+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;
+}
+