static void i810_accel_bmove(struct display *p, int sy, int sx,
int dy, int dx, int height, int width)
{
struct blit_data rect;
int depth;
if (i810_accel->lockup || not_safe())
return;
rect.rop = PAT_COPY_ROP;
dy *= fontheight(p);
sy *= fontheight(p);
rect.dheight = height * fontheight(p);
depth = (p->var.bits_per_pixel + 7) >> 3;
switch (depth) {
case 1:
rect.blit_bpp = BPP8;
break;
case 2:
rect.blit_bpp = BPP16;
break;
case 3:
rect.blit_bpp = BPP24;
break;
}
sx *= fontwidth(p) * depth;
dx *= fontwidth(p) * depth;
rect.dwidth = width * fontwidth(p) * depth;
if (dx <= sx)
rect.xdir = INCREMENT;
else {
rect.xdir = DECREMENT;
sx += rect.dwidth - 1;
dx += rect.dwidth - 1;
}
if (dy <= sy)
rect.dpitch = p->next_line;
else {
rect.dpitch = (-(p->next_line)) & 0xFFFF;
sy += rect.dheight - 1;
dy += rect.dheight - 1;
}
rect.spitch = rect.dpitch;
rect.s_addr[0] = (i810_accel->fb_offset << 12) + (sy * p->next_line) + sx;
rect.d_addr = (i810_accel->fb_offset << 12) + (dy * p->next_line) + dx;
source_copy_blit(&rect);
}
void i810fb_copyarea(struct fb_info *info, const struct fb_copyarea *region)
{
struct i810fb_par *par = info->par;
u32 sx, sy, dx, dy, pitch, width, height, src, dest, xdir;
if (!info->var.accel_flags || par->dev_flags & LOCKUP ||
par->depth == 4) {
cfb_copyarea(info, region);
return;
}
dx = region->dx * par->depth;
sx = region->sx * par->depth;
width = region->width * par->depth;
sy = region->sy;
dy = region->dy;
height = region->height;
if (dx <= sx) {
xdir = INCREMENT;
}
else {
xdir = DECREMENT;
sx += width - 1;
dx += width - 1;
}
if (dy <= sy) {
pitch = info->fix.line_length;
}
else {
pitch = (-(info->fix.line_length)) & 0xFFFF;
sy += height - 1;
dy += height - 1;
}
src = info->fix.smem_start + (sy * info->fix.line_length) + sx;
dest = info->fix.smem_start + (dy * info->fix.line_length) + dx;
source_copy_blit(width, height, pitch, xdir, src, dest,
PAT_COPY_ROP, par->blit_bpp, info);
}