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authorAntonino A. Daplas <adaplas@gmail.com>2007-05-08 00:38:46 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 11:15:29 -0700
commit78494dd3442cf6ac5562f684c7073db2818d3afd (patch)
treecb8af27fb1e435ccb5fff08f62850bdc0baf14fa /drivers/video/svgalib.c
parent98a1153acdc2256f866599be701439577da77db3 (diff)
downloadop-kernel-dev-78494dd3442cf6ac5562f684c7073db2818d3afd.zip
op-kernel-dev-78494dd3442cf6ac5562f684c7073db2818d3afd.tar.gz
fbdev: add sparse annotations in svgalib.c
Add sparse annotations and use fb_read/fb_write family to access the framebuffer. 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>
Diffstat (limited to 'drivers/video/svgalib.c')
-rw-r--r--drivers/video/svgalib.c32
1 files changed, 17 insertions, 15 deletions
diff --git a/drivers/video/svgalib.c b/drivers/video/svgalib.c
index 68b30d9..7fddc4a 100644
--- a/drivers/video/svgalib.c
+++ b/drivers/video/svgalib.c
@@ -194,7 +194,7 @@ void svga_dump_var(struct fb_var_screeninfo *var, int node)
void svga_settile(struct fb_info *info, struct fb_tilemap *map)
{
const u8 *font = map->data;
- u8* fb = (u8 *) info->screen_base;
+ u8 __iomem *fb = (u8 __iomem *)info->screen_base;
int i, c;
if ((map->width != 8) || (map->height != 16) ||
@@ -207,7 +207,8 @@ void svga_settile(struct fb_info *info, struct fb_tilemap *map)
fb += 2;
for (c = 0; c < map->length; c++) {
for (i = 0; i < map->height; i++) {
- fb[i * 4] = font[i];
+ fb_writeb(font[i], fb + i * 4);
+// fb[i * 4] = font[i];
}
fb += 128;
font += map->height;
@@ -221,8 +222,8 @@ void svga_tilecopy(struct fb_info *info, struct fb_tilearea *area)
/* colstride is halved in this function because u16 are used */
int colstride = 1 << (info->fix.type_aux & FB_AUX_TEXT_SVGA_MASK);
int rowstride = colstride * (info->var.xres_virtual / 8);
- u16 *fb = (u16 *) info->screen_base;
- u16 *src, *dst;
+ u16 __iomem *fb = (u16 __iomem *) info->screen_base;
+ u16 __iomem *src, *dst;
if ((area->sy > area->dy) ||
((area->sy == area->dy) && (area->sx > area->dx))) {
@@ -239,10 +240,11 @@ void svga_tilecopy(struct fb_info *info, struct fb_tilearea *area)
}
for (dy = 0; dy < area->height; dy++) {
- u16* src2 = src;
- u16* dst2 = dst;
+ u16 __iomem *src2 = src;
+ u16 __iomem *dst2 = dst;
for (dx = 0; dx < area->width; dx++) {
- *dst2 = *src2;
+ fb_writew(fb_readw(src2), dst2);
+// *dst2 = *src2;
src2 += colstride;
dst2 += colstride;
}
@@ -258,14 +260,14 @@ void svga_tilefill(struct fb_info *info, struct fb_tilerect *rect)
int colstride = 2 << (info->fix.type_aux & FB_AUX_TEXT_SVGA_MASK);
int rowstride = colstride * (info->var.xres_virtual / 8);
int attr = (0x0F & rect->bg) << 4 | (0x0F & rect->fg);
- u8 *fb = (u8 *) info->screen_base;
+ u8 __iomem *fb = (u8 __iomem *)info->screen_base;
fb += rect->sx * colstride + rect->sy * rowstride;
for (dy = 0; dy < rect->height; dy++) {
- u8* fb2 = fb;
+ u8 __iomem *fb2 = fb;
for (dx = 0; dx < rect->width; dx++) {
- fb2[0] = rect->index;
- fb2[1] = attr;
+ fb_writeb(rect->index, fb2);
+ fb_writeb(attr, fb2 + 1);
fb2 += colstride;
}
fb += rowstride;
@@ -279,15 +281,15 @@ void svga_tileblit(struct fb_info *info, struct fb_tileblit *blit)
int colstride = 2 << (info->fix.type_aux & FB_AUX_TEXT_SVGA_MASK);
int rowstride = colstride * (info->var.xres_virtual / 8);
int attr = (0x0F & blit->bg) << 4 | (0x0F & blit->fg);
- u8* fb = (u8 *) info->screen_base;
+ u8 __iomem *fb = (u8 __iomem *)info->screen_base;
fb += blit->sx * colstride + blit->sy * rowstride;
i=0;
for (dy=0; dy < blit->height; dy ++) {
- u8* fb2 = fb;
+ u8 __iomem *fb2 = fb;
for (dx = 0; dx < blit->width; dx ++) {
- fb2[0] = blit->indices[i];
- fb2[1] = attr;
+ fb_writeb(blit->indices[i], fb2);
+ fb_writeb(attr, fb2 + 1);
fb2 += colstride;
i ++;
if (i == blit->length) return;
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