1 /* 2 * Copyright (c) 1988 University of Utah. 3 * Copyright (c) 1990, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the Systems Programming Group of the University of Utah Computer 8 * Science Department. 9 * 10 * %sccs.include.redist.c% 11 * 12 * from: Utah $Hdr: grfvar.h 1.11 93/08/13$ 13 * 14 * @(#)grfvar.h 8.2 (Berkeley) 09/09/93 15 */ 16 17 /* internal structure of lock page */ 18 #define GRFMAXLCK 256 19 struct grf_lockpage { 20 u_char gl_locks[GRFMAXLCK]; 21 }; 22 #define gl_lockslot gl_locks[0] 23 24 /* 25 * Static configuration info for display types 26 */ 27 struct grfsw { 28 int gd_hwid; /* id returned by hardware */ 29 int gd_swid; /* id to be returned by software */ 30 char *gd_desc; /* description printed at config time */ 31 int (*gd_init)(); /* boot time init routine */ 32 int (*gd_mode)(); /* misc function routine */ 33 }; 34 35 /* per display info */ 36 struct grf_softc { 37 int g_flags; /* software flags */ 38 struct grfsw *g_sw; /* static configuration info */ 39 caddr_t g_regkva; /* KVA of registers */ 40 caddr_t g_fbkva; /* KVA of framebuffer */ 41 struct grfinfo g_display; /* hardware description (for ioctl) */ 42 struct grf_lockpage *g_lock; /* lock page associated with device */ 43 struct proc *g_lockp; /* process holding lock */ 44 short *g_pid; /* array of pids with device open */ 45 int g_lockpslot; /* g_pid entry of g_lockp */ 46 caddr_t g_data; /* device dependent data */ 47 }; 48 49 /* flags */ 50 #define GF_ALIVE 0x01 51 #define GF_OPEN 0x02 52 #define GF_EXCLUDE 0x04 53 #define GF_WANTED 0x08 54 #define GF_BSDOPEN 0x10 55 #define GF_HPUXOPEN 0x20 56 57 /* requests to mode routine */ 58 #define GM_GRFON 1 59 #define GM_GRFOFF 2 60 #define GM_GRFOVON 3 61 #define GM_GRFOVOFF 4 62 #define GM_DESCRIBE 5 63 #define GM_MAP 6 64 #define GM_UNMAP 7 65 66 /* minor device interpretation */ 67 #define GRFOVDEV 0x10 /* overlay planes */ 68 #define GRFIMDEV 0x20 /* images planes */ 69 #define GRFUNIT(d) ((d) & 0x7) 70 71 #ifdef KERNEL 72 extern struct grf_softc grf_softc[]; 73 extern struct grfsw grfsw[]; 74 extern int ngrfsw; 75 #endif 76