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tridentfb: add imageblit acceleration for Blade3D family

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Add imageblit acceleration for the Blade3D family of cores.  The code is
based on code from the cyblafb driver.

It is a step toward assimilating back the cyblafb driver into the
tridentfb driver.  The cyblafb driver handles a subfamily of the Trident
Blade3d cores.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Krzysztof Helt 2008-07-23 21:31:08 -07:00 committed by Linus Torvalds
parent 6280fd4f9c
commit 0292be4a38
2 changed files with 77 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

79
drivers/video/tridentfb.c
View File

@ -35,11 +35,12 @@ struct tridentfb_par {
(struct tridentfb_par *par, u32, u32, u32, u32, u32, u32);
void (*copy_rect)
(struct tridentfb_par *par, u32, u32, u32, u32, u32, u32);
void (*image_blit)
(struct tridentfb_par *par, const char*,
u32, u32, u32, u32, u32, u32);
unsigned char eng_oper; /* engine operation... */
};
static struct fb_ops tridentfb_ops;
static struct fb_fix_screeninfo tridentfb_fix = {
.id = "Trident",
.type = FB_TYPE_PACKED_PIXELS,
@ -212,6 +213,21 @@ static void blade_fill_rect(struct tridentfb_par *par,
writemmr(par, DST2, point(x + w - 1, y + h - 1));
}
static void blade_image_blit(struct tridentfb_par *par, const char *data,
u32 x, u32 y, u32 w, u32 h, u32 c, u32 b)
{
unsigned size = ((w + 31) >> 5) * h;
writemmr(par, COLOR, c);
writemmr(par, BGCOLOR, b);
writemmr(par, CMD, 0xa0000000 | 3 << 19);
writemmr(par, DST1, point(x, y));
writemmr(par, DST2, point(x + w - 1, y + h - 1));
memcpy(par->io_virt + 0x10000, data, 4 * size);
}
static void blade_copy_rect(struct tridentfb_par *par,
u32 x1, u32 y1, u32 x2, u32 y2, u32 w, u32 h)
{
@ -497,6 +513,36 @@ static void tridentfb_fillrect(struct fb_info *info,
fr->height, col, fr->rop);
}
static void tridentfb_imageblit(struct fb_info *info,
const struct fb_image *img)
{
struct tridentfb_par *par = info->par;
int col, bgcol;
if ((info->flags & FBINFO_HWACCEL_DISABLED) || img->depth != 1) {
cfb_imageblit(info, img);
return;
}
if (info->var.bits_per_pixel == 8) {
col = img->fg_color;
col |= col << 8;
col |= col << 16;
bgcol = img->bg_color;
bgcol |= bgcol << 8;
bgcol |= bgcol << 16;
} else {
col = ((u32 *)(info->pseudo_palette))[img->fg_color];
bgcol = ((u32 *)(info->pseudo_palette))[img->bg_color];
}
par->wait_engine(par);
if (par->image_blit)
par->image_blit(par, img->data, img->dx, img->dy,
img->width, img->height, col, bgcol);
else
cfb_imageblit(info, img);
}
static void tridentfb_copyarea(struct fb_info *info,
const struct fb_copyarea *ca)
{
@ -522,6 +568,7 @@ static int tridentfb_sync(struct fb_info *info)
#else
#define tridentfb_fillrect cfb_fillrect
#define tridentfb_copyarea cfb_copyarea
#define tridentfb_imageblit cfb_imageblit
#endif /* CONFIG_FB_TRIDENT_ACCEL */
/*
@ -1285,7 +1332,7 @@ static struct fb_ops tridentfb_ops = {
.fb_set_par = tridentfb_set_par,
.fb_fillrect = tridentfb_fillrect,
.fb_copyarea = tridentfb_copyarea,
.fb_imageblit = cfb_imageblit,
.fb_imageblit = tridentfb_imageblit,
#ifdef CONFIG_FB_TRIDENT_ACCEL
.fb_sync = tridentfb_sync,
#endif
@ -1369,6 +1416,7 @@ static int __devinit trident_pci_probe(struct pci_dev *dev,
default_par->wait_engine = blade_wait_engine;
default_par->fill_rect = blade_fill_rect;
default_par->copy_rect = blade_copy_rect;
default_par->image_blit = blade_image_blit;
tridentfb_fix.accel = FB_ACCEL_TRIDENT_BLADE3D;
} else if (chip3D) { /* 3DImage family left */
default_par->init_accel = image_init_accel;
@ -1446,6 +1494,29 @@ static int __devinit trident_pci_probe(struct pci_dev *dev,
} else
info->flags |= FBINFO_HWACCEL_DISABLED;
info->pixmap.addr = kmalloc(4096, GFP_KERNEL);
if (!info->pixmap.addr) {
err = -ENOMEM;
goto out_unmap2;
}
info->pixmap.size = 4096;
info->pixmap.buf_align = 4;
info->pixmap.scan_align = 1;
info->pixmap.access_align = 32;
info->pixmap.flags = FB_PIXMAP_SYSTEM;
if (default_par->image_blit) {
info->flags |= FBINFO_HWACCEL_IMAGEBLIT;
info->pixmap.scan_align = 4;
}
if (noaccel) {
printk(KERN_DEBUG "disabling acceleration\n");
info->flags |= FBINFO_HWACCEL_DISABLED;
info->pixmap.scan_align = 1;
}
if (!fb_find_mode(&info->var, info,
mode_option, NULL, 0, NULL, bpp)) {
err = -EINVAL;
@ -1471,6 +1542,7 @@ static int __devinit trident_pci_probe(struct pci_dev *dev,
return 0;
out_unmap2:
kfree(info->pixmap.addr);
if (info->screen_base)
iounmap(info->screen_base);
release_mem_region(tridentfb_fix.smem_start, tridentfb_fix.smem_len);
@ -1494,6 +1566,7 @@ static void __devexit trident_pci_remove(struct pci_dev *dev)
release_mem_region(tridentfb_fix.smem_start, tridentfb_fix.smem_len);
release_mem_region(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len);
pci_set_drvdata(dev, NULL);
kfree(info->pixmap.addr);
framebuffer_release(info);
}

1
include/video/trident.h
View File

@ -135,6 +135,7 @@
#define CMD 0x2144
#define ROP 0x2148
#define COLOR 0x2160
#define BGCOLOR 0x2164
#define SRC1 0x2100
#define SRC2 0x2104
#define DST1 0x2108