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
  30 struct 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
  37 struct 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
  43 struct 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 */
  50 extern void remove_mapping (struct vm_area_struct *vma, struct task_struct *, unsigned long, unsigned long);
  51 extern void *vmalloc_uncached (unsigned long size);
  52 extern int vmap_page_range (struct vm_area_struct *vma, unsigned long from, unsigned long size, unsigned long vaddr);
  53 #endif
  54
  55 #endif /* _ASM_GFX_H */