1 /* $NetBSD: tcbus.c,v 1.14 2001/09/19 19:04:17 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1999, 2000 Tohru Nishimura. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Tohru Nishimura 17 * for the NetBSD Project. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 34 __KERNEL_RCSID(0, "$NetBSD: tcbus.c,v 1.14 2001/09/19 19:04:17 thorpej Exp $"); 35 36 /* 37 * Which system models were configured? 38 */ 39 #include "opt_dec_3max.h" 40 #include "opt_dec_3min.h" 41 #include "opt_dec_maxine.h" 42 #include "opt_dec_3maxplus.h" 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/device.h> 47 48 #include <machine/autoconf.h> 49 #include <machine/sysconf.h> 50 51 #define _PMAX_BUS_DMA_PRIVATE 52 #include <machine/bus.h> 53 54 #include <dev/tc/tcvar.h> 55 #include <pmax/pmax/pmaxtype.h> 56 57 static const struct evcnt *tc_ds_intr_evcnt __P((struct device *, void *)); 58 static void tc_ds_intr_establish __P((struct device *, void *, 59 int, int (*)(void *), void *)); 60 static void tc_ds_intr_disestablish __P((struct device *, void *)); 61 static bus_dma_tag_t tc_ds_get_dma_tag __P((int)); 62 63 extern struct tcbus_attach_args kn02_tc_desc[]; /* XXX */ 64 extern struct tcbus_attach_args kmin_tc_desc[]; /* XXX */ 65 extern struct tcbus_attach_args xine_tc_desc[]; /* XXX */ 66 extern struct tcbus_attach_args kn03_tc_desc[]; /* XXX */ 67 68 static int tcbus_match __P((struct device *, struct cfdata *, void *)); 69 static void tcbus_attach __P((struct device *, struct device *, void *)); 70 71 struct cfattach tcbus_ca = { 72 sizeof(struct tc_softc), tcbus_match, tcbus_attach, 73 }; 74 75 static int tcbus_found; 76 77 static int 78 tcbus_match(parent, cfdata, aux) 79 struct device *parent; 80 struct cfdata *cfdata; 81 void *aux; 82 { 83 struct mainbus_attach_args *ma = aux; 84 85 if (tcbus_found || strcmp(ma->ma_name, "tcbus")) 86 return 0; 87 88 return 1; 89 } 90 91 static void 92 tcbus_attach(parent, self, aux) 93 struct device *parent, *self; 94 void *aux; 95 { 96 struct tcbus_attach_args *tba; 97 98 tcbus_found = 1; 99 100 switch (systype) { 101 #ifdef DEC_3MAX 102 case DS_3MAX: 103 tba = &kn02_tc_desc[0]; break; 104 #endif 105 #ifdef DEC_3MIN 106 case DS_3MIN: 107 tba = &kmin_tc_desc[0]; break; 108 #endif 109 #ifdef DEC_MAXINE 110 case DS_MAXINE: 111 tba = &xine_tc_desc[0]; break; 112 #endif 113 #ifdef DEC_3MAXPLUS 114 case DS_3MAXPLUS: 115 tba = &kn03_tc_desc[0]; break; 116 #endif 117 default: 118 panic("tcbus_attach: no TURBOchannel configured for systype = %d", systype); 119 } 120 121 tba->tba_busname = "tc"; 122 tba->tba_memt = 0; 123 tba->tba_intr_evcnt = tc_ds_intr_evcnt; 124 tba->tba_intr_establish = tc_ds_intr_establish; 125 tba->tba_intr_disestablish = tc_ds_intr_disestablish; 126 tba->tba_get_dma_tag = tc_ds_get_dma_tag; 127 128 tcattach(parent, self, tba); 129 } 130 131 /* 132 * Dispatch to model specific interrupt line evcnt fetch rontine 133 */ 134 static const struct evcnt * 135 tc_ds_intr_evcnt(dev, cookie) 136 struct device *dev; 137 void *cookie; 138 { 139 140 /* XXX for now, no evcnt parent reported */ 141 return NULL; 142 } 143 144 /* 145 * Dispatch to model specific interrupt establishing routine 146 */ 147 static void 148 tc_ds_intr_establish(dev, cookie, level, handler, val) 149 struct device *dev; 150 void *cookie; 151 int level; 152 int (*handler) __P((void *)); 153 void *val; 154 { 155 156 (*platform.intr_establish)(dev, cookie, level, handler, val); 157 } 158 159 static void 160 tc_ds_intr_disestablish(dev, arg) 161 struct device *dev; 162 void *arg; 163 { 164 165 printf("cannot disestablish TC interrupts\n"); 166 } 167 168 /* 169 * Return the DMA tag for use by the specified TURBOchannel slot. 170 */ 171 static bus_dma_tag_t 172 tc_ds_get_dma_tag(slot) 173 int slot; 174 { 175 /* 176 * All DECstations use the default DMA tag. 177 */ 178 return (&pmax_default_bus_dma_tag); 179 } 180 181 #include "rasterconsole.h" 182 183 #if NRASTERCONSOLE > 0 184 185 #include "mfb.h" 186 #include "cfb.h" 187 #include "sfb.h" 188 #include "px.h" 189 190 #include <machine/pmioctl.h> /* XXX */ 191 #include <dev/sun/fbio.h> /* XXX */ 192 #include <machine/fbvar.h> /* XXX */ 193 #include <pmax/dev/fbreg.h> /* XXX */ 194 #include <pmax/dev/cfbvar.h> 195 #include <pmax/dev/mfbvar.h> 196 #include <pmax/dev/sfbvar.h> 197 #include <pmax/dev/pxreg.h> 198 #include <pmax/dev/pxvar.h> 199 200 #include <machine/dec_prom.h> 201 202 int 203 tcfb_cnattach(slotno) 204 int slotno; 205 { 206 paddr_t tcaddr; 207 char tcname[TC_ROM_LLEN]; 208 209 tcaddr = (*callv->_slot_address)(slotno); 210 if (tc_badaddr(tcaddr) || tc_checkslot(tcaddr, tcname) == 0) 211 panic("TC console designated by PROM does not exist!?"); 212 213 #if NSFB > 0 214 if (strncmp("PMAGB-BA", tcname, TC_ROM_LLEN) == 0) { 215 return sfb_cnattach(tcaddr); 216 } 217 #endif 218 #if NCFB > 0 219 if (strncmp("PMAG-BA ", tcname, TC_ROM_LLEN) == 0) { 220 return cfb_cnattach(tcaddr); 221 } 222 #endif 223 #if NMFB > 0 224 if (strncmp("PMAG-AA ", tcname, TC_ROM_LLEN) == 0) { 225 return mfb_cnattach(tcaddr); 226 } 227 #endif 228 #if NPX > 0 229 if (strncmp("PMAG-CA ", tcname, TC_ROM_LLEN) == 0 230 || strncmp("PMAG-DA ", tcname, TC_ROM_LLEN) == 0 231 || strncmp("PMAG-FA ", tcname, TC_ROM_LLEN) == 0) { 232 int px_cnattach __P((paddr_t)); /* XXX much simpler XXX */ 233 234 return px_cnattach(tcaddr); 235 } 236 #endif 237 return 0; 238 } 239 240 #endif 241