* Copyright (C) 1997 Geert Uytterhoeven
* Copyright (C) 1999,2000 Martin Lucina, Tom Zerucha
* Copyright (C) 2002 Richard Henderson
- * Copyright (C) 2006 Maciej W. Rozycki
+ * Copyright (C) 2006, 2007 Maciej W. Rozycki
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive for
*/
#include <linux/bitrev.h>
+#include <linux/compiler.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/errno.h>
is8bpp = info->var.bits_per_pixel == 8;
- /* For copies that aren't pixel expansion, there's little we
- can do better than the generic code. */
- /* ??? There is a DMA write mode; I wonder if that could be
- made to pull the data from the image buffer... */
- if (image->depth > 1) {
- cfb_imageblit(info, image);
- return;
- }
-
dx = image->dx;
dy = image->dy;
width = image->width;
line_length = info->fix.line_length;
rincr = (width + 7) / 8;
+ /* A shift below cannot cope with. */
+ if (unlikely(width == 0))
+ return;
/* Crop the image to the screen. */
if (dx > vxres || dy > vyres)
return;
unsigned long bwidth;
/* Handle common case of imaging a single character, in
- a font less than 32 pixels wide. */
+ a font less than or 32 pixels wide. */
- pixelmask = (1 << width) - 1;
+ /* Avoid a shift by 32; width > 0 implied. */
+ pixelmask = (2ul << (width - 1)) - 1;
pixelmask <<= shift;
__raw_writel(pixelmask, regs_base + TGA_PIXELMASK_REG);
wmb();
u32 *palette = ((u32 *)info->pseudo_palette);
unsigned long pos, line_length, i, j;
const unsigned char *data;
- void *regs_base, *fb_base;
+ void __iomem *regs_base, *fb_base;
dx = image->dx;
dy = image->dy;
FBINFO_HWACCEL_IMAGEBLIT | FBINFO_HWACCEL_FILLRECT;
info->fbops = &tgafb_ops;
info->screen_base = par->tga_fb_base;
- info->pseudo_palette = (void *)(par + 1);
+ info->pseudo_palette = par->palette;
/* This should give a reasonable default video mode. */
if (tga_bus_pci) {