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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 */