tcasic.c revision 1.36
1 /* $NetBSD: tcasic.c,v 1.36 2001/08/23 01:16:52 nisimura Exp $ */ 2 3 /* 4 * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 */ 29 30 #include "opt_dec_3000_300.h" 31 #include "opt_dec_3000_500.h" 32 33 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 34 35 __KERNEL_RCSID(0, "$NetBSD: tcasic.c,v 1.36 2001/08/23 01:16:52 nisimura Exp $"); 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/device.h> 40 41 #include <machine/autoconf.h> 42 #include <machine/rpb.h> 43 #include <machine/alpha.h> 44 45 #include <dev/tc/tcvar.h> 46 #include <alpha/tc/tc_conf.h> 47 48 /* Definition of the driver for autoconfig. */ 49 int tcasicmatch(struct device *, struct cfdata *, void *); 50 void tcasicattach(struct device *, struct device *, void *); 51 52 struct cfattach tcasic_ca = { 53 sizeof (struct device), tcasicmatch, tcasicattach, 54 }; 55 56 extern struct cfdriver tcasic_cd; 57 58 int tcasicprint __P((void *, const char *)); 59 60 /* There can be only one. */ 61 int tcasicfound; 62 63 int 64 tcasicmatch(parent, cfdata, aux) 65 struct device *parent; 66 struct cfdata *cfdata; 67 void *aux; 68 { 69 struct mainbus_attach_args *ma = aux; 70 71 /* Make sure that we're looking for a TurboChannel ASIC. */ 72 if (strcmp(ma->ma_name, tcasic_cd.cd_name)) 73 return (0); 74 75 /* Make sure that the system supports a TurboChannel ASIC. */ 76 if ((cputype != ST_DEC_3000_500) && (cputype != ST_DEC_3000_300)) 77 return (0); 78 79 if (tcasicfound) 80 return (0); 81 82 return (1); 83 } 84 85 void 86 tcasicattach(parent, self, aux) 87 struct device *parent; 88 struct device *self; 89 void *aux; 90 { 91 struct tcbus_attach_args tba; 92 void (*intr_setup) __P((void)); 93 void (*iointr) __P((void *, unsigned long)); 94 95 printf("\n"); 96 tcasicfound = 1; 97 98 switch (cputype) { 99 #ifdef DEC_3000_500 100 case ST_DEC_3000_500: 101 102 intr_setup = tc_3000_500_intr_setup; 103 iointr = tc_3000_500_iointr; 104 105 tba.tba_speed = TC_SPEED_25_MHZ; 106 tba.tba_nslots = tc_3000_500_nslots; 107 tba.tba_slots = tc_3000_500_slots; 108 if (hwrpb->rpb_variation & SV_GRAPHICS) { 109 tba.tba_nbuiltins = tc_3000_500_graphics_nbuiltins; 110 tba.tba_builtins = tc_3000_500_graphics_builtins; 111 } else { 112 tba.tba_nbuiltins = tc_3000_500_nographics_nbuiltins; 113 tba.tba_builtins = tc_3000_500_nographics_builtins; 114 } 115 tba.tba_intr_evcnt = tc_3000_500_intr_evcnt; 116 tba.tba_intr_establish = tc_3000_500_intr_establish; 117 tba.tba_intr_disestablish = tc_3000_500_intr_disestablish; 118 tba.tba_get_dma_tag = tc_dma_get_tag_3000_500; 119 120 /* Do 3000/500-specific DMA setup now. */ 121 tc_dma_init_3000_500(tc_3000_500_nslots); 122 break; 123 #endif /* DEC_3000_500 */ 124 125 #ifdef DEC_3000_300 126 case ST_DEC_3000_300: 127 128 intr_setup = tc_3000_300_intr_setup; 129 iointr = tc_3000_300_iointr; 130 131 tba.tba_speed = TC_SPEED_12_5_MHZ; 132 tba.tba_nslots = tc_3000_300_nslots; 133 tba.tba_slots = tc_3000_300_slots; 134 tba.tba_nbuiltins = tc_3000_300_nbuiltins; 135 tba.tba_builtins = tc_3000_300_builtins; 136 tba.tba_intr_evcnt = tc_3000_300_intr_evcnt; 137 tba.tba_intr_establish = tc_3000_300_intr_establish; 138 tba.tba_intr_disestablish = tc_3000_300_intr_disestablish; 139 tba.tba_get_dma_tag = tc_dma_get_tag_3000_300; 140 break; 141 #endif /* DEC_3000_300 */ 142 143 default: 144 panic("tcasicattach: bad cputype"); 145 } 146 147 tba.tba_busname = "tc"; 148 tba.tba_memt = tc_bus_mem_init(NULL); 149 150 tc_dma_init(); 151 152 (*intr_setup)(); 153 154 /* They all come in at 0x800. */ 155 scb_set(0x800, iointr, NULL); 156 157 config_found(self, &tba, tcasicprint); 158 } 159 160 int 161 tcasicprint(aux, pnp) 162 void *aux; 163 const char *pnp; 164 { 165 166 /* only TCs can attach to tcasics; easy. */ 167 if (pnp) 168 printf("tc at %s", pnp); 169 return (UNCONF); 170 } 171 172 #include "wsdisplay.h" 173 174 #if NWSDISPLAY > 0 175 176 #include "sfb.h" 177 #include "sfbp.h" 178 #include "cfb.h" 179 #include "mfb.h" 180 #include "tfb.h" 181 #include "px.h" 182 #include "pxg.h" 183 184 extern void sfb_cnattach __P((tc_addr_t)); 185 extern void sfbp_cnattach __P((tc_addr_t)); 186 extern void cfb_cnattach __P((tc_addr_t)); 187 extern void mfb_cnattach __P((tc_addr_t)); 188 extern void tfb_cnattach __P((tc_addr_t)); 189 extern void px_cnattach __P((tc_addr_t)); 190 extern void pxg_cnattach __P((tc_addr_t)); 191 extern int tc_checkslot __P((tc_addr_t, char *)); 192 193 struct cnboards { 194 const char *cb_tcname; 195 void (*cb_cnattach)(tc_addr_t); 196 } static const cnboards[] = { 197 #if NSFB > 0 198 { "PMAGB-BA", sfb_cnattach }, 199 #endif 200 #if NSFBP > 0 201 { "PMAGD ", sfbp_cnattach }, 202 #endif 203 #if NCFB > 0 204 { "PMAG-BA ", cfb_cnattach }, 205 #endif 206 #if NMFB > 0 207 { "PMAG-AA ", mfb_cnattach }, 208 #endif 209 #if NTFB > 0 210 { "PMAG-JA ", tfb_cnattach }, 211 #endif 212 #if NPX > 0 213 { "PMAG-CA ", px_cnattach }, 214 #endif 215 #if NPXG > 0 216 { "PMAG-DA ", pxg_cnattach }, 217 { "PMAG-FA ", pxg_cnattach }, 218 { "PMAG-FB ", pxg_cnattach }, 219 { "PMAGB-FA", pxg_cnattach }, 220 { "PMAGB-FB", pxg_cnattach }, 221 #endif 222 }; 223 224 /* 225 * tc_fb_cnattach -- 226 * Attempt to attach the appropriate display driver to the 227 * output console. 228 */ 229 int 230 tc_fb_cnattach(tcaddr) 231 tc_addr_t tcaddr; 232 { 233 char tcname[TC_ROM_LLEN]; 234 int i; 235 236 if (tc_badaddr(tcaddr) || (tc_checkslot(tcaddr, tcname) == 0)) 237 return (EINVAL); 238 239 for (i = 0; i < sizeof(cnboards) / sizeof(cnboards[0]); i++) 240 if (strncmp(tcname, cnboards[i].cb_tcname, TC_ROM_LLEN) == 0) 241 break; 242 243 if (i == sizeof(cnboards) / sizeof(cnboards[0])) 244 return (ENXIO); 245 246 (cnboards[i].cb_cnattach)(tcaddr); 247 return (0); 248 } 249 #endif /* if NWSDISPLAY > 0 */ 250
Indexes created Thu Oct 02 07:10:07 GMT 2025