tcbus.c revision 1.7
1 /* $NetBSD: tcbus.c,v 1.7 2000/01/14 13:45:28 simonb 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 1.7 2000/01/14 13:45:28 simonb Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/device.h> 39 40 #include <machine/autoconf.h> 41 #include <machine/sysconf.h> 42 43 #define _PMAX_BUS_DMA_PRIVATE 44 #include <machine/bus.h> 45 46 #include <dev/tc/tcvar.h> 47 #include <pmax/pmax/pmaxtype.h> 48 49 /* 50 * Which system models were configured? 51 */ 52 #include "opt_dec_3max.h" 53 #include "opt_dec_3min.h" 54 #include "opt_dec_maxine.h" 55 #include "opt_dec_3maxplus.h" 56 57 /* XXX XXX TO BE REMOVED XXX XXX */ 58 /* 59 * DECstation tc implementations dont' have a tcasic to handle interrupts, 60 * and the mapping to CPU interrupt lines is model-dependent. 61 * We have to pass TC interrupt establish/disestablish requests up to 62 * motherboard-specific code. 63 */ 64 static void tc_ds_intr_establish __P((struct device *, void *, 65 int, int (*)(void *), void *)); 66 static void tc_ds_intr_disestablish __P((struct device *, void *)); 67 /* XXX XXX XXX XXX XXX XXX XXX */ 68 69 static bus_dma_tag_t tc_ds_get_dma_tag __P((int)); 70 71 extern struct tcbus_attach_args kn02_tc_desc[]; /* XXX */ 72 extern struct tcbus_attach_args kmin_tc_desc[]; /* XXX */ 73 extern struct tcbus_attach_args xine_tc_desc[]; /* XXX */ 74 extern struct tcbus_attach_args kn03_tc_desc[]; /* XXX */ 75 76 static int tcbus_match __P((struct device *, struct cfdata *, void *)); 77 static 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("tcbus_attach: no TURBOchannel configured for systype = %d", systype); 127 } 128 129 tba->tba_busname = "tc"; 130 tba->tba_memt = 0; 131 tba->tba_intr_establish = tc_ds_intr_establish; 132 tba->tba_intr_disestablish = tc_ds_intr_disestablish; 133 tba->tba_get_dma_tag = tc_ds_get_dma_tag; 134 135 tcattach(parent, self, tba); 136 } 137 138 /* 139 * Return the DMA tag for use by the specified TURBOchannel slot. 140 */ 141 static bus_dma_tag_t 142 tc_ds_get_dma_tag(slot) 143 int slot; 144 { 145 /* 146 * All DECstations use the default DMA tag. 147 */ 148 return (&pmax_default_bus_dma_tag); 149 } 150 151 /* 152 * Establish an interrupt handler. 153 * For both TC and IOCTL asic, we must upcall to motherboard-specific 154 * interrupt-hanlder functions, in case we need to recompute masks for 155 * CPU interrupt lines. 156 */ 157 static void 158 tc_ds_intr_establish(dev, cookie, level, handler, val) 159 struct device *dev; 160 void *cookie; 161 int level; 162 int (*handler) __P((void *)); 163 void *val; 164 { 165 166 #ifdef DEBUG 167 printf("tc_ds_intr_establish: slot %d level %d handler %p sc %p on\n", 168 (int) cookie, (int) level, handler, val); 169 #endif 170 171 /* 172 * Enable the interrupt from tc (or ioctl asic) slot with NetBSD/pmax 173 * sw-convention name ``cookie'' on this CPU. 174 * XXX store the level somewhere for selective enabling of 175 * interrupts from TC option slots. 176 */ 177 (*platform.intr_establish)(dev, cookie, level, handler, val); 178 } 179 180 static void 181 tc_ds_intr_disestablish(dev, arg) 182 struct device *dev; 183 void *arg; 184 { 185 /*(*platform.intr_disestablish)(dev, cookie, level, handler, val);*/ 186 printf("cannot dis-establish IOASIC interrupts\n"); 187 } 188 189 #include "rasterconsole.h" 190 191 #if NRASTERCONSOLE > 0 192 193 #include "mfb.h" 194 #include "cfb.h" 195 #include "sfb.h" 196 #include "px.h" 197 198 #include <machine/fbio.h> 199 #include <machine/fbvar.h> 200 #include <pmax/dev/cfbvar.h> 201 #include <pmax/dev/mfbvar.h> 202 #include <machine/pmioctl.h> /* XXX shouldn't need this here for pxvar.h */ 203 #include <pmax/dev/fbreg.h> /* XXX shouldn't need this here for pxvar.h */ 204 #include <pmax/dev/pxreg.h> /* XXX shouldn't need this here for pxvar.h */ 205 #include <pmax/dev/pxvar.h> 206 #include <pmax/dev/sfbvar.h> 207 208 #include <machine/dec_prom.h> 209 210 int 211 tcfb_cnattach(slotno) 212 int slotno; 213 { 214 tc_addr_t tcaddr; 215 char tcname[TC_ROM_LLEN]; 216 struct fbinfo *fi; 217 218 tcaddr = (*callv->_slot_address)(slotno); 219 if (tc_badaddr(tcaddr) || tc_checkslot(tcaddr, tcname) == 0) 220 panic("TC console designated by PROM does not exist!?"); 221 222 #if NSFB > 0 223 if (strncmp("PMAGB-BA", tcname, TC_ROM_LLEN) == 0) { 224 fballoc((caddr_t)tcaddr, &fi); 225 sfbinit(fi, (caddr_t)tcaddr, 0, 1); 226 return 1; 227 } 228 #endif 229 #if NCFB > 0 230 if (strncmp("PMAG-BA ", tcname, TC_ROM_LLEN) == 0) { 231 fballoc((caddr_t)tcaddr, &fi); 232 cfbinit(fi, (caddr_t)tcaddr, 0, 1); 233 return 1; 234 } 235 #endif 236 #if NMFB > 0 237 if (strncmp("PMAG-AA ", tcname, TC_ROM_LLEN) == 0) { 238 fballoc((caddr_t)tcaddr, &fi); 239 mfbinit(fi, (caddr_t)tcaddr, 0, 1); 240 return 1; 241 } 242 #endif 243 #if NPX > 0 244 if (strncmp("PMAG-CA ", tcname, TC_ROM_LLEN) == 0 245 || strncmp("PMAG-DA ", tcname, TC_ROM_LLEN) == 0 246 || strncmp("PMAG-FA ", tcname, TC_ROM_LLEN) == 0) { 247 fballoc((caddr_t)tcaddr, &fi); 248 px_init(fi, (caddr_t)tcaddr, 0, 1); 249 return 1; 250 } 251 #endif 252 return 0; 253 } 254 255 #endif 256
Indexes created Tue Sep 30 20:09:53 GMT 2025