cgsix_sbus.c revision 1.5
1 /* $NetBSD: cgsix_sbus.c,v 1.5 2001/09/26 20:53:14 eeh 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; Sbus 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 61 #include <dev/sbus/sbusvar.h> 62 63 #include <dev/sun/fbio.h> 64 #include <dev/sun/fbvar.h> 65 #include <dev/sun/btreg.h> 66 #include <dev/sun/btvar.h> 67 #include <dev/sun/cgsixreg.h> 68 #include <dev/sun/cgsixvar.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 74 /* Allocate an `sbusdev' in addition to the cgsix softc */ 75 struct cgsix_sbus_softc { 76 struct cgsix_softc bss_softc; 77 struct sbusdev bss_sd; 78 }; 79 80 struct cfattach cgsix_sbus_ca = { 81 sizeof(struct cgsix_sbus_softc), cgsixmatch, cgsixattach 82 }; 83 84 85 /* 86 * Match a cgsix. 87 */ 88 int 89 cgsixmatch(parent, cf, aux) 90 struct device *parent; 91 struct cfdata *cf; 92 void *aux; 93 { 94 struct sbus_attach_args *sa = aux; 95 96 return (strcmp(cf->cf_driver->cd_name, sa->sa_name) == 0); 97 } 98 99 100 /* 101 * Attach a cgsix. 102 */ 103 void 104 cgsixattach(parent, self, aux) 105 struct device *parent, *self; 106 void *aux; 107 { 108 struct cgsix_softc *sc = (struct cgsix_softc *)self; 109 struct sbusdev *sd = &((struct cgsix_sbus_softc *)self)->bss_sd; 110 struct sbus_attach_args *sa = aux; 111 struct fbdevice *fb = &sc->sc_fb; 112 int node, isconsole; 113 char *name; 114 bus_space_handle_t bh; 115 116 /* Remember cookies for cgsix_mmap() */ 117 sc->sc_bustag = sa->sa_bustag; 118 sc->sc_btype = (bus_type_t)sa->sa_slot; /* Should be deprecated */ 119 sc->sc_paddr = sbus_bus_addr(sa->sa_bustag, sa->sa_slot, sa->sa_offset); 120 121 node = sa->sa_node; 122 123 fb->fb_device = &sc->sc_dev; 124 fb->fb_type.fb_type = FBTYPE_SUNFAST_COLOR; 125 fb->fb_flags = sc->sc_dev.dv_cfdata->cf_flags & FB_USERMASK; 126 fb->fb_type.fb_depth = 8; 127 128 fb_setsize_obp(fb, fb->fb_type.fb_depth, 1152, 900, node); 129 130 /* 131 * Dunno what the PROM has mapped, though obviously it must have 132 * the video RAM mapped. Just map what we care about for ourselves 133 * (the FHC, THC, and Brooktree registers). 134 */ 135 if (sbus_bus_map(sa->sa_bustag, sa->sa_slot, 136 sa->sa_offset + CGSIX_BT_OFFSET, 137 sizeof(*sc->sc_bt), 138 BUS_SPACE_MAP_LINEAR, 139 0, &bh) != 0) { 140 printf("%s: cannot map brooktree registers\n", self->dv_xname); 141 return; 142 } 143 sc->sc_bt = (struct bt_regs *)(u_long)bh; 144 145 if (sbus_bus_map(sa->sa_bustag, sa->sa_slot, 146 sa->sa_offset + CGSIX_FHC_OFFSET, 147 sizeof(*sc->sc_fhc), 148 BUS_SPACE_MAP_LINEAR, 149 0, &bh) != 0) { 150 printf("%s: cannot map FHC registers\n", self->dv_xname); 151 return; 152 } 153 sc->sc_fhc = (int *)(u_long)bh; 154 155 if (sbus_bus_map(sa->sa_bustag, sa->sa_slot, 156 sa->sa_offset + CGSIX_THC_OFFSET, 157 sizeof(*sc->sc_thc), 158 BUS_SPACE_MAP_LINEAR, 159 0, &bh) != 0) { 160 printf("%s: cannot map THC registers\n", self->dv_xname); 161 return; 162 } 163 sc->sc_thc = (struct cg6_thc *)(u_long)bh; 164 165 if (sbus_bus_map(sa->sa_bustag, sa->sa_slot, 166 sa->sa_offset + CGSIX_TEC_OFFSET, 167 sizeof(*sc->sc_tec), 168 BUS_SPACE_MAP_LINEAR, 169 0, &bh) != 0) { 170 printf("%s: cannot map TEC registers\n", self->dv_xname); 171 return; 172 } 173 sc->sc_tec = (struct cg6_tec_xxx *)(u_long)bh; 174 175 if (sbus_bus_map(sa->sa_bustag, sa->sa_slot, 176 sa->sa_offset + CGSIX_FBC_OFFSET, 177 sizeof(*sc->sc_fbc), 178 BUS_SPACE_MAP_LINEAR, 179 0, &bh) != 0) { 180 printf("%s: cannot map FBC registers\n", self->dv_xname); 181 return; 182 } 183 sc->sc_fbc = (struct cg6_fbc *)(u_long)bh; 184 185 sbus_establish(sd, &sc->sc_dev); 186 name = PROM_getpropstring(node, "model"); 187 188 isconsole = fb_is_console(node); 189 if (isconsole && cgsix_use_rasterconsole) { 190 int ramsize = fb->fb_type.fb_height * fb->fb_linebytes; 191 if (sbus_bus_map(sa->sa_bustag, sa->sa_slot, 192 sa->sa_offset + CGSIX_RAM_OFFSET, 193 ramsize, 194 BUS_SPACE_MAP_LINEAR, 195 0, &bh) != 0) { 196 printf("%s: cannot map pixels\n", self->dv_xname); 197 return; 198 } 199 sc->sc_fb.fb_pixels = (caddr_t)(u_long)bh; 200 } 201 202 cg6attach(sc, name, isconsole); 203 } 204
Indexes created Thu Oct 02 14:10:14 GMT 2025