diff options
Diffstat (limited to 'drivers/video/softcursor.c')
| -rw-r--r-- | drivers/video/softcursor.c | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/drivers/video/softcursor.c b/drivers/video/softcursor.c deleted file mode 100644 index 229c4bc3507..00000000000 --- a/drivers/video/softcursor.c +++ /dev/null @@ -1,72 +0,0 @@ -/* - * linux/drivers/video/softcursor.c -- Generic software cursor for frame buffer devices - * - * Created 14 Nov 2002 by James Simmons - * - * 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. - */ - -#include <linux/module.h> -#include <linux/string.h> -#include <linux/tty.h> -#include <linux/fb.h> -#include <linux/slab.h> - -#include <asm/uaccess.h> -#include <asm/io.h> - -int soft_cursor(struct fb_info *info, struct fb_cursor *cursor) -{ - unsigned int scan_align = info->pixmap.scan_align - 1; - unsigned int buf_align = info->pixmap.buf_align - 1; - unsigned int i, size, dsize, s_pitch, d_pitch; - struct fb_image *image; - u8 *dst, *src; - - if (info->state != FBINFO_STATE_RUNNING) - return 0; - - s_pitch = (cursor->image.width + 7) >> 3; - dsize = s_pitch * cursor->image.height; - - src = kmalloc(dsize + sizeof(struct fb_image), GFP_ATOMIC); - if (!src) - return -ENOMEM; - - image = (struct fb_image *) (src + dsize); - *image = cursor->image; - d_pitch = (s_pitch + scan_align) & ~scan_align; - - size = d_pitch * image->height + buf_align; - size &= ~buf_align; - dst = fb_get_buffer_offset(info, &info->pixmap, size); - - if (cursor->enable) { - switch (cursor->rop) { - case ROP_XOR: - for (i = 0; i < dsize; i++) - src[i] = image->data[i] ^ cursor->mask[i]; - break; - case ROP_COPY: - default: - for (i = 0; i < dsize; i++) - src[i] = image->data[i] & cursor->mask[i]; - break; - } - } else - memcpy(src, image->data, dsize); - - fb_pad_aligned_buffer(dst, d_pitch, src, s_pitch, image->height); - image->data = dst; - info->fbops->fb_imageblit(info, image); - kfree(src); - return 0; -} - -EXPORT_SYMBOL(soft_cursor); - -MODULE_AUTHOR("James Simmons <jsimmons@users.sf.net>"); -MODULE_DESCRIPTION("Generic software cursor"); -MODULE_LICENSE("GPL"); |
