1 /* $NetBSD: grf_machdep.c,v 1.15 2002/10/02 16:02:39 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1991 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_machdep.c 1.1 92/01/21 41 * 42 * @(#)grf_machdep.c 8.2 (Berkeley) 1/12/94 43 */ 44 45 /* 46 * Graphics display driver for the HP300/400 DIO/DIO-II based machines. 47 * This is the hardware-dependent configuration portion of the driver. 48 */ 49 50 #include <sys/param.h> 51 #include <sys/systm.h> 52 #include <sys/device.h> 53 54 #include <machine/grfioctl.h> 55 #include <x68k/dev/grfvar.h> 56 #include <x68k/x68k/iodevice.h> 57 58 /* 59 * false when initing for the console. 60 */ 61 extern int x68k_realconfig; 62 int x68k_config_found __P((struct cfdata *, struct device *, 63 void *, cfprint_t)); 64 65 int grfbusprint __P((void *auxp, const char *)); 66 int grfbusmatch __P((struct device *, struct cfdata *, void *)); 67 void grfbusattach __P((struct device *, struct device *, void *)); 68 int grfbussearch __P((struct device *, struct cfdata *, void *)); 69 70 void grfattach __P((struct device *, struct device *, void *)); 71 int grfmatch __P((struct device *, struct cfdata *, void *)); 72 int grfprint __P((void *, const char *)); 73 74 void grfconfig __P((struct device *)); 75 int grfinit __P((void *, int)); 76 77 CFATTACH_DECL(grfbus, sizeof(struct device), 78 grfbusmatch, grfbusattach, NULL, NULL); 79 80 CFATTACH_DECL(grf, sizeof(struct grf_softc), 81 grfmatch, grfattach, NULL, NULL); 82 83 /* 84 * only used in console init. 85 */ 86 static struct cfdata *cfdata_gbus = NULL; 87 static struct cfdata *cfdata_grf = NULL; 88 89 extern struct cfdriver grfbus_cd; 90 91 int 92 grfbusmatch(pdp, cfp, auxp) 93 struct device *pdp; 94 struct cfdata *cfp; 95 void *auxp; 96 { 97 if (strcmp(auxp, grfbus_cd.cd_name)) 98 return(0); 99 100 if((x68k_realconfig == 0) || (cfdata_gbus == NULL)) { 101 /* 102 * Probe layers we depend on 103 */ 104 if(x68k_realconfig == 0) { 105 cfdata_gbus = cfp; 106 } 107 } 108 return(1); /* Always there */ 109 } 110 111 void 112 grfbusattach(pdp, dp, auxp) 113 struct device *pdp, *dp; 114 void *auxp; 115 { 116 int i; 117 118 if (dp == NULL) { 119 i = 0; 120 x68k_config_found(cfdata_gbus, NULL, (void*)&i, grfbusprint); 121 } else { 122 printf("\n"); 123 config_search(grfbussearch, dp, NULL); 124 } 125 } 126 127 int 128 grfbussearch(dp, match, aux) 129 struct device *dp; 130 struct cfdata *match; 131 132 void *aux; 133 { 134 int i = 0; 135 config_found(dp, (void*)&i, grfbusprint); 136 return (0); 137 } 138 139 int 140 grfbusprint(auxp, name) 141 void *auxp; 142 const char *name; 143 { 144 if(name == NULL) 145 return(UNCONF); 146 return(QUIET); 147 } 148 149 static struct grf_softc congrf; 150 /* 151 * XXX called from ite console init routine. 152 * Does just what configure will do later but without printing anything. 153 */ 154 void 155 grfconfig(dp) 156 struct device *dp; 157 { 158 int unit; 159 if (!dp) 160 dp = (void *)&congrf; 161 unit = dp->dv_unit; 162 163 grfinit(dp, unit); /* XXX */ 164 } 165 166 /* 167 * Normal init routine called by configure() code 168 */ 169 int 170 grfmatch(parent, cfp, aux) 171 struct device *parent; 172 struct cfdata *cfp; 173 void *aux; 174 { 175 /* XXX console at grf0 */ 176 if (x68k_realconfig == 0) { 177 if (cfp->cf_unit != 0) 178 return(0); 179 cfdata_grf = cfp; 180 } 181 return(1); 182 } 183 184 void 185 grfattach(parent, dp, aux) 186 struct device *parent; 187 struct device *dp; 188 void *aux; 189 { 190 /* static struct grf_softc congrf;*/ 191 struct grf_softc *gp; 192 193 grfconfig(dp); 194 /* 195 * Handle exeption case: early console init 196 */ 197 if(dp == NULL) { 198 /* Attach console ite */ 199 x68k_config_found(cfdata_grf, NULL, &congrf, grfprint); 200 return; 201 } 202 gp = (struct grf_softc *)dp; 203 printf(": %d x %d ", gp->g_display.gd_dwidth, 204 gp->g_display.gd_dheight); 205 if (gp->g_display.gd_colors == 2) 206 printf("monochrome"); 207 else 208 printf("%d colors", gp->g_display.gd_colors); 209 printf(" %s display\n", gp->g_sw->gd_desc); 210 211 /* 212 * try and attach an ite 213 */ 214 config_found(dp, gp, grfprint); 215 } 216 217 int 218 grfprint(auxp, pnp) 219 void *auxp; 220 const char *pnp; 221 { 222 if(pnp) 223 printf("ite at %s", pnp); 224 return(UNCONF); 225 } 226 227 int 228 grfinit(dp, unit) 229 void *dp; 230 int unit; 231 { 232 struct grf_softc *gp = dp; 233 register struct grfsw *gsw; 234 caddr_t addr; 235 236 if (unit == 0) 237 addr = (caddr_t)IODEVbase->tvram; 238 else 239 addr = (caddr_t)IODEVbase->gvram; 240 241 gsw = &grfsw[unit]; 242 if (gsw < &grfsw[ngrfsw] && (*gsw->gd_init)(gp, addr)) { 243 gp->g_sw = gsw; 244 gp->g_display.gd_id = gsw->gd_swid; 245 gp->g_flags = GF_ALIVE; 246 return(1); 247 } 248 return(0); 249 } 250