diff options
| -rw-r--r-- | Documentation/fb/imacfb.txt | 31 | ||||
| -rw-r--r-- | drivers/video/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/video/imacfb.c | 49 |
3 files changed, 76 insertions, 6 deletions
diff --git a/Documentation/fb/imacfb.txt b/Documentation/fb/imacfb.txt new file mode 100644 index 00000000000..759028545a7 --- /dev/null +++ b/Documentation/fb/imacfb.txt @@ -0,0 +1,31 @@ + +What is imacfb? +=============== + +This is a generic EFI platform driver for Intel based Apple computers. +Imacfb is only for EFI booted Intel Macs. + +Supported Hardware +================== + +iMac 17"/20" +Macbook +Macbook Pro 15"/17" +MacMini + +How to use it? +============== + +Imacfb does not have any kind of autodetection of your machine. +You have to add the fillowing kernel parameters in your elilo.conf: + Macbook : + video=imacfb:macbook + MacMini : + video=imacfb:mini + Macbook Pro 15", iMac 17" : + video=imacfb:i17 + Macbook Pro 17", iMac 20" : + video=imacfb:i20 + +-- +Edgar Hucek <gimli@dark-green.com> diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index c40b9b8b1e7..702eb933cf8 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 ff233b84dec..b485bece5fc 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); |