diff options
Diffstat (limited to 'drivers/video/via/accel.c')
-rw-r--r-- | drivers/video/via/accel.c | 78 |
1 files changed, 33 insertions, 45 deletions
diff --git a/drivers/video/via/accel.c b/drivers/video/via/accel.c index a52147cf7f09..7c1d9c41623d 100644 --- a/drivers/video/via/accel.c +++ b/drivers/video/via/accel.c @@ -20,12 +20,42 @@ */ #include "global.h" +/* + * Figure out an appropriate bytes-per-pixel setting. + */ +static int viafb_set_bpp(void __iomem *engine, u8 bpp) +{ + u32 gemode; + + /* Preserve the reserved bits */ + /* Lowest 2 bits to zero gives us no rotation */ + gemode = readl(engine + VIA_REG_GEMODE) & 0xfffffcfc; + switch (bpp) { + case 8: + gemode |= VIA_GEM_8bpp; + break; + case 16: + gemode |= VIA_GEM_16bpp; + break; + case 32: + gemode |= VIA_GEM_32bpp; + break; + default: + printk(KERN_WARNING "viafb_set_bpp: Unsupported bpp %d\n", bpp); + return -EINVAL; + } + writel(gemode, engine + VIA_REG_GEMODE); + return 0; +} + + static int hw_bitblt_1(void __iomem *engine, u8 op, u32 width, u32 height, u8 dst_bpp, u32 dst_addr, u32 dst_pitch, u32 dst_x, u32 dst_y, u32 *src_mem, u32 src_addr, u32 src_pitch, u32 src_x, u32 src_y, u32 fg_color, u32 bg_color, u8 fill_rop) { u32 ge_cmd = 0, tmp, i; + int ret; if (!op || op > 3) { printk(KERN_WARNING "hw_bitblt_1: Invalid operation: %d\n", op); @@ -59,22 +89,9 @@ static int hw_bitblt_1(void __iomem *engine, u8 op, u32 width, u32 height, } } - switch (dst_bpp) { - case 8: - tmp = 0x00000000; - break; - case 16: - tmp = 0x00000100; - break; - case 32: - tmp = 0x00000300; - break; - default: - printk(KERN_WARNING "hw_bitblt_1: Unsupported bpp %d\n", - dst_bpp); - return -EINVAL; - } - writel(tmp, engine + 0x04); + ret = viafb_set_bpp(engine, dst_bpp); + if (ret) + return ret; if (op != VIA_BITBLT_FILL) { if (src_x & (op == VIA_BITBLT_MONO ? 0xFFFF8000 : 0xFFFFF000) @@ -165,35 +182,6 @@ static int hw_bitblt_1(void __iomem *engine, u8 op, u32 width, u32 height, return 0; } -/* - * Figure out an appropriate bytes-per-pixel setting. - */ -static int viafb_set_bpp(void __iomem *engine, u8 bpp) -{ - u32 gemode; - - /* Preserve the reserved bits */ - /* Lowest 2 bits to zero gives us no rotation */ - gemode = readl(engine + VIA_REG_GEMODE) & 0xfffffcfc; - switch (bpp) { - case 8: - gemode |= VIA_GEM_8bpp; - break; - case 16: - gemode |= VIA_GEM_16bpp; - break; - case 32: - gemode |= VIA_GEM_32bpp; - break; - default: - printk(KERN_WARNING "hw_bitblt_2: Unsupported bpp %d\n", bpp); - return -EINVAL; - } - writel(gemode, engine + VIA_REG_GEMODE); - return 0; -} - - static int hw_bitblt_2(void __iomem *engine, u8 op, u32 width, u32 height, u8 dst_bpp, u32 dst_addr, u32 dst_pitch, u32 dst_x, u32 dst_y, u32 *src_mem, u32 src_addr, u32 src_pitch, u32 src_x, u32 src_y, |