56 строки
1.8 KiB
C
56 строки
1.8 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* This is the user-visible SGI GFX interface.
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*
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* This must be used verbatim into the GNU libc. It does not include
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* any kernel-only bits on it.
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*
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* miguel@nuclecu.unam.mx
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*/
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#ifndef _ASM_GFX_H
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#define _ASM_GFX_H
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/* The iocls, yes, they do not make sense, but such is life */
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#define GFX_BASE 100
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#define GFX_GETNUM_BOARDS (GFX_BASE + 1)
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#define GFX_GETBOARD_INFO (GFX_BASE + 2)
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#define GFX_ATTACH_BOARD (GFX_BASE + 3)
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#define GFX_DETACH_BOARD (GFX_BASE + 4)
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#define GFX_IS_MANAGED (GFX_BASE + 5)
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#define GFX_MAPALL (GFX_BASE + 10)
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#define GFX_LABEL (GFX_BASE + 11)
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#define GFX_INFO_NAME_SIZE 16
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#define GFX_INFO_LABEL_SIZE 16
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struct gfx_info {
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char name [GFX_INFO_NAME_SIZE]; /* board name */
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char label [GFX_INFO_LABEL_SIZE]; /* label name */
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unsigned short int xpmax, ypmax; /* screen resolution */
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unsigned int lenght; /* size of a complete gfx_info for this board */
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};
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struct gfx_getboardinfo_args {
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unsigned int board; /* board number. starting from zero */
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void *buf; /* pointer to gfx_info */
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unsigned int len; /* buffer size of buf */
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};
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struct gfx_attach_board_args {
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unsigned int board; /* board number, starting from zero */
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void *vaddr; /* address where the board registers should be mapped */
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};
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#ifdef __KERNEL__
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/* umap.c */
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extern void remove_mapping (struct vm_area_struct *vma, struct task_struct *, unsigned long, unsigned long);
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extern void *vmalloc_uncached (unsigned long size);
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extern int vmap_page_range (struct vm_area_struct *vma, unsigned long from, unsigned long size, unsigned long vaddr);
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#endif
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#endif /* _ASM_GFX_H */
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