pm2fb: accelerated imageblit
This patch adds accelerated imageblit function.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/video/pm2fb.c b/drivers/video/pm2fb.c
index af615d9..c3abb95 100644
--- a/drivers/video/pm2fb.c
+++ b/drivers/video/pm2fb.c
@@ -60,6 +60,8 @@
#define DPRINTK(a,b...)
#endif
+#define PM2_PIXMAP_SIZE (1600 * 4)
+
/*
* Driver data
*/
@@ -1166,6 +1168,104 @@
modded.width, modded.height, 0);
}
+static void pm2fb_imageblit(struct fb_info *info, const struct fb_image *image)
+{
+ struct pm2fb_par *par = info->par;
+ u32 height = image->height;
+ u32 fgx, bgx;
+ const u32 *src = (const u32*)image->data;
+ u32 xres = (info->var.xres + 31) & ~31;
+
+ if (info->state != FBINFO_STATE_RUNNING)
+ return;
+ if (info->flags & FBINFO_HWACCEL_DISABLED || image->depth != 1) {
+ cfb_imageblit(info, image);
+ return;
+ }
+ 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 (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;
+ }
+
+ WAIT_FIFO(par, 13);
+ pm2_WR(par, PM2R_FB_READ_MODE, partprod(xres));
+ pm2_WR(par, PM2R_SCISSOR_MIN_XY,
+ ((image->dy & 0xfff) << 16) | (image->dx & 0x0fff));
+ pm2_WR(par, PM2R_SCISSOR_MAX_XY,
+ (((image->dy + image->height) & 0x0fff) << 16) |
+ ((image->dx + image->width) & 0x0fff));
+ pm2_WR(par, PM2R_SCISSOR_MODE, 1);
+ /* GXcopy & UNIT_ENABLE */
+ pm2_WR(par, PM2R_LOGICAL_OP_MODE, (0x3 << 1) | 1 );
+ pm2_WR(par, PM2R_RECTANGLE_ORIGIN,
+ ((image->dy & 0xfff) << 16) | (image->dx & 0x0fff));
+ pm2_WR(par, PM2R_RECTANGLE_SIZE,
+ ((image->height & 0x0fff) << 16) |
+ ((image->width) & 0x0fff));
+ if (info->var.bits_per_pixel == 24) {
+ pm2_WR(par, PM2R_COLOR_DDA_MODE, 1);
+ /* clear area */
+ pm2_WR(par, PM2R_CONSTANT_COLOR, bgx);
+ pm2_WR(par, PM2R_RENDER,
+ PM2F_RENDER_RECTANGLE |
+ PM2F_INCREASE_X | PM2F_INCREASE_Y );
+ /* BitMapPackEachScanline & invert bits and byte order*/
+ /* force background */
+ pm2_WR(par, PM2R_RASTERIZER_MODE, (1<<9) | 1 | (3<<7));
+ pm2_WR(par, PM2R_CONSTANT_COLOR, fgx);
+ pm2_WR(par, PM2R_RENDER,
+ PM2F_RENDER_RECTANGLE |
+ PM2F_INCREASE_X | PM2F_INCREASE_Y |
+ PM2F_RENDER_SYNC_ON_BIT_MASK);
+ } else {
+ pm2_WR(par, PM2R_COLOR_DDA_MODE, 0);
+ /* clear area */
+ pm2_WR(par, PM2R_FB_BLOCK_COLOR, bgx);
+ pm2_WR(par, PM2R_RENDER,
+ PM2F_RENDER_RECTANGLE |
+ PM2F_RENDER_FASTFILL |
+ PM2F_INCREASE_X | PM2F_INCREASE_Y );
+ /* invert bits and byte order*/
+ pm2_WR(par, PM2R_RASTERIZER_MODE, 1 | (3<<7) );
+ pm2_WR(par, PM2R_FB_BLOCK_COLOR, fgx);
+ pm2_WR(par, PM2R_RENDER,
+ PM2F_RENDER_RECTANGLE |
+ PM2F_INCREASE_X | PM2F_INCREASE_Y |
+ PM2F_RENDER_FASTFILL |
+ PM2F_RENDER_SYNC_ON_BIT_MASK);
+ }
+
+ while (height--) {
+ int width = ((image->width + 7) >> 3)
+ + info->pixmap.scan_align - 1;
+ width >>= 2;
+ WAIT_FIFO(par, width);
+ while (width--) {
+ pm2_WR(par, PM2R_BIT_MASK_PATTERN, *src);
+ src++;
+ }
+ }
+ WAIT_FIFO(par, 3);
+ pm2_WR(par, PM2R_RASTERIZER_MODE, 0);
+ pm2_WR(par, PM2R_COLOR_DDA_MODE, 0);
+ pm2_WR(par, PM2R_SCISSOR_MODE, 0);
+}
+
/* ------------ Hardware Independent Functions ------------ */
/*
@@ -1181,7 +1281,7 @@
.fb_pan_display = pm2fb_pan_display,
.fb_fillrect = pm2fb_fillrect,
.fb_copyarea = pm2fb_copyarea,
- .fb_imageblit = cfb_imageblit,
+ .fb_imageblit = pm2fb_imageblit,
.fb_sync = pm2fb_sync,
};
@@ -1340,11 +1440,24 @@
info->flags = FBINFO_DEFAULT |
FBINFO_HWACCEL_YPAN |
FBINFO_HWACCEL_COPYAREA |
+ FBINFO_HWACCEL_IMAGEBLIT |
FBINFO_HWACCEL_FILLRECT;
+ info->pixmap.addr = kmalloc(PM2_PIXMAP_SIZE, GFP_KERNEL);
+ if (!info->pixmap.addr) {
+ err_retval = -ENOMEM;
+ goto err_exit_pixmap;
+ }
+ info->pixmap.size = PM2_PIXMAP_SIZE;
+ info->pixmap.buf_align = 4;
+ info->pixmap.scan_align = 4;
+ info->pixmap.access_align = 32;
+ info->pixmap.flags = FB_PIXMAP_SYSTEM;
+
if (noaccel) {
- printk(KERN_DEBUG "disabling acceleration\n");
- info->flags |= FBINFO_HWACCEL_DISABLED;
+ printk(KERN_DEBUG "disabling acceleration\n");
+ info->flags |= FBINFO_HWACCEL_DISABLED;
+ info->pixmap.scan_align = 1;
}
if (!mode)
@@ -1373,6 +1486,8 @@
err_exit_all:
fb_dealloc_cmap(&info->cmap);
err_exit_both:
+ kfree(info->pixmap.addr);
+ err_exit_pixmap:
iounmap(info->screen_base);
release_mem_region(pm2fb_fix.smem_start, pm2fb_fix.smem_len);
err_exit_mmio:
@@ -1409,6 +1524,8 @@
release_mem_region(fix->mmio_start, fix->mmio_len);
pci_set_drvdata(pdev, NULL);
+ if (info->pixmap.addr)
+ kfree(info->pixmap.addr);
kfree(info);
}