftrs_reg[] = { DISPC_GFX_FIFO_THRESHOLD, - DISPC_VID1_BASE + DISPC_VID_FIFO_THRESHOLD, - DISPC_VID2_BASE + DISPC_VID_FIFO_THRESHOLD }; - const u32 fsz_reg[] = { DISPC_GFX_FIFO_SIZE_STATUS, - DISPC_VID1_BASE + DISPC_VID_FIFO_SIZE_STATUS, - DISPC_VID2_BASE + DISPC_VID_FIFO_SIZE_STATUS }; - int low, high; - u32 l; - - BUG_ON(plane > 2); - - l = dispc_read_reg(fsz_reg[plane]); - l &= FLD_MASK(0, 11); - if (ext_mode) { - low = l * 3 / 4; - high = l; - } else { - low = l / 4; - high = l * 3 / 4; - } - MOD_REG_FLD(ftrs_reg[plane], FLD_MASK(16, 12) | FLD_MASK(0, 12), - (high << 16) | low); -} - -void omap_dispc_enable_lcd_out(int enable) -{ - enable_lcd_clocks(1); - MOD_REG_FLD(DISPC_CONTROL, 1, enable ? 1 : 0); - enable_lcd_clocks(0); -} -EXPORT_SYMBOL(omap_dispc_enable_lcd_out); - -void omap_dispc_enable_digit_out(int enable) -{ - enable_lcd_clocks(1); - MOD_REG_FLD(DISPC_CONTROL, 1 << 1, enable ? 1 << 1 : 0); - enable_lcd_clocks(0); -} -EXPORT_SYMBOL(omap_dispc_enable_digit_out); - -static inline int _setup_plane(int plane, int channel_out, - u32 paddr, int screen_width, - int pos_x, int pos_y, int width, int height, - int color_mode) -{ - const u32 at_reg[] = { DISPC_GFX_ATTRIBUTES, - DISPC_VID1_BASE + DISPC_VID_ATTRIBUTES, - DISPC_VID2_BASE + DISPC_VID_ATTRIBUTES }; - const u32 ba_reg[] = { DISPC_GFX_BA0, DISPC_VID1_BASE + DISPC_VID_BA0, - DISPC_VID2_BASE + DISPC_VID_BA0 }; - const u32 ps_reg[] = { DISPC_GFX_POSITION, - DISPC_VID1_BASE + DISPC_VID_POSITION, - DISPC_VID2_BASE + DISPC_VID_POSITION }; - const u32 sz_reg[] = { DISPC_GFX_SIZE, - DISPC_VID1_BASE + DISPC_VID_PICTURE_SIZE, - DISPC_VID2_BASE + DISPC_VID_PICTURE_SIZE }; - const u32 ri_reg[] = { DISPC_GFX_ROW_INC, - DISPC_VID1_BASE + DISPC_VID_ROW_INC, - DISPC_VID2_BASE + DISPC_VID_ROW_INC }; - const u32 vs_reg[] = { 0, DISPC_VID1_BASE + DISPC_VID_SIZE, - DISPC_VID2_BASE + DISPC_VID_SIZE }; - - int chout_shift, burst_shift; - int chout_val; - int color_code; - int bpp; - int cconv_en; - int set_vsize; - u32 l; - -#ifdef VERBOSE - dev_dbg(dispc.fbdev->dev, "plane %d channel %d paddr %#08x scr_width %d" - " pos_x %d pos_y %d width %d height %d color_mode %d\n", - plane, channel_out, paddr, screen_width, pos_x, pos_y, - width, height, color_mode); -#endif - - set_vsize = 0; - switch (plane) { - case OMAPFB_PLANE_GFX: - burst_shift = 6; - chout_shift = 8; - break; - case OMAPFB_PLANE_VID1: - case OMAPFB_PLANE_VID2: - burst_shift = 14; - chout_shift = 16; - set_vsize = 1; - break; - default: - return -EINVAL; - } - - switch (channel_out) { - case OMAPFB_CHANNEL_OUT_LCD: - chout_val = 0; - break; - case OMAPFB_CHANNEL_OUT_DIGIT: - chout_val = 1; - break; - default: - return -EINVAL; - } - - cconv_en = 0; - switch (color_mode) { - case OMAPFB_COLOR_RGB565: - color_code = DISPC_RGB_16_BPP; - bpp = 16; - break; - case OMAPFB_COLOR_YUV422: - if (plane == 0) - return -EINVAL; - color_code = DISPC_UYVY_422; - cconv_en = 1; - bpp = 16; - break; - case OMAPFB_COLOR_YUY422: - if (plane == 0) - return -EINVAL; - color_code = DISPC_YUV2_422; - cconv_en = 1; - bpp = 16; - break; - default: - return -EINVAL; - } - - l = dispc_read_reg(at_reg[plane]); - - l &= ~(0x0f << 1); - l |= color_code << 1; - l &= ~(1 << 9); - l |= cconv_en << 9; - - l &= ~(0x03 << burst_shift); - l |= DISPC_BURST_8x32 << burst_shift; - - l &= ~(1 << chout_shift); - l |= chout_val << chout_shift; - - dispc_write_reg(at_reg[plane], l); - - dispc_write_reg(ba_reg[plane], paddr); - MOD_REG_FLD(ps_reg[plane], - FLD_MASK(16, 11) | FLD_MASK(0, 11), (pos_y << 16) | pos_x); - - MOD_REG_FLD(sz_reg[plane], FLD_MASK(16, 11) | FLD_MASK(0, 11), - ((height - 1) << 16) | (width - 1)); - - if (set_vsize) { - /* Set video size if set_scale hasn't set it */ - if (!dispc.fir_vinc[plane]) - MOD_REG_FLD(vs_reg[plane], - FLD_MASK(16, 11), (height - 1) << 16); - if (!dispc.fir_hinc[plane]) - MOD_REG_FLD(vs_reg[plane], - FLD_MASK(0, 11), width - 1); - } - - dispc_write_reg(ri_reg[plane], (screen_width - width) * bpp / 8 + 1); - - return height * screen_width * bpp / 8; -} - -static int omap_dispc_setup_plane(int plane, int channel_out, - unsigned long offset, - int screen_width, - int pos_x, int pos_y, int width, int height, - int color_mode) -{ - u32 paddr; - int r; - - if ((unsigned)plane > dispc.mem_desc.region_cnt) - return -EINVAL; - paddr = dispc.mem_desc.region[plane].paddr + offset; - enable_lcd_clocks(1); - r = _setup_plane(plane, channel_out, paddr, - screen_width, - pos_x, pos_y, width, height, color_mode); - enable_lcd_clocks(0); - return r; -} - -static void write_firh_reg(int plane, int reg, u32 value) -{ - u32 base; - - if (plane == 1) - base = DISPC_VID1_BASE + DISPC_VID_FIR_COEF_H0; - else - base = DISPC_VID2_BASE + DISPC_VID_FIR_COEF_H0; - dispc_write_reg(base + reg * 8, value); -} - -static void write_firhv_reg(int plane, int reg, u32 value) -{ - u32 base; - - if (plane == 1) - base = DISPC_VID1_BASE + DISPC_VID_FIR_COEF_HV0; - else - base = DISPC_VID2_BASE + DISPC_VID_FIR_COEF_HV0; - dispc_write_reg(base + reg * 8, value); -} - -static void set_upsampling_coef_table(int plane) -{ - const u32 coef[][2] = { - { 0x00800000, 0x00800000 }, - { 0x0D7CF800, 0x037B02FF }, - { 0x1E70F5FF, 0x0C6F05FE }, - { 0x335FF5FE, 0x205907FB }, - { 0xF74949F7, 0x00404000 }, - { 0xF55F33FB, 0x075920FE }, - { 0xF5701EFE, 0x056F0CFF }, - { 0xF87C0DFF, 0x027B0300 }, - }; - int i; - - for (i = 0; i < 8; i++) { - write_firh_reg(plane, i, coef[i][0]); - write_firhv_reg(plane, i, coef[i][1]); - } -} - -static int omap_dispc_set_scale(int plane, - int orig_width, int orig_height, - int out_width, int out_height) -{ - const u32 at_reg[] = { 0, DISPC_VID1_BASE + DISPC_VID_ATTRIBUTES, - DISPC_VID2_BASE + DISPC_VID_ATTRIBUTES }; - const u32 vs_reg[] = { 0, DISPC_VID1_BASE + DISPC_VID_SIZE, - DISPC_VID2_BASE + DISPC_VID_SIZE }; - const u32 fir_reg[] = { 0, DISPC_VID1_BASE + DISPC_VID_FIR, - DISPC_VID2_BASE + DISPC_VID_FIR }; - - u32 l; - int fir_hinc; - int fir_vinc; - - if ((unsigned)plane > OMAPFB_PLANE_NUM) - return -ENODEV; - - if (plane == OMAPFB_PLANE_GFX && - (out_width != orig_width || out_height != orig_height)) - return -EINVAL; - - enable_lcd_clocks(1); - if (orig_width < out_width) { - /* - * Upsampling. - * Currently you can only scale both dimensions in one way. - */ - if (orig_height > out_height || - orig_width * 8 < out_width || - orig_height * 8 < out_height) { - enable_lcd_clocks(0); - return -EINVAL; - } - set_upsampling_coef_table(plane); - } else if (orig_width > out_width) { - /* Downsampling not yet supported - */ - - enable_lcd_clocks(0); - return -EINVAL; - } - if (!orig_width || orig_width == out_width) - fir_hinc = 0; - else - fir_hinc = 1024 * orig_width / out_width; - if (!orig_height || orig_height == out_height) - fir_vinc = 0; - else - fir_vinc = 1024 * orig_height / out_height; - dispc.fir_hinc[plane] = fir_hinc; - dispc.fir_vinc[plane] = fir_vinc; - - MOD_REG_FLD(fir_reg[plane], - FLD_MASK(16, 12) | FLD_MASK(0, 12), - ((fir_vinc & 4095) << 16) | - (fir_hinc & 4095)); - - dev_dbg(dispc.fbdev->dev, "out_width %d out_height %d orig_width %d " - "orig_height %d fir_hinc %d fir_vinc %d\n", - out_width, out_height, orig_width, orig_height, - fir_hinc, fir_vinc); - - MOD_REG_FLD(vs_reg[plane], - FLD_MASK(16, 11) | FLD_MASK(0, 11), - ((out_height - 1) << 16) | (out_width - 1)); - - l = dispc_read_reg(at_reg[plane]); - l &= ~(0x03 << 5); - l |= fir_hinc ? (1 << 5) : 0; - l |= fir_vinc ? (1 << 6) : 0; - dispc_write_reg(at_reg[plane], l); - - enable_lcd_clocks(0); - return 0; -} - -static int omap_dispc_enable_plane(int plane, int enable) -{ - const u32 at_reg[] = { DISPC_GFX_ATTRIBUTES, - DISPC_VID1_BASE + DISPC_VID_ATTRIBUTES, - DISPC_VID2_BASE + DISPC_VID_ATTRIBUTES }; - if ((unsigned int)plane > dispc.mem_desc.region_cnt) - return -EINVAL; - - enable_lcd_clocks(1); - MOD_REG_FLD(at_reg[plane], 1, enable ? 1 : 0); - enable_lcd_clocks(0); - - return 0; -} - -static int omap_dispc_set_color_key(struct omapfb_color_key *ck) -{ - u32 df_reg, tr_reg; - int shift, val; - - switch (ck->channel_out) { - case OMAPFB_CHANNEL_OUT_LCD: - df_reg = DISPC_DEFAULT_COLOR0; - tr_reg = DISPC_TRANS_COLOR0; - shift = 10; - break; - case OMAPFB_CHANNEL_OUT_DIGIT: - df_reg = DISPC_DEFAULT_COLOR1; - tr_reg = DISPC_TRANS_COLOR1; - shift = 12; - break; - default: - return -EINVAL; - } - switch (ck->key_type) { - case OMAPFB_COLOR_KEY_DISABLED: - val = 0; - break; - case OMAPFB_COLOR_KEY_GFX_DST: - val = 1; - break; - case OMAPFB_COLOR_KEY_VID_SRC: - val = 3; - break; - default: - return -EINVAL; - } - enable_lcd_clocks(1); - MOD_REG_FLD(DISPC_CONFIG, FLD_MASK(shift, 2), val << shift); - - if (val != 0) - dispc_write_reg(tr_reg, ck->trans_key); - dispc_write_reg(df_reg, ck->background); - enable_lcd_clocks(0); - - dispc.color_key = *ck; - - return 0; -} - -static int omap_dispc_get_color_key(struct omapfb_color_key *ck) -{ - *ck = dispc.color_key; - return 0; -} - -static void load_palette(void) -{ -} - -static int omap_dispc_set_update_mode(enum omapfb_update_mode mode) -{ - int r = 0; - - if (mode != dispc.update_mode) { - switch (mode) { - case OMAPFB_AUTO_UPDATE: - case OMAPFB_MANUAL_UPDATE: - enable_lcd_clocks(1); - omap_dispc_enable_lcd_out(1); - dispc.update_mode = mode; - break; - case OMAPFB_UPDATE_DISABLED: - init_completion(&dispc.frame_done); - omap_dispc_enable_lcd_out(0); - if (!wait_for_completion_timeout(&dispc.frame_done, - msecs_to_jiffies(500))) { - dev_err(dispc.fbdev->dev, - "timeout waiting for FRAME DONE\n"); - } - dispc.update_mode = mode; - enable_lcd_clocks(0); - break; - default: - r = -EINVAL; - } - } - - return r; -} - -static void omap_dispc_get_caps(int plane, struct omapfb_caps *caps) -{ - caps->ctrl |= OMAPFB_CAPS_PLANE_RELOCATE_MEM; - if (plane > 0) - caps->ctrl |= OMAPFB_CAPS_PLANE_SCALE; - caps->plane_color |= (1 << OMAPFB_COLOR_RGB565) | - (1 << OMAPFB_COLOR_YUV422) | - (1 << OMAPFB_COLOR_YUY422); - if (plane == 0) - caps->plane_color |= (1 << OMAPFB_COLOR_CLUT_8BPP) | - (1 << OMAPFB_COLOR_CLUT_4BPP) | - (1 << OMAPFB_COLOR_CLUT_2BPP) | - (1 << OMAPFB_COLOR_CLUT_1BPP) | - (1 << OMAPFB_COLOR_RGB444); -} - -static enum omapfb_update_mode omap_dispc_get_update_mode(void) -{ - return dispc.update_mode; -} - -static void setup_color_conv_coef(void) -{ - u32 mask = FLD_MASK(16, 11) | FLD_MASK(0, 11); - int cf1_reg = DISPC_VID1_BASE + DISPC_VID_CONV_COEF0; - int cf2_reg = DISPC_VID2_BASE + DISPC_VID_CONV_COEF0; - int at1_reg = DISPC_VID1_BASE + DISPC_VID_ATTRIBUTES; - int at2_reg = DISPC_VID2_BASE + DISPC_VID_ATTRIBUTES; - const struct color_conv_coef { - int ry, rcr, rcb, gy, gcr, gcb, by, bcr, bcb; - int full_range; - } ctbl_bt601_5 = { - 298, 409, 0, 298, -208, -100, 298, 0, 517, 0, - }; - const struct color_conv_coef *ct; -#define CVAL(x, y) (((x & 2047) << 16) | (y & 2047)) - - ct = &ctbl_bt601_5; - - MOD_REG_FLD(cf1_reg, mask, CVAL(ct->rcr, ct->ry)); - MOD_REG_FLD(cf1_reg + 4, mask, CVAL(ct->gy, ct->rcb)); - MOD_REG_FLD(cf1_reg + 8, mask, CVAL(ct->gcb, ct->gcr)); - MOD_REG_FLD(cf1_reg + 12, mask, CVAL(ct->bcr, ct->by)); - MOD_REG_FLD(cf1_reg + 16, mask, CVAL(0, ct->bcb)); - - MOD_REG_FLD(cf2_reg, mask, CVAL(ct->rcr, ct->ry)); - MOD_REG_FLD(cf2_reg + 4, mask, CVAL(ct->gy, ct->rcb)); - MOD_REG_FLD(cf2_reg + 8, mask, CVAL(ct->gcb, ct->gcr)); - MOD_REG_FLD(cf2_reg + 12, mask, CVAL(ct->bcr, ct->by)); - MOD_REG_FLD(cf2_reg + 16, mask, CVAL(0, ct->bcb)); -#undef CVAL - - MOD_REG_FLD(at1_reg, (1 << 11), ct->full_range); - MOD_REG_FLD(at2_reg, (1 << 11), ct->full_range); -} - -static void calc_ck_div(int is_tft, int pck, int *lck_div, int *pck_div) -{ - unsigned long fck, lck; - - *lck_div = 1; - pck = max(1, pck); - fck = clk_get_rate(dispc.dss1_fck); - lck = fck; - *pck_div = (lck + pck - 1) / pck; - if (is_tft) - *pck_div = max(2, *pck_div); - else - *pck_div = max(3, *pck_div); - if (*pck_div > 255) { - *pck_div = 255; - lck = pck * *pck_div; - *lck_div = fck / lck; - BUG_ON(*lck_div < 1); - if (*lck_div > 255) { - *lck_div = 255; - dev_warn(dispc.fbdev->dev, "pixclock %d kHz too low.\n", - pck / 1000); - } - } -} - -static void set_lcd_tft_mode(int enable) -{ - u32 mask; - - mask = 1 << 3; - MOD_REG_FLD(DISPC_CONTROL, mask, enable ? mask : 0); -} - -static void set_lcd_timings(void) -{ - u32 l; - int lck_div, pck_div; - struct lcd_panel *panel = dispc.fbdev->panel; - int is_tft = panel->config & OMAP_LCDC_PANEL_TFT; - unsigned long fck; - - l = dispc_read_reg(DISPC_TIMING_H); - l &= ~(FLD_MASK(0, 6) | FLD_MASK(8, 8) | FLD_MASK(20, 8)); - l |= ( max(1, (min(64, panel->hsw))) - 1 ) << 0; - l |= ( max(1, (min(256, panel->hfp))) - 1 ) << 8; - l |= ( max(1, (min(256, panel->hbp))) - 1 ) << 20; - dispc_write_reg(DISPC_TIMING_H, l); - - l = dispc_read_reg(DISPC_TIMING_V); - l &= ~(FLD_MASK(0, 6) | FLD_MASK(8, 8) | FLD_MASK(20, 8)); - l |= ( max(1, (min(64, panel->vsw))) - 1 ) << 0; - l |= ( max(0, (min(255, panel->vfp))) - 0 ) << 8; - l |= ( max(0, (min(255, panel->vbp))) - 0 ) << 20; - dispc_write_reg(DISPC_TIMING_V, l); - - l = dispc_read_reg(DISPC_POL_FREQ); - l &= ~FLD_MASK(12, 6); - l |= (panel->config & OMAP_LCDC_SIGNAL_MASK) << 12; - l |= panel->acb & 0xff; - dispc_write_reg(DISPC_POL_FREQ, l); - - calc_ck_div(is_tft, panel->pixel_clock * 1000, &lck_div, &pck_div); - - l = dispc_read_reg(DISPC_DIVISOR); - l &= ~(FLD_MASK(16, 8) | FLD_MASK(0, 8)); - l |= (lck_div << 16) | (pck_div << 0); - dispc_write_reg(DISPC_DIVISOR, l); - - /* update panel info with the exact clock */ - fck = clk_get_rate(dispc.dss1_fck); - panel->pixel_clock = fck / lck_div / pck_div / 1000; -} - -static void recalc_irq_mask(void) -{ - int i; - unsigned long irq_mask = DISPC_IRQ_MASK_ERROR; - - for (i = 0; i < MAX_IRQ_HANDLERS; i++) { - if (!dispc.irq_handlers[i].callback) - continue; - - irq_mask |= dispc.irq_handlers[i].irq_mask; - } - - enable_lcd_clocks(1); - MOD_REG_FLD(DISPC_IRQENABLE, 0x7fff, irq_mask); - enable_lcd_clocks(0); -} - -int omap_dispc_request_irq(unsigned long irq_mask, void (*callback)(void *data), - void *data) -{ - int i; - - BUG_ON(callback == NULL); - - for (i = 0; i < MAX_IRQ_HANDLERS; i++) { - if (dispc.irq_handlers[i].callback) - continue; - - dispc.irq_handlers[i].irq_mask = irq_mask; - dispc.irq_handlers[i].callback = callback; - dispc.irq_handlers[i].data = data; - recalc_irq_mask(); - - return 0; - } - - return -EBUSY; -} -EXPORT_SYMBOL(omap_dispc_request_irq); - -void omap_dispc_free_irq(unsigned long irq_mask, void (*callback)(void *data), - void *data) -{ - int i; - - for (i = 0; i < MAX_IRQ_HANDLERS; i++) { - if (dispc.irq_handlers[i].callback == callback && - dispc.irq_handlers[i].data == data) { - dispc.irq_handlers[i].irq_mask = 0; - dispc.irq_handlers[i].callback = NULL; - dispc.irq_handlers[i].data = NULL; - recalc_irq_mask(); - return; - } - } - - BUG(); -} -EXPORT_SYMBOL(omap_dispc_free_irq); - -static irqreturn_t omap_dispc_irq_handler(int irq, void *dev) -{ - u32 stat; - int i = 0; - - enable_lcd_clocks(1); - - stat = dispc_read_reg(DISPC_IRQSTATUS); - if (stat & DISPC_IRQ_FRAMEMASK) - complete(&dispc.frame_done); - - if (stat & DISPC_IRQ_MASK_ERROR) { - if (printk_ratelimit()) { - dev_err(dispc.fbdev->dev, "irq error status %04x\n", - stat & 0x7fff); - } - } - - for (i = 0; i < MAX_IRQ_HANDLERS; i++) { - if (unlikely(dispc.irq_handlers[i].callback && - (stat & dispc.irq_handlers[i].irq_mask))) - dispc.irq_handlers[i].callback( - dispc.irq_handlers[i].data); - } - - dispc_write_reg(DISPC_IRQSTATUS, stat); - - enable_lcd_clocks(0); - - return IRQ_HANDLED; -} - -static int get_dss_clocks(void) -{ - dispc.dss_ick = clk_get(&dispc.fbdev->dssdev->dev, "ick"); - if (IS_ERR(dispc.dss_ick)) { - dev_err(dispc.fbdev->dev, "can't get ick\n"); - return PTR_ERR(dispc.dss_ick); - } - - dispc.dss1_fck = clk_get(&dispc.fbdev->dssdev->dev, "fck"); - if (IS_ERR(dispc.dss1_fck)) { - dev_err(dispc.fbdev->dev, "can't get dss1_fck\n"); - clk_put(dispc.dss_ick); - return PTR_ERR(dispc.dss1_fck); - } - - dispc.dss_54m_fck = clk_get(&dispc.fbdev->dssdev->dev, "tv_clk"); - if (IS_ERR(dispc.dss_54m_fck)) { - dev_err(dispc.fbdev->dev, "can't get tv_fck\n"); - clk_put(dispc.dss_ick); - clk_put(dispc.dss1_fck); - return PTR_ERR(dispc.dss_54m_fck); - } - - return 0; -} - -static void put_dss_clocks(void) -{ - clk_put(dispc.dss_54m_fck); - clk_put(dispc.dss1_fck); - clk_put(dispc.dss_ick); -} - -static void enable_lcd_clocks(int enable) -{ - if (enable) { - clk_enable(dispc.dss_ick); - clk_enable(dispc.dss1_fck); - } else { - clk_disable(dispc.dss1_fck); - clk_disable(dispc.dss_ick); - } -} - -static void enable_digit_clocks(int enable) -{ - if (enable) - clk_enable(dispc.dss_54m_fck); - else - clk_disable(dispc.dss_54m_fck); -} - -static void omap_dispc_suspend(void) -{ - if (dispc.update_mode == OMAPFB_AUTO_UPDATE) { - init_completion(&dispc.frame_done); - omap_dispc_enable_lcd_out(0); - if (!wait_for_completion_timeout(&dispc.frame_done, - msecs_to_jiffies(500))) { - dev_err(dispc.fbdev->dev, - "timeout waiting for FRAME DONE\n"); - } - enable_lcd_clocks(0); - } -} - -static void omap_dispc_resume(void) -{ - if (dispc.update_mode == OMAPFB_AUTO_UPDATE) { - enable_lcd_clocks(1); - if (!dispc.ext_mode) { - set_lcd_timings(); - load_palette(); - } - omap_dispc_enable_lcd_out(1); - } -} - - -static int omap_dispc_update_window(struct fb_info *fbi, - struct omapfb_update_window *win, - void (*complete_callback)(void *arg), - void *complete_callback_data) -{ - return dispc.update_mode == OMAPFB_UPDATE_DISABLED ? -ENODEV : 0; -} - -static int mmap_kern(struct omapfb_mem_region *region) -{ - struct vm_struct *kvma; - struct vm_area_struct vma; - pgprot_t pgprot; - unsigned long vaddr; - - kvma = get_vm_area(region->size, VM_IOREMAP); - if (kvma == NULL) { - dev_err(dispc.fbdev->dev, "can't get kernel vm area\n"); - return -ENOMEM; - } - vma.vm_mm = &init_mm; - - vaddr = (unsigned long)kvma->addr; - - pgprot = pgprot_writecombine(pgprot_kernel); - vma.vm_start = vaddr; - vma.vm_end = vaddr + region->size; - if (io_remap_pfn_range(&vma, vaddr, region->paddr >> PAGE_SHIFT, - region->size, pgprot) < 0) { - dev_err(dispc.fbdev->dev, "kernel mmap for FBMEM failed\n"); - return -EAGAIN; - } - region->vaddr = (void *)vaddr; - - return 0; -} - -static void mmap_user_open(struct vm_area_struct *vma) -{ - int plane = (int)vma->vm_private_data; - - atomic_inc(&dispc.map_count[plane]); -} - -static void mmap_user_close(struct vm_area_struct *vma) -{ - int plane = (int)vma->vm_private_data; - - atomic_dec(&dispc.map_count[plane]); -} - -static const struct vm_operations_struct mmap_user_ops = { - .open = mmap_user_open, - .close = mmap_user_close, -}; - -static int omap_dispc_mmap_user(struct fb_info *info, - struct vm_area_struct *vma) -{ - struct omapfb_plane_struct *plane = info->par; - unsigned long off; - unsigned long start; - u32 len; - - if (vma->vm_end - vma->vm_start == 0) - return 0; - if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) - return -EINVAL; - off = vma->vm_pgoff << PAGE_SHIFT; - - start = info->fix.smem_start; - len = info->fix.smem_len; - if (off >= len) - return -EINVAL; - if ((vma->vm_end - vma->vm_start + off) > len) - return -EINVAL; - off += start; - vma->vm_pgoff = off >> PAGE_SHIFT; - vma->vm_flags |= VM_IO | VM_RESERVED; - vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); - vma->vm_ops = &mmap_user_ops; - vma->vm_private_data = (void *)plane->idx; - if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT, - vma->vm_end - vma->vm_start, vma->vm_page_prot)) - return -EAGAIN; - /* vm_ops.open won't be called for mmap itself. */ - atomic_inc(&dispc.map_count[plane->idx]); - return 0; -} - -static void unmap_kern(struct omapfb_mem_region *region) -{ - vunmap(region->vaddr); -} - -static int alloc_palette_ram(void) -{ - dispc.palette_vaddr = dma_alloc_writecombine(dispc.fbdev->dev, - MAX_PALETTE_SIZE, &dispc.palette_paddr, GFP_KERNEL); - if (dispc.palette_vaddr == NULL) { - dev_err(dispc.fbdev->dev, "failed to alloc palette memory\n"); - return -ENOMEM; - } - - return 0; -} - -static void free_palette_ram(void) -{ - dma_free_writecombine(dispc.fbdev->dev, MAX_PALETTE_SIZE, - dispc.palette_vaddr, dispc.palette_paddr); -} - -static int alloc_fbmem(struct omapfb_mem_region *region) -{ - region->vaddr = dma_alloc_writecombine(dispc.fbdev->dev, - region->size, ®ion->paddr, GFP_KERNEL); - - if (region->vaddr == NULL) { - dev_err(dispc.fbdev->dev, "unable to allocate FB DMA memory\n"); - return -ENOMEM; - } - - return 0; -} - -static void free_fbmem(struct omapfb_mem_region *region) -{ - dma_free_writecombine(dispc.fbdev->dev, region->size, - region->vaddr, region->paddr); -} - -static struct resmap *init_resmap(unsigned long start, size_t size) -{ - unsigned page_cnt; - struct resmap *res_map; - - page_cnt = PAGE_ALIGN(size) / PAGE_SIZE; - res_map = - kzalloc(sizeof(struct resmap) + RESMAP_SIZE(page_cnt), GFP_KERNEL); - if (res_map == NULL) - return NULL; - res_map->start = start; - res_map->page_cnt = page_cnt; - res_map->map = (unsigned long *)(res_map + 1); - return res_map; -} - -static void cleanup_resmap(struct resmap *res_map) -{ - kfree(res_map); -} - -static inline int resmap_mem_type(unsigned long start) -{ - if (start >= OMAP2_SRAM_START && - start < OMAP2_SRAM_START + OMAP2_SRAM_SIZE) - return OMAPFB_MEMTYPE_SRAM; - else - return OMAPFB_MEMTYPE_SDRAM; -} - -static inline int resmap_page_reserved(struct resmap *res_map, unsigned page_nr) -{ - return *RESMAP_PTR(res_map, page_nr) & RESMAP_MASK(page_nr) ? 1 : 0; -} - -static inline void resmap_reserve_page(struct resmap *res_map, unsigned page_nr) -{ - BUG_ON(resmap_page_reserved(res_map, page_nr)); - *RESMAP_PTR(res_map, page_nr) |= RESMAP_MASK(page_nr); -} - -static inline void resmap_free_page(struct resmap *res_map, unsigned page_nr) -{ - BUG_ON(!resmap_page_reserved(res_map, page_nr)); - *RESMAP_PTR(res_map, page_nr) &= ~RESMAP_MASK(page_nr); -} - -static void resmap_reserve_region(unsigned long start, size_t size) -{ - - struct resmap *res_map; - unsigned start_page; - unsigned end_page; - int mtype; - unsigned i; - - mtype = resmap_mem_type(start); - res_map = dispc.res_map[mtype]; - dev_dbg(dispc.fbdev->dev, "reserve mem type %d start %08lx size %d\n", - mtype, start, size); - start_page = (start - res_map->start) / PAGE_SIZE; - end_page = start_page + PAGE_ALIGN(size) / PAGE_SIZE; - for (i = start_page; i < end_page; i++) - resmap_reserve_page(res_map, i); -} - -static void resmap_free_region(unsigned long start, size_t size) -{ - struct resmap *res_map; - unsigned start_page; - unsigned end_page; - unsigned i; - int mtype; - - mtype = resmap_mem_type(start); - res_map = dispc.res_map[mtype]; - dev_dbg(dispc.fbdev->dev, "free mem type %d start %08lx size %d\n", - mtype, start, size); - start_page = (start - res_map->start) / PAGE_SIZE; - end_page = start_page + PAGE_ALIGN(size) / PAGE_SIZE; - for (i = start_page; i < end_page; i++) - resmap_free_page(res_map, i); -} - -static unsigned long resmap_alloc_region(int mtype, size_t size) -{ - unsigned i; - unsigned total; - unsigned start_page; - unsigned long start; - struct resmap *res_map = dispc.res_map[mtype]; - - BUG_ON(mtype >= DISPC_MEMTYPE_NUM || res_map == NULL || !size); - - size = PAGE_ALIGN(size) / PAGE_SIZE; - start_page = 0; - total = 0; - for (i = 0; i < res_map->page_cnt; i++) { - if (resmap_page_reserved(res_map, i)) { - start_page = i + 1; - total = 0; - } else if (++total == size) - break; - } - if (total < size) - return 0; - - start = res_map->start + start_page * PAGE_SIZE; - resmap_reserve_region(start, size * PAGE_SIZE); - - return start; -} - -/* Note that this will only work for user mappings, we don't deal with - * kernel mappings here, so fbcon will keep using the old region. - */ -static int omap_dispc_setup_mem(int plane, size_t size, int mem_type, - unsigned long *paddr) -{ - struct omapfb_mem_region *rg; - unsigned long new_addr = 0; - - if ((unsigned)plane > dispc.mem_desc.region_cnt) - return -EINVAL; - if (mem_type >= DISPC_MEMTYPE_NUM) - return -EINVAL; - if (dispc.res_map[mem_type] == NULL) - return -ENOMEM; - rg = &dispc.mem_desc.region[plane]; - if (size == rg->size && mem_type == rg->type) - return 0; - if (atomic_read(&dispc.map_count[plane])) - return -EBUSY; - if (rg->size != 0) - resmap_free_region(rg->paddr, rg->size); - if (size != 0) { - new_addr = resmap_alloc_region(mem_type, size); - if (!new_addr) { - /* Reallocate old region. */ - resmap_reserve_region(rg->paddr, rg->size); - return -ENOMEM; - } - } - rg->paddr = new_addr; - rg->size = size; - rg->type = mem_type; - - *paddr = new_addr; - - return 0; -} - -static int setup_fbmem(struct omapfb_mem_desc *req_md) -{ - struct omapfb_mem_region *rg; - int i; - int r; - unsigned long mem_start[DISPC_MEMTYPE_NUM]; - unsigned long mem_end[DISPC_MEMTYPE_NUM]; - - if (!req_md->region_cnt) { - dev_err(dispc.fbdev->dev, "no memory regions defined\n"); - return -ENOENT; - } - - rg = &req_md->region[0]; - memset(mem_start, 0xff, sizeof(mem_start)); - memset(mem_end, 0, sizeof(mem_end)); - - for (i = 0; i < req_md->region_cnt; i++, rg++) { - int mtype; - if (rg->paddr) { - rg->alloc = 0; - if (rg->vaddr == NULL) { - rg->map = 1; - if ((r = mmap_kern(rg)) < 0) - return r; - } - } else { - if (rg->type != OMAPFB_MEMTYPE_SDRAM) { - dev_err(dispc.fbdev->dev, - "unsupported memory type\n"); - return -EINVAL; - } - rg->alloc = rg->map = 1; - if ((r = alloc_fbmem(rg)) < 0) - return r; - } - mtype = rg->type; - - if (rg->paddr < mem_start[mtype]) - mem_start[mtype] = rg->paddr; - if (rg->paddr + rg->size > mem_end[mtype]) - mem_end[mtype] = rg->paddr + rg->size; - } - - for (i = 0; i < DISPC_MEMTYPE_NUM; i++) { - unsigned long start; - size_t size; - if (mem_end[i] == 0) - continue; - start = mem_start[i]; - size = mem_end[i] - start; - dispc.res_map[i] = init_resmap(start, size); - r = -ENOMEM; - if (dispc.res_map[i] == NULL) - goto fail; - /* Initial state is that everything is reserved. This - * includes possible holes as well, which will never be - * freed. - */ - resmap_reserve_region(start, size); - } - - dispc.mem_desc = *req_md; - - return 0; -fail: - for (i = 0; i < DISPC_MEMTYPE_NUM; i++) { - if (dispc.res_map[i] != NULL) - cleanup_resmap(dispc.res_map[i]); - } - return r; -} - -static void cleanup_fbmem(void) -{ - struct omapfb_mem_region *rg; - int i; - - for (i = 0; i < DISPC_MEMTYPE_NUM; i++) { - if (dispc.res_map[i] != NULL) - cleanup_resmap(dispc.res_map[i]); - } - rg = &dispc.mem_desc.region[0]; - for (i = 0; i < dispc.mem_desc.region_cnt; i++, rg++) { - if (rg->alloc) - free_fbmem(rg); - else { - if (rg->map) - unmap_kern(rg); - } - } -} - -static int omap_dispc_init(struct omapfb_device *fbdev, int ext_mode, - struct omapfb_mem_desc *req_vram) -{ - int r; - u32 l; - struct lcd_panel *panel = fbdev->panel; - void __iomem *ram_fw_base; - int tmo = 10000; - int skip_init = 0; - int i; - - memset(&dispc, 0, sizeof(dispc)); - - dispc.base = ioremap(DISPC_BASE, SZ_1K); - if (!dispc.base) { - dev_err(fbdev->dev, "can't ioremap DISPC\n"); - return -ENOMEM; - } - - dispc.fbdev = fbdev; - dispc.ext_mode = ext_mode; - - init_completion(&dispc.frame_done); - - if ((r = get_dss_clocks()) < 0) - goto fail0; - - enable_lcd_clocks(1); - -#ifdef CONFIG_FB_OMAP_BOOTLOADER_INIT - l = dispc_read_reg(DISPC_CONTROL); - /* LCD enabled ? */ - if (l & 1) { - pr_info("omapfb: skipping hardware initialization\n"); - skip_init = 1; - } -#endif - - if (!skip_init) { - /* Reset monitoring works only w/ the 54M clk */ - enable_digit_clocks(1); - - /* Soft reset */ - MOD_REG_FLD(DISPC_SYSCONFIG, 1 << 1, 1 << 1); - - while (!(dispc_read_reg(DISPC_SYSSTATUS) & 1)) { - if (!--tmo) { - dev_err(dispc.fbdev->dev, "soft reset failed\n"); - r = -ENODEV; - enable_digit_clocks(0); - goto fail1; - } - } - - enable_digit_clocks(0); - } - - /* Enable smart standby/idle, autoidle and wakeup */ - l = dispc_read_reg(DISPC_SYSCONFIG); - l &= ~((3 << 12) | (3 << 3)); - l |= (2 << 12) | (2 << 3) | (1 << 2) | (1 << 0); - dispc_write_reg(DISPC_SYSCONFIG, l); - omap_writel(1 << 0, DSS_BASE + DSS_SYSCONFIG); - - /* Set functional clock autogating */ - l = dispc_read_reg(DISPC_CONFIG); - l |= 1 << 9; - dispc_write_reg(DISPC_CONFIG, l); - - l = dispc_read_reg(DISPC_IRQSTATUS); - dispc_write_reg(DISPC_IRQSTATUS, l); - - recalc_irq_mask(); - - if ((r = request_irq(INT_24XX_DSS_IRQ, omap_dispc_irq_handler, - 0, MODULE_NAME, fbdev)) < 0) { - dev_err(dispc.fbdev->dev, "can't get DSS IRQ\n"); - goto fail1; - } - - /* L3 firewall setting: enable access to OCM RAM */ - ram_fw_base = ioremap(0x68005000, SZ_1K); - if (!ram_fw_base) { - dev_err(dispc.fbdev->dev, "Cannot ioremap to enable OCM RAM\n"); - goto fail1; - } - __raw_writel(0x402000b0, ram_fw_base + 0xa0); - iounmap(ram_fw_base); - - if ((r = alloc_palette_ram()) < 0) - goto fail2; - - if ((r = setup_fbmem(req_vram)) < 0) - goto fail3; - - if (!skip_init) { - for (i = 0; i < dispc.mem_desc.region_cnt; i++) { - memset(dispc.mem_desc.region[i].vaddr, 0, - dispc.mem_desc.region[i].size); - } - - /* Set logic clock to fck, pixel clock to fck/2 for now */ - MOD_REG_FLD(DISPC_DIVISOR, FLD_MASK(16, 8), 1 << 16); - MOD_REG_FLD(DISPC_DIVISOR, FLD_MASK(0, 8), 2 << 0); - - setup_plane_fifo(0, ext_mode); - setup_plane_fifo(1, ext_mode); - setup_plane_fifo(2, ext_mode); - - setup_color_conv_coef(); - - set_lcd_tft_mode(panel->config & OMAP_LCDC_PANEL_TFT); - set_load_mode(DISPC_LOAD_FRAME_ONLY); - - if (!ext_mode) { - set_lcd_data_lines(panel->data_lines); - omap_dispc_set_lcd_size(panel->x_res, panel->y_res); - set_lcd_timings(); - } else - set_lcd_data_lines(panel->bpp); - enable_rfbi_mode(ext_mode); - } - - l = dispc_read_reg(DISPC_REVISION); - pr_info("omapfb: DISPC version %d.%d initialized\n", - l >> 4 & 0x0f, l & 0x0f); - enable_lcd_clocks(0); - - return 0; -fail3: - free_palette_ram(); -fail2: - free_irq(INT_24XX_DSS_IRQ, fbdev); -fail1: - enable_lcd_clocks(0); - put_dss_clocks(); -fail0: - iounmap(dispc.base); - return r; -} - -static void omap_dispc_cleanup(void) -{ - int i; - - omap_dispc_set_update_mode(OMAPFB_UPDATE_DISABLED); - /* This will also disable clocks that are on */ - for (i = 0; i < dispc.mem_desc.region_cnt; i++) - omap_dispc_enable_plane(i, 0); - cleanup_fbmem(); - free_palette_ram(); - free_irq(INT_24XX_DSS_IRQ, dispc.fbdev); - put_dss_clocks(); - iounmap(dispc.base); -} - -const struct lcd_ctrl omap2_int_ctrl = { - .name = "internal", - .init = omap_dispc_init, - .cleanup = omap_dispc_cleanup, - .get_caps = omap_dispc_get_caps, - .set_update_mode = omap_dispc_set_update_mode, - .get_update_mode = omap_dispc_get_update_mode, - .update_window = omap_dispc_update_window, - .suspend = omap_dispc_suspend, - .resume = omap_dispc_resume, - .setup_plane = omap_dispc_setup_plane, - .setup_mem = omap_dispc_setup_mem, - .set_scale = omap_dispc_set_scale, - .enable_plane = omap_dispc_enable_plane, - .set_color_key = omap_dispc_set_color_key, - .get_color_key = omap_dispc_get_color_key, - .mmap = omap_dispc_mmap_user, -}; diff --git a/drivers/video/omap/dispc.h b/drivers/video/omap/dispc.h deleted file mode 100644 index c15ea77..0000000 --- a/drivers/video/omap/dispc.h +++ /dev/null @@ -1,46 +0,0 @@ -#ifndef _DISPC_H -#define _DISPC_H - -#include <linux/interrupt.h> - -#define DISPC_PLANE_GFX 0 -#define DISPC_PLANE_VID1 1 -#define DISPC_PLANE_VID2 2 - -#define DISPC_RGB_1_BPP 0x00 -#define DISPC_RGB_2_BPP 0x01 -#define DISPC_RGB_4_BPP 0x02 -#define DISPC_RGB_8_BPP 0x03 -#define DISPC_RGB_12_BPP 0x04 -#define DISPC_RGB_16_BPP 0x06 -#define DISPC_RGB_24_BPP 0x08 -#define DISPC_RGB_24_BPP_UNPACK_32 0x09 -#define DISPC_YUV2_422 0x0a -#define DISPC_UYVY_422 0x0b - -#define DISPC_BURST_4x32 0 -#define DISPC_BURST_8x32 1 -#define DISPC_BURST_16x32 2 - -#define DISPC_LOAD_CLUT_AND_FRAME 0x00 -#define DISPC_LOAD_CLUT_ONLY 0x01 -#define DISPC_LOAD_FRAME_ONLY 0x02 -#define DISPC_LOAD_CLUT_ONCE_FRAME 0x03 - -#define DISPC_TFT_DATA_LINES_12 0 -#define DISPC_TFT_DATA_LINES_16 1 -#define DISPC_TFT_DATA_LINES_18 2 -#define DISPC_TFT_DATA_LINES_24 3 - -extern void omap_dispc_set_lcd_size(int width, int height); - -extern void omap_dispc_enable_lcd_out(int enable); -extern void omap_dispc_enable_digit_out(int enable); - -extern int omap_dispc_request_irq(unsigned long irq_mask, - void (*callback)(void *data), void *data); -extern void omap_dispc_free_irq(unsigned long irq_mask, - void (*callback)(void *data), void *data); - -extern const struct lcd_ctrl omap2_int_ctrl; -#endif diff --git a/drivers/video/omap/hwa742.c b/drivers/video/omap/hwa742.c index 084aa0a..9f1d23c 100644 --- a/drivers/video/omap/hwa742.c +++ b/drivers/video/omap/hwa742.c @@ -28,7 +28,6 @@ #include <linux/interrupt.h> #include <plat/dma.h> -#include <plat/hwa742.h> #include "omapfb.h" #define HWA742_REV_CODE_REG 0x0 @@ -942,7 +941,6 @@ static int hwa742_init(struct omapfb_device *fbdev, int ext_mode, unsigned long sys_clk, pix_clk; int extif_mem_div; struct omapfb_platform_data *omapfb_conf; - struct hwa742_platform_data *ctrl_conf; BUG_ON(!fbdev->ext_if || !fbdev->int_ctrl); @@ -951,13 +949,6 @@ static int hwa742_init(struct omapfb_device *fbdev, int ext_mode, hwa742.int_ctrl = fbdev->int_ctrl; omapfb_conf = fbdev->dev->platform_data; - ctrl_conf = omapfb_conf->ctrl_platform_data; - - if (ctrl_conf == NULL) { - dev_err(fbdev->dev, "HWA742: missing platform data\n"); - r = -ENOENT; - goto err1; - } hwa742.sys_ck = clk_get(NULL, "hwa_sys_ck"); @@ -995,14 +986,12 @@ static int hwa742_init(struct omapfb_device *fbdev, int ext_mode, goto err4; } - if (ctrl_conf->te_connected) { - if ((r = setup_tearsync(pix_clk, extif_mem_div)) < 0) { - dev_err(hwa742.fbdev->dev, - "HWA742: can't setup tearing synchronization\n"); - goto err4; - } - hwa742.te_connected = 1; + if ((r = setup_tearsync(pix_clk, extif_mem_div)) < 0) { + dev_err(hwa742.fbdev->dev, + "HWA742: can't setup tearing synchronization\n"); + goto err4; } + hwa742.te_connected = 1; hwa742.max_transmit_size = hwa742.extif->max_transmit_size; diff --git a/drivers/video/omap/lcd_ams_delta.c b/drivers/video/omap/lcd_ams_delta.c index 0fdd6f6..d3a3113 100644 --- a/drivers/video/omap/lcd_ams_delta.c +++ b/drivers/video/omap/lcd_ams_delta.c @@ -25,6 +25,7 @@ #include <linux/io.h> #include <linux/delay.h> #include <linux/lcd.h> +#include <linux/gpio.h> #include <plat/board-ams-delta.h> #include <mach/hardware.h> @@ -98,29 +99,41 @@ static struct lcd_ops ams_delta_lcd_ops = { /* omapfb panel section */ +static const struct gpio _gpios[] = { + { + .gpio = AMS_DELTA_GPIO_PIN_LCD_VBLEN, + .flags = GPIOF_OUT_INIT_LOW, + .label = "lcd_vblen", + }, + { + .gpio = AMS_DELTA_GPIO_PIN_LCD_NDISP, + .flags = GPIOF_OUT_INIT_LOW, + .label = "lcd_ndisp", + }, +}; + static int ams_delta_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev) { - return 0; + return gpio_request_array(_gpios, ARRAY_SIZE(_gpios)); } static void ams_delta_panel_cleanup(struct lcd_panel *panel) { + gpio_free_array(_gpios, ARRAY_SIZE(_gpios)); } static int ams_delta_panel_enable(struct lcd_panel *panel) { - ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_NDISP, - AMS_DELTA_LATCH2_LCD_NDISP); - ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_VBLEN, - AMS_DELTA_LATCH2_LCD_VBLEN); + gpio_set_value(AMS_DELTA_GPIO_PIN_LCD_NDISP, 1); + gpio_set_value(AMS_DELTA_GPIO_PIN_LCD_VBLEN, 1); return 0; } static void ams_delta_panel_disable(struct lcd_panel *panel) { - ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_VBLEN, 0); - ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_NDISP, 0); + gpio_set_value(AMS_DELTA_GPIO_PIN_LCD_VBLEN, 0); + gpio_set_value(AMS_DELTA_GPIO_PIN_LCD_NDISP, 0); } static unsigned long ams_delta_panel_get_caps(struct lcd_panel *panel) diff --git a/drivers/video/omap/lcd_inn1610.c b/drivers/video/omap/lcd_inn1610.c index 7e8bd8e..e3d3d13 100644 --- a/drivers/video/omap/lcd_inn1610.c +++ b/drivers/video/omap/lcd_inn1610.c @@ -22,7 +22,7 @@ #include <linux/module.h> #include <linux/platform_device.h> -#include <asm/gpio.h> +#include <linux/gpio.h> #include "omapfb.h" #define MODULE_NAME "omapfb-lcd_h3" @@ -32,20 +32,18 @@ static int innovator1610_panel_init(struct lcd_panel *panel, { int r = 0; - if (gpio_request(14, "lcd_en0")) { + /* configure GPIO(14, 15) as outputs */ + if (gpio_request_one(14, GPIOF_OUT_INIT_LOW, "lcd_en0")) { pr_err(MODULE_NAME ": can't request GPIO 14\n"); r = -1; goto exit; } - if (gpio_request(15, "lcd_en1")) { + if (gpio_request_one(15, GPIOF_OUT_INIT_LOW, "lcd_en1")) { pr_err(MODULE_NAME ": can't request GPIO 15\n"); gpio_free(14); r = -1; goto exit; } - /* configure GPIO(14, 15) as outputs */ - gpio_direction_output(14, 0); - gpio_direction_output(15, 0); exit: return r; } diff --git a/drivers/video/omap/lcd_mipid.c b/drivers/video/omap/lcd_mipid.c index 8d546dd..e3880c4 100644 --- a/drivers/video/omap/lcd_mipid.c +++ b/drivers/video/omap/lcd_mipid.c @@ -609,19 +609,7 @@ static struct spi_driver mipid_spi_driver = { .remove = __devexit_p(mipid_spi_remove), }; -static int __init mipid_drv_init(void) -{ - spi_register_driver(&mipid_spi_driver); - - return 0; -} -module_init(mipid_drv_init); - -static void __exit mipid_drv_cleanup(void) -{ - spi_unregister_driver(&mipid_spi_driver); -} -module_exit(mipid_drv_cleanup); +module_spi_driver(mipid_spi_driver); MODULE_DESCRIPTION("MIPI display driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/video/omap/omapfb.h b/drivers/video/omap/omapfb.h index af3c9e5..2921d20 100644 --- a/drivers/video/omap/omapfb.h +++ b/drivers/video/omap/omapfb.h @@ -47,6 +47,27 @@ struct omapfb_device; +#define OMAPFB_PLANE_NUM 1 + +struct omapfb_mem_region { + u32 paddr; + void __iomem *vaddr; + unsigned long size; + u8 type; /* OMAPFB_PLANE_MEM_* */ + enum omapfb_color_format format;/* OMAPFB_COLOR_* */ + unsigned format_used:1; /* Must be set when format is set. + * Needed b/c of the badly chosen 0 + * base for OMAPFB_COLOR_* values + */ + unsigned alloc:1; /* allocated by the driver */ + unsigned map:1; /* kernel mapped by the driver */ +}; + +struct omapfb_mem_desc { + int region_cnt; + struct omapfb_mem_region region[OMAPFB_PLANE_NUM]; +}; + struct lcd_panel { const char *name; int config; /* TFT/STN, signal inversion */ @@ -207,11 +228,7 @@ struct omapfb_device { struct platform_device *dssdev; /* dummy dev for clocks */ }; -#ifdef CONFIG_ARCH_OMAP1 extern struct lcd_ctrl omap1_lcd_ctrl; -#else -extern struct lcd_ctrl omap2_disp_ctrl; -#endif extern void omapfb_register_panel(struct lcd_panel *panel); extern void omapfb_write_first_pixel(struct omapfb_device *fbdev, u16 pixval); diff --git a/drivers/video/omap/omapfb_main.c b/drivers/video/omap/omapfb_main.c index b291bfa..f54b463 100644 --- a/drivers/video/omap/omapfb_main.c +++ b/drivers/video/omap/omapfb_main.c @@ -34,7 +34,6 @@ #include "omapfb.h" #include "lcdc.h" -#include "dispc.h" #define MODULE_NAME "omapfb" @@ -104,29 +103,17 @@ static struct platform_device omapdss_device = { * --------------------------------------------------------------------------- */ extern struct lcd_ctrl hwa742_ctrl; -extern struct lcd_ctrl blizzard_ctrl; static const struct lcd_ctrl *ctrls[] = { -#ifdef CONFIG_ARCH_OMAP1 &omap1_int_ctrl, -#else - &omap2_int_ctrl, -#endif #ifdef CONFIG_FB_OMAP_LCDC_HWA742 &hwa742_ctrl, #endif -#ifdef CONFIG_FB_OMAP_LCDC_BLIZZARD - &blizzard_ctrl, -#endif }; #ifdef CONFIG_FB_OMAP_LCDC_EXTERNAL -#ifdef CONFIG_ARCH_OMAP1 extern struct lcd_ctrl_extif omap1_ext_if; -#else -extern struct lcd_ctrl_extif omap2_ext_if; -#endif #endif static void omapfb_rqueue_lock(struct omapfb_device *fbdev) @@ -170,11 +157,6 @@ static int ctrl_init(struct omapfb_device *fbdev) fbdev->mem_desc.region[i].size = PAGE_ALIGN(def_vram[i]); fbdev->mem_desc.region_cnt = i; - } else { - struct omapfb_platform_data *conf; - - conf = fbdev->dev->platform_data; - fbdev->mem_desc = conf->mem_desc; } if (!fbdev->mem_desc.region_cnt) { @@ -880,7 +862,7 @@ static int omapfb_setup_mem(struct fb_info *fbi, struct omapfb_mem_info *mi) if (fbdev->ctrl->setup_mem == NULL) return -ENODEV; - if (mi->type > OMAPFB_MEMTYPE_MAX) + if (mi->type != OMAPFB_MEMTYPE_SDRAM) return -EINVAL; size = PAGE_ALIGN(mi->size); @@ -1721,17 +1703,10 @@ static int omapfb_do_probe(struct platform_device *pdev, mutex_init(&fbdev->rqueue_mutex); -#ifdef CONFIG_ARCH_OMAP1 fbdev->int_ctrl = &omap1_int_ctrl; #ifdef CONFIG_FB_OMAP_LCDC_EXTERNAL fbdev->ext_if = &omap1_ext_if; #endif -#else /* OMAP2 */ - fbdev->int_ctrl = &omap2_int_ctrl; -#ifdef CONFIG_FB_OMAP_LCDC_EXTERNAL - fbdev->ext_if = &omap2_ext_if; -#endif -#endif if (omapfb_find_ctrl(fbdev) < 0) { dev_err(fbdev->dev, "LCD controller not found, board not supported\n"); @@ -1766,8 +1741,7 @@ static int omapfb_do_probe(struct platform_device *pdev, #ifdef CONFIG_FB_OMAP_DMA_TUNE /* Set DMA priority for EMIFF access to highest */ - if (cpu_class_is_omap1()) - omap_set_dma_priority(0, OMAP_DMA_PORT_EMIFF, 15); + omap_set_dma_priority(0, OMAP_DMA_PORT_EMIFF, 15); #endif r = ctrl_change_mode(fbdev->fb_info[0]); diff --git a/drivers/video/omap/rfbi.c b/drivers/video/omap/rfbi.c deleted file mode 100644 index 2c1a340..0000000 --- a/drivers/video/omap/rfbi.c +++ /dev/null @@ -1,598 +0,0 @@ -/* - * OMAP2 Remote Frame Buffer Interface support - * - * Copyright (C) 2005 Nokia Corporation - * Author: Juha Yrjölä <juha.yrjola@nokia.com> - * Imre Deak <imre.deak@nokia.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ -#include <linux/module.h> -#include <linux/delay.h> -#include <linux/i2c.h> -#include <linux/err.h> -#include <linux/interrupt.h> -#include <linux/clk.h> -#include <linux/io.h> -#include <linux/platform_device.h> - -#include "omapfb.h" -#include "dispc.h" - -/* To work around an RFBI transfer rate limitation */ -#define OMAP_RFBI_RATE_LIMIT 1 - -#define RFBI_BASE 0x48050800 -#define RFBI_REVISION 0x0000 -#define RFBI_SYSCONFIG 0x0010 -#define RFBI_SYSSTATUS 0x0014 -#define RFBI_CONTROL 0x0040 -#define RFBI_PIXEL_CNT 0x0044 -#define RFBI_LINE_NUMBER 0x0048 -#define RFBI_CMD 0x004c -#define RFBI_PARAM 0x0050 -#define RFBI_DATA 0x0054 -#define RFBI_READ 0x0058 -#define RFBI_STATUS 0x005c -#define RFBI_CONFIG0 0x0060 -#define RFBI_ONOFF_TIME0 0x0064 -#define RFBI_CYCLE_TIME0 0x0068 -#define RFBI_DATA_CYCLE1_0 0x006c -#define RFBI_DATA_CYCLE2_0 0x0070 -#define RFBI_DATA_CYCLE3_0 0x0074 -#define RFBI_VSYNC_WIDTH 0x0090 -#define RFBI_HSYNC_WIDTH 0x0094 - -#define DISPC_BASE 0x48050400 -#define DISPC_CONTROL 0x0040 -#define DISPC_IRQ_FRAMEMASK 0x0001 - -static struct { - void __iomem *base; - void (*lcdc_callback)(void *data); - void *lcdc_callback_data; - unsigned long l4_khz; - int bits_per_cycle; - struct omapfb_device *fbdev; - struct clk *dss_ick; - struct clk *dss1_fck; - unsigned tearsync_pin_cnt; - unsigned tearsync_mode; -} rfbi; - -static inline void rfbi_write_reg(int idx, u32 val) -{ - __raw_writel(val, rfbi.base + idx); -} - -static inline u32 rfbi_read_reg(int idx) -{ - return __raw_readl(rfbi.base + idx); -} - -static int rfbi_get_clocks(void) -{ - rfbi.dss_ick = clk_get(&rfbi.fbdev->dssdev->dev, "ick"); - if (IS_ERR(rfbi.dss_ick)) { - dev_err(rfbi.fbdev->dev, "can't get ick\n"); - return PTR_ERR(rfbi.dss_ick); - } - - rfbi.dss1_fck = clk_get(&rfbi.fbdev->dssdev->dev, "fck"); - if (IS_ERR(rfbi.dss1_fck)) { - dev_err(rfbi.fbdev->dev, "can't get dss1_fck\n"); - clk_put(rfbi.dss_ick); - return PTR_ERR(rfbi.dss1_fck); - } - - return 0; -} - -static void rfbi_put_clocks(void) -{ - clk_put(rfbi.dss1_fck); - clk_put(rfbi.dss_ick); -} - -static void rfbi_enable_clocks(int enable) -{ - if (enable) { - clk_enable(rfbi.dss_ick); - clk_enable(rfbi.dss1_fck); - } else { - clk_disable(rfbi.dss1_fck); - clk_disable(rfbi.dss_ick); - } -} - - -#ifdef VERBOSE -static void rfbi_print_timings(void) -{ - u32 l; - u32 time; - - l = rfbi_read_reg(RFBI_CONFIG0); - time = 1000000000 / rfbi.l4_khz; - if (l & (1 << 4)) - time *= 2; - - dev_dbg(rfbi.fbdev->dev, "Tick time %u ps\n", time); - l = rfbi_read_reg(RFBI_ONOFF_TIME0); - dev_dbg(rfbi.fbdev->dev, - "CSONTIME %d, CSOFFTIME %d, WEONTIME %d, WEOFFTIME %d, " - "REONTIME %d, REOFFTIME %d\n", - l & 0x0f, (l >> 4) & 0x3f, (l >> 10) & 0x0f, (l >> 14) & 0x3f, - (l >> 20) & 0x0f, (l >> 24) & 0x3f); - - l = rfbi_read_reg(RFBI_CYCLE_TIME0); - dev_dbg(rfbi.fbdev->dev, - "WECYCLETIME %d, RECYCLETIME %d, CSPULSEWIDTH %d, " - "ACCESSTIME %d\n", - (l & 0x3f), (l >> 6) & 0x3f, (l >> 12) & 0x3f, - (l >> 22) & 0x3f); -} -#else -static void rfbi_print_timings(void) {} -#endif - -static void rfbi_set_timings(const struct extif_timings *t) -{ - u32 l; - - BUG_ON(!t->converted); - - rfbi_enable_clocks(1); - rfbi_write_reg(RFBI_ONOFF_TIME0, t->tim[0]); - rfbi_write_reg(RFBI_CYCLE_TIME0, t->tim[1]); - - l = rfbi_read_reg(RFBI_CONFIG0); - l &= ~(1 << 4); - l |= (t->tim[2] ? 1 : 0) << 4; - rfbi_write_reg(RFBI_CONFIG0, l); - - rfbi_print_timings(); - rfbi_enable_clocks(0); -} - -static void rfbi_get_clk_info(u32 *clk_period, u32 *max_clk_div) -{ - *clk_period = 1000000000 / rfbi.l4_khz; - *max_clk_div = 2; -} - -static int ps_to_rfbi_ticks(int time, int div) -{ - unsigned long tick_ps; - int ret; - - /* Calculate in picosecs to yield more exact results */ - tick_ps = 1000000000 / (rfbi.l4_khz) * div; - - ret = (time + tick_ps - 1) / tick_ps; - - return ret; -} - -#ifdef OMAP_RFBI_RATE_LIMIT -static unsigned long rfbi_get_max_tx_rate(void) -{ - unsigned long l4_rate, dss1_rate; - int min_l4_ticks = 0; - int i; - - /* According to TI this can't be calculated so make the - * adjustments for a couple of known frequencies and warn for - * others. - */ - static const struct { - unsigned long l4_clk; /* HZ */ - unsigned long dss1_clk; /* HZ */ - unsigned long min_l4_ticks; - } ftab[] = { - { 55, 132, 7, }, /* 7.86 MPix/s */ - { 110, 110, 12, }, /* 9.16 MPix/s */ - { 110, 132, 10, }, /* 11 Mpix/s */ - { 120, 120, 10, }, /* 12 Mpix/s */ - { 133, 133, 10, }, /* 13.3 Mpix/s */ - }; - - l4_rate = rfbi.l4_khz / 1000; - dss1_rate = clk_get_rate(rfbi.dss1_fck) / 1000000; - - for (i = 0; i < ARRAY_SIZE(ftab); i++) { - /* Use a window instead of an exact match, to account - * for different DPLL multiplier / divider pairs. - */ - if (abs(ftab[i].l4_clk - l4_rate) < 3 && - abs(ftab[i].dss1_clk - dss1_rate) < 3) { - min_l4_ticks = ftab[i].min_l4_ticks; - break; - } - } - if (i == ARRAY_SIZE(ftab)) { - /* Can't be sure, return anyway the maximum not - * rate-limited. This might cause a problem only for the - * tearing synchronisation. - */ - dev_err(rfbi.fbdev->dev, - "can't determine maximum RFBI transfer rate\n"); - return rfbi.l4_khz * 1000; - } - return rfbi.l4_khz * 1000 / min_l4_ticks; -} -#else -static int rfbi_get_max_tx_rate(void) -{ - return rfbi.l4_khz * 1000; -} -#endif - - -static int rfbi_convert_timings(struct extif_timings *t) -{ - u32 l; - int reon, reoff, weon, weoff, cson, csoff, cs_pulse; - int actim, recyc, wecyc; - int div = t->clk_div; - - if (div <= 0 || div > 2) - return -1; - - /* Make sure that after conversion it still holds that: - * weoff > weon, reoff > reon, recyc >= reoff, wecyc >= weoff, - * csoff > cson, csoff >= max(weoff, reoff), actim > reon - */ - weon = ps_to_rfbi_ticks(t->we_on_time, div); - weoff = ps_to_rfbi_ticks(t->we_off_time, div); - if (weoff <= weon) - weoff = weon + 1; - if (weon > 0x0f) - return -1; - if (weoff > 0x3f) - return -1; - - reon = ps_to_rfbi_ticks(t->re_on_time, div); - reoff = ps_to_rfbi_ticks(t->re_off_time, div); - if (reoff <= reon) - reoff = reon + 1; - if (reon > 0x0f) - return -1; - if (reoff > 0x3f) - return -1; - - cson = ps_to_rfbi_ticks(t->cs_on_time, div); - csoff = ps_to_rfbi_ticks(t->cs_off_time, div); - if (csoff <= cson) - csoff = cson + 1; - if (csoff < max(weoff, reoff)) - csoff = max(weoff, reoff); - if (cson > 0x0f) - return -1; - if (csoff > 0x3f) - return -1; - - l = cson; - l |= csoff << 4; - l |= weon << 10; - l |= weoff << 14; - l |= reon << 20; - l |= reoff << 24; - - t->tim[0] = l; - - actim = ps_to_rfbi_ticks(t->access_time, div); - if (actim <= reon) - actim = reon + 1; - if (actim > 0x3f) - return -1; - - wecyc = ps_to_rfbi_ticks(t->we_cycle_time, div); - if (wecyc < weoff) - wecyc = weoff; - if (wecyc > 0x3f) - return -1; - - recyc = ps_to_rfbi_ticks(t->re_cycle_time, div); - if (recyc < reoff) - recyc = reoff; - if (recyc > 0x3f) - return -1; - - cs_pulse = ps_to_rfbi_ticks(t->cs_pulse_width, div); - if (cs_pulse > 0x3f) - return -1; - - l = wecyc; - l |= recyc << 6; - l |= cs_pulse << 12; - l |= actim << 22; - - t->tim[1] = l; - - t->tim[2] = div - 1; - - t->converted = 1; - - return 0; -} - -static int rfbi_setup_tearsync(unsigned pin_cnt, - unsigned hs_pulse_time, unsigned vs_pulse_time, - int hs_pol_inv, int vs_pol_inv, int extif_div) -{ - int hs, vs; - int min; - u32 l; - - if (pin_cnt != 1 && pin_cnt != 2) - return -EINVAL; - - hs = ps_to_rfbi_ticks(hs_pulse_time, 1); - vs = ps_to_rfbi_ticks(vs_pulse_time, 1); - if (hs < 2) - return -EDOM; - if (pin_cnt == 2) - min = 2; - else - min = 4; - if (vs < min) - return -EDOM; - if (vs == hs) - return -EINVAL; - rfbi.tearsync_pin_cnt = pin_cnt; - dev_dbg(rfbi.fbdev->dev, - "setup_tearsync: pins %d hs %d vs %d hs_inv %d vs_inv %d\n", - pin_cnt, hs, vs, hs_pol_inv, vs_pol_inv); - - rfbi_enable_clocks(1); - rfbi_write_reg(RFBI_HSYNC_WIDTH, hs); - rfbi_write_reg(RFBI_VSYNC_WIDTH, vs); - - l = rfbi_read_reg(RFBI_CONFIG0); - if (hs_pol_inv) - l &= ~(1 << 21); - else - l |= 1 << 21; - if (vs_pol_inv) - l &= ~(1 << 20); - else - l |= 1 << 20; - rfbi_enable_clocks(0); - - return 0; -} - -static int rfbi_enable_tearsync(int enable, unsigned line) -{ - u32 l; - - dev_dbg(rfbi.fbdev->dev, "tearsync %d line %d mode %d\n", - enable, line, rfbi.tearsync_mode); - if (line > (1 << 11) - 1) - return -EINVAL; - - rfbi_enable_clocks(1); - l = rfbi_read_reg(RFBI_CONFIG0); - l &= ~(0x3 << 2); - if (enable) { - rfbi.tearsync_mode = rfbi.tearsync_pin_cnt; - l |= rfbi.tearsync_mode << 2; - } else - rfbi.tearsync_mode = 0; - rfbi_write_reg(RFBI_CONFIG0, l); - rfbi_write_reg(RFBI_LINE_NUMBER, line); - rfbi_enable_clocks(0); - - return 0; -} - -static void rfbi_write_command(const void *buf, unsigned int len) -{ - rfbi_enable_clocks(1); - if (rfbi.bits_per_cycle == 16) { - const u16 *w = buf; - BUG_ON(len & 1); - for (; len; len -= 2) - rfbi_write_reg(RFBI_CMD, *w++); - } else { - const u8 *b = buf; - BUG_ON(rfbi.bits_per_cycle != 8); - for (; len; len--) - rfbi_write_reg(RFBI_CMD, *b++); - } - rfbi_enable_clocks(0); -} - -static void rfbi_read_data(void *buf, unsigned int len) -{ - rfbi_enable_clocks(1); - if (rfbi.bits_per_cycle == 16) { - u16 *w = buf; - BUG_ON(len & ~1); - for (; len; len -= 2) { - rfbi_write_reg(RFBI_READ, 0); - *w++ = rfbi_read_reg(RFBI_READ); - } - } else { - u8 *b = buf; - BUG_ON(rfbi.bits_per_cycle != 8); - for (; len; len--) { - rfbi_write_reg(RFBI_READ, 0); - *b++ = rfbi_read_reg(RFBI_READ); - } - } - rfbi_enable_clocks(0); -} - -static void rfbi_write_data(const void *buf, unsigned int len) -{ - rfbi_enable_clocks(1); - if (rfbi.bits_per_cycle == 16) { - const u16 *w = buf; - BUG_ON(len & 1); - for (; len; len -= 2) - rfbi_write_reg(RFBI_PARAM, *w++); - } else { - const u8 *b = buf; - BUG_ON(rfbi.bits_per_cycle != 8); - for (; len; len--) - rfbi_write_reg(RFBI_PARAM, *b++); - } - rfbi_enable_clocks(0); -} - -static void rfbi_transfer_area(int width, int height, - void (callback)(void * data), void *data) -{ - u32 w; - - BUG_ON(callback == NULL); - - rfbi_enable_clocks(1); - omap_dispc_set_lcd_size(width, height); - - rfbi.lcdc_callback = callback; - rfbi.lcdc_callback_data = data; - - rfbi_write_reg(RFBI_PIXEL_CNT, width * height); - - w = rfbi_read_reg(RFBI_CONTROL); - w |= 1; /* enable */ - if (!rfbi.tearsync_mode) - w |= 1 << 4; /* internal trigger, reset by HW */ - rfbi_write_reg(RFBI_CONTROL, w); - - omap_dispc_enable_lcd_out(1); -} - -static inline void _stop_transfer(void) -{ - u32 w; - - w = rfbi_read_reg(RFBI_CONTROL); - rfbi_write_reg(RFBI_CONTROL, w & ~(1 << 0)); - rfbi_enable_clocks(0); -} - -static void rfbi_dma_callback(void *data) -{ - _stop_transfer(); - rfbi.lcdc_callback(rfbi.lcdc_callback_data); -} - -static void rfbi_set_bits_per_cycle(int bpc) -{ - u32 l; - - rfbi_enable_clocks(1); - l = rfbi_read_reg(RFBI_CONFIG0); - l &= ~(0x03 << 0); - - switch (bpc) { - case 8: - break; - case 16: - l |= 3; - break; - default: - BUG(); - } - rfbi_write_reg(RFBI_CONFIG0, l); - rfbi.bits_per_cycle = bpc; - rfbi_enable_clocks(0); -} - -static int rfbi_init(struct omapfb_device *fbdev) -{ - u32 l; - int r; - - rfbi.fbdev = fbdev; - rfbi.base = ioremap(RFBI_BASE, SZ_1K); - if (!rfbi.base) { - dev_err(fbdev->dev, "can't ioremap RFBI\n"); - return -ENOMEM; - } - - if ((r = rfbi_get_clocks()) < 0) - return r; - rfbi_enable_clocks(1); - - rfbi.l4_khz = clk_get_rate(rfbi.dss_ick) / 1000; - - /* Reset */ - rfbi_write_reg(RFBI_SYSCONFIG, 1 << 1); - while (!(rfbi_read_reg(RFBI_SYSSTATUS) & (1 << 0))); - - l = rfbi_read_reg(RFBI_SYSCONFIG); - /* Enable autoidle and smart-idle */ - l |= (1 << 0) | (2 << 3); - rfbi_write_reg(RFBI_SYSCONFIG, l); - - /* 16-bit interface, ITE trigger mode, 16-bit data */ - l = (0x03 << 0) | (0x00 << 2) | (0x01 << 5) | (0x02 << 7); - l |= (0 << 9) | (1 << 20) | (1 << 21); - rfbi_write_reg(RFBI_CONFIG0, l); - - rfbi_write_reg(RFBI_DATA_CYCLE1_0, 0x00000010); - - l = rfbi_read_reg(RFBI_CONTROL); - /* Select CS0, clear bypass mode */ - l = (0x01 << 2); - rfbi_write_reg(RFBI_CONTROL, l); - - r = omap_dispc_request_irq(DISPC_IRQ_FRAMEMASK, rfbi_dma_callback, - NULL); - if (r < 0) { - dev_err(fbdev->dev, "can't get DISPC irq\n"); - rfbi_enable_clocks(0); - return r; - } - - l = rfbi_read_reg(RFBI_REVISION); - pr_info("omapfb: RFBI version %d.%d initialized\n", - (l >> 4) & 0x0f, l & 0x0f); - - rfbi_enable_clocks(0); - - return 0; -} - -static void rfbi_cleanup(void) -{ - omap_dispc_free_irq(DISPC_IRQ_FRAMEMASK, rfbi_dma_callback, NULL); - rfbi_put_clocks(); - iounmap(rfbi.base); -} - -const struct lcd_ctrl_extif omap2_ext_if = { - .init = rfbi_init, - .cleanup = rfbi_cleanup, - .get_clk_info = rfbi_get_clk_info, - .get_max_tx_rate = rfbi_get_max_tx_rate, - .set_bits_per_cycle = rfbi_set_bits_per_cycle, - .convert_timings = rfbi_convert_timings, - .set_timings = rfbi_set_timings, - .write_command = rfbi_write_command, - .read_data = rfbi_read_data, - .write_data = rfbi_write_data, - .transfer_area = rfbi_transfer_area, - .setup_tearsync = rfbi_setup_tearsync, - .enable_tearsync = rfbi_enable_tearsync, - - .max_transmit_size = (u32) ~0, -}; - diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig index 74d29b5..408a992 100644 --- a/drivers/video/omap2/displays/Kconfig +++ b/drivers/video/omap2/displays/Kconfig @@ -12,7 +12,7 @@ config PANEL_GENERIC_DPI config PANEL_DVI tristate "DVI output" - depends on OMAP2_DSS_DPI + depends on OMAP2_DSS_DPI && I2C help Driver for external monitors, connected via DVI. The driver uses i2c to read EDID information from the monitor. diff --git a/drivers/video/omap2/displays/panel-acx565akm.c b/drivers/video/omap2/displays/panel-acx565akm.c index 51a87e1..d26f37a 100644 --- a/drivers/video/omap2/displays/panel-acx565akm.c +++ b/drivers/video/omap2/displays/panel-acx565akm.c @@ -809,18 +809,7 @@ static struct spi_driver acx565akm_spi_driver = { .remove = __devexit_p(acx565akm_spi_remove), }; -static int __init acx565akm_init(void) -{ - return spi_register_driver(&acx565akm_spi_driver); -} - -static void __exit acx565akm_exit(void) -{ - spi_unregister_driver(&acx565akm_spi_driver); -} - -module_init(acx565akm_init); -module_exit(acx565akm_exit); +module_spi_driver(acx565akm_spi_driver); MODULE_AUTHOR("Nokia Corporation"); MODULE_DESCRIPTION("acx565akm LCD Driver"); diff --git a/drivers/video/omap2/displays/panel-generic-dpi.c b/drivers/video/omap2/displays/panel-generic-dpi.c index 28b9a6d..30fe4df 100644 --- a/drivers/video/omap2/displays/panel-generic-dpi.c +++ b/drivers/video/omap2/displays/panel-generic-dpi.c @@ -363,6 +363,29 @@ static struct panel_config generic_dpi_panels[] = { .name = "ortustech_com43h4m10xtc", }, + + /* Innolux AT080TN52 */ + { + { + .x_res = 800, + .y_res = 600, + + .pixel_clock = 41142, + + .hsw = 20, + .hfp = 210, + .hbp = 46, + + .vsw = 10, + .vfp = 12, + .vbp = 23, + }, + .acb = 0x0, + .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS | + OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IEO, + + .name = "innolux_at080tn52", + }, }; struct panel_drv_data { diff --git a/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c b/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c index e0eb35b..0841cc2 100644 --- a/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c +++ b/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c @@ -264,16 +264,6 @@ static struct spi_driver lb035q02_spi_driver = { .remove = __devexit_p(lb035q02_panel_spi_remove), }; -static int __init lb035q02_panel_drv_init(void) -{ - return spi_register_driver(&lb035q02_spi_driver); -} - -static void __exit lb035q02_panel_drv_exit(void) -{ - spi_unregister_driver(&lb035q02_spi_driver); -} +module_spi_driver(lb035q02_spi_driver); -module_init(lb035q02_panel_drv_init); -module_exit(lb035q02_panel_drv_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c b/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c index 0eb31ca..8b38b39 100644 --- a/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c +++ b/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c @@ -350,18 +350,8 @@ static struct spi_driver nec_8048_spi_driver = { }, }; -static int __init nec_8048_lcd_init(void) -{ - return spi_register_driver(&nec_8048_spi_driver); -} - -static void __exit nec_8048_lcd_exit(void) -{ - return spi_unregister_driver(&nec_8048_spi_driver); -} +module_spi_driver(nec_8048_spi_driver); -module_init(nec_8048_lcd_init); -module_exit(nec_8048_lcd_exit); MODULE_AUTHOR("Erik Gilling <konkers@android.com>"); MODULE_DESCRIPTION("NEC-nl8048hl11-01b Driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c index 00c5c61..0f21fa5 100644 --- a/drivers/video/omap2/displays/panel-taal.c +++ b/drivers/video/omap2/displays/panel-taal.c @@ -1019,14 +1019,12 @@ static int taal_probe(struct omap_dss_device *dssdev) if (panel_data->use_ext_te) { int gpio = panel_data->ext_te_gpio; - r = gpio_request(gpio, "taal irq"); + r = gpio_request_one(gpio, GPIOF_IN, "taal irq"); if (r) { dev_err(&dssdev->dev, "GPIO request failed\n"); goto err_gpio; } - gpio_direction_input(gpio); - r = request_irq(gpio_to_irq(gpio), taal_te_isr, IRQF_TRIGGER_RISING, "taal vsync", dssdev); diff --git a/drivers/video/omap2/displays/panel-tpo-td043mtea1.c b/drivers/video/omap2/displays/panel-tpo-td043mtea1.c index e6649aa..32f3fcd 100644 --- a/drivers/video/omap2/displays/panel-tpo-td043mtea1.c +++ b/drivers/video/omap2/displays/panel-tpo-td043mtea1.c @@ -47,16 +47,20 @@ TPO_R03_EN_PRE_CHARGE | TPO_R03_SOFTWARE_CTL) static const u16 tpo_td043_def_gamma[12] = { - 106, 200, 289, 375, 460, 543, 625, 705, 785, 864, 942, 1020 + 105, 315, 381, 431, 490, 537, 579, 686, 780, 837, 880, 1023 }; struct tpo_td043_device { struct spi_device *spi; struct regulator *vcc_reg; + int nreset_gpio; u16 gamma[12]; u32 mode; u32 hmirror:1; u32 vmirror:1; + u32 powered_on:1; + u32 spi_suspended:1; + u32 power_on_resume:1; }; static int tpo_td043_write(struct spi_device *spi, u8 addr, u8 data) @@ -265,28 +269,16 @@ static const struct omap_video_timings tpo_td043_timings = { .vbp = 34, }; -static int tpo_td043_power_on(struct omap_dss_device *dssdev) +static int tpo_td043_power_on(struct tpo_td043_device *tpo_td043) { - struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev); - int nreset_gpio = dssdev->reset_gpio; - int r; + int nreset_gpio = tpo_td043->nreset_gpio; - if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) + if (tpo_td043->powered_on) return 0; - r = omapdss_dpi_display_enable(dssdev); - if (r) - goto err0; - - if (dssdev->platform_enable) { - r = dssdev->platform_enable(dssdev); - if (r) - goto err1; - } - regulator_enable(tpo_td043->vcc_reg); - /* wait for power up */ + /* wait for regulator to stabilize */ msleep(160); if (gpio_is_valid(nreset_gpio)) @@ -301,19 +293,15 @@ static int tpo_td043_power_on(struct omap_dss_device *dssdev) tpo_td043->vmirror); tpo_td043_write_gamma(tpo_td043->spi, tpo_td043->gamma); + tpo_td043->powered_on = 1; return 0; -err1: - omapdss_dpi_display_disable(dssdev); -err0: - return r; } -static void tpo_td043_power_off(struct omap_dss_device *dssdev) +static void tpo_td043_power_off(struct tpo_td043_device *tpo_td043) { - struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev); - int nreset_gpio = dssdev->reset_gpio; + int nreset_gpio = tpo_td043->nreset_gpio; - if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) + if (!tpo_td043->powered_on) return; tpo_td043_write(tpo_td043->spi, 3, @@ -329,54 +317,94 @@ static void tpo_td043_power_off(struct omap_dss_device *dssdev) regulator_disable(tpo_td043->vcc_reg); + tpo_td043->powered_on = 0; +} + +static int tpo_td043_enable_dss(struct omap_dss_device *dssdev) +{ + struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev); + int r; + + if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) + return 0; + + r = omapdss_dpi_display_enable(dssdev); + if (r) + goto err0; + + if (dssdev->platform_enable) { + r = dssdev->platform_enable(dssdev); + if (r) + goto err1; + } + + /* + * If we are resuming from system suspend, SPI clocks might not be + * enabled yet, so we'll program the LCD from SPI PM resume callback. + */ + if (!tpo_td043->spi_suspended) { + r = tpo_td043_power_on(tpo_td043); + if (r) + goto err1; + } + + dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; + + return 0; +err1: + omapdss_dpi_display_disable(dssdev); +err0: + return r; +} + +static void tpo_td043_disable_dss(struct omap_dss_device *dssdev) +{ + struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev); + + if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) + return; + if (dssdev->platform_disable) dssdev->platform_disable(dssdev); omapdss_dpi_display_disable(dssdev); + + if (!tpo_td043->spi_suspended) + tpo_td043_power_off(tpo_td043); } static int tpo_td043_enable(struct omap_dss_device *dssdev) { - int ret; - dev_dbg(&dssdev->dev, "enable\n"); - ret = tpo_td043_power_on(dssdev); - if (ret) - return ret; - - dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; - - return 0; + return tpo_td043_enable_dss(dssdev); } static void tpo_td043_disable(struct omap_dss_device *dssdev) { dev_dbg(&dssdev->dev, "disable\n"); - tpo_td043_power_off(dssdev); + tpo_td043_disable_dss(dssdev); dssdev->state = OMAP_DSS_DISPLAY_DISABLED; } static int tpo_td043_suspend(struct omap_dss_device *dssdev) { - tpo_td043_power_off(dssdev); + dev_dbg(&dssdev->dev, "suspend\n"); + + tpo_td043_disable_dss(dssdev); + dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED; + return 0; } static int tpo_td043_resume(struct omap_dss_device *dssdev) { - int r = 0; - - r = tpo_td043_power_on(dssdev); - if (r) - return r; + dev_dbg(&dssdev->dev, "resume\n"); - dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; - - return 0; + return tpo_td043_enable_dss(dssdev); } static int tpo_td043_probe(struct omap_dss_device *dssdev) @@ -408,17 +436,12 @@ static int tpo_td043_probe(struct omap_dss_device *dssdev) } if (gpio_is_valid(nreset_gpio)) { - ret = gpio_request(nreset_gpio, "lcd reset"); + ret = gpio_request_one(nreset_gpio, GPIOF_OUT_INIT_LOW, + "lcd reset"); if (ret < 0) { dev_err(&dssdev->dev, "couldn't request reset GPIO\n"); goto fail_gpio_req; } - - ret = gpio_direction_output(nreset_gpio, 0); - if (ret < 0) { - dev_err(&dssdev->dev, "couldn't set GPIO direction\n"); - goto fail_gpio_direction; - } } ret = sysfs_create_group(&dssdev->dev.kobj, &tpo_td043_attr_group); @@ -427,8 +450,6 @@ static int tpo_td043_probe(struct omap_dss_device *dssdev) return 0; -fail_gpio_direction: - gpio_free(nreset_gpio); fail_gpio_req: regulator_put(tpo_td043->vcc_reg); fail_regulator: @@ -491,6 +512,7 @@ static int tpo_td043_spi_probe(struct spi_device *spi) return -ENOMEM; tpo_td043->spi = spi; + tpo_td043->nreset_gpio = dssdev->reset_gpio; dev_set_drvdata(&spi->dev, tpo_td043); dev_set_drvdata(&dssdev->dev, tpo_td043); @@ -509,27 +531,52 @@ static int __devexit tpo_td043_spi_remove(struct spi_device *spi) return 0; } +#ifdef CONFIG_PM_SLEEP +static int tpo_td043_spi_suspend(struct device *dev) +{ + struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev); + + dev_dbg(dev, "tpo_td043_spi_suspend, tpo %p\n", tpo_td043); + + tpo_td043->power_on_resume = tpo_td043->powered_on; + tpo_td043_power_off(tpo_td043); + tpo_td043->spi_suspended = 1; + + return 0; +} + +static int tpo_td043_spi_resume(struct device *dev) +{ + struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev); + int ret; + + dev_dbg(dev, "tpo_td043_spi_resume\n"); + + if (tpo_td043->power_on_resume) { + ret = tpo_td043_power_on(tpo_td043); + if (ret) + return ret; + } + tpo_td043->spi_suspended = 0; + + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(tpo_td043_spi_pm, + tpo_td043_spi_suspend, tpo_td043_spi_resume); + static struct spi_driver tpo_td043_spi_driver = { .driver = { .name = "tpo_td043mtea1_panel_spi", .owner = THIS_MODULE, + .pm = &tpo_td043_spi_pm, }, .probe = tpo_td043_spi_probe, .remove = __devexit_p(tpo_td043_spi_remove), }; -static int __init tpo_td043_init(void) -{ - return spi_register_driver(&tpo_td043_spi_driver); -} - -static void __exit tpo_td043_exit(void) -{ - spi_unregister_driver(&tpo_td043_spi_driver); -} - -module_init(tpo_td043_init); -module_exit(tpo_td043_exit); +module_spi_driver(tpo_td043_spi_driver); MODULE_AUTHOR("Gražvydas Ignotas <notasas@gmail.com>"); MODULE_DESCRIPTION("TPO TD043MTEA1 LCD Driver"); diff --git a/drivers/video/omap2/dss/apply.c b/drivers/video/omap2/dss/apply.c index 052dc87..b10b3bc 100644 --- a/drivers/video/omap2/dss/apply.c +++ b/drivers/video/omap2/dss/apply.c @@ -105,6 +105,9 @@ static struct { struct ovl_priv_data ovl_priv_data_array[MAX_DSS_OVERLAYS]; struct mgr_priv_data mgr_priv_data_array[MAX_DSS_MANAGERS]; + bool fifo_merge_dirty; + bool fifo_merge; + bool irq_enabled; } dss_data; @@ -351,6 +354,7 @@ static void wait_pending_extra_info_updates(void) bool updating; unsigned long flags; unsigned long t; + int r; spin_lock_irqsave(&data_lock, flags); @@ -366,11 +370,11 @@ static void wait_pending_extra_info_updates(void) spin_unlock_irqrestore(&data_lock, flags); t = msecs_to_jiffies(500); - wait_for_completion_timeout(&extra_updated_completion, t); - - updating = extra_info_update_ongoing(); - - WARN_ON(updating); + r = wait_for_completion_timeout(&extra_updated_completion, t); + if (r == 0) + DSSWARN("timeout in wait_pending_extra_info_updates\n"); + else if (r < 0) + DSSERR("wait_pending_extra_info_updates failed: %d\n", r); } int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr) @@ -388,6 +392,10 @@ int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr) if (mgr_manual_update(mgr)) return 0; + r = dispc_runtime_get(); + if (r) + return r; + irq = dispc_mgr_get_vsync_irq(mgr->id); mp = get_mgr_priv(mgr); @@ -428,6 +436,8 @@ int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr) } } + dispc_runtime_put(); + return r; } @@ -451,6 +461,10 @@ int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl) if (ovl_manual_update(ovl)) return 0; + r = dispc_runtime_get(); + if (r) + return r; + irq = dispc_mgr_get_vsync_irq(ovl->manager->id); op = get_ovl_priv(ovl); @@ -491,6 +505,8 @@ int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl) } } + dispc_runtime_put(); + return r; } @@ -585,11 +601,40 @@ static void dss_mgr_write_regs(struct omap_overlay_manager *mgr) } } +static void dss_write_regs_common(void) +{ + const int num_mgrs = omap_dss_get_num_overlay_managers(); + int i; + + if (!dss_data.fifo_merge_dirty) + return; + + for (i = 0; i < num_mgrs; ++i) { + struct omap_overlay_manager *mgr; + struct mgr_priv_data *mp; + + mgr = omap_dss_get_overlay_manager(i); + mp = get_mgr_priv(mgr); + + if (mp->enabled) { + if (dss_data.fifo_merge_dirty) { + dispc_enable_fifomerge(dss_data.fifo_merge); + dss_data.fifo_merge_dirty = false; + } + + if (mp->updating) + mp->shadow_info_dirty = true; + } + } +} + static void dss_write_regs(void) { const int num_mgrs = omap_dss_get_num_overlay_managers(); int i; + dss_write_regs_common(); + for (i = 0; i < num_mgrs; ++i) { struct omap_overlay_manager *mgr; struct mgr_priv_data *mp; @@ -640,6 +685,22 @@ static void dss_set_go_bits(void) } +static void mgr_clear_shadow_dirty(struct omap_overlay_manager *mgr) +{ + struct omap_overlay *ovl; + struct mgr_priv_data *mp; + struct ovl_priv_data *op; + + mp = get_mgr_priv(mgr); + mp->shadow_info_dirty = false; + + list_for_each_entry(ovl, &mgr->overlays, list) { + op = get_ovl_priv(ovl); + op->shadow_info_dirty = false; + op->shadow_extra_info_dirty = false; + } +} + void dss_mgr_start_update(struct omap_overlay_manager *mgr) { struct mgr_priv_data *mp = get_mgr_priv(mgr); @@ -659,6 +720,8 @@ void dss_mgr_start_update(struct omap_overlay_manager *mgr) dss_mgr_write_regs(mgr); + dss_write_regs_common(); + mp->updating = true; if (!dss_data.irq_enabled && need_isr()) @@ -666,6 +729,8 @@ void dss_mgr_start_update(struct omap_overlay_manager *mgr) dispc_mgr_enable(mgr->id, true); + mgr_clear_shadow_dirty(mgr); + spin_unlock_irqrestore(&data_lock, flags); } @@ -709,22 +774,6 @@ static void dss_unregister_vsync_isr(void) dss_data.irq_enabled = false; } -static void mgr_clear_shadow_dirty(struct omap_overlay_manager *mgr) -{ - struct omap_overlay *ovl; - struct mgr_priv_data *mp; - struct ovl_priv_data *op; - - mp = get_mgr_priv(mgr); - mp->shadow_info_dirty = false; - - list_for_each_entry(ovl, &mgr->overlays, list) { - op = get_ovl_priv(ovl); - op->shadow_info_dirty = false; - op->shadow_extra_info_dirty = false; - } -} - static void dss_apply_irq_handler(void *data, u32 mask) { const int num_mgrs = dss_feat_get_num_mgrs(); @@ -754,9 +803,6 @@ static void dss_apply_irq_handler(void *data, u32 mask) if (was_busy && !mp->busy) mgr_clear_shadow_dirty(mgr); - } else { - if (was_updating && !mp->updating) - mgr_clear_shadow_dirty(mgr); } } @@ -859,11 +905,20 @@ static void dss_apply_ovl_fifo_thresholds(struct omap_overlay *ovl, op->extra_info_dirty = true; } -static void dss_ovl_setup_fifo(struct omap_overlay *ovl) +static void dss_apply_fifo_merge(bool use_fifo_merge) +{ + if (dss_data.fifo_merge == use_fifo_merge) + return; + + dss_data.fifo_merge = use_fifo_merge; + dss_data.fifo_merge_dirty = true; +} + +static void dss_ovl_setup_fifo(struct omap_overlay *ovl, + bool use_fifo_merge) { struct ovl_priv_data *op = get_ovl_priv(ovl); struct omap_dss_device *dssdev; - u32 size, burst_size; u32 fifo_low, fifo_high; if (!op->enabled && !op->enabling) @@ -871,33 +926,14 @@ static void dss_ovl_setup_fifo(struct omap_overlay *ovl) dssdev = ovl->manager->device; - size = dispc_ovl_get_fifo_size(ovl->id); - - burst_size = dispc_ovl_get_burst_size(ovl->id); - - switch (dssdev->type) { - case OMAP_DISPLAY_TYPE_DPI: - case OMAP_DISPLAY_TYPE_DBI: - case OMAP_DISPLAY_TYPE_SDI: - case OMAP_DISPLAY_TYPE_VENC: - case OMAP_DISPLAY_TYPE_HDMI: - default_get_overlay_fifo_thresholds(ovl->id, size, - burst_size, &fifo_low, &fifo_high); - break; -#ifdef CONFIG_OMAP2_DSS_DSI - case OMAP_DISPLAY_TYPE_DSI: - dsi_get_overlay_fifo_thresholds(ovl->id, size, - burst_size, &fifo_low, &fifo_high); - break; -#endif - default: - BUG(); - } + dispc_ovl_compute_fifo_thresholds(ovl->id, &fifo_low, &fifo_high, + use_fifo_merge); dss_apply_ovl_fifo_thresholds(ovl, fifo_low, fifo_high); } -static void dss_mgr_setup_fifos(struct omap_overlay_manager *mgr) +static void dss_mgr_setup_fifos(struct omap_overlay_manager *mgr, + bool use_fifo_merge) { struct omap_overlay *ovl; struct mgr_priv_data *mp; @@ -908,19 +944,94 @@ static void dss_mgr_setup_fifos(struct omap_overlay_manager *mgr) return; list_for_each_entry(ovl, &mgr->overlays, list) - dss_ovl_setup_fifo(ovl); + dss_ovl_setup_fifo(ovl, use_fifo_merge); +} + +static void dss_setup_fifos(bool use_fifo_merge) +{ + const int num_mgrs = omap_dss_get_num_overlay_managers(); + struct omap_overlay_manager *mgr; + int i; + + for (i = 0; i < num_mgrs; ++i) { + mgr = omap_dss_get_overlay_manager(i); + dss_mgr_setup_fifos(mgr, use_fifo_merge); + } } -static void dss_setup_fifos(void) +static int get_num_used_managers(void) { const int num_mgrs = omap_dss_get_num_overlay_managers(); struct omap_overlay_manager *mgr; + struct mgr_priv_data *mp; int i; + int enabled_mgrs; + + enabled_mgrs = 0; for (i = 0; i < num_mgrs; ++i) { mgr = omap_dss_get_overlay_manager(i); - dss_mgr_setup_fifos(mgr); + mp = get_mgr_priv(mgr); + + if (!mp->enabled) + continue; + + enabled_mgrs++; + } + + return enabled_mgrs; +} + +static int get_num_used_overlays(void) +{ + const int num_ovls = omap_dss_get_num_overlays(); + struct omap_overlay *ovl; + struct ovl_priv_data *op; + struct mgr_priv_data *mp; + int i; + int enabled_ovls; + + enabled_ovls = 0; + + for (i = 0; i < num_ovls; ++i) { + ovl = omap_dss_get_overlay(i); + op = get_ovl_priv(ovl); + + if (!op->enabled && !op->enabling) + continue; + + mp = get_mgr_priv(ovl->manager); + + if (!mp->enabled) + continue; + + enabled_ovls++; } + + return enabled_ovls; +} + +static bool get_use_fifo_merge(void) +{ + int enabled_mgrs = get_num_used_managers(); + int enabled_ovls = get_num_used_overlays(); + + if (!dss_has_feature(FEAT_FIFO_MERGE)) + return false; + + /* + * In theory the only requirement for fifomerge is enabled_ovls <= 1. + * However, if we have two managers enabled and set/unset the fifomerge, + * we need to set the GO bits in particular sequence for the managers, + * and wait in between. + * + * This is rather difficult as new apply calls can happen at any time, + * so we simplify the problem by requiring also that enabled_mgrs <= 1. + * In practice this shouldn't matter, because when only one overlay is + * enabled, most likely only one output is enabled. + */ + + return enabled_mgrs <= 1 && enabled_ovls <= 1; } int dss_mgr_enable(struct omap_overlay_manager *mgr) @@ -928,6 +1039,7 @@ int dss_mgr_enable(struct omap_overlay_manager *mgr) struct mgr_priv_data *mp = get_mgr_priv(mgr); unsigned long flags; int r; + bool fifo_merge; mutex_lock(&apply_lock); @@ -945,11 +1057,23 @@ int dss_mgr_enable(struct omap_overlay_manager *mgr) goto err; } - dss_setup_fifos(); + /* step 1: setup fifos/fifomerge before enabling the manager */ + + fifo_merge = get_use_fifo_merge(); + dss_setup_fifos(fifo_merge); + dss_apply_fifo_merge(fifo_merge); dss_write_regs(); dss_set_go_bits(); + spin_unlock_irqrestore(&data_lock, flags); + + /* wait until fifo config is in */ + wait_pending_extra_info_updates(); + + /* step 2: enable the manager */ + spin_lock_irqsave(&data_lock, flags); + if (!mgr_manual_update(mgr)) mp->updating = true; @@ -974,6 +1098,7 @@ void dss_mgr_disable(struct omap_overlay_manager *mgr) { struct mgr_priv_data *mp = get_mgr_priv(mgr); unsigned long flags; + bool fifo_merge; mutex_lock(&apply_lock); @@ -988,8 +1113,16 @@ void dss_mgr_disable(struct omap_overlay_manager *mgr) mp->updating = false; mp->enabled = false; + fifo_merge = get_use_fifo_merge(); + dss_setup_fifos(fifo_merge); + dss_apply_fifo_merge(fifo_merge); + + dss_write_regs(); + dss_set_go_bits(); + spin_unlock_irqrestore(&data_lock, flags); + wait_pending_extra_info_updates(); out: mutex_unlock(&apply_lock); } @@ -1241,6 +1374,7 @@ int dss_ovl_enable(struct omap_overlay *ovl) { struct ovl_priv_data *op = get_ovl_priv(ovl); unsigned long flags; + bool fifo_merge; int r; mutex_lock(&apply_lock); @@ -1266,7 +1400,22 @@ int dss_ovl_enable(struct omap_overlay *ovl) goto err2; } - dss_setup_fifos(); + /* step 1: configure fifos/fifomerge for currently enabled ovls */ + + fifo_merge = get_use_fifo_merge(); + dss_setup_fifos(fifo_merge); + dss_apply_fifo_merge(fifo_merge); + + dss_write_regs(); + dss_set_go_bits(); + + spin_unlock_irqrestore(&data_lock, flags); + + /* wait for fifo configs to go in */ + wait_pending_extra_info_updates(); + + /* step 2: enable the overlay */ + spin_lock_irqsave(&data_lock, flags); op->enabling = false; dss_apply_ovl_enable(ovl, true); @@ -1276,6 +1425,9 @@ int dss_ovl_enable(struct omap_overlay *ovl) spin_unlock_irqrestore(&data_lock, flags); + /* wait for overlay to be enabled */ + wait_pending_extra_info_updates(); + mutex_unlock(&apply_lock); return 0; @@ -1291,6 +1443,7 @@ int dss_ovl_disable(struct omap_overlay *ovl) { struct ovl_priv_data *op = get_ovl_priv(ovl); unsigned long flags; + bool fifo_merge; int r; mutex_lock(&apply_lock); @@ -1305,14 +1458,34 @@ int dss_ovl_disable(struct omap_overlay *ovl) goto err; } + /* step 1: disable the overlay */ spin_lock_irqsave(&data_lock, flags); dss_apply_ovl_enable(ovl, false); + dss_write_regs(); dss_set_go_bits(); spin_unlock_irqrestore(&data_lock, flags); + /* wait for the overlay to be disabled */ + wait_pending_extra_info_updates(); + + /* step 2: configure fifos/fifomerge */ + spin_lock_irqsave(&data_lock, flags); + + fifo_merge = get_use_fifo_merge(); + dss_setup_fifos(fifo_merge); + dss_apply_fifo_merge(fifo_merge); + + dss_write_regs(); + dss_set_go_bits(); + + spin_unlock_irqrestore(&data_lock, flags); + + /* wait for fifo config to go in */ + wait_pending_extra_info_updates(); + mutex_unlock(&apply_lock); return 0; diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c index 8613f86..e8a1207 100644 --- a/drivers/video/omap2/dss/core.c +++ b/drivers/video/omap2/dss/core.c @@ -183,42 +183,6 @@ static int omap_dss_probe(struct platform_device *pdev) dss_init_overlay_managers(pdev); dss_init_overlays(pdev); - r = dss_init_platform_driver(); - if (r) { - DSSERR("Failed to initialize DSS platform driver\n"); - goto err_dss; - } - - r = dispc_init_platform_driver(); - if (r) { - DSSERR("Failed to initialize dispc platform driver\n"); - goto err_dispc; - } - - r = rfbi_init_platform_driver(); - if (r) { - DSSERR("Failed to initialize rfbi platform driver\n"); - goto err_rfbi; - } - - r = venc_init_platform_driver(); - if (r) { - DSSERR("Failed to initialize venc platform driver\n"); - goto err_venc; - } - - r = dsi_init_platform_driver(); - if (r) { - DSSERR("Failed to initialize DSI platform driver\n"); - goto err_dsi; - } - - r = hdmi_init_platform_driver(); - if (r) { - DSSERR("Failed to initialize hdmi\n"); - goto err_hdmi; - } - r = dss_initialize_debugfs(); if (r) goto err_debugfs; @@ -246,18 +210,6 @@ static int omap_dss_probe(struct platform_device *pdev) err_register: dss_uninitialize_debugfs(); err_debugfs: - hdmi_uninit_platform_driver(); -err_hdmi: - dsi_uninit_platform_driver(); -err_dsi: - venc_uninit_platform_driver(); -err_venc: - dispc_uninit_platform_driver(); -err_dispc: - rfbi_uninit_platform_driver(); -err_rfbi: - dss_uninit_platform_driver(); -err_dss: return r; } @@ -269,13 +221,6 @@ static int omap_dss_remove(struct platform_device *pdev) dss_uninitialize_debugfs(); - hdmi_uninit_platform_driver(); - dsi_uninit_platform_driver(); - venc_uninit_platform_driver(); - rfbi_uninit_platform_driver(); - dispc_uninit_platform_driver(); - dss_uninit_platform_driver(); - dss_uninit_overlays(pdev); dss_uninit_overlay_managers(pdev); @@ -525,6 +470,80 @@ static int omap_dss_bus_register(void) /* INIT */ +static int __init omap_dss_register_drivers(void) +{ + int r; + + r = platform_driver_register(&omap_dss_driver); + if (r) + return r; + + r = dss_init_platform_driver(); + if (r) { + DSSERR("Failed to initialize DSS platform driver\n"); + goto err_dss; + } + + r = dispc_init_platform_driver(); + if (r) { + DSSERR("Failed to initialize dispc platform driver\n"); + goto err_dispc; + } + + r = rfbi_init_platform_driver(); + if (r) { + DSSERR("Failed to initialize rfbi platform driver\n"); + goto err_rfbi; + } + + r = venc_init_platform_driver(); + if (r) { + DSSERR("Failed to initialize venc platform driver\n"); + goto err_venc; + } + + r = dsi_init_platform_driver(); + if (r) { + DSSERR("Failed to initialize DSI platform driver\n"); + goto err_dsi; + } + + r = hdmi_init_platform_driver(); + if (r) { + DSSERR("Failed to initialize hdmi\n"); + goto err_hdmi; + } + + return 0; + +err_hdmi: + dsi_uninit_platform_driver(); +err_dsi: + venc_uninit_platform_driver(); +err_venc: + rfbi_uninit_platform_driver(); +err_rfbi: + dispc_uninit_platform_driver(); +err_dispc: + dss_uninit_platform_driver(); +err_dss: + platform_driver_unregister(&omap_dss_driver); + + return r; +} + +static void __exit omap_dss_unregister_drivers(void) +{ + hdmi_uninit_platform_driver(); + dsi_uninit_platform_driver(); + venc_uninit_platform_driver(); + rfbi_uninit_platform_driver(); + dispc_uninit_platform_driver(); + dss_uninit_platform_driver(); + + platform_driver_unregister(&omap_dss_driver); +} + #ifdef CONFIG_OMAP2_DSS_MODULE static void omap_dss_bus_unregister(void) { @@ -541,7 +560,7 @@ static int __init omap_dss_init(void) if (r) return r; - r = platform_driver_register(&omap_dss_driver); + r = omap_dss_register_drivers(); if (r) { omap_dss_bus_unregister(); return r; @@ -562,7 +581,7 @@ static void __exit omap_dss_exit(void) core.vdds_sdi_reg = NULL; } - platform_driver_unregister(&omap_dss_driver); + omap_dss_unregister_drivers(); omap_dss_bus_unregister(); } @@ -577,7 +596,7 @@ static int __init omap_dss_init(void) static int __init omap_dss_init2(void) { - return platform_driver_register(&omap_dss_driver); + return omap_dss_register_drivers(); } core_initcall(omap_dss_init); diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index cce0820..ee30937 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -37,7 +37,6 @@ #include <linux/platform_device.h> #include <linux/pm_runtime.h> -#include <plat/sram.h> #include <plat/clock.h> #include <video/omapdss.h> @@ -736,11 +735,11 @@ static void dispc_ovl_set_color_mode(enum omap_plane plane, switch (color_mode) { case OMAP_DSS_COLOR_NV12: m = 0x0; break; - case OMAP_DSS_COLOR_RGB12U: + case OMAP_DSS_COLOR_RGBX16: m = 0x1; break; case OMAP_DSS_COLOR_RGBA16: m = 0x2; break; - case OMAP_DSS_COLOR_RGBX16: + case OMAP_DSS_COLOR_RGB12U: m = 0x4; break; case OMAP_DSS_COLOR_ARGB16: m = 0x5; break; @@ -789,9 +788,9 @@ static void dispc_ovl_set_color_mode(enum omap_plane plane, m = 0x8; break; case OMAP_DSS_COLOR_RGB24P: m = 0x9; break; - case OMAP_DSS_COLOR_YUV2: + case OMAP_DSS_COLOR_RGBX16: m = 0xa; break; - case OMAP_DSS_COLOR_UYVY: + case OMAP_DSS_COLOR_RGBA16: m = 0xb; break; case OMAP_DSS_COLOR_ARGB32: m = 0xc; break; @@ -909,7 +908,7 @@ static void dispc_configure_burst_sizes(void) dispc_ovl_set_burst_size(i, burst_size); } -u32 dispc_ovl_get_burst_size(enum omap_plane plane) +static u32 dispc_ovl_get_burst_size(enum omap_plane plane) { unsigned unit = dss_feat_get_burst_size_unit(); /* burst multiplier is always x8 (see dispc_configure_burst_sizes()) */ @@ -1018,7 +1017,7 @@ static void dispc_read_plane_fifo_sizes(void) } } -u32 dispc_ovl_get_fifo_size(enum omap_plane plane) +static u32 dispc_ovl_get_fifo_size(enum omap_plane plane) { return dispc.fifo_size[plane]; } @@ -1039,13 +1038,13 @@ void dispc_ovl_set_fifo_threshold(enum omap_plane plane, u32 low, u32 high) dss_feat_get_reg_field(FEAT_REG_FIFOHIGHTHRESHOLD, &hi_start, &hi_end); dss_feat_get_reg_field(FEAT_REG_FIFOLOWTHRESHOLD, &lo_start, &lo_end); - DSSDBG("fifo(%d) low/high old %u/%u, new %u/%u\n", + DSSDBG("fifo(%d) threshold (bytes), old %u/%u, new %u/%u\n", plane, REG_GET(DISPC_OVL_FIFO_THRESHOLD(plane), - lo_start, lo_end), + lo_start, lo_end) * unit, REG_GET(DISPC_OVL_FIFO_THRESHOLD(plane), - hi_start, hi_end), - low, high); + hi_start, hi_end) * unit, + low * unit, high * unit); dispc_write_reg(DISPC_OVL_FIFO_THRESHOLD(plane), FLD_VAL(high, hi_start, hi_end) | @@ -1054,10 +1053,53 @@ void dispc_ovl_set_fifo_threshold(enum omap_plane plane, u32 low, u32 high) void dispc_enable_fifomerge(bool enable) { + if (!dss_has_feature(FEAT_FIFO_MERGE)) { + WARN_ON(enable); + return; + } + DSSDBG("FIFO merge %s\n", enable ? "enabled" : "disabled"); REG_FLD_MOD(DISPC_CONFIG, enable ? 1 : 0, 14, 14); } +void dispc_ovl_compute_fifo_thresholds(enum omap_plane plane, + u32 *fifo_low, u32 *fifo_high, bool use_fifomerge) +{ + /* + * All sizes are in bytes. Both the buffer and burst are made of + * buffer_units, and the fifo thresholds must be buffer_unit aligned. + */ + + unsigned buf_unit = dss_feat_get_buffer_size_unit(); + unsigned ovl_fifo_size, total_fifo_size, burst_size; + int i; + + burst_size = dispc_ovl_get_burst_size(plane); + ovl_fifo_size = dispc_ovl_get_fifo_size(plane); + + if (use_fifomerge) { + total_fifo_size = 0; + for (i = 0; i < omap_dss_get_num_overlays(); ++i) + total_fifo_size += dispc_ovl_get_fifo_size(i); + } else { + total_fifo_size = ovl_fifo_size; + } + + /* + * We use the same low threshold for both fifomerge and non-fifomerge + * cases, but for fifomerge we calculate the high threshold using the + * combined fifo size + */ + + if (dss_has_feature(FEAT_OMAP3_DSI_FIFO_BUG)) { + *fifo_low = ovl_fifo_size - burst_size * 2; + *fifo_high = total_fifo_size - burst_size; + } else { + *fifo_low = ovl_fifo_size - burst_size; + *fifo_high = total_fifo_size - buf_unit; + } +} + static void dispc_ovl_set_fir(enum omap_plane plane, int hinc, int vinc, enum omap_color_component color_comp) @@ -1651,6 +1693,7 @@ static unsigned long calc_fclk(enum omap_channel channel, u16 width, u16 height, u16 out_width, u16 out_height) { unsigned int hf, vf; + unsigned long pclk = dispc_mgr_pclk_rate(channel); /* * FIXME how to determine the 'A' factor @@ -1673,13 +1716,16 @@ static unsigned long calc_fclk(enum omap_channel channel, u16 width, if (cpu_is_omap24xx()) { if (vf > 1 && hf > 1) - return dispc_mgr_pclk_rate(channel) * 4; + return pclk * 4; else - return dispc_mgr_pclk_rate(channel) * 2; + return pclk * 2; } else if (cpu_is_omap34xx()) { - return dispc_mgr_pclk_rate(channel) * vf * hf; + return pclk * vf * hf; } else { - return dispc_mgr_pclk_rate(channel) * hf; + if (hf > 1) + return DIV_ROUND_UP(pclk, out_width) * width; + else + return pclk; } } @@ -3293,15 +3339,6 @@ static int omap_dispchw_probe(struct platform_device *pdev) dispc.pdev = pdev; - clk = clk_get(&pdev->dev, "fck"); - if (IS_ERR(clk)) { - DSSERR("can't get fck\n"); - r = PTR_ERR(clk); - goto err_get_clk; - } - - dispc.dss_clk = clk; - spin_lock_init(&dispc.irq_lock); #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS @@ -3314,29 +3351,38 @@ static int omap_dispchw_probe(struct platform_device *pdev) dispc_mem = platform_get_resource(dispc.pdev, IORESOURCE_MEM, 0); if (!dispc_mem) { DSSERR("can't get IORESOURCE_MEM DISPC\n"); - r = -EINVAL; - goto err_ioremap; + return -EINVAL; } - dispc.base = ioremap(dispc_mem->start, resource_size(dispc_mem)); + + dispc.base = devm_ioremap(&pdev->dev, dispc_mem->start, + resource_size(dispc_mem)); if (!dispc.base) { DSSERR("can't ioremap DISPC\n"); - r = -ENOMEM; - goto err_ioremap; + return -ENOMEM; } + dispc.irq = platform_get_irq(dispc.pdev, 0); if (dispc.irq < 0) { DSSERR("platform_get_irq failed\n"); - r = -ENODEV; - goto err_irq; + return -ENODEV; } - r = request_irq(dispc.irq, omap_dispc_irq_handler, IRQF_SHARED, - "OMAP DISPC", dispc.pdev); + r = devm_request_irq(&pdev->dev, dispc.irq, omap_dispc_irq_handler, + IRQF_SHARED, "OMAP DISPC", dispc.pdev); if (r < 0) { DSSERR("request_irq failed\n"); - goto err_irq; + return r; + } + + clk = clk_get(&pdev->dev, "fck"); + if (IS_ERR(clk)) { + DSSERR("can't get fck\n"); + r = PTR_ERR(clk); + return r; } + dispc.dss_clk = clk; + pm_runtime_enable(&pdev->dev); r = dispc_runtime_get(); @@ -3357,12 +3403,7 @@ static int omap_dispchw_probe(struct platform_device *pdev) err_runtime_get: pm_runtime_disable(&pdev->dev); - free_irq(dispc.irq, dispc.pdev); -err_irq: - iounmap(dispc.base); -err_ioremap: clk_put(dispc.dss_clk); -err_get_clk: return r; } @@ -3372,8 +3413,6 @@ static int omap_dispchw_remove(struct platform_device *pdev) clk_put(dispc.dss_clk); - free_irq(dispc.irq, dispc.pdev); - iounmap(dispc.base); return 0; } diff --git a/drivers/video/omap2/dss/dispc_coefs.c b/drivers/video/omap2/dss/dispc_coefs.c index 069bccb..038c15b 100644 --- a/drivers/video/omap2/dss/dispc_coefs.c +++ b/drivers/video/omap2/dss/dispc_coefs.c @@ -19,14 +19,13 @@ #include <linux/kernel.h> #include <video/omapdss.h> -#include "dispc.h" -#define ARRAY_LEN(array) (sizeof(array) / sizeof(array[0])) +#include "dispc.h" static const struct dispc_coef coef3_M8[8] = { { 0, 0, 128, 0, 0 }, { 0, -4, 123, 9, 0 }, - { 0, -4, 108, 87, 0 }, + { 0, -4, 108, 24, 0 }, { 0, -2, 87, 43, 0 }, { 0, 64, 64, 0, 0 }, { 0, 43, 87, -2, 0 }, @@ -168,7 +167,7 @@ static const struct dispc_coef coef5_M8[8] = { static const struct dispc_coef coef5_M9[8] = { { -3, 10, 114, 10, -3 }, - { -6, 24, 110, 0, -1 }, + { -6, 24, 111, 0, -1 }, { -8, 40, 103, -7, 0 }, { -11, 58, 91, -11, 1 }, { 0, -12, 76, 76, -12 }, @@ -319,7 +318,7 @@ const struct dispc_coef *dispc_ovl_get_scale_coef(int inc, int five_taps) }; inc /= 128; - for (i = 0; i < ARRAY_LEN(coefs); ++i) + for (i = 0; i < ARRAY_SIZE(coefs); ++i) if (inc >= coefs[i].Mmin && inc <= coefs[i].Mmax) return five_taps ? coefs[i].coef_5 : coefs[i].coef_3; return NULL; diff --git a/drivers/video/omap2/dss/display.c b/drivers/video/omap2/dss/display.c index be331dc..4424c19 100644 --- a/drivers/video/omap2/dss/display.c +++ b/drivers/video/omap2/dss/display.c @@ -279,16 +279,6 @@ void omapdss_default_get_resolution(struct omap_dss_device *dssdev, } EXPORT_SYMBOL(omapdss_default_get_resolution); -void default_get_overlay_fifo_thresholds(enum omap_plane plane, - u32 fifo_size, u32 burst_size, - u32 *fifo_low, u32 *fifo_high) -{ - unsigned buf_unit = dss_feat_get_buffer_size_unit(); - - *fifo_high = fifo_size - buf_unit; - *fifo_low = fifo_size - burst_size; -} - int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev) { switch (dssdev->type) { diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c index 395d658..faaf305 100644 --- a/drivers/video/omap2/dss/dpi.c +++ b/drivers/video/omap2/dss/dpi.c @@ -180,6 +180,11 @@ int omapdss_dpi_display_enable(struct omap_dss_device *dssdev) { int r; + if (cpu_is_omap34xx() && !dpi.vdds_dsi_reg) { + DSSERR("no VDSS_DSI regulator\n"); + return -ENODEV; + } + if (dssdev->manager == NULL) { DSSERR("failed to enable display: no manager\n"); return -ENODEV; diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index 52f36ec..662d14f 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -4524,14 +4524,6 @@ int omapdss_dsi_enable_te(struct omap_dss_device *dssdev, bool enable) } EXPORT_SYMBOL(omapdss_dsi_enable_te); -void dsi_get_overlay_fifo_thresholds(enum omap_plane plane, - u32 fifo_size, u32 burst_size, - u32 *fifo_low, u32 *fifo_high) -{ - *fifo_high = fifo_size - burst_size; - *fifo_low = fifo_size - burst_size * 2; -} - int dsi_init_display(struct omap_dss_device *dssdev) { struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); @@ -4695,11 +4687,9 @@ static int omap_dsihw_probe(struct platform_device *dsidev) struct resource *dsi_mem; struct dsi_data *dsi; - dsi = kzalloc(sizeof(*dsi), GFP_KERNEL); - if (!dsi) { - r = -ENOMEM; - goto err_alloc; - } + dsi = devm_kzalloc(&dsidev->dev, sizeof(*dsi), GFP_KERNEL); + if (!dsi) + return -ENOMEM; dsi->pdev = dsidev; dsi_pdev_map[dsi_module] = dsidev; @@ -4722,12 +4712,6 @@ static int omap_dsihw_probe(struct platform_device *dsidev) mutex_init(&dsi->lock); sema_init(&dsi->bus_lock, 1); - r = dsi_get_clocks(dsidev); - if (r) - goto err_get_clk; - - pm_runtime_enable(&dsidev->dev); - INIT_DELAYED_WORK_DEFERRABLE(&dsi->framedone_timeout_work, dsi_framedone_timeout_work_callback); @@ -4739,27 +4723,27 @@ static int omap_dsihw_probe(struct platform_device *dsidev) dsi_mem = platform_get_resource(dsi->pdev, IORESOURCE_MEM, 0); if (!dsi_mem) { DSSERR("can't get IORESOURCE_MEM DSI\n"); - r = -EINVAL; - goto err_ioremap; + return -EINVAL; } - dsi->base = ioremap(dsi_mem->start, resource_size(dsi_mem)); + + dsi->base = devm_ioremap(&dsidev->dev, dsi_mem->start, + resource_size(dsi_mem)); if (!dsi->base) { DSSERR("can't ioremap DSI\n"); - r = -ENOMEM; - goto err_ioremap; + return -ENOMEM; } + dsi->irq = platform_get_irq(dsi->pdev, 0); if (dsi->irq < 0) { DSSERR("platform_get_irq failed\n"); - r = -ENODEV; - goto err_get_irq; + return -ENODEV; } - r = request_irq(dsi->irq, omap_dsi_irq_handler, IRQF_SHARED, - dev_name(&dsidev->dev), dsi->pdev); + r = devm_request_irq(&dsidev->dev, dsi->irq, omap_dsi_irq_handler, + IRQF_SHARED, dev_name(&dsidev->dev), dsi->pdev); if (r < 0) { DSSERR("request_irq failed\n"); - goto err_get_irq; + return r; } /* DSI VCs initialization */ @@ -4771,9 +4755,15 @@ static int omap_dsihw_probe(struct platform_device *dsidev) dsi_calc_clock_param_ranges(dsidev); + r = dsi_get_clocks(dsidev); + if (r) + return r; + + pm_runtime_enable(&dsidev->dev); + r = dsi_runtime_get(dsidev); if (r) - goto err_get_dsi; + goto err_runtime_get; rev = dsi_read_reg(dsidev, DSI_REVISION); dev_dbg(&dsidev->dev, "OMAP DSI rev %d.%d\n", @@ -4791,15 +4781,9 @@ static int omap_dsihw_probe(struct platform_device *dsidev) return 0; -err_get_dsi: - free_irq(dsi->irq, dsi->pdev); -err_get_irq: - iounmap(dsi->base); -err_ioremap: +err_runtime_get: pm_runtime_disable(&dsidev->dev); -err_get_clk: - kfree(dsi); -err_alloc: + dsi_put_clocks(dsidev); return r; } @@ -4823,11 +4807,6 @@ static int omap_dsihw_remove(struct platform_device *dsidev) dsi->vdds_dsi_reg = NULL; } - free_irq(dsi->irq, dsi->pdev); - iounmap(dsi->base); - - kfree(dsi); - return 0; } diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c index e6af875..bd2d5e1 100644 --- a/drivers/video/omap2/dss/dss.c +++ b/drivers/video/omap2/dss/dss.c @@ -751,19 +751,19 @@ static int omap_dsshw_probe(struct platform_device *pdev) dss_mem = platform_get_resource(dss.pdev, IORESOURCE_MEM, 0); if (!dss_mem) { DSSERR("can't get IORESOURCE_MEM DSS\n"); - r = -EINVAL; - goto err_ioremap; + return -EINVAL; } - dss.base = ioremap(dss_mem->start, resource_size(dss_mem)); + + dss.base = devm_ioremap(&pdev->dev, dss_mem->start, + resource_size(dss_mem)); if (!dss.base) { DSSERR("can't ioremap DSS\n"); - r = -ENOMEM; - goto err_ioremap; + return -ENOMEM; } r = dss_get_clocks(); if (r) - goto err_clocks; + return r; pm_runtime_enable(&pdev->dev); @@ -811,9 +811,6 @@ err_dpi: err_runtime_get: pm_runtime_disable(&pdev->dev); dss_put_clocks(); -err_clocks: - iounmap(dss.base); -err_ioremap: return r; } @@ -822,8 +819,6 @@ static int omap_dsshw_remove(struct platform_device *pdev) dpi_exit(); sdi_exit(); - iounmap(dss.base); - pm_runtime_disable(&pdev->dev); dss_put_clocks(); diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h index 32ff69f..d4b3dff 100644 --- a/drivers/video/omap2/dss/dss.h +++ b/drivers/video/omap2/dss/dss.h @@ -202,9 +202,6 @@ void dss_uninit_device(struct platform_device *pdev, struct omap_dss_device *dssdev); bool dss_use_replication(struct omap_dss_device *dssdev, enum omap_color_mode mode); -void default_get_overlay_fifo_thresholds(enum omap_plane plane, - u32 fifo_size, u32 burst_size, - u32 *fifo_low, u32 *fifo_high); /* manager */ int dss_init_overlay_managers(struct platform_device *pdev); @@ -313,9 +310,6 @@ int dsi_pll_calc_clock_div_pck(struct platform_device *dsidev, bool is_tft, int dsi_pll_init(struct platform_device *dsidev, bool enable_hsclk, bool enable_hsdiv); void dsi_pll_uninit(struct platform_device *dsidev, bool disconnect_lanes); -void dsi_get_overlay_fifo_thresholds(enum omap_plane plane, - u32 fifo_size, u32 burst_size, - u32 *fifo_low, u32 *fifo_high); void dsi_wait_pll_hsdiv_dispc_active(struct platform_device *dsidev); void dsi_wait_pll_hsdiv_dsi_active(struct platform_device *dsidev); struct platform_device *dsi_get_dsidev_from_id(int module); @@ -429,8 +423,8 @@ int dispc_calc_clock_rates(unsigned long dispc_fclk_rate, void dispc_ovl_set_fifo_threshold(enum omap_plane plane, u32 low, u32 high); -u32 dispc_ovl_get_fifo_size(enum omap_plane plane); -u32 dispc_ovl_get_burst_size(enum omap_plane plane); +void dispc_ovl_compute_fifo_thresholds(enum omap_plane plane, + u32 *fifo_low, u32 *fifo_high, bool use_fifomerge); int dispc_ovl_setup(enum omap_plane plane, struct omap_overlay_info *oi, bool ilace, bool replication); int dispc_ovl_enable(enum omap_plane plane, bool enable); diff --git a/drivers/video/omap2/dss/dss_features.c b/drivers/video/omap2/dss/dss_features.c index afcb593..ce14aa6 100644 --- a/drivers/video/omap2/dss/dss_features.c +++ b/drivers/video/omap2/dss/dss_features.c @@ -41,7 +41,8 @@ struct omap_dss_features { const struct dss_reg_field *reg_fields; const int num_reg_fields; - const u32 has_feature; + const enum dss_feat_id *features; + const int num_features; const int num_mgrs; const int num_ovls; @@ -189,7 +190,8 @@ static const enum omap_color_mode omap4_dss_supported_color_modes[] = { OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32 | - OMAP_DSS_COLOR_ARGB16_1555, + OMAP_DSS_COLOR_ARGB16_1555 | OMAP_DSS_COLOR_RGBX16 | + OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_XRGB16_1555, /* OMAP_DSS_VIDEO1 */ OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U | @@ -337,15 +339,110 @@ static const struct dss_param_range omap4_dss_param_range[] = { [FEAT_PARAM_LINEWIDTH] = { 1, 2048 }, }; +static const enum dss_feat_id omap2_dss_feat_list[] = { + FEAT_LCDENABLEPOL, + FEAT_LCDENABLESIGNAL, + FEAT_PCKFREEENABLE, + FEAT_FUNCGATED, + FEAT_ROWREPEATENABLE, + FEAT_RESIZECONF, +}; + +static const enum dss_feat_id omap3430_dss_feat_list[] = { + FEAT_LCDENABLEPOL, + FEAT_LCDENABLESIGNAL, + FEAT_PCKFREEENABLE, + FEAT_FUNCGATED, + FEAT_LINEBUFFERSPLIT, + FEAT_ROWREPEATENABLE, + FEAT_RESIZECONF, + FEAT_DSI_PLL_FREQSEL, + FEAT_DSI_REVERSE_TXCLKESC, + FEAT_VENC_REQUIRES_TV_DAC_CLK, + FEAT_CPR, + FEAT_PRELOAD, + FEAT_FIR_COEF_V, + FEAT_ALPHA_FIXED_ZORDER, + FEAT_FIFO_MERGE, + FEAT_OMAP3_DSI_FIFO_BUG, +}; + +static const enum dss_feat_id omap3630_dss_feat_list[] = { + FEAT_LCDENABLEPOL, + FEAT_LCDENABLESIGNAL, + FEAT_PCKFREEENABLE, + FEAT_FUNCGATED, + FEAT_LINEBUFFERSPLIT, + FEAT_ROWREPEATENABLE, + FEAT_RESIZECONF, + FEAT_DSI_PLL_PWR_BUG, + FEAT_DSI_PLL_FREQSEL, + FEAT_CPR, + FEAT_PRELOAD, + FEAT_FIR_COEF_V, + FEAT_ALPHA_FIXED_ZORDER, + FEAT_FIFO_MERGE, + FEAT_OMAP3_DSI_FIFO_BUG, +}; + +static const enum dss_feat_id omap4430_es1_0_dss_feat_list[] = { + FEAT_MGR_LCD2, + FEAT_CORE_CLK_DIV, + FEAT_LCD_CLK_SRC, + FEAT_DSI_DCS_CMD_CONFIG_VC, + FEAT_DSI_VC_OCP_WIDTH, + FEAT_DSI_GNQ, + FEAT_HANDLE_UV_SEPARATE, + FEAT_ATTR2, + FEAT_CPR, + FEAT_PRELOAD, + FEAT_FIR_COEF_V, + FEAT_ALPHA_FREE_ZORDER, + FEAT_FIFO_MERGE, +}; + +static const enum dss_feat_id omap4430_es2_0_1_2_dss_feat_list[] = { + FEAT_MGR_LCD2, + FEAT_CORE_CLK_DIV, + FEAT_LCD_CLK_SRC, + FEAT_DSI_DCS_CMD_CONFIG_VC, + FEAT_DSI_VC_OCP_WIDTH, + FEAT_DSI_GNQ, + FEAT_HDMI_CTS_SWMODE, + FEAT_HANDLE_UV_SEPARATE, + FEAT_ATTR2, + FEAT_CPR, + FEAT_PRELOAD, + FEAT_FIR_COEF_V, + FEAT_ALPHA_FREE_ZORDER, + FEAT_FIFO_MERGE, +}; + +static const enum dss_feat_id omap4_dss_feat_list[] = { + FEAT_MGR_LCD2, + FEAT_CORE_CLK_DIV, + FEAT_LCD_CLK_SRC, + FEAT_DSI_DCS_CMD_CONFIG_VC, + FEAT_DSI_VC_OCP_WIDTH, + FEAT_DSI_GNQ, + FEAT_HDMI_CTS_SWMODE, + FEAT_HDMI_AUDIO_USE_MCLK, + FEAT_HANDLE_UV_SEPARATE, + FEAT_ATTR2, + FEAT_CPR, + FEAT_PRELOAD, + FEAT_FIR_COEF_V, + FEAT_ALPHA_FREE_ZORDER, + FEAT_FIFO_MERGE, +}; + /* OMAP2 DSS Features */ static const struct omap_dss_features omap2_dss_features = { .reg_fields = omap2_dss_reg_fields, .num_reg_fields = ARRAY_SIZE(omap2_dss_reg_fields), - .has_feature = - FEAT_LCDENABLEPOL | FEAT_LCDENABLESIGNAL | - FEAT_PCKFREEENABLE | FEAT_FUNCGATED | - FEAT_ROWREPEATENABLE | FEAT_RESIZECONF, + .features = omap2_dss_feat_list, + .num_features = ARRAY_SIZE(omap2_dss_feat_list), .num_mgrs = 2, .num_ovls = 3, @@ -363,14 +460,8 @@ static const struct omap_dss_features omap3430_dss_features = { .reg_fields = omap3_dss_reg_fields, .num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields), - .has_feature = - FEAT_LCDENABLEPOL | - FEAT_LCDENABLESIGNAL | FEAT_PCKFREEENABLE | - FEAT_FUNCGATED | FEAT_ROWREPEATENABLE | - FEAT_LINEBUFFERSPLIT | FEAT_RESIZECONF | - FEAT_DSI_PLL_FREQSEL | FEAT_DSI_REVERSE_TXCLKESC | - FEAT_VENC_REQUIRES_TV_DAC_CLK | FEAT_CPR | FEAT_PRELOAD | - FEAT_FIR_COEF_V | FEAT_ALPHA_FIXED_ZORDER, + .features = omap3430_dss_feat_list, + .num_features = ARRAY_SIZE(omap3430_dss_feat_list), .num_mgrs = 2, .num_ovls = 3, @@ -387,14 +478,8 @@ static const struct omap_dss_features omap3630_dss_features = { .reg_fields = omap3_dss_reg_fields, .num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields), - .has_feature = - FEAT_LCDENABLEPOL | - FEAT_LCDENABLESIGNAL | FEAT_PCKFREEENABLE | - FEAT_FUNCGATED | - FEAT_ROWREPEATENABLE | FEAT_LINEBUFFERSPLIT | - FEAT_RESIZECONF | FEAT_DSI_PLL_PWR_BUG | - FEAT_DSI_PLL_FREQSEL | FEAT_CPR | FEAT_PRELOAD | - FEAT_FIR_COEF_V | FEAT_ALPHA_FIXED_ZORDER, + .features = omap3630_dss_feat_list, + .num_features = ARRAY_SIZE(omap3630_dss_feat_list), .num_mgrs = 2, .num_ovls = 3, @@ -413,13 +498,27 @@ static const struct omap_dss_features omap4430_es1_0_dss_features = { .reg_fields = omap4_dss_reg_fields, .num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields), - .has_feature = - FEAT_MGR_LCD2 | - FEAT_CORE_CLK_DIV | FEAT_LCD_CLK_SRC | - FEAT_DSI_DCS_CMD_CONFIG_VC | FEAT_DSI_VC_OCP_WIDTH | - FEAT_DSI_GNQ | FEAT_HANDLE_UV_SEPARATE | FEAT_ATTR2 | - FEAT_CPR | FEAT_PRELOAD | FEAT_FIR_COEF_V | - FEAT_ALPHA_FREE_ZORDER, + .features = omap4430_es1_0_dss_feat_list, + .num_features = ARRAY_SIZE(omap4430_es1_0_dss_feat_list), + + .num_mgrs = 3, + .num_ovls = 4, + .supported_displays = omap4_dss_supported_displays, + .supported_color_modes = omap4_dss_supported_color_modes, + .overlay_caps = omap4_dss_overlay_caps, + .clksrc_names = omap4_dss_clk_source_names, + .dss_params = omap4_dss_param_range, + .buffer_size_unit = 16, + .burst_size_unit = 16, +}; + +/* For OMAP4430 ES 2.0, 2.1 and 2.2 revisions */ +static const struct omap_dss_features omap4430_es2_0_1_2_dss_features = { + .reg_fields = omap4_dss_reg_fields, + .num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields), + + .features = omap4430_es2_0_1_2_dss_feat_list, + .num_features = ARRAY_SIZE(omap4430_es2_0_1_2_dss_feat_list), .num_mgrs = 3, .num_ovls = 4, @@ -437,13 +536,8 @@ static const struct omap_dss_features omap4_dss_features = { .reg_fields = omap4_dss_reg_fields, .num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields), - .has_feature = - FEAT_MGR_LCD2 | - FEAT_CORE_CLK_DIV | FEAT_LCD_CLK_SRC | - FEAT_DSI_DCS_CMD_CONFIG_VC | FEAT_DSI_VC_OCP_WIDTH | - FEAT_DSI_GNQ | FEAT_HDMI_CTS_SWMODE | - FEAT_HANDLE_UV_SEPARATE | FEAT_ATTR2 | FEAT_CPR | - FEAT_PRELOAD | FEAT_FIR_COEF_V | FEAT_ALPHA_FREE_ZORDER, + .features = omap4_dss_feat_list, + .num_features = ARRAY_SIZE(omap4_dss_feat_list), .num_mgrs = 3, .num_ovls = 4, @@ -547,7 +641,16 @@ u32 dss_feat_get_burst_size_unit(void) /* DSS has_feature check */ bool dss_has_feature(enum dss_feat_id id) { - return omap_current_dss_features->has_feature & id; + int i; + const enum dss_feat_id *features = omap_current_dss_features->features; + const int num_features = omap_current_dss_features->num_features; + + for (i = 0; i < num_features; i++) { + if (features[i] == id) + return true; + } + + return false; } void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end) @@ -569,6 +672,10 @@ void dss_features_init(void) omap_current_dss_features = &omap3430_dss_features; else if (omap_rev() == OMAP4430_REV_ES1_0) omap_current_dss_features = &omap4430_es1_0_dss_features; + else if (omap_rev() == OMAP4430_REV_ES2_0 || + omap_rev() == OMAP4430_REV_ES2_1 || + omap_rev() == OMAP4430_REV_ES2_2) + omap_current_dss_features = &omap4430_es2_0_1_2_dss_features; else if (cpu_is_omap44xx()) omap_current_dss_features = &omap4_dss_features; else diff --git a/drivers/video/omap2/dss/dss_features.h b/drivers/video/omap2/dss/dss_features.h index cd833bb..c332e7d 100644 --- a/drivers/video/omap2/dss/dss_features.h +++ b/drivers/video/omap2/dss/dss_features.h @@ -31,33 +31,37 @@ /* DSS has feature id */ enum dss_feat_id { - FEAT_LCDENABLEPOL = 1 << 3, - FEAT_LCDENABLESIGNAL = 1 << 4, - FEAT_PCKFREEENABLE = 1 << 5, - FEAT_FUNCGATED = 1 << 6, - FEAT_MGR_LCD2 = 1 << 7, - FEAT_LINEBUFFERSPLIT = 1 << 8, - FEAT_ROWREPEATENABLE = 1 << 9, - FEAT_RESIZECONF = 1 << 10, + FEAT_LCDENABLEPOL, + FEAT_LCDENABLESIGNAL, + FEAT_PCKFREEENABLE, + FEAT_FUNCGATED, + FEAT_MGR_LCD2, + FEAT_LINEBUFFERSPLIT, + FEAT_ROWREPEATENABLE, + FEAT_RESIZECONF, /* Independent core clk divider */ - FEAT_CORE_CLK_DIV = 1 << 11, - FEAT_LCD_CLK_SRC = 1 << 12, + FEAT_CORE_CLK_DIV, + FEAT_LCD_CLK_SRC, /* DSI-PLL power command 0x3 is not working */ - FEAT_DSI_PLL_PWR_BUG = 1 << 13, - FEAT_DSI_PLL_FREQSEL = 1 << 14, - FEAT_DSI_DCS_CMD_CONFIG_VC = 1 << 15, - FEAT_DSI_VC_OCP_WIDTH = 1 << 16, - FEAT_DSI_REVERSE_TXCLKESC = 1 << 17, - FEAT_DSI_GNQ = 1 << 18, - FEAT_HDMI_CTS_SWMODE = 1 << 19, - FEAT_HANDLE_UV_SEPARATE = 1 << 20, - FEAT_ATTR2 = 1 << 21, - FEAT_VENC_REQUIRES_TV_DAC_CLK = 1 << 22, - FEAT_CPR = 1 << 23, - FEAT_PRELOAD = 1 << 24, - FEAT_FIR_COEF_V = 1 << 25, - FEAT_ALPHA_FIXED_ZORDER = 1 << 26, - FEAT_ALPHA_FREE_ZORDER = 1 << 27, + FEAT_DSI_PLL_PWR_BUG, + FEAT_DSI_PLL_FREQSEL, + FEAT_DSI_DCS_CMD_CONFIG_VC, + FEAT_DSI_VC_OCP_WIDTH, + FEAT_DSI_REVERSE_TXCLKESC, + FEAT_DSI_GNQ, + FEAT_HDMI_CTS_SWMODE, + FEAT_HDMI_AUDIO_USE_MCLK, + FEAT_HANDLE_UV_SEPARATE, + FEAT_ATTR2, + FEAT_VENC_REQUIRES_TV_DAC_CLK, + FEAT_CPR, + FEAT_PRELOAD, + FEAT_FIR_COEF_V, + FEAT_ALPHA_FIXED_ZORDER, + FEAT_ALPHA_FREE_ZORDER, + FEAT_FIFO_MERGE, + /* An unknown HW bug causing the normal FIFO thresholds not to work */ + FEAT_OMAP3_DSI_FIFO_BUG, }; /* DSS register field id */ diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c index d7aa3b0..c4b4f69 100644 --- a/drivers/video/omap2/dss/hdmi.c +++ b/drivers/video/omap2/dss/hdmi.c @@ -58,8 +58,6 @@ #define EDID_SIZE_BLOCK0_TIMING_DESCRIPTOR 4 #define EDID_SIZE_BLOCK1_TIMING_DESCRIPTOR 4 -#define OMAP_HDMI_TIMINGS_NB 34 - #define HDMI_DEFAULT_REGN 16 #define HDMI_DEFAULT_REGM2 1 @@ -68,8 +66,6 @@ static struct { struct omap_display_platform_data *pdata; struct platform_device *pdev; struct hdmi_ip_data ip_data; - int code; - int mode; struct clk *sys_clk; } hdmi; @@ -88,86 +84,71 @@ static struct { * map it to corresponding CEA or VESA index. */ -static const struct hdmi_timings cea_vesa_timings[OMAP_HDMI_TIMINGS_NB] = { - { {640, 480, 25200, 96, 16, 48, 2, 10, 33} , 0 , 0}, - { {1280, 720, 74250, 40, 440, 220, 5, 5, 20}, 1, 1}, - { {1280, 720, 74250, 40, 110, 220, 5, 5, 20}, 1, 1}, - { {720, 480, 27027, 62, 16, 60, 6, 9, 30}, 0, 0}, - { {2880, 576, 108000, 256, 48, 272, 5, 5, 39}, 0, 0}, - { {1440, 240, 27027, 124, 38, 114, 3, 4, 15}, 0, 0}, - { {1440, 288, 27000, 126, 24, 138, 3, 2, 19}, 0, 0}, - { {1920, 540, 74250, 44, 528, 148, 5, 2, 15}, 1, 1}, - { {1920, 540, 74250, 44, 88, 148, 5, 2, 15}, 1, 1}, - { {1920, 1080, 148500, 44, 88, 148, 5, 4, 36}, 1, 1}, - { {720, 576, 27000, 64, 12, 68, 5, 5, 39}, 0, 0}, - { {1440, 576, 54000, 128, 24, 136, 5, 5, 39}, 0, 0}, - { {1920, 1080, 148500, 44, 528, 148, 5, 4, 36}, 1, 1}, - { {2880, 480, 108108, 248, 64, 240, 6, 9, 30}, 0, 0}, - { {1920, 1080, 74250, 44, 638, 148, 5, 4, 36}, 1, 1}, - /* VESA From Here */ - { {640, 480, 25175, 96, 16, 48, 2 , 11, 31}, 0, 0}, - { {800, 600, 40000, 128, 40, 88, 4 , 1, 23}, 1, 1}, - { {848, 480, 33750, 112, 16, 112, 8 , 6, 23}, 1, 1}, - { {1280, 768, 79500, 128, 64, 192, 7 , 3, 20}, 1, 0}, - { {1280, 800, 83500, 128, 72, 200, 6 , 3, 22}, 1, 0}, - { {1360, 768, 85500, 112, 64, 256, 6 , 3, 18}, 1, 1}, - { {1280, 960, 108000, 112, 96, 312, 3 , 1, 36}, 1, 1}, - { {1280, 1024, 108000, 112, 48, 248, 3 , 1, 38}, 1, 1}, - { {1024, 768, 65000, 136, 24, 160, 6, 3, 29}, 0, 0}, - { {1400, 1050, 121750, 144, 88, 232, 4, 3, 32}, 1, 0}, - { {1440, 900, 106500, 152, 80, 232, 6, 3, 25}, 1, 0}, - { {1680, 1050, 146250, 176 , 104, 280, 6, 3, 30}, 1, 0}, - { {1366, 768, 85500, 143, 70, 213, 3, 3, 24}, 1, 1}, - { {1920, 1080, 148500, 44, 148, 80, 5, 4, 36}, 1, 1}, - { {1280, 768, 68250, 32, 48, 80, 7, 3, 12}, 0, 1}, - { {1400, 1050, 101000, 32, 48, 80, 4, 3, 23}, 0, 1}, - { {1680, 1050, 119000, 32, 48, 80, 6, 3, 21}, 0, 1}, - { {1280, 800, 79500, 32, 48, 80, 6, 3, 14}, 0, 1}, - { {1280, 720, 74250, 40, 110, 220, 5, 5, 20}, 1, 1} -}; - -/* - * This is a static mapping array which maps the timing values - * with corresponding CEA / VESA code - */ -static const int code_index[OMAP_HDMI_TIMINGS_NB] = { - 1, 19, 4, 2, 37, 6, 21, 20, 5, 16, 17, 29, 31, 35, 32, - /* <--15 CEA 17--> vesa*/ - 4, 9, 0xE, 0x17, 0x1C, 0x27, 0x20, 0x23, 0x10, 0x2A, - 0X2F, 0x3A, 0X51, 0X52, 0x16, 0x29, 0x39, 0x1B +static const struct hdmi_config cea_timings[] = { +{ {640, 480, 25200, 96, 16, 48, 2, 10, 33, 0, 0, 0}, {1, HDMI_HDMI} }, +{ {720, 480, 27027, 62, 16, 60, 6, 9, 30, 0, 0, 0}, {2, HDMI_HDMI} }, +{ {1280, 720, 74250, 40, 110, 220, 5, 5, 20, 1, 1, 0}, {4, HDMI_HDMI} }, +{ {1920, 540, 74250, 44, 88, 148, 5, 2, 15, 1, 1, 1}, {5, HDMI_HDMI} }, +{ {1440, 240, 27027, 124, 38, 114, 3, 4, 15, 0, 0, 1}, {6, HDMI_HDMI} }, +{ {1920, 1080, 148500, 44, 88, 148, 5, 4, 36, 1, 1, 0}, {16, HDMI_HDMI} }, +{ {720, 576, 27000, 64, 12, 68, 5, 5, 39, 0, 0, 0}, {17, HDMI_HDMI} }, +{ {1280, 720, 74250, 40, 440, 220, 5, 5, 20, 1, 1, 0}, {19, HDMI_HDMI} }, +{ {1920, 540, 74250, 44, 528, 148, 5, 2, 15, 1, 1, 1}, {20, HDMI_HDMI} }, +{ {1440, 288, 27000, 126, 24, 138, 3, 2, 19, 0, 0, 1}, {21, HDMI_HDMI} }, +{ {1440, 576, 54000, 128, 24, 136, 5, 5, 39, 0, 0, 0}, {29, HDMI_HDMI} }, +{ {1920, 1080, 148500, 44, 528, 148, 5, 4, 36, 1, 1, 0}, {31, HDMI_HDMI} }, +{ {1920, 1080, 74250, 44, 638, 148, 5, 4, 36, 1, 1, 0}, {32, HDMI_HDMI} }, +{ {2880, 480, 108108, 248, 64, 240, 6, 9, 30, 0, 0, 0}, {35, HDMI_HDMI} }, +{ {2880, 576, 108000, 256, 48, 272, 5, 5, 39, 0, 0, 0}, {37, HDMI_HDMI} }, }; - -/* - * This is reverse static mapping which maps the CEA / VESA code - * to the corresponding timing values - */ -static const int code_cea[39] = { - -1, 0, 3, 3, 2, 8, 5, 5, -1, -1, - -1, -1, -1, -1, -1, -1, 9, 10, 10, 1, - 7, 6, 6, -1, -1, -1, -1, -1, -1, 11, - 11, 12, 14, -1, -1, 13, 13, 4, 4 +static const struct hdmi_config vesa_timings[] = { +/* VESA From Here */ +{ {640, 480, 25175, 96, 16, 48, 2 , 11, 31, 0, 0, 0}, {4, HDMI_DVI} }, +{ {800, 600, 40000, 128, 40, 88, 4 , 1, 23, 1, 1, 0}, {9, HDMI_DVI} }, +{ {848, 480, 33750, 112, 16, 112, 8 , 6, 23, 1, 1, 0}, {0xE, HDMI_DVI} }, +{ {1280, 768, 79500, 128, 64, 192, 7 , 3, 20, 1, 0, 0}, {0x17, HDMI_DVI} }, +{ {1280, 800, 83500, 128, 72, 200, 6 , 3, 22, 1, 0, 0}, {0x1C, HDMI_DVI} }, +{ {1360, 768, 85500, 112, 64, 256, 6 , 3, 18, 1, 1, 0}, {0x27, HDMI_DVI} }, +{ {1280, 960, 108000, 112, 96, 312, 3 , 1, 36, 1, 1, 0}, {0x20, HDMI_DVI} }, +{ {1280, 1024, 108000, 112, 48, 248, 3 , 1, 38, 1, 1, 0}, {0x23, HDMI_DVI} }, +{ {1024, 768, 65000, 136, 24, 160, 6, 3, 29, 0, 0, 0}, {0x10, HDMI_DVI} }, +{ {1400, 1050, 121750, 144, 88, 232, 4, 3, 32, 1, 0, 0}, {0x2A, HDMI_DVI} }, +{ {1440, 900, 106500, 152, 80, 232, 6, 3, 25, 1, 0, 0}, {0x2F, HDMI_DVI} }, +{ {1680, 1050, 146250, 176 , 104, 280, 6, 3, 30, 1, 0, 0}, {0x3A, HDMI_DVI} }, +{ {1366, 768, 85500, 143, 70, 213, 3, 3, 24, 1, 1, 0}, {0x51, HDMI_DVI} }, +{ {1920, 1080, 148500, 44, 148, 80, 5, 4, 36, 1, 1, 0}, {0x52, HDMI_DVI} }, +{ {1280, 768, 68250, 32, 48, 80, 7, 3, 12, 0, 1, 0}, {0x16, HDMI_DVI} }, +{ {1400, 1050, 101000, 32, 48, 80, 4, 3, 23, 0, 1, 0}, {0x29, HDMI_DVI} }, +{ {1680, 1050, 119000, 32, 48, 80, 6, 3, 21, 0, 1, 0}, {0x39, HDMI_DVI} }, +{ {1280, 800, 79500, 32, 48, 80, 6, 3, 14, 0, 1, 0}, {0x1B, HDMI_DVI} }, +{ {1280, 720, 74250, 40, 110, 220, 5, 5, 20, 1, 1, 0}, {0x55, HDMI_DVI} } }; -static const int code_vesa[85] = { - -1, -1, -1, -1, 15, -1, -1, -1, -1, 16, - -1, -1, -1, -1, 17, -1, 23, -1, -1, -1, - -1, -1, 29, 18, -1, -1, -1, 32, 19, -1, - -1, -1, 21, -1, -1, 22, -1, -1, -1, 20, - -1, 30, 24, -1, -1, -1, -1, 25, -1, -1, - -1, -1, -1, -1, -1, -1, -1, 31, 26, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, 27, 28, -1, 33}; - static int hdmi_runtime_get(void) { int r; DSSDBG("hdmi_runtime_get\n"); + /* + * HACK: Add dss_runtime_get() to ensure DSS clock domain is enabled. + * This should be removed later. + */ + r = dss_runtime_get(); + if (r < 0) + goto err_get_dss; + r = pm_runtime_get_sync(&hdmi.pdev->dev); WARN_ON(r < 0); - return r < 0 ? r : 0; + if (r < 0) + goto err_get_hdmi; + + return 0; + +err_get_hdmi: + dss_runtime_put(); +err_get_dss: + return r; } static void hdmi_runtime_put(void) @@ -178,6 +159,12 @@ static void hdmi_runtime_put(void) r = pm_runtime_put_sync(&hdmi.pdev->dev); WARN_ON(r < 0); + + /* + * HACK: This is added to complement the dss_runtime_get() call in + * hdmi_runtime_get(). This should be removed later. + */ + dss_runtime_put(); } int hdmi_init_display(struct omap_dss_device *dssdev) @@ -188,88 +175,89 @@ int hdmi_init_display(struct omap_dss_device *dssdev) return 0; } -static int get_timings_index(void) +static const struct hdmi_config *hdmi_find_timing( + const struct hdmi_config *timings_arr, + int len) { - int code; + int i; - if (hdmi.mode == 0) - code = code_vesa[hdmi.code]; - else - code = code_cea[hdmi.code]; + for (i = 0; i < len; i++) { + if (timings_arr[i].cm.code == hdmi.ip_data.cfg.cm.code) + return &timings_arr[i]; + } + return NULL; +} - if (code == -1) { - /* HDMI code 4 corresponds to 640 * 480 VGA */ - hdmi.code = 4; - /* DVI mode 1 corresponds to HDMI 0 to DVI */ - hdmi.mode = HDMI_DVI; +static const struct hdmi_config *hdmi_get_timings(void) +{ + const struct hdmi_config *arr; + int len; + + if (hdmi.ip_data.cfg.cm.mode == HDMI_DVI) { + arr = vesa_timings; + len = ARRAY_SIZE(vesa_timings); + } else { + arr = cea_timings; + len = ARRAY_SIZE(cea_timings); + } + + return hdmi_find_timing(arr, len); +} + +static bool hdmi_timings_compare(struct omap_video_timings *timing1, + const struct hdmi_video_timings *timing2) +{ + int timing1_vsync, timing1_hsync, timing2_vsync, timing2_hsync; - code = code_vesa[hdmi.code]; + if ((timing2->pixel_clock == timing1->pixel_clock) && + (timing2->x_res == timing1->x_res) && + (timing2->y_res == timing1->y_res)) { + + timing2_hsync = timing2->hfp + timing2->hsw + timing2->hbp; + timing1_hsync = timing1->hfp + timing1->hsw + timing1->hbp; + timing2_vsync = timing2->vfp + timing2->vsw + timing2->vbp; + timing1_vsync = timing2->vfp + timing2->vsw + timing2->vbp; + + DSSDBG("timing1_hsync = %d timing1_vsync = %d"\ + "timing2_hsync = %d timing2_vsync = %d\n", + timing1_hsync, timing1_vsync, + timing2_hsync, timing2_vsync); + + if ((timing1_hsync == timing2_hsync) && + (timing1_vsync == timing2_vsync)) { + return true; + } } - return code; + return false; } static struct hdmi_cm hdmi_get_code(struct omap_video_timings *timing) { - int i = 0, code = -1, temp_vsync = 0, temp_hsync = 0; - int timing_vsync = 0, timing_hsync = 0; - struct hdmi_video_timings temp; + int i; struct hdmi_cm cm = {-1}; DSSDBG("hdmi_get_code\n"); - for (i = 0; i < OMAP_HDMI_TIMINGS_NB; i++) { - temp = cea_vesa_timings[i].timings; - if ((temp.pixel_clock == timing->pixel_clock) && - (temp.x_res == timing->x_res) && - (temp.y_res == timing->y_res)) { - - temp_hsync = temp.hfp + temp.hsw + temp.hbp; - timing_hsync = timing->hfp + timing->hsw + timing->hbp; - temp_vsync = temp.vfp + temp.vsw + temp.vbp; - timing_vsync = timing->vfp + timing->vsw + timing->vbp; - - DSSDBG("temp_hsync = %d , temp_vsync = %d" - "timing_hsync = %d, timing_vsync = %d\n", - temp_hsync, temp_hsync, - timing_hsync, timing_vsync); - - if ((temp_hsync == timing_hsync) && - (temp_vsync == timing_vsync)) { - code = i; - cm.code = code_index[i]; - if (code < 14) - cm.mode = HDMI_HDMI; - else - cm.mode = HDMI_DVI; - DSSDBG("Hdmi_code = %d mode = %d\n", - cm.code, cm.mode); - break; - } + for (i = 0; i < ARRAY_SIZE(cea_timings); i++) { + if (hdmi_timings_compare(timing, &cea_timings[i].timings)) { + cm = cea_timings[i].cm; + goto end; + } + } + for (i = 0; i < ARRAY_SIZE(vesa_timings); i++) { + if (hdmi_timings_compare(timing, &vesa_timings[i].timings)) { + cm = vesa_timings[i].cm; + goto end; } } - return cm; -} +end: return cm; -static void update_hdmi_timings(struct hdmi_config *cfg, - struct omap_video_timings *timings, int code) -{ - cfg->timings.timings.x_res = timings->x_res; - cfg->timings.timings.y_res = timings->y_res; - cfg->timings.timings.hbp = timings->hbp; - cfg->timings.timings.hfp = timings->hfp; - cfg->timings.timings.hsw = timings->hsw; - cfg->timings.timings.vbp = timings->vbp; - cfg->timings.timings.vfp = timings->vfp; - cfg->timings.timings.vsw = timings->vsw; - cfg->timings.timings.pixel_clock = timings->pixel_clock; - cfg->timings.vsync_pol = cea_vesa_timings[code].vsync_pol; - cfg->timings.hsync_pol = cea_vesa_timings[code].hsync_pol; } unsigned long hdmi_get_pixel_clock(void) { /* HDMI Pixel Clock in Mhz */ - return hdmi.ip_data.cfg.timings.timings.pixel_clock * 1000; + return hdmi.ip_data.cfg.timings.pixel_clock * 1000; } static void hdmi_compute_pll(struct omap_dss_device *dssdev, int phy, @@ -290,24 +278,24 @@ static void hdmi_compute_pll(struct omap_dss_device *dssdev, int phy, refclk = clkin / pi->regn; - /* - * multiplier is pixel_clk/ref_clk - * Multiplying by 100 to avoid fractional part removal - */ - pi->regm = (phy * 100 / (refclk)) / 100; - if (dssdev->clocks.hdmi.regm2 == 0) pi->regm2 = HDMI_DEFAULT_REGM2; else pi->regm2 = dssdev->clocks.hdmi.regm2; /* + * multiplier is pixel_clk/ref_clk + * Multiplying by 100 to avoid fractional part removal + */ + pi->regm = phy * pi->regm2 / refclk; + + /* * fractional multiplier is remainder of the difference between * multiplier and actual phy(required pixel clock thus should be * multiplied by 2^18(262144) divided by the reference clock */ - mf = (phy - pi->regm * refclk) * 262144; - pi->regmf = mf / (refclk); + mf = (phy - pi->regm / pi->regm2 * refclk) * 262144; + pi->regmf = pi->regm2 * mf / refclk; /* * Dcofreq should be set to 1 if required pixel clock @@ -325,7 +313,8 @@ static void hdmi_compute_pll(struct omap_dss_device *dssdev, int phy, static int hdmi_power_on(struct omap_dss_device *dssdev) { - int r, code = 0; + int r; + const struct hdmi_config *timing; struct omap_video_timings *p; unsigned long phy; @@ -341,9 +330,16 @@ static int hdmi_power_on(struct omap_dss_device *dssdev) dssdev->panel.timings.x_res, dssdev->panel.timings.y_res); - code = get_timings_index(); - update_hdmi_timings(&hdmi.ip_data.cfg, p, code); - + timing = hdmi_get_timings(); + if (timing == NULL) { + /* HDMI code 4 corresponds to 640 * 480 VGA */ + hdmi.ip_data.cfg.cm.code = 4; + /* DVI mode 1 corresponds to HDMI 0 to DVI */ + hdmi.ip_data.cfg.cm.mode = HDMI_DVI; + hdmi.ip_data.cfg = vesa_timings[0]; + } else { + hdmi.ip_data.cfg = *timing; + } phy = p->pixel_clock; hdmi_compute_pll(dssdev, phy, &hdmi.ip_data.pll_data); @@ -363,8 +359,6 @@ static int hdmi_power_on(struct omap_dss_device *dssdev) goto err; } - hdmi.ip_data.cfg.cm.mode = hdmi.mode; - hdmi.ip_data.cfg.cm.code = hdmi.code; hdmi.ip_data.ops->video_configure(&hdmi.ip_data); /* Make selection of HDMI in DSS */ @@ -431,8 +425,8 @@ void omapdss_hdmi_display_set_timing(struct omap_dss_device *dssdev) struct hdmi_cm cm; cm = hdmi_get_code(&dssdev->panel.timings); - hdmi.code = cm.code; - hdmi.mode = cm.mode; + hdmi.ip_data.cfg.cm.code = cm.code; + hdmi.ip_data.cfg.cm.mode = cm.mode; if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) { int r; @@ -695,13 +689,15 @@ static int hdmi_audio_hw_params(struct snd_pcm_substream *substream, if (dss_has_feature(FEAT_HDMI_CTS_SWMODE)) { core_cfg.aud_par_busclk = 0; core_cfg.cts_mode = HDMI_AUDIO_CTS_MODE_SW; - core_cfg.use_mclk = false; + core_cfg.use_mclk = dss_has_feature(FEAT_HDMI_AUDIO_USE_MCLK); } else { core_cfg.aud_par_busclk = (((128 * 31) - 1) << 8); core_cfg.cts_mode = HDMI_AUDIO_CTS_MODE_HW; core_cfg.use_mclk = true; - core_cfg.mclk_mode = HDMI_AUDIO_MCLK_128FS; } + + if (core_cfg.use_mclk) + core_cfg.mclk_mode = HDMI_AUDIO_MCLK_128FS; core_cfg.layout = HDMI_AUDIO_LAYOUT_2CH; core_cfg.en_spdif = false; /* Use sample frequency from channel status word */ @@ -734,7 +730,7 @@ static int hdmi_audio_hw_params(struct snd_pcm_substream *substream, static int hdmi_audio_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - if (!hdmi.mode) { + if (!hdmi.ip_data.cfg.cm.mode) { pr_err("Current video settings do not support audio.\n"); return -EIO; } diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c index d1858e7..e736460 100644 --- a/drivers/video/omap2/dss/manager.c +++ b/drivers/video/omap2/dss/manager.c @@ -494,6 +494,11 @@ static int dss_mgr_wait_for_vsync(struct omap_overlay_manager *mgr) { unsigned long timeout = msecs_to_jiffies(500); u32 irq; + int r; + + r = dispc_runtime_get(); + if (r) + return r; if (mgr->device->type == OMAP_DISPLAY_TYPE_VENC) { irq = DISPC_IRQ_EVSYNC_ODD; @@ -505,7 +510,12 @@ static int dss_mgr_wait_for_vsync(struct omap_overlay_manager *mgr) else irq = DISPC_IRQ_VSYNC2; } - return omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout); + + r = omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout); + + dispc_runtime_put(); + + return r; } int dss_init_overlay_managers(struct platform_device *pdev) diff --git a/drivers/video/omap2/dss/rfbi.c b/drivers/video/omap2/dss/rfbi.c index 55f3980..788a0ef 100644 --- a/drivers/video/omap2/dss/rfbi.c +++ b/drivers/video/omap2/dss/rfbi.c @@ -922,35 +922,34 @@ static int omap_rfbihw_probe(struct platform_device *pdev) rfbi_mem = platform_get_resource(rfbi.pdev, IORESOURCE_MEM, 0); if (!rfbi_mem) { DSSERR("can't get IORESOURCE_MEM RFBI\n"); - r = -EINVAL; - goto err_ioremap; + return -EINVAL; } - rfbi.base = ioremap(rfbi_mem->start, resource_size(rfbi_mem)); + + rfbi.base = devm_ioremap(&pdev->dev, rfbi_mem->start, + resource_size(rfbi_mem)); if (!rfbi.base) { DSSERR("can't ioremap RFBI\n"); - r = -ENOMEM; - goto err_ioremap; + return -ENOMEM; } - pm_runtime_enable(&pdev->dev); - - r = rfbi_runtime_get(); - if (r) - goto err_get_rfbi; - - msleep(10); - clk = clk_get(&pdev->dev, "ick"); if (IS_ERR(clk)) { DSSERR("can't get ick\n"); - r = PTR_ERR(clk); - goto err_get_ick; + return PTR_ERR(clk); } rfbi.l4_khz = clk_get_rate(clk) / 1000; clk_put(clk); + pm_runtime_enable(&pdev->dev); + + r = rfbi_runtime_get(); + if (r) + goto err_runtime_get; + + msleep(10); + rev = rfbi_read_reg(RFBI_REVISION); dev_dbg(&pdev->dev, "OMAP RFBI rev %d.%d\n", FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0)); @@ -959,19 +958,14 @@ static int omap_rfbihw_probe(struct platform_device *pdev) return 0; -err_get_ick: - rfbi_runtime_put(); -err_get_rfbi: +err_runtime_get: pm_runtime_disable(&pdev->dev); - iounmap(rfbi.base); -err_ioremap: return r; } static int omap_rfbihw_remove(struct platform_device *pdev) { pm_runtime_disable(&pdev->dev); - iounmap(rfbi.base); return 0; } diff --git a/drivers/video/omap2/dss/ti_hdmi.h b/drivers/video/omap2/dss/ti_hdmi.h index 50dadba..1f58b84 100644 --- a/drivers/video/omap2/dss/ti_hdmi.h +++ b/drivers/video/omap2/dss/ti_hdmi.h @@ -42,6 +42,7 @@ enum hdmi_clk_refsel { HDMI_REFSEL_SYSCLK = 3 }; +/* HDMI timing structure */ struct hdmi_video_timings { u16 x_res; u16 y_res; @@ -53,13 +54,9 @@ struct hdmi_video_timings { u16 vsw; u16 vfp; u16 vbp; -}; - -/* HDMI timing structure */ -struct hdmi_timings { - struct hdmi_video_timings timings; - int vsync_pol; - int hsync_pol; + bool vsync_pol; + bool hsync_pol; + bool interlace; }; struct hdmi_cm { @@ -68,8 +65,7 @@ struct hdmi_cm { }; struct hdmi_config { - struct hdmi_timings timings; - u16 interlace; + struct hdmi_video_timings timings; struct hdmi_cm cm; }; @@ -117,6 +113,47 @@ struct ti_hdmi_ip_ops { }; +/* + * Refer to section 8.2 in HDMI 1.3 specification for + * details about infoframe databytes + */ +struct hdmi_core_infoframe_avi { + /* Y0, Y1 rgb,yCbCr */ + u8 db1_format; + /* A0 Active information Present */ + u8 db1_active_info; + /* B0, B1 Bar info data valid */ + u8 db1_bar_info_dv; + /* S0, S1 scan information */ + u8 db1_scan_info; + /* C0, C1 colorimetry */ + u8 db2_colorimetry; + /* M0, M1 Aspect ratio (4:3, 16:9) */ + u8 db2_aspect_ratio; + /* R0...R3 Active format aspect ratio */ + u8 db2_active_fmt_ar; + /* ITC IT content. */ + u8 db3_itc; + /* EC0, EC1, EC2 Extended colorimetry */ + u8 db3_ec; + /* Q1, Q0 Quantization range */ + u8 db3_q_range; + /* SC1, SC0 Non-uniform picture scaling */ + u8 db3_nup_scaling; + /* VIC0..6 Video format identification */ + u8 db4_videocode; + /* PR0..PR3 Pixel repetition factor */ + u8 db5_pixel_repeat; + /* Line number end of top bar */ + u16 db6_7_line_eoftop; + /* Line number start of bottom bar */ + u16 db8_9_line_sofbottom; + /* Pixel number end of left bar */ + u16 db10_11_pixel_eofleft; + /* Pixel number start of right bar */ + u16 db12_13_pixel_sofright; +}; + struct hdmi_ip_data { void __iomem *base_wp; /* HDMI wrapper */ unsigned long core_sys_offset; @@ -126,6 +163,7 @@ struct hdmi_ip_data { const struct ti_hdmi_ip_ops *ops; struct hdmi_config cfg; struct hdmi_pll_info pll_data; + struct hdmi_core_infoframe_avi avi_cfg; /* ti_hdmi_4xxx_ip private data. These should be in a separate struct */ int hpd_gpio; diff --git a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c index 2d72334..bfe6fe6 100644 --- a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c +++ b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c @@ -479,14 +479,7 @@ int ti_hdmi_4xxx_read_edid(struct hdmi_ip_data *ip_data, bool ti_hdmi_4xxx_detect(struct hdmi_ip_data *ip_data) { - int r; - - void __iomem *base = hdmi_core_sys_base(ip_data); - - /* HPD */ - r = REG_GET(base, HDMI_CORE_SYS_SYS_STAT, 1, 1); - - return r == 1; + return gpio_get_value(ip_data->hpd_gpio); } static void hdmi_core_init(struct hdmi_core_video_config *video_cfg, @@ -594,12 +587,12 @@ static void hdmi_core_video_config(struct hdmi_ip_data *ip_data, HDMI_CORE_SYS_TMDS_CTRL, cfg->tclk_sel_clkmult, 6, 5); } -static void hdmi_core_aux_infoframe_avi_config(struct hdmi_ip_data *ip_data, - struct hdmi_core_infoframe_avi info_avi) +static void hdmi_core_aux_infoframe_avi_config(struct hdmi_ip_data *ip_data) { u32 val; char sum = 0, checksum = 0; void __iomem *av_base = hdmi_av_base(ip_data); + struct hdmi_core_infoframe_avi info_avi = ip_data->avi_cfg; sum += 0x82 + 0x002 + 0x00D; hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_TYPE, 0x082); @@ -689,8 +682,7 @@ static void hdmi_core_av_packet_config(struct hdmi_ip_data *ip_data, } static void hdmi_wp_init(struct omap_video_timings *timings, - struct hdmi_video_format *video_fmt, - struct hdmi_video_interface *video_int) + struct hdmi_video_format *video_fmt) { pr_debug("Enter hdmi_wp_init\n"); @@ -705,12 +697,6 @@ static void hdmi_wp_init(struct omap_video_timings *timings, video_fmt->y_res = 0; video_fmt->x_res = 0; - video_int->vsp = 0; - video_int->hsp = 0; - - video_int->interlacing = 0; - video_int->tm = 0; /* HDMI_TIMING_SLAVE */ - } void ti_hdmi_4xxx_wp_video_start(struct hdmi_ip_data *ip_data, bool start) @@ -723,15 +709,15 @@ static void hdmi_wp_video_init_format(struct hdmi_video_format *video_fmt, { pr_debug("Enter hdmi_wp_video_init_format\n"); - video_fmt->y_res = param->timings.timings.y_res; - video_fmt->x_res = param->timings.timings.x_res; + video_fmt->y_res = param->timings.y_res; + video_fmt->x_res = param->timings.x_res; - timings->hbp = param->timings.timings.hbp; - timings->hfp = param->timings.timings.hfp; - timings->hsw = param->timings.timings.hsw; - timings->vbp = param->timings.timings.vbp; - timings->vfp = param->timings.timings.vfp; - timings->vsw = param->timings.timings.vsw; + timings->hbp = param->timings.hbp; + timings->hfp = param->timings.hfp; + timings->hsw = param->timings.hsw; + timings->vbp = param->timings.vbp; + timings->vfp = param->timings.vfp; + timings->vsw = param->timings.vsw; } static void hdmi_wp_video_config_format(struct hdmi_ip_data *ip_data, @@ -747,17 +733,16 @@ static void hdmi_wp_video_config_format(struct hdmi_ip_data *ip_data, hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_SIZE, l); } -static void hdmi_wp_video_config_interface(struct hdmi_ip_data *ip_data, - struct hdmi_video_interface *video_int) +static void hdmi_wp_video_config_interface(struct hdmi_ip_data *ip_data) { u32 r; pr_debug("Enter hdmi_wp_video_config_interface\n"); r = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_CFG); - r = FLD_MOD(r, video_int->vsp, 7, 7); - r = FLD_MOD(r, video_int->hsp, 6, 6); - r = FLD_MOD(r, video_int->interlacing, 3, 3); - r = FLD_MOD(r, video_int->tm, 1, 0); + r = FLD_MOD(r, ip_data->cfg.timings.vsync_pol, 7, 7); + r = FLD_MOD(r, ip_data->cfg.timings.hsync_pol, 6, 6); + r = FLD_MOD(r, ip_data->cfg.timings.interlace, 3, 3); + r = FLD_MOD(r, 1, 1, 0); /* HDMI_TIMING_MASTER_24BIT */ hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_CFG, r); } @@ -785,15 +770,13 @@ void ti_hdmi_4xxx_basic_configure(struct hdmi_ip_data *ip_data) /* HDMI */ struct omap_video_timings video_timing; struct hdmi_video_format video_format; - struct hdmi_video_interface video_interface; /* HDMI core */ - struct hdmi_core_infoframe_avi avi_cfg; + struct hdmi_core_infoframe_avi avi_cfg = ip_data->avi_cfg; struct hdmi_core_video_config v_core_cfg; struct hdmi_core_packet_enable_repeat repeat_cfg; struct hdmi_config *cfg = &ip_data->cfg; - hdmi_wp_init(&video_timing, &video_format, - &video_interface); + hdmi_wp_init(&video_timing, &video_format); hdmi_core_init(&v_core_cfg, &avi_cfg, @@ -808,12 +791,7 @@ void ti_hdmi_4xxx_basic_configure(struct hdmi_ip_data *ip_data) hdmi_wp_video_config_format(ip_data, &video_format); - video_interface.vsp = cfg->timings.vsync_pol; - video_interface.hsp = cfg->timings.hsync_pol; - video_interface.interlacing = cfg->interlace; - video_interface.tm = 1 ; /* HDMI_TIMING_MASTER_24BIT */ - - hdmi_wp_video_config_interface(ip_data, &video_interface); + hdmi_wp_video_config_interface(ip_data); /* * configure core video part @@ -855,7 +833,7 @@ void ti_hdmi_4xxx_basic_configure(struct hdmi_ip_data *ip_data) avi_cfg.db10_11_pixel_eofleft = 0; avi_cfg.db12_13_pixel_sofright = 0; - hdmi_core_aux_infoframe_avi_config(ip_data, avi_cfg); + hdmi_core_aux_infoframe_avi_config(ip_data); /* enable/repeat the infoframe */ repeat_cfg.avi_infoframe = HDMI_PACKETENABLE; @@ -1083,13 +1061,9 @@ void hdmi_core_audio_config(struct hdmi_ip_data *ip_data, u32 r; void __iomem *av_base = hdmi_av_base(ip_data); - /* audio clock recovery parameters */ - r = hdmi_read_reg(av_base, HDMI_CORE_AV_ACR_CTRL); - r = FLD_MOD(r, cfg->use_mclk, 2, 2); - r = FLD_MOD(r, cfg->en_acr_pkt, 1, 1); - r = FLD_MOD(r, cfg->cts_mode, 0, 0); - hdmi_write_reg(av_base, HDMI_CORE_AV_ACR_CTRL, r); - + /* + * Parameters for generation of Audio Clock Recovery packets + */ REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL1, cfg->n, 7, 0); REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL2, cfg->n >> 8, 7, 0); REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL3, cfg->n >> 16, 7, 0); @@ -1101,14 +1075,6 @@ void hdmi_core_audio_config(struct hdmi_ip_data *ip_data, REG_FLD_MOD(av_base, HDMI_CORE_AV_CTS_SVAL3, cfg->cts >> 16, 7, 0); } else { - /* - * HDMI IP uses this configuration to divide the MCLK to - * update CTS value. - */ - REG_FLD_MOD(av_base, - HDMI_CORE_AV_FREQ_SVAL, cfg->mclk_mode, 2, 0); - - /* Configure clock for audio packets */ REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_1, cfg->aud_par_busclk, 7, 0); REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_2, @@ -1117,6 +1083,25 @@ void hdmi_core_audio_config(struct hdmi_ip_data *ip_data, (cfg->aud_par_busclk >> 16), 7, 0); } + /* Set ACR clock divisor */ + REG_FLD_MOD(av_base, + HDMI_CORE_AV_FREQ_SVAL, cfg->mclk_mode, 2, 0); + + r = hdmi_read_reg(av_base, HDMI_CORE_AV_ACR_CTRL); + /* + * Use TMDS clock for ACR packets. For devices that use + * the MCLK, this is the first part of the MCLK initialization. + */ + r = FLD_MOD(r, 0, 2, 2); + + r = FLD_MOD(r, cfg->en_acr_pkt, 1, 1); + r = FLD_MOD(r, cfg->cts_mode, 0, 0); + hdmi_write_reg(av_base, HDMI_CORE_AV_ACR_CTRL, r); + + /* For devices using MCLK, this completes its initialization. */ + if (cfg->use_mclk) + REG_FLD_MOD(av_base, HDMI_CORE_AV_ACR_CTRL, 1, 2, 2); + /* Override of SPDIF sample frequency with value in I2S_CHST4 */ REG_FLD_MOD(av_base, HDMI_CORE_AV_SPDIF_CTRL, cfg->fs_override, 1, 1); @@ -1212,7 +1197,7 @@ int hdmi_config_audio_acr(struct hdmi_ip_data *ip_data, { u32 r; u32 deep_color = 0; - u32 pclk = ip_data->cfg.timings.timings.pixel_clock; + u32 pclk = ip_data->cfg.timings.pixel_clock; if (n == NULL || cts == NULL) return -EINVAL; diff --git a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.h b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.h index a442998..a14d1a0 100644 --- a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.h +++ b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.h @@ -450,46 +450,6 @@ struct hdmi_core_video_config { * Refer to section 8.2 in HDMI 1.3 specification for * details about infoframe databytes */ -struct hdmi_core_infoframe_avi { - /* Y0, Y1 rgb,yCbCr */ - u8 db1_format; - /* A0 Active information Present */ - u8 db1_active_info; - /* B0, B1 Bar info data valid */ - u8 db1_bar_info_dv; - /* S0, S1 scan information */ - u8 db1_scan_info; - /* C0, C1 colorimetry */ - u8 db2_colorimetry; - /* M0, M1 Aspect ratio (4:3, 16:9) */ - u8 db2_aspect_ratio; - /* R0...R3 Active format aspect ratio */ - u8 db2_active_fmt_ar; - /* ITC IT content. */ - u8 db3_itc; - /* EC0, EC1, EC2 Extended colorimetry */ - u8 db3_ec; - /* Q1, Q0 Quantization range */ - u8 db3_q_range; - /* SC1, SC0 Non-uniform picture scaling */ - u8 db3_nup_scaling; - /* VIC0..6 Video format identification */ - u8 db4_videocode; - /* PR0..PR3 Pixel repetition factor */ - u8 db5_pixel_repeat; - /* Line number end of top bar */ - u16 db6_7_line_eoftop; - /* Line number start of bottom bar */ - u16 db8_9_line_sofbottom; - /* Pixel number end of left bar */ - u16 db10_11_pixel_eofleft; - /* Pixel number start of right bar */ - u16 db12_13_pixel_sofright; -}; -/* - * Refer to section 8.2 in HDMI 1.3 specification for - * details about infoframe databytes - */ struct hdmi_core_infoframe_audio { u8 db1_coding_type; u8 db1_channel_count; @@ -517,13 +477,6 @@ struct hdmi_video_format { u32 x_res; /* pixel per line */ }; -struct hdmi_video_interface { - int vsp; /* Vsync polarity */ - int hsp; /* Hsync polarity */ - int interlacing; - int tm; /* Timing mode */ -}; - struct hdmi_audio_format { enum hdmi_stereo_channels stereo_channels; u8 active_chnnls_msk; diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c index 5c3d0f9..9c3daf7 100644 --- a/drivers/video/omap2/dss/venc.c +++ b/drivers/video/omap2/dss/venc.c @@ -699,6 +699,11 @@ void venc_dump_regs(struct seq_file *s) { #define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, venc_read_reg(r)) + if (cpu_is_omap44xx()) { + seq_printf(s, "VENC currently disabled on OMAP44xx\n"); + return; + } + if (venc_runtime_get()) return; @@ -790,39 +795,41 @@ static int omap_venchw_probe(struct platform_device *pdev) venc_mem = platform_get_resource(venc.pdev, IORESOURCE_MEM, 0); if (!venc_mem) { DSSERR("can't get IORESOURCE_MEM VENC\n"); - r = -EINVAL; - goto err_ioremap; + return -EINVAL; } - venc.base = ioremap(venc_mem->start, resource_size(venc_mem)); + + venc.base = devm_ioremap(&pdev->dev, venc_mem->start, + resource_size(venc_mem)); if (!venc.base) { DSSERR("can't ioremap VENC\n"); - r = -ENOMEM; - goto err_ioremap; + return -ENOMEM; } r = venc_get_clocks(pdev); if (r) - goto err_get_clk; + return r; pm_runtime_enable(&pdev->dev); r = venc_runtime_get(); if (r) - goto err_get_venc; + goto err_runtime_get; rev_id = (u8)(venc_read_reg(VENC_REV_ID) & 0xff); dev_dbg(&pdev->dev, "OMAP VENC rev %d\n", rev_id); venc_runtime_put(); - return omap_dss_register_driver(&venc_driver); + r = omap_dss_register_driver(&venc_driver); + if (r) + goto err_reg_panel_driver; + + return 0; -err_get_venc: +err_reg_panel_driver: +err_runtime_get: pm_runtime_disable(&pdev->dev); venc_put_clocks(); -err_get_clk: - iounmap(venc.base); -err_ioremap: return r; } @@ -837,7 +844,6 @@ static int omap_venchw_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); venc_put_clocks(); - iounmap(venc.base); return 0; } diff --git a/drivers/video/omap2/omapfb/omapfb-ioctl.c b/drivers/video/omap2/omapfb/omapfb-ioctl.c index 16ba619..6a09ef8 100644 --- a/drivers/video/omap2/omapfb/omapfb-ioctl.c +++ b/drivers/video/omap2/omapfb/omapfb-ioctl.c @@ -215,7 +215,7 @@ static int omapfb_setup_mem(struct fb_info *fbi, struct omapfb_mem_info *mi) int r = 0, i; size_t size; - if (mi->type > OMAPFB_MEMTYPE_MAX) + if (mi->type != OMAPFB_MEMTYPE_SDRAM) return -EINVAL; size = PAGE_ALIGN(mi->size); diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c index ce15831..b00db40 100644 --- a/drivers/video/omap2/omapfb/omapfb-main.c +++ b/drivers/video/omap2/omapfb/omapfb-main.c @@ -1399,7 +1399,7 @@ static int omapfb_alloc_fbmem(struct fb_info *fbi, unsigned long size, if (!paddr) { DBG("allocating %lu bytes for fb %d\n", size, ofbi->id); - r = omap_vram_alloc(OMAP_VRAM_MEMTYPE_SDRAM, size, &paddr); + r = omap_vram_alloc(size, &paddr); } else { DBG("reserving %lu bytes at %lx for fb %d\n", size, paddr, ofbi->id); @@ -1487,60 +1487,6 @@ static int omapfb_alloc_fbmem_display(struct fb_info *fbi, unsigned long size, return omapfb_alloc_fbmem(fbi, size, paddr); } -static enum omap_color_mode fb_format_to_dss_mode(enum omapfb_color_format fmt) -{ - enum omap_color_mode mode; - - switch (fmt) { - case OMAPFB_COLOR_RGB565: - mode = OMAP_DSS_COLOR_RGB16; - break; - case OMAPFB_COLOR_YUV422: - mode = OMAP_DSS_COLOR_YUV2; - break; - case OMAPFB_COLOR_CLUT_8BPP: - mode = OMAP_DSS_COLOR_CLUT8; - break; - case OMAPFB_COLOR_CLUT_4BPP: - mode = OMAP_DSS_COLOR_CLUT4; - break; - case OMAPFB_COLOR_CLUT_2BPP: - mode = OMAP_DSS_COLOR_CLUT2; - break; - case OMAPFB_COLOR_CLUT_1BPP: - mode = OMAP_DSS_COLOR_CLUT1; - break; - case OMAPFB_COLOR_RGB444: - mode = OMAP_DSS_COLOR_RGB12U; - break; - case OMAPFB_COLOR_YUY422: - mode = OMAP_DSS_COLOR_UYVY; - break; - case OMAPFB_COLOR_ARGB16: - mode = OMAP_DSS_COLOR_ARGB16; - break; - case OMAPFB_COLOR_RGB24U: - mode = OMAP_DSS_COLOR_RGB24U; - break; - case OMAPFB_COLOR_RGB24P: - mode = OMAP_DSS_COLOR_RGB24P; - break; - case OMAPFB_COLOR_ARGB32: - mode = OMAP_DSS_COLOR_ARGB32; - break; - case OMAPFB_COLOR_RGBA32: - mode = OMAP_DSS_COLOR_RGBA32; - break; - case OMAPFB_COLOR_RGBX32: - mode = OMAP_DSS_COLOR_RGBX32; - break; - default: - mode = -EINVAL; - } - - return mode; -} - static int omapfb_parse_vram_param(const char *param, int max_entries, unsigned long *sizes, unsigned long *paddrs) { @@ -1614,23 +1560,6 @@ static int omapfb_allocate_all_fbs(struct omapfb2_device *fbdev) memset(&vram_paddrs, 0, sizeof(vram_paddrs)); } - if (fbdev->dev->platform_data) { - struct omapfb_platform_data *opd; - opd = fbdev->dev->platform_data; - for (i = 0; i < opd->mem_desc.region_cnt; ++i) { - if (!vram_sizes[i]) { - unsigned long size; - unsigned long paddr; - - size = opd->mem_desc.region[i].size; - paddr = opd->mem_desc.region[i].paddr; - - vram_sizes[i] = size; - vram_paddrs[i] = paddr; - } - } - } - for (i = 0; i < fbdev->num_fbs; i++) { /* allocate memory automatically only for fb0, or if * excplicitly defined with vram or plat data option */ @@ -1669,7 +1598,7 @@ int omapfb_realloc_fbmem(struct fb_info *fbi, unsigned long size, int type) int old_type = rg->type; int r; - if (type > OMAPFB_MEMTYPE_MAX) + if (type != OMAPFB_MEMTYPE_SDRAM) return -EINVAL; size = PAGE_ALIGN(size); @@ -1828,32 +1757,6 @@ static int omapfb_fb_init(struct omapfb2_device *fbdev, struct fb_info *fbi) var->rotate = def_rotate; - /* - * Check if there is a default color format set in the board file, - * and use this format instead the default deducted from the - * display bpp. - */ - if (fbdev->dev->platform_data) { - struct omapfb_platform_data *opd; - int id = ofbi->id; - - opd = fbdev->dev->platform_data; - if (opd->mem_desc.region[id].format_used) { - enum omap_color_mode mode; - enum omapfb_color_format format; - - format = opd->mem_desc.region[id].format; - mode = fb_format_to_dss_mode(format); - if (mode < 0) { - r = mode; - goto err; - } - r = dss_mode_to_fb_mode(mode, var); - if (r < 0) - goto err; - } - } - if (display) { u16 w, h; int rotation = (var->rotate + ofbi->rotation[0]) % 4; diff --git a/drivers/video/omap2/vram.c b/drivers/video/omap2/vram.c index 9441e2e..87e421e 100644 --- a/drivers/video/omap2/vram.c +++ b/drivers/video/omap2/vram.c @@ -33,7 +33,6 @@ #include <asm/setup.h> -#include <plat/sram.h> #include <plat/vram.h> #include <plat/dma.h> @@ -43,10 +42,6 @@ #define DBG(format, ...) #endif -#define OMAP2_SRAM_START 0x40200000 -/* Maximum size, in reality this is smaller if SRAM is partially locked. */ -#define OMAP2_SRAM_SIZE 0xa0000 /* 640k */ - /* postponed regions are used to temporarily store region information at boot * time when we cannot yet allocate the region list */ #define MAX_POSTPONED_REGIONS 10 @@ -74,15 +69,6 @@ struct vram_region { static DEFINE_MUTEX(region_mutex); static LIST_HEAD(region_list); -static inline int region_mem_type(unsigned long paddr) -{ - if (paddr >= OMAP2_SRAM_START && - paddr < OMAP2_SRAM_START + OMAP2_SRAM_SIZE) - return OMAP_VRAM_MEMTYPE_SRAM; - else - return OMAP_VRAM_MEMTYPE_SDRAM; -} - static struct vram_region *omap_vram_create_region(unsigned long paddr, unsigned pages) { @@ -212,9 +198,6 @@ static int _omap_vram_reserve(unsigned long paddr, unsigned pages) DBG("checking region %lx %d\n", rm->paddr, rm->pages); - if (region_mem_type(rm->paddr) != region_mem_type(paddr)) - continue; - start = rm->paddr; end = start + (rm->pages << PAGE_SHIFT) - 1; if (start > paddr || end < paddr + size - 1) @@ -320,7 +303,7 @@ err: return r; } -static int _omap_vram_alloc(int mtype, unsigned pages, unsigned long *paddr) +static int _omap_vram_alloc(unsigned pages, unsigned long *paddr) { struct vram_region *rm; struct vram_alloc *alloc; @@ -330,9 +313,6 @@ static int _omap_vram_alloc(int mtype, unsigned pages, unsigned long *paddr) DBG("checking region %lx %d\n", rm->paddr, rm->pages); - if (region_mem_type(rm->paddr) != mtype) - continue; - start = rm->paddr; list_for_each_entry(alloc, &rm->alloc_list, list) { @@ -365,21 +345,21 @@ found: return -ENOMEM; } -int omap_vram_alloc(int mtype, size_t size, unsigned long *paddr) +int omap_vram_alloc(size_t size, unsigned long *paddr) { unsigned pages; int r; - BUG_ON(mtype > OMAP_VRAM_MEMTYPE_MAX || !size); + BUG_ON(!size); - DBG("alloc mem type %d size %d\n", mtype, size); + DBG("alloc mem size %d\n", size); size = PAGE_ALIGN(size); pages = size >> PAGE_SHIFT; mutex_lock(®ion_mutex); - r = _omap_vram_alloc(mtype, pages, paddr); + r = _omap_vram_alloc(pages, paddr); mutex_unlock(®ion_mutex); @@ -501,10 +481,6 @@ arch_initcall(omap_vram_init); /* boottime vram alloc stuff */ /* set from board file */ -static u32 omap_vram_sram_start __initdata; -static u32 omap_vram_sram_size __initdata; - -/* set from board file */ static u32 omap_vram_sdram_start __initdata; static u32 omap_vram_sdram_size __initdata; @@ -587,73 +563,8 @@ void __init omap_vram_reserve_sdram_memblock(void) pr_info("Reserving %u bytes SDRAM for VRAM\n", size); } -/* - * Called at sram init time, before anything is pushed to the SRAM stack. - * Because of the stack scheme, we will allocate everything from the - * start of the lowest address region to the end of SRAM. This will also - * include padding for page alignment and possible holes between regions. - * - * As opposed to the SDRAM case, we'll also do any dynamic allocations at - * this point, since the driver built as a module would have problem with - * freeing / reallocating the regions. - */ -unsigned long __init omap_vram_reserve_sram(unsigned long sram_pstart, - unsigned long sram_vstart, - unsigned long sram_size, - unsigned long pstart_avail, - unsigned long size_avail) -{ - unsigned long pend_avail; - unsigned long reserved; - u32 paddr; - u32 size; - - paddr = omap_vram_sram_start; - size = omap_vram_sram_size; - - if (!size) - return 0; - - reserved = 0; - pend_avail = pstart_avail + size_avail; - - if (!paddr) { - /* Dynamic allocation */ - if ((size_avail & PAGE_MASK) < size) { - pr_err("Not enough SRAM for VRAM\n"); - return 0; - } - size_avail = (size_avail - size) & PAGE_MASK; - paddr = pstart_avail + size_avail; - } - - if (paddr < sram_pstart || - paddr + size > sram_pstart + sram_size) { - pr_err("Illegal SRAM region for VRAM\n"); - return 0; - } - - /* Reserve everything above the start of the region. */ - if (pend_avail - paddr > reserved) - reserved = pend_avail - paddr; - size_avail = pend_avail - reserved - pstart_avail; - - omap_vram_add_region(paddr, size); - - if (reserved) - pr_info("Reserving %lu bytes SRAM for VRAM\n", reserved); - - return reserved; -} - void __init omap_vram_set_sdram_vram(u32 size, u32 start) { omap_vram_sdram_start = start; omap_vram_sdram_size = size; } - -void __init omap_vram_set_sram_vram(u32 size, u32 start) -{ - omap_vram_sram_start = start; - omap_vram_sram_size = size; -} diff --git a/drivers/video/pmag-ba-fb.c b/drivers/video/pmag-ba-fb.c index 0c69fa2..9b4a60b 100644 --- a/drivers/video/pmag-ba-fb.c +++ b/drivers/video/pmag-ba-fb.c @@ -33,7 +33,6 @@ #include <linux/types.h> #include <asm/io.h> -#include <asm/system.h> #include <video/pmag-ba-fb.h> diff --git a/drivers/video/pmagb-b-fb.c b/drivers/video/pmagb-b-fb.c index 22fcb9a..4e7a9c4 100644 --- a/drivers/video/pmagb-b-fb.c +++ b/drivers/video/pmagb-b-fb.c @@ -29,7 +29,6 @@ #include <linux/types.h> #include <asm/io.h> -#include <asm/system.h> #include <video/pmagb-b-fb.h> diff --git a/drivers/video/pvr2fb.c b/drivers/video/pvr2fb.c index f997510..bcd44c3 100644 --- a/drivers/video/pvr2fb.c +++ b/drivers/video/pvr2fb.c @@ -895,7 +895,7 @@ static int __init pvr2fb_dc_init(void) #ifdef CONFIG_PVR2_DMA if (request_dma(pvr2dma, "pvr2") != 0) { - free_irq(HW_EVENT_VSYNC, 0); + free_irq(HW_EVENT_VSYNC, fb_info); return -EBUSY; } #endif @@ -914,7 +914,7 @@ static void __exit pvr2fb_dc_exit(void) currentpar->mmio_base = 0; } - free_irq(HW_EVENT_VSYNC, 0); + free_irq(HW_EVENT_VSYNC, fb_info); #ifdef CONFIG_PVR2_DMA free_dma(pvr2dma); #endif @@ -1061,7 +1061,7 @@ static struct pvr2_board { int (*init)(void); void (*exit)(void); char name[16]; -} board_driver[] = { +} board_driver[] __refdata = { #ifdef CONFIG_SH_DREAMCAST { pvr2fb_dc_init, pvr2fb_dc_exit, "Sega DC PVR2" }, #endif diff --git a/drivers/video/pxa168fb.c b/drivers/video/pxa168fb.c index 8384b94..f146089 100644 --- a/drivers/video/pxa168fb.c +++ b/drivers/video/pxa168fb.c @@ -21,6 +21,7 @@ #include <linux/fb.h> #include <linux/delay.h> #include <linux/init.h> +#include <linux/io.h> #include <linux/ioport.h> #include <linux/platform_device.h> #include <linux/dma-mapping.h> @@ -670,7 +671,8 @@ static int __devinit pxa168fb_probe(struct platform_device *pdev) /* * Map LCD controller registers. */ - fbi->reg_base = ioremap_nocache(res->start, resource_size(res)); + fbi->reg_base = devm_ioremap_nocache(&pdev->dev, res->start, + resource_size(res)); if (fbi->reg_base == NULL) { ret = -ENOMEM; goto failed_free_info; @@ -739,8 +741,8 @@ static int __devinit pxa168fb_probe(struct platform_device *pdev) /* * Register irq handler. */ - ret = request_irq(irq, pxa168fb_handle_irq, IRQF_SHARED, - info->fix.id, fbi); + ret = devm_request_irq(&pdev->dev, irq, pxa168fb_handle_irq, + IRQF_SHARED, info->fix.id, fbi); if (ret < 0) { dev_err(&pdev->dev, "unable to request IRQ\n"); ret = -ENXIO; @@ -759,14 +761,12 @@ static int __devinit pxa168fb_probe(struct platform_device *pdev) if (ret < 0) { dev_err(&pdev->dev, "Failed to register pxa168-fb: %d\n", ret); ret = -ENXIO; - goto failed_free_irq; + goto failed_free_cmap; } platform_set_drvdata(pdev, fbi); return 0; -failed_free_irq: - free_irq(irq, fbi); failed_free_cmap: fb_dealloc_cmap(&info->cmap); failed_free_clk: @@ -808,13 +808,10 @@ static int __devexit pxa168fb_remove(struct platform_device *pdev) fb_dealloc_cmap(&info->cmap); irq = platform_get_irq(pdev, 0); - free_irq(irq, fbi); dma_free_writecombine(fbi->dev, PAGE_ALIGN(info->fix.smem_len), info->screen_base, info->fix.smem_start); - iounmap(fbi->reg_base); - clk_disable(fbi->clk); clk_put(fbi->clk); diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c index 1d1e4f1..3f90255 100644 --- a/drivers/video/pxafb.c +++ b/drivers/video/pxafb.c @@ -54,6 +54,7 @@ #include <linux/mutex.h> #include <linux/kthread.h> #include <linux/freezer.h> +#include <linux/console.h> #include <mach/hardware.h> #include <asm/io.h> @@ -730,9 +731,12 @@ static int overlayfb_open(struct fb_info *info, int user) if (user == 0) return -ENODEV; - if (ofb->usage++ == 0) + if (ofb->usage++ == 0) { /* unblank the base framebuffer */ + console_lock(); fb_blank(&ofb->fbi->fb, FB_BLANK_UNBLANK); + console_unlock(); + } return 0; } @@ -1431,7 +1435,7 @@ static void pxafb_enable_controller(struct pxafb_info *fbi) pr_debug("reg_lccr3 0x%08x\n", (unsigned int) fbi->reg_lccr3); /* enable LCD controller clock */ - clk_enable(fbi->clk); + clk_prepare_enable(fbi->clk); if (fbi->lccr0 & LCCR0_LCDT) return; @@ -1471,7 +1475,7 @@ static void pxafb_disable_controller(struct pxafb_info *fbi) wait_for_completion_timeout(&fbi->disable_done, 200 * HZ / 1000); /* disable LCD controller clock */ - clk_disable(fbi->clk); + clk_disable_unprepare(fbi->clk); } /* diff --git a/drivers/video/q40fb.c b/drivers/video/q40fb.c index f5a39f5..a104e8c 100644 --- a/drivers/video/q40fb.c +++ b/drivers/video/q40fb.c @@ -20,7 +20,6 @@ #include <asm/uaccess.h> #include <asm/setup.h> -#include <asm/system.h> #include <asm/q40_master.h> #include <linux/fb.h> #include <linux/module.h> diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c index 2f58cf9..90df1a6 100644 --- a/drivers/video/riva/fbdev.c +++ b/drivers/video/riva/fbdev.c @@ -1816,6 +1816,8 @@ static void __devinit riva_update_default_var(struct fb_var_screeninfo *var, specs->modedb, specs->modedb_len, NULL, 8); } else if (specs->modedb != NULL) { + /* get first mode in database as fallback */ + modedb = specs->modedb[0]; /* get preferred timing */ if (info->monspecs.misc & FB_MISC_1ST_DETAIL) { int i; @@ -1826,9 +1828,6 @@ static void __devinit riva_update_default_var(struct fb_var_screeninfo *var, break; } } - } else { - /* otherwise, get first mode in database */ - modedb = specs->modedb[0]; } var->bits_per_pixel = 8; riva_update_var(var, &modedb); diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c index 0c63b69..f310516 100644 --- a/drivers/video/s3c-fb.c +++ b/drivers/video/s3c-fb.c @@ -48,7 +48,8 @@ #undef writel #define writel(v, r) do { \ printk(KERN_DEBUG "%s: %08x => %p\n", __func__, (unsigned int)v, r); \ - __raw_writel(v, r); } while (0) + __raw_writel(v, r); \ +} while (0) #endif /* FB_S3C_DEBUG_REGWRITE */ /* irq_flags bits */ @@ -81,12 +82,14 @@ struct s3c_fb; * @palette: Address of palette memory, or 0 if none. * @has_prtcon: Set if has PRTCON register. * @has_shadowcon: Set if has SHADOWCON register. + * @has_blendcon: Set if has BLENDCON register. * @has_clksel: Set if VIDCON0 register has CLKSEL bit. + * @has_fixvclk: Set if VIDCON1 register has FIXVCLK bits. */ struct s3c_fb_variant { unsigned int is_2443:1; unsigned short nr_windows; - unsigned short vidtcon; + unsigned int vidtcon; unsigned short wincon; unsigned short winmap; unsigned short keycon; @@ -99,7 +102,9 @@ struct s3c_fb_variant { unsigned int has_prtcon:1; unsigned int has_shadowcon:1; + unsigned int has_blendcon:1; unsigned int has_clksel:1; + unsigned int has_fixvclk:1; }; /** @@ -186,7 +191,6 @@ struct s3c_fb_vsync { * struct s3c_fb - overall hardware state of the hardware * @slock: The spinlock protection for this data sturcture. * @dev: The device that we bound to, for printing, etc. - * @regs_res: The resource we claimed for the IO registers. * @bus_clk: The clk (hclk) feeding our interface and possibly pixclk. * @lcd_clk: The clk (sclk) feeding pixclk. * @regs: The mapped hardware registers. @@ -202,7 +206,6 @@ struct s3c_fb_vsync { struct s3c_fb { spinlock_t slock; struct device *dev; - struct resource *regs_res; struct clk *bus_clk; struct clk *lcd_clk; void __iomem *regs; @@ -565,7 +568,9 @@ static int s3c_fb_set_par(struct fb_info *info) writel(data, regs + sfb->variant.vidtcon + 4); data = VIDTCON2_LINEVAL(var->yres - 1) | - VIDTCON2_HOZVAL(var->xres - 1); + VIDTCON2_HOZVAL(var->xres - 1) | + VIDTCON2_LINEVAL_E(var->yres - 1) | + VIDTCON2_HOZVAL_E(var->xres - 1); writel(data, regs + sfb->variant.vidtcon + 8); } @@ -581,17 +586,23 @@ static int s3c_fb_set_par(struct fb_info *info) pagewidth = (var->xres * var->bits_per_pixel) >> 3; data = VIDW_BUF_SIZE_OFFSET(info->fix.line_length - pagewidth) | - VIDW_BUF_SIZE_PAGEWIDTH(pagewidth); + VIDW_BUF_SIZE_PAGEWIDTH(pagewidth) | + VIDW_BUF_SIZE_OFFSET_E(info->fix.line_length - pagewidth) | + VIDW_BUF_SIZE_PAGEWIDTH_E(pagewidth); writel(data, regs + sfb->variant.buf_size + (win_no * 4)); /* write 'OSD' registers to control position of framebuffer */ - data = VIDOSDxA_TOPLEFT_X(0) | VIDOSDxA_TOPLEFT_Y(0); + data = VIDOSDxA_TOPLEFT_X(0) | VIDOSDxA_TOPLEFT_Y(0) | + VIDOSDxA_TOPLEFT_X_E(0) | VIDOSDxA_TOPLEFT_Y_E(0); writel(data, regs + VIDOSD_A(win_no, sfb->variant)); data = VIDOSDxB_BOTRIGHT_X(s3c_fb_align_word(var->bits_per_pixel, var->xres - 1)) | - VIDOSDxB_BOTRIGHT_Y(var->yres - 1); + VIDOSDxB_BOTRIGHT_Y(var->yres - 1) | + VIDOSDxB_BOTRIGHT_X_E(s3c_fb_align_word(var->bits_per_pixel, + var->xres - 1)) | + VIDOSDxB_BOTRIGHT_Y_E(var->yres - 1); writel(data, regs + VIDOSD_B(win_no, sfb->variant)); @@ -692,6 +703,17 @@ static int s3c_fb_set_par(struct fb_info *info) writel(data, regs + sfb->variant.wincon + (win_no * 4)); writel(0x0, regs + sfb->variant.winmap + (win_no * 4)); + /* Set alpha value width */ + if (sfb->variant.has_blendcon) { + data = readl(sfb->regs + BLENDCON); + data &= ~BLENDCON_NEW_MASK; + if (var->transp.length > 4) + data |= BLENDCON_NEW_8BIT_ALPHA_VALUE; + else + data |= BLENDCON_NEW_4BIT_ALPHA_VALUE; + writel(data, sfb->regs + BLENDCON); + } + shadow_protect_win(win, 0); pm_runtime_put_sync(sfb->dev); @@ -1346,6 +1368,7 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev) struct resource *res; int win; int ret = 0; + u32 reg; platid = platform_get_device_id(pdev); fbdrv = (struct s3c_fb_driverdata *)platid->driver_data; @@ -1361,7 +1384,7 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev) return -EINVAL; } - sfb = kzalloc(sizeof(struct s3c_fb), GFP_KERNEL); + sfb = devm_kzalloc(dev, sizeof(struct s3c_fb), GFP_KERNEL); if (!sfb) { dev_err(dev, "no memory for framebuffers\n"); return -ENOMEM; @@ -1404,33 +1427,25 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev) goto err_lcd_clk; } - sfb->regs_res = request_mem_region(res->start, resource_size(res), - dev_name(dev)); - if (!sfb->regs_res) { - dev_err(dev, "failed to claim register region\n"); - ret = -ENOENT; - goto err_lcd_clk; - } - - sfb->regs = ioremap(res->start, resource_size(res)); + sfb->regs = devm_request_and_ioremap(dev, res); if (!sfb->regs) { dev_err(dev, "failed to map registers\n"); ret = -ENXIO; - goto err_req_region; + goto err_lcd_clk; } res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); if (!res) { dev_err(dev, "failed to acquire irq resource\n"); ret = -ENOENT; - goto err_ioremap; + goto err_lcd_clk; } sfb->irq_no = res->start; - ret = request_irq(sfb->irq_no, s3c_fb_irq, + ret = devm_request_irq(dev, sfb->irq_no, s3c_fb_irq, 0, "s3c_fb", sfb); if (ret) { dev_err(dev, "irq request failed\n"); - goto err_ioremap; + goto err_lcd_clk; } dev_dbg(dev, "got resources (regs %p), probing windows\n", sfb->regs); @@ -1444,6 +1459,14 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev) writel(pd->vidcon1, sfb->regs + VIDCON1); + /* set video clock running at under-run */ + if (sfb->variant.has_fixvclk) { + reg = readl(sfb->regs + VIDCON1); + reg &= ~VIDCON1_VCLK_MASK; + reg |= VIDCON1_VCLK_RUN; + writel(reg, sfb->regs + VIDCON1); + } + /* zero all windows before we do anything */ for (win = 0; win < fbdrv->variant.nr_windows; win++) @@ -1484,13 +1507,6 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev) err_pm_runtime: pm_runtime_put_sync(sfb->dev); - free_irq(sfb->irq_no, sfb); - -err_ioremap: - iounmap(sfb->regs); - -err_req_region: - release_mem_region(sfb->regs_res->start, resource_size(sfb->regs_res)); err_lcd_clk: pm_runtime_disable(sfb->dev); @@ -1505,7 +1521,6 @@ err_bus_clk: clk_put(sfb->bus_clk); err_sfb: - kfree(sfb); return ret; } @@ -1527,10 +1542,6 @@ static int __devexit s3c_fb_remove(struct platform_device *pdev) if (sfb->windows[win]) s3c_fb_release_win(sfb, sfb->windows[win]); - free_irq(sfb->irq_no, sfb); - - iounmap(sfb->regs); - if (!sfb->variant.has_clksel) { clk_disable(sfb->lcd_clk); clk_put(sfb->lcd_clk); @@ -1539,12 +1550,9 @@ static int __devexit s3c_fb_remove(struct platform_device *pdev) clk_disable(sfb->bus_clk); clk_put(sfb->bus_clk); - release_mem_region(sfb->regs_res->start, resource_size(sfb->regs_res)); - pm_runtime_put_sync(sfb->dev); pm_runtime_disable(sfb->dev); - kfree(sfb); return 0; } @@ -1579,6 +1587,7 @@ static int s3c_fb_resume(struct device *dev) struct s3c_fb_platdata *pd = sfb->pdata; struct s3c_fb_win *win; int win_no; + u32 reg; clk_enable(sfb->bus_clk); @@ -1589,6 +1598,14 @@ static int s3c_fb_resume(struct device *dev) pd->setup_gpio(); writel(pd->vidcon1, sfb->regs + VIDCON1); + /* set video clock running at under-run */ + if (sfb->variant.has_fixvclk) { + reg = readl(sfb->regs + VIDCON1); + reg &= ~VIDCON1_VCLK_MASK; + reg |= VIDCON1_VCLK_RUN; + writel(reg, sfb->regs + VIDCON1); + } + /* zero all windows before we do anything */ for (win_no = 0; win_no < sfb->variant.nr_windows; win_no++) s3c_fb_clear_win(sfb, win_no); @@ -1819,6 +1836,7 @@ static struct s3c_fb_driverdata s3c_fb_data_s5pc100 = { }, .has_prtcon = 1, + .has_blendcon = 1, .has_clksel = 1, }, .win[0] = &s3c_fb_data_s5p_wins[0], @@ -1850,7 +1868,9 @@ static struct s3c_fb_driverdata s3c_fb_data_s5pv210 = { }, .has_shadowcon = 1, + .has_blendcon = 1, .has_clksel = 1, + .has_fixvclk = 1, }, .win[0] = &s3c_fb_data_s5p_wins[0], .win[1] = &s3c_fb_data_s5p_wins[1], @@ -1881,6 +1901,39 @@ static struct s3c_fb_driverdata s3c_fb_data_exynos4 = { }, .has_shadowcon = 1, + .has_blendcon = 1, + .has_fixvclk = 1, + }, + .win[0] = &s3c_fb_data_s5p_wins[0], + .win[1] = &s3c_fb_data_s5p_wins[1], + .win[2] = &s3c_fb_data_s5p_wins[2], + .win[3] = &s3c_fb_data_s5p_wins[3], + .win[4] = &s3c_fb_data_s5p_wins[4], +}; + +static struct s3c_fb_driverdata s3c_fb_data_exynos5 = { + .variant = { + .nr_windows = 5, + .vidtcon = VIDTCON0, + .wincon = WINCON(0), + .winmap = WINxMAP(0), + .keycon = WKEYCON, + .osd = VIDOSD_BASE, + .osd_stride = 16, + .buf_start = VIDW_BUF_START(0), + .buf_size = VIDW_BUF_SIZE(0), + .buf_end = VIDW_BUF_END(0), + + .palette = { + [0] = 0x2400, + [1] = 0x2800, + [2] = 0x2c00, + [3] = 0x3000, + [4] = 0x3400, + }, + .has_shadowcon = 1, + .has_blendcon = 1, + .has_fixvclk = 1, }, .win[0] = &s3c_fb_data_s5p_wins[0], .win[1] = &s3c_fb_data_s5p_wins[1], @@ -1944,6 +1997,9 @@ static struct s3c_fb_driverdata s3c_fb_data_s5p64x0 = { [1] = 0x2800, [2] = 0x2c00, }, + + .has_blendcon = 1, + .has_fixvclk = 1, }, .win[0] = &s3c_fb_data_s5p_wins[0], .win[1] = &s3c_fb_data_s5p_wins[1], @@ -1964,6 +2020,9 @@ static struct platform_device_id s3c_fb_driver_ids[] = { .name = "exynos4-fb", .driver_data = (unsigned long)&s3c_fb_data_exynos4, }, { + .name = "exynos5-fb", + .driver_data = (unsigned long)&s3c_fb_data_exynos5, + }, { .name = "s3c2443-fb", .driver_data = (unsigned long)&s3c_fb_data_s3c2443, }, { diff --git a/drivers/video/sa1100fb.c b/drivers/video/sa1100fb.c index 98d55d0..b632584 100644 --- a/drivers/video/sa1100fb.c +++ b/drivers/video/sa1100fb.c @@ -173,282 +173,48 @@ #include <linux/init.h> #include <linux/ioport.h> #include <linux/cpufreq.h> +#include <linux/gpio.h> #include <linux/platform_device.h> #include <linux/dma-mapping.h> #include <linux/mutex.h> #include <linux/io.h> +#include <video/sa1100fb.h> + #include <mach/hardware.h> #include <asm/mach-types.h> -#include <mach/assabet.h> #include <mach/shannon.h> /* - * debugging? - */ -#define DEBUG 0 -/* * Complain if VAR is out of range. */ #define DEBUG_VAR 1 -#undef ASSABET_PAL_VIDEO - #include "sa1100fb.h" -extern void (*sa1100fb_backlight_power)(int on); -extern void (*sa1100fb_lcd_power)(int on); - -static struct sa1100fb_rgb rgb_4 = { +static const struct sa1100fb_rgb rgb_4 = { .red = { .offset = 0, .length = 4, }, .green = { .offset = 0, .length = 4, }, .blue = { .offset = 0, .length = 4, }, .transp = { .offset = 0, .length = 0, }, }; -static struct sa1100fb_rgb rgb_8 = { +static const struct sa1100fb_rgb rgb_8 = { .red = { .offset = 0, .length = 8, }, .green = { .offset = 0, .length = 8, }, .blue = { .offset = 0, .length = 8, }, .transp = { .offset = 0, .length = 0, }, }; -static struct sa1100fb_rgb def_rgb_16 = { +static const struct sa1100fb_rgb def_rgb_16 = { .red = { .offset = 11, .length = 5, }, .green = { .offset = 5, .length = 6, }, .blue = { .offset = 0, .length = 5, }, .transp = { .offset = 0, .length = 0, }, }; -#ifdef CONFIG_SA1100_ASSABET -#ifndef ASSABET_PAL_VIDEO -/* - * The assabet uses a sharp LQ039Q2DS54 LCD module. It is actually - * takes an RGB666 signal, but we provide it with an RGB565 signal - * instead (def_rgb_16). - */ -static struct sa1100fb_mach_info lq039q2ds54_info __initdata = { - .pixclock = 171521, .bpp = 16, - .xres = 320, .yres = 240, - - .hsync_len = 5, .vsync_len = 1, - .left_margin = 61, .upper_margin = 3, - .right_margin = 9, .lower_margin = 0, - - .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - - .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, - .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2), -}; -#else -static struct sa1100fb_mach_info pal_info __initdata = { - .pixclock = 67797, .bpp = 16, - .xres = 640, .yres = 512, - - .hsync_len = 64, .vsync_len = 6, - .left_margin = 125, .upper_margin = 70, - .right_margin = 115, .lower_margin = 36, - - .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, - .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(512), -}; -#endif -#endif - -#ifdef CONFIG_SA1100_H3600 -static struct sa1100fb_mach_info h3600_info __initdata = { - .pixclock = 174757, .bpp = 16, - .xres = 320, .yres = 240, - - .hsync_len = 3, .vsync_len = 3, - .left_margin = 12, .upper_margin = 10, - .right_margin = 17, .lower_margin = 1, - - .cmap_static = 1, - - .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, - .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2), -}; - -static struct sa1100fb_rgb h3600_rgb_16 = { - .red = { .offset = 12, .length = 4, }, - .green = { .offset = 7, .length = 4, }, - .blue = { .offset = 1, .length = 4, }, - .transp = { .offset = 0, .length = 0, }, -}; -#endif - -#ifdef CONFIG_SA1100_H3100 -static struct sa1100fb_mach_info h3100_info __initdata = { - .pixclock = 406977, .bpp = 4, - .xres = 320, .yres = 240, - - .hsync_len = 26, .vsync_len = 41, - .left_margin = 4, .upper_margin = 0, - .right_margin = 4, .lower_margin = 0, - - .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - .cmap_greyscale = 1, - .cmap_inverse = 1, - - .lccr0 = LCCR0_Mono | LCCR0_4PixMono | LCCR0_Sngl | LCCR0_Pas, - .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2), -}; -#endif - -#ifdef CONFIG_SA1100_COLLIE -static struct sa1100fb_mach_info collie_info __initdata = { - .pixclock = 171521, .bpp = 16, - .xres = 320, .yres = 240, - - .hsync_len = 5, .vsync_len = 1, - .left_margin = 11, .upper_margin = 2, - .right_margin = 30, .lower_margin = 0, - - .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - - .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, - .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2), -}; -#endif - -#ifdef LART_GREY_LCD -static struct sa1100fb_mach_info lart_grey_info __initdata = { - .pixclock = 150000, .bpp = 4, - .xres = 320, .yres = 240, - - .hsync_len = 1, .vsync_len = 1, - .left_margin = 4, .upper_margin = 0, - .right_margin = 2, .lower_margin = 0, - - .cmap_greyscale = 1, - .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - - .lccr0 = LCCR0_Mono | LCCR0_Sngl | LCCR0_Pas | LCCR0_4PixMono, - .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(512), -}; -#endif -#ifdef LART_COLOR_LCD -static struct sa1100fb_mach_info lart_color_info __initdata = { - .pixclock = 150000, .bpp = 16, - .xres = 320, .yres = 240, - - .hsync_len = 2, .vsync_len = 3, - .left_margin = 69, .upper_margin = 14, - .right_margin = 8, .lower_margin = 4, - - .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, - .lccr3 = LCCR3_OutEnH | LCCR3_PixFlEdg | LCCR3_ACBsDiv(512), -}; -#endif -#ifdef LART_VIDEO_OUT -static struct sa1100fb_mach_info lart_video_info __initdata = { - .pixclock = 39721, .bpp = 16, - .xres = 640, .yres = 480, - - .hsync_len = 95, .vsync_len = 2, - .left_margin = 40, .upper_margin = 32, - .right_margin = 24, .lower_margin = 11, - - .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - - .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, - .lccr3 = LCCR3_OutEnL | LCCR3_PixFlEdg | LCCR3_ACBsDiv(512), -}; -#endif - -#ifdef LART_KIT01_LCD -static struct sa1100fb_mach_info lart_kit01_info __initdata = { - .pixclock = 63291, .bpp = 16, - .xres = 640, .yres = 480, - - .hsync_len = 64, .vsync_len = 3, - .left_margin = 122, .upper_margin = 45, - .right_margin = 10, .lower_margin = 10, - - .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, - .lccr3 = LCCR3_OutEnH | LCCR3_PixFlEdg -}; -#endif - -#ifdef CONFIG_SA1100_SHANNON -static struct sa1100fb_mach_info shannon_info __initdata = { - .pixclock = 152500, .bpp = 8, - .xres = 640, .yres = 480, - - .hsync_len = 4, .vsync_len = 3, - .left_margin = 2, .upper_margin = 0, - .right_margin = 1, .lower_margin = 0, - - .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - - .lccr0 = LCCR0_Color | LCCR0_Dual | LCCR0_Pas, - .lccr3 = LCCR3_ACBsDiv(512), -}; -#endif - -static struct sa1100fb_mach_info * __init -sa1100fb_get_machine_info(struct sa1100fb_info *fbi) -{ - struct sa1100fb_mach_info *inf = NULL; - - /* - * R G B T - * default {11,5}, { 5,6}, { 0,5}, { 0,0} - * h3600 {12,4}, { 7,4}, { 1,4}, { 0,0} - * freebird { 8,4}, { 4,4}, { 0,4}, {12,4} - */ -#ifdef CONFIG_SA1100_ASSABET - if (machine_is_assabet()) { -#ifndef ASSABET_PAL_VIDEO - inf = &lq039q2ds54_info; -#else - inf = &pal_info; -#endif - } -#endif -#ifdef CONFIG_SA1100_H3100 - if (machine_is_h3100()) { - inf = &h3100_info; - } -#endif -#ifdef CONFIG_SA1100_H3600 - if (machine_is_h3600()) { - inf = &h3600_info; - fbi->rgb[RGB_16] = &h3600_rgb_16; - } -#endif -#ifdef CONFIG_SA1100_COLLIE - if (machine_is_collie()) { - inf = &collie_info; - } -#endif -#ifdef CONFIG_SA1100_LART - if (machine_is_lart()) { -#ifdef LART_GREY_LCD - inf = &lart_grey_info; -#endif -#ifdef LART_COLOR_LCD - inf = &lart_color_info; -#endif -#ifdef LART_VIDEO_OUT - inf = &lart_video_info; -#endif -#ifdef LART_KIT01_LCD - inf = &lart_kit01_info; -#endif - } -#endif -#ifdef CONFIG_SA1100_SHANNON - if (machine_is_shannon()) { - inf = &shannon_info; - } -#endif - return inf; -} - static int sa1100fb_activate_var(struct fb_var_screeninfo *var, struct sa1100fb_info *); static void set_ctrlr_state(struct sa1100fb_info *fbi, u_int state); @@ -533,7 +299,7 @@ sa1100fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, * is what you poke into the framebuffer to produce the * colour you requested. */ - if (fbi->cmap_inverse) { + if (fbi->inf->cmap_inverse) { red = 0xffff - red; green = 0xffff - green; blue = 0xffff - blue; @@ -607,14 +373,14 @@ sa1100fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) var->xres = MIN_XRES; if (var->yres < MIN_YRES) var->yres = MIN_YRES; - if (var->xres > fbi->max_xres) - var->xres = fbi->max_xres; - if (var->yres > fbi->max_yres) - var->yres = fbi->max_yres; + if (var->xres > fbi->inf->xres) + var->xres = fbi->inf->xres; + if (var->yres > fbi->inf->yres) + var->yres = fbi->inf->yres; var->xres_virtual = max(var->xres_virtual, var->xres); var->yres_virtual = max(var->yres_virtual, var->yres); - DPRINTK("var->bits_per_pixel=%d\n", var->bits_per_pixel); + dev_dbg(fbi->dev, "var->bits_per_pixel=%d\n", var->bits_per_pixel); switch (var->bits_per_pixel) { case 4: rgbidx = RGB_4; @@ -638,16 +404,16 @@ sa1100fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) var->blue = fbi->rgb[rgbidx]->blue; var->transp = fbi->rgb[rgbidx]->transp; - DPRINTK("RGBT length = %d:%d:%d:%d\n", + dev_dbg(fbi->dev, "RGBT length = %d:%d:%d:%d\n", var->red.length, var->green.length, var->blue.length, var->transp.length); - DPRINTK("RGBT offset = %d:%d:%d:%d\n", + dev_dbg(fbi->dev, "RGBT offset = %d:%d:%d:%d\n", var->red.offset, var->green.offset, var->blue.offset, var->transp.offset); #ifdef CONFIG_CPU_FREQ - printk(KERN_DEBUG "dma period = %d ps, clock = %d kHz\n", + dev_dbg(fbi->dev, "dma period = %d ps, clock = %d kHz\n", sa1100fb_display_dma_period(var), cpufreq_get(smp_processor_id())); #endif @@ -655,22 +421,10 @@ sa1100fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) return 0; } -static inline void sa1100fb_set_truecolor(u_int is_true_color) +static void sa1100fb_set_visual(struct sa1100fb_info *fbi, u32 visual) { - if (machine_is_assabet()) { -#if 1 // phase 4 or newer Assabet's - if (is_true_color) - ASSABET_BCR_set(ASSABET_BCR_LCD_12RGB); - else - ASSABET_BCR_clear(ASSABET_BCR_LCD_12RGB); -#else - // older Assabet's - if (is_true_color) - ASSABET_BCR_clear(ASSABET_BCR_LCD_12RGB); - else - ASSABET_BCR_set(ASSABET_BCR_LCD_12RGB); -#endif - } + if (fbi->inf->set_visual) + fbi->inf->set_visual(visual); } /* @@ -683,11 +437,11 @@ static int sa1100fb_set_par(struct fb_info *info) struct fb_var_screeninfo *var = &info->var; unsigned long palette_mem_size; - DPRINTK("set_par\n"); + dev_dbg(fbi->dev, "set_par\n"); if (var->bits_per_pixel == 16) fbi->fb.fix.visual = FB_VISUAL_TRUECOLOR; - else if (!fbi->cmap_static) + else if (!fbi->inf->cmap_static) fbi->fb.fix.visual = FB_VISUAL_PSEUDOCOLOR; else { /* @@ -704,7 +458,7 @@ static int sa1100fb_set_par(struct fb_info *info) palette_mem_size = fbi->palette_size * sizeof(u16); - DPRINTK("palette_mem_size = 0x%08lx\n", (u_long) palette_mem_size); + dev_dbg(fbi->dev, "palette_mem_size = 0x%08lx\n", palette_mem_size); fbi->palette_cpu = (u16 *)(fbi->map_cpu + PAGE_SIZE - palette_mem_size); fbi->palette_dma = fbi->map_dma + PAGE_SIZE - palette_mem_size; @@ -712,7 +466,7 @@ static int sa1100fb_set_par(struct fb_info *info) /* * Set (any) board control register to handle new color depth */ - sa1100fb_set_truecolor(fbi->fb.fix.visual == FB_VISUAL_TRUECOLOR); + sa1100fb_set_visual(fbi, fbi->fb.fix.visual); sa1100fb_activate_var(var, fbi); return 0; @@ -728,7 +482,7 @@ sa1100fb_set_cmap(struct fb_cmap *cmap, int kspc, int con, /* * Make sure the user isn't doing something stupid. */ - if (!kspc && (fbi->fb.var.bits_per_pixel == 16 || fbi->cmap_static)) + if (!kspc && (fbi->fb.var.bits_per_pixel == 16 || fbi->inf->cmap_static)) return -EINVAL; return gen_set_cmap(cmap, kspc, con, info); @@ -775,7 +529,7 @@ static int sa1100fb_blank(int blank, struct fb_info *info) struct sa1100fb_info *fbi = (struct sa1100fb_info *)info; int i; - DPRINTK("sa1100fb_blank: blank=%d\n", blank); + dev_dbg(fbi->dev, "sa1100fb_blank: blank=%d\n", blank); switch (blank) { case FB_BLANK_POWERDOWN: @@ -863,43 +617,43 @@ static int sa1100fb_activate_var(struct fb_var_screeninfo *var, struct sa1100fb_ u_int half_screen_size, yres, pcd; u_long flags; - DPRINTK("Configuring SA1100 LCD\n"); + dev_dbg(fbi->dev, "Configuring SA1100 LCD\n"); - DPRINTK("var: xres=%d hslen=%d lm=%d rm=%d\n", + dev_dbg(fbi->dev, "var: xres=%d hslen=%d lm=%d rm=%d\n", var->xres, var->hsync_len, var->left_margin, var->right_margin); - DPRINTK("var: yres=%d vslen=%d um=%d bm=%d\n", + dev_dbg(fbi->dev, "var: yres=%d vslen=%d um=%d bm=%d\n", var->yres, var->vsync_len, var->upper_margin, var->lower_margin); #if DEBUG_VAR if (var->xres < 16 || var->xres > 1024) - printk(KERN_ERR "%s: invalid xres %d\n", + dev_err(fbi->dev, "%s: invalid xres %d\n", fbi->fb.fix.id, var->xres); if (var->hsync_len < 1 || var->hsync_len > 64) - printk(KERN_ERR "%s: invalid hsync_len %d\n", + dev_err(fbi->dev, "%s: invalid hsync_len %d\n", fbi->fb.fix.id, var->hsync_len); if (var->left_margin < 1 || var->left_margin > 255) - printk(KERN_ERR "%s: invalid left_margin %d\n", + dev_err(fbi->dev, "%s: invalid left_margin %d\n", fbi->fb.fix.id, var->left_margin); if (var->right_margin < 1 || var->right_margin > 255) - printk(KERN_ERR "%s: invalid right_margin %d\n", + dev_err(fbi->dev, "%s: invalid right_margin %d\n", fbi->fb.fix.id, var->right_margin); if (var->yres < 1 || var->yres > 1024) - printk(KERN_ERR "%s: invalid yres %d\n", + dev_err(fbi->dev, "%s: invalid yres %d\n", fbi->fb.fix.id, var->yres); if (var->vsync_len < 1 || var->vsync_len > 64) - printk(KERN_ERR "%s: invalid vsync_len %d\n", + dev_err(fbi->dev, "%s: invalid vsync_len %d\n", fbi->fb.fix.id, var->vsync_len); if (var->upper_margin < 0 || var->upper_margin > 255) - printk(KERN_ERR "%s: invalid upper_margin %d\n", + dev_err(fbi->dev, "%s: invalid upper_margin %d\n", fbi->fb.fix.id, var->upper_margin); if (var->lower_margin < 0 || var->lower_margin > 255) - printk(KERN_ERR "%s: invalid lower_margin %d\n", + dev_err(fbi->dev, "%s: invalid lower_margin %d\n", fbi->fb.fix.id, var->lower_margin); #endif - new_regs.lccr0 = fbi->lccr0 | + new_regs.lccr0 = fbi->inf->lccr0 | LCCR0_LEN | LCCR0_LDM | LCCR0_BAM | LCCR0_ERM | LCCR0_LtlEnd | LCCR0_DMADel(0); @@ -914,7 +668,7 @@ static int sa1100fb_activate_var(struct fb_var_screeninfo *var, struct sa1100fb_ * the YRES parameter. */ yres = var->yres; - if (fbi->lccr0 & LCCR0_Dual) + if (fbi->inf->lccr0 & LCCR0_Dual) yres /= 2; new_regs.lccr2 = @@ -924,14 +678,14 @@ static int sa1100fb_activate_var(struct fb_var_screeninfo *var, struct sa1100fb_ LCCR2_EndFrmDel(var->lower_margin); pcd = get_pcd(var->pixclock, cpufreq_get(0)); - new_regs.lccr3 = LCCR3_PixClkDiv(pcd) | fbi->lccr3 | + new_regs.lccr3 = LCCR3_PixClkDiv(pcd) | fbi->inf->lccr3 | (var->sync & FB_SYNC_HOR_HIGH_ACT ? LCCR3_HorSnchH : LCCR3_HorSnchL) | (var->sync & FB_SYNC_VERT_HIGH_ACT ? LCCR3_VrtSnchH : LCCR3_VrtSnchL); - DPRINTK("nlccr0 = 0x%08lx\n", new_regs.lccr0); - DPRINTK("nlccr1 = 0x%08lx\n", new_regs.lccr1); - DPRINTK("nlccr2 = 0x%08lx\n", new_regs.lccr2); - DPRINTK("nlccr3 = 0x%08lx\n", new_regs.lccr3); + dev_dbg(fbi->dev, "nlccr0 = 0x%08lx\n", new_regs.lccr0); + dev_dbg(fbi->dev, "nlccr1 = 0x%08lx\n", new_regs.lccr1); + dev_dbg(fbi->dev, "nlccr2 = 0x%08lx\n", new_regs.lccr2); + dev_dbg(fbi->dev, "nlccr3 = 0x%08lx\n", new_regs.lccr3); half_screen_size = var->bits_per_pixel; half_screen_size = half_screen_size * var->xres * var->yres / 16; @@ -951,9 +705,12 @@ static int sa1100fb_activate_var(struct fb_var_screeninfo *var, struct sa1100fb_ * Only update the registers if the controller is enabled * and something has changed. */ - if ((LCCR0 != fbi->reg_lccr0) || (LCCR1 != fbi->reg_lccr1) || - (LCCR2 != fbi->reg_lccr2) || (LCCR3 != fbi->reg_lccr3) || - (DBAR1 != fbi->dbar1) || (DBAR2 != fbi->dbar2)) + if (readl_relaxed(fbi->base + LCCR0) != fbi->reg_lccr0 || + readl_relaxed(fbi->base + LCCR1) != fbi->reg_lccr1 || + readl_relaxed(fbi->base + LCCR2) != fbi->reg_lccr2 || + readl_relaxed(fbi->base + LCCR3) != fbi->reg_lccr3 || + readl_relaxed(fbi->base + DBAR1) != fbi->dbar1 || + readl_relaxed(fbi->base + DBAR2) != fbi->dbar2) sa1100fb_schedule_work(fbi, C_REENABLE); return 0; @@ -967,18 +724,18 @@ static int sa1100fb_activate_var(struct fb_var_screeninfo *var, struct sa1100fb_ */ static inline void __sa1100fb_backlight_power(struct sa1100fb_info *fbi, int on) { - DPRINTK("backlight o%s\n", on ? "n" : "ff"); + dev_dbg(fbi->dev, "backlight o%s\n", on ? "n" : "ff"); - if (sa1100fb_backlight_power) - sa1100fb_backlight_power(on); + if (fbi->inf->backlight_power) + fbi->inf->backlight_power(on); } static inline void __sa1100fb_lcd_power(struct sa1100fb_info *fbi, int on) { - DPRINTK("LCD power o%s\n", on ? "n" : "ff"); + dev_dbg(fbi->dev, "LCD power o%s\n", on ? "n" : "ff"); - if (sa1100fb_lcd_power) - sa1100fb_lcd_power(on); + if (fbi->inf->lcd_power) + fbi->inf->lcd_power(on); } static void sa1100fb_setup_gpio(struct sa1100fb_info *fbi) @@ -1008,14 +765,25 @@ static void sa1100fb_setup_gpio(struct sa1100fb_info *fbi) } if (mask) { + unsigned long flags; + + /* + * SA-1100 requires the GPIO direction register set + * appropriately for the alternate function. Hence + * we set it here via bitmask rather than excessive + * fiddling via the GPIO subsystem - and even then + * we'll still have to deal with GAFR. + */ + local_irq_save(flags); GPDR |= mask; GAFR |= mask; + local_irq_restore(flags); } } static void sa1100fb_enable_controller(struct sa1100fb_info *fbi) { - DPRINTK("Enabling LCD controller\n"); + dev_dbg(fbi->dev, "Enabling LCD controller\n"); /* * Make sure the mode bits are present in the first palette entry @@ -1024,43 +792,46 @@ static void sa1100fb_enable_controller(struct sa1100fb_info *fbi) fbi->palette_cpu[0] |= palette_pbs(&fbi->fb.var); /* Sequence from 11.7.10 */ - LCCR3 = fbi->reg_lccr3; - LCCR2 = fbi->reg_lccr2; - LCCR1 = fbi->reg_lccr1; - LCCR0 = fbi->reg_lccr0 & ~LCCR0_LEN; - DBAR1 = fbi->dbar1; - DBAR2 = fbi->dbar2; - LCCR0 |= LCCR0_LEN; - - if (machine_is_shannon()) { - GPDR |= SHANNON_GPIO_DISP_EN; - GPSR |= SHANNON_GPIO_DISP_EN; - } - - DPRINTK("DBAR1 = 0x%08x\n", DBAR1); - DPRINTK("DBAR2 = 0x%08x\n", DBAR2); - DPRINTK("LCCR0 = 0x%08x\n", LCCR0); - DPRINTK("LCCR1 = 0x%08x\n", LCCR1); - DPRINTK("LCCR2 = 0x%08x\n", LCCR2); - DPRINTK("LCCR3 = 0x%08x\n", LCCR3); + writel_relaxed(fbi->reg_lccr3, fbi->base + LCCR3); + writel_relaxed(fbi->reg_lccr2, fbi->base + LCCR2); + writel_relaxed(fbi->reg_lccr1, fbi->base + LCCR1); + writel_relaxed(fbi->reg_lccr0 & ~LCCR0_LEN, fbi->base + LCCR0); + writel_relaxed(fbi->dbar1, fbi->base + DBAR1); + writel_relaxed(fbi->dbar2, fbi->base + DBAR2); + writel_relaxed(fbi->reg_lccr0 | LCCR0_LEN, fbi->base + LCCR0); + + if (machine_is_shannon()) + gpio_set_value(SHANNON_GPIO_DISP_EN, 1); + + dev_dbg(fbi->dev, "DBAR1: 0x%08x\n", readl_relaxed(fbi->base + DBAR1)); + dev_dbg(fbi->dev, "DBAR2: 0x%08x\n", readl_relaxed(fbi->base + DBAR2)); + dev_dbg(fbi->dev, "LCCR0: 0x%08x\n", readl_relaxed(fbi->base + LCCR0)); + dev_dbg(fbi->dev, "LCCR1: 0x%08x\n", readl_relaxed(fbi->base + LCCR1)); + dev_dbg(fbi->dev, "LCCR2: 0x%08x\n", readl_relaxed(fbi->base + LCCR2)); + dev_dbg(fbi->dev, "LCCR3: 0x%08x\n", readl_relaxed(fbi->base + LCCR3)); } static void sa1100fb_disable_controller(struct sa1100fb_info *fbi) { DECLARE_WAITQUEUE(wait, current); + u32 lccr0; - DPRINTK("Disabling LCD controller\n"); + dev_dbg(fbi->dev, "Disabling LCD controller\n"); - if (machine_is_shannon()) { - GPCR |= SHANNON_GPIO_DISP_EN; - } + if (machine_is_shannon()) + gpio_set_value(SHANNON_GPIO_DISP_EN, 0); set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&fbi->ctrlr_wait, &wait); - LCSR = 0xffffffff; /* Clear LCD Status Register */ - LCCR0 &= ~LCCR0_LDM; /* Enable LCD Disable Done Interrupt */ - LCCR0 &= ~LCCR0_LEN; /* Disable LCD Controller */ + /* Clear LCD Status Register */ + writel_relaxed(~0, fbi->base + LCSR); + + lccr0 = readl_relaxed(fbi->base + LCCR0); + lccr0 &= ~LCCR0_LDM; /* Enable LCD Disable Done Interrupt */ + writel_relaxed(lccr0, fbi->base + LCCR0); + lccr0 &= ~LCCR0_LEN; /* Disable LCD Controller */ + writel_relaxed(lccr0, fbi->base + LCCR0); schedule_timeout(20 * HZ / 1000); remove_wait_queue(&fbi->ctrlr_wait, &wait); @@ -1072,14 +843,15 @@ static void sa1100fb_disable_controller(struct sa1100fb_info *fbi) static irqreturn_t sa1100fb_handle_irq(int irq, void *dev_id) { struct sa1100fb_info *fbi = dev_id; - unsigned int lcsr = LCSR; + unsigned int lcsr = readl_relaxed(fbi->base + LCSR); if (lcsr & LCSR_LDD) { - LCCR0 |= LCCR0_LDM; + u32 lccr0 = readl_relaxed(fbi->base + LCCR0) | LCCR0_LDM; + writel_relaxed(lccr0, fbi->base + LCCR0); wake_up(&fbi->ctrlr_wait); } - LCSR = lcsr; + writel_relaxed(lcsr, fbi->base + LCSR); return IRQ_HANDLED; } @@ -1268,7 +1040,7 @@ sa1100fb_freq_policy(struct notifier_block *nb, unsigned long val, switch (val) { case CPUFREQ_ADJUST: case CPUFREQ_INCOMPATIBLE: - printk(KERN_DEBUG "min dma period: %d ps, " + dev_dbg(fbi->dev, "min dma period: %d ps, " "new clock %d kHz\n", sa1100fb_min_dma_period(fbi), policy->max); /* todo: fill in min/max values */ @@ -1318,7 +1090,7 @@ static int sa1100fb_resume(struct platform_device *dev) * cache. Once this area is remapped, all virtual memory * access to the video memory should occur at the new region. */ -static int __init sa1100fb_map_video_memory(struct sa1100fb_info *fbi) +static int __devinit sa1100fb_map_video_memory(struct sa1100fb_info *fbi) { /* * We reserve one page for the palette, plus the size @@ -1344,7 +1116,7 @@ static int __init sa1100fb_map_video_memory(struct sa1100fb_info *fbi) } /* Fake monspecs to fill in fbinfo structure */ -static struct fb_monspecs monspecs __initdata = { +static struct fb_monspecs monspecs __devinitdata = { .hfmin = 30000, .hfmax = 70000, .vfmin = 50, @@ -1352,10 +1124,11 @@ static struct fb_monspecs monspecs __initdata = { }; -static struct sa1100fb_info * __init sa1100fb_init_fbinfo(struct device *dev) +static struct sa1100fb_info * __devinit sa1100fb_init_fbinfo(struct device *dev) { - struct sa1100fb_mach_info *inf; + struct sa1100fb_mach_info *inf = dev->platform_data; struct sa1100fb_info *fbi; + unsigned i; fbi = kmalloc(sizeof(struct sa1100fb_info) + sizeof(u32) * 16, GFP_KERNEL); @@ -1390,8 +1163,6 @@ static struct sa1100fb_info * __init sa1100fb_init_fbinfo(struct device *dev) fbi->rgb[RGB_8] = &rgb_8; fbi->rgb[RGB_16] = &def_rgb_16; - inf = sa1100fb_get_machine_info(fbi); - /* * People just don't seem to get this. We don't support * anything but correct entries now, so panic if someone @@ -1402,13 +1173,10 @@ static struct sa1100fb_info * __init sa1100fb_init_fbinfo(struct device *dev) panic("sa1100fb error: invalid LCCR3 fields set or zero " "pixclock."); - fbi->max_xres = inf->xres; fbi->fb.var.xres = inf->xres; fbi->fb.var.xres_virtual = inf->xres; - fbi->max_yres = inf->yres; fbi->fb.var.yres = inf->yres; fbi->fb.var.yres_virtual = inf->yres; - fbi->max_bpp = inf->bpp; fbi->fb.var.bits_per_pixel = inf->bpp; fbi->fb.var.pixclock = inf->pixclock; fbi->fb.var.hsync_len = inf->hsync_len; @@ -1419,14 +1187,16 @@ static struct sa1100fb_info * __init sa1100fb_init_fbinfo(struct device *dev) fbi->fb.var.lower_margin = inf->lower_margin; fbi->fb.var.sync = inf->sync; fbi->fb.var.grayscale = inf->cmap_greyscale; - fbi->cmap_inverse = inf->cmap_inverse; - fbi->cmap_static = inf->cmap_static; - fbi->lccr0 = inf->lccr0; - fbi->lccr3 = inf->lccr3; fbi->state = C_STARTUP; fbi->task_state = (u_char)-1; - fbi->fb.fix.smem_len = fbi->max_xres * fbi->max_yres * - fbi->max_bpp / 8; + fbi->fb.fix.smem_len = inf->xres * inf->yres * + inf->bpp / 8; + fbi->inf = inf; + + /* Copy the RGB bitfield overrides */ + for (i = 0; i < NR_RGB; i++) + if (inf->rgb[i]) + fbi->rgb[i] = inf->rgb[i]; init_waitqueue_head(&fbi->ctrlr_wait); INIT_WORK(&fbi->task, sa1100fb_task); @@ -1438,13 +1208,20 @@ static struct sa1100fb_info * __init sa1100fb_init_fbinfo(struct device *dev) static int __devinit sa1100fb_probe(struct platform_device *pdev) { struct sa1100fb_info *fbi; + struct resource *res; int ret, irq; + if (!pdev->dev.platform_data) { + dev_err(&pdev->dev, "no platform LCD data\n"); + return -EINVAL; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_irq(pdev, 0); - if (irq < 0) + if (irq < 0 || !res) return -EINVAL; - if (!request_mem_region(0xb0100000, 0x10000, "LCD")) + if (!request_mem_region(res->start, resource_size(res), "LCD")) return -EBUSY; fbi = sa1100fb_init_fbinfo(&pdev->dev); @@ -1452,6 +1229,10 @@ static int __devinit sa1100fb_probe(struct platform_device *pdev) if (!fbi) goto failed; + fbi->base = ioremap(res->start, resource_size(res)); + if (!fbi->base) + goto failed; + /* Initialize video memory */ ret = sa1100fb_map_video_memory(fbi); if (ret) @@ -1459,14 +1240,16 @@ static int __devinit sa1100fb_probe(struct platform_device *pdev) ret = request_irq(irq, sa1100fb_handle_irq, 0, "LCD", fbi); if (ret) { - printk(KERN_ERR "sa1100fb: request_irq failed: %d\n", ret); + dev_err(&pdev->dev, "request_irq failed: %d\n", ret); goto failed; } -#ifdef ASSABET_PAL_VIDEO - if (machine_is_assabet()) - ASSABET_BCR_clear(ASSABET_BCR_LCD_ON); -#endif + if (machine_is_shannon()) { + ret = gpio_request_one(SHANNON_GPIO_DISP_EN, + GPIOF_OUT_INIT_LOW, "display enable"); + if (ret) + goto err_free_irq; + } /* * This makes sure that our colour bitfield @@ -1478,7 +1261,7 @@ static int __devinit sa1100fb_probe(struct platform_device *pdev) ret = register_framebuffer(&fbi->fb); if (ret < 0) - goto err_free_irq; + goto err_reg_fb; #ifdef CONFIG_CPU_FREQ fbi->freq_transition.notifier_call = sa1100fb_freq_transition; @@ -1490,12 +1273,17 @@ static int __devinit sa1100fb_probe(struct platform_device *pdev) /* This driver cannot be unloaded at the moment */ return 0; + err_reg_fb: + if (machine_is_shannon()) + gpio_free(SHANNON_GPIO_DISP_EN); err_free_irq: free_irq(irq, fbi); failed: + if (fbi) + iounmap(fbi->base); platform_set_drvdata(pdev, NULL); kfree(fbi); - release_mem_region(0xb0100000, 0x10000); + release_mem_region(res->start, resource_size(res)); return ret; } @@ -1505,6 +1293,7 @@ static struct platform_driver sa1100fb_driver = { .resume = sa1100fb_resume, .driver = { .name = "sa11x0-fb", + .owner = THIS_MODULE, }, }; diff --git a/drivers/video/sa1100fb.h b/drivers/video/sa1100fb.h index 1c3b459..fc5d429 100644 --- a/drivers/video/sa1100fb.h +++ b/drivers/video/sa1100fb.h @@ -10,44 +10,15 @@ * for more details. */ -/* - * These are the bitfields for each - * display depth that we support. - */ -struct sa1100fb_rgb { - struct fb_bitfield red; - struct fb_bitfield green; - struct fb_bitfield blue; - struct fb_bitfield transp; -}; - -/* - * This structure describes the machine which we are running on. - */ -struct sa1100fb_mach_info { - u_long pixclock; - - u_short xres; - u_short yres; - - u_char bpp; - u_char hsync_len; - u_char left_margin; - u_char right_margin; - - u_char vsync_len; - u_char upper_margin; - u_char lower_margin; - u_char sync; - - u_int cmap_greyscale:1, - cmap_inverse:1, - cmap_static:1, - unused:29; - - u_int lccr0; - u_int lccr3; -}; +#define LCCR0 0x0000 /* LCD Control Reg. 0 */ +#define LCSR 0x0004 /* LCD Status Reg. */ +#define DBAR1 0x0010 /* LCD DMA Base Address Reg. channel 1 */ +#define DCAR1 0x0014 /* LCD DMA Current Address Reg. channel 1 */ +#define DBAR2 0x0018 /* LCD DMA Base Address Reg. channel 2 */ +#define DCAR2 0x001C /* LCD DMA Current Address Reg. channel 2 */ +#define LCCR1 0x0020 /* LCD Control Reg. 1 */ +#define LCCR2 0x0024 /* LCD Control Reg. 2 */ +#define LCCR3 0x0028 /* LCD Control Reg. 3 */ /* Shadows for LCD controller registers */ struct sa1100fb_lcd_reg { @@ -57,19 +28,11 @@ struct sa1100fb_lcd_reg { unsigned long lccr3; }; -#define RGB_4 (0) -#define RGB_8 (1) -#define RGB_16 (2) -#define NR_RGB 3 - struct sa1100fb_info { struct fb_info fb; struct device *dev; - struct sa1100fb_rgb *rgb[NR_RGB]; - - u_int max_bpp; - u_int max_xres; - u_int max_yres; + const struct sa1100fb_rgb *rgb[NR_RGB]; + void __iomem *base; /* * These are the addresses we mapped @@ -88,12 +51,6 @@ struct sa1100fb_info { dma_addr_t dbar1; dma_addr_t dbar2; - u_int lccr0; - u_int lccr3; - u_int cmap_inverse:1, - cmap_static:1, - unused:30; - u_int reg_lccr0; u_int reg_lccr1; u_int reg_lccr2; @@ -109,6 +66,8 @@ struct sa1100fb_info { struct notifier_block freq_transition; struct notifier_block freq_policy; #endif + + const struct sa1100fb_mach_info *inf; }; #define TO_INF(ptr,member) container_of(ptr,struct sa1100fb_info,member) @@ -130,15 +89,6 @@ struct sa1100fb_info { #define SA1100_NAME "SA1100" /* - * Debug macros - */ -#if DEBUG -# define DPRINTK(fmt, args...) printk("%s: " fmt, __func__ , ## args) -#else -# define DPRINTK(fmt, args...) -#endif - -/* * Minimum X and Y resolutions */ #define MIN_XRES 64 diff --git a/drivers/video/savage/savagefb_driver.c b/drivers/video/savage/savagefb_driver.c index beb4950..cee7803 100644 --- a/drivers/video/savage/savagefb_driver.c +++ b/drivers/video/savage/savagefb_driver.c @@ -56,7 +56,6 @@ #include <asm/io.h> #include <asm/irq.h> #include <asm/pgtable.h> -#include <asm/system.h> #ifdef CONFIG_MTRR #include <asm/mtrr.h> diff --git a/drivers/video/sh_mipi_dsi.c b/drivers/video/sh_mipi_dsi.c index 05151b8..4c6b844 100644 --- a/drivers/video/sh_mipi_dsi.c +++ b/drivers/video/sh_mipi_dsi.c @@ -24,6 +24,8 @@ #include <video/sh_mipi_dsi.h> #include <video/sh_mobile_lcdc.h> +#include "sh_mobile_lcdcfb.h" + #define SYSCTRL 0x0000 #define SYSCONF 0x0004 #define TIMSET 0x0008 @@ -50,16 +52,16 @@ #define MAX_SH_MIPI_DSI 2 struct sh_mipi { + struct sh_mobile_lcdc_entity entity; + void __iomem *base; void __iomem *linkbase; struct clk *dsit_clk; struct platform_device *pdev; - - void *next_board_data; - void (*next_display_on)(void *board_data, struct fb_info *info); - void (*next_display_off)(void *board_data); }; +#define to_sh_mipi(e) container_of(e, struct sh_mipi, entity) + static struct sh_mipi *mipi_dsi[MAX_SH_MIPI_DSI]; /* Protect the above array */ @@ -120,7 +122,7 @@ static void sh_mipi_dsi_enable(struct sh_mipi *mipi, bool enable) static void sh_mipi_shutdown(struct platform_device *pdev) { - struct sh_mipi *mipi = platform_get_drvdata(pdev); + struct sh_mipi *mipi = to_sh_mipi(platform_get_drvdata(pdev)); sh_mipi_dsi_enable(mipi, false); } @@ -145,77 +147,77 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi, pctype = 0; datatype = MIPI_DSI_PACKED_PIXEL_STREAM_24; pixfmt = MIPI_DCS_PIXEL_FMT_24BIT; - linelength = ch->lcd_cfg[0].xres * 3; + linelength = ch->lcd_modes[0].xres * 3; yuv = false; break; case MIPI_RGB565: pctype = 1; datatype = MIPI_DSI_PACKED_PIXEL_STREAM_16; pixfmt = MIPI_DCS_PIXEL_FMT_16BIT; - linelength = ch->lcd_cfg[0].xres * 2; + linelength = ch->lcd_modes[0].xres * 2; yuv = false; break; case MIPI_RGB666_LP: pctype = 2; datatype = MIPI_DSI_PIXEL_STREAM_3BYTE_18; pixfmt = MIPI_DCS_PIXEL_FMT_24BIT; - linelength = ch->lcd_cfg[0].xres * 3; + linelength = ch->lcd_modes[0].xres * 3; yuv = false; break; case MIPI_RGB666: pctype = 3; datatype = MIPI_DSI_PACKED_PIXEL_STREAM_18; pixfmt = MIPI_DCS_PIXEL_FMT_18BIT; - linelength = (ch->lcd_cfg[0].xres * 18 + 7) / 8; + linelength = (ch->lcd_modes[0].xres * 18 + 7) / 8; yuv = false; break; case MIPI_BGR888: pctype = 8; datatype = MIPI_DSI_PACKED_PIXEL_STREAM_24; pixfmt = MIPI_DCS_PIXEL_FMT_24BIT; - linelength = ch->lcd_cfg[0].xres * 3; + linelength = ch->lcd_modes[0].xres * 3; yuv = false; break; case MIPI_BGR565: pctype = 9; datatype = MIPI_DSI_PACKED_PIXEL_STREAM_16; pixfmt = MIPI_DCS_PIXEL_FMT_16BIT; - linelength = ch->lcd_cfg[0].xres * 2; + linelength = ch->lcd_modes[0].xres * 2; yuv = false; break; case MIPI_BGR666_LP: pctype = 0xa; datatype = MIPI_DSI_PIXEL_STREAM_3BYTE_18; pixfmt = MIPI_DCS_PIXEL_FMT_24BIT; - linelength = ch->lcd_cfg[0].xres * 3; + linelength = ch->lcd_modes[0].xres * 3; yuv = false; break; case MIPI_BGR666: pctype = 0xb; datatype = MIPI_DSI_PACKED_PIXEL_STREAM_18; pixfmt = MIPI_DCS_PIXEL_FMT_18BIT; - linelength = (ch->lcd_cfg[0].xres * 18 + 7) / 8; + linelength = (ch->lcd_modes[0].xres * 18 + 7) / 8; yuv = false; break; case MIPI_YUYV: pctype = 4; datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16; pixfmt = MIPI_DCS_PIXEL_FMT_16BIT; - linelength = ch->lcd_cfg[0].xres * 2; + linelength = ch->lcd_modes[0].xres * 2; yuv = true; break; case MIPI_UYVY: pctype = 5; datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16; pixfmt = MIPI_DCS_PIXEL_FMT_16BIT; - linelength = ch->lcd_cfg[0].xres * 2; + linelength = ch->lcd_modes[0].xres * 2; yuv = true; break; case MIPI_YUV420_L: pctype = 6; datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12; pixfmt = MIPI_DCS_PIXEL_FMT_12BIT; - linelength = (ch->lcd_cfg[0].xres * 12 + 7) / 8; + linelength = (ch->lcd_modes[0].xres * 12 + 7) / 8; yuv = true; break; case MIPI_YUV420: @@ -223,7 +225,7 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi, datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12; pixfmt = MIPI_DCS_PIXEL_FMT_12BIT; /* Length of U/V line */ - linelength = (ch->lcd_cfg[0].xres + 1) / 2; + linelength = (ch->lcd_modes[0].xres + 1) / 2; yuv = true; break; default: @@ -271,7 +273,7 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi, iowrite32(0x00000001, base + PHYCTRL); udelay(200); /* Deassert resets, power on */ - iowrite32(0x03070001, base + PHYCTRL); + iowrite32(0x03070001 | pdata->phyctrl, base + PHYCTRL); /* * Default = ULPS enable | @@ -292,7 +294,7 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi, */ iowrite32(0x00000006, mipi->linkbase + DTCTR); /* VSYNC width = 2 (<< 17) */ - iowrite32((ch->lcd_cfg[0].vsync_len << pdata->vsynw_offset) | + iowrite32((ch->lcd_modes[0].vsync_len << pdata->vsynw_offset) | (pdata->clksrc << 16) | (pctype << 12) | datatype, mipi->linkbase + VMCTR1); @@ -326,7 +328,7 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi, top = linelength << 16; /* RGBLEN */ bottom = 0x00000001; if (pdata->flags & SH_MIPI_DSI_HSABM) /* HSALEN */ - bottom = (pdata->lane * ch->lcd_cfg[0].hsync_len) - 10; + bottom = (pdata->lane * ch->lcd_modes[0].hsync_len) - 10; iowrite32(top | bottom , mipi->linkbase + VMLEN1); /* @@ -346,18 +348,18 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi, div = 2; if (pdata->flags & SH_MIPI_DSI_HFPBM) { /* HBPLEN */ - top = ch->lcd_cfg[0].hsync_len + ch->lcd_cfg[0].left_margin; + top = ch->lcd_modes[0].hsync_len + ch->lcd_modes[0].left_margin; top = ((pdata->lane * top / div) - 10) << 16; } if (pdata->flags & SH_MIPI_DSI_HBPBM) { /* HFPLEN */ - bottom = ch->lcd_cfg[0].right_margin; + bottom = ch->lcd_modes[0].right_margin; bottom = (pdata->lane * bottom / div) - 12; } - bpp = linelength / ch->lcd_cfg[0].xres; /* byte / pixel */ + bpp = linelength / ch->lcd_modes[0].xres; /* byte / pixel */ if ((pdata->lane / div) > bpp) { - tmp = ch->lcd_cfg[0].xres / bpp; /* output cycle */ - tmp = ch->lcd_cfg[0].xres - tmp; /* (input - output) cycle */ + tmp = ch->lcd_modes[0].xres / bpp; /* output cycle */ + tmp = ch->lcd_modes[0].xres - tmp; /* (input - output) cycle */ delay = (pdata->lane * tmp); } @@ -392,9 +394,9 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi, return 0; } -static void mipi_display_on(void *arg, struct fb_info *info) +static int mipi_display_on(struct sh_mobile_lcdc_entity *entity) { - struct sh_mipi *mipi = arg; + struct sh_mipi *mipi = to_sh_mipi(entity); struct sh_mipi_dsi_info *pdata = mipi->pdev->dev.platform_data; int ret; @@ -410,25 +412,21 @@ static void mipi_display_on(void *arg, struct fb_info *info) sh_mipi_dsi_enable(mipi, true); - if (mipi->next_display_on) - mipi->next_display_on(mipi->next_board_data, info); - - return; + return SH_MOBILE_LCDC_DISPLAY_CONNECTED; mipi_display_on_fail1: pm_runtime_put_sync(&mipi->pdev->dev); mipi_display_on_fail2: pdata->set_dot_clock(mipi->pdev, mipi->base, 0); + + return ret; } -static void mipi_display_off(void *arg) +static void mipi_display_off(struct sh_mobile_lcdc_entity *entity) { - struct sh_mipi *mipi = arg; + struct sh_mipi *mipi = to_sh_mipi(entity); struct sh_mipi_dsi_info *pdata = mipi->pdev->dev.platform_data; - if (mipi->next_display_off) - mipi->next_display_off(mipi->next_board_data); - sh_mipi_dsi_enable(mipi, false); pdata->set_dot_clock(mipi->pdev, mipi->base, 0); @@ -436,6 +434,11 @@ static void mipi_display_off(void *arg) pm_runtime_put_sync(&mipi->pdev->dev); } +static const struct sh_mobile_lcdc_entity_ops mipi_ops = { + .display_on = mipi_display_on, + .display_off = mipi_display_off, +}; + static int __init sh_mipi_probe(struct platform_device *pdev) { struct sh_mipi *mipi; @@ -467,6 +470,9 @@ static int __init sh_mipi_probe(struct platform_device *pdev) goto ealloc; } + mipi->entity.owner = THIS_MODULE; + mipi->entity.ops = &mipi_ops; + if (!request_mem_region(res->start, resource_size(res), pdev->name)) { dev_err(&pdev->dev, "MIPI register region already claimed\n"); ret = -EBUSY; @@ -521,18 +527,7 @@ static int __init sh_mipi_probe(struct platform_device *pdev) pm_runtime_resume(&pdev->dev); mutex_unlock(&array_lock); - platform_set_drvdata(pdev, mipi); - - /* Save original LCDC callbacks */ - mipi->next_board_data = pdata->lcd_chan->board_cfg.board_data; - mipi->next_display_on = pdata->lcd_chan->board_cfg.display_on; - mipi->next_display_off = pdata->lcd_chan->board_cfg.display_off; - - /* Set up LCDC callbacks */ - pdata->lcd_chan->board_cfg.board_data = mipi; - pdata->lcd_chan->board_cfg.display_on = mipi_display_on; - pdata->lcd_chan->board_cfg.display_off = mipi_display_off; - pdata->lcd_chan->board_cfg.owner = THIS_MODULE; + platform_set_drvdata(pdev, &mipi->entity); return 0; @@ -558,10 +553,9 @@ efindslot: static int __exit sh_mipi_remove(struct platform_device *pdev) { - struct sh_mipi_dsi_info *pdata = pdev->dev.platform_data; struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); struct resource *res2 = platform_get_resource(pdev, IORESOURCE_MEM, 1); - struct sh_mipi *mipi = platform_get_drvdata(pdev); + struct sh_mipi *mipi = to_sh_mipi(platform_get_drvdata(pdev)); int i, ret; mutex_lock(&array_lock); @@ -581,11 +575,6 @@ static int __exit sh_mipi_remove(struct platform_device *pdev) if (ret < 0) return ret; - pdata->lcd_chan->board_cfg.owner = NULL; - pdata->lcd_chan->board_cfg.display_on = NULL; - pdata->lcd_chan->board_cfg.display_off = NULL; - pdata->lcd_chan->board_cfg.board_data = NULL; - pm_runtime_disable(&pdev->dev); clk_disable(mipi->dsit_clk); clk_put(mipi->dsit_clk); diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c index 647ba98..eafb19d 100644 --- a/drivers/video/sh_mobile_hdmi.c +++ b/drivers/video/sh_mobile_hdmi.c @@ -208,6 +208,8 @@ enum hotplug_state { }; struct sh_hdmi { + struct sh_mobile_lcdc_entity entity; + void __iomem *base; enum hotplug_state hp_state; /* hot-plug status */ u8 preprogrammed_vic; /* use a pre-programmed VIC or @@ -217,14 +219,13 @@ struct sh_hdmi { u8 edid_blocks; struct clk *hdmi_clk; struct device *dev; - struct fb_info *info; - struct mutex mutex; /* Protect the info pointer */ struct delayed_work edid_work; - struct fb_var_screeninfo var; + struct fb_videomode mode; struct fb_monspecs monspec; - struct notifier_block notifier; }; +#define entity_to_sh_hdmi(e) container_of(e, struct sh_hdmi, entity) + static void hdmi_write(struct sh_hdmi *hdmi, u8 data, u8 reg) { iowrite8(data, hdmi->base + reg); @@ -290,24 +291,24 @@ static struct snd_soc_codec_driver soc_codec_dev_sh_hdmi = { /* External video parameter settings */ static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi) { - struct fb_var_screeninfo *var = &hdmi->var; + struct fb_videomode *mode = &hdmi->mode; u16 htotal, hblank, hdelay, vtotal, vblank, vdelay, voffset; u8 sync = 0; - htotal = var->xres + var->right_margin + var->left_margin + var->hsync_len; - - hdelay = var->hsync_len + var->left_margin; - hblank = var->right_margin + hdelay; + htotal = mode->xres + mode->right_margin + mode->left_margin + + mode->hsync_len; + hdelay = mode->hsync_len + mode->left_margin; + hblank = mode->right_margin + hdelay; /* * Vertical timing looks a bit different in Figure 18, * but let's try the same first by setting offset = 0 */ - vtotal = var->yres + var->upper_margin + var->lower_margin + var->vsync_len; - - vdelay = var->vsync_len + var->upper_margin; - vblank = var->lower_margin + vdelay; - voffset = min(var->upper_margin / 2, 6U); + vtotal = mode->yres + mode->upper_margin + mode->lower_margin + + mode->vsync_len; + vdelay = mode->vsync_len + mode->upper_margin; + vblank = mode->lower_margin + vdelay; + voffset = min(mode->upper_margin / 2, 6U); /* * [3]: VSYNC polarity: Positive @@ -315,14 +316,14 @@ static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi) * [1]: Interlace/Progressive: Progressive * [0]: External video settings enable: used. */ - if (var->sync & FB_SYNC_HOR_HIGH_ACT) + if (mode->sync & FB_SYNC_HOR_HIGH_ACT) sync |= 4; - if (var->sync & FB_SYNC_VERT_HIGH_ACT) + if (mode->sync & FB_SYNC_VERT_HIGH_ACT) sync |= 8; dev_dbg(hdmi->dev, "H: %u, %u, %u, %u; V: %u, %u, %u, %u; sync 0x%x\n", - htotal, hblank, hdelay, var->hsync_len, - vtotal, vblank, vdelay, var->vsync_len, sync); + htotal, hblank, hdelay, mode->hsync_len, + vtotal, vblank, vdelay, mode->vsync_len, sync); hdmi_write(hdmi, sync | (voffset << 4), HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS); @@ -335,8 +336,8 @@ static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi) hdmi_write(hdmi, hdelay, HDMI_EXTERNAL_H_DELAY_7_0); hdmi_write(hdmi, hdelay >> 8, HDMI_EXTERNAL_H_DELAY_9_8); - hdmi_write(hdmi, var->hsync_len, HDMI_EXTERNAL_H_DURATION_7_0); - hdmi_write(hdmi, var->hsync_len >> 8, HDMI_EXTERNAL_H_DURATION_9_8); + hdmi_write(hdmi, mode->hsync_len, HDMI_EXTERNAL_H_DURATION_7_0); + hdmi_write(hdmi, mode->hsync_len >> 8, HDMI_EXTERNAL_H_DURATION_9_8); hdmi_write(hdmi, vtotal, HDMI_EXTERNAL_V_TOTAL_7_0); hdmi_write(hdmi, vtotal >> 8, HDMI_EXTERNAL_V_TOTAL_9_8); @@ -345,7 +346,7 @@ static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi) hdmi_write(hdmi, vdelay, HDMI_EXTERNAL_V_DELAY); - hdmi_write(hdmi, var->vsync_len, HDMI_EXTERNAL_V_DURATION); + hdmi_write(hdmi, mode->vsync_len, HDMI_EXTERNAL_V_DURATION); /* Set bit 0 of HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS here for external mode */ if (!hdmi->preprogrammed_vic) @@ -472,7 +473,7 @@ static void sh_hdmi_audio_config(struct sh_hdmi *hdmi) */ static void sh_hdmi_phy_config(struct sh_hdmi *hdmi) { - if (hdmi->var.pixclock < 10000) { + if (hdmi->mode.pixclock < 10000) { /* for 1080p8bit 148MHz */ hdmi_write(hdmi, 0x1d, HDMI_SLIPHDMIT_PARAM_SETTINGS_1); hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2); @@ -483,7 +484,7 @@ static void sh_hdmi_phy_config(struct sh_hdmi *hdmi) hdmi_write(hdmi, 0x0e, HDMI_SLIPHDMIT_PARAM_SETTINGS_8); hdmi_write(hdmi, 0x25, HDMI_SLIPHDMIT_PARAM_SETTINGS_9); hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10); - } else if (hdmi->var.pixclock < 30000) { + } else if (hdmi->mode.pixclock < 30000) { /* 720p, 8bit, 74.25MHz. Might need to be adjusted for other formats */ /* * [1:0] Speed_A @@ -732,14 +733,12 @@ static unsigned long sh_hdmi_rate_error(struct sh_hdmi *hdmi, static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate, unsigned long *parent_rate) { - struct fb_var_screeninfo tmpvar; - struct fb_var_screeninfo *var = &tmpvar; + struct sh_mobile_lcdc_chan *ch = hdmi->entity.lcdc; const struct fb_videomode *mode, *found = NULL; - struct fb_info *info = hdmi->info; - struct fb_modelist *modelist = NULL; unsigned int f_width = 0, f_height = 0, f_refresh = 0; unsigned long found_rate_error = ULONG_MAX; /* silly compiler... */ bool scanning = false, preferred_bad = false; + bool use_edid_mode = false; u8 edid[128]; char *forced; int i; @@ -854,12 +853,9 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate, } /* Check if supported: sufficient fb memory, supported clock-rate */ - fb_videomode_to_var(var, mode); - - var->bits_per_pixel = info->var.bits_per_pixel; - - if (info && info->fbops->fb_check_var && - info->fbops->fb_check_var(var, info)) { + if (ch && ch->notify && + ch->notify(ch, SH_MOBILE_LCDC_EVENT_DISPLAY_MODE, mode, + NULL)) { scanning = true; preferred_bad = true; continue; @@ -867,28 +863,19 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate, found = mode; found_rate_error = rate_error; + use_edid_mode = true; } - hdmi->var.width = hdmi->monspec.max_x * 10; - hdmi->var.height = hdmi->monspec.max_y * 10; - /* - * TODO 1: if no ->info is present, postpone running the config until - * after ->info first gets registered. + * TODO 1: if no default mode is present, postpone running the config + * until after the LCDC channel is initialized. * TODO 2: consider registering the HDMI platform device from the LCDC - * driver, and passing ->info with HDMI platform data. + * driver. */ - if (info && !found) { - modelist = info->modelist.next && - !list_empty(&info->modelist) ? - list_entry(info->modelist.next, - struct fb_modelist, list) : - NULL; - - if (modelist) { - found = &modelist->mode; - found_rate_error = sh_hdmi_rate_error(hdmi, found, hdmi_rate, parent_rate); - } + if (!found && hdmi->entity.def_mode.xres != 0) { + found = &hdmi->entity.def_mode; + found_rate_error = sh_hdmi_rate_error(hdmi, found, hdmi_rate, + parent_rate); } /* No cookie today */ @@ -912,12 +899,13 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate, else hdmi->preprogrammed_vic = 0; - dev_dbg(hdmi->dev, "Using %s %s mode %ux%u@%uHz (%luHz), clock error %luHz\n", - modelist ? "default" : "EDID", hdmi->preprogrammed_vic ? "VIC" : "external", - found->xres, found->yres, found->refresh, - PICOS2KHZ(found->pixclock) * 1000, found_rate_error); + dev_dbg(hdmi->dev, "Using %s %s mode %ux%u@%uHz (%luHz), " + "clock error %luHz\n", use_edid_mode ? "EDID" : "default", + hdmi->preprogrammed_vic ? "VIC" : "external", found->xres, + found->yres, found->refresh, PICOS2KHZ(found->pixclock) * 1000, + found_rate_error); - fb_videomode_to_var(&hdmi->var, found); + hdmi->mode = *found; sh_hdmi_external_video_param(hdmi); return 0; @@ -998,22 +986,12 @@ static irqreturn_t sh_hdmi_hotplug(int irq, void *dev_id) return IRQ_HANDLED; } -/* locking: called with info->lock held, or before register_framebuffer() */ -static void sh_hdmi_display_on(void *arg, struct fb_info *info) +static int sh_hdmi_display_on(struct sh_mobile_lcdc_entity *entity) { - /* - * info is guaranteed to be valid, when we are called, because our - * FB_EVENT_FB_UNBIND notify is also called with info->lock held - */ - struct sh_hdmi *hdmi = arg; - struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data; - struct sh_mobile_lcdc_chan *ch = info->par; + struct sh_hdmi *hdmi = entity_to_sh_hdmi(entity); - dev_dbg(hdmi->dev, "%s(%p): state %x\n", __func__, - pdata->lcd_dev, info->state); - - /* No need to lock */ - hdmi->info = info; + dev_dbg(hdmi->dev, "%s(%p): state %x\n", __func__, hdmi, + hdmi->hp_state); /* * hp_state can be set to @@ -1021,56 +999,30 @@ static void sh_hdmi_display_on(void *arg, struct fb_info *info) * HDMI_HOTPLUG_CONNECTED: on monitor plug-in * HDMI_HOTPLUG_EDID_DONE: on EDID read completion */ - switch (hdmi->hp_state) { - case HDMI_HOTPLUG_EDID_DONE: + if (hdmi->hp_state == HDMI_HOTPLUG_EDID_DONE) { /* PS mode d->e. All functions are active */ hdmi_write(hdmi, 0x80, HDMI_SYSTEM_CTRL); dev_dbg(hdmi->dev, "HDMI running\n"); - break; - case HDMI_HOTPLUG_DISCONNECTED: - info->state = FBINFO_STATE_SUSPENDED; - default: - hdmi->var = ch->display_var; } + + return hdmi->hp_state == HDMI_HOTPLUG_DISCONNECTED + ? SH_MOBILE_LCDC_DISPLAY_DISCONNECTED + : SH_MOBILE_LCDC_DISPLAY_CONNECTED; } -/* locking: called with info->lock held */ -static void sh_hdmi_display_off(void *arg) +static void sh_hdmi_display_off(struct sh_mobile_lcdc_entity *entity) { - struct sh_hdmi *hdmi = arg; - struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data; + struct sh_hdmi *hdmi = entity_to_sh_hdmi(entity); - dev_dbg(hdmi->dev, "%s(%p)\n", __func__, pdata->lcd_dev); + dev_dbg(hdmi->dev, "%s(%p)\n", __func__, hdmi); /* PS mode e->a */ hdmi_write(hdmi, 0x10, HDMI_SYSTEM_CTRL); } -static bool sh_hdmi_must_reconfigure(struct sh_hdmi *hdmi) -{ - struct fb_info *info = hdmi->info; - struct sh_mobile_lcdc_chan *ch = info->par; - struct fb_var_screeninfo *new_var = &hdmi->var, *old_var = &ch->display_var; - struct fb_videomode mode1, mode2; - - fb_var_to_videomode(&mode1, old_var); - fb_var_to_videomode(&mode2, new_var); - - dev_dbg(info->dev, "Old %ux%u, new %ux%u\n", - mode1.xres, mode1.yres, mode2.xres, mode2.yres); - - if (fb_mode_is_equal(&mode1, &mode2)) { - /* It can be a different monitor with an equal video-mode */ - old_var->width = new_var->width; - old_var->height = new_var->height; - return false; - } - - dev_dbg(info->dev, "Switching %u -> %u lines\n", - mode1.yres, mode2.yres); - *old_var = *new_var; - - return true; -} +static const struct sh_mobile_lcdc_entity_ops sh_hdmi_ops = { + .display_on = sh_hdmi_display_on, + .display_off = sh_hdmi_display_off, +}; /** * sh_hdmi_clk_configure() - set HDMI clock frequency and enable the clock @@ -1111,20 +1063,11 @@ static long sh_hdmi_clk_configure(struct sh_hdmi *hdmi, unsigned long hdmi_rate, static void sh_hdmi_edid_work_fn(struct work_struct *work) { struct sh_hdmi *hdmi = container_of(work, struct sh_hdmi, edid_work.work); - struct fb_info *info; - struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data; - struct sh_mobile_lcdc_chan *ch; + struct sh_mobile_lcdc_chan *ch = hdmi->entity.lcdc; int ret; - dev_dbg(hdmi->dev, "%s(%p): begin, hotplug status %d\n", __func__, - pdata->lcd_dev, hdmi->hp_state); - - if (!pdata->lcd_dev) - return; - - mutex_lock(&hdmi->mutex); - - info = hdmi->info; + dev_dbg(hdmi->dev, "%s(%p): begin, hotplug status %d\n", __func__, hdmi, + hdmi->hp_state); if (hdmi->hp_state == HDMI_HOTPLUG_CONNECTED) { unsigned long parent_rate = 0, hdmi_rate; @@ -1145,103 +1088,32 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work) /* Switched to another (d) power-save mode */ msleep(10); - if (!info) - goto out; - - ch = info->par; - - if (lock_fb_info(info)) { - console_lock(); - - /* HDMI plug in */ - if (!sh_hdmi_must_reconfigure(hdmi) && - info->state == FBINFO_STATE_RUNNING) { - /* - * First activation with the default monitor - just turn - * on, if we run a resume here, the logo disappears - */ - info->var.width = hdmi->var.width; - info->var.height = hdmi->var.height; - sh_hdmi_display_on(hdmi, info); - } else { - /* New monitor or have to wake up */ - fb_set_suspend(info, 0); - } - - console_unlock(); - unlock_fb_info(info); - } + if (ch && ch->notify) + ch->notify(ch, SH_MOBILE_LCDC_EVENT_DISPLAY_CONNECT, + &hdmi->mode, &hdmi->monspec); } else { - ret = 0; - if (!info) - goto out; - hdmi->monspec.modedb_len = 0; fb_destroy_modedb(hdmi->monspec.modedb); hdmi->monspec.modedb = NULL; - if (lock_fb_info(info)) { - console_lock(); + if (ch && ch->notify) + ch->notify(ch, SH_MOBILE_LCDC_EVENT_DISPLAY_DISCONNECT, + NULL, NULL); - /* HDMI disconnect */ - fb_set_suspend(info, 1); - - console_unlock(); - unlock_fb_info(info); - } + ret = 0; } out: if (ret < 0 && ret != -EAGAIN) hdmi->hp_state = HDMI_HOTPLUG_DISCONNECTED; - mutex_unlock(&hdmi->mutex); - dev_dbg(hdmi->dev, "%s(%p): end\n", __func__, pdata->lcd_dev); -} - -static int sh_hdmi_notify(struct notifier_block *nb, - unsigned long action, void *data) -{ - struct fb_event *event = data; - struct fb_info *info = event->info; - struct sh_mobile_lcdc_chan *ch = info->par; - struct sh_mobile_lcdc_board_cfg *board_cfg = &ch->cfg.board_cfg; - struct sh_hdmi *hdmi = board_cfg->board_data; - - if (!hdmi || nb != &hdmi->notifier || hdmi->info != info) - return NOTIFY_DONE; - - switch(action) { - case FB_EVENT_FB_REGISTERED: - /* Unneeded, activation taken care by sh_hdmi_display_on() */ - break; - case FB_EVENT_FB_UNREGISTERED: - /* - * We are called from unregister_framebuffer() with the - * info->lock held. This is bad for us, because we can race with - * the scheduled work, which has to call fb_set_suspend(), which - * takes info->lock internally, so, sh_hdmi_edid_work_fn() - * cannot take and hold info->lock for the whole function - * duration. Using an additional lock creates a classical AB-BA - * lock up. Therefore, we have to release the info->lock - * temporarily, synchronise with the work queue and re-acquire - * the info->lock. - */ - unlock_fb_info(info); - mutex_lock(&hdmi->mutex); - hdmi->info = NULL; - mutex_unlock(&hdmi->mutex); - lock_fb_info(info); - return NOTIFY_OK; - } - return NOTIFY_DONE; + dev_dbg(hdmi->dev, "%s(%p): end\n", __func__, hdmi); } static int __init sh_hdmi_probe(struct platform_device *pdev) { struct sh_mobile_hdmi_info *pdata = pdev->dev.platform_data; struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - struct sh_mobile_lcdc_board_cfg *board_cfg; int irq = platform_get_irq(pdev, 0), ret; struct sh_hdmi *hdmi; long rate; @@ -1255,9 +1127,9 @@ static int __init sh_hdmi_probe(struct platform_device *pdev) return -ENOMEM; } - mutex_init(&hdmi->mutex); - hdmi->dev = &pdev->dev; + hdmi->entity.owner = THIS_MODULE; + hdmi->entity.ops = &sh_hdmi_ops; hdmi->hdmi_clk = clk_get(&pdev->dev, "ick"); if (IS_ERR(hdmi->hdmi_clk)) { @@ -1297,14 +1169,7 @@ static int __init sh_hdmi_probe(struct platform_device *pdev) goto emap; } - platform_set_drvdata(pdev, hdmi); - - /* Set up LCDC callbacks */ - board_cfg = &pdata->lcd_chan->board_cfg; - board_cfg->owner = THIS_MODULE; - board_cfg->board_data = hdmi; - board_cfg->display_on = sh_hdmi_display_on; - board_cfg->display_off = sh_hdmi_display_off; + platform_set_drvdata(pdev, &hdmi->entity); INIT_DELAYED_WORK(&hdmi->edid_work, sh_hdmi_edid_work_fn); @@ -1329,9 +1194,6 @@ static int __init sh_hdmi_probe(struct platform_device *pdev) goto ecodec; } - hdmi->notifier.notifier_call = sh_hdmi_notify; - fb_register_client(&hdmi->notifier); - return 0; ecodec: @@ -1347,7 +1209,6 @@ ereqreg: erate: clk_put(hdmi->hdmi_clk); egetclk: - mutex_destroy(&hdmi->mutex); kfree(hdmi); return ret; @@ -1355,21 +1216,12 @@ egetclk: static int __exit sh_hdmi_remove(struct platform_device *pdev) { - struct sh_mobile_hdmi_info *pdata = pdev->dev.platform_data; - struct sh_hdmi *hdmi = platform_get_drvdata(pdev); + struct sh_hdmi *hdmi = entity_to_sh_hdmi(platform_get_drvdata(pdev)); struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - struct sh_mobile_lcdc_board_cfg *board_cfg = &pdata->lcd_chan->board_cfg; int irq = platform_get_irq(pdev, 0); snd_soc_unregister_codec(&pdev->dev); - fb_unregister_client(&hdmi->notifier); - - board_cfg->display_on = NULL; - board_cfg->display_off = NULL; - board_cfg->board_data = NULL; - board_cfg->owner = NULL; - /* No new work will be scheduled, wait for running ISR */ free_irq(irq, hdmi); /* Wait for already scheduled work */ @@ -1380,7 +1232,6 @@ static int __exit sh_hdmi_remove(struct platform_device *pdev) clk_put(hdmi->hdmi_clk); iounmap(hdmi->base); release_mem_region(res->start, resource_size(res)); - mutex_destroy(&hdmi->mutex); kfree(hdmi); return 0; diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index aac5b36..7a0b301 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -8,26 +8,27 @@ * for more details. */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/mm.h> +#include <linux/atomic.h> +#include <linux/backlight.h> #include <linux/clk.h> -#include <linux/pm_runtime.h> -#include <linux/platform_device.h> +#include <linux/console.h> #include <linux/dma-mapping.h> +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/init.h> #include <linux/interrupt.h> -#include <linux/videodev2.h> -#include <linux/vmalloc.h> #include <linux/ioctl.h> -#include <linux/slab.h> -#include <linux/console.h> -#include <linux/backlight.h> -#include <linux/gpio.h> +#include <linux/kernel.h> +#include <linux/mm.h> #include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/slab.h> +#include <linux/videodev2.h> +#include <linux/vmalloc.h> + #include <video/sh_mobile_lcdc.h> #include <video/sh_mobile_meram.h> -#include <linux/atomic.h> #include "sh_mobile_lcdcfb.h" @@ -37,6 +38,24 @@ #define MAX_XRES 1920 #define MAX_YRES 1080 +struct sh_mobile_lcdc_priv { + void __iomem *base; + int irq; + atomic_t hw_usecnt; + struct device *dev; + struct clk *dot_clk; + unsigned long lddckr; + struct sh_mobile_lcdc_chan ch[2]; + struct notifier_block notifier; + int started; + int forced_fourcc; /* 2 channel LCDC must share fourcc setting */ + struct sh_mobile_meram_info *meram_dev; +}; + +/* ----------------------------------------------------------------------------- + * Registers access + */ + static unsigned long lcdc_offs_mainlcd[NR_CH_REGS] = { [LDDCKPAT1R] = 0x400, [LDDCKPAT2R] = 0x404, @@ -75,38 +94,6 @@ static unsigned long lcdc_offs_sublcd[NR_CH_REGS] = { [LDPMR] = 0x63c, }; -static const struct fb_videomode default_720p = { - .name = "HDMI 720p", - .xres = 1280, - .yres = 720, - - .left_margin = 220, - .right_margin = 110, - .hsync_len = 40, - - .upper_margin = 20, - .lower_margin = 5, - .vsync_len = 5, - - .pixclock = 13468, - .refresh = 60, - .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT, -}; - -struct sh_mobile_lcdc_priv { - void __iomem *base; - int irq; - atomic_t hw_usecnt; - struct device *dev; - struct clk *dot_clk; - unsigned long lddckr; - struct sh_mobile_lcdc_chan ch[2]; - struct notifier_block notifier; - int started; - int forced_fourcc; /* 2 channel LCDC must share fourcc setting */ - struct sh_mobile_meram_info *meram_dev; -}; - static bool banked(int reg_nr) { switch (reg_nr) { @@ -127,6 +114,11 @@ static bool banked(int reg_nr) return false; } +static int lcdc_chan_is_sublcd(struct sh_mobile_lcdc_chan *chan) +{ + return chan->cfg->chan == LCDC_CHAN_SUBLCD; +} + static void lcdc_write_chan(struct sh_mobile_lcdc_chan *chan, int reg_nr, unsigned long data) { @@ -169,11 +161,72 @@ static void lcdc_wait_bit(struct sh_mobile_lcdc_priv *priv, cpu_relax(); } -static int lcdc_chan_is_sublcd(struct sh_mobile_lcdc_chan *chan) +/* ----------------------------------------------------------------------------- + * Clock management + */ + +static void sh_mobile_lcdc_clk_on(struct sh_mobile_lcdc_priv *priv) +{ + if (atomic_inc_and_test(&priv->hw_usecnt)) { + if (priv->dot_clk) + clk_enable(priv->dot_clk); + pm_runtime_get_sync(priv->dev); + if (priv->meram_dev && priv->meram_dev->pdev) + pm_runtime_get_sync(&priv->meram_dev->pdev->dev); + } +} + +static void sh_mobile_lcdc_clk_off(struct sh_mobile_lcdc_priv *priv) { - return chan->cfg.chan == LCDC_CHAN_SUBLCD; + if (atomic_sub_return(1, &priv->hw_usecnt) == -1) { + if (priv->meram_dev && priv->meram_dev->pdev) + pm_runtime_put_sync(&priv->meram_dev->pdev->dev); + pm_runtime_put(priv->dev); + if (priv->dot_clk) + clk_disable(priv->dot_clk); + } } +static int sh_mobile_lcdc_setup_clocks(struct sh_mobile_lcdc_priv *priv, + int clock_source) +{ + struct clk *clk; + char *str; + + switch (clock_source) { + case LCDC_CLK_BUS: + str = "bus_clk"; + priv->lddckr = LDDCKR_ICKSEL_BUS; + break; + case LCDC_CLK_PERIPHERAL: + str = "peripheral_clk"; + priv->lddckr = LDDCKR_ICKSEL_MIPI; + break; + case LCDC_CLK_EXTERNAL: + str = NULL; + priv->lddckr = LDDCKR_ICKSEL_HDMI; + break; + default: + return -EINVAL; + } + + if (str == NULL) + return 0; + + clk = clk_get(priv->dev, str); + if (IS_ERR(clk)) { + dev_err(priv->dev, "cannot get dot clock %s\n", str); + return PTR_ERR(clk); + } + + priv->dot_clk = clk; + return 0; +} + +/* ----------------------------------------------------------------------------- + * Display, panel and deferred I/O + */ + static void lcdc_sys_write_index(void *handle, unsigned long data) { struct sh_mobile_lcdc_chan *ch = handle; @@ -216,74 +269,11 @@ struct sh_mobile_lcdc_sys_bus_ops sh_mobile_lcdc_sys_bus_ops = { lcdc_sys_read_data, }; -static int sh_mobile_format_fourcc(const struct fb_var_screeninfo *var) -{ - if (var->grayscale > 1) - return var->grayscale; - - switch (var->bits_per_pixel) { - case 16: - return V4L2_PIX_FMT_RGB565; - case 24: - return V4L2_PIX_FMT_BGR24; - case 32: - return V4L2_PIX_FMT_BGR32; - default: - return 0; - } -} - -static int sh_mobile_format_is_fourcc(const struct fb_var_screeninfo *var) -{ - return var->grayscale > 1; -} - -static bool sh_mobile_format_is_yuv(const struct fb_var_screeninfo *var) -{ - if (var->grayscale <= 1) - return false; - - switch (var->grayscale) { - case V4L2_PIX_FMT_NV12: - case V4L2_PIX_FMT_NV21: - case V4L2_PIX_FMT_NV16: - case V4L2_PIX_FMT_NV61: - case V4L2_PIX_FMT_NV24: - case V4L2_PIX_FMT_NV42: - return true; - - default: - return false; - } -} - -static void sh_mobile_lcdc_clk_on(struct sh_mobile_lcdc_priv *priv) -{ - if (atomic_inc_and_test(&priv->hw_usecnt)) { - if (priv->dot_clk) - clk_enable(priv->dot_clk); - pm_runtime_get_sync(priv->dev); - if (priv->meram_dev && priv->meram_dev->pdev) - pm_runtime_get_sync(&priv->meram_dev->pdev->dev); - } -} - -static void sh_mobile_lcdc_clk_off(struct sh_mobile_lcdc_priv *priv) -{ - if (atomic_sub_return(1, &priv->hw_usecnt) == -1) { - if (priv->meram_dev && priv->meram_dev->pdev) - pm_runtime_put_sync(&priv->meram_dev->pdev->dev); - pm_runtime_put(priv->dev); - if (priv->dot_clk) - clk_disable(priv->dot_clk); - } -} - static int sh_mobile_lcdc_sginit(struct fb_info *info, struct list_head *pagelist) { struct sh_mobile_lcdc_chan *ch = info->par; - unsigned int nr_pages_max = info->fix.smem_len >> PAGE_SHIFT; + unsigned int nr_pages_max = ch->fb_size >> PAGE_SHIFT; struct page *page; int nr_pages = 0; @@ -299,7 +289,7 @@ static void sh_mobile_lcdc_deferred_io(struct fb_info *info, struct list_head *pagelist) { struct sh_mobile_lcdc_chan *ch = info->par; - struct sh_mobile_lcdc_board_cfg *bcfg = &ch->cfg.board_cfg; + const struct sh_mobile_lcdc_panel_cfg *panel = &ch->cfg->panel_cfg; /* enable clocks before accessing hardware */ sh_mobile_lcdc_clk_on(ch->lcdc); @@ -323,16 +313,15 @@ static void sh_mobile_lcdc_deferred_io(struct fb_info *info, unsigned int nr_pages = sh_mobile_lcdc_sginit(info, pagelist); /* trigger panel update */ - dma_map_sg(info->dev, ch->sglist, nr_pages, DMA_TO_DEVICE); - if (bcfg->start_transfer) - bcfg->start_transfer(bcfg->board_data, ch, - &sh_mobile_lcdc_sys_bus_ops); + dma_map_sg(ch->lcdc->dev, ch->sglist, nr_pages, DMA_TO_DEVICE); + if (panel->start_transfer) + panel->start_transfer(ch, &sh_mobile_lcdc_sys_bus_ops); lcdc_write_chan(ch, LDSM2R, LDSM2R_OSTRG); - dma_unmap_sg(info->dev, ch->sglist, nr_pages, DMA_TO_DEVICE); + dma_unmap_sg(ch->lcdc->dev, ch->sglist, nr_pages, + DMA_TO_DEVICE); } else { - if (bcfg->start_transfer) - bcfg->start_transfer(bcfg->board_data, ch, - &sh_mobile_lcdc_sys_bus_ops); + if (panel->start_transfer) + panel->start_transfer(ch, &sh_mobile_lcdc_sys_bus_ops); lcdc_write_chan(ch, LDSM2R, LDSM2R_OSTRG); } } @@ -345,6 +334,217 @@ static void sh_mobile_lcdc_deferred_io_touch(struct fb_info *info) schedule_delayed_work(&info->deferred_work, fbdefio->delay); } +static void sh_mobile_lcdc_display_on(struct sh_mobile_lcdc_chan *ch) +{ + const struct sh_mobile_lcdc_panel_cfg *panel = &ch->cfg->panel_cfg; + + if (ch->tx_dev) { + int ret; + + ret = ch->tx_dev->ops->display_on(ch->tx_dev); + if (ret < 0) + return; + + if (ret == SH_MOBILE_LCDC_DISPLAY_DISCONNECTED) + ch->info->state = FBINFO_STATE_SUSPENDED; + } + + /* HDMI must be enabled before LCDC configuration */ + if (panel->display_on) + panel->display_on(); +} + +static void sh_mobile_lcdc_display_off(struct sh_mobile_lcdc_chan *ch) +{ + const struct sh_mobile_lcdc_panel_cfg *panel = &ch->cfg->panel_cfg; + + if (panel->display_off) + panel->display_off(); + + if (ch->tx_dev) + ch->tx_dev->ops->display_off(ch->tx_dev); +} + +static bool +sh_mobile_lcdc_must_reconfigure(struct sh_mobile_lcdc_chan *ch, + const struct fb_videomode *new_mode) +{ + dev_dbg(ch->info->dev, "Old %ux%u, new %ux%u\n", + ch->display.mode.xres, ch->display.mode.yres, + new_mode->xres, new_mode->yres); + + /* It can be a different monitor with an equal video-mode */ + if (fb_mode_is_equal(&ch->display.mode, new_mode)) + return false; + + dev_dbg(ch->info->dev, "Switching %u -> %u lines\n", + ch->display.mode.yres, new_mode->yres); + ch->display.mode = *new_mode; + + return true; +} + +static int sh_mobile_check_var(struct fb_var_screeninfo *var, + struct fb_info *info); + +static int sh_mobile_lcdc_display_notify(struct sh_mobile_lcdc_chan *ch, + enum sh_mobile_lcdc_entity_event event, + const struct fb_videomode *mode, + const struct fb_monspecs *monspec) +{ + struct fb_info *info = ch->info; + struct fb_var_screeninfo var; + int ret = 0; + + switch (event) { + case SH_MOBILE_LCDC_EVENT_DISPLAY_CONNECT: + /* HDMI plug in */ + if (lock_fb_info(info)) { + console_lock(); + + ch->display.width = monspec->max_x * 10; + ch->display.height = monspec->max_y * 10; + + if (!sh_mobile_lcdc_must_reconfigure(ch, mode) && + info->state == FBINFO_STATE_RUNNING) { + /* First activation with the default monitor. + * Just turn on, if we run a resume here, the + * logo disappears. + */ + info->var.width = monspec->max_x * 10; + info->var.height = monspec->max_y * 10; + sh_mobile_lcdc_display_on(ch); + } else { + /* New monitor or have to wake up */ + fb_set_suspend(info, 0); + } + + console_unlock(); + unlock_fb_info(info); + } + break; + + case SH_MOBILE_LCDC_EVENT_DISPLAY_DISCONNECT: + /* HDMI disconnect */ + if (lock_fb_info(info)) { + console_lock(); + fb_set_suspend(info, 1); + console_unlock(); + unlock_fb_info(info); + } + break; + + case SH_MOBILE_LCDC_EVENT_DISPLAY_MODE: + /* Validate a proposed new mode */ + fb_videomode_to_var(&var, mode); + var.bits_per_pixel = info->var.bits_per_pixel; + var.grayscale = info->var.grayscale; + ret = sh_mobile_check_var(&var, info); + break; + } + + return ret; +} + +/* ----------------------------------------------------------------------------- + * Format helpers + */ + +struct sh_mobile_lcdc_format_info { + u32 fourcc; + unsigned int bpp; + bool yuv; + u32 lddfr; +}; + +static const struct sh_mobile_lcdc_format_info sh_mobile_format_infos[] = { + { + .fourcc = V4L2_PIX_FMT_RGB565, + .bpp = 16, + .yuv = false, + .lddfr = LDDFR_PKF_RGB16, + }, { + .fourcc = V4L2_PIX_FMT_BGR24, + .bpp = 24, + .yuv = false, + .lddfr = LDDFR_PKF_RGB24, + }, { + .fourcc = V4L2_PIX_FMT_BGR32, + .bpp = 32, + .yuv = false, + .lddfr = LDDFR_PKF_ARGB32, + }, { + .fourcc = V4L2_PIX_FMT_NV12, + .bpp = 12, + .yuv = true, + .lddfr = LDDFR_CC | LDDFR_YF_420, + }, { + .fourcc = V4L2_PIX_FMT_NV21, + .bpp = 12, + .yuv = true, + .lddfr = LDDFR_CC | LDDFR_YF_420, + }, { + .fourcc = V4L2_PIX_FMT_NV16, + .bpp = 16, + .yuv = true, + .lddfr = LDDFR_CC | LDDFR_YF_422, + }, { + .fourcc = V4L2_PIX_FMT_NV61, + .bpp = 16, + .yuv = true, + .lddfr = LDDFR_CC | LDDFR_YF_422, + }, { + .fourcc = V4L2_PIX_FMT_NV24, + .bpp = 24, + .yuv = true, + .lddfr = LDDFR_CC | LDDFR_YF_444, + }, { + .fourcc = V4L2_PIX_FMT_NV42, + .bpp = 24, + .yuv = true, + .lddfr = LDDFR_CC | LDDFR_YF_444, + }, +}; + +static const struct sh_mobile_lcdc_format_info * +sh_mobile_format_info(u32 fourcc) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(sh_mobile_format_infos); ++i) { + if (sh_mobile_format_infos[i].fourcc == fourcc) + return &sh_mobile_format_infos[i]; + } + + return NULL; +} + +static int sh_mobile_format_fourcc(const struct fb_var_screeninfo *var) +{ + if (var->grayscale > 1) + return var->grayscale; + + switch (var->bits_per_pixel) { + case 16: + return V4L2_PIX_FMT_RGB565; + case 24: + return V4L2_PIX_FMT_BGR24; + case 32: + return V4L2_PIX_FMT_BGR32; + default: + return 0; + } +} + +static int sh_mobile_format_is_fourcc(const struct fb_var_screeninfo *var) +{ + return var->grayscale > 1; +} + +/* ----------------------------------------------------------------------------- + * Start, stop and IRQ + */ + static irqreturn_t sh_mobile_lcdc_irq(int irq, void *data) { struct sh_mobile_lcdc_priv *priv = data; @@ -385,6 +585,26 @@ static irqreturn_t sh_mobile_lcdc_irq(int irq, void *data) return IRQ_HANDLED; } +static int sh_mobile_wait_for_vsync(struct sh_mobile_lcdc_chan *ch) +{ + unsigned long ldintr; + int ret; + + /* Enable VSync End interrupt and be careful not to acknowledge any + * pending interrupt. + */ + ldintr = lcdc_read(ch->lcdc, _LDINTR); + ldintr |= LDINTR_VEE | LDINTR_STATUS_MASK; + lcdc_write(ch->lcdc, _LDINTR, ldintr); + + ret = wait_for_completion_interruptible_timeout(&ch->vsync_completion, + msecs_to_jiffies(100)); + if (!ret) + return -ETIMEDOUT; + + return 0; +} + static void sh_mobile_lcdc_start_stop(struct sh_mobile_lcdc_priv *priv, int start) { @@ -416,53 +636,52 @@ static void sh_mobile_lcdc_start_stop(struct sh_mobile_lcdc_priv *priv, static void sh_mobile_lcdc_geometry(struct sh_mobile_lcdc_chan *ch) { - struct fb_var_screeninfo *var = &ch->info->var, *display_var = &ch->display_var; + const struct fb_var_screeninfo *var = &ch->info->var; + const struct fb_videomode *mode = &ch->display.mode; unsigned long h_total, hsync_pos, display_h_total; u32 tmp; tmp = ch->ldmt1r_value; tmp |= (var->sync & FB_SYNC_VERT_HIGH_ACT) ? 0 : LDMT1R_VPOL; tmp |= (var->sync & FB_SYNC_HOR_HIGH_ACT) ? 0 : LDMT1R_HPOL; - tmp |= (ch->cfg.flags & LCDC_FLAGS_DWPOL) ? LDMT1R_DWPOL : 0; - tmp |= (ch->cfg.flags & LCDC_FLAGS_DIPOL) ? LDMT1R_DIPOL : 0; - tmp |= (ch->cfg.flags & LCDC_FLAGS_DAPOL) ? LDMT1R_DAPOL : 0; - tmp |= (ch->cfg.flags & LCDC_FLAGS_HSCNT) ? LDMT1R_HSCNT : 0; - tmp |= (ch->cfg.flags & LCDC_FLAGS_DWCNT) ? LDMT1R_DWCNT : 0; + tmp |= (ch->cfg->flags & LCDC_FLAGS_DWPOL) ? LDMT1R_DWPOL : 0; + tmp |= (ch->cfg->flags & LCDC_FLAGS_DIPOL) ? LDMT1R_DIPOL : 0; + tmp |= (ch->cfg->flags & LCDC_FLAGS_DAPOL) ? LDMT1R_DAPOL : 0; + tmp |= (ch->cfg->flags & LCDC_FLAGS_HSCNT) ? LDMT1R_HSCNT : 0; + tmp |= (ch->cfg->flags & LCDC_FLAGS_DWCNT) ? LDMT1R_DWCNT : 0; lcdc_write_chan(ch, LDMT1R, tmp); /* setup SYS bus */ - lcdc_write_chan(ch, LDMT2R, ch->cfg.sys_bus_cfg.ldmt2r); - lcdc_write_chan(ch, LDMT3R, ch->cfg.sys_bus_cfg.ldmt3r); + lcdc_write_chan(ch, LDMT2R, ch->cfg->sys_bus_cfg.ldmt2r); + lcdc_write_chan(ch, LDMT3R, ch->cfg->sys_bus_cfg.ldmt3r); /* horizontal configuration */ - h_total = display_var->xres + display_var->hsync_len + - display_var->left_margin + display_var->right_margin; + h_total = mode->xres + mode->hsync_len + mode->left_margin + + mode->right_margin; tmp = h_total / 8; /* HTCN */ - tmp |= (min(display_var->xres, var->xres) / 8) << 16; /* HDCN */ + tmp |= (min(mode->xres, ch->xres) / 8) << 16; /* HDCN */ lcdc_write_chan(ch, LDHCNR, tmp); - hsync_pos = display_var->xres + display_var->right_margin; + hsync_pos = mode->xres + mode->right_margin; tmp = hsync_pos / 8; /* HSYNP */ - tmp |= (display_var->hsync_len / 8) << 16; /* HSYNW */ + tmp |= (mode->hsync_len / 8) << 16; /* HSYNW */ lcdc_write_chan(ch, LDHSYNR, tmp); /* vertical configuration */ - tmp = display_var->yres + display_var->vsync_len + - display_var->upper_margin + display_var->lower_margin; /* VTLN */ - tmp |= min(display_var->yres, var->yres) << 16; /* VDLN */ + tmp = mode->yres + mode->vsync_len + mode->upper_margin + + mode->lower_margin; /* VTLN */ + tmp |= min(mode->yres, ch->yres) << 16; /* VDLN */ lcdc_write_chan(ch, LDVLNR, tmp); - tmp = display_var->yres + display_var->lower_margin; /* VSYNP */ - tmp |= display_var->vsync_len << 16; /* VSYNW */ + tmp = mode->yres + mode->lower_margin; /* VSYNP */ + tmp |= mode->vsync_len << 16; /* VSYNW */ lcdc_write_chan(ch, LDVSYNR, tmp); /* Adjust horizontal synchronisation for HDMI */ - display_h_total = display_var->xres + display_var->hsync_len + - display_var->left_margin + display_var->right_margin; - tmp = ((display_var->xres & 7) << 24) | - ((display_h_total & 7) << 16) | - ((display_var->hsync_len & 7) << 8) | - (hsync_pos & 7); + display_h_total = mode->xres + mode->hsync_len + mode->left_margin + + mode->right_margin; + tmp = ((mode->xres & 7) << 24) | ((display_h_total & 7) << 16) + | ((mode->hsync_len & 7) << 8) | (hsync_pos & 7); lcdc_write_chan(ch, LDHAJR, tmp); } @@ -498,7 +717,7 @@ static void __sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) /* Power supply */ lcdc_write_chan(ch, LDPMR, 0); - m = ch->cfg.clock_divider; + m = ch->cfg->clock_divider; if (!m) continue; @@ -525,32 +744,10 @@ static void __sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) sh_mobile_lcdc_geometry(ch); - switch (sh_mobile_format_fourcc(&ch->info->var)) { - case V4L2_PIX_FMT_RGB565: - tmp = LDDFR_PKF_RGB16; - break; - case V4L2_PIX_FMT_BGR24: - tmp = LDDFR_PKF_RGB24; - break; - case V4L2_PIX_FMT_BGR32: - tmp = LDDFR_PKF_ARGB32; - break; - case V4L2_PIX_FMT_NV12: - case V4L2_PIX_FMT_NV21: - tmp = LDDFR_CC | LDDFR_YF_420; - break; - case V4L2_PIX_FMT_NV16: - case V4L2_PIX_FMT_NV61: - tmp = LDDFR_CC | LDDFR_YF_422; - break; - case V4L2_PIX_FMT_NV24: - case V4L2_PIX_FMT_NV42: - tmp = LDDFR_CC | LDDFR_YF_444; - break; - } + tmp = ch->format->lddfr; - if (sh_mobile_format_is_yuv(&ch->info->var)) { - switch (ch->info->var.colorspace) { + if (ch->format->yuv) { + switch (ch->colorspace) { case V4L2_COLORSPACE_REC709: tmp |= LDDFR_CF1; break; @@ -563,7 +760,7 @@ static void __sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) lcdc_write_chan(ch, LDDFR, tmp); lcdc_write_chan(ch, LDMLSR, ch->pitch); lcdc_write_chan(ch, LDSA1R, ch->base_addr_y); - if (sh_mobile_format_is_yuv(&ch->info->var)) + if (ch->format->yuv) lcdc_write_chan(ch, LDSA2R, ch->base_addr_c); /* When using deferred I/O mode, configure the LCDC for one-shot @@ -571,7 +768,7 @@ static void __sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) * continuous read mode. */ if (ch->ldmt1r_value & LDMT1R_IFM && - ch->cfg.sys_bus_cfg.deferred_io_msec) { + ch->cfg->sys_bus_cfg.deferred_io_msec) { lcdc_write_chan(ch, LDSM1R, LDSM1R_OS); lcdc_write(priv, _LDINTR, LDINTR_FE); } else { @@ -580,7 +777,7 @@ static void __sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) } /* Word and long word swap. */ - switch (sh_mobile_format_fourcc(&priv->ch[0].info->var)) { + switch (priv->ch[0].format->fourcc) { case V4L2_PIX_FMT_RGB565: case V4L2_PIX_FMT_NV21: case V4L2_PIX_FMT_NV61: @@ -609,7 +806,6 @@ static void __sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) { struct sh_mobile_meram_info *mdev = priv->meram_dev; - struct sh_mobile_lcdc_board_cfg *board_cfg; struct sh_mobile_lcdc_chan *ch; unsigned long tmp; int ret; @@ -626,15 +822,15 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) lcdc_wait_bit(priv, _LDCNT2R, LDCNT2R_BR, 0); for (k = 0; k < ARRAY_SIZE(priv->ch); k++) { - ch = &priv->ch[k]; + const struct sh_mobile_lcdc_panel_cfg *panel; + ch = &priv->ch[k]; if (!ch->enabled) continue; - board_cfg = &ch->cfg.board_cfg; - if (board_cfg->setup_sys) { - ret = board_cfg->setup_sys(board_cfg->board_data, ch, - &sh_mobile_lcdc_sys_bus_ops); + panel = &ch->cfg->panel_cfg; + if (panel->setup_sys) { + ret = panel->setup_sys(ch, &sh_mobile_lcdc_sys_bus_ops); if (ret) return ret; } @@ -642,33 +838,30 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) /* Compute frame buffer base address and pitch for each channel. */ for (k = 0; k < ARRAY_SIZE(priv->ch); k++) { - struct sh_mobile_meram_cfg *cfg; int pixelformat; + void *meram; ch = &priv->ch[k]; if (!ch->enabled) continue; - ch->base_addr_y = ch->info->fix.smem_start; - ch->base_addr_c = ch->base_addr_y - + ch->info->var.xres - * ch->info->var.yres_virtual; - ch->pitch = ch->info->fix.line_length; + ch->base_addr_y = ch->dma_handle; + ch->base_addr_c = ch->base_addr_y + ch->xres * ch->yres_virtual; /* Enable MERAM if possible. */ - cfg = ch->cfg.meram_cfg; - if (mdev == NULL || mdev->ops == NULL || cfg == NULL) + if (mdev == NULL || mdev->ops == NULL || + ch->cfg->meram_cfg == NULL) continue; /* we need to de-init configured ICBs before we can * re-initialize them. */ - if (ch->meram_enabled) { - mdev->ops->meram_unregister(mdev, cfg); - ch->meram_enabled = 0; + if (ch->meram) { + mdev->ops->meram_unregister(mdev, ch->meram); + ch->meram = NULL; } - switch (sh_mobile_format_fourcc(&ch->info->var)) { + switch (ch->format->fourcc) { case V4L2_PIX_FMT_NV12: case V4L2_PIX_FMT_NV21: case V4L2_PIX_FMT_NV16: @@ -687,13 +880,15 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) break; } - ret = mdev->ops->meram_register(mdev, cfg, ch->pitch, - ch->info->var.yres, pixelformat, - ch->base_addr_y, ch->base_addr_c, - &ch->base_addr_y, &ch->base_addr_c, + meram = mdev->ops->meram_register(mdev, ch->cfg->meram_cfg, + ch->pitch, ch->yres, pixelformat, &ch->pitch); - if (!ret) - ch->meram_enabled = 1; + if (!IS_ERR(meram)) { + mdev->ops->meram_update(mdev, meram, + ch->base_addr_y, ch->base_addr_c, + &ch->base_addr_y, &ch->base_addr_c); + ch->meram = meram; + } } /* Start the LCDC. */ @@ -707,7 +902,7 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) if (!ch->enabled) continue; - tmp = ch->cfg.sys_bus_cfg.deferred_io_msec; + tmp = ch->cfg->sys_bus_cfg.deferred_io_msec; if (ch->ldmt1r_value & LDMT1R_IFM && tmp) { ch->defio.deferred_io = sh_mobile_lcdc_deferred_io; ch->defio.delay = msecs_to_jiffies(tmp); @@ -715,11 +910,7 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) fb_deferred_io_init(ch->info); } - board_cfg = &ch->cfg.board_cfg; - if (board_cfg->display_on && try_module_get(board_cfg->owner)) { - board_cfg->display_on(board_cfg->board_data, ch->info); - module_put(board_cfg->owner); - } + sh_mobile_lcdc_display_on(ch); if (ch->bl) { ch->bl->props.power = FB_BLANK_UNBLANK; @@ -733,7 +924,6 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv) { struct sh_mobile_lcdc_chan *ch; - struct sh_mobile_lcdc_board_cfg *board_cfg; int k; /* clean up deferred io and ask board code to disable panel */ @@ -760,20 +950,14 @@ static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv) backlight_update_status(ch->bl); } - board_cfg = &ch->cfg.board_cfg; - if (board_cfg->display_off && try_module_get(board_cfg->owner)) { - board_cfg->display_off(board_cfg->board_data); - module_put(board_cfg->owner); - } + sh_mobile_lcdc_display_off(ch); /* disable the meram */ - if (ch->meram_enabled) { - struct sh_mobile_meram_cfg *cfg; + if (ch->meram) { struct sh_mobile_meram_info *mdev; - cfg = ch->cfg.meram_cfg; mdev = priv->meram_dev; - mdev->ops->meram_unregister(mdev, cfg); - ch->meram_enabled = 0; + mdev->ops->meram_unregister(mdev, ch->meram); + ch->meram = 0; } } @@ -790,86 +974,9 @@ static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv) sh_mobile_lcdc_clk_off(priv); } -static int sh_mobile_lcdc_check_interface(struct sh_mobile_lcdc_chan *ch) -{ - int interface_type = ch->cfg.interface_type; - - switch (interface_type) { - case RGB8: - case RGB9: - case RGB12A: - case RGB12B: - case RGB16: - case RGB18: - case RGB24: - case SYS8A: - case SYS8B: - case SYS8C: - case SYS8D: - case SYS9: - case SYS12: - case SYS16A: - case SYS16B: - case SYS16C: - case SYS18: - case SYS24: - break; - default: - return -EINVAL; - } - - /* SUBLCD only supports SYS interface */ - if (lcdc_chan_is_sublcd(ch)) { - if (!(interface_type & LDMT1R_IFM)) - return -EINVAL; - - interface_type &= ~LDMT1R_IFM; - } - - ch->ldmt1r_value = interface_type; - return 0; -} - -static int sh_mobile_lcdc_setup_clocks(struct platform_device *pdev, - int clock_source, - struct sh_mobile_lcdc_priv *priv) -{ - char *str; - - switch (clock_source) { - case LCDC_CLK_BUS: - str = "bus_clk"; - priv->lddckr = LDDCKR_ICKSEL_BUS; - break; - case LCDC_CLK_PERIPHERAL: - str = "peripheral_clk"; - priv->lddckr = LDDCKR_ICKSEL_MIPI; - break; - case LCDC_CLK_EXTERNAL: - str = NULL; - priv->lddckr = LDDCKR_ICKSEL_HDMI; - break; - default: - return -EINVAL; - } - - if (str) { - priv->dot_clk = clk_get(&pdev->dev, str); - if (IS_ERR(priv->dot_clk)) { - dev_err(&pdev->dev, "cannot get dot clock %s\n", str); - return PTR_ERR(priv->dot_clk); - } - } - - /* Runtime PM support involves two step for this driver: - * 1) Enable Runtime PM - * 2) Force Runtime PM Resume since hardware is accessed from probe() - */ - priv->dev = &pdev->dev; - pm_runtime_enable(priv->dev); - pm_runtime_resume(priv->dev); - return 0; -} +/* ----------------------------------------------------------------------------- + * Frame buffer operations + */ static int sh_mobile_lcdc_setcolreg(u_int regno, u_int red, u_int green, u_int blue, @@ -936,14 +1043,12 @@ static int sh_mobile_fb_pan_display(struct fb_var_screeninfo *var, unsigned long new_pan_offset; unsigned long base_addr_y, base_addr_c; unsigned long c_offset; - bool yuv = sh_mobile_format_is_yuv(&info->var); - if (!yuv) - new_pan_offset = var->yoffset * info->fix.line_length - + var->xoffset * (info->var.bits_per_pixel / 8); + if (!ch->format->yuv) + new_pan_offset = var->yoffset * ch->pitch + + var->xoffset * (ch->format->bpp / 8); else - new_pan_offset = var->yoffset * info->fix.line_length - + var->xoffset; + new_pan_offset = var->yoffset * ch->pitch + var->xoffset; if (new_pan_offset == ch->pan_offset) return 0; /* No change, do nothing */ @@ -952,39 +1057,33 @@ static int sh_mobile_fb_pan_display(struct fb_var_screeninfo *var, /* Set the source address for the next refresh */ base_addr_y = ch->dma_handle + new_pan_offset; - if (yuv) { + if (ch->format->yuv) { /* Set y offset */ - c_offset = var->yoffset * info->fix.line_length - * (info->var.bits_per_pixel - 8) / 8; - base_addr_c = ch->dma_handle - + info->var.xres * info->var.yres_virtual + c_offset = var->yoffset * ch->pitch + * (ch->format->bpp - 8) / 8; + base_addr_c = ch->dma_handle + ch->xres * ch->yres_virtual + c_offset; /* Set x offset */ - if (sh_mobile_format_fourcc(&info->var) == V4L2_PIX_FMT_NV24) + if (ch->format->fourcc == V4L2_PIX_FMT_NV24) base_addr_c += 2 * var->xoffset; else base_addr_c += var->xoffset; } - if (ch->meram_enabled) { - struct sh_mobile_meram_cfg *cfg; + if (ch->meram) { struct sh_mobile_meram_info *mdev; - int ret; - cfg = ch->cfg.meram_cfg; mdev = priv->meram_dev; - ret = mdev->ops->meram_update(mdev, cfg, + mdev->ops->meram_update(mdev, ch->meram, base_addr_y, base_addr_c, &base_addr_y, &base_addr_c); - if (ret) - return ret; } ch->base_addr_y = base_addr_y; ch->base_addr_c = base_addr_c; lcdc_write_chan_mirror(ch, LDSA1R, base_addr_y); - if (yuv) + if (ch->format->yuv) lcdc_write_chan_mirror(ch, LDSA2R, base_addr_c); if (lcdc_chan_is_sublcd(ch)) @@ -999,27 +1098,6 @@ static int sh_mobile_fb_pan_display(struct fb_var_screeninfo *var, return 0; } -static int sh_mobile_wait_for_vsync(struct fb_info *info) -{ - struct sh_mobile_lcdc_chan *ch = info->par; - unsigned long ldintr; - int ret; - - /* Enable VSync End interrupt and be careful not to acknowledge any - * pending interrupt. - */ - ldintr = lcdc_read(ch->lcdc, _LDINTR); - ldintr |= LDINTR_VEE | LDINTR_STATUS_MASK; - lcdc_write(ch->lcdc, _LDINTR, ldintr); - - ret = wait_for_completion_interruptible_timeout(&ch->vsync_completion, - msecs_to_jiffies(100)); - if (!ret) - return -ETIMEDOUT; - - return 0; -} - static int sh_mobile_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) { @@ -1027,7 +1105,7 @@ static int sh_mobile_ioctl(struct fb_info *info, unsigned int cmd, switch (cmd) { case FBIO_WAITFORVSYNC: - retval = sh_mobile_wait_for_vsync(info); + retval = sh_mobile_wait_for_vsync(info->par); break; default: @@ -1040,7 +1118,8 @@ static int sh_mobile_ioctl(struct fb_info *info, unsigned int cmd, static void sh_mobile_fb_reconfig(struct fb_info *info) { struct sh_mobile_lcdc_chan *ch = info->par; - struct fb_videomode mode1, mode2; + struct fb_var_screeninfo var; + struct fb_videomode mode; struct fb_event event; int evnt = FB_EVENT_MODE_CHANGE_ALL; @@ -1048,14 +1127,19 @@ static void sh_mobile_fb_reconfig(struct fb_info *info) /* More framebuffer users are active */ return; - fb_var_to_videomode(&mode1, &ch->display_var); - fb_var_to_videomode(&mode2, &info->var); + fb_var_to_videomode(&mode, &info->var); - if (fb_mode_is_equal(&mode1, &mode2)) + if (fb_mode_is_equal(&ch->display.mode, &mode)) return; /* Display has been re-plugged, framebuffer is free now, reconfigure */ - if (fb_set_var(info, &ch->display_var) < 0) + var = info->var; + fb_videomode_to_var(&var, &ch->display.mode); + var.width = ch->display.width; + var.height = ch->display.height; + var.activate = FB_ACTIVATE_NOW; + + if (fb_set_var(info, &var) < 0) /* Couldn't reconfigure, hopefully, can continue as before */ return; @@ -1065,7 +1149,7 @@ static void sh_mobile_fb_reconfig(struct fb_info *info) * user event, we have to call the chain ourselves. */ event.info = info; - event.data = &mode1; + event.data = &ch->display.mode; fb_notifier_call_chain(evnt, &event); } @@ -1124,8 +1208,8 @@ static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *in * distance between two modes is defined as the size of the * non-overlapping parts of the two rectangles. */ - for (i = 0; i < ch->cfg.num_cfg; ++i) { - const struct fb_videomode *mode = &ch->cfg.lcd_cfg[i]; + for (i = 0; i < ch->cfg->num_modes; ++i) { + const struct fb_videomode *mode = &ch->cfg->lcd_modes[i]; unsigned int dist; /* We can only round up. */ @@ -1144,7 +1228,7 @@ static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *in } /* If no available mode can be used, return an error. */ - if (ch->cfg.num_cfg != 0) { + if (ch->cfg->num_modes != 0) { if (best_dist == (unsigned int)-1) return -EINVAL; @@ -1161,32 +1245,17 @@ static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *in var->yres_virtual = var->yres; if (sh_mobile_format_is_fourcc(var)) { - switch (var->grayscale) { - case V4L2_PIX_FMT_NV12: - case V4L2_PIX_FMT_NV21: - var->bits_per_pixel = 12; - break; - case V4L2_PIX_FMT_RGB565: - case V4L2_PIX_FMT_NV16: - case V4L2_PIX_FMT_NV61: - var->bits_per_pixel = 16; - break; - case V4L2_PIX_FMT_BGR24: - case V4L2_PIX_FMT_NV24: - case V4L2_PIX_FMT_NV42: - var->bits_per_pixel = 24; - break; - case V4L2_PIX_FMT_BGR32: - var->bits_per_pixel = 32; - break; - default: + const struct sh_mobile_lcdc_format_info *format; + + format = sh_mobile_format_info(var->grayscale); + if (format == NULL) return -EINVAL; - } + var->bits_per_pixel = format->bpp; /* Default to RGB and JPEG color-spaces for RGB and YUV formats * respectively. */ - if (!sh_mobile_format_is_yuv(var)) + if (!format->yuv) var->colorspace = V4L2_COLORSPACE_SRGB; else if (var->colorspace != V4L2_COLORSPACE_REC709) var->colorspace = V4L2_COLORSPACE_JPEG; @@ -1246,22 +1315,28 @@ static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *in static int sh_mobile_set_par(struct fb_info *info) { struct sh_mobile_lcdc_chan *ch = info->par; - u32 line_length = info->fix.line_length; int ret; sh_mobile_lcdc_stop(ch->lcdc); - if (sh_mobile_format_is_yuv(&info->var)) - info->fix.line_length = info->var.xres; + ch->format = sh_mobile_format_info(sh_mobile_format_fourcc(&info->var)); + ch->colorspace = info->var.colorspace; + + ch->xres = info->var.xres; + ch->xres_virtual = info->var.xres_virtual; + ch->yres = info->var.yres; + ch->yres_virtual = info->var.yres_virtual; + + if (ch->format->yuv) + ch->pitch = info->var.xres; else - info->fix.line_length = info->var.xres - * info->var.bits_per_pixel / 8; + ch->pitch = info->var.xres * ch->format->bpp / 8; ret = sh_mobile_lcdc_start(ch->lcdc); - if (ret < 0) { + if (ret < 0) dev_err(info->dev, "%s: unable to restart LCDC\n", __func__); - info->fix.line_length = line_length; - } + + info->fix.line_length = ch->pitch; if (sh_mobile_format_is_fourcc(&info->var)) { info->fix.type = FB_TYPE_FOURCC; @@ -1290,8 +1365,8 @@ static int sh_mobile_lcdc_blank(int blank, struct fb_info *info) /* blank the screen? */ if (blank > FB_BLANK_UNBLANK && ch->blank_status == FB_BLANK_UNBLANK) { struct fb_fillrect rect = { - .width = info->var.xres, - .height = info->var.yres, + .width = ch->xres, + .height = ch->yres, }; sh_mobile_lcdc_fillrect(info, &rect); } @@ -1307,8 +1382,8 @@ static int sh_mobile_lcdc_blank(int blank, struct fb_info *info) * mode will reenable the clocks and update the screen in time, * so it does not need this. */ if (!info->fbdefio) { - sh_mobile_wait_for_vsync(info); - sh_mobile_wait_for_vsync(info); + sh_mobile_wait_for_vsync(ch); + sh_mobile_wait_for_vsync(ch); } sh_mobile_lcdc_clk_off(p); } @@ -1334,25 +1409,161 @@ static struct fb_ops sh_mobile_lcdc_ops = { .fb_set_par = sh_mobile_set_par, }; +static void +sh_mobile_lcdc_channel_fb_unregister(struct sh_mobile_lcdc_chan *ch) +{ + if (ch->info && ch->info->dev) + unregister_framebuffer(ch->info); +} + +static int __devinit +sh_mobile_lcdc_channel_fb_register(struct sh_mobile_lcdc_chan *ch) +{ + struct fb_info *info = ch->info; + int ret; + + if (info->fbdefio) { + ch->sglist = vmalloc(sizeof(struct scatterlist) * + ch->fb_size >> PAGE_SHIFT); + if (!ch->sglist) { + dev_err(ch->lcdc->dev, "cannot allocate sglist\n"); + return -ENOMEM; + } + } + + info->bl_dev = ch->bl; + + ret = register_framebuffer(info); + if (ret < 0) + return ret; + + dev_info(ch->lcdc->dev, "registered %s/%s as %dx%d %dbpp.\n", + dev_name(ch->lcdc->dev), (ch->cfg->chan == LCDC_CHAN_MAINLCD) ? + "mainlcd" : "sublcd", info->var.xres, info->var.yres, + info->var.bits_per_pixel); + + /* deferred io mode: disable clock to save power */ + if (info->fbdefio || info->state == FBINFO_STATE_SUSPENDED) + sh_mobile_lcdc_clk_off(ch->lcdc); + + return ret; +} + +static void +sh_mobile_lcdc_channel_fb_cleanup(struct sh_mobile_lcdc_chan *ch) +{ + struct fb_info *info = ch->info; + + if (!info || !info->device) + return; + + if (ch->sglist) + vfree(ch->sglist); + + fb_dealloc_cmap(&info->cmap); + framebuffer_release(info); +} + +static int __devinit +sh_mobile_lcdc_channel_fb_init(struct sh_mobile_lcdc_chan *ch, + const struct fb_videomode *mode, + unsigned int num_modes) +{ + struct sh_mobile_lcdc_priv *priv = ch->lcdc; + struct fb_var_screeninfo *var; + struct fb_info *info; + int ret; + + /* Allocate and initialize the frame buffer device. Create the modes + * list and allocate the color map. + */ + info = framebuffer_alloc(0, priv->dev); + if (info == NULL) { + dev_err(priv->dev, "unable to allocate fb_info\n"); + return -ENOMEM; + } + + ch->info = info; + + info->flags = FBINFO_FLAG_DEFAULT; + info->fbops = &sh_mobile_lcdc_ops; + info->device = priv->dev; + info->screen_base = ch->fb_mem; + info->pseudo_palette = &ch->pseudo_palette; + info->par = ch; + + fb_videomode_to_modelist(mode, num_modes, &info->modelist); + + ret = fb_alloc_cmap(&info->cmap, PALETTE_NR, 0); + if (ret < 0) { + dev_err(priv->dev, "unable to allocate cmap\n"); + return ret; + } + + /* Initialize fixed screen information. Restrict pan to 2 lines steps + * for NV12 and NV21. + */ + info->fix = sh_mobile_lcdc_fix; + info->fix.smem_start = ch->dma_handle; + info->fix.smem_len = ch->fb_size; + info->fix.line_length = ch->pitch; + + if (ch->format->yuv) + info->fix.visual = FB_VISUAL_FOURCC; + else + info->fix.visual = FB_VISUAL_TRUECOLOR; + + if (ch->format->fourcc == V4L2_PIX_FMT_NV12 || + ch->format->fourcc == V4L2_PIX_FMT_NV21) + info->fix.ypanstep = 2; + + /* Initialize variable screen information using the first mode as + * default. The default Y virtual resolution is twice the panel size to + * allow for double-buffering. + */ + var = &info->var; + fb_videomode_to_var(var, mode); + var->width = ch->cfg->panel_cfg.width; + var->height = ch->cfg->panel_cfg.height; + var->yres_virtual = var->yres * 2; + var->activate = FB_ACTIVATE_NOW; + + /* Use the legacy API by default for RGB formats, and the FOURCC API + * for YUV formats. + */ + if (!ch->format->yuv) + var->bits_per_pixel = ch->format->bpp; + else + var->grayscale = ch->format->fourcc; + + ret = sh_mobile_check_var(var, info); + if (ret) + return ret; + + return 0; +} + +/* ----------------------------------------------------------------------------- + * Backlight + */ + static int sh_mobile_lcdc_update_bl(struct backlight_device *bdev) { struct sh_mobile_lcdc_chan *ch = bl_get_data(bdev); - struct sh_mobile_lcdc_board_cfg *cfg = &ch->cfg.board_cfg; int brightness = bdev->props.brightness; if (bdev->props.power != FB_BLANK_UNBLANK || bdev->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK)) brightness = 0; - return cfg->set_brightness(cfg->board_data, brightness); + return ch->cfg->bl_info.set_brightness(brightness); } static int sh_mobile_lcdc_get_brightness(struct backlight_device *bdev) { struct sh_mobile_lcdc_chan *ch = bl_get_data(bdev); - struct sh_mobile_lcdc_board_cfg *cfg = &ch->cfg.board_cfg; - return cfg->get_brightness(cfg->board_data); + return ch->cfg->bl_info.get_brightness(); } static int sh_mobile_lcdc_check_fb(struct backlight_device *bdev, @@ -1373,7 +1584,7 @@ static struct backlight_device *sh_mobile_lcdc_bl_probe(struct device *parent, { struct backlight_device *bl; - bl = backlight_device_register(ch->cfg.bl_info.name, parent, ch, + bl = backlight_device_register(ch->cfg->bl_info.name, parent, ch, &sh_mobile_lcdc_bl_ops, NULL); if (IS_ERR(bl)) { dev_err(parent, "unable to register backlight device: %ld\n", @@ -1381,7 +1592,7 @@ static struct backlight_device *sh_mobile_lcdc_bl_probe(struct device *parent, return NULL; } - bl->props.max_brightness = ch->cfg.bl_info.max_brightness; + bl->props.max_brightness = ch->cfg->bl_info.max_brightness; bl->props.brightness = bl->props.max_brightness; backlight_update_status(bl); @@ -1393,6 +1604,10 @@ static void sh_mobile_lcdc_bl_remove(struct backlight_device *bdev) backlight_device_unregister(bdev); } +/* ----------------------------------------------------------------------------- + * Power management + */ + static int sh_mobile_lcdc_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); @@ -1436,6 +1651,10 @@ static const struct dev_pm_ops sh_mobile_lcdc_dev_pm_ops = { .runtime_resume = sh_mobile_lcdc_runtime_resume, }; +/* ----------------------------------------------------------------------------- + * Framebuffer notifier + */ + /* locking: called with info->lock held */ static int sh_mobile_lcdc_notify(struct notifier_block *nb, unsigned long action, void *data) @@ -1443,7 +1662,6 @@ static int sh_mobile_lcdc_notify(struct notifier_block *nb, struct fb_event *event = data; struct fb_info *info = event->info; struct sh_mobile_lcdc_chan *ch = info->par; - struct sh_mobile_lcdc_board_cfg *board_cfg = &ch->cfg.board_cfg; if (&ch->lcdc->notifier != nb) return NOTIFY_DONE; @@ -1453,10 +1671,7 @@ static int sh_mobile_lcdc_notify(struct notifier_block *nb, switch(action) { case FB_EVENT_SUSPEND: - if (board_cfg->display_off && try_module_get(board_cfg->owner)) { - board_cfg->display_off(board_cfg->board_data); - module_put(board_cfg->owner); - } + sh_mobile_lcdc_display_off(ch); sh_mobile_lcdc_stop(ch->lcdc); break; case FB_EVENT_RESUME: @@ -1464,47 +1679,60 @@ static int sh_mobile_lcdc_notify(struct notifier_block *nb, sh_mobile_fb_reconfig(info); mutex_unlock(&ch->open_lock); - /* HDMI must be enabled before LCDC configuration */ - if (board_cfg->display_on && try_module_get(board_cfg->owner)) { - board_cfg->display_on(board_cfg->board_data, info); - module_put(board_cfg->owner); - } - + sh_mobile_lcdc_display_on(ch); sh_mobile_lcdc_start(ch->lcdc); } return NOTIFY_OK; } +/* ----------------------------------------------------------------------------- + * Probe/remove and driver init/exit + */ + +static const struct fb_videomode default_720p __devinitconst = { + .name = "HDMI 720p", + .xres = 1280, + .yres = 720, + + .left_margin = 220, + .right_margin = 110, + .hsync_len = 40, + + .upper_margin = 20, + .lower_margin = 5, + .vsync_len = 5, + + .pixclock = 13468, + .refresh = 60, + .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT, +}; + static int sh_mobile_lcdc_remove(struct platform_device *pdev) { struct sh_mobile_lcdc_priv *priv = platform_get_drvdata(pdev); - struct fb_info *info; int i; fb_unregister_client(&priv->notifier); for (i = 0; i < ARRAY_SIZE(priv->ch); i++) - if (priv->ch[i].info && priv->ch[i].info->dev) - unregister_framebuffer(priv->ch[i].info); + sh_mobile_lcdc_channel_fb_unregister(&priv->ch[i]); sh_mobile_lcdc_stop(priv); for (i = 0; i < ARRAY_SIZE(priv->ch); i++) { - info = priv->ch[i].info; + struct sh_mobile_lcdc_chan *ch = &priv->ch[i]; - if (!info || !info->device) - continue; + if (ch->tx_dev) { + ch->tx_dev->lcdc = NULL; + module_put(ch->cfg->tx_dev->dev.driver->owner); + } - if (priv->ch[i].sglist) - vfree(priv->ch[i].sglist); + sh_mobile_lcdc_channel_fb_cleanup(ch); - if (info->screen_base) - dma_free_coherent(&pdev->dev, info->fix.smem_len, - info->screen_base, - priv->ch[i].dma_handle); - fb_dealloc_cmap(&info->cmap); - framebuffer_release(info); + if (ch->fb_mem) + dma_free_coherent(&pdev->dev, ch->fb_size, + ch->fb_mem, ch->dma_handle); } for (i = 0; i < ARRAY_SIZE(priv->ch); i++) { @@ -1512,11 +1740,10 @@ static int sh_mobile_lcdc_remove(struct platform_device *pdev) sh_mobile_lcdc_bl_remove(priv->ch[i].bl); } - if (priv->dot_clk) + if (priv->dot_clk) { + pm_runtime_disable(&pdev->dev); clk_put(priv->dot_clk); - - if (priv->dev) - pm_runtime_disable(priv->dev); + } if (priv->base) iounmap(priv->base); @@ -1527,49 +1754,82 @@ static int sh_mobile_lcdc_remove(struct platform_device *pdev) return 0; } -static int __devinit sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_chan *ch, - struct device *dev) +static int __devinit sh_mobile_lcdc_check_interface(struct sh_mobile_lcdc_chan *ch) { - struct sh_mobile_lcdc_chan_cfg *cfg = &ch->cfg; + int interface_type = ch->cfg->interface_type; + + switch (interface_type) { + case RGB8: + case RGB9: + case RGB12A: + case RGB12B: + case RGB16: + case RGB18: + case RGB24: + case SYS8A: + case SYS8B: + case SYS8C: + case SYS8D: + case SYS9: + case SYS12: + case SYS16A: + case SYS16B: + case SYS16C: + case SYS18: + case SYS24: + break; + default: + return -EINVAL; + } + + /* SUBLCD only supports SYS interface */ + if (lcdc_chan_is_sublcd(ch)) { + if (!(interface_type & LDMT1R_IFM)) + return -EINVAL; + + interface_type &= ~LDMT1R_IFM; + } + + ch->ldmt1r_value = interface_type; + return 0; +} + +static int __devinit +sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_priv *priv, + struct sh_mobile_lcdc_chan *ch) +{ + const struct sh_mobile_lcdc_format_info *format; + const struct sh_mobile_lcdc_chan_cfg *cfg = ch->cfg; const struct fb_videomode *max_mode; const struct fb_videomode *mode; - struct fb_var_screeninfo *var; - struct fb_info *info; + unsigned int num_modes; unsigned int max_size; - int num_cfg; - void *buf; - int ret; - int i; + unsigned int i; mutex_init(&ch->open_lock); + ch->notify = sh_mobile_lcdc_display_notify; - /* Allocate the frame buffer device. */ - ch->info = framebuffer_alloc(0, dev); - if (!ch->info) { - dev_err(dev, "unable to allocate fb_info\n"); - return -ENOMEM; + /* Validate the format. */ + format = sh_mobile_format_info(cfg->fourcc); + if (format == NULL) { + dev_err(priv->dev, "Invalid FOURCC %08x.\n", cfg->fourcc); + return -EINVAL; } - info = ch->info; - info->fbops = &sh_mobile_lcdc_ops; - info->par = ch; - info->pseudo_palette = &ch->pseudo_palette; - info->flags = FBINFO_FLAG_DEFAULT; - /* Iterate through the modes to validate them and find the highest * resolution. */ max_mode = NULL; max_size = 0; - for (i = 0, mode = cfg->lcd_cfg; i < cfg->num_cfg; i++, mode++) { + for (i = 0, mode = cfg->lcd_modes; i < cfg->num_modes; i++, mode++) { unsigned int size = mode->yres * mode->xres; /* NV12/NV21 buffers must have even number of lines */ if ((cfg->fourcc == V4L2_PIX_FMT_NV12 || cfg->fourcc == V4L2_PIX_FMT_NV21) && (mode->yres & 0x1)) { - dev_err(dev, "yres must be multiple of 2 for YCbCr420 " - "mode.\n"); + dev_err(priv->dev, "yres must be multiple of 2 for " + "YCbCr420 mode.\n"); return -EINVAL; } @@ -1582,93 +1842,59 @@ static int __devinit sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_chan *ch, if (!max_size) max_size = MAX_XRES * MAX_YRES; else - dev_dbg(dev, "Found largest videomode %ux%u\n", + dev_dbg(priv->dev, "Found largest videomode %ux%u\n", max_mode->xres, max_mode->yres); - /* Create the mode list. */ - if (cfg->lcd_cfg == NULL) { + if (cfg->lcd_modes == NULL) { mode = &default_720p; - num_cfg = 1; + num_modes = 1; } else { - mode = cfg->lcd_cfg; - num_cfg = cfg->num_cfg; + mode = cfg->lcd_modes; + num_modes = cfg->num_modes; } - fb_videomode_to_modelist(mode, num_cfg, &info->modelist); + /* Use the first mode as default. */ + ch->format = format; + ch->xres = mode->xres; + ch->xres_virtual = mode->xres; + ch->yres = mode->yres; + ch->yres_virtual = mode->yres * 2; - /* Initialize variable screen information using the first mode as - * default. The default Y virtual resolution is twice the panel size to - * allow for double-buffering. - */ - var = &info->var; - fb_videomode_to_var(var, mode); - var->width = cfg->lcd_size_cfg.width; - var->height = cfg->lcd_size_cfg.height; - var->yres_virtual = var->yres * 2; - var->activate = FB_ACTIVATE_NOW; - - switch (cfg->fourcc) { - case V4L2_PIX_FMT_RGB565: - var->bits_per_pixel = 16; - break; - case V4L2_PIX_FMT_BGR24: - var->bits_per_pixel = 24; - break; - case V4L2_PIX_FMT_BGR32: - var->bits_per_pixel = 32; - break; - default: - var->grayscale = cfg->fourcc; - break; + if (!format->yuv) { + ch->colorspace = V4L2_COLORSPACE_SRGB; + ch->pitch = ch->xres * format->bpp / 8; + } else { + ch->colorspace = V4L2_COLORSPACE_REC709; + ch->pitch = ch->xres; } - /* Make sure the memory size check won't fail. smem_len is initialized - * later based on var. - */ - info->fix.smem_len = UINT_MAX; - ret = sh_mobile_check_var(var, info); - if (ret) - return ret; - - max_size = max_size * var->bits_per_pixel / 8 * 2; + ch->display.width = cfg->panel_cfg.width; + ch->display.height = cfg->panel_cfg.height; + ch->display.mode = *mode; - /* Allocate frame buffer memory and color map. */ - buf = dma_alloc_coherent(dev, max_size, &ch->dma_handle, GFP_KERNEL); - if (!buf) { - dev_err(dev, "unable to allocate buffer\n"); + /* Allocate frame buffer memory. */ + ch->fb_size = max_size * format->bpp / 8 * 2; + ch->fb_mem = dma_alloc_coherent(priv->dev, ch->fb_size, &ch->dma_handle, + GFP_KERNEL); + if (ch->fb_mem == NULL) { + dev_err(priv->dev, "unable to allocate buffer\n"); return -ENOMEM; } - ret = fb_alloc_cmap(&info->cmap, PALETTE_NR, 0); - if (ret < 0) { - dev_err(dev, "unable to allocate cmap\n"); - dma_free_coherent(dev, max_size, buf, ch->dma_handle); - return ret; - } - - /* Initialize fixed screen information. Restrict pan to 2 lines steps - * for NV12 and NV21. - */ - info->fix = sh_mobile_lcdc_fix; - info->fix.smem_start = ch->dma_handle; - info->fix.smem_len = max_size; - if (cfg->fourcc == V4L2_PIX_FMT_NV12 || - cfg->fourcc == V4L2_PIX_FMT_NV21) - info->fix.ypanstep = 2; - - if (sh_mobile_format_is_yuv(var)) { - info->fix.line_length = var->xres; - info->fix.visual = FB_VISUAL_FOURCC; - } else { - info->fix.line_length = var->xres * var->bits_per_pixel / 8; - info->fix.visual = FB_VISUAL_TRUECOLOR; + /* Initialize the transmitter device if present. */ + if (cfg->tx_dev) { + if (!cfg->tx_dev->dev.driver || + !try_module_get(cfg->tx_dev->dev.driver->owner)) { + dev_warn(priv->dev, + "unable to get transmitter device\n"); + return -EINVAL; + } + ch->tx_dev = platform_get_drvdata(cfg->tx_dev); + ch->tx_dev->lcdc = ch; + ch->tx_dev->def_mode = *mode; } - info->screen_base = buf; - info->device = dev; - ch->display_var = *var; - - return 0; + return sh_mobile_lcdc_channel_fb_init(ch, mode, num_modes); } static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev) @@ -1698,6 +1924,8 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev) return -ENOMEM; } + priv->dev = &pdev->dev; + priv->meram_dev = pdata->meram_dev; platform_set_drvdata(pdev, priv); error = request_irq(i, sh_mobile_lcdc_irq, 0, @@ -1714,7 +1942,7 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev) struct sh_mobile_lcdc_chan *ch = priv->ch + num_channels; ch->lcdc = priv; - memcpy(&ch->cfg, &pdata->ch[i], sizeof(pdata->ch[i])); + ch->cfg = &pdata->ch[i]; error = sh_mobile_lcdc_check_interface(ch); if (error) { @@ -1726,7 +1954,7 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev) ch->pan_offset = 0; /* probe the backlight is there is one defined */ - if (ch->cfg.bl_info.max_brightness) + if (ch->cfg->bl_info.max_brightness) ch->bl = sh_mobile_lcdc_bl_probe(&pdev->dev, ch); switch (pdata->ch[i].chan) { @@ -1757,18 +1985,19 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev) if (!priv->base) goto err1; - error = sh_mobile_lcdc_setup_clocks(pdev, pdata->clock_source, priv); + error = sh_mobile_lcdc_setup_clocks(priv, pdata->clock_source); if (error) { dev_err(&pdev->dev, "unable to setup clocks\n"); goto err1; } - priv->meram_dev = pdata->meram_dev; + /* Enable runtime PM. */ + pm_runtime_enable(&pdev->dev); for (i = 0; i < num_channels; i++) { struct sh_mobile_lcdc_chan *ch = priv->ch + i; - error = sh_mobile_lcdc_channel_init(ch, &pdev->dev); + error = sh_mobile_lcdc_channel_init(priv, ch); if (error) goto err1; } @@ -1781,31 +2010,10 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev) for (i = 0; i < num_channels; i++) { struct sh_mobile_lcdc_chan *ch = priv->ch + i; - struct fb_info *info = ch->info; - - if (info->fbdefio) { - ch->sglist = vmalloc(sizeof(struct scatterlist) * - info->fix.smem_len >> PAGE_SHIFT); - if (!ch->sglist) { - dev_err(&pdev->dev, "cannot allocate sglist\n"); - goto err1; - } - } - - info->bl_dev = ch->bl; - error = register_framebuffer(info); - if (error < 0) + error = sh_mobile_lcdc_channel_fb_register(ch); + if (error) goto err1; - - dev_info(info->dev, "registered %s/%s as %dx%d %dbpp.\n", - pdev->name, (ch->cfg.chan == LCDC_CHAN_MAINLCD) ? - "mainlcd" : "sublcd", info->var.xres, info->var.yres, - info->var.bits_per_pixel); - - /* deferred io mode: disable clock to save power */ - if (info->fbdefio || info->state == FBINFO_STATE_SUSPENDED) - sh_mobile_lcdc_clk_off(priv); } /* Failure ignored */ diff --git a/drivers/video/sh_mobile_lcdcfb.h b/drivers/video/sh_mobile_lcdcfb.h index a58a0f3..da1c26e 100644 --- a/drivers/video/sh_mobile_lcdcfb.h +++ b/drivers/video/sh_mobile_lcdcfb.h @@ -14,9 +14,35 @@ enum { LDDCKPAT1R, LDDCKPAT2R, LDMT1R, LDMT2R, LDMT3R, LDDFR, LDSM1R, #define PALETTE_NR 16 -struct sh_mobile_lcdc_priv; -struct fb_info; struct backlight_device; +struct fb_info; +struct module; +struct sh_mobile_lcdc_chan; +struct sh_mobile_lcdc_entity; +struct sh_mobile_lcdc_format_info; +struct sh_mobile_lcdc_priv; + +#define SH_MOBILE_LCDC_DISPLAY_DISCONNECTED 0 +#define SH_MOBILE_LCDC_DISPLAY_CONNECTED 1 + +struct sh_mobile_lcdc_entity_ops { + /* Display */ + int (*display_on)(struct sh_mobile_lcdc_entity *entity); + void (*display_off)(struct sh_mobile_lcdc_entity *entity); +}; + +enum sh_mobile_lcdc_entity_event { + SH_MOBILE_LCDC_EVENT_DISPLAY_CONNECT, + SH_MOBILE_LCDC_EVENT_DISPLAY_DISCONNECT, + SH_MOBILE_LCDC_EVENT_DISPLAY_MODE, +}; + +struct sh_mobile_lcdc_entity { + struct module *owner; + const struct sh_mobile_lcdc_entity_ops *ops; + struct sh_mobile_lcdc_chan *lcdc; + struct fb_videomode def_mode; +}; /* * struct sh_mobile_lcdc_chan - LCDC display channel @@ -27,29 +53,57 @@ struct backlight_device; */ struct sh_mobile_lcdc_chan { struct sh_mobile_lcdc_priv *lcdc; + struct sh_mobile_lcdc_entity *tx_dev; + const struct sh_mobile_lcdc_chan_cfg *cfg; + unsigned long *reg_offs; unsigned long ldmt1r_value; unsigned long enabled; /* ME and SE in LDCNT2R */ - struct sh_mobile_lcdc_chan_cfg cfg; - u32 pseudo_palette[PALETTE_NR]; - struct fb_info *info; - struct backlight_device *bl; + void *meram; + + struct mutex open_lock; /* protects the use counter */ + int use_count; + + void *fb_mem; + unsigned long fb_size; + dma_addr_t dma_handle; - struct fb_deferred_io defio; - struct scatterlist *sglist; - unsigned long frame_end; unsigned long pan_offset; + + unsigned long frame_end; wait_queue_head_t frame_end_wait; struct completion vsync_completion; - struct fb_var_screeninfo display_var; - int use_count; - int blank_status; - struct mutex open_lock; /* protects the use counter */ - int meram_enabled; + + const struct sh_mobile_lcdc_format_info *format; + u32 colorspace; + unsigned int xres; + unsigned int xres_virtual; + unsigned int yres; + unsigned int yres_virtual; + unsigned int pitch; unsigned long base_addr_y; unsigned long base_addr_c; - unsigned int pitch; + + int (*notify)(struct sh_mobile_lcdc_chan *ch, + enum sh_mobile_lcdc_entity_event event, + const struct fb_videomode *mode, + const struct fb_monspecs *monspec); + + /* Backlight */ + struct backlight_device *bl; + + /* FB */ + struct fb_info *info; + u32 pseudo_palette[PALETTE_NR]; + struct { + unsigned int width; + unsigned int height; + struct fb_videomode mode; + } display; + struct fb_deferred_io defio; + struct scatterlist *sglist; + int blank_status; }; #endif diff --git a/drivers/video/sh_mobile_meram.c b/drivers/video/sh_mobile_meram.c index f45d83e..82ba830 100644 --- a/drivers/video/sh_mobile_meram.c +++ b/drivers/video/sh_mobile_meram.c @@ -9,16 +9,22 @@ * for more details. */ +#include <linux/device.h> +#include <linux/err.h> +#include <linux/genalloc.h> +#include <linux/io.h> #include <linux/kernel.h> #include <linux/module.h> -#include <linux/device.h> +#include <linux/platform_device.h> #include <linux/pm_runtime.h> -#include <linux/io.h> #include <linux/slab.h> -#include <linux/platform_device.h> + #include <video/sh_mobile_meram.h> -/* meram registers */ +/* ----------------------------------------------------------------------------- + * MERAM registers + */ + #define MEVCR1 0x4 #define MEVCR1_RST (1 << 31) #define MEVCR1_WD (1 << 30) @@ -81,16 +87,14 @@ ((yszm1) << MExxBSIZE_YSZM1_SHIFT) | \ ((xszm1) << MExxBSIZE_XSZM1_SHIFT)) -#define SH_MOBILE_MERAM_ICB_NUM 32 - -static unsigned long common_regs[] = { +static const unsigned long common_regs[] = { MEVCR1, MEQSEL1, MEQSEL2, }; -#define CMN_REGS_SIZE ARRAY_SIZE(common_regs) +#define MERAM_REGS_SIZE ARRAY_SIZE(common_regs) -static unsigned long icb_regs[] = { +static const unsigned long icb_regs[] = { MExxCTL, MExxBSIZE, MExxMNCF, @@ -100,216 +104,269 @@ static unsigned long icb_regs[] = { }; #define ICB_REGS_SIZE ARRAY_SIZE(icb_regs) +/* + * sh_mobile_meram_icb - MERAM ICB information + * @regs: Registers cache + * @index: ICB index + * @offset: MERAM block offset + * @size: MERAM block size in KiB + * @cache_unit: Bytes to cache per ICB + * @pixelformat: Video pixel format of the data stored in the ICB + * @current_reg: Which of Start Address Register A (0) or B (1) is in use + */ +struct sh_mobile_meram_icb { + unsigned long regs[ICB_REGS_SIZE]; + unsigned int index; + unsigned long offset; + unsigned int size; + + unsigned int cache_unit; + unsigned int pixelformat; + unsigned int current_reg; +}; + +#define MERAM_ICB_NUM 32 + +struct sh_mobile_meram_fb_plane { + struct sh_mobile_meram_icb *marker; + struct sh_mobile_meram_icb *cache; +}; + +struct sh_mobile_meram_fb_cache { + unsigned int nplanes; + struct sh_mobile_meram_fb_plane planes[2]; +}; + +/* + * sh_mobile_meram_priv - MERAM device + * @base: Registers base address + * @meram: MERAM physical address + * @regs: Registers cache + * @lock: Protects used_icb and icbs + * @used_icb: Bitmask of used ICBs + * @icbs: ICBs + * @pool: Allocation pool to manage the MERAM + */ struct sh_mobile_meram_priv { - void __iomem *base; - struct mutex lock; - unsigned long used_icb; - int used_meram_cache_regions; - unsigned long used_meram_cache[SH_MOBILE_MERAM_ICB_NUM]; - unsigned long cmn_saved_regs[CMN_REGS_SIZE]; - unsigned long icb_saved_regs[ICB_REGS_SIZE * SH_MOBILE_MERAM_ICB_NUM]; + void __iomem *base; + unsigned long meram; + unsigned long regs[MERAM_REGS_SIZE]; + + struct mutex lock; + unsigned long used_icb; + struct sh_mobile_meram_icb icbs[MERAM_ICB_NUM]; + + struct gen_pool *pool; }; /* settings */ -#define MERAM_SEC_LINE 15 -#define MERAM_LINE_WIDTH 2048 +#define MERAM_GRANULARITY 1024 +#define MERAM_SEC_LINE 15 +#define MERAM_LINE_WIDTH 2048 -/* - * MERAM/ICB access functions +/* ----------------------------------------------------------------------------- + * Registers access */ #define MERAM_ICB_OFFSET(base, idx, off) ((base) + (off) + (idx) * 0x20) -static inline void meram_write_icb(void __iomem *base, int idx, int off, - unsigned long val) +static inline void meram_write_icb(void __iomem *base, unsigned int idx, + unsigned int off, unsigned long val) { iowrite32(val, MERAM_ICB_OFFSET(base, idx, off)); } -static inline unsigned long meram_read_icb(void __iomem *base, int idx, int off) +static inline unsigned long meram_read_icb(void __iomem *base, unsigned int idx, + unsigned int off) { return ioread32(MERAM_ICB_OFFSET(base, idx, off)); } -static inline void meram_write_reg(void __iomem *base, int off, - unsigned long val) +static inline void meram_write_reg(void __iomem *base, unsigned int off, + unsigned long val) { iowrite32(val, base + off); } -static inline unsigned long meram_read_reg(void __iomem *base, int off) +static inline unsigned long meram_read_reg(void __iomem *base, unsigned int off) { return ioread32(base + off); } -/* - * register ICB - */ - -#define MERAM_CACHE_START(p) ((p) >> 16) -#define MERAM_CACHE_END(p) ((p) & 0xffff) -#define MERAM_CACHE_SET(o, s) ((((o) & 0xffff) << 16) | \ - (((o) + (s) - 1) & 0xffff)) - -/* - * check if there's no overlaps in MERAM allocation. +/* ----------------------------------------------------------------------------- + * Allocation */ -static inline int meram_check_overlap(struct sh_mobile_meram_priv *priv, - struct sh_mobile_meram_icb *new) +/* Allocate ICBs and MERAM for a plane. */ +static int __meram_alloc(struct sh_mobile_meram_priv *priv, + struct sh_mobile_meram_fb_plane *plane, + size_t size) { - int i; - int used_start, used_end, meram_start, meram_end; + unsigned long mem; + unsigned long idx; - /* valid ICB? */ - if (new->marker_icb & ~0x1f || new->cache_icb & ~0x1f) - return 1; + idx = find_first_zero_bit(&priv->used_icb, 28); + if (idx == 28) + return -ENOMEM; + plane->cache = &priv->icbs[idx]; - if (test_bit(new->marker_icb, &priv->used_icb) || - test_bit(new->cache_icb, &priv->used_icb)) - return 1; + idx = find_next_zero_bit(&priv->used_icb, 32, 28); + if (idx == 32) + return -ENOMEM; + plane->marker = &priv->icbs[idx]; - for (i = 0; i < priv->used_meram_cache_regions; i++) { - used_start = MERAM_CACHE_START(priv->used_meram_cache[i]); - used_end = MERAM_CACHE_END(priv->used_meram_cache[i]); - meram_start = new->meram_offset; - meram_end = new->meram_offset + new->meram_size; + mem = gen_pool_alloc(priv->pool, size * 1024); + if (mem == 0) + return -ENOMEM; - if ((meram_start >= used_start && meram_start < used_end) || - (meram_end > used_start && meram_end < used_end)) - return 1; - } + __set_bit(plane->marker->index, &priv->used_icb); + __set_bit(plane->cache->index, &priv->used_icb); + + plane->marker->offset = mem - priv->meram; + plane->marker->size = size; return 0; } -/* - * mark the specified ICB as used - */ +/* Free ICBs and MERAM for a plane. */ +static void __meram_free(struct sh_mobile_meram_priv *priv, + struct sh_mobile_meram_fb_plane *plane) +{ + gen_pool_free(priv->pool, priv->meram + plane->marker->offset, + plane->marker->size * 1024); -static inline void meram_mark(struct sh_mobile_meram_priv *priv, - struct sh_mobile_meram_icb *new) + __clear_bit(plane->marker->index, &priv->used_icb); + __clear_bit(plane->cache->index, &priv->used_icb); +} + +/* Is this a YCbCr(NV12, NV16 or NV24) colorspace? */ +static int is_nvcolor(int cspace) { - int n; + if (cspace == SH_MOBILE_MERAM_PF_NV || + cspace == SH_MOBILE_MERAM_PF_NV24) + return 1; + return 0; +} - if (new->marker_icb < 0 || new->cache_icb < 0) - return; +/* Allocate memory for the ICBs and mark them as used. */ +static struct sh_mobile_meram_fb_cache * +meram_alloc(struct sh_mobile_meram_priv *priv, + const struct sh_mobile_meram_cfg *cfg, + int pixelformat) +{ + struct sh_mobile_meram_fb_cache *cache; + unsigned int nplanes = is_nvcolor(pixelformat) ? 2 : 1; + int ret; - __set_bit(new->marker_icb, &priv->used_icb); - __set_bit(new->cache_icb, &priv->used_icb); + if (cfg->icb[0].meram_size == 0) + return ERR_PTR(-EINVAL); - n = priv->used_meram_cache_regions; + if (nplanes == 2 && cfg->icb[1].meram_size == 0) + return ERR_PTR(-EINVAL); - priv->used_meram_cache[n] = MERAM_CACHE_SET(new->meram_offset, - new->meram_size); + cache = kzalloc(sizeof(*cache), GFP_KERNEL); + if (cache == NULL) + return ERR_PTR(-ENOMEM); - priv->used_meram_cache_regions++; -} + cache->nplanes = nplanes; -/* - * unmark the specified ICB as used - */ + ret = __meram_alloc(priv, &cache->planes[0], cfg->icb[0].meram_size); + if (ret < 0) + goto error; -static inline void meram_unmark(struct sh_mobile_meram_priv *priv, - struct sh_mobile_meram_icb *icb) -{ - int i; - unsigned long pattern; - - if (icb->marker_icb < 0 || icb->cache_icb < 0) - return; - - __clear_bit(icb->marker_icb, &priv->used_icb); - __clear_bit(icb->cache_icb, &priv->used_icb); - - pattern = MERAM_CACHE_SET(icb->meram_offset, icb->meram_size); - for (i = 0; i < priv->used_meram_cache_regions; i++) { - if (priv->used_meram_cache[i] == pattern) { - while (i < priv->used_meram_cache_regions - 1) { - priv->used_meram_cache[i] = - priv->used_meram_cache[i + 1] ; - i++; - } - priv->used_meram_cache[i] = 0; - priv->used_meram_cache_regions--; - break; - } + cache->planes[0].marker->current_reg = 1; + cache->planes[0].marker->pixelformat = pixelformat; + + if (cache->nplanes == 1) + return cache; + + ret = __meram_alloc(priv, &cache->planes[1], cfg->icb[1].meram_size); + if (ret < 0) { + __meram_free(priv, &cache->planes[0]); + goto error; } + + return cache; + +error: + kfree(cache); + return ERR_PTR(-ENOMEM); } -/* - * is this a YCbCr(NV12, NV16 or NV24) colorspace - */ -static inline int is_nvcolor(int cspace) +/* Unmark the specified ICB as used. */ +static void meram_free(struct sh_mobile_meram_priv *priv, + struct sh_mobile_meram_fb_cache *cache) { - if (cspace == SH_MOBILE_MERAM_PF_NV || - cspace == SH_MOBILE_MERAM_PF_NV24) - return 1; - return 0; + __meram_free(priv, &cache->planes[0]); + if (cache->nplanes == 2) + __meram_free(priv, &cache->planes[1]); + + kfree(cache); } -/* - * set the next address to fetch - */ -static inline void meram_set_next_addr(struct sh_mobile_meram_priv *priv, - struct sh_mobile_meram_cfg *cfg, - unsigned long base_addr_y, - unsigned long base_addr_c) +/* Set the next address to fetch. */ +static void meram_set_next_addr(struct sh_mobile_meram_priv *priv, + struct sh_mobile_meram_fb_cache *cache, + unsigned long base_addr_y, + unsigned long base_addr_c) { + struct sh_mobile_meram_icb *icb = cache->planes[0].marker; unsigned long target; - target = (cfg->current_reg) ? MExxSARA : MExxSARB; - cfg->current_reg ^= 1; + icb->current_reg ^= 1; + target = icb->current_reg ? MExxSARB : MExxSARA; /* set the next address to fetch */ - meram_write_icb(priv->base, cfg->icb[0].cache_icb, target, + meram_write_icb(priv->base, cache->planes[0].cache->index, target, base_addr_y); - meram_write_icb(priv->base, cfg->icb[0].marker_icb, target, - base_addr_y + cfg->icb[0].cache_unit); - - if (is_nvcolor(cfg->pixelformat)) { - meram_write_icb(priv->base, cfg->icb[1].cache_icb, target, - base_addr_c); - meram_write_icb(priv->base, cfg->icb[1].marker_icb, target, - base_addr_c + cfg->icb[1].cache_unit); + meram_write_icb(priv->base, cache->planes[0].marker->index, target, + base_addr_y + cache->planes[0].marker->cache_unit); + + if (cache->nplanes == 2) { + meram_write_icb(priv->base, cache->planes[1].cache->index, + target, base_addr_c); + meram_write_icb(priv->base, cache->planes[1].marker->index, + target, base_addr_c + + cache->planes[1].marker->cache_unit); } } -/* - * get the next ICB address - */ -static inline void meram_get_next_icb_addr(struct sh_mobile_meram_info *pdata, - struct sh_mobile_meram_cfg *cfg, - unsigned long *icb_addr_y, - unsigned long *icb_addr_c) +/* Get the next ICB address. */ +static void +meram_get_next_icb_addr(struct sh_mobile_meram_info *pdata, + struct sh_mobile_meram_fb_cache *cache, + unsigned long *icb_addr_y, unsigned long *icb_addr_c) { + struct sh_mobile_meram_icb *icb = cache->planes[0].marker; unsigned long icb_offset; if (pdata->addr_mode == SH_MOBILE_MERAM_MODE0) - icb_offset = 0x80000000 | (cfg->current_reg << 29); + icb_offset = 0x80000000 | (icb->current_reg << 29); else - icb_offset = 0xc0000000 | (cfg->current_reg << 23); + icb_offset = 0xc0000000 | (icb->current_reg << 23); - *icb_addr_y = icb_offset | (cfg->icb[0].marker_icb << 24); - if (is_nvcolor(cfg->pixelformat)) - *icb_addr_c = icb_offset | (cfg->icb[1].marker_icb << 24); + *icb_addr_y = icb_offset | (cache->planes[0].marker->index << 24); + if (cache->nplanes == 2) + *icb_addr_c = icb_offset + | (cache->planes[1].marker->index << 24); } #define MERAM_CALC_BYTECOUNT(x, y) \ (((x) * (y) + (MERAM_LINE_WIDTH - 1)) & ~(MERAM_LINE_WIDTH - 1)) -/* - * initialize MERAM - */ - +/* Initialize MERAM. */ static int meram_init(struct sh_mobile_meram_priv *priv, - struct sh_mobile_meram_icb *icb, - int xres, int yres, int *out_pitch) + struct sh_mobile_meram_fb_plane *plane, + unsigned int xres, unsigned int yres, + unsigned int *out_pitch) { + struct sh_mobile_meram_icb *marker = plane->marker; unsigned long total_byte_count = MERAM_CALC_BYTECOUNT(xres, yres); unsigned long bnm; - int lcdc_pitch, xpitch, line_cnt; - int save_lines; + unsigned int lcdc_pitch; + unsigned int xpitch; + unsigned int line_cnt; + unsigned int save_lines; /* adjust pitch to 1024, 2048, 4096 or 8192 */ lcdc_pitch = (xres - 1) | 1023; @@ -322,13 +379,13 @@ static int meram_init(struct sh_mobile_meram_priv *priv, lcdc_pitch = xpitch = MERAM_LINE_WIDTH; line_cnt = total_byte_count >> 11; *out_pitch = xres; - save_lines = (icb->meram_size / 16 / MERAM_SEC_LINE); + save_lines = plane->marker->size / 16 / MERAM_SEC_LINE; save_lines *= MERAM_SEC_LINE; } else { xpitch = xres; line_cnt = yres; *out_pitch = lcdc_pitch; - save_lines = icb->meram_size / (lcdc_pitch >> 10) / 2; + save_lines = plane->marker->size / (lcdc_pitch >> 10) / 2; save_lines &= 0xff; } bnm = (save_lines - 1) << 16; @@ -336,19 +393,20 @@ static int meram_init(struct sh_mobile_meram_priv *priv, /* TODO: we better to check if we have enough MERAM buffer size */ /* set up ICB */ - meram_write_icb(priv->base, icb->cache_icb, MExxBSIZE, + meram_write_icb(priv->base, plane->cache->index, MExxBSIZE, MERAM_MExxBSIZE_VAL(0x0, line_cnt - 1, xpitch - 1)); - meram_write_icb(priv->base, icb->marker_icb, MExxBSIZE, + meram_write_icb(priv->base, plane->marker->index, MExxBSIZE, MERAM_MExxBSIZE_VAL(0xf, line_cnt - 1, xpitch - 1)); - meram_write_icb(priv->base, icb->cache_icb, MExxMNCF, bnm); - meram_write_icb(priv->base, icb->marker_icb, MExxMNCF, bnm); + meram_write_icb(priv->base, plane->cache->index, MExxMNCF, bnm); + meram_write_icb(priv->base, plane->marker->index, MExxMNCF, bnm); - meram_write_icb(priv->base, icb->cache_icb, MExxSBSIZE, xpitch); - meram_write_icb(priv->base, icb->marker_icb, MExxSBSIZE, xpitch); + meram_write_icb(priv->base, plane->cache->index, MExxSBSIZE, xpitch); + meram_write_icb(priv->base, plane->marker->index, MExxSBSIZE, xpitch); /* save a cache unit size */ - icb->cache_unit = xres * save_lines; + plane->cache->cache_unit = xres * save_lines; + plane->marker->cache_unit = xres * save_lines; /* * Set MERAM for framebuffer @@ -356,13 +414,13 @@ static int meram_init(struct sh_mobile_meram_priv *priv, * we also chain the cache_icb and the marker_icb. * we also split the allocated MERAM buffer between two ICBs. */ - meram_write_icb(priv->base, icb->cache_icb, MExxCTL, - MERAM_MExxCTL_VAL(icb->marker_icb, icb->meram_offset) | - MExxCTL_WD1 | MExxCTL_WD0 | MExxCTL_WS | MExxCTL_CM | + meram_write_icb(priv->base, plane->cache->index, MExxCTL, + MERAM_MExxCTL_VAL(plane->marker->index, marker->offset) + | MExxCTL_WD1 | MExxCTL_WD0 | MExxCTL_WS | MExxCTL_CM | MExxCTL_MD_FB); - meram_write_icb(priv->base, icb->marker_icb, MExxCTL, - MERAM_MExxCTL_VAL(icb->cache_icb, icb->meram_offset + - icb->meram_size / 2) | + meram_write_icb(priv->base, plane->marker->index, MExxCTL, + MERAM_MExxCTL_VAL(plane->cache->index, marker->offset + + plane->marker->size / 2) | MExxCTL_WD1 | MExxCTL_WD0 | MExxCTL_WS | MExxCTL_CM | MExxCTL_MD_FB); @@ -370,239 +428,175 @@ static int meram_init(struct sh_mobile_meram_priv *priv, } static void meram_deinit(struct sh_mobile_meram_priv *priv, - struct sh_mobile_meram_icb *icb) + struct sh_mobile_meram_fb_plane *plane) { /* disable ICB */ - meram_write_icb(priv->base, icb->cache_icb, MExxCTL, + meram_write_icb(priv->base, plane->cache->index, MExxCTL, MExxCTL_WBF | MExxCTL_WF | MExxCTL_RF); - meram_write_icb(priv->base, icb->marker_icb, MExxCTL, + meram_write_icb(priv->base, plane->marker->index, MExxCTL, MExxCTL_WBF | MExxCTL_WF | MExxCTL_RF); - icb->cache_unit = 0; + + plane->cache->cache_unit = 0; + plane->marker->cache_unit = 0; } -/* - * register the ICB +/* ----------------------------------------------------------------------------- + * Registration/unregistration */ -static int sh_mobile_meram_register(struct sh_mobile_meram_info *pdata, - struct sh_mobile_meram_cfg *cfg, - int xres, int yres, int pixelformat, - unsigned long base_addr_y, - unsigned long base_addr_c, - unsigned long *icb_addr_y, - unsigned long *icb_addr_c, - int *pitch) +static void *sh_mobile_meram_register(struct sh_mobile_meram_info *pdata, + const struct sh_mobile_meram_cfg *cfg, + unsigned int xres, unsigned int yres, + unsigned int pixelformat, + unsigned int *pitch) { - struct platform_device *pdev; - struct sh_mobile_meram_priv *priv; - int n, out_pitch; - int error = 0; - - if (!pdata || !pdata->priv || !pdata->pdev || !cfg) - return -EINVAL; + struct sh_mobile_meram_fb_cache *cache; + struct sh_mobile_meram_priv *priv = pdata->priv; + struct platform_device *pdev = pdata->pdev; + unsigned int out_pitch; if (pixelformat != SH_MOBILE_MERAM_PF_NV && pixelformat != SH_MOBILE_MERAM_PF_NV24 && pixelformat != SH_MOBILE_MERAM_PF_RGB) - return -EINVAL; - - priv = pdata->priv; - pdev = pdata->pdev; + return ERR_PTR(-EINVAL); - dev_dbg(&pdev->dev, "registering %dx%d (%s) (y=%08lx, c=%08lx)", - xres, yres, (!pixelformat) ? "yuv" : "rgb", - base_addr_y, base_addr_c); + dev_dbg(&pdev->dev, "registering %dx%d (%s)", xres, yres, + !pixelformat ? "yuv" : "rgb"); /* we can't handle wider than 8192px */ if (xres > 8192) { dev_err(&pdev->dev, "width exceeding the limit (> 8192)."); - return -EINVAL; - } - - /* do we have at least one ICB config? */ - if (cfg->icb[0].marker_icb < 0 || cfg->icb[0].cache_icb < 0) { - dev_err(&pdev->dev, "at least one ICB is required."); - return -EINVAL; + return ERR_PTR(-EINVAL); } mutex_lock(&priv->lock); - if (priv->used_meram_cache_regions + 2 > SH_MOBILE_MERAM_ICB_NUM) { - dev_err(&pdev->dev, "no more ICB available."); - error = -EINVAL; - goto err; - } - - /* make sure that there's no overlaps */ - if (meram_check_overlap(priv, &cfg->icb[0])) { - dev_err(&pdev->dev, "conflicting config detected."); - error = -EINVAL; + /* We now register the ICBs and allocate the MERAM regions. */ + cache = meram_alloc(priv, cfg, pixelformat); + if (IS_ERR(cache)) { + dev_err(&pdev->dev, "MERAM allocation failed (%ld).", + PTR_ERR(cache)); goto err; } - n = 1; - - /* do the same if we have the second ICB set */ - if (cfg->icb[1].marker_icb >= 0 && cfg->icb[1].cache_icb >= 0) { - if (meram_check_overlap(priv, &cfg->icb[1])) { - dev_err(&pdev->dev, "conflicting config detected."); - error = -EINVAL; - goto err; - } - n = 2; - } - - if (is_nvcolor(pixelformat) && n != 2) { - dev_err(&pdev->dev, "requires two ICB sets for planar Y/C."); - error = -EINVAL; - goto err; - } - - /* we now register the ICB */ - cfg->pixelformat = pixelformat; - meram_mark(priv, &cfg->icb[0]); - if (is_nvcolor(pixelformat)) - meram_mark(priv, &cfg->icb[1]); /* initialize MERAM */ - meram_init(priv, &cfg->icb[0], xres, yres, &out_pitch); + meram_init(priv, &cache->planes[0], xres, yres, &out_pitch); *pitch = out_pitch; if (pixelformat == SH_MOBILE_MERAM_PF_NV) - meram_init(priv, &cfg->icb[1], xres, (yres + 1) / 2, + meram_init(priv, &cache->planes[1], xres, (yres + 1) / 2, &out_pitch); else if (pixelformat == SH_MOBILE_MERAM_PF_NV24) - meram_init(priv, &cfg->icb[1], 2 * xres, (yres + 1) / 2, + meram_init(priv, &cache->planes[1], 2 * xres, (yres + 1) / 2, &out_pitch); - cfg->current_reg = 1; - meram_set_next_addr(priv, cfg, base_addr_y, base_addr_c); - meram_get_next_icb_addr(pdata, cfg, icb_addr_y, icb_addr_c); - - dev_dbg(&pdev->dev, "registered - can access via y=%08lx, c=%08lx", - *icb_addr_y, *icb_addr_c); - err: mutex_unlock(&priv->lock); - return error; + return cache; } -static int sh_mobile_meram_unregister(struct sh_mobile_meram_info *pdata, - struct sh_mobile_meram_cfg *cfg) +static void +sh_mobile_meram_unregister(struct sh_mobile_meram_info *pdata, void *data) { - struct sh_mobile_meram_priv *priv; - - if (!pdata || !pdata->priv || !cfg) - return -EINVAL; - - priv = pdata->priv; + struct sh_mobile_meram_fb_cache *cache = data; + struct sh_mobile_meram_priv *priv = pdata->priv; mutex_lock(&priv->lock); - /* deinit & unmark */ - if (is_nvcolor(cfg->pixelformat)) { - meram_deinit(priv, &cfg->icb[1]); - meram_unmark(priv, &cfg->icb[1]); - } - meram_deinit(priv, &cfg->icb[0]); - meram_unmark(priv, &cfg->icb[0]); + /* deinit & free */ + meram_deinit(priv, &cache->planes[0]); + if (cache->nplanes == 2) + meram_deinit(priv, &cache->planes[1]); - mutex_unlock(&priv->lock); + meram_free(priv, cache); - return 0; + mutex_unlock(&priv->lock); } -static int sh_mobile_meram_update(struct sh_mobile_meram_info *pdata, - struct sh_mobile_meram_cfg *cfg, - unsigned long base_addr_y, - unsigned long base_addr_c, - unsigned long *icb_addr_y, - unsigned long *icb_addr_c) +static void +sh_mobile_meram_update(struct sh_mobile_meram_info *pdata, void *data, + unsigned long base_addr_y, unsigned long base_addr_c, + unsigned long *icb_addr_y, unsigned long *icb_addr_c) { - struct sh_mobile_meram_priv *priv; - - if (!pdata || !pdata->priv || !cfg) - return -EINVAL; - - priv = pdata->priv; + struct sh_mobile_meram_fb_cache *cache = data; + struct sh_mobile_meram_priv *priv = pdata->priv; mutex_lock(&priv->lock); - meram_set_next_addr(priv, cfg, base_addr_y, base_addr_c); - meram_get_next_icb_addr(pdata, cfg, icb_addr_y, icb_addr_c); + meram_set_next_addr(priv, cache, base_addr_y, base_addr_c); + meram_get_next_icb_addr(pdata, cache, icb_addr_y, icb_addr_c); mutex_unlock(&priv->lock); - - return 0; } -static int sh_mobile_meram_runtime_suspend(struct device *dev) +static struct sh_mobile_meram_ops sh_mobile_meram_ops = { + .module = THIS_MODULE, + .meram_register = sh_mobile_meram_register, + .meram_unregister = sh_mobile_meram_unregister, + .meram_update = sh_mobile_meram_update, +}; + +/* ----------------------------------------------------------------------------- + * Power management + */ + +static int sh_mobile_meram_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct sh_mobile_meram_priv *priv = platform_get_drvdata(pdev); - int k, j; + unsigned int i, j; - for (k = 0; k < CMN_REGS_SIZE; k++) - priv->cmn_saved_regs[k] = meram_read_reg(priv->base, - common_regs[k]); + for (i = 0; i < MERAM_REGS_SIZE; i++) + priv->regs[i] = meram_read_reg(priv->base, common_regs[i]); - for (j = 0; j < 32; j++) { - if (!test_bit(j, &priv->used_icb)) + for (i = 0; i < 32; i++) { + if (!test_bit(i, &priv->used_icb)) continue; - for (k = 0; k < ICB_REGS_SIZE; k++) { - priv->icb_saved_regs[j * ICB_REGS_SIZE + k] = - meram_read_icb(priv->base, j, icb_regs[k]); + for (j = 0; j < ICB_REGS_SIZE; j++) { + priv->icbs[i].regs[j] = + meram_read_icb(priv->base, i, icb_regs[j]); /* Reset ICB on resume */ - if (icb_regs[k] == MExxCTL) - priv->icb_saved_regs[j * ICB_REGS_SIZE + k] |= + if (icb_regs[j] == MExxCTL) + priv->icbs[i].regs[j] |= MExxCTL_WBF | MExxCTL_WF | MExxCTL_RF; } } return 0; } -static int sh_mobile_meram_runtime_resume(struct device *dev) +static int sh_mobile_meram_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct sh_mobile_meram_priv *priv = platform_get_drvdata(pdev); - int k, j; + unsigned int i, j; - for (j = 0; j < 32; j++) { - if (!test_bit(j, &priv->used_icb)) + for (i = 0; i < 32; i++) { + if (!test_bit(i, &priv->used_icb)) continue; - for (k = 0; k < ICB_REGS_SIZE; k++) { - meram_write_icb(priv->base, j, icb_regs[k], - priv->icb_saved_regs[j * ICB_REGS_SIZE + k]); - } + for (j = 0; j < ICB_REGS_SIZE; j++) + meram_write_icb(priv->base, i, icb_regs[j], + priv->icbs[i].regs[j]); } - for (k = 0; k < CMN_REGS_SIZE; k++) - meram_write_reg(priv->base, common_regs[k], - priv->cmn_saved_regs[k]); + for (i = 0; i < MERAM_REGS_SIZE; i++) + meram_write_reg(priv->base, common_regs[i], priv->regs[i]); return 0; } -static const struct dev_pm_ops sh_mobile_meram_dev_pm_ops = { - .runtime_suspend = sh_mobile_meram_runtime_suspend, - .runtime_resume = sh_mobile_meram_runtime_resume, -}; - -static struct sh_mobile_meram_ops sh_mobile_meram_ops = { - .module = THIS_MODULE, - .meram_register = sh_mobile_meram_register, - .meram_unregister = sh_mobile_meram_unregister, - .meram_update = sh_mobile_meram_update, -}; +static UNIVERSAL_DEV_PM_OPS(sh_mobile_meram_dev_pm_ops, + sh_mobile_meram_suspend, + sh_mobile_meram_resume, NULL); -/* - * initialize MERAM +/* ----------------------------------------------------------------------------- + * Probe/remove and driver init/exit */ -static int sh_mobile_meram_remove(struct platform_device *pdev); - static int __devinit sh_mobile_meram_probe(struct platform_device *pdev) { struct sh_mobile_meram_priv *priv; struct sh_mobile_meram_info *pdata = pdev->dev.platform_data; - struct resource *res; + struct resource *regs; + struct resource *meram; + unsigned int i; int error; if (!pdata) { @@ -610,8 +604,9 @@ static int __devinit sh_mobile_meram_probe(struct platform_device *pdev) return -EINVAL; } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { + regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); + meram = platform_get_resource(pdev, IORESOURCE_MEM, 1); + if (regs == NULL || meram == NULL) { dev_err(&pdev->dev, "cannot get platform resources\n"); return -ENOENT; } @@ -622,32 +617,74 @@ static int __devinit sh_mobile_meram_probe(struct platform_device *pdev) return -ENOMEM; } - platform_set_drvdata(pdev, priv); - - /* initialize private data */ + /* Initialize private data. */ mutex_init(&priv->lock); - priv->base = ioremap_nocache(res->start, resource_size(res)); + priv->used_icb = pdata->reserved_icbs; + + for (i = 0; i < MERAM_ICB_NUM; ++i) + priv->icbs[i].index = i; + + pdata->ops = &sh_mobile_meram_ops; + pdata->priv = priv; + pdata->pdev = pdev; + + /* Request memory regions and remap the registers. */ + if (!request_mem_region(regs->start, resource_size(regs), pdev->name)) { + dev_err(&pdev->dev, "MERAM registers region already claimed\n"); + error = -EBUSY; + goto err_req_regs; + } + + if (!request_mem_region(meram->start, resource_size(meram), + pdev->name)) { + dev_err(&pdev->dev, "MERAM memory region already claimed\n"); + error = -EBUSY; + goto err_req_meram; + } + + priv->base = ioremap_nocache(regs->start, resource_size(regs)); if (!priv->base) { dev_err(&pdev->dev, "ioremap failed\n"); error = -EFAULT; - goto err; + goto err_ioremap; } - pdata->ops = &sh_mobile_meram_ops; - pdata->priv = priv; - pdata->pdev = pdev; + + priv->meram = meram->start; + + /* Create and initialize the MERAM memory pool. */ + priv->pool = gen_pool_create(ilog2(MERAM_GRANULARITY), -1); + if (priv->pool == NULL) { + error = -ENOMEM; + goto err_genpool; + } + + error = gen_pool_add(priv->pool, meram->start, resource_size(meram), + -1); + if (error < 0) + goto err_genpool; /* initialize ICB addressing mode */ if (pdata->addr_mode == SH_MOBILE_MERAM_MODE1) meram_write_reg(priv->base, MEVCR1, MEVCR1_AMD1); + platform_set_drvdata(pdev, priv); pm_runtime_enable(&pdev->dev); dev_info(&pdev->dev, "sh_mobile_meram initialized."); return 0; -err: - sh_mobile_meram_remove(pdev); +err_genpool: + if (priv->pool) + gen_pool_destroy(priv->pool); + iounmap(priv->base); +err_ioremap: + release_mem_region(meram->start, resource_size(meram)); +err_req_meram: + release_mem_region(regs->start, resource_size(regs)); +err_req_regs: + mutex_destroy(&priv->lock); + kfree(priv); return error; } @@ -656,11 +693,16 @@ err: static int sh_mobile_meram_remove(struct platform_device *pdev) { struct sh_mobile_meram_priv *priv = platform_get_drvdata(pdev); + struct resource *regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); + struct resource *meram = platform_get_resource(pdev, IORESOURCE_MEM, 1); pm_runtime_disable(&pdev->dev); - if (priv->base) - iounmap(priv->base); + gen_pool_destroy(priv->pool); + + iounmap(priv->base); + release_mem_region(meram->start, resource_size(meram)); + release_mem_region(regs->start, resource_size(regs)); mutex_destroy(&priv->lock); diff --git a/drivers/video/udlfb.c b/drivers/video/udlfb.c index a197731..a159b63 100644 --- a/drivers/video/udlfb.c +++ b/drivers/video/udlfb.c @@ -72,6 +72,7 @@ MODULE_DEVICE_TABLE(usb, id_table); static bool console = 1; /* Allow fbcon to open framebuffer */ static bool fb_defio = 1; /* Detect mmap writes using page faults */ static bool shadow = 1; /* Optionally disable shadow framebuffer */ +static int pixel_limit; /* Optionally force a pixel resolution limit */ /* dlfb keeps a list of urbs for efficient bulk transfers */ static void dlfb_urb_completion(struct urb *urb); @@ -918,10 +919,6 @@ static void dlfb_free(struct kref *kref) { struct dlfb_data *dev = container_of(kref, struct dlfb_data, kref); - /* this function will wait for all in-flight urbs to complete */ - if (dev->urbs.count > 0) - dlfb_free_urb_list(dev); - if (dev->backing_buffer) vfree(dev->backing_buffer); @@ -940,35 +937,42 @@ static void dlfb_release_urb_work(struct work_struct *work) up(&unode->dev->urbs.limit_sem); } -static void dlfb_free_framebuffer_work(struct work_struct *work) +static void dlfb_free_framebuffer(struct dlfb_data *dev) { - struct dlfb_data *dev = container_of(work, struct dlfb_data, - free_framebuffer_work.work); struct fb_info *info = dev->info; - int node = info->node; - unregister_framebuffer(info); + if (info) { + int node = info->node; - if (info->cmap.len != 0) - fb_dealloc_cmap(&info->cmap); - if (info->monspecs.modedb) - fb_destroy_modedb(info->monspecs.modedb); - if (info->screen_base) - vfree(info->screen_base); + unregister_framebuffer(info); - fb_destroy_modelist(&info->modelist); + if (info->cmap.len != 0) + fb_dealloc_cmap(&info->cmap); + if (info->monspecs.modedb) + fb_destroy_modedb(info->monspecs.modedb); + if (info->screen_base) + vfree(info->screen_base); - dev->info = 0; + fb_destroy_modelist(&info->modelist); - /* Assume info structure is freed after this point */ - framebuffer_release(info); + dev->info = NULL; - pr_warn("fb_info for /dev/fb%d has been freed\n", node); + /* Assume info structure is freed after this point */ + framebuffer_release(info); + + pr_warn("fb_info for /dev/fb%d has been freed\n", node); + } /* ref taken in probe() as part of registering framebfufer */ kref_put(&dev->kref, dlfb_free); } +static void dlfb_free_framebuffer_work(struct work_struct *work) +{ + struct dlfb_data *dev = container_of(work, struct dlfb_data, + free_framebuffer_work.work); + dlfb_free_framebuffer(dev); +} /* * Assumes caller is holding info->lock mutex (for open and release at least) */ @@ -1012,7 +1016,8 @@ static int dlfb_is_valid_mode(struct fb_videomode *mode, return 0; } - pr_info("%dx%d valid mode\n", mode->xres, mode->yres); + pr_info("%dx%d @ %d Hz valid mode\n", mode->xres, mode->yres, + mode->refresh); return 1; } @@ -1427,19 +1432,22 @@ static ssize_t edid_store( struct device *fbdev = container_of(kobj, struct device, kobj); struct fb_info *fb_info = dev_get_drvdata(fbdev); struct dlfb_data *dev = fb_info->par; + int ret; /* We only support write of entire EDID at once, no offset*/ if ((src_size != EDID_LENGTH) || (src_off != 0)) - return 0; + return -EINVAL; - dlfb_setup_modes(dev, fb_info, src, src_size); + ret = dlfb_setup_modes(dev, fb_info, src, src_size); + if (ret) + return ret; - if (dev->edid && (memcmp(src, dev->edid, src_size) == 0)) { - pr_info("sysfs written EDID is new default\n"); - dlfb_ops_set_par(fb_info); - return src_size; - } else - return 0; + if (!dev->edid || memcmp(src, dev->edid, src_size)) + return -EINVAL; + + pr_info("sysfs written EDID is new default\n"); + dlfb_ops_set_par(fb_info); + return src_size; } static ssize_t metrics_reset_store(struct device *fbdev, @@ -1537,7 +1545,7 @@ static int dlfb_parse_vendor_descriptor(struct dlfb_data *dev, u8 length; u16 key; - key = *((u16 *) desc); + key = le16_to_cpu(*((u16 *) desc)); desc += sizeof(u16); length = *desc; desc++; @@ -1570,14 +1578,15 @@ success: kfree(buf); return true; } + +static void dlfb_init_framebuffer_work(struct work_struct *work); + static int dlfb_usb_probe(struct usb_interface *interface, const struct usb_device_id *id) { struct usb_device *usbdev; struct dlfb_data *dev = 0; - struct fb_info *info = 0; int retval = -ENOMEM; - int i; /* usb initialization */ @@ -1589,9 +1598,7 @@ static int dlfb_usb_probe(struct usb_interface *interface, goto error; } - /* we need to wait for both usb and fbdev to spin down on disconnect */ kref_init(&dev->kref); /* matching kref_put in usb .disconnect fn */ - kref_get(&dev->kref); /* matching kref_put in free_framebuffer_work */ dev->udev = usbdev; dev->gdev = &usbdev->dev; /* our generic struct device * */ @@ -1613,16 +1620,53 @@ static int dlfb_usb_probe(struct usb_interface *interface, goto error; } + if (pixel_limit) { + pr_warn("DL chip limit of %d overriden" + " by module param to %d\n", + dev->sku_pixel_limit, pixel_limit); + dev->sku_pixel_limit = pixel_limit; + } + + if (!dlfb_alloc_urb_list(dev, WRITES_IN_FLIGHT, MAX_TRANSFER)) { retval = -ENOMEM; pr_err("dlfb_alloc_urb_list failed\n"); goto error; } + kref_get(&dev->kref); /* matching kref_put in free_framebuffer_work */ + /* We don't register a new USB class. Our client interface is fbdev */ + /* Workitem keep things fast & simple during USB enumeration */ + INIT_DELAYED_WORK(&dev->init_framebuffer_work, + dlfb_init_framebuffer_work); + schedule_delayed_work(&dev->init_framebuffer_work, 0); + + return 0; + +error: + if (dev) { + + kref_put(&dev->kref, dlfb_free); /* ref for framebuffer */ + kref_put(&dev->kref, dlfb_free); /* last ref from kref_init */ + + /* dev has been deallocated. Do not dereference */ + } + + return retval; +} + +static void dlfb_init_framebuffer_work(struct work_struct *work) +{ + struct dlfb_data *dev = container_of(work, struct dlfb_data, + init_framebuffer_work.work); + struct fb_info *info; + int retval; + int i; + /* allocates framebuffer driver structure, not framebuffer memory */ - info = framebuffer_alloc(0, &interface->dev); + info = framebuffer_alloc(0, dev->gdev); if (!info) { retval = -ENOMEM; pr_err("framebuffer_alloc failed\n"); @@ -1668,15 +1712,13 @@ static int dlfb_usb_probe(struct usb_interface *interface, for (i = 0; i < ARRAY_SIZE(fb_device_attrs); i++) { retval = device_create_file(info->dev, &fb_device_attrs[i]); if (retval) { - pr_err("device_create_file failed %d\n", retval); - goto err_del_attrs; + pr_warn("device_create_file failed %d\n", retval); } } retval = device_create_bin_file(info->dev, &edid_attr); if (retval) { - pr_err("device_create_bin_file failed %d\n", retval); - goto err_del_attrs; + pr_warn("device_create_bin_file failed %d\n", retval); } pr_info("DisplayLink USB device /dev/fb%d attached. %dx%d resolution." @@ -1684,38 +1726,10 @@ static int dlfb_usb_probe(struct usb_interface *interface, info->var.xres, info->var.yres, ((dev->backing_buffer) ? info->fix.smem_len * 2 : info->fix.smem_len) >> 10); - return 0; - -err_del_attrs: - for (i -= 1; i >= 0; i--) - device_remove_file(info->dev, &fb_device_attrs[i]); + return; error: - if (dev) { - - if (info) { - if (info->cmap.len != 0) - fb_dealloc_cmap(&info->cmap); - if (info->monspecs.modedb) - fb_destroy_modedb(info->monspecs.modedb); - if (info->screen_base) - vfree(info->screen_base); - - fb_destroy_modelist(&info->modelist); - - framebuffer_release(info); - } - - if (dev->backing_buffer) - vfree(dev->backing_buffer); - - kref_put(&dev->kref, dlfb_free); /* ref for framebuffer */ - kref_put(&dev->kref, dlfb_free); /* last ref from kref_init */ - - /* dev has been deallocated. Do not dereference */ - } - - return retval; + dlfb_free_framebuffer(dev); } static void dlfb_usb_disconnect(struct usb_interface *interface) @@ -1735,12 +1749,20 @@ static void dlfb_usb_disconnect(struct usb_interface *interface) /* When non-active we'll update virtual framebuffer, but no new urbs */ atomic_set(&dev->usb_active, 0); - /* remove udlfb's sysfs interfaces */ - for (i = 0; i < ARRAY_SIZE(fb_device_attrs); i++) - device_remove_file(info->dev, &fb_device_attrs[i]); - device_remove_bin_file(info->dev, &edid_attr); + /* this function will wait for all in-flight urbs to complete */ + dlfb_free_urb_list(dev); + + if (info) { + /* remove udlfb's sysfs interfaces */ + for (i = 0; i < ARRAY_SIZE(fb_device_attrs); i++) + device_remove_file(info->dev, &fb_device_attrs[i]); + device_remove_bin_file(info->dev, &edid_attr); + unlink_framebuffer(info); + } usb_set_intfdata(interface, NULL); + dev->udev = NULL; + dev->gdev = NULL; /* if clients still have us open, will be freed on last close */ if (dev->fb_count == 0) @@ -1806,12 +1828,12 @@ static void dlfb_free_urb_list(struct dlfb_data *dev) int ret; unsigned long flags; - pr_notice("Waiting for completes and freeing all render urbs\n"); + pr_notice("Freeing all render urbs\n"); /* keep waiting and freeing, until we've got 'em all */ while (count--) { - /* Getting interrupted means a leak, but ok at shutdown*/ + /* Getting interrupted means a leak, but ok at disconnect */ ret = down_interruptible(&dev->urbs.limit_sem); if (ret) break; @@ -1833,6 +1855,7 @@ static void dlfb_free_urb_list(struct dlfb_data *dev) kfree(node); } + dev->urbs.count = 0; } static int dlfb_alloc_urb_list(struct dlfb_data *dev, int count, size_t size) @@ -1948,6 +1971,9 @@ MODULE_PARM_DESC(fb_defio, "Page fault detection of mmap writes"); module_param(shadow, bool, S_IWUSR | S_IRUSR | S_IWGRP | S_IRGRP); MODULE_PARM_DESC(shadow, "Shadow vid mem. Disable to save mem but lose perf"); +module_param(pixel_limit, int, S_IWUSR | S_IRUSR | S_IWGRP | S_IRGRP); +MODULE_PARM_DESC(pixel_limit, "Force limit on max mode (in x*y pixels)"); + MODULE_AUTHOR("Roberto De Ioris <roberto@unbit.it>, " "Jaya Kumar <jayakumar.lkml@gmail.com>, " "Bernie Thompson <bernie@plugable.com>"); diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c index e7f69ef..260cca7 100644 --- a/drivers/video/uvesafb.c +++ b/drivers/video/uvesafb.c @@ -121,7 +121,7 @@ static int uvesafb_helper_start(void) NULL, }; - return call_usermodehelper(v86d_path, argv, envp, 1); + return call_usermodehelper(v86d_path, argv, envp, UMH_WAIT_PROC); } /* @@ -362,7 +362,7 @@ static u8 *uvesafb_vbe_state_save(struct uvesafb_par *par) state = kmalloc(par->vbe_state_size, GFP_KERNEL); if (!state) - return NULL; + return ERR_PTR(-ENOMEM); task = uvesafb_prep(); if (!task) { @@ -1172,9 +1172,17 @@ static int uvesafb_open(struct fb_info *info, int user) { struct uvesafb_par *par = info->par; int cnt = atomic_read(&par->ref_count); + u8 *buf = NULL; - if (!cnt && par->vbe_state_size) - par->vbe_state_orig = uvesafb_vbe_state_save(par); + if (!cnt && par->vbe_state_size) { + buf = uvesafb_vbe_state_save(par); + if (IS_ERR(buf)) { + printk(KERN_WARNING "uvesafb: save hardware state" + "failed, error code is %ld!\n", PTR_ERR(buf)); + } else { + par->vbe_state_orig = buf; + } + } atomic_inc(&par->ref_count); return 0; diff --git a/drivers/video/via/Makefile b/drivers/video/via/Makefile index 5108136..159f26e 100644 --- a/drivers/video/via/Makefile +++ b/drivers/video/via/Makefile @@ -6,4 +6,7 @@ obj-$(CONFIG_FB_VIA) += viafb.o viafb-y :=viafbdev.o hw.o via_i2c.o dvi.o lcd.o ioctl.o accel.o \ via_utility.o vt1636.o global.o tblDPASetting.o viamode.o \ - via-core.o via-gpio.o via_modesetting.o via_clock.o + via-core.o via-gpio.o via_modesetting.o via_clock.o \ + via_aux.o via_aux_edid.o via_aux_vt1636.o via_aux_vt1632.o \ + via_aux_vt1631.o via_aux_vt1625.o via_aux_vt1622.o via_aux_vt1621.o \ + via_aux_sii164.o via_aux_ch7301.o diff --git a/drivers/video/via/chip.h b/drivers/video/via/chip.h index 3ebf20c..d32a507 100644 --- a/drivers/video/via/chip.h +++ b/drivers/video/via/chip.h @@ -146,9 +146,6 @@ struct tmds_setting_information { struct lvds_setting_information { int iga_path; - int h_active; - int v_active; - int bpp; int lcd_panel_hres; int lcd_panel_vres; int display_method; diff --git a/drivers/video/via/dvi.c b/drivers/video/via/dvi.c index 9138e51..6be72f0 100644 --- a/drivers/video/via/dvi.c +++ b/drivers/video/via/dvi.c @@ -172,10 +172,11 @@ static int tmds_register_read_bytes(int index, u8 *buff, int buff_len) } /* DVI Set Mode */ -void viafb_dvi_set_mode(const struct fb_var_screeninfo *var, int iga) +void viafb_dvi_set_mode(const struct fb_var_screeninfo *var, + u16 cxres, u16 cyres, int iga) { struct fb_var_screeninfo dvi_var = *var; - struct crt_mode_table *rb_mode; + const struct fb_videomode *rb_mode; int maxPixelClock; maxPixelClock = viaparinfo->shared->tmds_setting_info.max_pixel_clock; @@ -185,7 +186,7 @@ void viafb_dvi_set_mode(const struct fb_var_screeninfo *var, int iga) viafb_fill_var_timing_info(&dvi_var, rb_mode); } - viafb_fill_crtc_timing(&dvi_var, iga); + viafb_fill_crtc_timing(&dvi_var, cxres, cyres, iga); } /* Sense DVI Connector */ diff --git a/drivers/video/via/dvi.h b/drivers/video/via/dvi.h index e2116aa..db75785 100644 --- a/drivers/video/via/dvi.h +++ b/drivers/video/via/dvi.h @@ -59,6 +59,7 @@ void viafb_dvi_enable(void); bool __devinit viafb_tmds_trasmitter_identify(void); void __devinit viafb_init_dvi_size(struct tmds_chip_information *tmds_chip, struct tmds_setting_information *tmds_setting); -void viafb_dvi_set_mode(const struct fb_var_screeninfo *var, int iga); +void viafb_dvi_set_mode(const struct fb_var_screeninfo *var, + u16 cxres, u16 cyres, int iga); #endif /* __DVI_H__ */ diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c index d5aaca9..898590d 100644 --- a/drivers/video/via/hw.c +++ b/drivers/video/via/hw.c @@ -1467,28 +1467,32 @@ void viafb_set_vclock(u32 clk, int set_iga) via_write_misc_reg_mask(0x0C, 0x0C); /* select external clock */ } -static struct display_timing var_to_timing(const struct fb_var_screeninfo *var) +struct display_timing var_to_timing(const struct fb_var_screeninfo *var, + u16 cxres, u16 cyres) { struct display_timing timing; + u16 dx = (var->xres - cxres) / 2, dy = (var->yres - cyres) / 2; - timing.hor_addr = var->xres; - timing.hor_sync_start = timing.hor_addr + var->right_margin; + timing.hor_addr = cxres; + timing.hor_sync_start = timing.hor_addr + var->right_margin + dx; timing.hor_sync_end = timing.hor_sync_start + var->hsync_len; - timing.hor_total = timing.hor_sync_end + var->left_margin; - timing.hor_blank_start = timing.hor_addr; - timing.hor_blank_end = timing.hor_total; - timing.ver_addr = var->yres; - timing.ver_sync_start = timing.ver_addr + var->lower_margin; + timing.hor_total = timing.hor_sync_end + var->left_margin + dx; + timing.hor_blank_start = timing.hor_addr + dx; + timing.hor_blank_end = timing.hor_total - dx; + timing.ver_addr = cyres; + timing.ver_sync_start = timing.ver_addr + var->lower_margin + dy; timing.ver_sync_end = timing.ver_sync_start + var->vsync_len; - timing.ver_total = timing.ver_sync_end + var->upper_margin; - timing.ver_blank_start = timing.ver_addr; - timing.ver_blank_end = timing.ver_total; + timing.ver_total = timing.ver_sync_end + var->upper_margin + dy; + timing.ver_blank_start = timing.ver_addr + dy; + timing.ver_blank_end = timing.ver_total - dy; return timing; } -void viafb_fill_crtc_timing(const struct fb_var_screeninfo *var, int iga) +void viafb_fill_crtc_timing(const struct fb_var_screeninfo *var, + u16 cxres, u16 cyres, int iga) { - struct display_timing crt_reg = var_to_timing(var); + struct display_timing crt_reg = var_to_timing(var, + cxres ? cxres : var->xres, cyres ? cyres : var->yres); if (iga == IGA1) via_set_primary_timing(&crt_reg); @@ -1526,13 +1530,6 @@ void viafb_update_device_setting(int hres, int vres, int bpp, int flag) if (flag == 0) { viaparinfo->tmds_setting_info->h_active = hres; viaparinfo->tmds_setting_info->v_active = vres; - - viaparinfo->lvds_setting_info->h_active = hres; - viaparinfo->lvds_setting_info->v_active = vres; - viaparinfo->lvds_setting_info->bpp = bpp; - viaparinfo->lvds_setting_info2->h_active = hres; - viaparinfo->lvds_setting_info2->v_active = vres; - viaparinfo->lvds_setting_info2->bpp = bpp; } else { if (viaparinfo->tmds_setting_info->iga_path == IGA2) { @@ -1540,16 +1537,6 @@ void viafb_update_device_setting(int hres, int vres, int bpp, int flag) viaparinfo->tmds_setting_info->v_active = vres; } - if (viaparinfo->lvds_setting_info->iga_path == IGA2) { - viaparinfo->lvds_setting_info->h_active = hres; - viaparinfo->lvds_setting_info->v_active = vres; - viaparinfo->lvds_setting_info->bpp = bpp; - } - if (IGA2 == viaparinfo->lvds_setting_info2->iga_path) { - viaparinfo->lvds_setting_info2->h_active = hres; - viaparinfo->lvds_setting_info2->v_active = vres; - viaparinfo->lvds_setting_info2->bpp = bpp; - } } } @@ -1758,13 +1745,13 @@ static void set_display_channel(void) } } -static u8 get_sync(struct fb_info *info) +static u8 get_sync(struct fb_var_screeninfo *var) { u8 polarity = 0; - if (!(info->var.sync & FB_SYNC_HOR_HIGH_ACT)) + if (!(var->sync & FB_SYNC_HOR_HIGH_ACT)) polarity |= VIA_HSYNC_NEGATIVE; - if (!(info->var.sync & FB_SYNC_VERT_HIGH_ACT)) + if (!(var->sync & FB_SYNC_VERT_HIGH_ACT)) polarity |= VIA_VSYNC_NEGATIVE; return polarity; } @@ -1810,7 +1797,11 @@ static void hw_init(void) break; } + /* magic required on VX900 for correct modesetting on IGA1 */ + via_write_reg_mask(VIACR, 0x45, 0x00, 0x01); + /* probably this should go to the scaling code one day */ + via_write_reg_mask(VIACR, 0xFD, 0, 0x80); /* VX900 hw scale on IGA2 */ viafb_write_regx(scaling_parameters, ARRAY_SIZE(scaling_parameters)); /* Fill VPIT Parameters */ @@ -1840,9 +1831,9 @@ static void hw_init(void) load_fix_bit_crtc_reg(); } -int viafb_setmode(int video_bpp, int video_bpp1) +int viafb_setmode(void) { - int j; + int j, cxres = 0, cyres = 0; int port; u32 devices = viaparinfo->shared->iga1_devices | viaparinfo->shared->iga2_devices; @@ -1891,6 +1882,8 @@ int viafb_setmode(int video_bpp, int video_bpp1) } else if (viafb_SAMM_ON) { viafb_fill_var_timing_info(&var2, viafb_get_best_mode( viafb_second_xres, viafb_second_yres, viafb_refresh1)); + cxres = viafbinfo->var.xres; + cyres = viafbinfo->var.yres; var2.bits_per_pixel = viafbinfo->var.bits_per_pixel; } @@ -1898,9 +1891,9 @@ int viafb_setmode(int video_bpp, int video_bpp1) if (viafb_CRT_ON) { if (viaparinfo->shared->iga2_devices & VIA_CRT && viafb_SAMM_ON) - viafb_fill_crtc_timing(&var2, IGA2); + viafb_fill_crtc_timing(&var2, cxres, cyres, IGA2); else - viafb_fill_crtc_timing(&viafbinfo->var, + viafb_fill_crtc_timing(&viafbinfo->var, 0, 0, (viaparinfo->shared->iga1_devices & VIA_CRT) ? IGA1 : IGA2); @@ -1918,17 +1911,17 @@ int viafb_setmode(int video_bpp, int video_bpp1) if (viafb_DVI_ON) { if (viaparinfo->shared->tmds_setting_info.iga_path == IGA2 && viafb_SAMM_ON) - viafb_dvi_set_mode(&var2, IGA2); + viafb_dvi_set_mode(&var2, cxres, cyres, IGA2); else - viafb_dvi_set_mode(&viafbinfo->var, + viafb_dvi_set_mode(&viafbinfo->var, 0, 0, viaparinfo->tmds_setting_info->iga_path); } if (viafb_LCD_ON) { if (viafb_SAMM_ON && (viaparinfo->lvds_setting_info->iga_path == IGA2)) { - viaparinfo->lvds_setting_info->bpp = video_bpp1; - viafb_lcd_set_mode(viaparinfo->lvds_setting_info, + viafb_lcd_set_mode(&var2, cxres, cyres, + viaparinfo->lvds_setting_info, &viaparinfo->chip_info->lvds_chip_info); } else { /* IGA1 doesn't have LCD scaling, so set it center. */ @@ -1936,16 +1929,16 @@ int viafb_setmode(int video_bpp, int video_bpp1) viaparinfo->lvds_setting_info->display_method = LCD_CENTERING; } - viaparinfo->lvds_setting_info->bpp = video_bpp; - viafb_lcd_set_mode(viaparinfo->lvds_setting_info, + viafb_lcd_set_mode(&viafbinfo->var, 0, 0, + viaparinfo->lvds_setting_info, &viaparinfo->chip_info->lvds_chip_info); } } if (viafb_LCD2_ON) { if (viafb_SAMM_ON && (viaparinfo->lvds_setting_info2->iga_path == IGA2)) { - viaparinfo->lvds_setting_info2->bpp = video_bpp1; - viafb_lcd_set_mode(viaparinfo->lvds_setting_info2, + viafb_lcd_set_mode(&var2, cxres, cyres, + viaparinfo->lvds_setting_info2, &viaparinfo->chip_info->lvds_chip_info2); } else { /* IGA1 doesn't have LCD scaling, so set it center. */ @@ -1953,8 +1946,8 @@ int viafb_setmode(int video_bpp, int video_bpp1) viaparinfo->lvds_setting_info2->display_method = LCD_CENTERING; } - viaparinfo->lvds_setting_info2->bpp = video_bpp; - viafb_lcd_set_mode(viaparinfo->lvds_setting_info2, + viafb_lcd_set_mode(&viafbinfo->var, 0, 0, + viaparinfo->lvds_setting_info2, &viaparinfo->chip_info->lvds_chip_info2); } } @@ -1967,7 +1960,7 @@ int viafb_setmode(int video_bpp, int video_bpp1) if (!viafb_hotplug) { viafb_hotplug_Xres = viafbinfo->var.xres; viafb_hotplug_Yres = viafbinfo->var.yres; - viafb_hotplug_bpp = video_bpp; + viafb_hotplug_bpp = viafbinfo->var.bits_per_pixel; viafb_hotplug_refresh = viafb_refresh; if (viafb_DVI_ON) @@ -1976,13 +1969,13 @@ int viafb_setmode(int video_bpp, int video_bpp1) viafb_DeviceStatus = CRT_Device; } device_on(); - if (!viafb_dual_fb) - via_set_sync_polarity(devices, get_sync(viafbinfo)); + if (!viafb_SAMM_ON) + via_set_sync_polarity(devices, get_sync(&viafbinfo->var)); else { via_set_sync_polarity(viaparinfo->shared->iga1_devices, - get_sync(viafbinfo)); + get_sync(&viafbinfo->var)); via_set_sync_polarity(viaparinfo->shared->iga2_devices, - get_sync(viafbinfo1)); + get_sync(&var2)); } clock.set_engine_pll_state(VIA_STATE_ON); @@ -2019,20 +2012,20 @@ int viafb_setmode(int video_bpp, int video_bpp1) int viafb_get_refresh(int hres, int vres, u32 long_refresh) { - struct crt_mode_table *best; + const struct fb_videomode *best; best = viafb_get_best_mode(hres, vres, long_refresh); if (!best) return 60; - if (abs(best->refresh_rate - long_refresh) > 3) { + if (abs(best->refresh - long_refresh) > 3) { if (hres == 1200 && vres == 900) return 49; /* OLPC DCON only supports 50 Hz */ else return 60; } - return best->refresh_rate; + return best->refresh; } static void device_off(void) @@ -2125,26 +2118,17 @@ void viafb_set_dpa_gfx(int output_interface, struct GFX_DPA_SETTING\ } } -/*According var's xres, yres fill var's other timing information*/ void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, - struct crt_mode_table *mode) + const struct fb_videomode *mode) { - struct display_timing crt_reg; - - crt_reg = mode->crtc; - var->pixclock = 1000000000 / (crt_reg.hor_total * crt_reg.ver_total) - * 1000 / mode->refresh_rate; - var->left_margin = - crt_reg.hor_total - (crt_reg.hor_sync_start + crt_reg.hor_sync_end); - var->right_margin = crt_reg.hor_sync_start - crt_reg.hor_addr; - var->hsync_len = crt_reg.hor_sync_end; - var->upper_margin = - crt_reg.ver_total - (crt_reg.ver_sync_start + crt_reg.ver_sync_end); - var->lower_margin = crt_reg.ver_sync_start - crt_reg.ver_addr; - var->vsync_len = crt_reg.ver_sync_end; - var->sync = 0; - if (mode->h_sync_polarity == POSITIVE) - var->sync |= FB_SYNC_HOR_HIGH_ACT; - if (mode->v_sync_polarity == POSITIVE) - var->sync |= FB_SYNC_VERT_HIGH_ACT; + var->pixclock = mode->pixclock; + var->xres = mode->xres; + var->yres = mode->yres; + var->left_margin = mode->left_margin; + var->right_margin = mode->right_margin; + var->hsync_len = mode->hsync_len; + var->upper_margin = mode->upper_margin; + var->lower_margin = mode->lower_margin; + var->vsync_len = mode->vsync_len; + var->sync = mode->sync; } diff --git a/drivers/video/via/hw.h b/drivers/video/via/hw.h index 4db5b6e..6be243c 100644 --- a/drivers/video/via/hw.h +++ b/drivers/video/via/hw.h @@ -637,7 +637,10 @@ extern int viafb_LCD_ON; extern int viafb_DVI_ON; extern int viafb_hotplug; -void viafb_fill_crtc_timing(const struct fb_var_screeninfo *var, int iga); +struct display_timing var_to_timing(const struct fb_var_screeninfo *var, + u16 cxres, u16 cyres); +void viafb_fill_crtc_timing(const struct fb_var_screeninfo *var, + u16 cxres, u16 cyres, int iga); void viafb_set_vclock(u32 CLK, int set_iga); void viafb_load_reg(int timing_value, int viafb_load_reg_num, struct io_register *reg, @@ -657,9 +660,9 @@ void viafb_load_FIFO_reg(int set_iga, int hor_active, int ver_active); void viafb_set_dpa_gfx(int output_interface, struct GFX_DPA_SETTING\ *p_gfx_dpa_setting); -int viafb_setmode(int video_bpp, int video_bpp1); +int viafb_setmode(void); void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, - struct crt_mode_table *mode); + const struct fb_videomode *mode); void __devinit viafb_init_chip_info(int chip_type); void __devinit viafb_init_dac(int set_iga); int viafb_get_refresh(int hres, int vres, u32 float_refresh); diff --git a/drivers/video/via/lcd.c b/drivers/video/via/lcd.c index 5f3b4e3..1650379 100644 --- a/drivers/video/via/lcd.c +++ b/drivers/video/via/lcd.c @@ -53,10 +53,6 @@ static void __devinit fp_id_to_vindex(int panel_id); static int lvds_register_read(int index); static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres, int panel_vres); -static void via_pitch_alignment_patch_lcd( - struct lvds_setting_information *plvds_setting_info, - struct lvds_chip_information - *plvds_chip_info); static void lcd_patch_skew_dvp0(struct lvds_setting_information *plvds_setting_info, struct lvds_chip_information *plvds_chip_info); @@ -79,9 +75,6 @@ static void check_diport_of_integrated_lvds( struct lvds_chip_information *plvds_chip_info, struct lvds_setting_information *plvds_setting_info); -static struct display_timing lcd_centering_timging(struct display_timing - mode_crt_reg, - struct display_timing panel_crt_reg); static inline bool check_lvds_chip(int device_id_subaddr, int device_id) { @@ -454,20 +447,17 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres, } } -static void via_pitch_alignment_patch_lcd( - struct lvds_setting_information *plvds_setting_info, - struct lvds_chip_information - *plvds_chip_info) +static void via_pitch_alignment_patch_lcd(int iga_path, int hres, int bpp) { unsigned char cr13, cr35, cr65, cr66, cr67; unsigned long dwScreenPitch = 0; unsigned long dwPitch; - dwPitch = plvds_setting_info->h_active * (plvds_setting_info->bpp >> 3); + dwPitch = hres * (bpp >> 3); if (dwPitch & 0x1F) { dwScreenPitch = ((dwPitch + 31) & ~31) >> 3; - if (plvds_setting_info->iga_path == IGA2) { - if (plvds_setting_info->bpp > 8) { + if (iga_path == IGA2) { + if (bpp > 8) { cr66 = (unsigned char)(dwScreenPitch & 0xFF); viafb_write_reg(CR66, VIACR, cr66); cr67 = viafb_read_reg(VIACR, CR67) & 0xFC; @@ -485,7 +475,7 @@ static void via_pitch_alignment_patch_lcd( cr65 += 2; viafb_write_reg(CR65, VIACR, cr65); } else { - if (plvds_setting_info->bpp > 8) { + if (bpp > 8) { cr13 = (unsigned char)(dwScreenPitch & 0xFF); viafb_write_reg(CR13, VIACR, cr13); cr35 = viafb_read_reg(VIACR, CR35) & 0x1F; @@ -548,49 +538,45 @@ static void lcd_patch_skew(struct lvds_setting_information } /* LCD Set Mode */ -void viafb_lcd_set_mode(struct lvds_setting_information *plvds_setting_info, +void viafb_lcd_set_mode(const struct fb_var_screeninfo *var, u16 cxres, + u16 cyres, struct lvds_setting_information *plvds_setting_info, struct lvds_chip_information *plvds_chip_info) { int set_iga = plvds_setting_info->iga_path; - int mode_bpp = plvds_setting_info->bpp; - int set_hres = plvds_setting_info->h_active; - int set_vres = plvds_setting_info->v_active; + int mode_bpp = var->bits_per_pixel; + int set_hres = cxres ? cxres : var->xres; + int set_vres = cyres ? cyres : var->yres; int panel_hres = plvds_setting_info->lcd_panel_hres; int panel_vres = plvds_setting_info->lcd_panel_vres; u32 clock; - struct display_timing mode_crt_reg, panel_crt_reg, timing; - struct crt_mode_table *mode_crt_table, *panel_crt_table; + struct display_timing timing; + struct fb_var_screeninfo panel_var; + const struct fb_videomode *mode_crt_table, *panel_crt_table; DEBUG_MSG(KERN_INFO "viafb_lcd_set_mode!!\n"); /* Get mode table */ mode_crt_table = viafb_get_best_mode(set_hres, set_vres, 60); - mode_crt_reg = mode_crt_table->crtc; /* Get panel table Pointer */ panel_crt_table = viafb_get_best_mode(panel_hres, panel_vres, 60); - panel_crt_reg = panel_crt_table->crtc; + viafb_fill_var_timing_info(&panel_var, panel_crt_table); DEBUG_MSG(KERN_INFO "bellow viafb_lcd_set_mode!!\n"); if (VT1636_LVDS == plvds_chip_info->lvds_chip_name) viafb_init_lvds_vt1636(plvds_setting_info, plvds_chip_info); - clock = panel_crt_reg.hor_total * panel_crt_reg.ver_total - * panel_crt_table->refresh_rate; + clock = PICOS2KHZ(panel_crt_table->pixclock) * 1000; plvds_setting_info->vclk = clock; if (set_iga == IGA2 && (set_hres < panel_hres || set_vres < panel_vres) && plvds_setting_info->display_method == LCD_EXPANDSION) { - timing = panel_crt_reg; + timing = var_to_timing(&panel_var, panel_hres, panel_vres); load_lcd_scaling(set_hres, set_vres, panel_hres, panel_vres); } else { - timing = lcd_centering_timging(mode_crt_reg, panel_crt_reg); + timing = var_to_timing(&panel_var, set_hres, set_vres); if (set_iga == IGA2) /* disable scaling */ via_write_reg_mask(VIACR, 0x79, 0x00, BIT0 + BIT1 + BIT2); } - timing.hor_blank_end += timing.hor_blank_start; - timing.hor_sync_end += timing.hor_sync_start; - timing.ver_blank_end += timing.ver_blank_start; - timing.ver_sync_end += timing.ver_sync_start; if (set_iga == IGA1) via_set_primary_timing(&timing); else if (set_iga == IGA2) @@ -613,7 +599,8 @@ void viafb_lcd_set_mode(struct lvds_setting_information *plvds_setting_info, viafb_write_reg_mask(CR6A, VIACR, 0x01, BIT0); /* Patch for non 32bit alignment mode */ - via_pitch_alignment_patch_lcd(plvds_setting_info, plvds_chip_info); + via_pitch_alignment_patch_lcd(plvds_setting_info->iga_path, set_hres, + var->bits_per_pixel); } static void integrated_lvds_disable(struct lvds_setting_information @@ -973,37 +960,6 @@ void __devinit viafb_init_lvds_output_interface(struct lvds_chip_information } } -static struct display_timing lcd_centering_timging(struct display_timing - mode_crt_reg, - struct display_timing panel_crt_reg) -{ - struct display_timing crt_reg; - - crt_reg.hor_total = panel_crt_reg.hor_total; - crt_reg.hor_addr = mode_crt_reg.hor_addr; - crt_reg.hor_blank_start = - (panel_crt_reg.hor_addr - mode_crt_reg.hor_addr) / 2 + - crt_reg.hor_addr; - crt_reg.hor_blank_end = panel_crt_reg.hor_blank_end; - crt_reg.hor_sync_start = - (panel_crt_reg.hor_sync_start - - panel_crt_reg.hor_blank_start) + crt_reg.hor_blank_start; - crt_reg.hor_sync_end = panel_crt_reg.hor_sync_end; - - crt_reg.ver_total = panel_crt_reg.ver_total; - crt_reg.ver_addr = mode_crt_reg.ver_addr; - crt_reg.ver_blank_start = - (panel_crt_reg.ver_addr - mode_crt_reg.ver_addr) / 2 + - crt_reg.ver_addr; - crt_reg.ver_blank_end = panel_crt_reg.ver_blank_end; - crt_reg.ver_sync_start = - (panel_crt_reg.ver_sync_start - - panel_crt_reg.ver_blank_start) + crt_reg.ver_blank_start; - crt_reg.ver_sync_end = panel_crt_reg.ver_sync_end; - - return crt_reg; -} - bool viafb_lcd_get_mobile_state(bool *mobile) { unsigned char __iomem *romptr, *tableptr, *biosptr; diff --git a/drivers/video/via/lcd.h b/drivers/video/via/lcd.h index 77ca7b8..8f3e4e0 100644 --- a/drivers/video/via/lcd.h +++ b/drivers/video/via/lcd.h @@ -76,7 +76,8 @@ void __devinit viafb_init_lvds_output_interface(struct lvds_chip_information *plvds_chip_info, struct lvds_setting_information *plvds_setting_info); -void viafb_lcd_set_mode(struct lvds_setting_information *plvds_setting_info, +void viafb_lcd_set_mode(const struct fb_var_screeninfo *var, u16 cxres, + u16 cyres, struct lvds_setting_information *plvds_setting_info, struct lvds_chip_information *plvds_chip_info); bool __devinit viafb_lvds_trasmitter_identify(void); void viafb_init_lvds_output_interface(struct lvds_chip_information diff --git a/drivers/video/via/share.h b/drivers/video/via/share.h index c01c1c1..3158dfc 100644 --- a/drivers/video/via/share.h +++ b/drivers/video/via/share.h @@ -283,337 +283,6 @@ #define HW_LAYOUT_LCD1_LCD2 0x04 #define HW_LAYOUT_LCD_EXTERNAL_LCD2 0x10 -/* Definition Refresh Rate */ -#define REFRESH_49 49 -#define REFRESH_50 50 -#define REFRESH_60 60 -#define REFRESH_75 75 -#define REFRESH_85 85 -#define REFRESH_100 100 -#define REFRESH_120 120 - -/* Definition Sync Polarity*/ -#define NEGATIVE 1 -#define POSITIVE 0 - -/*480x640@60 Sync Polarity (GTF) -*/ -#define M480X640_R60_HSP NEGATIVE -#define M480X640_R60_VSP POSITIVE - -/*640x480@60 Sync Polarity (VESA Mode) -*/ -#define M640X480_R60_HSP NEGATIVE -#define M640X480_R60_VSP NEGATIVE - -/*640x480@75 Sync Polarity (VESA Mode) -*/ -#define M640X480_R75_HSP NEGATIVE -#define M640X480_R75_VSP NEGATIVE - -/*640x480@85 Sync Polarity (VESA Mode) -*/ -#define M640X480_R85_HSP NEGATIVE -#define M640X480_R85_VSP NEGATIVE - -/*640x480@100 Sync Polarity (GTF Mode) -*/ -#define M640X480_R100_HSP NEGATIVE -#define M640X480_R100_VSP POSITIVE - -/*640x480@120 Sync Polarity (GTF Mode) -*/ -#define M640X480_R120_HSP NEGATIVE -#define M640X480_R120_VSP POSITIVE - -/*720x480@60 Sync Polarity (GTF Mode) -*/ -#define M720X480_R60_HSP NEGATIVE -#define M720X480_R60_VSP POSITIVE - -/*720x576@60 Sync Polarity (GTF Mode) -*/ -#define M720X576_R60_HSP NEGATIVE -#define M720X576_R60_VSP POSITIVE - -/*800x600@60 Sync Polarity (VESA Mode) -*/ -#define M800X600_R60_HSP POSITIVE -#define M800X600_R60_VSP POSITIVE - -/*800x600@75 Sync Polarity (VESA Mode) -*/ -#define M800X600_R75_HSP POSITIVE -#define M800X600_R75_VSP POSITIVE - -/*800x600@85 Sync Polarity (VESA Mode) -*/ -#define M800X600_R85_HSP POSITIVE -#define M800X600_R85_VSP POSITIVE - -/*800x600@100 Sync Polarity (GTF Mode) -*/ -#define M800X600_R100_HSP NEGATIVE -#define M800X600_R100_VSP POSITIVE - -/*800x600@120 Sync Polarity (GTF Mode) -*/ -#define M800X600_R120_HSP NEGATIVE -#define M800X600_R120_VSP POSITIVE - -/*800x480@60 Sync Polarity (CVT Mode) -*/ -#define M800X480_R60_HSP NEGATIVE -#define M800X480_R60_VSP POSITIVE - -/*848x480@60 Sync Polarity (CVT Mode) -*/ -#define M848X480_R60_HSP NEGATIVE -#define M848X480_R60_VSP POSITIVE - -/*852x480@60 Sync Polarity (GTF Mode) -*/ -#define M852X480_R60_HSP NEGATIVE -#define M852X480_R60_VSP POSITIVE - -/*1024x512@60 Sync Polarity (GTF Mode) -*/ -#define M1024X512_R60_HSP NEGATIVE -#define M1024X512_R60_VSP POSITIVE - -/*1024x600@60 Sync Polarity (GTF Mode) -*/ -#define M1024X600_R60_HSP NEGATIVE -#define M1024X600_R60_VSP POSITIVE - -/*1024x768@60 Sync Polarity (VESA Mode) -*/ -#define M1024X768_R60_HSP NEGATIVE -#define M1024X768_R60_VSP NEGATIVE - -/*1024x768@75 Sync Polarity (VESA Mode) -*/ -#define M1024X768_R75_HSP POSITIVE -#define M1024X768_R75_VSP POSITIVE - -/*1024x768@85 Sync Polarity (VESA Mode) -*/ -#define M1024X768_R85_HSP POSITIVE -#define M1024X768_R85_VSP POSITIVE - -/*1024x768@100 Sync Polarity (GTF Mode) -*/ -#define M1024X768_R100_HSP NEGATIVE -#define M1024X768_R100_VSP POSITIVE - -/*1152x864@75 Sync Polarity (VESA Mode) -*/ -#define M1152X864_R75_HSP POSITIVE -#define M1152X864_R75_VSP POSITIVE - -/*1280x720@60 Sync Polarity (GTF Mode) -*/ -#define M1280X720_R60_HSP NEGATIVE -#define M1280X720_R60_VSP POSITIVE - -/* 1280x768@50 Sync Polarity (GTF Mode) */ -#define M1280X768_R50_HSP NEGATIVE -#define M1280X768_R50_VSP POSITIVE - -/*1280x768@60 Sync Polarity (GTF Mode) -*/ -#define M1280X768_R60_HSP NEGATIVE -#define M1280X768_R60_VSP POSITIVE - -/*1280x800@60 Sync Polarity (CVT Mode) -*/ -#define M1280X800_R60_HSP NEGATIVE -#define M1280X800_R60_VSP POSITIVE - -/*1280x960@60 Sync Polarity (VESA Mode) -*/ -#define M1280X960_R60_HSP POSITIVE -#define M1280X960_R60_VSP POSITIVE - -/*1280x1024@60 Sync Polarity (VESA Mode) -*/ -#define M1280X1024_R60_HSP POSITIVE -#define M1280X1024_R60_VSP POSITIVE - -/* 1360x768@60 Sync Polarity (CVT Mode) */ -#define M1360X768_R60_HSP POSITIVE -#define M1360X768_R60_VSP POSITIVE - -/* 1360x768@60 Sync Polarity (CVT Reduce Blanking Mode) */ -#define M1360X768_RB_R60_HSP POSITIVE -#define M1360X768_RB_R60_VSP NEGATIVE - -/* 1368x768@50 Sync Polarity (GTF Mode) */ -#define M1368X768_R50_HSP NEGATIVE -#define M1368X768_R50_VSP POSITIVE - -/* 1368x768@60 Sync Polarity (VESA Mode) */ -#define M1368X768_R60_HSP NEGATIVE -#define M1368X768_R60_VSP POSITIVE - -/*1280x1024@75 Sync Polarity (VESA Mode) -*/ -#define M1280X1024_R75_HSP POSITIVE -#define M1280X1024_R75_VSP POSITIVE - -/*1280x1024@85 Sync Polarity (VESA Mode) -*/ -#define M1280X1024_R85_HSP POSITIVE -#define M1280X1024_R85_VSP POSITIVE - -/*1440x1050@60 Sync Polarity (GTF Mode) -*/ -#define M1440X1050_R60_HSP NEGATIVE -#define M1440X1050_R60_VSP POSITIVE - -/*1600x1200@60 Sync Polarity (VESA Mode) -*/ -#define M1600X1200_R60_HSP POSITIVE -#define M1600X1200_R60_VSP POSITIVE - -/*1600x1200@75 Sync Polarity (VESA Mode) -*/ -#define M1600X1200_R75_HSP POSITIVE -#define M1600X1200_R75_VSP POSITIVE - -/* 1680x1050@60 Sync Polarity (CVT Mode) */ -#define M1680x1050_R60_HSP NEGATIVE -#define M1680x1050_R60_VSP NEGATIVE - -/* 1680x1050@60 Sync Polarity (CVT Reduce Blanking Mode) */ -#define M1680x1050_RB_R60_HSP POSITIVE -#define M1680x1050_RB_R60_VSP NEGATIVE - -/* 1680x1050@75 Sync Polarity (CVT Mode) */ -#define M1680x1050_R75_HSP NEGATIVE -#define M1680x1050_R75_VSP POSITIVE - -/*1920x1080@60 Sync Polarity (CVT Mode) -*/ -#define M1920X1080_R60_HSP NEGATIVE -#define M1920X1080_R60_VSP POSITIVE - -/* 1920x1080@60 Sync Polarity (CVT Reduce Blanking Mode) */ -#define M1920X1080_RB_R60_HSP POSITIVE -#define M1920X1080_RB_R60_VSP NEGATIVE - -/*1920x1440@60 Sync Polarity (VESA Mode) -*/ -#define M1920X1440_R60_HSP NEGATIVE -#define M1920X1440_R60_VSP POSITIVE - -/*1920x1440@75 Sync Polarity (VESA Mode) -*/ -#define M1920X1440_R75_HSP NEGATIVE -#define M1920X1440_R75_VSP POSITIVE - -#if 0 -/* 1400x1050@60 Sync Polarity (VESA Mode) */ -#define M1400X1050_R60_HSP NEGATIVE -#define M1400X1050_R60_VSP NEGATIVE -#endif - -/* 1400x1050@60 Sync Polarity (CVT Mode) */ -#define M1400X1050_R60_HSP NEGATIVE -#define M1400X1050_R60_VSP POSITIVE - -/* 1400x1050@60 Sync Polarity (CVT Reduce Blanking Mode) */ -#define M1400X1050_RB_R60_HSP POSITIVE -#define M1400X1050_RB_R60_VSP NEGATIVE - -/* 1400x1050@75 Sync Polarity (CVT Mode) */ -#define M1400X1050_R75_HSP NEGATIVE -#define M1400X1050_R75_VSP POSITIVE - -/* 960x600@60 Sync Polarity (CVT Mode) */ -#define M960X600_R60_HSP NEGATIVE -#define M960X600_R60_VSP POSITIVE - -/* 1000x600@60 Sync Polarity (GTF Mode) */ -#define M1000X600_R60_HSP NEGATIVE -#define M1000X600_R60_VSP POSITIVE - -/* 1024x576@60 Sync Polarity (GTF Mode) */ -#define M1024X576_R60_HSP NEGATIVE -#define M1024X576_R60_VSP POSITIVE - -/*1024x600@60 Sync Polarity (GTF Mode)*/ -#define M1024X600_R60_HSP NEGATIVE -#define M1024X600_R60_VSP POSITIVE - -/* 1088x612@60 Sync Polarity (CVT Mode) */ -#define M1088X612_R60_HSP NEGATIVE -#define M1088X612_R60_VSP POSITIVE - -/* 1152x720@60 Sync Polarity (CVT Mode) */ -#define M1152X720_R60_HSP NEGATIVE -#define M1152X720_R60_VSP POSITIVE - -/* 1200x720@60 Sync Polarity (GTF Mode) */ -#define M1200X720_R60_HSP NEGATIVE -#define M1200X720_R60_VSP POSITIVE - -/* 1200x900@60 Sync Polarity (DCON) */ -#define M1200X900_R60_HSP POSITIVE -#define M1200X900_R60_VSP POSITIVE - -/* 1280x600@60 Sync Polarity (GTF Mode) */ -#define M1280x600_R60_HSP NEGATIVE -#define M1280x600_R60_VSP POSITIVE - -/* 1280x720@50 Sync Polarity (GTF Mode) */ -#define M1280X720_R50_HSP NEGATIVE -#define M1280X720_R50_VSP POSITIVE - -/* 1440x900@60 Sync Polarity (CVT Mode) */ -#define M1440X900_R60_HSP NEGATIVE -#define M1440X900_R60_VSP POSITIVE - -/* 1440x900@75 Sync Polarity (CVT Mode) */ -#define M1440X900_R75_HSP NEGATIVE -#define M1440X900_R75_VSP POSITIVE - -/* 1440x900@60 Sync Polarity (CVT Reduce Blanking Mode) */ -#define M1440X900_RB_R60_HSP POSITIVE -#define M1440X900_RB_R60_VSP NEGATIVE - -/* 1600x900@60 Sync Polarity (CVT Mode) */ -#define M1600X900_R60_HSP NEGATIVE -#define M1600X900_R60_VSP POSITIVE - -/* 1600x900@60 Sync Polarity (CVT Reduce Blanking Mode) */ -#define M1600X900_RB_R60_HSP POSITIVE -#define M1600X900_RB_R60_VSP NEGATIVE - -/* 1600x1024@60 Sync Polarity (GTF Mode) */ -#define M1600X1024_R60_HSP NEGATIVE -#define M1600X1024_R60_VSP POSITIVE - -/* 1792x1344@60 Sync Polarity (DMT Mode) */ -#define M1792x1344_R60_HSP NEGATIVE -#define M1792x1344_R60_VSP POSITIVE - -/* 1856x1392@60 Sync Polarity (DMT Mode) */ -#define M1856x1392_R60_HSP NEGATIVE -#define M1856x1392_R60_VSP POSITIVE - -/* 1920x1200@60 Sync Polarity (CVT Mode) */ -#define M1920X1200_R60_HSP NEGATIVE -#define M1920X1200_R60_VSP POSITIVE - -/* 1920x1200@60 Sync Polarity (CVT Reduce Blanking Mode) */ -#define M1920X1200_RB_R60_HSP POSITIVE -#define M1920X1200_RB_R60_VSP NEGATIVE - -/* 2048x1536@60 Sync Polarity (CVT Mode) */ -#define M2048x1536_R60_HSP NEGATIVE -#define M2048x1536_R60_VSP POSITIVE - /* Definition CRTC Timing Index */ #define H_TOTAL_INDEX 0 #define H_ADDR_INDEX 1 diff --git a/drivers/video/via/via_aux.c b/drivers/video/via/via_aux.c new file mode 100644 index 0000000..4a0a55c --- /dev/null +++ b/drivers/video/via/via_aux.c @@ -0,0 +1,88 @@ +/* + * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +/* + * infrastructure for devices connected via I2C + */ + +#include <linux/slab.h> +#include "via_aux.h" + + +struct via_aux_bus *via_aux_probe(struct i2c_adapter *adap) +{ + struct via_aux_bus *bus; + + if (!adap) + return NULL; + + bus = kmalloc(sizeof(*bus), GFP_KERNEL); + if (!bus) + return NULL; + + bus->adap = adap; + INIT_LIST_HEAD(&bus->drivers); + + via_aux_edid_probe(bus); + via_aux_vt1636_probe(bus); + via_aux_vt1632_probe(bus); + via_aux_vt1631_probe(bus); + via_aux_vt1625_probe(bus); + via_aux_vt1622_probe(bus); + via_aux_vt1621_probe(bus); + via_aux_sii164_probe(bus); + via_aux_ch7301_probe(bus); + + return bus; +} + +void via_aux_free(struct via_aux_bus *bus) +{ + struct via_aux_drv *pos, *n; + + if (!bus) + return; + + list_for_each_entry_safe(pos, n, &bus->drivers, chain) { + if (pos->cleanup) + pos->cleanup(pos); + + list_del(&pos->chain); + kfree(pos->data); + kfree(pos); + } + + kfree(bus); +} + +const struct fb_videomode *via_aux_get_preferred_mode(struct via_aux_bus *bus) +{ + struct via_aux_drv *pos; + const struct fb_videomode *mode = NULL; + + if (!bus) + return NULL; + + list_for_each_entry(pos, &bus->drivers, chain) { + if (pos->get_preferred_mode) + mode = pos->get_preferred_mode(pos); + } + + return mode; +} diff --git a/drivers/video/via/via_aux.h b/drivers/video/via/via_aux.h new file mode 100644 index 0000000..a8de3f0 --- /dev/null +++ b/drivers/video/via/via_aux.h @@ -0,0 +1,93 @@ +/* + * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +/* + * infrastructure for devices connected via I2C + */ + +#ifndef __VIA_AUX_H__ +#define __VIA_AUX_H__ + + +#include <linux/list.h> +#include <linux/i2c.h> +#include <linux/fb.h> + + +struct via_aux_bus { + struct i2c_adapter *adap; /* the I2C device to access the bus */ + struct list_head drivers; /* drivers for devices on this bus */ +}; + +struct via_aux_drv { + struct list_head chain; /* chain to support multiple drivers */ + + struct via_aux_bus *bus; /* the I2C bus used */ + u8 addr; /* the I2C slave address */ + + const char *name; /* human readable name of the driver */ + void *data; /* private data of this driver */ + + void (*cleanup)(struct via_aux_drv *drv); + const struct fb_videomode* (*get_preferred_mode) + (struct via_aux_drv *drv); +}; + + +struct via_aux_bus *via_aux_probe(struct i2c_adapter *adap); +void via_aux_free(struct via_aux_bus *bus); +const struct fb_videomode *via_aux_get_preferred_mode(struct via_aux_bus *bus); + + +static inline bool via_aux_add(struct via_aux_drv *drv) +{ + struct via_aux_drv *data = kmalloc(sizeof(*data), GFP_KERNEL); + + if (!data) + return false; + + *data = *drv; + list_add_tail(&data->chain, &data->bus->drivers); + return true; +} + +static inline bool via_aux_read(struct via_aux_drv *drv, u8 start, u8 *buf, + u8 len) +{ + struct i2c_msg msg[2] = { + {.addr = drv->addr, .flags = 0, .len = 1, .buf = &start}, + {.addr = drv->addr, .flags = I2C_M_RD, .len = len, .buf = buf} }; + + return i2c_transfer(drv->bus->adap, msg, 2) == 2; +} + + +/* probe functions of existing drivers - should only be called in via_aux.c */ +void via_aux_ch7301_probe(struct via_aux_bus *bus); +void via_aux_edid_probe(struct via_aux_bus *bus); +void via_aux_sii164_probe(struct via_aux_bus *bus); +void via_aux_vt1636_probe(struct via_aux_bus *bus); +void via_aux_vt1632_probe(struct via_aux_bus *bus); +void via_aux_vt1631_probe(struct via_aux_bus *bus); +void via_aux_vt1625_probe(struct via_aux_bus *bus); +void via_aux_vt1622_probe(struct via_aux_bus *bus); +void via_aux_vt1621_probe(struct via_aux_bus *bus); + + +#endif /* __VIA_AUX_H__ */ diff --git a/drivers/video/via/via_aux_ch7301.c b/drivers/video/via/via_aux_ch7301.c new file mode 100644 index 0000000..1cbe503 --- /dev/null +++ b/drivers/video/via/via_aux_ch7301.c @@ -0,0 +1,50 @@ +/* + * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +/* + * driver for Chrontel CH7301 DVI Transmitter + */ + +#include <linux/slab.h> +#include "via_aux.h" + + +static const char *name = "CH7301 DVI Transmitter"; + + +static void probe(struct via_aux_bus *bus, u8 addr) +{ + struct via_aux_drv drv = { + .bus = bus, + .addr = addr, + .name = name}; + u8 tmp; + + if (!via_aux_read(&drv, 0x4B, &tmp, 1) || tmp != 0x17) + return; + + printk(KERN_INFO "viafb: Found %s at address 0x%x\n", name, addr); + via_aux_add(&drv); +} + +void via_aux_ch7301_probe(struct via_aux_bus *bus) +{ + probe(bus, 0x75); + probe(bus, 0x76); +} diff --git a/drivers/video/via/via_aux_edid.c b/drivers/video/via/via_aux_edid.c new file mode 100644 index 0000000..754d450 --- /dev/null +++ b/drivers/video/via/via_aux_edid.c @@ -0,0 +1,100 @@ +/* + * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +/* + * generic EDID driver + */ + +#include <linux/slab.h> +#include <linux/fb.h> +#include "via_aux.h" +#include "../edid.h" + + +static const char *name = "EDID"; + + +static void query_edid(struct via_aux_drv *drv) +{ + struct fb_monspecs *spec = drv->data; + unsigned char edid[EDID_LENGTH]; + bool valid = false; + + if (spec) { + fb_destroy_modedb(spec->modedb); + } else { + spec = kmalloc(sizeof(*spec), GFP_KERNEL); + if (!spec) + return; + } + + spec->version = spec->revision = 0; + if (via_aux_read(drv, 0x00, edid, EDID_LENGTH)) { + fb_edid_to_monspecs(edid, spec); + valid = spec->version || spec->revision; + } + + if (!valid) { + kfree(spec); + spec = NULL; + } else + printk(KERN_DEBUG "EDID: %s %s\n", spec->manufacturer, spec->monitor); + + drv->data = spec; +} + +static const struct fb_videomode *get_preferred_mode(struct via_aux_drv *drv) +{ + struct fb_monspecs *spec = drv->data; + int i; + + if (!spec || !spec->modedb || !(spec->misc & FB_MISC_1ST_DETAIL)) + return NULL; + + for (i = 0; i < spec->modedb_len; i++) { + if (spec->modedb[i].flag & FB_MODE_IS_FIRST && + spec->modedb[i].flag & FB_MODE_IS_DETAILED) + return &spec->modedb[i]; + } + + return NULL; +} + +static void cleanup(struct via_aux_drv *drv) +{ + struct fb_monspecs *spec = drv->data; + + if (spec) + fb_destroy_modedb(spec->modedb); +} + +void via_aux_edid_probe(struct via_aux_bus *bus) +{ + struct via_aux_drv drv = { + .bus = bus, + .addr = 0x50, + .name = name, + .cleanup = cleanup, + .get_preferred_mode = get_preferred_mode}; + + query_edid(&drv); + + /* as EDID devices can be connected/disconnected just add the driver */ + via_aux_add(&drv); +} diff --git a/drivers/video/via/via_aux_sii164.c b/drivers/video/via/via_aux_sii164.c new file mode 100644 index 0000000..ca1b35f --- /dev/null +++ b/drivers/video/via/via_aux_sii164.c @@ -0,0 +1,54 @@ +/* + * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +/* + * driver for Silicon Image SiI 164 PanelLink Transmitter + */ + +#include <linux/slab.h> +#include "via_aux.h" + + +static const char *name = "SiI 164 PanelLink Transmitter"; + + +static void probe(struct via_aux_bus *bus, u8 addr) +{ + struct via_aux_drv drv = { + .bus = bus, + .addr = addr, + .name = name}; + /* check vendor id and device id */ + const u8 id[] = {0x01, 0x00, 0x06, 0x00}, len = ARRAY_SIZE(id); + u8 tmp[len]; + + if (!via_aux_read(&drv, 0x00, tmp, len) || memcmp(id, tmp, len)) + return; + + printk(KERN_INFO "viafb: Found %s at address 0x%x\n", name, addr); + via_aux_add(&drv); +} + +void via_aux_sii164_probe(struct via_aux_bus *bus) +{ + u8 i; + + for (i = 0x38; i <= 0x3F; i++) + probe(bus, i); +} diff --git a/drivers/video/via/via_aux_vt1621.c b/drivers/video/via/via_aux_vt1621.c new file mode 100644 index 0000000..38eca84 --- /dev/null +++ b/drivers/video/via/via_aux_vt1621.c @@ -0,0 +1,44 @@ +/* + * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +/* + * driver for VIA VT1621(M) TV Encoder + */ + +#include <linux/slab.h> +#include "via_aux.h" + + +static const char *name = "VT1621(M) TV Encoder"; + + +void via_aux_vt1621_probe(struct via_aux_bus *bus) +{ + struct via_aux_drv drv = { + .bus = bus, + .addr = 0x20, + .name = name}; + u8 tmp; + + if (!via_aux_read(&drv, 0x1B, &tmp, 1) || tmp != 0x02) + return; + + printk(KERN_INFO "viafb: Found %s\n", name); + via_aux_add(&drv); +} diff --git a/drivers/video/via/via_aux_vt1622.c b/drivers/video/via/via_aux_vt1622.c new file mode 100644 index 0000000..8c79c68 --- /dev/null +++ b/drivers/video/via/via_aux_vt1622.c @@ -0,0 +1,50 @@ +/* + * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +/* + * driver for VIA VT1622(M) Digital TV Encoder + */ + +#include <linux/slab.h> +#include "via_aux.h" + + +static const char *name = "VT1622(M) Digital TV Encoder"; + + +static void probe(struct via_aux_bus *bus, u8 addr) +{ + struct via_aux_drv drv = { + .bus = bus, + .addr = addr, + .name = name}; + u8 tmp; + + if (!via_aux_read(&drv, 0x1B, &tmp, 1) || tmp != 0x03) + return; + + printk(KERN_INFO "viafb: Found %s at address 0x%x\n", name, addr); + via_aux_add(&drv); +} + +void via_aux_vt1622_probe(struct via_aux_bus *bus) +{ + probe(bus, 0x20); + probe(bus, 0x21); +} diff --git a/drivers/video/via/via_aux_vt1625.c b/drivers/video/via/via_aux_vt1625.c new file mode 100644 index 0000000..03eb301 --- /dev/null +++ b/drivers/video/via/via_aux_vt1625.c @@ -0,0 +1,50 @@ +/* + * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +/* + * driver for VIA VT1625(M) HDTV Encoder + */ + +#include <linux/slab.h> +#include "via_aux.h" + + +static const char *name = "VT1625(M) HDTV Encoder"; + + +static void probe(struct via_aux_bus *bus, u8 addr) +{ + struct via_aux_drv drv = { + .bus = bus, + .addr = addr, + .name = name}; + u8 tmp; + + if (!via_aux_read(&drv, 0x1B, &tmp, 1) || tmp != 0x50) + return; + + printk(KERN_INFO "viafb: Found %s at address 0x%x\n", name, addr); + via_aux_add(&drv); +} + +void via_aux_vt1625_probe(struct via_aux_bus *bus) +{ + probe(bus, 0x20); + probe(bus, 0x21); +} diff --git a/drivers/video/via/via_aux_vt1631.c b/drivers/video/via/via_aux_vt1631.c new file mode 100644 index 0000000..06e742f --- /dev/null +++ b/drivers/video/via/via_aux_vt1631.c @@ -0,0 +1,46 @@ +/* + * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +/* + * driver for VIA VT1631 LVDS Transmitter + */ + +#include <linux/slab.h> +#include "via_aux.h" + + +static const char *name = "VT1631 LVDS Transmitter"; + + +void via_aux_vt1631_probe(struct via_aux_bus *bus) +{ + struct via_aux_drv drv = { + .bus = bus, + .addr = 0x38, + .name = name}; + /* check vendor id and device id */ + const u8 id[] = {0x06, 0x11, 0x91, 0x31}, len = ARRAY_SIZE(id); + u8 tmp[len]; + + if (!via_aux_read(&drv, 0x00, tmp, len) || memcmp(id, tmp, len)) + return; + + printk(KERN_INFO "viafb: Found %s\n", name); + via_aux_add(&drv); +} diff --git a/drivers/video/via/via_aux_vt1632.c b/drivers/video/via/via_aux_vt1632.c new file mode 100644 index 0000000..d24f4cd --- /dev/null +++ b/drivers/video/via/via_aux_vt1632.c @@ -0,0 +1,54 @@ +/* + * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +/* + * driver for VIA VT1632 DVI Transmitter + */ + +#include <linux/slab.h> +#include "via_aux.h" + + +static const char *name = "VT1632 DVI Transmitter"; + + +static void probe(struct via_aux_bus *bus, u8 addr) +{ + struct via_aux_drv drv = { + .bus = bus, + .addr = addr, + .name = name}; + /* check vendor id and device id */ + const u8 id[] = {0x06, 0x11, 0x92, 0x31}, len = ARRAY_SIZE(id); + u8 tmp[len]; + + if (!via_aux_read(&drv, 0x00, tmp, len) || memcmp(id, tmp, len)) + return; + + printk(KERN_INFO "viafb: Found %s at address 0x%x\n", name, addr); + via_aux_add(&drv); +} + +void via_aux_vt1632_probe(struct via_aux_bus *bus) +{ + u8 i; + + for (i = 0x08; i <= 0x0F; i++) + probe(bus, i); +} diff --git a/drivers/video/via/via_aux_vt1636.c b/drivers/video/via/via_aux_vt1636.c new file mode 100644 index 0000000..9e015c1 --- /dev/null +++ b/drivers/video/via/via_aux_vt1636.c @@ -0,0 +1,46 @@ +/* + * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +/* + * driver for VIA VT1636 LVDS Transmitter + */ + +#include <linux/slab.h> +#include "via_aux.h" + + +static const char *name = "VT1636 LVDS Transmitter"; + + +void via_aux_vt1636_probe(struct via_aux_bus *bus) +{ + struct via_aux_drv drv = { + .bus = bus, + .addr = 0x40, + .name = name}; + /* check vendor id and device id */ + const u8 id[] = {0x06, 0x11, 0x45, 0x33}, len = ARRAY_SIZE(id); + u8 tmp[len]; + + if (!via_aux_read(&drv, 0x00, tmp, len) || memcmp(id, tmp, len)) + return; + + printk(KERN_INFO "viafb: Found %s\n", name); + via_aux_add(&drv); +} diff --git a/drivers/video/via/via_i2c.c b/drivers/video/via/via_i2c.c index 78f1405..dd53058 100644 --- a/drivers/video/via/via_i2c.c +++ b/drivers/video/via/via_i2c.c @@ -51,7 +51,7 @@ static void via_i2c_setscl(void *data, int state) val |= 0x01; break; case VIA_PORT_GPIO: - val |= 0x80; + val |= 0x82; break; default: printk(KERN_ERR "viafb_i2c: specify wrong i2c type.\n"); @@ -67,6 +67,9 @@ static int via_i2c_getscl(void *data) int ret = 0; spin_lock_irqsave(&i2c_vdev->reg_lock, flags); + if (adap_data->type == VIA_PORT_GPIO) + via_write_reg_mask(adap_data->io_port, adap_data->ioport_index, + 0, 0x80); if (via_read_reg(adap_data->io_port, adap_data->ioport_index) & 0x08) ret = 1; spin_unlock_irqrestore(&i2c_vdev->reg_lock, flags); @@ -80,6 +83,9 @@ static int via_i2c_getsda(void *data) int ret = 0; spin_lock_irqsave(&i2c_vdev->reg_lock, flags); + if (adap_data->type == VIA_PORT_GPIO) + via_write_reg_mask(adap_data->io_port, adap_data->ioport_index, + 0, 0x40); if (via_read_reg(adap_data->io_port, adap_data->ioport_index) & 0x04) ret = 1; spin_unlock_irqrestore(&i2c_vdev->reg_lock, flags); @@ -103,7 +109,7 @@ static void via_i2c_setsda(void *data, int state) val |= 0x01; break; case VIA_PORT_GPIO: - val |= 0x40; + val |= 0x42; break; default: printk(KERN_ERR "viafb_i2c: specify wrong i2c type.\n"); diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index a13c258..0c88375 100644 --- a/drivers/video/via/viafbdev.c +++ b/drivers/video/via/viafbdev.c @@ -24,6 +24,7 @@ #include <linux/slab.h> #include <linux/stat.h> #include <linux/via-core.h> +#include <linux/via_i2c.h> #include <asm/olpc.h> #define _MASTER_FILE @@ -286,26 +287,22 @@ static int viafb_set_par(struct fb_info *info) viafb_second_yres, viafb_bpp1, 1); } - refresh = viafb_get_refresh(info->var.xres, info->var.yres, - get_var_refresh(&info->var)); - if (viafb_get_best_mode(viafbinfo->var.xres, viafbinfo->var.yres, - refresh)) { - if (viafb_dual_fb && viapar->iga_path == IGA2) { - viafb_bpp1 = info->var.bits_per_pixel; - viafb_refresh1 = refresh; - } else { - viafb_bpp = info->var.bits_per_pixel; - viafb_refresh = refresh; - } - - if (info->var.accel_flags & FB_ACCELF_TEXT) - info->flags &= ~FBINFO_HWACCEL_DISABLED; - else - info->flags |= FBINFO_HWACCEL_DISABLED; - viafb_setmode(info->var.bits_per_pixel, viafb_bpp1); - viafb_pan_display(&info->var, info); + refresh = get_var_refresh(&info->var); + if (viafb_dual_fb && viapar->iga_path == IGA2) { + viafb_bpp1 = info->var.bits_per_pixel; + viafb_refresh1 = refresh; + } else { + viafb_bpp = info->var.bits_per_pixel; + viafb_refresh = refresh; } + if (info->var.accel_flags & FB_ACCELF_TEXT) + info->flags &= ~FBINFO_HWACCEL_DISABLED; + else + info->flags |= FBINFO_HWACCEL_DISABLED; + viafb_setmode(); + viafb_pan_display(&info->var, info); + return 0; } @@ -1670,12 +1667,23 @@ static void viafb_remove_proc(struct viafb_shared *shared) } #undef IS_VT1636 -static int parse_mode(const char *str, u32 *xres, u32 *yres) +static int parse_mode(const char *str, u32 devices, u32 *xres, u32 *yres) { + const struct fb_videomode *mode = NULL; char *ptr; if (!str) { - if (machine_is_olpc()) { + if (devices == VIA_CRT) + mode = via_aux_get_preferred_mode( + viaparinfo->shared->i2c_26); + else if (devices == VIA_DVP1) + mode = via_aux_get_preferred_mode( + viaparinfo->shared->i2c_31); + + if (mode) { + *xres = mode->xres; + *yres = mode->yres; + } else if (machine_is_olpc()) { *xres = 1200; *yres = 900; } else { @@ -1729,6 +1737,31 @@ static struct viafb_pm_hooks viafb_fb_pm_hooks = { #endif +static void __devinit i2c_bus_probe(struct viafb_shared *shared) +{ + /* should be always CRT */ + printk(KERN_INFO "viafb: Probing I2C bus 0x26\n"); + shared->i2c_26 = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_26)); + + /* seems to be usually DVP1 */ + printk(KERN_INFO "viafb: Probing I2C bus 0x31\n"); + shared->i2c_31 = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_31)); + + /* FIXME: what is this? */ + if (!machine_is_olpc()) { + printk(KERN_INFO "viafb: Probing I2C bus 0x2C\n"); + shared->i2c_2C = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_2C)); + } + + printk(KERN_INFO "viafb: Finished I2C bus probing"); +} + +static void i2c_bus_free(struct viafb_shared *shared) +{ + via_aux_free(shared->i2c_26); + via_aux_free(shared->i2c_31); + via_aux_free(shared->i2c_2C); +} int __devinit via_fb_pci_probe(struct viafb_dev *vdev) { @@ -1762,6 +1795,7 @@ int __devinit via_fb_pci_probe(struct viafb_dev *vdev) &viaparinfo->shared->lvds_setting_info2; viaparinfo->chip_info = &viaparinfo->shared->chip_info; + i2c_bus_probe(viaparinfo->shared); if (viafb_dual_fb) viafb_SAMM_ON = 1; parse_lcd_port(); @@ -1804,10 +1838,11 @@ int __devinit via_fb_pci_probe(struct viafb_dev *vdev) viafb_second_size * 1024 * 1024; } - parse_mode(viafb_mode, &default_xres, &default_yres); + parse_mode(viafb_mode, viaparinfo->shared->iga1_devices, + &default_xres, &default_yres); if (viafb_SAMM_ON == 1) - parse_mode(viafb_mode1, &viafb_second_xres, - &viafb_second_yres); + parse_mode(viafb_mode1, viaparinfo->shared->iga2_devices, + &viafb_second_xres, &viafb_second_yres); default_var.xres = default_xres; default_var.yres = default_yres; @@ -1915,6 +1950,7 @@ out_fb1_release: if (viafbinfo1) framebuffer_release(viafbinfo1); out_fb_release: + i2c_bus_free(viaparinfo->shared); framebuffer_release(viafbinfo); return rc; } @@ -1927,6 +1963,7 @@ void __devexit via_fb_pci_remove(struct pci_dev *pdev) if (viafb_dual_fb) unregister_framebuffer(viafbinfo1); viafb_remove_proc(viaparinfo->shared); + i2c_bus_free(viaparinfo->shared); framebuffer_release(viafbinfo); if (viafb_dual_fb) framebuffer_release(viafbinfo1); @@ -2033,9 +2070,9 @@ int __init viafb_init(void) if (r < 0) return r; #endif - if (parse_mode(viafb_mode, &dummy_x, &dummy_y) + if (parse_mode(viafb_mode, 0, &dummy_x, &dummy_y) || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh) - || parse_mode(viafb_mode1, &dummy_x, &dummy_y) + || parse_mode(viafb_mode1, 0, &dummy_x, &dummy_y) || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh1) || viafb_bpp < 0 || viafb_bpp > 32 || viafb_bpp1 < 0 || viafb_bpp1 > 32 diff --git a/drivers/video/via/viafbdev.h b/drivers/video/via/viafbdev.h index d944063..f6b2ddf 100644 --- a/drivers/video/via/viafbdev.h +++ b/drivers/video/via/viafbdev.h @@ -26,6 +26,7 @@ #include <linux/fb.h> #include <linux/spinlock.h> +#include "via_aux.h" #include "ioctl.h" #include "share.h" #include "chip.h" @@ -48,6 +49,11 @@ struct viafb_shared { struct proc_dir_entry *iga2_proc_entry; struct viafb_dev *vdev; /* Global dev info */ + /* I2C busses that may have auxiliary devices */ + struct via_aux_bus *i2c_26; + struct via_aux_bus *i2c_31; + struct via_aux_bus *i2c_2C; + /* All the information will be needed to set engine */ struct tmds_setting_information tmds_setting_info; struct lvds_setting_information lvds_setting_info; diff --git a/drivers/video/via/viamode.c b/drivers/video/via/viamode.c index 0911cac..0666ab0 100644 --- a/drivers/video/via/viamode.c +++ b/drivers/video/via/viamode.c @@ -268,591 +268,78 @@ struct VPITTable VPIT = { /* Mode Table */ /********************/ -/* 480x640 */ -static struct crt_mode_table CRTM480x640[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M480X640_R60_HSP, M480X640_R60_VSP, - {624, 480, 480, 144, 504, 48, 663, 640, 640, 23, 641, 3} } /* GTF*/ -}; - -/* 640x480*/ -static struct crt_mode_table CRTM640x480[] = { - /*r_rate,hsp,vsp */ - /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M640X480_R60_HSP, M640X480_R60_VSP, - {800, 640, 640, 160, 656, 96, 525, 480, 480, 45, 490, 2} }, - {REFRESH_75, M640X480_R75_HSP, M640X480_R75_VSP, - {840, 640, 640, 200, 656, 64, 500, 480, 480, 20, 481, 3} }, - {REFRESH_85, M640X480_R85_HSP, M640X480_R85_VSP, - {832, 640, 640, 192, 696, 56, 509, 480, 480, 29, 481, 3} }, - {REFRESH_100, M640X480_R100_HSP, M640X480_R100_VSP, - {848, 640, 640, 208, 680, 64, 509, 480, 480, 29, 481, 3} }, /*GTF*/ - {REFRESH_120, M640X480_R120_HSP, M640X480_R120_VSP, - {848, 640, 640, 208, 680, 64, 515, 480, 480, 35, 481, 3} } /*GTF*/ -}; - -/*720x480 (GTF)*/ -static struct crt_mode_table CRTM720x480[] = { - /*r_rate,hsp,vsp */ - /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M720X480_R60_HSP, M720X480_R60_VSP, - {896, 720, 720, 176, 736, 72, 497, 480, 480, 17, 481, 3} } - -}; - -/*720x576 (GTF)*/ -static struct crt_mode_table CRTM720x576[] = { - /*r_rate,hsp,vsp */ - /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M720X576_R60_HSP, M720X576_R60_VSP, - {912, 720, 720, 192, 744, 72, 597, 576, 576, 21, 577, 3} } -}; - -/* 800x480 (CVT) */ -static struct crt_mode_table CRTM800x480[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M800X480_R60_HSP, M800X480_R60_VSP, - {992, 800, 800, 192, 824, 72, 500, 480, 480, 20, 483, 7} } -}; - -/* 800x600*/ -static struct crt_mode_table CRTM800x600[] = { - /*r_rate,hsp,vsp */ - /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M800X600_R60_HSP, M800X600_R60_VSP, - {1056, 800, 800, 256, 840, 128, 628, 600, 600, 28, 601, 4} }, - {REFRESH_75, M800X600_R75_HSP, M800X600_R75_VSP, - {1056, 800, 800, 256, 816, 80, 625, 600, 600, 25, 601, 3} }, - {REFRESH_85, M800X600_R85_HSP, M800X600_R85_VSP, - {1048, 800, 800, 248, 832, 64, 631, 600, 600, 31, 601, 3} }, - {REFRESH_100, M800X600_R100_HSP, M800X600_R100_VSP, - {1072, 800, 800, 272, 848, 88, 636, 600, 600, 36, 601, 3} }, - {REFRESH_120, M800X600_R120_HSP, M800X600_R120_VSP, - {1088, 800, 800, 288, 856, 88, 643, 600, 600, 43, 601, 3} } -}; - -/* 848x480 (CVT) */ -static struct crt_mode_table CRTM848x480[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M848X480_R60_HSP, M848X480_R60_VSP, - {1056, 848, 848, 208, 872, 80, 500, 480, 480, 20, 483, 5} } -}; - -/*856x480 (GTF) convert to 852x480*/ -static struct crt_mode_table CRTM852x480[] = { - /*r_rate,hsp,vsp */ - /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M852X480_R60_HSP, M852X480_R60_VSP, - {1064, 856, 856, 208, 872, 88, 497, 480, 480, 17, 481, 3} } -}; - -/*1024x512 (GTF)*/ -static struct crt_mode_table CRTM1024x512[] = { - /*r_rate,hsp,vsp */ - /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1024X512_R60_HSP, M1024X512_R60_VSP, - {1296, 1024, 1024, 272, 1056, 104, 531, 512, 512, 19, 513, 3} } - -}; - -/* 1024x600*/ -static struct crt_mode_table CRTM1024x600[] = { - /*r_rate,hsp,vsp */ - /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1024X600_R60_HSP, M1024X600_R60_VSP, - {1312, 1024, 1024, 288, 1064, 104, 622, 600, 600, 22, 601, 3} }, -}; - -/* 1024x768*/ -static struct crt_mode_table CRTM1024x768[] = { - /*r_rate,hsp,vsp */ - /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1024X768_R60_HSP, M1024X768_R60_VSP, - {1344, 1024, 1024, 320, 1048, 136, 806, 768, 768, 38, 771, 6} }, - {REFRESH_75, M1024X768_R75_HSP, M1024X768_R75_VSP, - {1312, 1024, 1024, 288, 1040, 96, 800, 768, 768, 32, 769, 3} }, - {REFRESH_85, M1024X768_R85_HSP, M1024X768_R85_VSP, - {1376, 1024, 1024, 352, 1072, 96, 808, 768, 768, 40, 769, 3} }, - {REFRESH_100, M1024X768_R100_HSP, M1024X768_R100_VSP, - {1392, 1024, 1024, 368, 1096, 112, 814, 768, 768, 46, 769, 3} } -}; - -/* 1152x864*/ -static struct crt_mode_table CRTM1152x864[] = { - /*r_rate,hsp,vsp */ - /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_75, M1152X864_R75_HSP, M1152X864_R75_VSP, - {1600, 1152, 1152, 448, 1216, 128, 900, 864, 864, 36, 865, 3} } - -}; - -/* 1280x720 (HDMI 720P)*/ -static struct crt_mode_table CRTM1280x720[] = { - /*r_rate,hsp,vsp */ - /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1280X720_R60_HSP, M1280X720_R60_VSP, - {1648, 1280, 1280, 368, 1392, 40, 750, 720, 720, 30, 725, 5} }, - {REFRESH_50, M1280X720_R50_HSP, M1280X720_R50_VSP, - {1632, 1280, 1280, 352, 1328, 128, 741, 720, 720, 21, 721, 3} } -}; - -/*1280x768 (GTF)*/ -static struct crt_mode_table CRTM1280x768[] = { - /*r_rate,hsp,vsp */ - /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1280X768_R60_HSP, M1280X768_R60_VSP, - {1680, 1280, 1280, 400, 1344, 136, 795, 768, 768, 27, 769, 3} }, - {REFRESH_50, M1280X768_R50_HSP, M1280X768_R50_VSP, - {1648, 1280, 1280, 368, 1336, 128, 791, 768, 768, 23, 769, 3} } -}; - -/* 1280x800 (CVT) */ -static struct crt_mode_table CRTM1280x800[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1280X800_R60_HSP, M1280X800_R60_VSP, - {1680, 1280, 1280, 400, 1352, 128, 831, 800, 800, 31, 803, 6} } -}; - -/*1280x960*/ -static struct crt_mode_table CRTM1280x960[] = { - /*r_rate,hsp,vsp */ - /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1280X960_R60_HSP, M1280X960_R60_VSP, - {1800, 1280, 1280, 520, 1376, 112, 1000, 960, 960, 40, 961, 3} } -}; - -/* 1280x1024*/ -static struct crt_mode_table CRTM1280x1024[] = { - /*r_rate,hsp,vsp */ - /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1280X1024_R60_HSP, M1280X1024_R60_VSP, - {1688, 1280, 1280, 408, 1328, 112, 1066, 1024, 1024, 42, 1025, - 3} }, - {REFRESH_75, M1280X1024_R75_HSP, M1280X1024_R75_VSP, - {1688, 1280, 1280, 408, 1296, 144, 1066, 1024, 1024, 42, 1025, - 3} }, - {REFRESH_85, M1280X1024_R85_HSP, M1280X1024_R85_VSP, - {1728, 1280, 1280, 448, 1344, 160, 1072, 1024, 1024, 48, 1025, 3} } -}; - -/* 1368x768 (GTF) */ -static struct crt_mode_table CRTM1368x768[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1368X768_R60_HSP, M1368X768_R60_VSP, - {1800, 1368, 1368, 432, 1440, 144, 795, 768, 768, 27, 769, 3} } -}; - -/*1440x1050 (GTF)*/ -static struct crt_mode_table CRTM1440x1050[] = { - /*r_rate,hsp,vsp */ - /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1440X1050_R60_HSP, M1440X1050_R60_VSP, - {1936, 1440, 1440, 496, 1536, 152, 1077, 1040, 1040, 37, 1041, 3} } -}; - -/* 1600x1200*/ -static struct crt_mode_table CRTM1600x1200[] = { - /*r_rate,hsp,vsp */ - /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1600X1200_R60_HSP, M1600X1200_R60_VSP, - {2160, 1600, 1600, 560, 1664, 192, 1250, 1200, 1200, 50, 1201, - 3} }, - {REFRESH_75, M1600X1200_R75_HSP, M1600X1200_R75_VSP, - {2160, 1600, 1600, 560, 1664, 192, 1250, 1200, 1200, 50, 1201, 3} } - -}; - -/* 1680x1050 (CVT) */ -static struct crt_mode_table CRTM1680x1050[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1680x1050_R60_HSP, M1680x1050_R60_VSP, - {2240, 1680, 1680, 560, 1784, 176, 1089, 1050, 1050, 39, 1053, - 6} }, - {REFRESH_75, M1680x1050_R75_HSP, M1680x1050_R75_VSP, - {2272, 1680, 1680, 592, 1800, 176, 1099, 1050, 1050, 49, 1053, 6} } -}; - -/* 1680x1050 (CVT Reduce Blanking) */ -static struct crt_mode_table CRTM1680x1050_RB[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1680x1050_RB_R60_HSP, M1680x1050_RB_R60_VSP, - {1840, 1680, 1680, 160, 1728, 32, 1080, 1050, 1050, 30, 1053, 6} } -}; - -/* 1920x1080 (CVT)*/ -static struct crt_mode_table CRTM1920x1080[] = { - /*r_rate,hsp,vsp */ - /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1920X1080_R60_HSP, M1920X1080_R60_VSP, - {2576, 1920, 1920, 656, 2048, 200, 1120, 1080, 1080, 40, 1083, 5} } -}; - -/* 1920x1080 (CVT with Reduce Blanking) */ -static struct crt_mode_table CRTM1920x1080_RB[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1920X1080_RB_R60_HSP, M1920X1080_RB_R60_VSP, - {2080, 1920, 1920, 160, 1968, 32, 1111, 1080, 1080, 31, 1083, 5} } -}; - -/* 1920x1440*/ -static struct crt_mode_table CRTM1920x1440[] = { - /*r_rate,hsp,vsp */ - /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1920X1440_R60_HSP, M1920X1440_R60_VSP, - {2600, 1920, 1920, 680, 2048, 208, 1500, 1440, 1440, 60, 1441, - 3} }, - {REFRESH_75, M1920X1440_R75_HSP, M1920X1440_R75_VSP, - {2640, 1920, 1920, 720, 2064, 224, 1500, 1440, 1440, 60, 1441, 3} } -}; - -/* 1400x1050 (CVT) */ -static struct crt_mode_table CRTM1400x1050[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1400X1050_R60_HSP, M1400X1050_R60_VSP, - {1864, 1400, 1400, 464, 1488, 144, 1089, 1050, 1050, 39, 1053, - 4} }, - {REFRESH_75, M1400X1050_R75_HSP, M1400X1050_R75_VSP, - {1896, 1400, 1400, 496, 1504, 144, 1099, 1050, 1050, 49, 1053, 4} } -}; - -/* 1400x1050 (CVT Reduce Blanking) */ -static struct crt_mode_table CRTM1400x1050_RB[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1400X1050_RB_R60_HSP, M1400X1050_RB_R60_VSP, - {1560, 1400, 1400, 160, 1448, 32, 1080, 1050, 1050, 30, 1053, 4} } -}; - -/* 960x600 (CVT) */ -static struct crt_mode_table CRTM960x600[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M960X600_R60_HSP, M960X600_R60_VSP, - {1216, 960, 960, 256, 992, 96, 624, 600, 600, 24, 603, 6} } -}; - -/* 1000x600 (GTF) */ -static struct crt_mode_table CRTM1000x600[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1000X600_R60_HSP, M1000X600_R60_VSP, - {1288, 1000, 1000, 288, 1040, 104, 622, 600, 600, 22, 601, 3} } -}; - -/* 1024x576 (GTF) */ -static struct crt_mode_table CRTM1024x576[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1024X576_R60_HSP, M1024X576_R60_VSP, - {1312, 1024, 1024, 288, 1064, 104, 597, 576, 576, 21, 577, 3} } -}; - -/* 1088x612 (CVT) */ -static struct crt_mode_table CRTM1088x612[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1088X612_R60_HSP, M1088X612_R60_VSP, - {1392, 1088, 1088, 304, 1136, 104, 636, 612, 612, 24, 615, 5} } -}; - -/* 1152x720 (CVT) */ -static struct crt_mode_table CRTM1152x720[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1152X720_R60_HSP, M1152X720_R60_VSP, - {1488, 1152, 1152, 336, 1208, 112, 748, 720, 720, 28, 723, 6} } -}; - -/* 1200x720 (GTF) */ -static struct crt_mode_table CRTM1200x720[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1200X720_R60_HSP, M1200X720_R60_VSP, - {1568, 1200, 1200, 368, 1256, 128, 746, 720, 720, 26, 721, 3} } -}; - -/* 1200x900 (DCON) */ -static struct crt_mode_table DCON1200x900[] = { - /* r_rate, hsp, vsp */ - {REFRESH_49, M1200X900_R60_HSP, M1200X900_R60_VSP, - /* The correct htotal is 1240, but this doesn't raster on VX855. */ - /* Via suggested changing to a multiple of 16, hence 1264. */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {1264, 1200, 1200, 64, 1211, 32, 912, 900, 900, 12, 901, 10} } -}; - -/* 1280x600 (GTF) */ -static struct crt_mode_table CRTM1280x600[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1280x600_R60_HSP, M1280x600_R60_VSP, - {1648, 1280, 1280, 368, 1336, 128, 622, 600, 600, 22, 601, 3} } -}; - -/* 1360x768 (CVT) */ -static struct crt_mode_table CRTM1360x768[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1360X768_R60_HSP, M1360X768_R60_VSP, - {1776, 1360, 1360, 416, 1432, 136, 798, 768, 768, 30, 771, 5} } -}; - -/* 1360x768 (CVT Reduce Blanking) */ -static struct crt_mode_table CRTM1360x768_RB[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1360X768_RB_R60_HSP, M1360X768_RB_R60_VSP, - {1520, 1360, 1360, 160, 1408, 32, 790, 768, 768, 22, 771, 5} } -}; - -/* 1366x768 (GTF) */ -static struct crt_mode_table CRTM1366x768[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1368X768_R60_HSP, M1368X768_R60_VSP, - {1800, 1368, 1368, 432, 1440, 144, 795, 768, 768, 27, 769, 3} }, - {REFRESH_50, M1368X768_R50_HSP, M1368X768_R50_VSP, - {1768, 1368, 1368, 400, 1424, 144, 791, 768, 768, 23, 769, 3} } -}; - -/* 1440x900 (CVT) */ -static struct crt_mode_table CRTM1440x900[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1440X900_R60_HSP, M1440X900_R60_VSP, - {1904, 1440, 1440, 464, 1520, 152, 934, 900, 900, 34, 903, 6} }, - {REFRESH_75, M1440X900_R75_HSP, M1440X900_R75_VSP, - {1936, 1440, 1440, 496, 1536, 152, 942, 900, 900, 42, 903, 6} } -}; - -/* 1440x900 (CVT Reduce Blanking) */ -static struct crt_mode_table CRTM1440x900_RB[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1440X900_RB_R60_HSP, M1440X900_RB_R60_VSP, - {1600, 1440, 1440, 160, 1488, 32, 926, 900, 900, 26, 903, 6} } -}; - -/* 1600x900 (CVT) */ -static struct crt_mode_table CRTM1600x900[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1600X900_R60_HSP, M1600X900_R60_VSP, - {2112, 1600, 1600, 512, 1688, 168, 934, 900, 900, 34, 903, 5} } -}; - -/* 1600x900 (CVT Reduce Blanking) */ -static struct crt_mode_table CRTM1600x900_RB[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1600X900_RB_R60_HSP, M1600X900_RB_R60_VSP, - {1760, 1600, 1600, 160, 1648, 32, 926, 900, 900, 26, 903, 5} } -}; - -/* 1600x1024 (GTF) */ -static struct crt_mode_table CRTM1600x1024[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1600X1024_R60_HSP, M1600X1024_R60_VSP, - {2144, 1600, 1600, 544, 1704, 168, 1060, 1024, 1024, 36, 1025, 3} } -}; - -/* 1792x1344 (DMT) */ -static struct crt_mode_table CRTM1792x1344[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1792x1344_R60_HSP, M1792x1344_R60_VSP, - {2448, 1792, 1792, 656, 1920, 200, 1394, 1344, 1344, 50, 1345, 3} } -}; - -/* 1856x1392 (DMT) */ -static struct crt_mode_table CRTM1856x1392[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1856x1392_R60_HSP, M1856x1392_R60_VSP, - {2528, 1856, 1856, 672, 1952, 224, 1439, 1392, 1392, 47, 1393, 3} } -}; - -/* 1920x1200 (CVT) */ -static struct crt_mode_table CRTM1920x1200[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1920X1200_R60_HSP, M1920X1200_R60_VSP, - {2592, 1920, 1920, 672, 2056, 200, 1245, 1200, 1200, 45, 1203, 6} } -}; - -/* 1920x1200 (CVT with Reduce Blanking) */ -static struct crt_mode_table CRTM1920x1200_RB[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M1920X1200_RB_R60_HSP, M1920X1200_RB_R60_VSP, - {2080, 1920, 1920, 160, 1968, 32, 1235, 1200, 1200, 35, 1203, 6} } -}; - -/* 2048x1536 (CVT) */ -static struct crt_mode_table CRTM2048x1536[] = { - /* r_rate, hsp, vsp */ - /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ - {REFRESH_60, M2048x1536_R60_HSP, M2048x1536_R60_VSP, - {2800, 2048, 2048, 752, 2200, 224, 1592, 1536, 1536, 56, 1539, 4} } -}; - -static struct VideoModeTable viafb_modes[] = { - /* Display : 480x640 (GTF) */ - {CRTM480x640, ARRAY_SIZE(CRTM480x640)}, - - /* Display : 640x480 */ - {CRTM640x480, ARRAY_SIZE(CRTM640x480)}, - - /* Display : 720x480 (GTF) */ - {CRTM720x480, ARRAY_SIZE(CRTM720x480)}, - - /* Display : 720x576 (GTF) */ - {CRTM720x576, ARRAY_SIZE(CRTM720x576)}, - - /* Display : 800x600 */ - {CRTM800x600, ARRAY_SIZE(CRTM800x600)}, - - /* Display : 800x480 (CVT) */ - {CRTM800x480, ARRAY_SIZE(CRTM800x480)}, - - /* Display : 848x480 (CVT) */ - {CRTM848x480, ARRAY_SIZE(CRTM848x480)}, - - /* Display : 852x480 (GTF) */ - {CRTM852x480, ARRAY_SIZE(CRTM852x480)}, - - /* Display : 1024x512 (GTF) */ - {CRTM1024x512, ARRAY_SIZE(CRTM1024x512)}, - - /* Display : 1024x600 */ - {CRTM1024x600, ARRAY_SIZE(CRTM1024x600)}, - - /* Display : 1024x768 */ - {CRTM1024x768, ARRAY_SIZE(CRTM1024x768)}, - - /* Display : 1152x864 */ - {CRTM1152x864, ARRAY_SIZE(CRTM1152x864)}, - - /* Display : 1280x768 (GTF) */ - {CRTM1280x768, ARRAY_SIZE(CRTM1280x768)}, - - /* Display : 960x600 (CVT) */ - {CRTM960x600, ARRAY_SIZE(CRTM960x600)}, - - /* Display : 1000x600 (GTF) */ - {CRTM1000x600, ARRAY_SIZE(CRTM1000x600)}, - - /* Display : 1024x576 (GTF) */ - {CRTM1024x576, ARRAY_SIZE(CRTM1024x576)}, - - /* Display : 1088x612 (GTF) */ - {CRTM1088x612, ARRAY_SIZE(CRTM1088x612)}, - - /* Display : 1152x720 (CVT) */ - {CRTM1152x720, ARRAY_SIZE(CRTM1152x720)}, - - /* Display : 1200x720 (GTF) */ - {CRTM1200x720, ARRAY_SIZE(CRTM1200x720)}, - - /* Display : 1200x900 (DCON) */ - {DCON1200x900, ARRAY_SIZE(DCON1200x900)}, - - /* Display : 1280x600 (GTF) */ - {CRTM1280x600, ARRAY_SIZE(CRTM1280x600)}, - - /* Display : 1280x800 (CVT) */ - {CRTM1280x800, ARRAY_SIZE(CRTM1280x800)}, - - /* Display : 1280x960 */ - {CRTM1280x960, ARRAY_SIZE(CRTM1280x960)}, - - /* Display : 1280x1024 */ - {CRTM1280x1024, ARRAY_SIZE(CRTM1280x1024)}, - - /* Display : 1360x768 (CVT) */ - {CRTM1360x768, ARRAY_SIZE(CRTM1360x768)}, - - /* Display : 1366x768 */ - {CRTM1366x768, ARRAY_SIZE(CRTM1366x768)}, - - /* Display : 1368x768 (GTF) */ - {CRTM1368x768, ARRAY_SIZE(CRTM1368x768)}, - - /* Display : 1440x900 (CVT) */ - {CRTM1440x900, ARRAY_SIZE(CRTM1440x900)}, - - /* Display : 1440x1050 (GTF) */ - {CRTM1440x1050, ARRAY_SIZE(CRTM1440x1050)}, - - /* Display : 1600x900 (CVT) */ - {CRTM1600x900, ARRAY_SIZE(CRTM1600x900)}, - - /* Display : 1600x1024 (GTF) */ - {CRTM1600x1024, ARRAY_SIZE(CRTM1600x1024)}, - - /* Display : 1600x1200 */ - {CRTM1600x1200, ARRAY_SIZE(CRTM1600x1200)}, - - /* Display : 1680x1050 (CVT) */ - {CRTM1680x1050, ARRAY_SIZE(CRTM1680x1050)}, - - /* Display : 1792x1344 (DMT) */ - {CRTM1792x1344, ARRAY_SIZE(CRTM1792x1344)}, - - /* Display : 1856x1392 (DMT) */ - {CRTM1856x1392, ARRAY_SIZE(CRTM1856x1392)}, - - /* Display : 1920x1440 */ - {CRTM1920x1440, ARRAY_SIZE(CRTM1920x1440)}, - - /* Display : 2048x1536 */ - {CRTM2048x1536, ARRAY_SIZE(CRTM2048x1536)}, - - /* Display : 1280x720 */ - {CRTM1280x720, ARRAY_SIZE(CRTM1280x720)}, - - /* Display : 1920x1080 (CVT) */ - {CRTM1920x1080, ARRAY_SIZE(CRTM1920x1080)}, - - /* Display : 1920x1200 (CVT) */ - {CRTM1920x1200, ARRAY_SIZE(CRTM1920x1200)}, - - /* Display : 1400x1050 (CVT) */ - {CRTM1400x1050, ARRAY_SIZE(CRTM1400x1050)} -}; - -static struct VideoModeTable viafb_rb_modes[] = { - /* Display : 1360x768 (CVT Reduce Blanking) */ - {CRTM1360x768_RB, ARRAY_SIZE(CRTM1360x768_RB)}, - - /* Display : 1440x900 (CVT Reduce Blanking) */ - {CRTM1440x900_RB, ARRAY_SIZE(CRTM1440x900_RB)}, - - /* Display : 1400x1050 (CVT Reduce Blanking) */ - {CRTM1400x1050_RB, ARRAY_SIZE(CRTM1400x1050_RB)}, - - /* Display : 1600x900 (CVT Reduce Blanking) */ - {CRTM1600x900_RB, ARRAY_SIZE(CRTM1600x900_RB)}, - - /* Display : 1680x1050 (CVT Reduce Blanking) */ - {CRTM1680x1050_RB, ARRAY_SIZE(CRTM1680x1050_RB)}, - - /* Display : 1920x1080 (CVT Reduce Blanking) */ - {CRTM1920x1080_RB, ARRAY_SIZE(CRTM1920x1080_RB)}, - - /* Display : 1920x1200 (CVT Reduce Blanking) */ - {CRTM1920x1200_RB, ARRAY_SIZE(CRTM1920x1200_RB)} -}; +static const struct fb_videomode viafb_modes[] = { + {NULL, 60, 480, 640, 40285, 72, 24, 19, 1, 48, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 640, 480, 39682, 48, 16, 33, 10, 96, 2, 0, 0, 0}, + {NULL, 75, 640, 480, 31746, 120, 16, 16, 1, 64, 3, 0, 0, 0}, + {NULL, 85, 640, 480, 27780, 80, 56, 25, 1, 56, 3, 0, 0, 0}, + {NULL, 100, 640, 480, 23167, 104, 40, 25, 1, 64, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 120, 640, 480, 19081, 104, 40, 31, 1, 64, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 720, 480, 37426, 88, 16, 13, 1, 72, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 720, 576, 30611, 96, 24, 17, 1, 72, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 800, 600, 25131, 88, 40, 23, 1, 128, 4, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 75, 800, 600, 20202, 160, 16, 21, 1, 80, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 85, 800, 600, 17790, 152, 32, 27, 1, 64, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 100, 800, 600, 14667, 136, 48, 32, 1, 88, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 120, 800, 600, 11911, 144, 56, 39, 1, 88, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 800, 480, 33602, 96, 24, 10, 3, 72, 7, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 848, 480, 31565, 104, 24, 12, 3, 80, 5, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 856, 480, 31517, 104, 16, 13, 1, 88, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1024, 512, 24218, 136, 32, 15, 1, 104, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1024, 600, 20423, 144, 40, 18, 1, 104, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1024, 768, 15385, 160, 24, 29, 3, 136, 6, 0, 0, 0}, + {NULL, 75, 1024, 768, 12703, 176, 16, 28, 1, 96, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 85, 1024, 768, 10581, 208, 48, 36, 1, 96, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 100, 1024, 768, 8825, 184, 72, 42, 1, 112, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 75, 1152, 864, 9259, 256, 64, 32, 1, 128, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1280, 768, 12478, 200, 64, 23, 1, 136, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 50, 1280, 768, 15342, 184, 56, 19, 1, 128, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 960, 600, 21964, 128, 32, 15, 3, 96, 6, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1000, 600, 20803, 144, 40, 18, 1, 104, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1024, 576, 21278, 144, 40, 17, 1, 104, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1088, 612, 18825, 152, 48, 16, 3, 104, 5, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1152, 720, 14974, 168, 56, 19, 3, 112, 6, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1200, 720, 14248, 184, 56, 22, 1, 128, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 49, 1200, 900, 17703, 21, 11, 1, 1, 32, 10, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1280, 600, 16259, 184, 56, 18, 1, 128, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1280, 800, 11938, 200, 72, 22, 3, 128, 6, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1280, 960, 9259, 312, 96, 36, 1, 112, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1280, 1024, 9262, 248, 48, 38, 1, 112, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 75, 1280, 1024, 7409, 248, 16, 38, 1, 144, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 85, 1280, 1024, 6351, 224, 64, 44, 1, 160, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1360, 768, 11759, 208, 72, 22, 3, 136, 5, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1368, 768, 11646, 216, 72, 23, 1, 144, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 50, 1368, 768, 14301, 200, 56, 19, 1, 144, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1368, 768, 11646, 216, 72, 23, 1, 144, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1440, 900, 9372, 232, 80, 25, 3, 152, 6, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 75, 1440, 900, 7311, 248, 96, 33, 3, 152, 6, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1440, 1040, 7993, 248, 96, 33, 1, 152, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1600, 900, 8449, 256, 88, 26, 3, 168, 5, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1600, 1024, 7333, 272, 104, 32, 1, 168, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1600, 1200, 6172, 304, 64, 46, 1, 192, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 75, 1600, 1200, 4938, 304, 64, 46, 1, 192, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1680, 1050, 6832, 280, 104, 30, 3, 176, 6, 0, 0, 0}, + {NULL, 75, 1680, 1050, 5339, 296, 120, 40, 3, 176, 6, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1792, 1344, 4883, 328, 128, 46, 1, 200, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1856, 1392, 4581, 352, 96, 43, 1, 224, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1920, 1440, 4273, 344, 128, 56, 1, 208, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 75, 1920, 1440, 3367, 352, 144, 56, 1, 224, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 2048, 1536, 3738, 376, 152, 49, 3, 224, 4, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1280, 720, 13484, 216, 112, 20, 5, 40, 5, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 50, 1280, 720, 16538, 176, 48, 17, 1, 128, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1920, 1080, 5776, 328, 128, 32, 3, 200, 5, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1920, 1200, 5164, 336, 136, 36, 3, 200, 6, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 60, 1400, 1050, 8210, 232, 88, 32, 3, 144, 4, FB_SYNC_VERT_HIGH_ACT, 0, 0}, + {NULL, 75, 1400, 1050, 6398, 248, 104, 42, 3, 144, 4, FB_SYNC_VERT_HIGH_ACT, 0, 0} }; + +static const struct fb_videomode viafb_rb_modes[] = { + {NULL, 60, 1360, 768, 13879, 80, 48, 14, 3, 32, 5, FB_SYNC_HOR_HIGH_ACT, 0, 0}, + {NULL, 60, 1440, 900, 11249, 80, 48, 17, 3, 32, 6, FB_SYNC_HOR_HIGH_ACT, 0, 0}, + {NULL, 60, 1400, 1050, 9892, 80, 48, 23, 3, 32, 4, FB_SYNC_HOR_HIGH_ACT, 0, 0}, + {NULL, 60, 1600, 900, 10226, 80, 48, 18, 3, 32, 5, FB_SYNC_HOR_HIGH_ACT, 0, 0}, + {NULL, 60, 1680, 1050, 8387, 80, 48, 21, 3, 32, 6, FB_SYNC_HOR_HIGH_ACT, 0, 0}, + {NULL, 60, 1920, 1080, 7212, 80, 48, 23, 3, 32, 5, FB_SYNC_HOR_HIGH_ACT, 0, 0}, + {NULL, 60, 1920, 1200, 6488, 80, 48, 26, 3, 32, 6, FB_SYNC_HOR_HIGH_ACT, 0, 0} }; int NUM_TOTAL_CN400_ModeXregs = ARRAY_SIZE(CN400_ModeXregs); int NUM_TOTAL_CN700_ModeXregs = ARRAY_SIZE(CN700_ModeXregs); @@ -863,56 +350,34 @@ int NUM_TOTAL_CLE266_ModeXregs = ARRAY_SIZE(CLE266_ModeXregs); int NUM_TOTAL_PATCH_MODE = ARRAY_SIZE(res_patch_table); -static struct VideoModeTable *get_modes(struct VideoModeTable *vmt, int n, - int hres, int vres) -{ - int i; - - for (i = 0; i < n; i++) - if (vmt[i].mode_array && - vmt[i].crtc[0].crtc.hor_addr == hres && - vmt[i].crtc[0].crtc.ver_addr == vres) - return &viafb_modes[i]; - - return NULL; -} - -static struct crt_mode_table *get_best_mode(struct VideoModeTable *vmt, - int refresh) +static const struct fb_videomode *get_best_mode( + const struct fb_videomode *modes, int n, + int hres, int vres, int refresh) { - struct crt_mode_table *best; + const struct fb_videomode *best = NULL; int i; - if (!vmt) - return NULL; + for (i = 0; i < n; i++) { + if (modes[i].xres != hres || modes[i].yres != vres) + continue; - best = &vmt->crtc[0]; - for (i = 1; i < vmt->mode_array; i++) { - if (abs(vmt->crtc[i].refresh_rate - refresh) - < abs(best->refresh_rate - refresh)) - best = &vmt->crtc[i]; + if (!best || abs(modes[i].refresh - refresh) < + abs(best->refresh - refresh)) + best = &modes[i]; } return best; } -static struct VideoModeTable *viafb_get_mode(int hres, int vres) -{ - return get_modes(viafb_modes, ARRAY_SIZE(viafb_modes), hres, vres); -} - -struct crt_mode_table *viafb_get_best_mode(int hres, int vres, int refresh) +const struct fb_videomode *viafb_get_best_mode(int hres, int vres, int refresh) { - return get_best_mode(viafb_get_mode(hres, vres), refresh); + return get_best_mode(viafb_modes, ARRAY_SIZE(viafb_modes), + hres, vres, refresh); } -static struct VideoModeTable *viafb_get_rb_mode(int hres, int vres) -{ - return get_modes(viafb_rb_modes, ARRAY_SIZE(viafb_rb_modes), hres, - vres); -} - -struct crt_mode_table *viafb_get_best_rb_mode(int hres, int vres, int refresh) +const struct fb_videomode *viafb_get_best_rb_mode(int hres, int vres, + int refresh) { - return get_best_mode(viafb_get_rb_mode(hres, vres), refresh); + return get_best_mode(viafb_rb_modes, ARRAY_SIZE(viafb_rb_modes), + hres, vres, refresh); } diff --git a/drivers/video/via/viamode.h b/drivers/video/via/viamode.h index 5917a2b..dd19106 100644 --- a/drivers/video/via/viamode.h +++ b/drivers/video/via/viamode.h @@ -31,11 +31,6 @@ struct VPITTable { unsigned char AR[StdAR]; }; -struct VideoModeTable { - struct crt_mode_table *crtc; - int mode_array; -}; - struct patch_table { int table_length; struct io_reg *io_reg_table; @@ -60,7 +55,9 @@ extern struct io_reg PM1024x768[]; extern struct patch_table res_patch_table[]; extern struct VPITTable VPIT; -struct crt_mode_table *viafb_get_best_mode(int hres, int vres, int refresh); -struct crt_mode_table *viafb_get_best_rb_mode(int hres, int vres, int refresh); +const struct fb_videomode *viafb_get_best_mode(int hres, int vres, + int refresh); +const struct fb_videomode *viafb_get_best_rb_mode(int hres, int vres, + int refresh); #endif /* __VIAMODE_H__ */ |
