tcbus.c revision 1.1
1 /* $NetBSD: tcbus.c,v 1.1 1999/11/15 09:50:44 nisimura Exp $ */ 2 3 /* 4 * Copyright (c) 1999 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 1.1 1999/11/15 09:50:44 nisimura Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/device.h> 39 40 #include <machine/autoconf.h> 41 42 #define _PMAX_BUS_DMA_PRIVATE 43 #include <machine/bus.h> 44 45 #include <dev/tc/tcvar.h> 46 #include <pmax/pmax/pmaxtype.h> 47 48 /* 49 * Which system models were configured? 50 */ 51 #include "opt_dec_3max.h" 52 #include "opt_dec_3min.h" 53 #include "opt_dec_maxine.h" 54 #include "opt_dec_3maxplus.h" 55 56 /* XXX XXX TO BE REMOVED XXX XXX */ 57 /* 58 * DECstation tc implementations dont' have a tcasic to handle interrupts, 59 * and the mapping to CPU interrupt lines is model-dependent. 60 * We have to pass TC interrupt establish/disestablish requests up to 61 * motherboard-specific code. 62 */ 63 void tc_ds_intr_establish __P((struct device *, void *, 64 int, int (*)(void *), void *)); 65 void tc_ds_intr_disestablish __P((struct device *, void *)); 66 extern void (*tc_enable_interrupt) __P ((unsigned, int (*)(void *), void *, int)); 67 /* XXX XXX XXX XXX XXX XXX XXX */ 68 69 bus_dma_tag_t tc_ds_get_dma_tag __P((int)); 70 71 extern struct tcbus_attach_args kn02_tc_desc[]; 72 extern struct tcbus_attach_args kmin_tc_desc[]; 73 extern struct tcbus_attach_args xine_tc_desc[]; 74 extern struct tcbus_attach_args kn03_tc_desc[]; 75 76 int tcbus_match __P((struct device *, struct cfdata *, void *)); 77 void tcbus_attach __P((struct device *, struct device *, void *)); 78 79 struct cfattach tcbus_ca = { 80 sizeof(struct tc_softc), tcbus_match, tcbus_attach, 81 }; 82 83 static int tcbus_found; 84 85 int 86 tcbus_match(parent, cfdata, aux) 87 struct device *parent; 88 struct cfdata *cfdata; 89 void *aux; 90 { 91 struct mainbus_attach_args *ma = aux; 92 93 if (tcbus_found || strcmp(ma->ma_name, "tcbus")) 94 return 0; 95 96 return 1; 97 } 98 99 void 100 tcbus_attach(parent, self, aux) 101 struct device *parent, *self; 102 void *aux; 103 { 104 struct tcbus_attach_args *tba; 105 106 tcbus_found = 1; 107 108 switch (systype) { 109 #ifdef DEC_3MAX 110 case DS_3MAX: 111 tba = &kn02_tc_desc[0]; break; 112 #endif 113 #ifdef DEC_3MIN 114 case DS_3MIN: 115 tba = &kmin_tc_desc[0]; break; 116 #endif 117 #ifdef DEC_MAXINE 118 case DS_MAXINE: 119 tba = &xine_tc_desc[0]; break; 120 #endif 121 #ifdef DEC_3MAXPLUS 122 case DS_3MAXPLUS: 123 tba = &kn03_tc_desc[0]; break; 124 #endif 125 default: 126 panic("config_tba: no TURBOchannel configured for systype %d", 127 systype); 128 } 129 130 tba->tba_busname = "tc"; 131 tba->tba_memt = 0; 132 tba->tba_intr_establish = tc_ds_intr_establish; 133 tba->tba_intr_disestablish = tc_ds_intr_disestablish; 134 tba->tba_get_dma_tag = tc_ds_get_dma_tag; 135 136 tcattach(parent, self, tba); 137 } 138 139 /* 140 * Return the DMA tag for use by the specified TURBOchannel slot. 141 */ 142 bus_dma_tag_t 143 tc_ds_get_dma_tag(slot) 144 int slot; 145 { 146 /* 147 * All DECstations use the default DMA tag. 148 */ 149 return (&pmax_default_bus_dma_tag); 150 } 151 152 /* 153 * Establish an interrupt handler. 154 * For both TC and IOCTL asic, we must upcall to motherboard-specific 155 * interrupt-hanlder functions, in case we need to recompute masks for 156 * CPU interrupt lines. 157 */ 158 void 159 tc_ds_intr_establish(dev, cookie, level, handler, val) 160 struct device *dev; 161 void *cookie; 162 int level; 163 int (*handler) __P((void *)); 164 void *val; 165 { 166 167 #ifdef DIAGNOSTIC 168 if (tc_enable_interrupt == NULL) 169 panic("tc_intr_establish: tc_enable not set\n"); 170 #endif 171 172 #ifdef DEBUG 173 printf("tc_intr_establish: slot %d level %d handler %p sc %p on\n", 174 (int) cookie, (int) level, handler, val); 175 #endif 176 177 /* 178 * Enable the interrupt from tc (or ioctl asic) slot with NetBSD/pmax 179 * sw-convention name ``cookie'' on this CPU. 180 * XXX store the level somewhere for selective enabling of 181 * interrupts from TC option slots. 182 */ 183 (*tc_enable_interrupt)((unsigned)cookie, handler, val, 1); 184 } 185 186 void 187 tc_ds_intr_disestablish(dev, arg) 188 struct device *dev; 189 void *arg; 190 { 191 /*(*tc_enable_interrupt) (ca->ca_slot, handler, 0);*/ 192 printf("cannot dis-establish IOASIC interrupts\n"); 193 } 194 195 #include "rasterconsole.h" 196 197 #if NRASTERCONSOLE > 0 198 199 #include "mfb.h" 200 #include "cfb.h" 201 #include "sfb.h" 202 #include "px.h" 203 204 #include <machine/fbio.h> 205 #include <machine/fbvar.h> 206 #include <pmax/dev/cfbvar.h> 207 #include <pmax/dev/mfbvar.h> 208 #include <pmax/dev/sfbvar.h> 209 210 extern int px_init __P((struct fbinfo*, char *, int, int)); 211 212 #include <machine/dec_prom.h> 213 214 int tcfb_cnattach __P((int)); 215 216 int 217 tcfb_cnattach(slotno) 218 int slotno; 219 { 220 tc_addr_t tcaddr; 221 char tcname[TC_ROM_LLEN]; 222 struct fbinfo *fi; 223 224 tcaddr = (*callv->_slot_address)(slotno); 225 if (tc_badaddr(tcaddr) || tc_checkslot(tcaddr, tcname) == 0) 226 panic("TC console designated by PROM does not exist!?"); 227 228 #if NSFB > 0 229 if (strncmp("PMAGB-BA", tcname, TC_ROM_LLEN) == 0) { 230 fballoc((caddr_t)tcaddr, &fi); 231 sfbinit(fi, (caddr_t)tcaddr, 0, 1); 232 return 1; 233 } 234 #endif 235 #if NCFB > 0 236 if (strncmp("PMAG-BA ", tcname, TC_ROM_LLEN) == 0) { 237 fballoc((caddr_t)tcaddr, &fi); 238 cfbinit(fi, (caddr_t)tcaddr, 0, 1); 239 return 1; 240 } 241 #endif 242 #if NMFB > 0 243 if (strncmp("PMAG-AA ", tcname, TC_ROM_LLEN) == 0) { 244 fballoc((caddr_t)tcaddr, &fi); 245 mfbinit(fi, (caddr_t)tcaddr, 0, 1); 246 return 1; 247 } 248 #endif 249 #if NPX > 0 250 if (strncmp("PMAG-CA ", tcname, TC_ROM_LLEN) == 0 251 || strncmp("PMAG-CA ", tcname, TC_ROM_LLEN) == 0 252 || strncmp("PMAG-FA ", tcname, TC_ROM_LLEN) == 0) { 253 fballoc((caddr_t)tcaddr, &fi); 254 px_init(fi, (caddr_t)tcaddr, 0, 1); 255 return 1; 256 } 257 #endif 258 return 0; 259 } 260 261 #endif 262
Indexes created Tue Sep 30 20:09:53 GMT 2025