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yaml
---
r: 193551
b: refs/heads/master
c: f1b99aa
h: refs/heads/master
i:
  193549: d0ce01d
  193547: 6556e2d
  193543: 3227c78
  193535: e2bc907
v: v3
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Jonathan Corbet committed Apr 20, 2010
1 parent fc6380b commit 7c2daff
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Showing 2 changed files with 34 additions and 46 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 9ca43cf41d014e12f4b25d4538f362d7513448dd
refs/heads/master: f1b99aa9dbe908b2839885aa999d6e8512fe1040
78 changes: 33 additions & 45 deletions trunk/drivers/video/via/accel.c
Original file line number Diff line number Diff line change
Expand Up @@ -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);
Expand Down Expand Up @@ -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)
Expand Down Expand Up @@ -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,
Expand Down

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