cgsix_sbus.c revision 1.26
1 /* $NetBSD: cgsix_sbus.c,v 1.26 2009/03/14 15:36:20 dsl 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * color display (cgsix) driver; Sbus bus front-end. 34 */ 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: cgsix_sbus.c,v 1.26 2009/03/14 15:36:20 dsl Exp $"); 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/buf.h> 42 #include <sys/device.h> 43 #include <sys/ioctl.h> 44 #include <sys/malloc.h> 45 #include <sys/mman.h> 46 #include <sys/tty.h> 47 #include <sys/conf.h> 48 49 #ifdef DEBUG 50 #include <sys/proc.h> 51 #include <sys/syslog.h> 52 #endif 53 54 #include <sys/bus.h> 55 #include <machine/autoconf.h> 56 57 #include <dev/sbus/sbusvar.h> 58 59 #include <dev/sun/fbio.h> 60 #include <dev/sun/fbvar.h> 61 #include <dev/sun/btreg.h> 62 #include <dev/sun/btvar.h> 63 #include <dev/sun/cgsixreg.h> 64 #include <dev/sun/cgsixvar.h> 65 66 /* autoconfiguration driver */ 67 static int cgsixmatch(device_t, struct cfdata *, void *); 68 static void cgsixattach(device_t, device_t, void *); 69 70 /* Allocate an `sbusdev' in addition to the cgsix softc */ 71 struct cgsix_sbus_softc { 72 struct cgsix_softc bss_softc; 73 struct sbusdev bss_sd; 74 }; 75 76 CFATTACH_DECL_NEW(cgsix_sbus, sizeof(struct cgsix_sbus_softc), 77 cgsixmatch, cgsixattach, NULL, NULL); 78 79 /* 80 * Match a cgsix. 81 */ 82 int 83 cgsixmatch(device_t parent, struct cfdata *cf, void *aux) 84 { 85 struct sbus_attach_args *sa = aux; 86 87 return (strcmp(cf->cf_name, sa->sa_name) == 0) ? 100 : 0; 88 } 89 90 91 /* 92 * Attach a cgsix. 93 */ 94 void 95 cgsixattach(parent, self, aux) 96 device_t parent, self; 97 void *aux; 98 { 99 struct cgsix_sbus_softc *ssc = device_private(self); 100 struct cgsix_softc *sc = &ssc->bss_softc; 101 struct sbusdev *sd = &ssc->bss_sd; 102 struct sbus_attach_args *sa = aux; 103 struct fbdevice *fb = &sc->sc_fb; 104 int node, isconsole; 105 const char *name; 106 bus_space_handle_t bh; 107 108 /* Remember cookies for cgsix_mmap() */ 109 sc->sc_bustag = sa->sa_bustag; 110 sc->sc_paddr = sbus_bus_addr(sa->sa_bustag, sa->sa_slot, sa->sa_offset); 111 sc->sc_dev = self; 112 113 node = sa->sa_node; 114 115 fb->fb_device = sc->sc_dev; 116 fb->fb_type.fb_type = FBTYPE_SUNFAST_COLOR; 117 fb->fb_flags = device_cfdata(sc->sc_dev)->cf_flags & FB_USERMASK; 118 fb->fb_type.fb_depth = 8; 119 120 fb_setsize_obp(fb, fb->fb_type.fb_depth, 1152, 900, node); 121 122 /* 123 * Dunno what the PROM has mapped, though obviously it must have 124 * the video RAM mapped. Just map what we care about for ourselves 125 * (the FHC, THC, and Brooktree registers). 126 */ 127 if (sbus_bus_map(sa->sa_bustag, 128 sa->sa_slot, 129 sa->sa_offset + CGSIX_BT_OFFSET, 130 sizeof(*sc->sc_bt), 131 BUS_SPACE_MAP_LINEAR, &bh) != 0) { 132 aprint_error_dev(self, "cannot map brooktree registers\n"); 133 return; 134 } 135 sc->sc_bt = (struct bt_regs *)bus_space_vaddr(sa->sa_bustag, bh); 136 137 if (sbus_bus_map(sa->sa_bustag, 138 sa->sa_slot, 139 sa->sa_offset + CGSIX_FHC_OFFSET, 140 sizeof(*sc->sc_fhc), 141 BUS_SPACE_MAP_LINEAR, &bh) != 0) { 142 aprint_error_dev(self, "cannot map FHC registers\n"); 143 return; 144 } 145 sc->sc_fhc = (int *)bus_space_vaddr(sa->sa_bustag, bh); 146 147 if (sbus_bus_map(sa->sa_bustag, 148 sa->sa_slot, 149 sa->sa_offset + CGSIX_THC_OFFSET, 150 sizeof(*sc->sc_thc), 151 BUS_SPACE_MAP_LINEAR, &bh) != 0) { 152 aprint_error_dev(self, "cannot map THC registers\n"); 153 return; 154 } 155 sc->sc_thc = (struct cg6_thc *)bus_space_vaddr(sa->sa_bustag, bh); 156 157 if (sbus_bus_map(sa->sa_bustag, 158 sa->sa_slot, 159 sa->sa_offset + CGSIX_TEC_OFFSET, 160 sizeof(*sc->sc_tec), 161 BUS_SPACE_MAP_LINEAR, &bh) != 0) { 162 aprint_error_dev(self, "cannot map TEC registers\n"); 163 return; 164 } 165 sc->sc_tec = (struct cg6_tec_xxx *)bus_space_vaddr(sa->sa_bustag, bh); 166 167 if (sbus_bus_map(sa->sa_bustag, 168 sa->sa_slot, 169 sa->sa_offset + CGSIX_FBC_OFFSET, 170 sizeof(*sc->sc_fbc), 171 BUS_SPACE_MAP_LINEAR, &bh) != 0) { 172 aprint_error_dev(self, "cannot map FBC registers\n"); 173 return; 174 } 175 sc->sc_fbc = (struct cg6_fbc *)bus_space_vaddr(sa->sa_bustag, bh); 176 177 sbus_establish(sd, sc->sc_dev); 178 name = prom_getpropstring(node, "model"); 179 180 isconsole = fb_is_console(node); 181 182 /* 183 * we need the address of the framebuffer, no matter if we're console or 184 * not. 185 */ 186 sc->sc_ramsize = prom_getpropint(node, "fbmapped", 1024 * 1024); 187 if (sbus_bus_map(sa->sa_bustag, 188 sa->sa_slot, 189 sa->sa_offset + CGSIX_RAM_OFFSET, 190 sc->sc_ramsize, 191 BUS_SPACE_MAP_LINEAR, &bh) != 0) { 192 aprint_error_dev(self, "cannot map pixels\n"); 193 return; 194 } 195 sc->sc_fb.fb_pixels = (void *)bus_space_vaddr(sa->sa_bustag, bh); 196 197 cg6attach(sc, name, isconsole); 198 } 199
Indexes created Fri Oct 03 02:09:57 GMT 2025