diff options
Diffstat (limited to 'drivers/video/w100fb.c')
| -rw-r--r-- | drivers/video/w100fb.c | 1912 |
1 files changed, 758 insertions, 1154 deletions
diff --git a/drivers/video/w100fb.c b/drivers/video/w100fb.c index adcda69..0030c07 100644 --- a/drivers/video/w100fb.c +++ b/drivers/video/w100fb.c @@ -5,9 +5,15 @@ * * Copyright (C) 2002, ATI Corp. * Copyright (C) 2004-2005 Richard Purdie + * Copyright (c) 2005 Ian Molton * * Rewritten for 2.6 by Richard Purdie <rpurdie@rpsys.net> * + * Generic platform support by Ian Molton <spyro@f2s.com> + * and Richard Purdie <rpurdie@rpsys.net> + * + * w32xx support by Ian Molton + * * 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. @@ -21,7 +27,7 @@ #include <linux/mm.h> #include <linux/device.h> #include <linux/string.h> -#include <linux/proc_fs.h> +#include <linux/vmalloc.h> #include <asm/io.h> #include <asm/uaccess.h> #include <video/w100fb.h> @@ -30,114 +36,78 @@ /* * Prototypes */ -static void w100fb_save_buffer(void); -static void w100fb_clear_buffer(void); -static void w100fb_restore_buffer(void); -static void w100fb_clear_screen(u32 mode, long int offset); -static void w100_resume(void); static void w100_suspend(u32 mode); -static void w100_init_qvga_rotation(u16 deg); -static void w100_init_vga_rotation(u16 deg); static void w100_vsync(void); -static void w100_init_sharp_lcd(u32 mode); -static void w100_pwm_setup(void); -static void w100_InitExtMem(u32 mode); -static void w100_hw_init(void); -static u16 w100_set_fastsysclk(u16 Freq); - -static void lcdtg_hw_init(u32 mode); -static void lcdtg_lcd_change(u32 mode); -static void lcdtg_resume(void); -static void lcdtg_suspend(void); - - -/* Register offsets & lengths */ -#define REMAPPED_FB_LEN 0x15ffff - -#define BITS_PER_PIXEL 16 +static void w100_hw_init(struct w100fb_par*); +static void w100_pwm_setup(struct w100fb_par*); +static void w100_init_clocks(struct w100fb_par*); +static void w100_setup_memory(struct w100fb_par*); +static void w100_init_lcd(struct w100fb_par*); +static void w100_set_dispregs(struct w100fb_par*); +static void w100_update_enable(void); +static void w100_update_disable(void); +static void calc_hsync(struct w100fb_par *par); +struct w100_pll_info *w100_get_xtal_table(unsigned int freq); /* Pseudo palette size */ #define MAX_PALETTES 16 -/* for resolution change */ -#define LCD_MODE_INIT (-1) -#define LCD_MODE_480 0 -#define LCD_MODE_320 1 -#define LCD_MODE_240 2 -#define LCD_MODE_640 3 - -#define LCD_SHARP_QVGA 0 -#define LCD_SHARP_VGA 1 - -#define LCD_MODE_PORTRAIT 0 -#define LCD_MODE_LANDSCAPE 1 - #define W100_SUSPEND_EXTMEM 0 #define W100_SUSPEND_ALL 1 -/* General frame buffer data structures */ -struct w100fb_par { - u32 xres; - u32 yres; - int fastsysclk_mode; - int lcdMode; - int rotation_flag; - int blanking_flag; - int comadj; - int phadadj; -}; - -static struct w100fb_par *current_par; +#define BITS_PER_PIXEL 16 /* Remapped addresses for base cfg, memmapped regs and the frame buffer itself */ static void *remapped_base; static void *remapped_regs; static void *remapped_fbuf; -/* External Function */ -static void(*w100fb_ssp_send)(u8 adrs, u8 data); +#define REMAPPED_FB_LEN 0x15ffff + +/* This is the offset in the w100's address space we map the current + framebuffer memory to. We use the position of external memory as + we can remap internal memory to there if external isn't present. */ +#define W100_FB_BASE MEM_EXT_BASE_VALUE + /* * Sysfs functions */ - -static ssize_t rotation_show(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t flip_show(struct device *dev, struct device_attribute *attr, char *buf) { struct fb_info *info = dev_get_drvdata(dev); struct w100fb_par *par=info->par; - return sprintf(buf, "%d\n",par->rotation_flag); + return sprintf(buf, "%d\n",par->flip); } -static ssize_t rotation_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +static ssize_t flip_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - unsigned int rotate; + unsigned int flip; struct fb_info *info = dev_get_drvdata(dev); struct w100fb_par *par=info->par; - rotate = simple_strtoul(buf, NULL, 10); + flip = simple_strtoul(buf, NULL, 10); + + if (flip > 0) + par->flip = 1; + else + par->flip = 0; - if (rotate > 0) par->rotation_flag = 1; - else par->rotation_flag = 0; + w100_update_disable(); + w100_set_dispregs(par); + w100_update_enable(); - if (par->lcdMode == LCD_MODE_320) - w100_init_qvga_rotation(par->rotation_flag ? 270 : 90); - else if (par->lcdMode == LCD_MODE_240) - w100_init_qvga_rotation(par->rotation_flag ? 180 : 0); - else if (par->lcdMode == LCD_MODE_640) - w100_init_vga_rotation(par->rotation_flag ? 270 : 90); - else if (par->lcdMode == LCD_MODE_480) - w100_init_vga_rotation(par->rotation_flag ? 180 : 0); + calc_hsync(par); return count; } -static DEVICE_ATTR(rotation, 0644, rotation_show, rotation_store); +static DEVICE_ATTR(flip, 0644, flip_show, flip_store); static ssize_t w100fb_reg_read(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - unsigned long param; - unsigned long regs; + unsigned long regs, param; regs = simple_strtoul(buf, NULL, 16); param = readl(remapped_regs + regs); printk("Read Register 0x%08lX: 0x%08lX\n", regs, param); @@ -148,8 +118,7 @@ static DEVICE_ATTR(reg_read, 0200, NULL, w100fb_reg_read); static ssize_t w100fb_reg_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - unsigned long regs; - unsigned long param; + unsigned long regs, param; sscanf(buf, "%lx %lx", ®s, ¶m); if (regs <= 0x2000) { @@ -163,54 +132,56 @@ static ssize_t w100fb_reg_write(struct device *dev, struct device_attribute *att static DEVICE_ATTR(reg_write, 0200, NULL, w100fb_reg_write); -static ssize_t fastsysclk_show(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t fastpllclk_show(struct device *dev, struct device_attribute *attr, char *buf) { struct fb_info *info = dev_get_drvdata(dev); struct w100fb_par *par=info->par; - return sprintf(buf, "%d\n",par->fastsysclk_mode); + return sprintf(buf, "%d\n",par->fastpll_mode); } -static ssize_t fastsysclk_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +static ssize_t fastpllclk_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - int param; struct fb_info *info = dev_get_drvdata(dev); struct w100fb_par *par=info->par; - param = simple_strtoul(buf, NULL, 10); - - if (param == 75) { - printk("Set fastsysclk %d\n", param); - par->fastsysclk_mode = param; - w100_set_fastsysclk(par->fastsysclk_mode); - } else if (param == 100) { - printk("Set fastsysclk %d\n", param); - par->fastsysclk_mode = param; - w100_set_fastsysclk(par->fastsysclk_mode); + if (simple_strtoul(buf, NULL, 10) > 0) { + par->fastpll_mode=1; + printk("w100fb: Using fast system clock (if possible)\n"); + } else { + par->fastpll_mode=0; + printk("w100fb: Using normal system clock\n"); } + + w100_init_clocks(par); + calc_hsync(par); + return count; } -static DEVICE_ATTR(fastsysclk, 0644, fastsysclk_show, fastsysclk_store); +static DEVICE_ATTR(fastpllclk, 0644, fastpllclk_show, fastpllclk_store); /* - * The touchscreen on this device needs certain information - * from the video driver to function correctly. We export it here. + * Some touchscreens need hsync information from the video driver to + * function correctly. We export it here. */ -int w100fb_get_xres(void) { - return current_par->xres; -} +unsigned long w100fb_get_hsynclen(struct device *dev) +{ + struct fb_info *info = dev_get_drvdata(dev); + struct w100fb_par *par=info->par; -int w100fb_get_blanking(void) { - return current_par->blanking_flag; + /* If display is blanked/suspended, hsync isn't active */ + if (par->blanked) + return 0; + else + return par->hsync_len; } +EXPORT_SYMBOL(w100fb_get_hsynclen); -int w100fb_get_fastsysclk(void) { - return current_par->fastsysclk_mode; +static void w100fb_clear_screen(struct w100fb_par *par) +{ + memset_io(remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE), 0, (par->xres * par->yres * BITS_PER_PIXEL/8)); } -EXPORT_SYMBOL(w100fb_get_xres); -EXPORT_SYMBOL(w100fb_get_blanking); -EXPORT_SYMBOL(w100fb_get_fastsysclk); /* @@ -234,7 +205,6 @@ static int w100fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, * according to the RGB bitfield information. */ if (regno < MAX_PALETTES) { - u32 *pal = info->pseudo_palette; val = (red & 0xf800) | ((green & 0xfc00) >> 5) | ((blue & 0xf800) >> 11); @@ -250,115 +220,90 @@ static int w100fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, */ static int w100fb_blank(int blank_mode, struct fb_info *info) { - struct w100fb_par *par; - par=info->par; + struct w100fb_par *par = info->par; + struct w100_tg_info *tg = par->mach->tg; switch(blank_mode) { - case FB_BLANK_NORMAL: /* Normal blanking */ - case FB_BLANK_VSYNC_SUSPEND: /* VESA blank (vsync off) */ - case FB_BLANK_HSYNC_SUSPEND: /* VESA blank (hsync off) */ - case FB_BLANK_POWERDOWN: /* Poweroff */ - if (par->blanking_flag == 0) { - w100fb_save_buffer(); - lcdtg_suspend(); - par->blanking_flag = 1; + case FB_BLANK_NORMAL: /* Normal blanking */ + case FB_BLANK_VSYNC_SUSPEND: /* VESA blank (vsync off) */ + case FB_BLANK_HSYNC_SUSPEND: /* VESA blank (hsync off) */ + case FB_BLANK_POWERDOWN: /* Poweroff */ + if (par->blanked == 0) { + if(tg && tg->suspend) + tg->suspend(par); + par->blanked = 1; } break; case FB_BLANK_UNBLANK: /* Unblanking */ - if (par->blanking_flag != 0) { - w100fb_restore_buffer(); - lcdtg_resume(); - par->blanking_flag = 0; + if (par->blanked != 0) { + if(tg && tg->resume) + tg->resume(par); + par->blanked = 0; } break; } return 0; } + /* * Change the resolution by calling the appropriate hardware functions */ -static void w100fb_changeres(int rotate_mode, u32 mode) +static void w100fb_activate_var(struct w100fb_par *par) { - u16 rotation=0; - - switch(rotate_mode) { - case LCD_MODE_LANDSCAPE: - rotation=(current_par->rotation_flag ? 270 : 90); - break; - case LCD_MODE_PORTRAIT: - rotation=(current_par->rotation_flag ? 180 : 0); - break; - } + struct w100_tg_info *tg = par->mach->tg; - w100_pwm_setup(); - switch(mode) { - case LCD_SHARP_QVGA: - w100_vsync(); - w100_suspend(W100_SUSPEND_EXTMEM); - w100_init_sharp_lcd(LCD_SHARP_QVGA); - w100_init_qvga_rotation(rotation); - w100_InitExtMem(LCD_SHARP_QVGA); - w100fb_clear_screen(LCD_SHARP_QVGA, 0); - lcdtg_lcd_change(LCD_SHARP_QVGA); - break; - case LCD_SHARP_VGA: - w100fb_clear_screen(LCD_SHARP_QVGA, 0); - writel(0xBFFFA000, remapped_regs + mmMC_EXT_MEM_LOCATION); - w100_InitExtMem(LCD_SHARP_VGA); - w100fb_clear_screen(LCD_SHARP_VGA, 0x200000); - w100_vsync(); - w100_init_sharp_lcd(LCD_SHARP_VGA); - if (rotation != 0) - w100_init_vga_rotation(rotation); - lcdtg_lcd_change(LCD_SHARP_VGA); - break; - } + w100_pwm_setup(par); + w100_setup_memory(par); + w100_init_clocks(par); + w100fb_clear_screen(par); + w100_vsync(); + + w100_update_disable(); + w100_init_lcd(par); + w100_set_dispregs(par); + w100_update_enable(); + + calc_hsync(par); + + if (!par->blanked && tg && tg->change) + tg->change(par); } -/* - * Set up the display for the fb subsystem + +/* Select the smallest mode that allows the desired resolution to be + * displayed. If desired, the x and y parameters can be rounded up to + * match the selected mode. */ -static void w100fb_activate_var(struct fb_info *info) +static struct w100_mode *w100fb_get_mode(struct w100fb_par *par, unsigned int *x, unsigned int *y, int saveval) { - u32 temp32; - struct w100fb_par *par=info->par; - struct fb_var_screeninfo *var = &info->var; + struct w100_mode *mode = NULL; + struct w100_mode *modelist = par->mach->modelist; + unsigned int best_x = 0xffffffff, best_y = 0xffffffff; + unsigned int i; + + for (i = 0 ; i < par->mach->num_modes ; i++) { + if (modelist[i].xres >= *x && modelist[i].yres >= *y && + modelist[i].xres < best_x && modelist[i].yres < best_y) { + best_x = modelist[i].xres; + best_y = modelist[i].yres; + mode = &modelist[i]; + } else if(modelist[i].xres >= *y && modelist[i].yres >= *x && + modelist[i].xres < best_y && modelist[i].yres < best_x) { + best_x = modelist[i].yres; + best_y = modelist[i].xres; + mode = &modelist[i]; + } + } - /* Set the hardware to 565 */ - temp32 = readl(remapped_regs + mmDISP_DEBUG2); - temp32 &= 0xff7fffff; - temp32 |= 0x00800000; - writel(temp32, remapped_regs + mmDISP_DEBUG2); + if (mode && saveval) { + *x = best_x; + *y = best_y; + } - if (par->lcdMode == LCD_MODE_INIT) { - w100_init_sharp_lcd(LCD_SHARP_VGA); - w100_init_vga_rotation(par->rotation_flag ? 270 : 90); - par->lcdMode = LCD_MODE_640; - lcdtg_hw_init(LCD_SHARP_VGA); - } else if (var->xres == 320 && var->yres == 240) { - if (par->lcdMode != LCD_MODE_320) { - w100fb_changeres(LCD_MODE_LANDSCAPE, LCD_SHARP_QVGA); - par->lcdMode = LCD_MODE_320; - } - } else if (var->xres == 240 && var->yres == 320) { - if (par->lcdMode != LCD_MODE_240) { - w100fb_changeres(LCD_MODE_PORTRAIT, LCD_SHARP_QVGA); - par->lcdMode = LCD_MODE_240; - } - } else if (var->xres == 640 && var->yres == 480) { - if (par->lcdMode != LCD_MODE_640) { - w100fb_changeres(LCD_MODE_LANDSCAPE, LCD_SHARP_VGA); - par->lcdMode = LCD_MODE_640; - } - } else if (var->xres == 480 && var->yres == 640) { - if (par->lcdMode != LCD_MODE_480) { - w100fb_changeres(LCD_MODE_PORTRAIT, LCD_SHARP_VGA); - par->lcdMode = LCD_MODE_480; - } - } else printk(KERN_ERR "W100FB: Resolution error!\n"); + return mode; } @@ -366,31 +311,19 @@ static void w100fb_activate_var(struct fb_info *info) * w100fb_check_var(): * Get the video params out of 'var'. If a value doesn't fit, round it up, * if it's too big, return -EINVAL. - * */ static int w100fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { - if (var->xres < var->yres) { /* Portrait mode */ - if ((var->xres > 480) || (var->yres > 640)) { - return -EINVAL; - } else if ((var->xres > 240) || (var->yres > 320)) { - var->xres = 480; - var->yres = 640; - } else { - var->xres = 240; - var->yres = 320; - } - } else { /* Landscape mode */ - if ((var->xres > 640) || (var->yres > 480)) { - return -EINVAL; - } else if ((var->xres > 320) || (var->yres > 240)) { - var->xres = 640; - var->yres = 480; - } else { - var->xres = 320; - var->yres = 240; - } - } + struct w100fb_par *par=info->par; + + if(!w100fb_get_mode(par, &var->xres, &var->yres, 1)) + return -EINVAL; + + if (par->mach->mem && ((var->xres*var->yres*BITS_PER_PIXEL/8) > (par->mach->mem->size+1))) + return -EINVAL; + + if (!par->mach->mem && ((var->xres*var->yres*BITS_PER_PIXEL/8) > (MEM_INT_SIZE+1))) + return -EINVAL; var->xres_virtual = max(var->xres_virtual, var->xres); var->yres_virtual = max(var->yres_virtual, var->yres); @@ -409,13 +342,11 @@ static int w100fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) var->transp.offset = var->transp.length = 0; var->nonstd = 0; - var->height = -1; var->width = -1; var->vmode = FB_VMODE_NONINTERLACED; - var->sync = 0; - var->pixclock = 0x04; /* 171521; */ + var->pixclock = 0x04; /* 171521; */ return 0; } @@ -430,274 +361,286 @@ static int w100fb_set_par(struct fb_info *info) { struct w100fb_par *par=info->par; - par->xres = info->var.xres; - par->yres = info->var.yres; - - info->fix.visual = FB_VISUAL_TRUECOLOR; - - info->fix.ypanstep = 0; - info->fix.ywrapstep = 0; + if (par->xres != info->var.xres || par->yres != info->var.yres) { + par->xres = info->var.xres; + par->yres = info->var.yres; + par->mode = w100fb_get_mode(par, &par->xres, &par->yres, 0); - if (par->blanking_flag) - w100fb_clear_buffer(); + info->fix.visual = FB_VISUAL_TRUECOLOR; + info->fix.ypanstep = 0; + info->fix.ywrapstep = 0; + info->fix.line_length = par->xres * BITS_PER_PIXEL / 8; - w100fb_activate_var(info); + if ((par->xres*par->yres*BITS_PER_PIXEL/8) > (MEM_INT_SIZE+1)) { + par->extmem_active = 1; + info->fix.smem_len = par->mach->mem->size+1; + } else { + par->extmem_active = 0; + info->fix.smem_len = MEM_INT_SIZE+1; + } - if (par->lcdMode == LCD_MODE_480) { - info->fix.line_length = (480 * BITS_PER_PIXEL) / 8; - info->fix.smem_len = 0x200000; - } else if (par->lcdMode == LCD_MODE_320) { - info->fix.line_length = (320 * BITS_PER_PIXEL) / 8; - info->fix.smem_len = 0x60000; - } else if (par->lcdMode == LCD_MODE_240) { - info->fix.line_length = (240 * BITS_PER_PIXEL) / 8; - info->fix.smem_len = 0x60000; - } else if (par->lcdMode == LCD_MODE_INIT || par->lcdMode == LCD_MODE_640) { - info->fix.line_length = (640 * BITS_PER_PIXEL) / 8; - info->fix.smem_len = 0x200000; + w100fb_activate_var(par); } - return 0; } /* - * Frame buffer operations + * Frame buffer operations */ static struct fb_ops w100fb_ops = { - .owner = THIS_MODULE, + .owner = THIS_MODULE, .fb_check_var = w100fb_check_var, - .fb_set_par = w100fb_set_par, + .fb_set_par = w100fb_set_par, .fb_setcolreg = w100fb_setcolreg, - .fb_blank = w100fb_blank, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, + .fb_blank = w100fb_blank, + .fb_fillrect = cfb_fillrect, + .fb_copyarea = cfb_copyarea, .fb_imageblit = cfb_imageblit, - .fb_cursor = soft_cursor, + .fb_cursor = soft_cursor, }; - -static void w100fb_clear_screen(u32 mode, long int offset) +#ifdef CONFIG_PM +static void w100fb_save_vidmem(struct w100fb_par *par) { - int i, numPix = 0; - - if (mode == LCD_SHARP_VGA) - numPix = 640 * 480; - else if (mode == LCD_SHARP_QVGA) - numPix = 320 * 240; + int memsize; - for (i = 0; i < numPix; i++) - writew(0xffff, remapped_fbuf + offset + (2*i)); -} - - -/* Need to split up the buffers to stay within the limits of kmalloc */ -#define W100_BUF_NUM 6 -static uint32_t *gSaveImagePtr[W100_BUF_NUM] = { NULL }; - -static void w100fb_save_buffer(void) -{ - int i, j, bufsize; - - bufsize=(current_par->xres * current_par->yres * BITS_PER_PIXEL / 8) / W100_BUF_NUM; - for (i = 0; i < W100_BUF_NUM; i++) { - if (gSaveImagePtr[i] == NULL) - gSaveImagePtr[i] = kmalloc(bufsize, GFP_KERNEL); - if (gSaveImagePtr[i] == NULL) { - w100fb_clear_buffer(); - printk(KERN_WARNING "can't alloc pre-off image buffer %d\n", i); - break; - } - for (j = 0; j < bufsize/4; j++) - *(gSaveImagePtr[i] + j) = readl(remapped_fbuf + (bufsize*i) + j*4); + if (par->extmem_active) { + memsize=par->mach->mem->size; + par->saved_extmem = vmalloc(memsize); + if (par->saved_extmem) + memcpy_fromio(par->saved_extmem, remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE), memsize); } + memsize=MEM_INT_SIZE; + par->saved_intmem = vmalloc(memsize); + if (par->saved_intmem && par->extmem_active) + memcpy_fromio(par->saved_intmem, remapped_fbuf + (W100_FB_BASE-MEM_INT_BASE_VALUE), memsize); + else if (par->saved_intmem) + memcpy_fromio(par->saved_intmem, remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE), memsize); } - -static void w100fb_restore_buffer(void) +static void w100fb_restore_vidmem(struct w100fb_par *par) { - int i, j, bufsize; + int memsize; - bufsize=(current_par->xres * current_par->yres * BITS_PER_PIXEL / 8) / W100_BUF_NUM; - for (i = 0; i < W100_BUF_NUM; i++) { - if (gSaveImagePtr[i] == NULL) { - printk(KERN_WARNING "can't find pre-off image buffer %d\n", i); - w100fb_clear_buffer(); - break; - } - for (j = 0; j < (bufsize/4); j++) - writel(*(gSaveImagePtr[i] + j),remapped_fbuf + (bufsize*i) + (j*4)); - kfree(gSaveImagePtr[i]); - gSaveImagePtr[i] = NULL; + if (par->extmem_active && par->saved_extmem) { + memsize=par->mach->mem->size; + memcpy_toio(remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE), par->saved_extmem, memsize); + vfree(par->saved_extmem); } -} - - -static void w100fb_clear_buffer(void) -{ - int i; - for (i = 0; i < W100_BUF_NUM; i++) { - kfree(gSaveImagePtr[i]); - gSaveImagePtr[i] = NULL; + if (par->saved_intmem) { + memsize=MEM_INT_SIZE; + if (par->extmem_active) + memcpy_toio(remapped_fbuf + (W100_FB_BASE-MEM_INT_BASE_VALUE), par->saved_intmem, memsize); + else + memcpy_toio(remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE), par->saved_intmem, memsize); + vfree(par->saved_intmem); } } - -#ifdef CONFIG_PM -static int w100fb_suspend(struct device *dev, pm_message_t state, u32 level) +static int w100fb_suspend(struct device *dev, pm_message_t state, uint32_t level) { if (level == SUSPEND_POWER_DOWN) { struct fb_info *info = dev_get_drvdata(dev); struct w100fb_par *par=info->par; + struct w100_tg_info *tg = par->mach->tg; - w100fb_save_buffer(); - lcdtg_suspend(); + w100fb_save_vidmem(par); + if(tg && tg->suspend) + tg->suspend(par); w100_suspend(W100_SUSPEND_ALL); - par->blanking_flag = 1; + par->blanked = 1; } return 0; } -static int w100fb_resume(struct device *dev, u32 level) +static int w100fb_resume(struct device *dev, uint32_t level) { if (level == RESUME_POWER_ON) { struct fb_info *info = dev_get_drvdata(dev); struct w100fb_par *par=info->par; - - w100_resume(); - w100fb_restore_buffer(); - lcdtg_resume(); - par->blanking_flag = 0; + struct w100_tg_info *tg = par->mach->tg; + + w100_hw_init(par); + w100fb_activate_var(par); + w100fb_restore_vidmem(par); + if(tg && tg->resume) + tg->resume(par); + par->blanked = 0; } return 0; } #else -#define w100fb_suspend NULL -#define w100fb_resume NULL +#define w100fb_suspend NULL +#define w100fb_resume NULL #endif int __init w100fb_probe(struct device *dev) { + int err = -EIO; struct w100fb_mach_info *inf; - struct fb_info *info; + struct fb_info *info = NULL; struct w100fb_par *par; struct platform_device *pdev = to_platform_device(dev); struct resource *mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + unsigned int chip_id; if (!mem) return -EINVAL; - /* remap the areas we're going to use */ + /* Remap the chip base address */ remapped_base = ioremap_nocache(mem->start+W100_CFG_BASE, W100_CFG_LEN); if (remapped_base == NULL) - return -EIO; + goto out; + /* Map the register space */ remapped_regs = ioremap_nocache(mem->start+W100_REG_BASE, W100_REG_LEN); - if (remapped_regs == NULL) { - iounmap(remapped_base); - return -EIO; + if (remapped_regs == NULL) + goto out; + + /* Identify the chip */ + printk("Found "); + chip_id = readl(remapped_regs + mmCHIP_ID); + switch(chip_id) { + case CHIP_ID_W100: printk("w100"); break; + case CHIP_ID_W3200: printk("w3200"); break; + case CHIP_ID_W3220: printk("w3220"); break; + default: + printk("Unknown imageon chip ID\n"); + err = -ENODEV; + goto out; } + printk(" at 0x%08lx.\n", mem->start+W100_CFG_BASE); - remapped_fbuf = ioremap_nocache(mem->start+MEM_EXT_BASE_VALUE, REMAPPED_FB_LEN); - if (remapped_fbuf == NULL) { - iounmap(remapped_base); - iounmap(remapped_regs); - return -EIO; - } + /* Remap the framebuffer */ + remapped_fbuf = ioremap_nocache(mem->start+MEM_WINDOW_BASE, MEM_WINDOW_SIZE); + if (remapped_fbuf == NULL) + goto out; info=framebuffer_alloc(sizeof(struct w100fb_par), dev); if (!info) { - iounmap(remapped_base); - iounmap(remapped_regs); - iounmap(remapped_fbuf); - return -ENOMEM; + err = -ENOMEM; + goto out; } - info->device=dev; par = info->par; - current_par=info->par; dev_set_drvdata(dev, info); inf = dev->platform_data; - par->phadadj = inf->phadadj; - par->comadj = inf->comadj; - par->fastsysclk_mode = 75; - par->lcdMode = LCD_MODE_INIT; - par->rotation_flag=0; - par->blanking_flag=0; - w100fb_ssp_send = inf->w100fb_ssp_send; - - w100_hw_init(); - w100_pwm_setup(); + par->chip_id = chip_id; + par->mach = inf; + par->fastpll_mode = 0; + par->blanked = 0; + + par->pll_table=w100_get_xtal_table(inf->xtal_freq); + if (!par->pll_table) { + printk(KERN_ERR "No matching Xtal definition found\n"); + err = -EINVAL; + goto out; + } info->pseudo_palette = kmalloc(sizeof (u32) * MAX_PALETTES, GFP_KERNEL); if (!info->pseudo_palette) { - iounmap(remapped_base); - iounmap(remapped_regs); - iounmap(remapped_fbuf); - return -ENOMEM; + err = -ENOMEM; + goto out; } info->fbops = &w100fb_ops; info->flags = FBINFO_DEFAULT; info->node = -1; - info->screen_base = remapped_fbuf; + info->screen_base = remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE); info->screen_size = REMAPPED_FB_LEN; - info->var.xres = 640; + strcpy(info->fix.id, "w100fb"); + info->fix.type = FB_TYPE_PACKED_PIXELS; + info->fix.type_aux = 0; + info->fix.accel = FB_ACCEL_NONE; + info->fix.smem_start = mem->start+W100_FB_BASE; + info->fix.mmio_start = mem->start+W100_REG_BASE; + info->fix.mmio_len = W100_REG_LEN; + + if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) { + err = -ENOMEM; + goto out; + } + + par->mode = &inf->modelist[0]; + if(inf->init_mode & INIT_MODE_ROTATED) { + info->var.xres = par->mode->yres; + info->var.yres = par->mode->xres; + } + else { + info->var.xres = par->mode->xres; + info->var.yres = par->mode->yres; + } + + if(inf->init_mode &= INIT_MODE_FLIPPED) + par->flip = 1; + else + par->flip = 0; + info->var.xres_virtual = info->var.xres; - info->var.yres = 480; info->var.yres_virtual = info->var.yres; - info->var.pixclock = 0x04; /* 171521; */ + info->var.pixclock = 0x04; /* 171521; */ info->var.sync = 0; info->var.grayscale = 0; info->var.xoffset = info->var.yoffset = 0; info->var.accel_flags = 0; info->var.activate = FB_ACTIVATE_NOW; - strcpy(info->fix.id, "w100fb"); - info->fix.type = FB_TYPE_PACKED_PIXELS; - info->fix.type_aux = 0; - info->fix.accel = FB_ACCEL_NONE; - info->fix.smem_start = mem->start+MEM_EXT_BASE_VALUE; - info->fix.mmio_start = mem->start+W100_REG_BASE; - info->fix.mmio_len = W100_REG_LEN; + w100_hw_init(par); + + if (w100fb_check_var(&info->var, info) < 0) { + err = -EINVAL; + goto out; + } - w100fb_check_var(&info->var, info); w100fb_set_par(info); if (register_framebuffer(info) < 0) { - kfree(info->pseudo_palette); - iounmap(remapped_base); - iounmap(remapped_regs); - iounmap(remapped_fbuf); - return -EINVAL; + err = -EINVAL; + goto out; } - device_create_file(dev, &dev_attr_fastsysclk); + device_create_file(dev, &dev_attr_fastpllclk); device_create_file(dev, &dev_attr_reg_read); device_create_file(dev, &dev_attr_reg_write); - device_create_file(dev, &dev_attr_rotation); + device_create_file(dev, &dev_attr_flip); printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node, info->fix.id); return 0; +out: + fb_dealloc_cmap(&info->cmap); + kfree(info->pseudo_palette); + if (remapped_fbuf != NULL) + iounmap(remapped_fbuf); + if (remapped_regs != NULL) + iounmap(remapped_regs); + if (remapped_base != NULL) + iounmap(remapped_base); + if (info) + framebuffer_release(info); + return err; } static int w100fb_remove(struct device *dev) { struct fb_info *info = dev_get_drvdata(dev); + struct w100fb_par *par=info->par; - device_remove_file(dev, &dev_attr_fastsysclk); + device_remove_file(dev, &dev_attr_fastpllclk); device_remove_file(dev, &dev_attr_reg_read); device_remove_file(dev, &dev_attr_reg_write); - device_remove_file(dev, &dev_attr_rotation); + device_remove_file(dev, &dev_attr_flip); unregister_framebuffer(info); - w100fb_clear_buffer(); + vfree(par->saved_intmem); + vfree(par->saved_extmem); kfree(info->pseudo_palette); + fb_dealloc_cmap(&info->cmap); iounmap(remapped_base); iounmap(remapped_regs); @@ -721,10 +664,54 @@ static void w100_soft_reset(void) udelay(100); } +static void w100_update_disable(void) +{ + union disp_db_buf_cntl_wr_u disp_db_buf_wr_cntl; + + /* Prevent display updates */ + disp_db_buf_wr_cntl.f.db_buf_cntl = 0x1e; + disp_db_buf_wr_cntl.f.update_db_buf = 0; + disp_db_buf_wr_cntl.f.en_db_buf = 0; + writel((u32) (disp_db_buf_wr_cntl.val), remapped_regs + mmDISP_DB_BUF_CNTL); +} + +static void w100_update_enable(void) +{ + union disp_db_buf_cntl_wr_u disp_db_buf_wr_cntl; + + /* Enable display updates */ + disp_db_buf_wr_cntl.f.db_buf_cntl = 0x1e; + disp_db_buf_wr_cntl.f.update_db_buf = 1; + disp_db_buf_wr_cntl.f.en_db_buf = 1; + writel((u32) (disp_db_buf_wr_cntl.val), remapped_regs + mmDISP_DB_BUF_CNTL); +} + +unsigned long w100fb_gpio_read(int port) +{ + unsigned long value; + + if (port==W100_GPIO_PORT_A) + value = readl(remapped_regs + mmGPIO_DATA); + else + value = readl(remapped_regs + mmGPIO_DATA2); + + return value; +} + +void w100fb_gpio_write(int port, unsigned long value) +{ + if (port==W100_GPIO_PORT_A) + value = writel(value, remapped_regs + mmGPIO_DATA); + else + value = writel(value, remapped_regs + mmGPIO_DATA2); +} +EXPORT_SYMBOL(w100fb_gpio_read); +EXPORT_SYMBOL(w100fb_gpio_write); + /* * Initialization of critical w100 hardware */ -static void w100_hw_init(void) +static void w100_hw_init(struct w100fb_par *par) { u32 temp32; union cif_cntl_u cif_cntl; @@ -735,8 +722,8 @@ static void w100_hw_init(void) union cpu_defaults_u cpu_default; union cif_write_dbg_u cif_write_dbg; union wrap_start_dir_u wrap_start_dir; - union mc_ext_mem_location_u mc_ext_mem_loc; union cif_io_u cif_io; + struct w100_gpio_regs *gpio = par->mach->gpio; w100_soft_reset(); @@ -791,19 +778,6 @@ static void w100_hw_init(void) cfgreg_base.f.cfgreg_base = W100_CFG_BASE; writel((u32) (cfgreg_base.val), remapped_regs + mmCFGREG_BASE); - /* This location is relative to internal w100 addresses */ - writel(0x15FF1000, remapped_regs + mmMC_FB_LOCATION); - - mc_ext_mem_loc.val = defMC_EXT_MEM_LOCATION; - mc_ext_mem_loc.f.mc_ext_mem_start = MEM_EXT_BASE_VALUE >> 8; - mc_ext_mem_loc.f.mc_ext_mem_top = MEM_EXT_TOP_VALUE >> 8; - writel((u32) (mc_ext_mem_loc.val), remapped_regs + mmMC_EXT_MEM_LOCATION); - - if ((current_par->lcdMode == LCD_MODE_240) || (current_par->lcdMode == LCD_MODE_320)) - w100_InitExtMem(LCD_SHARP_QVGA); - else - w100_InitExtMem(LCD_SHARP_VGA); - wrap_start_dir.val = defWRAP_START_DIR; wrap_start_dir.f.start_addr = WRAP_BUF_BASE_VALUE >> 1; writel((u32) (wrap_start_dir.val), remapped_regs + mmWRAP_START_DIR); @@ -813,21 +787,24 @@ static void w100_hw_init(void) writel((u32) (wrap_top_dir.val), remapped_regs + mmWRAP_TOP_DIR); writel((u32) 0x2440, remapped_regs + mmRBBM_CNTL); -} + /* Set the hardware to 565 colour */ + temp32 = readl(remapped_regs + mmDISP_DEBUG2); + temp32 &= 0xff7fffff; + temp32 |= 0x00800000; + writel(temp32, remapped_regs + mmDISP_DEBUG2); -/* - * Types - */ + /* Initialise the GPIO lines */ + if (gpio) { + writel(gpio->init_data1, remapped_regs + mmGPIO_DATA); + writel(gpio->init_data2, remapped_regs + mmGPIO_DATA2); + writel(gpio->gpio_dir1, remapped_regs + mmGPIO_CNTL1); + writel(gpio->gpio_oe1, remapped_regs + mmGPIO_CNTL2); + writel(gpio->gpio_dir2, remapped_regs + mmGPIO_CNTL3); + writel(gpio->gpio_oe2, remapped_regs + mmGPIO_CNTL4); + } +} -struct pll_parm { - u16 freq; /* desired Fout for PLL */ - u8 M; - u8 N_int; - u8 N_fac; - u8 tfgoal; - u8 lock_time; -}; struct power_state { union clk_pin_cntl_u clk_pin_cntl; @@ -835,317 +812,275 @@ struct power_state { union pll_cntl_u pll_cntl; union sclk_cntl_u sclk_cntl; union pclk_cntl_u pclk_cntl; - union clk_test_cntl_u clk_test_cntl; union pwrmgt_cntl_u pwrmgt_cntl; - u32 freq; /* Fout for PLL calibration */ - u8 tf100; /* for pll calibration */ - u8 tf80; /* for pll calibration */ - u8 tf20; /* for pll calibration */ - u8 M; /* for pll calibration */ - u8 N_int; /* for pll calibration */ - u8 N_fac; /* for pll calibration */ - u8 lock_time; /* for pll calibration */ - u8 tfgoal; /* for pll calibration */ - u8 auto_mode; /* hardware auto switch? */ - u8 pwm_mode; /* 0 fast, 1 normal/slow */ - u16 fast_sclk; /* fast clk freq */ - u16 norm_sclk; /* slow clk freq */ + int auto_mode; /* system clock auto changing? */ }; -/* - * Global state variables - */ - static struct power_state w100_pwr_state; -/* This table is specific for 12.5MHz ref crystal. */ -static struct pll_parm gPLLTable[] = { - /*freq M N_int N_fac tfgoal lock_time */ - { 50, 0, 1, 0, 0xE0, 56}, /* 50.00 MHz */ - { 75, 0, 5, 0, 0xDE, 37}, /* 75.00 MHz */ - {100, 0, 7, 0, 0xE0, 28}, /* 100.00 MHz */ - {125, 0, 9, 0, 0xE0, 22}, /* 125.00 MHz */ - {150, 0, 11, 0, 0xE0, 17}, /* 150.00 MHz */ - { 0, 0, 0, 0, 0, 0} /* Terminator */ +/* The PLL Fout is determined by (XtalFreq/(M+1)) * ((N_int+1) + (N_fac/8)) */ + +/* 12.5MHz Crystal PLL Table */ +static struct w100_pll_info xtal_12500000[] = { + /*freq M N_int N_fac tfgoal lock_time */ + { 50, 0, 1, 0, 0xe0, 56}, /* 50.00 MHz */ + { 75, 0, 5, 0, 0xde, 37}, /* 75.00 MHz */ + {100, 0, 7, 0, 0xe0, 28}, /* 100.00 MHz */ + {125, 0, 9, 0, 0xe0, 22}, /* 125.00 MHz */ + {150, 0, 11, 0, 0xe0, 17}, /* 150.00 MHz */ + { 0, 0, 0, 0, 0, 0}, /* Terminator */ }; +/* 14.318MHz Crystal PLL Table */ +static struct w100_pll_info xtal_14318000[] = { + /*freq M N_int N_fac tfgoal lock_time */ + { 40, 4, 13, 0, 0xe0, 80}, /* tfgoal guessed */ + { 50, 1, 6, 0, 0xe0, 64}, /* 50.05 MHz */ + { 57, 2, 11, 0, 0xe0, 53}, /* tfgoal guessed */ + { 75, 0, 4, 3, 0xe0, 43}, /* 75.08 MHz */ + {100, 0, 6, 0, 0xe0, 32}, /* 100.10 MHz */ + { 0, 0, 0, 0, 0, 0}, +}; -static u8 w100_pll_get_testcount(u8 testclk_sel) +/* 16MHz Crystal PLL Table */ +static struct w100_pll_info xtal_16000000[] = { + /*freq M N_int N_fac tfgoal lock_time */ + { 72, 1, 8, 0, 0xe0, 48}, /* tfgoal guessed */ + { 95, 1, 10, 7, 0xe0, 38}, /* tfgoal guessed */ + { 96, 1, 11, 0, 0xe0, 36}, /* tfgoal guessed */ + { 0, 0, 0, 0, 0, 0}, +}; + +static struct pll_entries { + int xtal_freq; + struct w100_pll_info *pll_table; +} w100_pll_tables[] = { + { 12500000, &xtal_12500000[0] }, + { 14318000, &xtal_14318000[0] }, + { 16000000, &xtal_16000000[0] }, + { 0 }, +}; + +struct w100_pll_info *w100_get_xtal_table(unsigned int freq) { + struct pll_entries *pll_entry = w100_pll_tables; + + do { + if (freq == pll_entry->xtal_freq) + return pll_entry->pll_table; + pll_entry++; + } while (pll_entry->xtal_freq); + return 0; +} + + +static unsigned int w100_get_testcount(unsigned int testclk_sel) +{ + union clk_test_cntl_u clk_test_cntl; + udelay(5); - w100_pwr_state.clk_test_cntl.f.start_check_freq = 0x0; - w100_pwr_state.clk_test_cntl.f.testclk_sel = testclk_sel; - w100_pwr_state.clk_test_cntl.f.tstcount_rst = 0x1; /*reset test count */ - writel((u32) (w100_pwr_state.clk_test_cntl.val), remapped_regs + mmCLK_TEST_CNTL); - w100_pwr_state.clk_test_cntl.f.tstcount_rst = 0x0; - writel((u32) (w100_pwr_state.clk_test_cntl.val), remapped_regs + mmCLK_TEST_CNTL); + /* Select the test clock source and reset */ + clk_test_cntl.f.start_check_freq = 0x0; + clk_test_cntl.f.testclk_sel = testclk_sel; + clk_test_cntl.f.tstcount_rst = 0x1; /* set reset */ + writel((u32) (clk_test_cntl.val), remapped_regs + mmCLK_TEST_CNTL); - w100_pwr_state.clk_test_cntl.f.start_check_freq = 0x1; - writel((u32) (w100_pwr_state.clk_test_cntl.val), remapped_regs + mmCLK_TEST_CNTL); + clk_test_cntl.f.tstcount_rst = 0x0; /* clear reset */ + writel((u32) (clk_test_cntl.val), remapped_regs + mmCLK_TEST_CNTL); + /* Run clock test */ + clk_test_cntl.f.start_check_freq = 0x1; + writel((u32) (clk_test_cntl.val), remapped_regs + mmCLK_TEST_CNTL); + + /* Give the test time to complete */ udelay(20); - w100_pwr_state.clk_test_cntl.val = readl(remapped_regs + mmCLK_TEST_CNTL); - w100_pwr_state.clk_test_cntl.f.start_check_freq = 0x0; - writel((u32) (w100_pwr_state.clk_test_cntl.val), remapped_regs + mmCLK_TEST_CNTL); + /* Return the result */ + clk_test_cntl.val = readl(remapped_regs + mmCLK_TEST_CNTL); + clk_test_cntl.f.start_check_freq = 0x0; + writel((u32) (clk_test_cntl.val), remapped_regs + mmCLK_TEST_CNTL); - return w100_pwr_state.clk_test_cntl.f.test_count; + return clk_test_cntl.f.test_count; } -static u8 w100_pll_adjust(void) +static int w100_pll_adjust(struct w100_pll_info *pll) { + unsigned int tf80; + unsigned int tf20; + + /* Initial Settings */ + w100_pwr_state.pll_cntl.f.pll_pwdn = 0x0; /* power down */ + w100_pwr_state.pll_cntl.f.pll_reset = 0x0; /* not reset */ + w100_pwr_state.pll_cntl.f.pll_tcpoff = 0x1; /* Hi-Z */ + w100_pwr_state.pll_cntl.f.pll_pvg = 0x0; /* VCO gain = 0 */ + w100_pwr_state.pll_cntl.f.pll_vcofr = 0x0; /* VCO frequency range control = off */ + w100_pwr_state.pll_cntl.f.pll_ioffset = 0x0; /* current offset inside VCO = 0 */ + w100_pwr_state.pll_cntl.f.pll_ring_off = 0x0; + + /* Wai Ming 80 percent of VDD 1.3V gives 1.04V, minimum operating voltage is 1.08V + * therefore, commented out the following lines + * tf80 meant tf100 + */ do { - /* Wai Ming 80 percent of VDD 1.3V gives 1.04V, minimum operating voltage is 1.08V - * therefore, commented out the following lines - * tf80 meant tf100 - * set VCO input = 0.8 * VDD - */ + /* set VCO input = 0.8 * VDD */ w100_pwr_state.pll_cntl.f.pll_dactal = 0xd; writel((u32) (w100_pwr_state.pll_cntl.val), remapped_regs + mmPLL_CNTL); - w100_pwr_state.tf80 = w100_pll_get_testcount(0x1); /* PLLCLK */ - if (w100_pwr_state.tf80 >= (w100_pwr_state.tfgoal)) { + tf80 = w100_get_testcount(TESTCLK_SRC_PLL); + if (tf80 >= (pll->tfgoal)) { /* set VCO input = 0.2 * VDD */ w100_pwr_state.pll_cntl.f.pll_dactal = 0x7; writel((u32) (w100_pwr_state.pll_cntl.val), remapped_regs + mmPLL_CNTL); - w100_pwr_state.tf20 = w100_pll_get_testcount(0x1); /* PLLCLK */ - if (w100_pwr_state.tf20 <= (w100_pwr_state.tfgoal)) - return 1; // Success + tf20 = w100_get_testcount(TESTCLK_SRC_PLL); + if (tf20 <= (pll->tfgoal)) + return 1; /* Success */ if ((w100_pwr_state.pll_cntl.f.pll_vcofr == 0x0) && - ((w100_pwr_state.pll_cntl.f.pll_pvg == 0x7) || - (w100_pwr_state.pll_cntl.f.pll_ioffset == 0x0))) { + ((w100_pwr_state.pll_cntl.f.pll_pvg == 0x7) || + (w100_pwr_state.pll_cntl.f.pll_ioffset == 0x0))) { /* slow VCO config */ w100_pwr_state.pll_cntl.f.pll_vcofr = 0x1; w100_pwr_state.pll_cntl.f.pll_pvg = 0x0; w100_pwr_state.pll_cntl.f.pll_ioffset = 0x0; - writel((u32) (w100_pwr_state.pll_cntl.val), - remapped_regs + mmPLL_CNTL); continue; } } if ((w100_pwr_state.pll_cntl.f.pll_ioffset) < 0x3) { w100_pwr_state.pll_cntl.f.pll_ioffset += 0x1; - writel((u32) (w100_pwr_state.pll_cntl.val), remapped_regs + mmPLL_CNTL); - continue; - } - if ((w100_pwr_state.pll_cntl.f.pll_pvg) < 0x7) { + } else if ((w100_pwr_state.pll_cntl.f.pll_pvg) < 0x7) { w100_pwr_state.pll_cntl.f.pll_ioffset = 0x0; w100_pwr_state.pll_cntl.f.pll_pvg += 0x1; - writel((u32) (w100_pwr_state.pll_cntl.val), remapped_regs + mmPLL_CNTL); - continue; + } else { + return 0; /* Error */ } - return 0; // error } while(1); } /* * w100_pll_calibration - * freq = target frequency of the PLL - * (note: crystal = 14.3MHz) */ -static u8 w100_pll_calibration(u32 freq) +static int w100_pll_calibration(struct w100_pll_info *pll) { - u8 status; - - /* initial setting */ - w100_pwr_state.pll_cntl.f.pll_pwdn = 0x0; /* power down */ - w100_pwr_state.pll_cntl.f.pll_reset = 0x0; /* not reset */ - w100_pwr_state.pll_cntl.f.pll_tcpoff = 0x1; /* Hi-Z */ - w100_pwr_state.pll_cntl.f.pll_pvg = 0x0; /* VCO gain = 0 */ - w100_pwr_state.pll_cntl.f.pll_vcofr = 0x0; /* VCO frequency range control = off */ - w100_pwr_state.pll_cntl.f.pll_ioffset = 0x0; /* current offset inside VCO = 0 */ - w100_pwr_state.pll_cntl.f.pll_ring_off = 0x0; - writel((u32) (w100_pwr_state.pll_cntl.val), remapped_regs + mmPLL_CNTL); + int status; - /* check for (tf80 >= tfgoal) && (tf20 =< tfgoal) */ - if ((w100_pwr_state.tf80 < w100_pwr_state.tfgoal) || (w100_pwr_state.tf20 > w100_pwr_state.tfgoal)) { - status=w100_pll_adjust(); - } - /* PLL Reset And Lock */ + status = w100_pll_adjust(pll); + /* PLL Reset And Lock */ /* set VCO input = 0.5 * VDD */ w100_pwr_state.pll_cntl.f.pll_dactal = 0xa; writel((u32) (w100_pwr_state.pll_cntl.val), remapped_regs + mmPLL_CNTL); - /* reset time */ - udelay(1); + udelay(1); /* reset time */ /* enable charge pump */ - w100_pwr_state.pll_cntl.f.pll_tcpoff = 0x0; /* normal */ + w100_pwr_state.pll_cntl.f.pll_tcpoff = 0x0; /* normal */ writel((u32) (w100_pwr_state.pll_cntl.val), remapped_regs + mmPLL_CNTL); - /* set VCO input = Hi-Z */ - /* disable DAC */ + /* set VCO input = Hi-Z, disable DAC */ w100_pwr_state.pll_cntl.f.pll_dactal = 0x0; writel((u32) (w100_pwr_state.pll_cntl.val), remapped_regs + mmPLL_CNTL); - /* lock time */ - udelay(400); /* delay 400 us */ + udelay(400); /* lock time */ /* PLL locked */ - w100_pwr_state.sclk_cntl.f.sclk_src_sel = 0x1; /* PLL clock */ - writel((u32) (w100_pwr_state.sclk_cntl.val), remapped_regs + mmSCLK_CNTL); - - w100_pwr_state.tf100 = w100_pll_get_testcount(0x1); /* PLLCLK */ - return status; } -static u8 w100_pll_set_clk(void) +static int w100_pll_set_clk(struct w100_pll_info *pll) { - u8 status; + int status; - if (w100_pwr_state.auto_mode == 1) /* auto mode */ + if (w100_pwr_state.auto_mode == 1) /* auto mode */ { - w100_pwr_state.pwrmgt_cntl.f.pwm_fast_noml_hw_en = 0x0; /* disable fast to normal */ - w100_pwr_state.pwrmgt_cntl.f.pwm_noml_fast_hw_en = 0x0; /* disable normal to fast */ + w100_pwr_state.pwrmgt_cntl.f.pwm_fast_noml_hw_en = 0x0; /* disable fast to normal */ + w100_pwr_state.pwrmgt_cntl.f.pwm_noml_fast_hw_en = 0x0; /* disable normal to fast */ writel((u32) (w100_pwr_state.pwrmgt_cntl.val), remapped_regs + mmPWRMGT_CNTL); } - w100_pwr_state.sclk_cntl.f.sclk_src_sel = 0x0; /* crystal clock */ + /* Set system clock source to XTAL whilst adjusting the PLL! */ + w100_pwr_state.sclk_cntl.f.sclk_src_sel = CLK_SRC_XTAL; writel((u32) (w100_pwr_state.sclk_cntl.val), remapped_regs + mmSCLK_CNTL); - w100_pwr_state.pll_ref_fb_div.f.pll_ref_div = w100_pwr_state.M; - w100_pwr_state.pll_ref_fb_div.f.pll_fb_div_int = w100_pwr_state.N_int; - w100_pwr_state.pll_ref_fb_div.f.pll_fb_div_frac = w100_pwr_state.N_fac; - w100_pwr_state.pll_ref_fb_div.f.pll_lock_time = w100_pwr_state.lock_time; + w100_pwr_state.pll_ref_fb_div.f.pll_ref_div = pll->M; + w100_pwr_state.pll_ref_fb_div.f.pll_fb_div_int = pll->N_int; + w100_pwr_state.pll_ref_fb_div.f.pll_fb_div_frac = pll->N_fac; + w100_pwr_state.pll_ref_fb_div.f.pll_lock_time = pll->lock_time; writel((u32) (w100_pwr_state.pll_ref_fb_div.val), remapped_regs + mmPLL_REF_FB_DIV); w100_pwr_state.pwrmgt_cntl.f.pwm_mode_req = 0; writel((u32) (w100_pwr_state.pwrmgt_cntl.val), remapped_regs + mmPWRMGT_CNTL); - status = w100_pll_calibration (w100_pwr_state.freq); + status = w100_pll_calibration(pll); - if (w100_pwr_state.auto_mode == 1) /* auto mode */ + if (w100_pwr_state.auto_mode == 1) /* auto mode */ { - w100_pwr_state.pwrmgt_cntl.f.pwm_fast_noml_hw_en = 0x1; /* reenable fast to normal */ - w100_pwr_state.pwrmgt_cntl.f.pwm_noml_fast_hw_en = 0x1; /* reenable normal to fast */ + w100_pwr_state.pwrmgt_cntl.f.pwm_fast_noml_hw_en = 0x1; /* reenable fast to normal */ + w100_pwr_state.pwrmgt_cntl.f.pwm_noml_fast_hw_en = 0x1; /* reenable normal to fast */ writel((u32) (w100_pwr_state.pwrmgt_cntl.val), remapped_regs + mmPWRMGT_CNTL); } return status; } - -/* assume reference crystal clk is 12.5MHz, - * and that doubling is not enabled. - * - * Freq = 12 == 12.5MHz. - */ -static u16 w100_set_slowsysclk(u16 freq) -{ - if (w100_pwr_state.norm_sclk == freq) - return freq; - - if (w100_pwr_state.auto_mode == 1) /* auto mode */ - return 0; - - if (freq == 12) { - w100_pwr_state.norm_sclk = freq; - w100_pwr_state.sclk_cntl.f.sclk_post_div_slow = 0x0; /* Pslow = 1 */ - w100_pwr_state.sclk_cntl.f.sclk_src_sel = 0x0; /* crystal src */ - - writel((u32) (w100_pwr_state.sclk_cntl.val), remapped_regs + mmSCLK_CNTL); - - w100_pwr_state.clk_pin_cntl.f.xtalin_pm_en = 0x1; - writel((u32) (w100_pwr_state.clk_pin_cntl.val), remapped_regs + mmCLK_PIN_CNTL); - - w100_pwr_state.pwrmgt_cntl.f.pwm_enable = 0x1; - w100_pwr_state.pwrmgt_cntl.f.pwm_mode_req = 0x1; - writel((u32) (w100_pwr_state.pwrmgt_cntl.val), remapped_regs + mmPWRMGT_CNTL); - w100_pwr_state.pwm_mode = 1; /* normal mode */ - return freq; - } else - return 0; -} - - -static u16 w100_set_fastsysclk(u16 freq) +/* freq = target frequency of the PLL */ +static int w100_set_pll_freq(struct w100fb_par *par, unsigned int freq) { - u16 pll_freq; - int i; - - while(1) { - pll_freq = (u16) (freq * (w100_pwr_state.sclk_cntl.f.sclk_post_div_fast + 1)); - i = 0; - do { - if (pll_freq == gPLLTable[i].freq) { - w100_pwr_state.freq = gPLLTable[i].freq * 1000000; - w100_pwr_state.M = gPLLTable[i].M; - w100_pwr_state.N_int = gPLLTable[i].N_int; - w100_pwr_state.N_fac = gPLLTable[i].N_fac; - w100_pwr_state.tfgoal = gPLLTable[i].tfgoal; - w100_pwr_state.lock_time = gPLLTable[i].lock_time; - w100_pwr_state.tf20 = 0xff; /* set highest */ - w100_pwr_state.tf80 = 0x00; /* set lowest */ - - w100_pll_set_clk(); - w100_pwr_state.pwm_mode = 0; /* fast mode */ - w100_pwr_state.fast_sclk = freq; - return freq; - } - i++; - } while(gPLLTable[i].freq); + struct w100_pll_info *pll = par->pll_table; - if (w100_pwr_state.auto_mode == 1) - break; - - if (w100_pwr_state.sclk_cntl.f.sclk_post_div_fast == 0) - break; - - w100_pwr_state.sclk_cntl.f.sclk_post_div_fast -= 1; - writel((u32) (w100_pwr_state.sclk_cntl.val), remapped_regs + mmSCLK_CNTL); - } + do { + if (freq == pll->freq) { + return w100_pll_set_clk(pll); + } + pll++; + } while(pll->freq); return 0; } - /* Set up an initial state. Some values/fields set here will be overwritten. */ -static void w100_pwm_setup(void) +static void w100_pwm_setup(struct w100fb_par *par) { w100_pwr_state.clk_pin_cntl.f.osc_en = 0x1; w100_pwr_state.clk_pin_cntl.f.osc_gain = 0x1f; w100_pwr_state.clk_pin_cntl.f.dont_use_xtalin = 0x0; w100_pwr_state.clk_pin_cntl.f.xtalin_pm_en = 0x0; - w100_pwr_state.clk_pin_cntl.f.xtalin_dbl_en = 0x0; /* no freq doubling */ + w100_pwr_state.clk_pin_cntl.f.xtalin_dbl_en = par->mach->xtal_dbl ? 1 : 0; w100_pwr_state.clk_pin_cntl.f.cg_debug = 0x0; writel((u32) (w100_pwr_state.clk_pin_cntl.val), remapped_regs + mmCLK_PIN_CNTL); - w100_pwr_state.sclk_cntl.f.sclk_src_sel = 0x0; /* Crystal Clk */ - w100_pwr_state.sclk_cntl.f.sclk_post_div_fast = 0x0; /* Pfast = 1 */ + w100_pwr_state.sclk_cntl.f.sclk_src_sel = CLK_SRC_XTAL; + w100_pwr_state.sclk_cntl.f.sclk_post_div_fast = 0x0; /* Pfast = 1 */ w100_pwr_state.sclk_cntl.f.sclk_clkon_hys = 0x3; - w100_pwr_state.sclk_cntl.f.sclk_post_div_slow = 0x0; /* Pslow = 1 */ + w100_pwr_state.sclk_cntl.f.sclk_post_div_slow = 0x0; /* Pslow = 1 */ w100_pwr_state.sclk_cntl.f.disp_cg_ok2switch_en = 0x0; - w100_pwr_state.sclk_cntl.f.sclk_force_reg = 0x0; /* Dynamic */ - w100_pwr_state.sclk_cntl.f.sclk_force_disp = 0x0; /* Dynamic */ - w100_pwr_state.sclk_cntl.f.sclk_force_mc = 0x0; /* Dynamic */ - w100_pwr_state.sclk_cntl.f.sclk_force_extmc = 0x0; /* Dynamic */ - w100_pwr_state.sclk_cntl.f.sclk_force_cp = 0x0; /* Dynamic */ - w100_pwr_state.sclk_cntl.f.sclk_force_e2 = 0x0; /* Dynamic */ - w100_pwr_state.sclk_cntl.f.sclk_force_e3 = 0x0; /* Dynamic */ - w100_pwr_state.sclk_cntl.f.sclk_force_idct = 0x0; /* Dynamic */ - w100_pwr_state.sclk_cntl.f.sclk_force_bist = 0x0; /* Dynamic */ + w100_pwr_state.sclk_cntl.f.sclk_force_reg = 0x0; /* Dynamic */ + w100_pwr_state.sclk_cntl.f.sclk_force_disp = 0x0; /* Dynamic */ + w100_pwr_state.sclk_cntl.f.sclk_force_mc = 0x0; /* Dynamic */ + w100_pwr_state.sclk_cntl.f.sclk_force_extmc = 0x0; /* Dynamic */ + w100_pwr_state.sclk_cntl.f.sclk_force_cp = 0x0; /* Dynamic */ + w100_pwr_state.sclk_cntl.f.sclk_force_e2 = 0x0; /* Dynamic */ + w100_pwr_state.sclk_cntl.f.sclk_force_e3 = 0x0; /* Dynamic */ + w100_pwr_state.sclk_cntl.f.sclk_force_idct = 0x0; /* Dynamic */ + w100_pwr_state.sclk_cntl.f.sclk_force_bist = 0x0; /* Dynamic */ w100_pwr_state.sclk_cntl.f.busy_extend_cp = 0x0; w100_pwr_state.sclk_cntl.f.busy_extend_e2 = 0x0; w100_pwr_state.sclk_cntl.f.busy_extend_e3 = 0x0; w100_pwr_state.sclk_cntl.f.busy_extend_idct = 0x0; writel((u32) (w100_pwr_state.sclk_cntl.val), remapped_regs + mmSCLK_CNTL); - w100_pwr_state.pclk_cntl.f.pclk_src_sel = 0x0; /* Crystal Clk */ - w100_pwr_state.pclk_cntl.f.pclk_post_div = 0x1; /* P = 2 */ - w100_pwr_state.pclk_cntl.f.pclk_force_disp = 0x0; /* Dynamic */ + w100_pwr_state.pclk_cntl.f.pclk_src_sel = CLK_SRC_XTAL; + w100_pwr_state.pclk_cntl.f.pclk_post_div = 0x1; /* P = 2 */ + w100_pwr_state.pclk_cntl.f.pclk_force_disp = 0x0; /* Dynamic */ writel((u32) (w100_pwr_state.pclk_cntl.val), remapped_regs + mmPCLK_CNTL); - w100_pwr_state.pll_ref_fb_div.f.pll_ref_div = 0x0; /* M = 1 */ - w100_pwr_state.pll_ref_fb_div.f.pll_fb_div_int = 0x0; /* N = 1.0 */ + w100_pwr_state.pll_ref_fb_div.f.pll_ref_div = 0x0; /* M = 1 */ + w100_pwr_state.pll_ref_fb_div.f.pll_fb_div_int = 0x0; /* N = 1.0 */ w100_pwr_state.pll_ref_fb_div.f.pll_fb_div_frac = 0x0; w100_pwr_state.pll_ref_fb_div.f.pll_reset_time = 0x5; w100_pwr_state.pll_ref_fb_div.f.pll_lock_time = 0xff; @@ -1154,7 +1089,7 @@ static void w100_pwm_setup(void) w100_pwr_state.pll_cntl.f.pll_pwdn = 0x1; w100_pwr_state.pll_cntl.f.pll_reset = 0x1; w100_pwr_state.pll_cntl.f.pll_pm_en = 0x0; - w100_pwr_state.pll_cntl.f.pll_mode = 0x0; /* uses VCO clock */ + w100_pwr_state.pll_cntl.f.pll_mode = 0x0; /* uses VCO clock */ w100_pwr_state.pll_cntl.f.pll_refclk_sel = 0x0; w100_pwr_state.pll_cntl.f.pll_fbclk_sel = 0x0; w100_pwr_state.pll_cntl.f.pll_tcpoff = 0x0; @@ -1164,220 +1099,275 @@ static void w100_pwm_setup(void) w100_pwr_state.pll_cntl.f.pll_ioffset = 0x0; w100_pwr_state.pll_cntl.f.pll_pecc_mode = 0x0; w100_pwr_state.pll_cntl.f.pll_pecc_scon = 0x0; - w100_pwr_state.pll_cntl.f.pll_dactal = 0x0; /* Hi-Z */ + w100_pwr_state.pll_cntl.f.pll_dactal = 0x0; /* Hi-Z */ w100_pwr_state.pll_cntl.f.pll_cp_clip = 0x3; w100_pwr_state.pll_cntl.f.pll_conf = 0x2; w100_pwr_state.pll_cntl.f.pll_mbctrl = 0x2; w100_pwr_state.pll_cntl.f.pll_ring_off = 0x0; writel((u32) (w100_pwr_state.pll_cntl.val), remapped_regs + mmPLL_CNTL); - w100_pwr_state.clk_test_cntl.f.testclk_sel = 0x1; /* PLLCLK (for testing) */ - w100_pwr_state.clk_test_cntl.f.start_check_freq = 0x0; - w100_pwr_state.clk_test_cntl.f.tstcount_rst = 0x0; - writel((u32) (w100_pwr_state.clk_test_cntl.val), remapped_regs + mmCLK_TEST_CNTL); - w100_pwr_state.pwrmgt_cntl.f.pwm_enable = 0x0; - w100_pwr_state.pwrmgt_cntl.f.pwm_mode_req = 0x1; /* normal mode (0, 1, 3) */ + w100_pwr_state.pwrmgt_cntl.f.pwm_mode_req = 0x1; /* normal mode (0, 1, 3) */ w100_pwr_state.pwrmgt_cntl.f.pwm_wakeup_cond = 0x0; w100_pwr_state.pwrmgt_cntl.f.pwm_fast_noml_hw_en = 0x0; w100_pwr_state.pwrmgt_cntl.f.pwm_noml_fast_hw_en = 0x0; - w100_pwr_state.pwrmgt_cntl.f.pwm_fast_noml_cond = 0x1; /* PM4,ENG */ - w100_pwr_state.pwrmgt_cntl.f.pwm_noml_fast_cond = 0x1; /* PM4,ENG */ + w100_pwr_state.pwrmgt_cntl.f.pwm_fast_noml_cond = 0x1; /* PM4,ENG */ + w100_pwr_state.pwrmgt_cntl.f.pwm_noml_fast_cond = 0x1; /* PM4,ENG */ w100_pwr_state.pwrmgt_cntl.f.pwm_idle_timer = 0xFF; w100_pwr_state.pwrmgt_cntl.f.pwm_busy_timer = 0xFF; writel((u32) (w100_pwr_state.pwrmgt_cntl.val), remapped_regs + mmPWRMGT_CNTL); - w100_pwr_state.auto_mode = 0; /* manual mode */ - w100_pwr_state.pwm_mode = 1; /* normal mode (0, 1, 2) */ - w100_pwr_state.freq = 50000000; /* 50 MHz */ - w100_pwr_state.M = 3; /* M = 4 */ - w100_pwr_state.N_int = 6; /* N = 7.0 */ - w100_pwr_state.N_fac = 0; - w100_pwr_state.tfgoal = 0xE0; - w100_pwr_state.lock_time = 56; - w100_pwr_state.tf20 = 0xff; /* set highest */ - w100_pwr_state.tf80 = 0x00; /* set lowest */ - w100_pwr_state.tf100 = 0x00; /* set lowest */ - w100_pwr_state.fast_sclk = 50; /* 50.0 MHz */ - w100_pwr_state.norm_sclk = 12; /* 12.5 MHz */ + w100_pwr_state.auto_mode = 0; /* manual mode */ } -static void w100_init_sharp_lcd(u32 mode) +/* + * Setup the w100 clocks for the specified mode + */ +static void w100_init_clocks(struct w100fb_par *par) { - u32 temp32; - union disp_db_buf_cntl_wr_u disp_db_buf_wr_cntl; + struct w100_mode *mode = par->mode; - /* Prevent display updates */ - disp_db_buf_wr_cntl.f.db_buf_cntl = 0x1e; - disp_db_buf_wr_cntl.f.update_db_buf = 0; - disp_db_buf_wr_cntl.f.en_db_buf = 0; - writel((u32) (disp_db_buf_wr_cntl.val), remapped_regs + mmDISP_DB_BUF_CNTL); + if (mode->pixclk_src == CLK_SRC_PLL || mode->sysclk_src == CLK_SRC_PLL) + w100_set_pll_freq(par, (par->fastpll_mode && mode->fast_pll_freq) ? mode->fast_pll_freq : mode->pll_freq); - switch(mode) { - case LCD_SHARP_QVGA: - w100_set_slowsysclk(12); /* use crystal -- 12.5MHz */ - /* not use PLL */ - - writel(0x7FFF8000, remapped_regs + mmMC_EXT_MEM_LOCATION); - writel(0x85FF8000, remapped_regs + mmMC_FB_LOCATION); - writel(0x00000003, remapped_regs + mmLCD_FORMAT); - writel(0x00CF1C06, remapped_regs + mmGRAPHIC_CTRL); - writel(0x01410145, remapped_regs + mmCRTC_TOTAL); - writel(0x01170027, remapped_regs + mmACTIVE_H_DISP); - writel(0x01410001, remapped_regs + mmACTIVE_V_DISP); - writel(0x01170027, remapped_regs + mmGRAPHIC_H_DISP); - writel(0x01410001, remapped_regs + mmGRAPHIC_V_DISP); - writel(0x81170027, remapped_regs + mmCRTC_SS); - writel(0xA0140000, remapped_regs + mmCRTC_LS); - writel(0x00400008, remapped_regs + mmCRTC_REV); - writel(0xA0000000, remapped_regs + mmCRTC_DCLK); - writel(0xC0140014, remapped_regs + mmCRTC_GS); - writel(0x00010141, remapped_regs + mmCRTC_VPOS_GS); - writel(0x8015010F, remapped_regs + mmCRTC_GCLK); - writel(0x80100110, remapped_regs + mmCRTC_GOE); - writel(0x00000000, remapped_regs + mmCRTC_FRAME); - writel(0x00000000, remapped_regs + mmCRTC_FRAME_VPOS); - writel(0x01CC0000, remapped_regs + mmLCDD_CNTL1); - writel(0x0003FFFF, remapped_regs + mmLCDD_CNTL2); - writel(0x00FFFF0D, remapped_regs + mmGENLCD_CNTL1); - writel(0x003F3003, remapped_regs + mmGENLCD_CNTL2); - writel(0x00000000, remapped_regs + mmCRTC_DEFAULT_COUNT); - writel(0x0000FF00, remapped_regs + mmLCD_BACKGROUND_COLOR); - writel(0x000102aa, remapped_regs + mmGENLCD_CNTL3); - writel(0x00800000, remapped_regs + mmGRAPHIC_OFFSET); - writel(0x000001e0, remapped_regs + mmGRAPHIC_PITCH); - writel(0x000000bf, remapped_regs + mmGPIO_DATA); - writel(0x03c0feff, remapped_regs + mmGPIO_CNTL2); - writel(0x00000000, remapped_regs + mmGPIO_CNTL1); - writel(0x41060010, remapped_regs + mmCRTC_PS1_ACTIVE); - break; - case LCD_SHARP_VGA: - w100_set_slowsysclk(12); /* use crystal -- 12.5MHz */ - w100_set_fastsysclk(current_par->fastsysclk_mode); /* use PLL -- 75.0MHz */ - w100_pwr_state.pclk_cntl.f.pclk_src_sel = 0x1; - w100_pwr_state.pclk_cntl.f.pclk_post_div = 0x2; - writel((u32) (w100_pwr_state.pclk_cntl.val), remapped_regs + mmPCLK_CNTL); - writel(0x15FF1000, remapped_regs + mmMC_FB_LOCATION); - writel(0x9FFF8000, remapped_regs + mmMC_EXT_MEM_LOCATION); - writel(0x00000003, remapped_regs + mmLCD_FORMAT); - writel(0x00DE1D66, remapped_regs + mmGRAPHIC_CTRL); - - writel(0x0283028B, remapped_regs + mmCRTC_TOTAL); - writel(0x02360056, remapped_regs + mmACTIVE_H_DISP); - writel(0x02830003, remapped_regs + mmACTIVE_V_DISP); - writel(0x02360056, remapped_regs + mmGRAPHIC_H_DISP); - writel(0x02830003, remapped_regs + mmGRAPHIC_V_DISP); - writel(0x82360056, remapped_regs + mmCRTC_SS); - writel(0xA0280000, remapped_regs + mmCRTC_LS); - writel(0x00400008, remapped_regs + mmCRTC_REV); - writel(0xA0000000, remapped_regs + mmCRTC_DCLK); - writel(0x80280028, remapped_regs + mmCRTC_GS); - writel(0x02830002, remapped_regs + mmCRTC_VPOS_GS); - writel(0x8015010F, remapped_regs + mmCRTC_GCLK); - writel(0x80100110, remapped_regs + mmCRTC_GOE); - writel(0x00000000, remapped_regs + mmCRTC_FRAME); - writel(0x00000000, remapped_regs + mmCRTC_FRAME_VPOS); - writel(0x01CC0000, remapped_regs + mmLCDD_CNTL1); - writel(0x0003FFFF, remapped_regs + mmLCDD_CNTL2); - writel(0x00FFFF0D, remapped_regs + mmGENLCD_CNTL1); - writel(0x003F3003, remapped_regs + mmGENLCD_CNTL2); - writel(0x00000000, remapped_regs + mmCRTC_DEFAULT_COUNT); - writel(0x0000FF00, remapped_regs + mmLCD_BACKGROUND_COLOR); - writel(0x000102aa, remapped_regs + mmGENLCD_CNTL3); - writel(0x00800000, remapped_regs + mmGRAPHIC_OFFSET); - writel(0x000003C0, remapped_regs + mmGRAPHIC_PITCH); - writel(0x000000bf, remapped_regs + mmGPIO_DATA); - writel(0x03c0feff, remapped_regs + mmGPIO_CNTL2); - writel(0x00000000, remapped_regs + mmGPIO_CNTL1); - writel(0x41060010, remapped_regs + mmCRTC_PS1_ACTIVE); - break; - default: - break; - } + w100_pwr_state.sclk_cntl.f.sclk_src_sel = mode->sysclk_src; + w100_pwr_state.sclk_cntl.f.sclk_post_div_fast = mode->sysclk_divider; + w100_pwr_state.sclk_cntl.f.sclk_post_div_slow = mode->sysclk_divider; + writel((u32) (w100_pwr_state.sclk_cntl.val), remapped_regs + mmSCLK_CNTL); +} + +static void w100_init_lcd(struct w100fb_par *par) +{ + u32 temp32; + struct w100_mode *mode = par->mode; + struct w100_gen_regs *regs = par->mach->regs; + union active_h_disp_u active_h_disp; + union active_v_disp_u active_v_disp; + union graphic_h_disp_u graphic_h_disp; + union graphic_v_disp_u graphic_v_disp; + union crtc_total_u crtc_total; + + /* w3200 doesnt like undefined bits being set so zero register values first */ + + active_h_disp.val = 0; + active_h_disp.f.active_h_start=mode->left_margin; + active_h_disp.f.active_h_end=mode->left_margin + mode->xres; + writel(active_h_disp.val, remapped_regs + mmACTIVE_H_DISP); + + active_v_disp.val = 0; + active_v_disp.f.active_v_start=mode->upper_margin; + active_v_disp.f.active_v_end=mode->upper_margin + mode->yres; + writel(active_v_disp.val, remapped_regs + mmACTIVE_V_DISP); + + graphic_h_disp.val = 0; + graphic_h_disp.f.graphic_h_start=mode->left_margin; + graphic_h_disp.f.graphic_h_end=mode->left_margin + mode->xres; + writel(graphic_h_disp.val, remapped_regs + mmGRAPHIC_H_DISP); + + graphic_v_disp.val = 0; + graphic_v_disp.f.graphic_v_start=mode->upper_margin; + graphic_v_disp.f.graphic_v_end=mode->upper_margin + mode->yres; + writel(graphic_v_disp.val, remapped_regs + mmGRAPHIC_V_DISP); + + crtc_total.val = 0; + crtc_total.f.crtc_h_total=mode->left_margin + mode->xres + mode->right_margin; + crtc_total.f.crtc_v_total=mode->upper_margin + mode->yres + mode->lower_margin; + writel(crtc_total.val, remapped_regs + mmCRTC_TOTAL); + + writel(mode->crtc_ss, remapped_regs + mmCRTC_SS); + writel(mode->crtc_ls, remapped_regs + mmCRTC_LS); + writel(mode->crtc_gs, remapped_regs + mmCRTC_GS); + writel(mode->crtc_vpos_gs, remapped_regs + mmCRTC_VPOS_GS); + writel(mode->crtc_rev, remapped_regs + mmCRTC_REV); + writel(mode->crtc_dclk, remapped_regs + mmCRTC_DCLK); + writel(mode->crtc_gclk, remapped_regs + mmCRTC_GCLK); + writel(mode->crtc_goe, remapped_regs + mmCRTC_GOE); + writel(mode->crtc_ps1_active, remapped_regs + mmCRTC_PS1_ACTIVE); + + writel(regs->lcd_format, remapped_regs + mmLCD_FORMAT); + writel(regs->lcdd_cntl1, remapped_regs + mmLCDD_CNTL1); + writel(regs->lcdd_cntl2, remapped_regs + mmLCDD_CNTL2); + writel(regs->genlcd_cntl1, remapped_regs + mmGENLCD_CNTL1); + writel(regs->genlcd_cntl2, remapped_regs + mmGENLCD_CNTL2); + writel(regs->genlcd_cntl3, remapped_regs + mmGENLCD_CNTL3); + + writel(0x00000000, remapped_regs + mmCRTC_FRAME); + writel(0x00000000, remapped_regs + mmCRTC_FRAME_VPOS); + writel(0x00000000, remapped_regs + mmCRTC_DEFAULT_COUNT); + writel(0x0000FF00, remapped_regs + mmLCD_BACKGROUND_COLOR); /* Hack for overlay in ext memory */ temp32 = readl(remapped_regs + mmDISP_DEBUG2); temp32 |= 0xc0000000; writel(temp32, remapped_regs + mmDISP_DEBUG2); - - /* Re-enable display updates */ - disp_db_buf_wr_cntl.f.db_buf_cntl = 0x1e; - disp_db_buf_wr_cntl.f.update_db_buf = 1; - disp_db_buf_wr_cntl.f.en_db_buf = 1; - writel((u32) (disp_db_buf_wr_cntl.val), remapped_regs + mmDISP_DB_BUF_CNTL); } -static void w100_set_vga_rotation_regs(u16 divider, unsigned long ctrl, unsigned long offset, unsigned long pitch) +static void w100_setup_memory(struct w100fb_par *par) { - w100_pwr_state.pclk_cntl.f.pclk_src_sel = 0x1; - w100_pwr_state.pclk_cntl.f.pclk_post_div = divider; - writel((u32) (w100_pwr_state.pclk_cntl.val), remapped_regs + mmPCLK_CNTL); + union mc_ext_mem_location_u extmem_location; + union mc_fb_location_u intmem_location; + struct w100_mem_info *mem = par->mach->mem; + struct w100_bm_mem_info *bm_mem = par->mach->bm_mem; - writel(ctrl, remapped_regs + mmGRAPHIC_CTRL); - writel(offset, remapped_regs + mmGRAPHIC_OFFSET); - writel(pitch, remapped_regs + mmGRAPHIC_PITCH); + if (!par->extmem_active) { + w100_suspend(W100_SUSPEND_EXTMEM); - /* Re-enable display updates */ - writel(0x0000007b, remapped_regs + mmDISP_DB_BUF_CNTL); -} + /* Map Internal Memory at FB Base */ + intmem_location.f.mc_fb_start = W100_FB_BASE >> 8; + intmem_location.f.mc_fb_top = (W100_FB_BASE+MEM_INT_SIZE) >> 8; + writel((u32) (intmem_location.val), remapped_regs + mmMC_FB_LOCATION); + /* Unmap External Memory - value is *probably* irrelevant but may have meaning + to acceleration libraries */ + extmem_location.f.mc_ext_mem_start = MEM_EXT_BASE_VALUE >> 8; + extmem_location.f.mc_ext_mem_top = (MEM_EXT_BASE_VALUE-1) >> 8; + writel((u32) (extmem_location.val), remapped_regs + mmMC_EXT_MEM_LOCATION); + } else { + /* Map Internal Memory to its default location */ + intmem_location.f.mc_fb_start = MEM_INT_BASE_VALUE >> 8; + intmem_location.f.mc_fb_top = (MEM_INT_BASE_VALUE+MEM_INT_SIZE) >> 8; + writel((u32) (intmem_location.val), remapped_regs + mmMC_FB_LOCATION); -static void w100_init_vga_rotation(u16 deg) -{ - switch(deg) { - case 0: - w100_set_vga_rotation_regs(0x02, 0x00DE1D66, 0x00800000, 0x000003c0); - break; - case 90: - w100_set_vga_rotation_regs(0x06, 0x00DE1D0e, 0x00895b00, 0x00000500); - break; - case 180: - w100_set_vga_rotation_regs(0x02, 0x00DE1D7e, 0x00895ffc, 0x000003c0); - break; - case 270: - w100_set_vga_rotation_regs(0x06, 0x00DE1D16, 0x008004fc, 0x00000500); - break; - default: - /* not-support */ - break; + /* Map External Memory at FB Base */ + extmem_location.f.mc_ext_mem_start = W100_FB_BASE >> 8; + extmem_location.f.mc_ext_mem_top = (W100_FB_BASE+par->mach->mem->size) >> 8; + writel((u32) (extmem_location.val), remapped_regs + mmMC_EXT_MEM_LOCATION); + + writel(0x00007800, remapped_regs + mmMC_BIST_CTRL); + writel(mem->ext_cntl, remapped_regs + mmMEM_EXT_CNTL); + writel(0x00200021, remapped_regs + mmMEM_SDRAM_MODE_REG); + udelay(100); + writel(0x80200021, remapped_regs + mmMEM_SDRAM_MODE_REG); + udelay(100); + writel(mem->sdram_mode_reg, remapped_regs + mmMEM_SDRAM_MODE_REG); + udelay(100); + writel(mem->ext_timing_cntl, remapped_regs + mmMEM_EXT_TIMING_CNTL); + writel(mem->io_cntl, remapped_regs + mmMEM_IO_CNTL); + if (bm_mem) { + writel(bm_mem->ext_mem_bw, remapped_regs + mmBM_EXT_MEM_BANDWIDTH); + writel(bm_mem->offset, remapped_regs + mmBM_OFFSET); + writel(bm_mem->ext_timing_ctl, remapped_regs + mmBM_MEM_EXT_TIMING_CNTL); + writel(bm_mem->ext_cntl, remapped_regs + mmBM_MEM_EXT_CNTL); + writel(bm_mem->mode_reg, remapped_regs + mmBM_MEM_MODE_REG); + writel(bm_mem->io_cntl, remapped_regs + mmBM_MEM_IO_CNTL); + writel(bm_mem->config, remapped_regs + mmBM_CONFIG); + } } } - -static void w100_set_qvga_rotation_regs(unsigned long ctrl, unsigned long offset, unsigned long pitch) +static void w100_set_dispregs(struct w100fb_par *par) { - writel(ctrl, remapped_regs + mmGRAPHIC_CTRL); - writel(offset, remapped_regs + mmGRAPHIC_OFFSET); - writel(pitch, remapped_regs + mmGRAPHIC_PITCH); + unsigned long rot=0, divider, offset=0; + union graphic_ctrl_u graphic_ctrl; + + /* See if the mode has been rotated */ + if (par->xres == par->mode->xres) { + if (par->flip) { + rot=3; /* 180 degree */ + offset=(par->xres * par->yres) - 1; + } /* else 0 degree */ + divider = par->mode->pixclk_divider; + } else { + if (par->flip) { + rot=2; /* 270 degree */ + offset=par->xres - 1; + } else { + rot=1; /* 90 degree */ + offset=par->xres * (par->yres - 1); + } + divider = par->mode->pixclk_divider_rotated; + } - /* Re-enable display updates */ - writel(0x0000007b, remapped_regs + mmDISP_DB_BUF_CNTL); + graphic_ctrl.val = 0; /* w32xx doesn't like undefined bits */ + switch (par->chip_id) { + case CHIP_ID_W100: + graphic_ctrl.f_w100.color_depth=6; + graphic_ctrl.f_w100.en_crtc=1; + graphic_ctrl.f_w100.en_graphic_req=1; + graphic_ctrl.f_w100.en_graphic_crtc=1; + graphic_ctrl.f_w100.lcd_pclk_on=1; + graphic_ctrl.f_w100.lcd_sclk_on=1; + graphic_ctrl.f_w100.low_power_on=0; + graphic_ctrl.f_w100.req_freq=0; + graphic_ctrl.f_w100.portrait_mode=rot; + + /* Zaurus needs this */ + switch(par->xres) { + case 240: + case 320: + default: + graphic_ctrl.f_w100.total_req_graphic=0xa0; + break; + case 480: + case 640: + switch(rot) { + case 0: /* 0 */ + case 3: /* 180 */ + graphic_ctrl.f_w100.low_power_on=1; + graphic_ctrl.f_w100.req_freq=5; + break; + case 1: /* 90 */ + case 2: /* 270 */ + graphic_ctrl.f_w100.req_freq=4; + break; + default: + break; + } + graphic_ctrl.f_w100.total_req_graphic=0xf0; + break; + } + break; + case CHIP_ID_W3200: + case CHIP_ID_W3220: + graphic_ctrl.f_w32xx.color_depth=6; + graphic_ctrl.f_w32xx.en_crtc=1; + graphic_ctrl.f_w32xx.en_graphic_req=1; + graphic_ctrl.f_w32xx.en_graphic_crtc=1; + graphic_ctrl.f_w32xx.lcd_pclk_on=1; + graphic_ctrl.f_w32xx.lcd_sclk_on=1; + graphic_ctrl.f_w32xx.low_power_on=0; + graphic_ctrl.f_w32xx.req_freq=0; + graphic_ctrl.f_w32xx.total_req_graphic=par->mode->xres >> 1; /* panel xres, not mode */ + graphic_ctrl.f_w32xx.portrait_mode=rot; + break; + } + + /* Set the pixel clock source and divider */ + w100_pwr_state.pclk_cntl.f.pclk_src_sel = par->mode->pixclk_src; + w100_pwr_state.pclk_cntl.f.pclk_post_div = divider; + writel((u32) (w100_pwr_state.pclk_cntl.val), remapped_regs + mmPCLK_CNTL); + + writel(graphic_ctrl.val, remapped_regs + mmGRAPHIC_CTRL); + writel(W100_FB_BASE + ((offset * BITS_PER_PIXEL/8)&~0x03UL), remapped_regs + mmGRAPHIC_OFFSET); + writel((par->xres*BITS_PER_PIXEL/8), remapped_regs + mmGRAPHIC_PITCH); } -static void w100_init_qvga_rotation(u16 deg) +/* + * Work out how long the sync pulse lasts + * Value is 1/(time in seconds) + */ +static void calc_hsync(struct w100fb_par *par) { - switch(deg) { - case 0: - w100_set_qvga_rotation_regs(0x00d41c06, 0x00800000, 0x000001e0); - break; - case 90: - w100_set_qvga_rotation_regs(0x00d41c0E, 0x00825580, 0x00000280); - break; - case 180: - w100_set_qvga_rotation_regs(0x00d41c1e, 0x008257fc, 0x000001e0); - break; - case 270: - w100_set_qvga_rotation_regs(0x00d41c16, 0x0080027c, 0x00000280); - break; - default: - /* not-support */ - break; - } -} + unsigned long hsync; + struct w100_mode *mode = par->mode; + union crtc_ss_u crtc_ss; + + if (mode->pixclk_src == CLK_SRC_XTAL) + hsync=par->mach->xtal_freq; + else + hsync=((par->fastpll_mode && mode->fast_pll_freq) ? mode->fast_pll_freq : mode->pll_freq)*100000; + hsync /= (w100_pwr_state.pclk_cntl.f.pclk_post_div + 1); + + crtc_ss.val = readl(remapped_regs + mmCRTC_SS); + if (crtc_ss.val) + par->hsync_len = hsync / (crtc_ss.f.ss_end-crtc_ss.f.ss_start); + else + par->hsync_len = 0; +} static void w100_suspend(u32 mode) { @@ -1387,30 +1377,28 @@ static void w100_suspend(u32 mode) writel(0x00FF0000, remapped_regs + mmMC_PERF_MON_CNTL); val = readl(remapped_regs + mmMEM_EXT_TIMING_CNTL); - val &= ~(0x00100000); /* bit20=0 */ - val |= 0xFF000000; /* bit31:24=0xff */ + val &= ~(0x00100000); /* bit20=0 */ + val |= 0xFF000000; /* bit31:24=0xff */ writel(val, remapped_regs + mmMEM_EXT_TIMING_CNTL); val = readl(remapped_regs + mmMEM_EXT_CNTL); - val &= ~(0x00040000); /* bit18=0 */ - val |= 0x00080000; /* bit19=1 */ + val &= ~(0x00040000); /* bit18=0 */ + val |= 0x00080000; /* bit19=1 */ writel(val, remapped_regs + mmMEM_EXT_CNTL); - udelay(1); /* wait 1us */ + udelay(1); /* wait 1us */ if (mode == W100_SUSPEND_EXTMEM) { - /* CKE: Tri-State */ val = readl(remapped_regs + mmMEM_EXT_CNTL); - val |= 0x40000000; /* bit30=1 */ + val |= 0x40000000; /* bit30=1 */ writel(val, remapped_regs + mmMEM_EXT_CNTL); /* CLK: Stop */ val = readl(remapped_regs + mmMEM_EXT_CNTL); - val &= ~(0x00000001); /* bit0=0 */ + val &= ~(0x00000001); /* bit0=0 */ writel(val, remapped_regs + mmMEM_EXT_CNTL); } else { - writel(0x00000000, remapped_regs + mmSCLK_CNTL); writel(0x000000BF, remapped_regs + mmCLK_PIN_CNTL); writel(0x00000015, remapped_regs + mmPWRMGT_CNTL); @@ -1418,43 +1406,16 @@ static void w100_suspend(u32 mode) udelay(5); val = readl(remapped_regs + mmPLL_CNTL); - val |= 0x00000004; /* bit2=1 */ + val |= 0x00000004; /* bit2=1 */ writel(val, remapped_regs + mmPLL_CNTL); writel(0x0000001d, remapped_regs + mmPWRMGT_CNTL); } } - -static void w100_resume(void) -{ - u32 temp32; - - w100_hw_init(); - w100_pwm_setup(); - - temp32 = readl(remapped_regs + mmDISP_DEBUG2); - temp32 &= 0xff7fffff; - temp32 |= 0x00800000; - writel(temp32, remapped_regs + mmDISP_DEBUG2); - - if (current_par->lcdMode == LCD_MODE_480 || current_par->lcdMode == LCD_MODE_640) { - w100_init_sharp_lcd(LCD_SHARP_VGA); - if (current_par->lcdMode == LCD_MODE_640) { - w100_init_vga_rotation(current_par->rotation_flag ? 270 : 90); - } - } else { - w100_init_sharp_lcd(LCD_SHARP_QVGA); - if (current_par->lcdMode == LCD_MODE_320) { - w100_init_qvga_rotation(current_par->rotation_flag ? 270 : 90); - } - } -} - - static void w100_vsync(void) { u32 tmp; - int timeout = 30000; /* VSync timeout = 30[ms] > 16.8[ms] */ + int timeout = 30000; /* VSync timeout = 30[ms] > 16.8[ms] */ tmp = readl(remapped_regs + mmACTIVE_V_DISP); @@ -1490,363 +1451,6 @@ static void w100_vsync(void) writel(0x00000002, remapped_regs + mmGEN_INT_STATUS); } - -static void w100_InitExtMem(u32 mode) -{ - switch(mode) { - case LCD_SHARP_QVGA: - /* QVGA doesn't use external memory - nothing to do, really. */ - break; - case LCD_SHARP_VGA: - writel(0x00007800, remapped_regs + mmMC_BIST_CTRL); - writel(0x00040003, remapped_regs + mmMEM_EXT_CNTL); - writel(0x00200021, remapped_regs + mmMEM_SDRAM_MODE_REG); - udelay(100); - writel(0x80200021, remapped_regs + mmMEM_SDRAM_MODE_REG); - udelay(100); - writel(0x00650021, remapped_regs + mmMEM_SDRAM_MODE_REG); - udelay(100); - writel(0x10002a4a, remapped_regs + mmMEM_EXT_TIMING_CNTL); - writel(0x7ff87012, remapped_regs + mmMEM_IO_CNTL); - break; - default: - break; - } -} - - -#define RESCTL_ADRS 0x00 -#define PHACTRL_ADRS 0x01 -#define DUTYCTRL_ADRS 0x02 -#define POWERREG0_ADRS 0x03 -#define POWERREG1_ADRS 0x04 -#define GPOR3_ADRS 0x05 -#define PICTRL_ADRS 0x06 -#define POLCTRL_ADRS 0x07 - -#define RESCTL_QVGA 0x01 -#define RESCTL_VGA 0x00 - -#define POWER1_VW_ON 0x01 /* VW Supply FET ON */ -#define POWER1_GVSS_ON 0x02 /* GVSS(-8V) Power Supply ON */ -#define POWER1_VDD_ON 0x04 /* VDD(8V),SVSS(-4V) Power Supply ON */ - -#define POWER1_VW_OFF 0x00 /* VW Supply FET OFF */ -#define POWER1_GVSS_OFF 0x00 /* GVSS(-8V) Power Supply OFF */ -#define POWER1_VDD_OFF 0x00 /* VDD(8V),SVSS(-4V) Power Supply OFF */ - -#define POWER0_COM_DCLK 0x01 /* COM Voltage DC Bias DAC Serial Data Clock */ -#define POWER0_COM_DOUT 0x02 /* COM Voltage DC Bias DAC Serial Data Out */ -#define POWER0_DAC_ON 0x04 /* DAC Power Supply ON */ -#define POWER0_COM_ON 0x08 /* COM Powewr Supply ON */ -#define POWER0_VCC5_ON 0x10 /* VCC5 Power Supply ON */ - -#define POWER0_DAC_OFF 0x00 /* DAC Power Supply OFF */ -#define POWER0_COM_OFF 0x00 /* COM Powewr Supply OFF */ -#define POWER0_VCC5_OFF 0x00 /* VCC5 Power Supply OFF */ - -#define PICTRL_INIT_STATE 0x01 -#define PICTRL_INIOFF 0x02 -#define PICTRL_POWER_DOWN 0x04 -#define PICTRL_COM_SIGNAL_OFF 0x08 -#define PICTRL_DAC_SIGNAL_OFF 0x10 - -#define PICTRL_POWER_ACTIVE (0) - -#define POLCTRL_SYNC_POL_FALL 0x01 -#define POLCTRL_EN_POL_FALL 0x02 -#define POLCTRL_DATA_POL_FALL 0x04 -#define POLCTRL_SYNC_ACT_H 0x08 -#define POLCTRL_EN_ACT_L 0x10 - -#define POLCTRL_SYNC_POL_RISE 0x00 -#define POLCTRL_EN_POL_RISE 0x00 -#define POLCTRL_DATA_POL_RISE 0x00 -#define POLCTRL_SYNC_ACT_L 0x00 -#define POLCTRL_EN_ACT_H 0x00 - -#define PHACTRL_PHASE_MANUAL 0x01 - -#define PHAD_QVGA_DEFAULT_VAL (9) -#define COMADJ_DEFAULT (125) - -static void lcdtg_ssp_send(u8 adrs, u8 data) -{ - w100fb_ssp_send(adrs,data); -} - -/* - * This is only a psuedo I2C interface. We can't use the standard kernel - * routines as the interface is write only. We just assume the data is acked... - */ -static void lcdtg_ssp_i2c_send(u8 data) -{ - lcdtg_ssp_send(POWERREG0_ADRS, data); - udelay(10); -} - -static void lcdtg_i2c_send_bit(u8 data) -{ - lcdtg_ssp_i2c_send(data); - lcdtg_ssp_i2c_send(data | POWER0_COM_DCLK); - lcdtg_ssp_i2c_send(data); -} - -static void lcdtg_i2c_send_start(u8 base) -{ - lcdtg_ssp_i2c_send(base | POWER0_COM_DCLK | POWER0_COM_DOUT); - lcdtg_ssp_i2c_send(base | POWER0_COM_DCLK); - lcdtg_ssp_i2c_send(base); -} - -static void lcdtg_i2c_send_stop(u8 base) -{ - lcdtg_ssp_i2c_send(base); - lcdtg_ssp_i2c_send(base | POWER0_COM_DCLK); - lcdtg_ssp_i2c_send(base | POWER0_COM_DCLK | POWER0_COM_DOUT); -} - -static void lcdtg_i2c_send_byte(u8 base, u8 data) -{ - int i; - for (i = 0; i < 8; i++) { - if (data & 0x80) - lcdtg_i2c_send_bit(base | POWER0_COM_DOUT); - else - lcdtg_i2c_send_bit(base); - data <<= 1; - } -} - -static void lcdtg_i2c_wait_ack(u8 base) -{ - lcdtg_i2c_send_bit(base); -} - -static void lcdtg_set_common_voltage(u8 base_data, u8 data) -{ - /* Set Common Voltage to M62332FP via I2C */ - lcdtg_i2c_send_start(base_data); - lcdtg_i2c_send_byte(base_data, 0x9c); - lcdtg_i2c_wait_ack(base_data); - lcdtg_i2c_send_byte(base_data, 0x00); - lcdtg_i2c_wait_ack(base_data); - lcdtg_i2c_send_byte(base_data, data); - lcdtg_i2c_wait_ack(base_data); - lcdtg_i2c_send_stop(base_data); -} - -static struct lcdtg_register_setting { - u8 adrs; - u8 data; - u32 wait; -} lcdtg_power_on_table[] = { - - /* Initialize Internal Logic & Port */ - { PICTRL_ADRS, - PICTRL_POWER_DOWN | PICTRL_INIOFF | PICTRL_INIT_STATE | - PICTRL_COM_SIGNAL_OFF | PICTRL_DAC_SIGNAL_OFF, - 0 }, - - { POWERREG0_ADRS, - POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_OFF | POWER0_COM_OFF | - POWER0_VCC5_OFF, - 0 }, - - { POWERREG1_ADRS, - POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_OFF, - 0 }, - - /* VDD(+8V),SVSS(-4V) ON */ - { POWERREG1_ADRS, - POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_ON /* VDD ON */, - 3000 }, - - /* DAC ON */ - { POWERREG0_ADRS, - POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_ON /* DAC ON */ | - POWER0_COM_OFF | POWER0_VCC5_OFF, - 0 }, - - /* INIB = H, INI = L */ - { PICTRL_ADRS, - /* PICTL[0] = H , PICTL[1] = PICTL[2] = PICTL[4] = L */ - PICTRL_INIT_STATE | PICTRL_COM_SIGNAL_OFF, - 0 }, - - /* Set Common Voltage */ - { 0xfe, 0, 0 }, - - /* VCC5 ON */ - { POWERREG0_ADRS, - POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_ON /* DAC ON */ | - POWER0_COM_OFF | POWER0_VCC5_ON /* VCC5 ON */, - 0 }, - - /* GVSS(-8V) ON */ - { POWERREG1_ADRS, - POWER1_VW_OFF | POWER1_GVSS_ON /* GVSS ON */ | - POWER1_VDD_ON /* VDD ON */, - 2000 }, - - /* COM SIGNAL ON (PICTL[3] = L) */ - { PICTRL_ADRS, - PICTRL_INIT_STATE, - 0 }, - - /* COM ON */ - { POWERREG0_ADRS, - POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_ON /* DAC ON */ | - POWER0_COM_ON /* COM ON */ | POWER0_VCC5_ON /* VCC5_ON */, - 0 }, - - /* VW ON */ - { POWERREG1_ADRS, - POWER1_VW_ON /* VW ON */ | POWER1_GVSS_ON /* GVSS ON */ | - POWER1_VDD_ON /* VDD ON */, - 0 /* Wait 100ms */ }, - - /* Signals output enable */ - { PICTRL_ADRS, - 0 /* Signals output enable */, - 0 }, - - { PHACTRL_ADRS, - PHACTRL_PHASE_MANUAL, - 0 }, - - /* Initialize for Input Signals from ATI */ - { POLCTRL_ADRS, - POLCTRL_SYNC_POL_RISE | POLCTRL_EN_POL_RISE | POLCTRL_DATA_POL_RISE | - POLCTRL_SYNC_ACT_L | POLCTRL_EN_ACT_H, - 1000 /*100000*/ /* Wait 100ms */ }, - - /* end mark */ - { 0xff, 0, 0 } -}; - -static void lcdtg_resume(void) -{ - if (current_par->lcdMode == LCD_MODE_480 || current_par->lcdMode == LCD_MODE_640) { - lcdtg_hw_init(LCD_SHARP_VGA); - } else { - lcdtg_hw_init(LCD_SHARP_QVGA); - } -} - -static void lcdtg_suspend(void) -{ - int i; - - for (i = 0; i < (current_par->xres * current_par->yres); i++) { - writew(0xffff, remapped_fbuf + (2*i)); - } - - /* 60Hz x 2 frame = 16.7msec x 2 = 33.4 msec */ - mdelay(34); - - /* (1)VW OFF */ - lcdtg_ssp_send(POWERREG1_ADRS, POWER1_VW_OFF | POWER1_GVSS_ON | POWER1_VDD_ON); - - /* (2)COM OFF */ - lcdtg_ssp_send(PICTRL_ADRS, PICTRL_COM_SIGNAL_OFF); - lcdtg_ssp_send(POWERREG0_ADRS, POWER0_DAC_ON | POWER0_COM_OFF | POWER0_VCC5_ON); - - /* (3)Set Common Voltage Bias 0V */ - lcdtg_set_common_voltage(POWER0_DAC_ON | POWER0_COM_OFF | POWER0_VCC5_ON, 0); - - /* (4)GVSS OFF */ - lcdtg_ssp_send(POWERREG1_ADRS, POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_ON); - - /* (5)VCC5 OFF */ - lcdtg_ssp_send(POWERREG0_ADRS, POWER0_DAC_ON | POWER0_COM_OFF | POWER0_VCC5_OFF); - - /* (6)Set PDWN, INIOFF, DACOFF */ - lcdtg_ssp_send(PICTRL_ADRS, PICTRL_INIOFF | PICTRL_DAC_SIGNAL_OFF | - PICTRL_POWER_DOWN | PICTRL_COM_SIGNAL_OFF); - - /* (7)DAC OFF */ - lcdtg_ssp_send(POWERREG0_ADRS, POWER0_DAC_OFF | POWER0_COM_OFF | POWER0_VCC5_OFF); - - /* (8)VDD OFF */ - lcdtg_ssp_send(POWERREG1_ADRS, POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_OFF); - -} - -static void lcdtg_set_phadadj(u32 mode) -{ - int adj; - - if (mode == LCD_SHARP_VGA) { - /* Setting for VGA */ - adj = current_par->phadadj; - if (adj < 0) { - adj = PHACTRL_PHASE_MANUAL; - } else { - adj = ((adj & 0x0f) << 1) | PHACTRL_PHASE_MANUAL; - } - } else { - /* Setting for QVGA */ - adj = (PHAD_QVGA_DEFAULT_VAL << 1) | PHACTRL_PHASE_MANUAL; - } - lcdtg_ssp_send(PHACTRL_ADRS, adj); -} - -static void lcdtg_hw_init(u32 mode) -{ - int i; - int comadj; - - i = 0; - while(lcdtg_power_on_table[i].adrs != 0xff) { - if (lcdtg_power_on_table[i].adrs == 0xfe) { - /* Set Common Voltage */ - comadj = current_par->comadj; - if (comadj < 0) { - comadj = COMADJ_DEFAULT; - } - lcdtg_set_common_voltage((POWER0_DAC_ON | POWER0_COM_OFF | POWER0_VCC5_OFF), comadj); - } else if (lcdtg_power_on_table[i].adrs == PHACTRL_ADRS) { - /* Set Phase Adjuct */ - lcdtg_set_phadadj(mode); - } else { - /* Other */ - lcdtg_ssp_send(lcdtg_power_on_table[i].adrs, lcdtg_power_on_table[i].data); - } - if (lcdtg_power_on_table[i].wait != 0) - udelay(lcdtg_power_on_table[i].wait); - i++; - } - - switch(mode) { - case LCD_SHARP_QVGA: - /* Set Lcd Resolution (QVGA) */ - lcdtg_ssp_send(RESCTL_ADRS, RESCTL_QVGA); - break; - case LCD_SHARP_VGA: - /* Set Lcd Resolution (VGA) */ - lcdtg_ssp_send(RESCTL_ADRS, RESCTL_VGA); - break; - default: - break; - } -} - -static void lcdtg_lcd_change(u32 mode) -{ - /* Set Phase Adjuct */ - lcdtg_set_phadadj(mode); - - if (mode == LCD_SHARP_VGA) - /* Set Lcd Resolution (VGA) */ - lcdtg_ssp_send(RESCTL_ADRS, RESCTL_VGA); - else if (mode == LCD_SHARP_QVGA) - /* Set Lcd Resolution (QVGA) */ - lcdtg_ssp_send(RESCTL_ADRS, RESCTL_QVGA); -} - - static struct device_driver w100fb_driver = { .name = "w100fb", .bus = &platform_bus_type, @@ -1870,4 +1474,4 @@ module_init(w100fb_init); module_exit(w100fb_cleanup); MODULE_DESCRIPTION("ATI Imageon w100 framebuffer driver"); -MODULE_LICENSE("GPLv2"); +MODULE_LICENSE("GPL"); |
