1 /* $NetBSD: grf_gv.c,v 1.6 2001/12/27 02:23:24 wiz 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 $Hdr: grf_tc.c 1.20 93/08/13$ 41 * 42 * @(#)grf_tc.c 8.4 (Berkeley) 1/12/94 43 */ 44 45 /* 46 * Graphics routines for the X68K native custom chip set. 47 */ 48 49 #include "opt_compat_hpux.h" 50 51 #include <sys/param.h> 52 #include <sys/device.h> 53 #include <sys/errno.h> 54 55 #include <machine/grfioctl.h> 56 57 #include <x68k/dev/grfvar.h> 58 #include <x68k/x68k/iodevice.h> 59 60 #include <machine/cpu.h> 61 62 int gv_init __P((struct grf_softc *, caddr_t)); 63 int gv_mode __P((struct grf_softc *, u_long, caddr_t)); 64 65 /* Initialize hardware. 66 * Must fill in the grfinfo structure in g_softc. 67 * Returns 0 if hardware not present, non-zero ow. 68 */ 69 int 70 gv_init(gp, addr) 71 struct grf_softc *gp; 72 caddr_t addr; 73 { 74 struct grfinfo *gi = &gp->g_display; 75 76 gi->gd_fbwidth = 1024; 77 gi->gd_fbheight = 1024; 78 gi->gd_planes = 4; 79 gi->gd_regaddr = (void *)0x00e80000; 80 gi->gd_regsize = 0x00010000; /* contains system port */ 81 gi->gd_fbaddr = (void *)0x00c00000; 82 gi->gd_fbsize = gi->gd_fbwidth * gi->gd_fbheight * 2; 83 gp->g_regkva = addr; 84 gp->g_fbkva = addr; 85 switch(IODEVbase->io_sram[0x1d]) { 86 case 18: 87 /* 88 * mode 18, 24kHz 89 */ 90 gi->gd_dwidth = 1024; 91 gi->gd_dheight = 848; 92 break; 93 case 19: 94 /* 95 * mode 19, 31kHz VGA mode 96 */ 97 gi->gd_dwidth = 640; 98 gi->gd_dheight = 480; 99 break; 100 default: 101 /* 102 * mode 16, 31kHz (default) 103 */ 104 gi->gd_dwidth = 768; 105 gi->gd_dheight = 512; 106 break; 107 } 108 gi->gd_colors = 16; 109 110 return(1); 111 } 112 113 /* 114 * Change the mode of the display. 115 * Right now all we can do is grfon/grfoff. 116 * Return a UNIX error number or 0 for success. 117 */ 118 /*ARGSUSED*/ 119 int 120 gv_mode(gp, cmd, data) 121 register struct grf_softc *gp; 122 u_long cmd; 123 caddr_t data; 124 { 125 int error = 0; 126 127 switch (cmd) { 128 case GM_GRFON: 129 case GM_GRFOFF: 130 break; 131 132 /* 133 * Remember UVA of mapping for GCDESCRIBE. 134 * XXX this should be per-process. 135 */ 136 case GM_MAP: 137 gp->g_data = data; 138 break; 139 140 case GM_UNMAP: 141 gp->g_data = 0; 142 break; 143 144 #ifdef COMPAT_HPUX 145 case GM_DESCRIBE: 146 { 147 struct grf_fbinfo *fi = (struct grf_fbinfo *)data; 148 struct grfinfo *gi = &gp->g_display; 149 int i; 150 151 /* feed it what HP-UX expects */ 152 fi->id = gi->gd_id; 153 fi->mapsize = gi->gd_fbsize; 154 fi->dwidth = gi->gd_dwidth; 155 fi->dlength = gi->gd_dheight; 156 fi->width = gi->gd_fbwidth; 157 fi->length = gi->gd_fbheight; 158 fi->bpp = NBBY; 159 fi->xlen = (fi->width * fi->bpp) / NBBY; 160 fi->npl = gi->gd_planes; 161 fi->bppu = fi->npl; 162 fi->nplbytes = fi->xlen * ((fi->length * fi->bpp) / NBBY); 163 /* XXX */ 164 switch (gp->g_sw->gd_hwid) { 165 case GID_HRCCATSEYE: 166 memcpy(fi->name, "HP98550", 8); 167 break; 168 case GID_LRCATSEYE: 169 memcpy(fi->name, "HP98549", 8); 170 break; 171 case GID_HRMCATSEYE: 172 memcpy(fi->name, "HP98548", 8); 173 break; 174 case GID_TOPCAT: 175 switch (gi->gd_colors) { 176 case 64: 177 memcpy(fi->name, "HP98547", 8); 178 break; 179 case 16: 180 memcpy(fi->name, "HP98545", 8); 181 break; 182 case 2: 183 memcpy(fi->name, "HP98544", 8); 184 break; 185 } 186 break; 187 } 188 fi->attr = 2; /* HW block mover */ 189 /* 190 * If mapped, return the UVA where mapped. 191 */ 192 if (gp->g_data) { 193 fi->regbase = gp->g_data; 194 fi->fbbase = fi->regbase + gp->g_display.gd_regsize; 195 } else { 196 fi->fbbase = 0; 197 fi->regbase = 0; 198 } 199 for (i = 0; i < 6; i++) 200 fi->regions[i] = 0; 201 break; 202 } 203 #endif 204 #if 1 205 case GM_GRFSETVMODE: 206 if (*(int *)data == 1) { 207 struct grfinfo *gi = &gp->g_display; 208 volatile struct crtc *crtc = &IODEVbase->io_crtc; 209 /* CRTC $B$K@_Dj$r9T$J$$!"(Bdwidth $B$H(B dheight $B$r$$$8$k(B */ 210 crtc->r20 = (crtc->r20 & 0xFF00) | 0x1a; 211 crtc->r08 = 0x1b; 212 crtc->r07 = 0x19c; 213 crtc->r06 = 0x1c; 214 crtc->r05 = 0x02; 215 crtc->r04 = 0x019f; 216 crtc->r03 = 0x9a; 217 crtc->r02 = 0x1a; 218 crtc->r01 = 0x09; 219 crtc->r00 = 0xa4; 220 gi->gd_dwidth = 1024; 221 gi->gd_dheight = 768; 222 } 223 break; 224 #endif 225 226 default: 227 error = EINVAL; 228 break; 229 } 230 return(error); 231 } 232