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