gfx.h
上传用户:lgb322
上传日期:2013-02-24
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文件大小:2k
- /*
- * 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.
- *
- * This is the user-visible SGI GFX interface.
- *
- * This must be used verbatim into the GNU libc. It does not include
- * any kernel-only bits on it.
- *
- * miguel@nuclecu.unam.mx
- */
- #ifndef _ASM_GFX_H
- #define _ASM_GFX_H
- /* The iocls, yes, they do not make sense, but such is life */
- #define GFX_BASE 100
- #define GFX_GETNUM_BOARDS (GFX_BASE + 1)
- #define GFX_GETBOARD_INFO (GFX_BASE + 2)
- #define GFX_ATTACH_BOARD (GFX_BASE + 3)
- #define GFX_DETACH_BOARD (GFX_BASE + 4)
- #define GFX_IS_MANAGED (GFX_BASE + 5)
- #define GFX_MAPALL (GFX_BASE + 10)
- #define GFX_LABEL (GFX_BASE + 11)
- #define GFX_INFO_NAME_SIZE 16
- #define GFX_INFO_LABEL_SIZE 16
- struct gfx_info {
- char name [GFX_INFO_NAME_SIZE]; /* board name */
- char label [GFX_INFO_LABEL_SIZE]; /* label name */
- unsigned short int xpmax, ypmax; /* screen resolution */
- unsigned int lenght; /* size of a complete gfx_info for this board */
- };
- struct gfx_getboardinfo_args {
- unsigned int board; /* board number. starting from zero */
- void *buf; /* pointer to gfx_info */
- unsigned int len; /* buffer size of buf */
- };
- struct gfx_attach_board_args {
- unsigned int board; /* board number, starting from zero */
- void *vaddr; /* address where the board registers should be mapped */
- };
- #ifdef __KERNEL__
- /* umap.c */
- extern void remove_mapping (struct task_struct *, unsigned long, unsigned long);
- extern void *vmalloc_uncached (unsigned long size);
- extern int vmap_page_range (unsigned long from, unsigned long size, unsigned long vaddr);
- #endif
- #endif /* _ASM_GFX_H */