diff options
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/offb.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/video/offb.c b/drivers/video/offb.c index 915acae..da7cf79 100644 --- a/drivers/video/offb.c +++ b/drivers/video/offb.c @@ -41,13 +41,14 @@ /* Supported palette hacks */ enum { cmap_unknown, - cmap_m64, /* ATI Mach64 */ + cmap_simple, /* ATI Mach64 */ cmap_r128, /* ATI Rage128 */ cmap_M3A, /* ATI Rage Mobility M3 Head A */ cmap_M3B, /* ATI Rage Mobility M3 Head B */ cmap_radeon, /* ATI Radeon */ cmap_gxt2000, /* IBM GXT2000 */ cmap_avivo, /* ATI R5xx */ + cmap_qemu, /* qemu vga */ }; struct offb_par { @@ -138,7 +139,7 @@ static int offb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, return 0; switch (par->cmap_type) { - case cmap_m64: + case cmap_simple: writeb(regno, par->cmap_adr); writeb(red, par->cmap_data); writeb(green, par->cmap_data); @@ -208,7 +209,7 @@ static int offb_blank(int blank, struct fb_info *info) if (blank) for (i = 0; i < 256; i++) { switch (par->cmap_type) { - case cmap_m64: + case cmap_simple: writeb(i, par->cmap_adr); for (j = 0; j < 3; j++) writeb(0, par->cmap_data); @@ -350,7 +351,7 @@ static void offb_init_palette_hacks(struct fb_info *info, struct device_node *dp par->cmap_adr = ioremap(base + 0x7ff000, 0x1000) + 0xcc0; par->cmap_data = par->cmap_adr + 1; - par->cmap_type = cmap_m64; + par->cmap_type = cmap_simple; } else if (dp && (of_device_is_compatible(dp, "pci1014,b7") || of_device_is_compatible(dp, "pci1014,21c"))) { par->cmap_adr = offb_map_reg(dp, 0, 0x6000, 0x1000); @@ -371,6 +372,16 @@ static void offb_init_palette_hacks(struct fb_info *info, struct device_node *dp par->cmap_type = cmap_avivo; } of_node_put(pciparent); + } else if (dp && of_device_is_compatible(dp, "qemu,std-vga")) { + const u32 io_of_addr[3] = { 0x01000000, 0x0, 0x0 }; + u64 io_addr = of_translate_address(dp, io_of_addr); + if (io_addr != OF_BAD_ADDR) { + par->cmap_adr = ioremap(io_addr + 0x3c8, 2); + if (par->cmap_adr) { + par->cmap_type = cmap_simple; + par->cmap_data = par->cmap_adr + 1; + } + } } info->fix.visual = (par->cmap_type != cmap_unknown) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_STATIC_PSEUDOCOLOR; |