1 /* $NetBSD: grf_machdep.c,v 1.19 2004/01/25 13:17:00 minoura Exp $ */ 2 3 /* 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer 9 * Science Department. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: Utah $Hdr: grf_machdep.c 1.1 92/01/21 36 * 37 * @(#)grf_machdep.c 8.2 (Berkeley) 1/12/94 38 */ 39 /* 40 * Copyright (c) 1991 University of Utah. 41 * 42 * This code is derived from software contributed to Berkeley by 43 * the Systems Programming Group of the University of Utah Computer 44 * Science Department. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. All advertising materials mentioning features or use of this software 55 * must display the following acknowledgement: 56 * This product includes software developed by the University of 57 * California, Berkeley and its contributors. 58 * 4. Neither the name of the University nor the names of its contributors 59 * may be used to endorse or promote products derived from this software 60 * without specific prior written permission. 61 * 62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 72 * SUCH DAMAGE. 73 * 74 * from: Utah $Hdr: grf_machdep.c 1.1 92/01/21 75 * 76 * @(#)grf_machdep.c 8.2 (Berkeley) 1/12/94 77 */ 78 79 /* 80 * Graphics display driver for the HP300/400 DIO/DIO-II based machines. 81 * This is the hardware-dependent configuration portion of the driver. 82 */ 83 84 #include <sys/cdefs.h> 85 __KERNEL_RCSID(0, "$NetBSD: grf_machdep.c,v 1.19 2004/01/25 13:17:00 minoura Exp $"); 86 87 #include <sys/param.h> 88 #include <sys/systm.h> 89 #include <sys/device.h> 90 91 #include <machine/grfioctl.h> 92 #include <x68k/dev/grfvar.h> 93 #include <x68k/x68k/iodevice.h> 94 95 /* 96 * false when initing for the console. 97 */ 98 extern int x68k_realconfig; 99 extern int x68k_config_found(struct cfdata *, struct device *, 100 void *, cfprint_t); 101 102 /* grfbus: is this necessary? */ 103 int grfbusprint(void *auxp, const char *); 104 int grfbusmatch(struct device *, struct cfdata *, void *); 105 void grfbusattach(struct device *, struct device *, void *); 106 int grfbussearch(struct device *, struct cfdata *, void *); 107 108 /* grf itself */ 109 void grfattach(struct device *, struct device *, void *); 110 int grfmatch(struct device *, struct cfdata *, void *); 111 int grfprint(void *, const char *); 112 113 static int grfinit(void *, int); 114 115 CFATTACH_DECL(grfbus, sizeof(struct device), 116 grfbusmatch, grfbusattach, NULL, NULL); 117 118 CFATTACH_DECL(grf, sizeof(struct grf_softc), 119 grfmatch, grfattach, NULL, NULL); 120 121 /* 122 * only used in console init. 123 */ 124 static struct cfdata *cfdata_gbus = NULL; 125 static struct cfdata *cfdata_grf = NULL; 126 127 extern struct cfdriver grfbus_cd; 128 129 int 130 grfbusmatch(pdp, cfp, auxp) 131 struct device *pdp; 132 struct cfdata *cfp; 133 void *auxp; 134 { 135 if (strcmp(auxp, grfbus_cd.cd_name)) 136 return(0); 137 138 if((x68k_realconfig == 0) || (cfdata_gbus == NULL)) { 139 /* 140 * Probe layers we depend on 141 */ 142 if(x68k_realconfig == 0) { 143 cfdata_gbus = cfp; 144 } 145 } 146 return(1); /* Always there */ 147 } 148 149 void 150 grfbusattach(pdp, dp, auxp) 151 struct device *pdp, *dp; 152 void *auxp; 153 { 154 int i; 155 156 if (dp == NULL) { 157 i = 0; 158 x68k_config_found(cfdata_gbus, NULL, (void*)&i, grfbusprint); 159 } else { 160 printf("\n"); 161 config_search(grfbussearch, dp, NULL); 162 } 163 } 164 165 int 166 grfbussearch(dp, match, aux) 167 struct device *dp; 168 struct cfdata *match; 169 170 void *aux; 171 { 172 int i = 0; 173 config_found(dp, (void*)&i, grfbusprint); 174 return (0); 175 } 176 177 int 178 grfbusprint(auxp, name) 179 void *auxp; 180 const char *name; 181 { 182 if(name == NULL) 183 return(UNCONF); 184 return(QUIET); 185 } 186 187 /* 188 * Normal init routine called by configure() code 189 */ 190 int 191 grfmatch(parent, cfp, aux) 192 struct device *parent; 193 struct cfdata *cfp; 194 void *aux; 195 { 196 /* XXX console at grf0 */ 197 if (x68k_realconfig == 0) { 198 if (cfp->cf_unit != 0) 199 return(0); 200 cfdata_grf = cfp; 201 } 202 return(1); 203 } 204 205 static struct grf_softc congrf; 206 207 void 208 grfattach(parent, dp, aux) 209 struct device *parent; 210 struct device *dp; 211 void *aux; 212 { 213 struct grf_softc *gp; 214 215 /* 216 * Handle exeption case: early console init 217 */ 218 if(dp == NULL) { 219 /* Attach console ite */ 220 grfinit(&congrf, 0); 221 x68k_config_found(cfdata_grf, NULL, &congrf, grfprint); 222 return; 223 } 224 225 grfinit(dp, dp->dv_unit); 226 227 gp = (struct grf_softc *)dp; 228 printf(": %d x %d ", gp->g_display.gd_dwidth, 229 gp->g_display.gd_dheight); 230 if (gp->g_display.gd_colors == 2) 231 printf("monochrome"); 232 else 233 printf("%d colors", gp->g_display.gd_colors); 234 printf(" %s display\n", gp->g_sw->gd_desc); 235 236 /* 237 * try and attach an ite 238 */ 239 config_found(dp, gp, grfprint); 240 } 241 242 int 243 grfprint(auxp, pnp) 244 void *auxp; 245 const char *pnp; 246 { 247 if(pnp) 248 aprint_normal("ite at %s", pnp); 249 return UNCONF; 250 } 251 252 int 253 grfinit(dp, unit) 254 void *dp; 255 int unit; 256 { 257 struct grf_softc *gp = dp; 258 register struct grfsw *gsw; 259 caddr_t addr; 260 261 if (unit == 0) 262 addr = (caddr_t)IODEVbase->tvram; 263 else 264 addr = (caddr_t)IODEVbase->gvram; 265 266 gsw = &grfsw[unit]; 267 if (gsw < &grfsw[ngrfsw] && (*gsw->gd_init)(gp, addr)) { 268 gp->g_sw = gsw; 269 gp->g_display.gd_id = gsw->gd_swid; 270 gp->g_flags = GF_ALIVE; 271 return 1; 272 } 273 274 return 0; 275 } 276