linux/drivers/video/fbdev/core/cfbfillrect.c

/*
 *  Generic fillrect for frame buffers with packed pixels of any depth.
 *
 *      Copyright (C)  2000 James Simmons ([email protected])
 *
 *  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
 *  more details.
 *
 * NOTES:
 *
 *  Also need to add code to deal with cards endians that are different than
 *  the native cpu endians. I also need to deal with MSB position in the word.
 *
 */
#include <linux/module.h>
#include <linux/string.h>
#include <linux/fb.h>
#include <asm/types.h>
#include "fb_draw.h"

#if BITS_PER_LONG == 32
#define FB_WRITEL …
#define FB_READL …
#else
#define FB_WRITEL …
#define FB_READL …
#endif

    /*
     *  Aligned pattern fill using 32/64-bit memory accesses
     */

static void
bitfill_aligned(struct fb_info *p, unsigned long __iomem *dst, int dst_idx,
		unsigned long pat, unsigned n, int bits, u32 bswapmask)
{ … }


    /*
     *  Unaligned generic pattern fill using 32/64-bit memory accesses
     *  The pattern must have been expanded to a full 32/64-bit value
     *  Left/right are the appropriate shifts to convert to the pattern to be
     *  used for the next 32/64-bit word
     */

static void
bitfill_unaligned(struct fb_info *p, unsigned long __iomem *dst, int dst_idx,
		  unsigned long pat, int left, int right, unsigned n, int bits)
{ … }

    /*
     *  Aligned pattern invert using 32/64-bit memory accesses
     */
static void
bitfill_aligned_rev(struct fb_info *p, unsigned long __iomem *dst,
		    int dst_idx, unsigned long pat, unsigned n, int bits,
		    u32 bswapmask)
{ … }


    /*
     *  Unaligned generic pattern invert using 32/64-bit memory accesses
     *  The pattern must have been expanded to a full 32/64-bit value
     *  Left/right are the appropriate shifts to convert to the pattern to be
     *  used for the next 32/64-bit word
     */

static void
bitfill_unaligned_rev(struct fb_info *p, unsigned long __iomem *dst,
		      int dst_idx, unsigned long pat, int left, int right,
		      unsigned n, int bits)
{ … }

void cfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect)
{ … }

EXPORT_SYMBOL(…);

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;