1 /* $NetBSD: grfvar.h,v 1.3 1997/10/09 13:26:18 oki Exp $ */ 2 3 /* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1990, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * the Systems Programming Group of the University of Utah Computer 10 * Science Department. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: Utah $Hdr: grfvar.h 1.11 93/08/13$ 41 * 42 * @(#)grfvar.h 8.2 (Berkeley) 9/9/93 43 */ 44 45 /* internal structure of lock page */ 46 #define GRFMAXLCK 256 47 struct grf_lockpage { 48 u_char gl_locks[GRFMAXLCK]; 49 }; 50 #define gl_lockslot gl_locks[0] 51 52 struct grf_softc; 53 54 /* 55 * Static configuration info for display types 56 */ 57 struct grfsw { 58 int gd_hwid; /* id returned by hardware */ 59 int gd_swid; /* id to be returned by software */ 60 char *gd_desc; /* description printed at config time */ 61 int (*gd_init) __P((struct grf_softc *, caddr_t)); 62 int (*gd_mode) __P((struct grf_softc *, u_long, caddr_t)); 63 }; 64 65 /* per display info */ 66 struct grf_softc { 67 struct device g_device; /* for config */ 68 int g_flags; /* software flags */ 69 struct grfsw *g_sw; /* static configuration info */ 70 caddr_t g_regkva; /* KVA of registers */ 71 caddr_t g_fbkva; /* KVA of framebuffer */ 72 struct grfinfo g_display; /* hardware description (for ioctl) */ 73 struct grf_lockpage *g_lock; /* lock page associated with device */ 74 struct proc *g_lockp; /* process holding lock */ 75 short *g_pid; /* array of pids with device open */ 76 int g_lockpslot; /* g_pid entry of g_lockp */ 77 caddr_t g_data; /* device dependent data */ 78 }; 79 80 /* flags */ 81 #define GF_ALIVE 0x01 82 #define GF_OPEN 0x02 83 #define GF_EXCLUDE 0x04 84 #define GF_WANTED 0x08 85 #define GF_BSDOPEN 0x10 86 #define GF_HPUXOPEN 0x20 87 88 /* display types - indices into grfdev */ 89 #define GT_CUSTOMCHIPS 0 90 91 /* requests to mode routine */ 92 #define GM_GRFON 1 93 #define GM_GRFOFF 2 94 #define GM_GRFOVON 3 95 #define GM_GRFOVOFF 4 96 #define GM_DESCRIBE 5 97 #define GM_MAP 6 98 #define GM_UNMAP 7 99 100 #define GM_GRFCONFIG 8 101 #define GM_GRFGETVMODE 9 102 #define GM_GRFSETVMODE 10 103 #define GM_GRFGETNUMVM 11 104 #define GM_GRFGETBANK 12 105 #define GM_GRFSETBANK 13 106 #define GM_GRFGETCURBANK 14 107 #define GM_GRFIOCTL 15 108 109 /* minor device interpretation */ 110 #define GRFOVDEV 0x10 /* overlay planes */ 111 #define GRFIMDEV 0x20 /* images planes */ 112 #define GRFUNIT(d) ((d) & 0x7) 113 114 #ifdef _KERNEL 115 extern struct grfsw grfsw[]; 116 extern int ngrfsw; 117 #endif 118