提交 e7f76df9 编写于 作者: K Krzysztof Helt 提交者: Linus Torvalds

pm3fb: copyarea and partial imageblit suppor

This patch adds accelerated copyarea and partially accelerated imageblit
functions. There is also fixed one register address in the pm3fb.h file.
Signed-off-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: NAntonino Daplas <adaplas@gmail.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 0a0b53f6
......@@ -276,15 +276,22 @@ static void pm3fb_init_engine(struct fb_info *info)
PM3_WAIT(par, 2);
{
unsigned long rm = 1;
/* invert bits in bitmask */
unsigned long rm = 1 | (3 << 7);
switch (info->var.bits_per_pixel) {
case 8:
PM3_WRITE_REG(par, PM3PixelSize,
PM3PixelSize_GLOBAL_8BIT);
#ifdef __BIG_ENDIAN
rm |= 3 << 15;
#endif
break;
case 16:
PM3_WRITE_REG(par, PM3PixelSize,
PM3PixelSize_GLOBAL_16BIT);
#ifdef __BIG_ENDIAN
rm |= 2 << 15;
#endif
break;
case 32:
PM3_WRITE_REG(par, PM3PixelSize,
......@@ -394,18 +401,18 @@ static void pm3fb_fillrect (struct fb_info *info,
color |= color << 16;
PM3_WAIT(par, 4);
/* ROP Ox3 is GXcopy */
PM3_WRITE_REG(par, PM3Config2D,
PM3Config2D_UseConstantSource |
PM3Config2D_ForegroundROPEnable |
(PM3Config2D_ForegroundROP(0x3)) | /* Ox3 is GXcopy */
PM3Config2D_FBWriteEnable);
PM3Config2D_UseConstantSource |
PM3Config2D_ForegroundROPEnable |
(PM3Config2D_ForegroundROP(0x3)) |
PM3Config2D_FBWriteEnable);
PM3_WRITE_REG(par, PM3ForegroundColor, color);
PM3_WRITE_REG(par, PM3RectanglePosition,
(PM3RectanglePosition_XOffset(modded.dx)) |
(PM3RectanglePosition_YOffset(modded.dy)));
(PM3RectanglePosition_XOffset(modded.dx)) |
(PM3RectanglePosition_YOffset(modded.dy)));
PM3_WRITE_REG(par, PM3Render2D,
PM3Render2D_XPositive |
......@@ -415,6 +422,154 @@ static void pm3fb_fillrect (struct fb_info *info,
(PM3Render2D_Width(modded.width)) |
(PM3Render2D_Height(modded.height)));
}
static void pm3fb_copyarea(struct fb_info *info,
const struct fb_copyarea *area)
{
struct pm3_par *par = info->par;
struct fb_copyarea modded;
u32 vxres, vyres;
int x_align, o_x, o_y;
if (info->state != FBINFO_STATE_RUNNING)
return;
if (info->flags & FBINFO_HWACCEL_DISABLED) {
cfb_copyarea(info, area);
return;
}
memcpy(&modded, area, sizeof(struct fb_copyarea));
vxres = info->var.xres_virtual;
vyres = info->var.yres_virtual;
if(!modded.width || !modded.height ||
modded.sx >= vxres || modded.sy >= vyres ||
modded.dx >= vxres || modded.dy >= vyres)
return;
if(modded.sx + modded.width > vxres)
modded.width = vxres - modded.sx;
if(modded.dx + modded.width > vxres)
modded.width = vxres - modded.dx;
if(modded.sy + modded.height > vyres)
modded.height = vyres - modded.sy;
if(modded.dy + modded.height > vyres)
modded.height = vyres - modded.dy;
o_x = modded.sx - modded.dx; /*(sx > dx ) ? (sx - dx) : (dx - sx); */
o_y = modded.sy - modded.dy; /*(sy > dy ) ? (sy - dy) : (dy - sy); */
x_align = (modded.sx & 0x1f);
PM3_WAIT(par, 6);
PM3_WRITE_REG(par, PM3Config2D,
PM3Config2D_UserScissorEnable |
PM3Config2D_ForegroundROPEnable |
PM3Config2D_Blocking |
(PM3Config2D_ForegroundROP(0x3)) | /* Ox3 is GXcopy */
PM3Config2D_FBWriteEnable);
PM3_WRITE_REG(par, PM3ScissorMinXY,
((modded.dy & 0x0fff) << 16) | (modded.dx & 0x0fff));
PM3_WRITE_REG(par, PM3ScissorMaxXY,
(((modded.dy + modded.height) & 0x0fff) << 16) |
((modded.dx + modded.width) & 0x0fff));
PM3_WRITE_REG(par, PM3FBSourceReadBufferOffset,
PM3FBSourceReadBufferOffset_XOffset(o_x) |
PM3FBSourceReadBufferOffset_YOffset(o_y));
PM3_WRITE_REG(par, PM3RectanglePosition,
(PM3RectanglePosition_XOffset(modded.dx - x_align)) |
(PM3RectanglePosition_YOffset(modded.dy)));
PM3_WRITE_REG(par, PM3Render2D,
((modded.sx > modded.dx) ? PM3Render2D_XPositive : 0) |
((modded.sy > modded.dy) ? PM3Render2D_YPositive : 0) |
PM3Render2D_Operation_Normal |
PM3Render2D_SpanOperation |
PM3Render2D_FBSourceReadEnable |
(PM3Render2D_Width(modded.width + x_align)) |
(PM3Render2D_Height(modded.height)));
}
static void pm3fb_imageblit(struct fb_info *info, const struct fb_image *image)
{
struct pm3_par *par = info->par;
u32 height = image->height;
u32 fgx, bgx;
const u32 *src = (const u32*)image->data;
switch (info->fix.visual) {
case FB_VISUAL_PSEUDOCOLOR:
fgx = image->fg_color;
bgx = image->bg_color;
break;
case FB_VISUAL_TRUECOLOR:
default:
fgx = par->palette[image->fg_color];
bgx = par->palette[image->bg_color];
break;
}
if (image->depth != 1 || (image->width & 0x1f)) {
return cfb_imageblit(info, image);
}
if (info->var.bits_per_pixel == 8) {
fgx |= fgx << 8;
bgx |= bgx << 8;
}
if (info->var.bits_per_pixel <= 16) {
fgx |= fgx << 16;
bgx |= bgx << 16;
}
PM3_WAIT(par, 5);
PM3_WRITE_REG(par, PM3ForegroundColor, fgx);
PM3_WRITE_REG(par, PM3BackgroundColor, bgx);
/* ROP Ox3 is GXcopy */
PM3_WRITE_REG(par, PM3Config2D,
PM3Config2D_UseConstantSource |
PM3Config2D_ForegroundROPEnable |
(PM3Config2D_ForegroundROP(0x3)) |
PM3Config2D_OpaqueSpan |
PM3Config2D_FBWriteEnable);
PM3_WRITE_REG(par, PM3RectanglePosition,
(PM3RectanglePosition_XOffset(image->dx)) |
(PM3RectanglePosition_YOffset(image->dy)));
PM3_WRITE_REG(par, PM3Render2D,
PM3Render2D_XPositive |
PM3Render2D_YPositive |
PM3Render2D_Operation_SyncOnBitMask |
PM3Render2D_SpanOperation |
(PM3Render2D_Width(image->width)) |
(PM3Render2D_Height(image->height)));
while (height--) {
u32 width = (image->width + 31) >> 5;
while (width >= PM3_FIFO_SIZE) {
int i = PM3_FIFO_SIZE - 1;
PM3_WAIT(par, PM3_FIFO_SIZE);
while (i--) {
PM3_WRITE_REG(par, PM3BitMaskPattern, *src);
src++;
}
width -= PM3_FIFO_SIZE - 1;
}
PM3_WAIT(par, width + 1);
while (width--) {
PM3_WRITE_REG(par, PM3BitMaskPattern, *src);
src++;
}
}
}
/* end of acceleration functions */
/* write the mode to registers */
......@@ -907,8 +1062,8 @@ static struct fb_ops pm3fb_ops = {
.fb_setcolreg = pm3fb_setcolreg,
.fb_pan_display = pm3fb_pan_display,
.fb_fillrect = pm3fb_fillrect,
.fb_copyarea = cfb_copyarea,
.fb_imageblit = cfb_imageblit,
.fb_copyarea = pm3fb_copyarea,
.fb_imageblit = pm3fb_imageblit,
.fb_blank = pm3fb_blank,
.fb_sync = pm3fb_sync,
};
......@@ -1080,7 +1235,10 @@ static int __devinit pm3fb_probe(struct pci_dev *dev,
info->fix = pm3fb_fix;
info->pseudo_palette = par->palette;
info->flags = FBINFO_DEFAULT |
FBINFO_HWACCEL_FILLRECT;/* | FBINFO_HWACCEL_YPAN;*/
/* FBINFO_HWACCEL_YPAN |*/
FBINFO_HWACCEL_COPYAREA |
FBINFO_HWACCEL_IMAGEBLIT |
FBINFO_HWACCEL_FILLRECT;
/*
* This should give a reasonable default video mode. The following is
......
......@@ -849,7 +849,7 @@
#define PM3Render_FBSourceRead_Enable (1<<27)
#define PM3RasterizerMode 0x80a0
#define PM3RasterizerModeAnd 0xaba0
#define PM3RasterizerModeOr 0xabb8
#define PM3RasterizerModeOr 0xaba8
#define PM3RectangleHeight 0x94e0
#define PM3Render 0x8038
#define PM3RepeatLine 0x9328
......@@ -1116,6 +1116,9 @@
/* ***** pm3fb useful define and macro ***** */
/* ***************************************** */
/* fifo size in chip */
#define PM3_FIFO_SIZE 120
/* max size of options */
#define PM3_OPTIONS_SIZE 256
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册