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/*
* 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 */
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