diff options
| author | Edgar Hucek <hostmaster@ed-soft.at> | 2006-08-13 23:24:16 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-08-14 12:54:28 -0700 |
| commit | b64ef8afa58f397e1eaba2bd9ecaa6812064d464 (patch) | |
| tree | 2e8a312cbf4ff9df84ecee3ea2eca5c0c349d9a2 /drivers/video | |
| parent | e9fa4f7bd291c29a785666e2fa5a9cf3241ee6c3 (diff) | |
[PATCH] add imacfb documentation and detection
Add basic Machine detection to imacfb and some Ducumentation bits for
imacfb.
Signed-off-by: Edgar Hucek <hostmaster@ed-soft.at>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/video/imacfb.c | 49 |
2 files changed, 45 insertions, 6 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index c40b9b8b1e7e..702eb933cf88 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -554,7 +554,7 @@ config FB_VESA config FB_IMAC bool "Intel-based Macintosh Framebuffer Support" - depends on (FB = y) && X86 + depends on (FB = y) && X86 && EFI select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT diff --git a/drivers/video/imacfb.c b/drivers/video/imacfb.c index ff233b84dec4..b485bece5fc9 100644 --- a/drivers/video/imacfb.c +++ b/drivers/video/imacfb.c @@ -18,6 +18,8 @@ #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> @@ -28,7 +30,7 @@ typedef enum _MAC_TYPE { M_I20, M_MINI, M_MACBOOK, - M_NEW + M_UNKNOWN } MAC_TYPE; /* --------------------------------------------------------------------- */ @@ -52,10 +54,36 @@ static struct fb_fix_screeninfo imacfb_fix __initdata = { }; static int inverse; -static int model = M_NEW; +static int model = M_UNKNOWN; static int manual_height; static int manual_width; +static int set_system(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_BIOS_VERSION,"iMac4,1") }, (void*)M_I17}, + { set_system, "MacBookPro1,1", { + DMI_MATCH(DMI_BIOS_VENDOR,"Apple Computer, Inc."), + DMI_MATCH(DMI_BIOS_VERSION,"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 /* --------------------------------------------------------------------- */ @@ -149,7 +177,6 @@ static int __init imacfb_probe(struct platform_device *dev) screen_info.lfb_linelength = 1472 * 4; screen_info.lfb_base = 0x80010000; break; - case M_NEW: case M_I20: screen_info.lfb_width = 1680; screen_info.lfb_height = 1050; @@ -207,6 +234,10 @@ static int __init imacfb_probe(struct platform_device *dev) size_remap = size_total; imacfb_fix.smem_len = size_remap; +#ifndef __i386__ + screen_info.imacpm_seg = 0; +#endif + if (!request_mem_region(imacfb_fix.smem_start, size_total, "imacfb")) { printk(KERN_WARNING "imacfb: cannot reserve video memory at 0x%lx\n", @@ -324,8 +355,16 @@ static int __init imacfb_init(void) int ret; char *option = NULL; - /* ignore error return of fb_get_options */ - fb_get_options("imacfb", &option); + 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); |