1 /* 2 * Copyright (c) 1988 University of Utah. 3 * Copyright (c) 1990 The Regents of the University of California. 4 * 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 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * from: Utah $Hdr: grfvar.h 1.9 91/01/21$ 39 * 40 * @(#)grfvar.h 7.3 (Berkeley) 5/7/91 41 */ 42 43 /* internal structure of lock page */ 44 #define GRFMAXLCK 256 45 struct grf_lockpage { 46 u_char gl_locks[GRFMAXLCK]; 47 }; 48 #define gl_lockslot gl_locks[0] 49 50 /* per display info */ 51 struct grf_softc { 52 int g_flags; /* software flags */ 53 int g_type; /* type of display */ 54 caddr_t g_regkva; /* KVA of registers */ 55 caddr_t g_fbkva; /* KVA of framebuffer */ 56 struct grfinfo g_display; /* hardware description (for ioctl) */ 57 struct grf_lockpage *g_lock; /* lock page associated with device */ 58 struct proc *g_lockp; /* process holding lock */ 59 short *g_pid; /* array of pids with device open */ 60 int g_lockpslot; /* g_pid entry of g_lockp */ 61 caddr_t g_data; /* device dependent data */ 62 }; 63 64 /* flags */ 65 #define GF_ALIVE 0x01 66 #define GF_OPEN 0x02 67 #define GF_EXCLUDE 0x04 68 #define GF_WANTED 0x08 69 70 /* display types - indices into grfdev */ 71 #define GT_CUSTOMCHIPS 0 72 #define GT_TIGA_A2410 1 73 74 struct grfdev { 75 int gd_manuf; 76 int gd_prod; /* autoconfig� parameters */ 77 int (*gd_init)(); /* boot time initialization */ 78 int (*gd_mode)(); /* misc functions */ 79 char *gd_desc; /* text description */ 80 }; 81 82 /* software ids defined in grfioctl.h */ 83 84 /* requests to mode routine */ 85 #define GM_GRFON 1 86 #define GM_GRFOFF 2 87 #define GM_GRFOVON 3 88 #define GM_GRFOVOFF 4 89 #define GM_GRFCONFIG 5 90 91 /* minor device interpretation */ 92 #define GRFOVDEV 0x10 /* overlay planes */ 93 #define GRFIMDEV 0x20 /* images planes */ 94 #define GRFUNIT(d) ((d) & 0x7) 95 96 #ifdef KERNEL 97 extern struct grf_softc grf_softc[]; 98 #endif 99