LXR linux-old/include/asm-mips/gfx.h

   1/*
   2 * This file is subject to the terms and conditions of the GNU General Public
   3 * License.  See the file "COPYING" in the main directory of this archive
   4 * for more details.
   5 *
   6 * This is the user-visible SGI GFX interface.
   7 *
   8 * This must be used verbatim into the GNU libc.  It does not include
   9 * any kernel-only bits on it.
  10 *
  11 * miguel@nuclecu.unam.mx
  12 */
  13#ifndef _ASM_GFX_H
  14#define _ASM_GFX_H
  15
  16/* The iocls, yes, they do not make sense, but such is life */
  17#define GFX_BASE             100
  18#define GFX_GETNUM_BOARDS    (GFX_BASE + 1)
  19#define GFX_GETBOARD_INFO    (GFX_BASE + 2)
  20#define GFX_ATTACH_BOARD     (GFX_BASE + 3)
  21#define GFX_DETACH_BOARD     (GFX_BASE + 4)
  22#define GFX_IS_MANAGED       (GFX_BASE + 5)
  23
  24#define GFX_MAPALL           (GFX_BASE + 10)
  25#define GFX_LABEL            (GFX_BASE + 11)
  26
  27#define GFX_INFO_NAME_SIZE  16
  28#define GFX_INFO_LABEL_SIZE 16
  29
  30struct gfx_info {
  31        char name  [GFX_INFO_NAME_SIZE];  /* board name */
  32        char label [GFX_INFO_LABEL_SIZE]; /* label name */
  33        unsigned short int xpmax, ypmax;  /* screen resolution */
  34        unsigned int lenght;              /* size of a complete gfx_info for this board */
  35};
  36
  37struct gfx_getboardinfo_args {
  38        unsigned int board;     /* board number.  starting from zero */
  39        void *buf;              /* pointer to gfx_info */
  40        unsigned int len;       /* buffer size of buf */
  41};
  42
  43struct gfx_attach_board_args {
  44        unsigned int board;     /* board number, starting from zero */
  45        void        *vaddr;     /* address where the board registers should be mapped */
  46};
  47
  48#ifdef __KERNEL__
  49/* umap.c */
  50extern void remove_mapping (struct task_struct *, unsigned long, unsigned long);
  51extern void *vmalloc_uncached (unsigned long size);
  52extern int vmap_page_range (unsigned long from, unsigned long size, unsigned long vaddr);
  53#endif
  54
  55#endif /* _ASM_GFX_H */
  56