cgsix_obio.c revision 1.11
1 /* $NetBSD: cgsix_obio.c,v 1.11 2002/09/27 20:35:42 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Paul Kranenburg. 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 NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * color display (cgsix) driver; sun4 obio bus front-end. 41 */ 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/buf.h> 46 #include <sys/device.h> 47 #include <sys/ioctl.h> 48 #include <sys/malloc.h> 49 #include <sys/mman.h> 50 #include <sys/tty.h> 51 #include <sys/conf.h> 52 53 #ifdef DEBUG 54 #include <sys/proc.h> 55 #include <sys/syslog.h> 56 #endif 57 58 #include <machine/bus.h> 59 #include <machine/autoconf.h> 60 #include <machine/eeprom.h> 61 62 #include <dev/sun/fbio.h> 63 #include <dev/sun/fbvar.h> 64 #include <dev/sun/btreg.h> 65 #include <dev/sun/btvar.h> 66 #include <dev/sun/cgsixreg.h> 67 #include <dev/sun/cgsixvar.h> 68 #include <dev/sun/pfourreg.h> 69 70 /* autoconfiguration driver */ 71 static int cgsixmatch __P((struct device *, struct cfdata *, void *)); 72 static void cgsixattach __P((struct device *, struct device *, void *)); 73 static int cg6_pfour_probe __P((void *, void *)); 74 75 const struct cfattach cgsix_obio_ca = { 76 sizeof(struct cgsix_softc), cgsixmatch, cgsixattach 77 }; 78 79 /* 80 * Match a cgsix. 81 */ 82 static int 83 cgsixmatch(parent, cf, aux) 84 struct device *parent; 85 struct cfdata *cf; 86 void *aux; 87 { 88 union obio_attach_args *uoba = aux; 89 struct obio4_attach_args *oba; 90 91 if (uoba->uoba_isobio4 == 0) 92 return (0); 93 94 oba = &uoba->uoba_oba4; 95 return (bus_space_probe(oba->oba_bustag, 96 oba->oba_paddr + CGSIX_FHC_OFFSET, 97 4, /* probe size */ 98 0, /* offset */ 99 0, /* flags */ 100 cg6_pfour_probe, NULL)); 101 } 102 103 static int 104 cg6_pfour_probe(vaddr, arg) 105 void *vaddr; 106 void *arg; 107 { 108 109 return (fb_pfour_id(vaddr) == PFOUR_ID_FASTCOLOR); 110 } 111 112 113 /* 114 * Attach a display. 115 */ 116 static void 117 cgsixattach(parent, self, aux) 118 struct device *parent, *self; 119 void *aux; 120 { 121 struct cgsix_softc *sc = (struct cgsix_softc *)self; 122 union obio_attach_args *uoba = aux; 123 struct obio4_attach_args *oba; 124 struct eeprom *eep = (struct eeprom *)eeprom_va; 125 struct fbdevice *fb = &sc->sc_fb; 126 bus_space_handle_t bh; 127 int constype, isconsole; 128 char *name; 129 130 oba = &uoba->uoba_oba4; 131 132 /* Remember cookies for cgsix_mmap() */ 133 sc->sc_bustag = oba->oba_bustag; 134 sc->sc_paddr = (bus_addr_t)oba->oba_paddr; 135 136 fb->fb_device = &sc->sc_dev; 137 fb->fb_type.fb_type = FBTYPE_SUNFAST_COLOR; 138 fb->fb_flags = sc->sc_dev.dv_cfdata->cf_flags & FB_USERMASK; 139 fb->fb_type.fb_depth = 8; 140 141 fb_setsize_eeprom(fb, fb->fb_type.fb_depth, 1152, 900); 142 143 /* 144 * Dunno what the PROM has mapped, though obviously it must have 145 * the video RAM mapped. Just map what we care about for ourselves 146 * (the FHC, THC, and Brooktree registers). 147 */ 148 if (bus_space_map(oba->oba_bustag, 149 oba->oba_paddr + CGSIX_BT_OFFSET, 150 sizeof(*sc->sc_bt), 151 BUS_SPACE_MAP_LINEAR, 152 &bh) != 0) { 153 printf("%s: cannot map brooktree registers\n", self->dv_xname); 154 return; 155 } 156 sc->sc_bt = (struct bt_regs *)bh; 157 158 if (bus_space_map(oba->oba_bustag, 159 oba->oba_paddr + CGSIX_FHC_OFFSET, 160 sizeof(*sc->sc_fhc), 161 BUS_SPACE_MAP_LINEAR, 162 &bh) != 0) { 163 printf("%s: cannot map FHC registers\n", self->dv_xname); 164 return; 165 } 166 sc->sc_fhc = (int *)bh; 167 168 if (bus_space_map(oba->oba_bustag, 169 oba->oba_paddr + CGSIX_THC_OFFSET, 170 sizeof(*sc->sc_thc), 171 BUS_SPACE_MAP_LINEAR, 172 &bh) != 0) { 173 printf("%s: cannot map THC registers\n", self->dv_xname); 174 return; 175 } 176 sc->sc_thc = (struct cg6_thc *)bh; 177 178 if (bus_space_map(oba->oba_bustag, 179 oba->oba_paddr + CGSIX_TEC_OFFSET, 180 sizeof(*sc->sc_tec), 181 BUS_SPACE_MAP_LINEAR, 182 &bh) != 0) { 183 printf("%s: cannot map TEC registers\n", self->dv_xname); 184 return; 185 } 186 sc->sc_tec = (struct cg6_tec_xxx *)bh; 187 188 if (bus_space_map(oba->oba_bustag, 189 oba->oba_paddr + CGSIX_FBC_OFFSET, 190 sizeof(*sc->sc_fbc), 191 BUS_SPACE_MAP_LINEAR, 192 &bh) != 0) { 193 printf("%s: cannot map FBC registers\n", self->dv_xname); 194 return; 195 } 196 sc->sc_fbc = (struct cg6_fbc *)bh; 197 198 199 if (fb_pfour_id((void *)sc->sc_fhc) == PFOUR_ID_FASTCOLOR) { 200 fb->fb_flags |= FB_PFOUR; 201 name = "cgsix/p4"; 202 } else 203 name = "cgsix"; 204 205 constype = (fb->fb_flags & FB_PFOUR) ? EE_CONS_P4OPT : EE_CONS_COLOR; 206 207 /* 208 * Assume this is the console if there's no eeprom info 209 * to be found. 210 */ 211 if (eep == NULL || eep->eeConsole == constype) 212 isconsole = fb_is_console(0); 213 else 214 isconsole = 0; 215 216 if (isconsole && cgsix_use_rasterconsole) { 217 int ramsize = fb->fb_type.fb_height * fb->fb_linebytes; 218 if (bus_space_map(oba->oba_bustag, 219 oba->oba_paddr + CGSIX_RAM_OFFSET, 220 ramsize, 221 BUS_SPACE_MAP_LINEAR, 222 &bh) != 0) { 223 printf("%s: cannot map pixels\n", self->dv_xname); 224 return; 225 } 226 sc->sc_fb.fb_pixels = (caddr_t)bh; 227 } 228 229 cg6attach(sc, name, isconsole); 230 } 231
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