sys/arch/x68k/dev/grf_machdep.c

   1 /*      $NetBSD: grf_machdep.c,v 1.28 2009/01/17 09:20:46 isaki 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 1.28 2009/01/17 09:20:46 isaki Exp $");
  86
  87 #include "locators.h"
  88
  89 #include <sys/param.h>
  90 #include <sys/systm.h>
  91 #include <sys/device.h>
  92
  93 #include <machine/autoconf.h>
  94 #include <machine/grfioctl.h>
  95 #include <x68k/dev/grfvar.h>
  96 #include <x68k/x68k/iodevice.h>
  97
  98 /* grfbus: is this necessary? */
  99 int grfbusprint(void *auxp, const char *);
 100 int grfbusmatch(device_t, cfdata_t, void *);
 101 void grfbusattach(device_t, device_t, void *);
 102 int grfbussearch(device_t, cfdata_t, const int *, void *);
 103
 104 /* grf itself */
 105 int grfmatch(device_t, cfdata_t, void *);
 106 void grfattach(device_t, device_t, void *);
 107 int grfprint(void *, const char *);
 108
 109 static int grfinit(struct grf_softc *, int);
 110
 111 CFATTACH_DECL_NEW(grfbus, 0,
 112     grfbusmatch, grfbusattach, NULL, NULL);
 113
 114 CFATTACH_DECL_NEW(grf, sizeof(struct grf_softc),
 115     grfmatch, grfattach, NULL, NULL);
 116
 117 extern struct cfdriver grfbus_cd;
 118
 119 int
 120 grfbusmatch(device_t pdp, cfdata_t cfp, void *auxp)
 121 {
 122         if (strcmp(auxp, grfbus_cd.cd_name))
 123                 return (0);
 124
 125         return (1);
 126 }
 127
 128 void
 129 grfbusattach(device_t pdp, device_t dp, void *auxp)
 130 {
 131
 132         aprint_normal("\n");
 133         config_search_ia(grfbussearch, dp, "grfb", NULL);
 134 }
 135
 136 int
 137 grfbussearch(device_t dp, cfdata_t match, const int *ldesc, void *aux)
 138 {
 139
 140         config_found(dp, &match->cf_loc[GRFBCF_ADDR], grfbusprint);
 141         return (0);
 142 }
 143
 144 int
 145 grfbusprint(void *auxp, const char *name)
 146 {
 147
 148         if (name == NULL)
 149                 return (UNCONF);
 150         return (QUIET);
 151 }
 152
 153 /*
 154  * Normal init routine called by configure() code
 155  */
 156 int
 157 grfmatch(device_t parent, cfdata_t cfp, void *aux)
 158 {
 159         int addr;
 160
 161         addr = cfp->cf_loc[GRFBCF_ADDR];
 162         if (addr < 0 || addr > ngrfsw)
 163                 return 0;
 164
 165         return 1;
 166 }
 167
 168 struct grf_softc congrf;
 169
 170 void
 171 grfattach(device_t parent, device_t dp, void *aux)
 172 {
 173         struct grf_softc *gp;
 174         struct cfdata *cf;
 175         int addr;
 176
 177         cf = device_cfdata(dp);
 178         addr = cf->cf_loc[GRFBCF_ADDR];
 179
 180         gp = device_private(dp);
 181         gp->g_device = dp;
 182         gp->g_cfaddr = addr;
 183         grfinit(gp, addr);
 184
 185         aprint_normal(": %d x %d ",
 186                 gp->g_display.gd_dwidth, gp->g_display.gd_dheight);
 187         if (gp->g_display.gd_colors == 2)
 188                 aprint_normal("monochrome");
 189         else
 190                 aprint_normal("%d colors", gp->g_display.gd_colors);
 191         aprint_normal(" %s display\n", gp->g_sw->gd_desc);
 192
 193         /*
 194          * try and attach an ite
 195          */
 196         config_found(dp, gp, grfprint);
 197 }
 198
 199 int
 200 grfprint(void *auxp, const char *pnp)
 201 {
 202
 203         if (pnp)
 204                 aprint_normal("ite at %s", pnp);
 205         return UNCONF;
 206 }
 207
 208 int
 209 grfinit(struct grf_softc *gp, int cfaddr)
 210 {
 211         struct grfsw *gsw;
 212         void *addr;
 213
 214         if (cfaddr == 0)
 215                 addr = (void *)__UNVOLATILE(IODEVbase->tvram);
 216         else
 217                 addr = (void *)__UNVOLATILE(IODEVbase->gvram);
 218
 219         gsw = &grfsw[cfaddr];
 220         if (gsw < &grfsw[ngrfsw] && (*gsw->gd_init)(gp, addr)) {
 221                 gp->g_sw = gsw;
 222                 gp->g_display.gd_id = gsw->gd_swid;
 223                 gp->g_flags = GF_ALIVE;
 224                 return 1;
 225         }
 226
 227         return 0;
 228 }
 229
 230 void
 231 grf_config_console(void)
 232 {
 233         grfinit(&congrf, 0);
 234 }