diff options
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/Kconfig | 15 | ||||
| -rw-r--r-- | drivers/video/Makefile | 1 | ||||
| -rw-r--r-- | drivers/video/efifb.c | 191 | ||||
| -rw-r--r-- | drivers/video/imacfb.c | 376 |
4 files changed, 184 insertions, 399 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index e63e564..3b296e4 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -689,23 +689,14 @@ config FB_VESA config FB_EFI bool "EFI-based Framebuffer Support" - depends on (FB = y) && X86 - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - help - This is the EFI frame buffer device driver. If the firmware on - your platform is UEFI2.0, select Y to add support for - Graphics Output Protocol for early console messages to appear. - -config FB_IMAC - bool "Intel-based Macintosh Framebuffer Support" depends on (FB = y) && X86 && EFI select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT help - This is the frame buffer device driver for the Intel-based Macintosh + This is the EFI frame buffer device driver. If the firmware on + your platform is EFI 1.10 or UEFI 2.0, select Y to add support for + using the EFI framebuffer as your console. config FB_N411 tristate "N411 Apollo/Hecuba devkit support" diff --git a/drivers/video/Makefile b/drivers/video/Makefile index dcae8d4..2bc94d8 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -125,7 +125,6 @@ obj-$(CONFIG_FB_CARMINE) += carminefb.o # Platform or fallback drivers go here obj-$(CONFIG_FB_UVESA) += uvesafb.o obj-$(CONFIG_FB_VESA) += vesafb.o -obj-$(CONFIG_FB_IMAC) += imacfb.o obj-$(CONFIG_FB_EFI) += efifb.o obj-$(CONFIG_FB_VGA16) += vga16fb.o obj-$(CONFIG_FB_OF) += offb.o diff --git a/drivers/video/efifb.c b/drivers/video/efifb.c index bd779ae..daf9b81 100644 --- a/drivers/video/efifb.c +++ b/drivers/video/efifb.c @@ -12,6 +12,7 @@ #include <linux/fb.h> #include <linux/platform_device.h> #include <linux/screen_info.h> +#include <linux/dmi.h> #include <video/vga.h> @@ -33,6 +34,105 @@ static struct fb_fix_screeninfo efifb_fix __initdata = { .visual = FB_VISUAL_TRUECOLOR, }; +enum { + M_I17, /* 17-Inch iMac */ + M_I20, /* 20-Inch iMac */ + M_I20_SR, /* 20-Inch iMac (Santa Rosa) */ + M_I24, /* 24-Inch iMac */ + M_MINI, /* Mac Mini */ + M_MB, /* MacBook */ + M_MB_2, /* MacBook, 2nd rev. */ + M_MB_3, /* MacBook, 3rd rev. */ + M_MB_SR, /* MacBook, 2nd gen, (Santa Rosa) */ + M_MBA, /* MacBook Air */ + M_MBP, /* MacBook Pro */ + M_MBP_2, /* MacBook Pro 2nd gen */ + M_MBP_SR, /* MacBook Pro (Santa Rosa) */ + M_MBP_4, /* MacBook Pro, 4th gen */ + M_UNKNOWN /* placeholder */ +}; + +static struct efifb_dmi_info { + char *optname; + unsigned long base; + int stride; + int width; + int height; +} dmi_list[] = { + [M_I17] = { "i17", 0x80010000, 1472 * 4, 1440, 900 }, + [M_I20] = { "i20", 0x80010000, 1728 * 4, 1680, 1050 }, /* guess */ + [M_I20_SR] = { "imac7", 0x40010000, 1728 * 4, 1680, 1050 }, + [M_I24] = { "i24", 0x80010000, 2048 * 4, 1920, 1200 }, /* guess */ + [M_MINI]= { "mini", 0x80000000, 2048 * 4, 1024, 768 }, + [M_MB] = { "macbook", 0x80000000, 2048 * 4, 1280, 800 }, + [M_MBA] = { "mba", 0x80000000, 2048 * 4, 1280, 800 }, + [M_MBP] = { "mbp", 0x80010000, 1472 * 4, 1440, 900 }, + [M_MBP_2] = { "mbp2", 0, 0, 0, 0 }, /* placeholder */ + [M_MBP_SR] = { "mbp3", 0x80030000, 2048 * 4, 1440, 900 }, + [M_MBP_4] = { "mbp4", 0xc0060000, 2048 * 4, 1920, 1200 }, + [M_UNKNOWN] = { NULL, 0, 0, 0, 0 } +}; + +static int set_system(const struct dmi_system_id *id); + +#define EFIFB_DMI_SYSTEM_ID(vendor, name, enumid) \ + { set_system, name, { \ + DMI_MATCH(DMI_BIOS_VENDOR, vendor), \ + DMI_MATCH(DMI_PRODUCT_NAME, name) }, \ + &dmi_list[enumid] } + +static struct dmi_system_id __initdata dmi_system_table[] = { + EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "iMac4,1", M_I17), + /* At least one of these two will be right; maybe both? */ + EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "iMac5,1", M_I20), + EFIFB_DMI_SYSTEM_ID("Apple Inc.", "iMac5,1", M_I20), + /* At least one of these two will be right; maybe both? */ + EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "iMac6,1", M_I24), + EFIFB_DMI_SYSTEM_ID("Apple Inc.", "iMac6,1", M_I24), + EFIFB_DMI_SYSTEM_ID("Apple Inc.", "iMac7,1", M_I20_SR), + EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "Macmini1,1", M_MINI), + EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBook1,1", M_MB), + /* At least one of these two will be right; maybe both? */ + EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBook2,1", M_MB), + EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBook2,1", M_MB), + /* At least one of these two will be right; maybe both? */ + EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBook3,1", M_MB), + EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBook3,1", M_MB), + EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBook4,1", M_MB), + EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookAir1,1", M_MBA), + EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBookPro1,1", M_MBP), + EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBookPro2,1", M_MBP_2), + EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro2,1", M_MBP_2), + EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBookPro3,1", M_MBP_SR), + EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro3,1", M_MBP_SR), + EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro4,1", M_MBP_4), + {}, +}; + +static int set_system(const struct dmi_system_id *id) +{ + struct efifb_dmi_info *info = id->driver_data; + if (info->base == 0) + return -ENODEV; + + printk(KERN_INFO "efifb: dmi detected %s - framebuffer at %p " + "(%dx%d, stride %d)\n", id->ident, + (void *)info->base, info->width, info->height, + info->stride); + + /* Trust the bootloader over the DMI tables */ + if (screen_info.lfb_base == 0) + screen_info.lfb_base = info->base; + if (screen_info.lfb_linelength == 0) + screen_info.lfb_linelength = info->stride; + if (screen_info.lfb_width == 0) + screen_info.lfb_width = info->width; + if (screen_info.lfb_height == 0) + screen_info.lfb_height = info->height; + + return 0; +} + static int efifb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *info) @@ -67,6 +167,38 @@ static struct fb_ops efifb_ops = { .fb_imageblit = cfb_imageblit, }; +static int __init efifb_setup(char *options) +{ + char *this_opt; + int i; + + if (!options || !*options) + return 0; + + while ((this_opt = strsep(&options, ",")) != NULL) { + if (!*this_opt) continue; + + for (i = 0; i < M_UNKNOWN; i++) { + if (!strcmp(this_opt, dmi_list[i].optname) && + dmi_list[i].base != 0) { + screen_info.lfb_base = dmi_list[i].base; + screen_info.lfb_linelength = dmi_list[i].stride; + screen_info.lfb_width = dmi_list[i].width; + screen_info.lfb_height = dmi_list[i].height; + } + } + if (!strncmp(this_opt, "base:", 5)) + screen_info.lfb_base = simple_strtoul(this_opt+5, NULL, 0); + else if (!strncmp(this_opt, "stride:", 7)) + screen_info.lfb_linelength = simple_strtoul(this_opt+7, NULL, 0) * 4; + else if (!strncmp(this_opt, "height:", 7)) + screen_info.lfb_height = simple_strtoul(this_opt+7, NULL, 0); + else if (!strncmp(this_opt, "width:", 6)) + screen_info.lfb_width = simple_strtoul(this_opt+6, NULL, 0); + } + return 0; +} + static int __init efifb_probe(struct platform_device *dev) { struct fb_info *info; @@ -74,6 +206,26 @@ static int __init efifb_probe(struct platform_device *dev) unsigned int size_vmode; unsigned int size_remap; unsigned int size_total; + int request_succeeded = 0; + + printk(KERN_INFO "efifb: probing for efifb\n"); + + if (!screen_info.lfb_depth) + screen_info.lfb_depth = 32; + if (!screen_info.pages) + screen_info.pages = 1; + + /* just assume they're all unset if any are */ + if (!screen_info.blue_size) { + screen_info.blue_size = 8; + screen_info.blue_pos = 0; + screen_info.green_size = 8; + screen_info.green_pos = 8; + screen_info.red_size = 8; + screen_info.red_pos = 16; + screen_info.rsvd_size = 8; + screen_info.rsvd_pos = 24; + } efifb_fix.smem_start = screen_info.lfb_base; efifb_defined.bits_per_pixel = screen_info.lfb_depth; @@ -98,21 +250,25 @@ static int __init efifb_probe(struct platform_device *dev) * option to simply use size_total as that * wastes plenty of kernel address space. */ size_remap = size_vmode * 2; - if (size_remap < size_vmode) - size_remap = size_vmode; if (size_remap > size_total) size_remap = size_total; + if (size_remap % PAGE_SIZE) + size_remap += PAGE_SIZE - (size_remap % PAGE_SIZE); efifb_fix.smem_len = size_remap; - if (!request_mem_region(efifb_fix.smem_start, size_total, "efifb")) + if (request_mem_region(efifb_fix.smem_start, size_remap, "efifb")) { + request_succeeded = 1; + } else { /* We cannot make this fatal. Sometimes this comes from magic spaces our resource handlers simply don't know about */ printk(KERN_WARNING "efifb: cannot reserve video memory at 0x%lx\n", efifb_fix.smem_start); + } info = framebuffer_alloc(sizeof(u32) * 16, &dev->dev); if (!info) { + printk(KERN_ERR "efifb: cannot allocate framebuffer\n"); err = -ENOMEM; goto err_release_mem; } @@ -125,7 +281,7 @@ static int __init efifb_probe(struct platform_device *dev) "0x%x @ 0x%lx\n", efifb_fix.smem_len, efifb_fix.smem_start); err = -EIO; - goto err_unmap; + goto err_release_fb; } printk(KERN_INFO "efifb: framebuffer at 0x%lx, mapped to 0x%p, " @@ -178,25 +334,27 @@ static int __init efifb_probe(struct platform_device *dev) info->fix = efifb_fix; info->flags = FBINFO_FLAG_DEFAULT; - if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) { - err = -ENOMEM; + if ((err = fb_alloc_cmap(&info->cmap, 256, 0)) < 0) { + printk(KERN_ERR "efifb: cannot allocate colormap\n"); goto err_unmap; } - if (register_framebuffer(info) < 0) { - err = -EINVAL; + if ((err = register_framebuffer(info)) < 0) { + printk(KERN_ERR "efifb: cannot register framebuffer\n"); goto err_fb_dealoc; } printk(KERN_INFO "fb%d: %s frame buffer device\n", - info->node, info->fix.id); + info->node, info->fix.id); return 0; err_fb_dealoc: fb_dealloc_cmap(&info->cmap); err_unmap: iounmap(info->screen_base); +err_release_fb: framebuffer_release(info); err_release_mem: - release_mem_region(efifb_fix.smem_start, size_total); + if (request_succeeded) + release_mem_region(efifb_fix.smem_start, size_total); return err; } @@ -214,9 +372,22 @@ static struct platform_device efifb_device = { static int __init efifb_init(void) { int ret; + char *option = NULL; if (screen_info.orig_video_isVGA != VIDEO_TYPE_EFI) return -ENODEV; + dmi_check_system(dmi_system_table); + + if (fb_get_options("efifb", &option)) + return -ENODEV; + efifb_setup(option); + + /* We don't get linelength from UGA Draw Protocol, only from + * EFI Graphics Protocol. So if it's not in DMI, and it's not + * passed in from the user, we really can't use the framebuffer. + */ + if (!screen_info.lfb_linelength) + return -ENODEV; ret = platform_driver_register(&efifb_driver); diff --git a/drivers/video/imacfb.c b/drivers/video/imacfb.c index 9366ef2..e69de29 100644 --- a/drivers/video/imacfb.c +++ b/drivers/video/imacfb.c @@ -1,376 +0,0 @@ -/* - * framebuffer driver for Intel Based Mac's - * - * (c) 2006 Edgar Hucek <gimli@dark-green.com> - * Original imac driver written by Gerd Knorr <kraxel@goldbach.in-berlin.de> - * - */ - -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/fb.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/mm.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/screen_info.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/dmi.h> -#include <linux/efi.h> - -#include <asm/io.h> - -#include <video/vga.h> - -typedef enum _MAC_TYPE { - M_I17, - M_I20, - M_MINI, - M_MACBOOK, - M_UNKNOWN -} MAC_TYPE; - -/* --------------------------------------------------------------------- */ - -static struct fb_var_screeninfo imacfb_defined __initdata = { - .activate = FB_ACTIVATE_NOW, - .height = -1, - .width = -1, - .right_margin = 32, - .upper_margin = 16, - .lower_margin = 4, - .vsync_len = 4, - .vmode = FB_VMODE_NONINTERLACED, -}; - -static struct fb_fix_screeninfo imacfb_fix __initdata = { - .id = "IMAC VGA", - .type = FB_TYPE_PACKED_PIXELS, - .accel = FB_ACCEL_NONE, - .visual = FB_VISUAL_TRUECOLOR, -}; - -static int inverse; -static int model = M_UNKNOWN; -static int manual_height; -static int manual_width; - -static int set_system(const struct dmi_system_id *id) -{ - printk(KERN_INFO "imacfb: %s detected - set system to %ld\n", - id->ident, (long)id->driver_data); - - model = (long)id->driver_data; - - return 0; -} - -static struct dmi_system_id __initdata dmi_system_table[] = { - { set_system, "iMac4,1", { - DMI_MATCH(DMI_BIOS_VENDOR,"Apple Computer, Inc."), - DMI_MATCH(DMI_PRODUCT_NAME,"iMac4,1") }, (void*)M_I17}, - { set_system, "MacBookPro1,1", { - DMI_MATCH(DMI_BIOS_VENDOR,"Apple Computer, Inc."), - DMI_MATCH(DMI_PRODUCT_NAME,"MacBookPro1,1") }, (void*)M_I17}, - { set_system, "MacBook1,1", { - DMI_MATCH(DMI_BIOS_VENDOR,"Apple Computer, Inc."), - DMI_MATCH(DMI_PRODUCT_NAME,"MacBook1,1")}, (void *)M_MACBOOK}, - { set_system, "Macmini1,1", { - DMI_MATCH(DMI_BIOS_VENDOR,"Apple Computer, Inc."), - DMI_MATCH(DMI_PRODUCT_NAME,"Macmini1,1")}, (void *)M_MINI}, - {}, -}; - -#define DEFAULT_FB_MEM 1024*1024*16 - -/* --------------------------------------------------------------------- */ - -static int imacfb_setcolreg(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, - struct fb_info *info) -{ - /* - * Set a single color register. The values supplied are - * already rounded down to the hardware's capabilities - * (according to the entries in the `var' structure). Return - * != 0 for invalid regno. - */ - - if (regno >= info->cmap.len) - return 1; - - if (regno < 16) { - red >>= 8; - green >>= 8; - blue >>= 8; - ((u32 *)(info->pseudo_palette))[regno] = - (red << info->var.red.offset) | - (green << info->var.green.offset) | - (blue << info->var.blue.offset); - } - return 0; -} - -static struct fb_ops imacfb_ops = { - .owner = THIS_MODULE, - .fb_setcolreg = imacfb_setcolreg, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, -}; - -static int __init imacfb_setup(char *options) -{ - char *this_opt; - - if (!options || !*options) - return 0; - - while ((this_opt = strsep(&options, ",")) != NULL) { - if (!*this_opt) continue; - - if (!strcmp(this_opt, "inverse")) - inverse = 1; - else if (!strcmp(this_opt, "i17")) - model = M_I17; - else if (!strcmp(this_opt, "i20")) - model = M_I20; - else if (!strcmp(this_opt, "mini")) - model = M_MINI; - else if (!strcmp(this_opt, "macbook")) - model = M_MACBOOK; - else if (!strncmp(this_opt, "height:", 7)) - manual_height = simple_strtoul(this_opt+7, NULL, 0); - else if (!strncmp(this_opt, "width:", 6)) - manual_width = simple_strtoul(this_opt+6, NULL, 0); - } - return 0; -} - -static int __init imacfb_probe(struct platform_device *dev) -{ - struct fb_info *info; - int err; - unsigned int size_vmode; - unsigned int size_remap; - unsigned int size_total; - - screen_info.lfb_depth = 32; - screen_info.lfb_size = DEFAULT_FB_MEM / 0x10000; - screen_info.pages=1; - screen_info.blue_size = 8; - screen_info.blue_pos = 0; - screen_info.green_size = 8; - screen_info.green_pos = 8; - screen_info.red_size = 8; - screen_info.red_pos = 16; - screen_info.rsvd_size = 8; - screen_info.rsvd_pos = 24; - - switch (model) { - case M_I17: - screen_info.lfb_width = 1440; - screen_info.lfb_height = 900; - screen_info.lfb_linelength = 1472 * 4; - screen_info.lfb_base = 0x80010000; - break; - case M_I20: - screen_info.lfb_width = 1680; - screen_info.lfb_height = 1050; - screen_info.lfb_linelength = 1728 * 4; - screen_info.lfb_base = 0x80010000; - break; - case M_MINI: - screen_info.lfb_width = 1024; - screen_info.lfb_height = 768; - screen_info.lfb_linelength = 2048 * 4; - screen_info.lfb_base = 0x80000000; - break; - case M_MACBOOK: - screen_info.lfb_width = 1280; - screen_info.lfb_height = 800; - screen_info.lfb_linelength = 2048 * 4; - screen_info.lfb_base = 0x80000000; - break; - } - - /* if the user wants to manually specify height/width, - we will override the defaults */ - /* TODO: eventually get auto-detection working */ - if (manual_height > 0) - screen_info.lfb_height = manual_height; - if (manual_width > 0) - screen_info.lfb_width = manual_width; - - imacfb_fix.smem_start = screen_info.lfb_base; - imacfb_defined.bits_per_pixel = screen_info.lfb_depth; - imacfb_defined.xres = screen_info.lfb_width; - imacfb_defined.yres = screen_info.lfb_height; - imacfb_fix.line_length = screen_info.lfb_linelength; - - /* size_vmode -- that is the amount of memory needed for the - * used video mode, i.e. the minimum amount of - * memory we need. */ - size_vmode = imacfb_defined.yres * imacfb_fix.line_length; - - /* size_total -- all video memory we have. Used for - * entries, ressource allocation and bounds - * checking. */ - size_total = screen_info.lfb_size * 65536; - if (size_total < size_vmode) - size_total = size_vmode; - - /* size_remap -- the amount of video memory we are going to - * use for imacfb. With modern cards it is no - * option to simply use size_total as that - * wastes plenty of kernel address space. */ - size_remap = size_vmode * 2; - if (size_remap < size_vmode) - size_remap = size_vmode; - if (size_remap > size_total) - size_remap = size_total; - imacfb_fix.smem_len = size_remap; - - if (!request_mem_region(imacfb_fix.smem_start, size_total, "imacfb")) { - printk(KERN_WARNING - "imacfb: cannot reserve video memory at 0x%lx\n", - imacfb_fix.smem_start); - /* We cannot make this fatal. Sometimes this comes from magic - spaces our resource handlers simply don't know about */ - } - - info = framebuffer_alloc(sizeof(u32) * 16, &dev->dev); - if (!info) { - err = -ENOMEM; - goto err_release_mem; - } - info->pseudo_palette = info->par; - info->par = NULL; - - info->screen_base = ioremap(imacfb_fix.smem_start, imacfb_fix.smem_len); - if (!info->screen_base) { - printk(KERN_ERR "imacfb: abort, cannot ioremap video memory " - "0x%x @ 0x%lx\n", - imacfb_fix.smem_len, imacfb_fix.smem_start); - err = -EIO; - goto err_unmap; - } - - printk(KERN_INFO "imacfb: framebuffer at 0x%lx, mapped to 0x%p, " - "using %dk, total %dk\n", - imacfb_fix.smem_start, info->screen_base, - size_remap/1024, size_total/1024); - printk(KERN_INFO "imacfb: mode is %dx%dx%d, linelength=%d, pages=%d\n", - imacfb_defined.xres, imacfb_defined.yres, - imacfb_defined.bits_per_pixel, imacfb_fix.line_length, - screen_info.pages); - - imacfb_defined.xres_virtual = imacfb_defined.xres; - imacfb_defined.yres_virtual = imacfb_fix.smem_len / - imacfb_fix.line_length; - printk(KERN_INFO "imacfb: scrolling: redraw\n"); - imacfb_defined.yres_virtual = imacfb_defined.yres; - - /* some dummy values for timing to make fbset happy */ - imacfb_defined.pixclock = 10000000 / imacfb_defined.xres * - 1000 / imacfb_defined.yres; - imacfb_defined.left_margin = (imacfb_defined.xres / 8) & 0xf8; - imacfb_defined.hsync_len = (imacfb_defined.xres / 8) & 0xf8; - - imacfb_defined.red.offset = screen_info.red_pos; - imacfb_defined.red.length = screen_info.red_size; - imacfb_defined.green.offset = screen_info.green_pos; - imacfb_defined.green.length = screen_info.green_size; - imacfb_defined.blue.offset = screen_info.blue_pos; - imacfb_defined.blue.length = screen_info.blue_size; - imacfb_defined.transp.offset = screen_info.rsvd_pos; - imacfb_defined.transp.length = screen_info.rsvd_size; - - printk(KERN_INFO "imacfb: %s: " - "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n", - "Truecolor", - screen_info.rsvd_size, - screen_info.red_size, - screen_info.green_size, - screen_info.blue_size, - screen_info.rsvd_pos, - screen_info.red_pos, - screen_info.green_pos, - screen_info.blue_pos); - - imacfb_fix.ypanstep = 0; - imacfb_fix.ywrapstep = 0; - - /* request failure does not faze us, as vgacon probably has this - * region already (FIXME) */ - request_region(0x3c0, 32, "imacfb"); - - info->fbops = &imacfb_ops; - info->var = imacfb_defined; - info->fix = imacfb_fix; - info->flags = FBINFO_FLAG_DEFAULT; - - if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) { - err = -ENOMEM; - goto err_unmap; - } - if (register_framebuffer(info)<0) { - err = -EINVAL; - goto err_fb_dealoc; - } - printk(KERN_INFO "fb%d: %s frame buffer device\n", - info->node, info->fix.id); - return 0; - -err_fb_dealoc: - fb_dealloc_cmap(&info->cmap); -err_unmap: - iounmap(info->screen_base); - framebuffer_release(info); -err_release_mem: - release_mem_region(imacfb_fix.smem_start, size_total); - return err; -} - -static struct platform_driver imacfb_driver = { - .probe = imacfb_probe, - .driver = { - .name = "imacfb", - }, -}; - -static struct platform_device imacfb_device = { - .name = "imacfb", -}; - -static int __init imacfb_init(void) -{ - int ret; - char *option = NULL; - - if (!efi_enabled) - return -ENODEV; - if (!dmi_check_system(dmi_system_table)) - return -ENODEV; - if (model == M_UNKNOWN) - return -ENODEV; - - if (fb_get_options("imacfb", &option)) - return -ENODEV; - - imacfb_setup(option); - ret = platform_driver_register(&imacfb_driver); - - if (!ret) { - ret = platform_device_register(&imacfb_device); - if (ret) - platform_driver_unregister(&imacfb_driver); - } - return ret; -} -module_init(imacfb_init); - -MODULE_LICENSE("GPL"); |
