1 /* $NetBSD: tcbus.c,v 1.29 2012/10/13 06:51:23 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (c) 1999, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Tohru Nishimura. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: tcbus.c,v 1.29 2012/10/13 06:51:23 tsutsui Exp $"); 34 35 #define _PMAX_BUS_DMA_PRIVATE 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/bus.h> 46 #include <sys/device.h> 47 #include <sys/systm.h> 48 49 #include <pmax/autoconf.h> 50 #include <pmax/sysconf.h> 51 52 #include <dev/tc/tcvar.h> 53 #include <pmax/pmax/pmaxtype.h> 54 55 static const struct evcnt *tc_ds_intr_evcnt(device_t, void *); 56 static void tc_ds_intr_establish(device_t, void *, 57 int, int (*)(void *), void *); 58 static void tc_ds_intr_disestablish(device_t, void *); 59 static bus_dma_tag_t tc_ds_get_dma_tag(int); 60 61 extern struct tcbus_attach_args kn02_tc_desc[]; /* XXX */ 62 extern struct tcbus_attach_args kmin_tc_desc[]; /* XXX */ 63 extern struct tcbus_attach_args xine_tc_desc[]; /* XXX */ 64 extern struct tcbus_attach_args kn03_tc_desc[]; /* XXX */ 65 66 static int tcbus_match(device_t, cfdata_t, void *); 67 static void tcbus_attach(device_t, device_t, void *); 68 69 CFATTACH_DECL_NEW(tcbus, sizeof(struct tc_softc), 70 tcbus_match, tcbus_attach, NULL, NULL); 71 72 static int tcbus_found; 73 74 static int 75 tcbus_match(device_t parent, cfdata_t cf, void *aux) 76 { 77 struct mainbus_attach_args *ma = aux; 78 79 if (tcbus_found || strcmp(ma->ma_name, "tcbus")) 80 return 0; 81 82 return 1; 83 } 84 85 static void 86 tcbus_attach(device_t parent, device_t self, void *aux) 87 { 88 struct tcbus_attach_args *tba; 89 90 tcbus_found = 1; 91 92 switch (systype) { 93 #ifdef DEC_3MAX 94 case DS_3MAX: 95 tba = &kn02_tc_desc[0]; break; 96 #endif 97 #ifdef DEC_3MIN 98 case DS_3MIN: 99 tba = &kmin_tc_desc[0]; break; 100 #endif 101 #ifdef DEC_MAXINE 102 case DS_MAXINE: 103 tba = &xine_tc_desc[0]; break; 104 #endif 105 #ifdef DEC_3MAXPLUS 106 case DS_3MAXPLUS: 107 tba = &kn03_tc_desc[0]; break; 108 #endif 109 default: 110 panic("tcbus_attach: no TURBOchannel configured for systype = %d", systype); 111 } 112 113 tba->tba_busname = "tc"; 114 tba->tba_memt = 0; 115 tba->tba_intr_evcnt = tc_ds_intr_evcnt; 116 tba->tba_intr_establish = tc_ds_intr_establish; 117 tba->tba_intr_disestablish = tc_ds_intr_disestablish; 118 tba->tba_get_dma_tag = tc_ds_get_dma_tag; 119 120 /* XXX why not config_found(9)? */ 121 tcattach(parent, self, tba); 122 } 123 124 /* 125 * Dispatch to model specific interrupt line evcnt fetch rontine 126 */ 127 static const struct evcnt * 128 tc_ds_intr_evcnt(device_t dev, void *cookie) 129 { 130 131 /* XXX for now, no evcnt parent reported */ 132 return NULL; 133 } 134 135 /* 136 * Dispatch to model specific interrupt establishing routine 137 */ 138 static void 139 tc_ds_intr_establish(device_t dev, void *cookie, int level, 140 int (*handler)(void *), void *val) 141 { 142 143 (*platform.intr_establish)(dev, cookie, level, handler, val); 144 } 145 146 static void 147 tc_ds_intr_disestablish(device_t dev, void *arg) 148 { 149 150 printf("cannot disestablish TC interrupts\n"); 151 } 152 153 /* 154 * Return the DMA tag for use by the specified TURBOchannel slot. 155 */ 156 static bus_dma_tag_t 157 tc_ds_get_dma_tag(int slot) 158 { 159 /* 160 * All DECstations use the default DMA tag. 161 */ 162 return (&pmax_default_bus_dma_tag); 163 } 164 165 #include "wsdisplay.h" 166 167 #if NWSDISPLAY > 0 168 169 #include "sfb.h" 170 /* #include "sfbp.h" */ 171 #include "cfb.h" 172 #include "mfb.h" 173 #include "tfb.h" 174 #include "xcfb.h" 175 #include "px.h" 176 #include "pxg.h" 177 178 #include <pmax/pmax/cons.h> 179 #include <pmax/dec_prom.h> 180 181 int tc_checkslot(tc_addr_t, char *); 182 183 struct cnboards { 184 const char *cb_tcname; 185 void (*cb_cnattach)(tc_addr_t); 186 } static const cnboards[] = { 187 #if NXCFB > 0 188 { "PMAG-DV ", xcfb_cnattach }, 189 #endif 190 #if NSFB > 0 191 { "PMAGB-BA", sfb_cnattach }, 192 #endif 193 #if NSFBP > 0 194 { "PMAGD ", sfbp_cnattach }, 195 #endif 196 #if NCFB > 0 197 { "PMAG-BA ", cfb_cnattach }, 198 #endif 199 #if NMFB > 0 200 { "PMAG-AA ", mfb_cnattach }, 201 #endif 202 #if NTFB > 0 203 { "PMAG-JA ", tfb_cnattach }, 204 #endif 205 #if NPX > 0 206 { "PMAG-CA ", px_cnattach }, 207 #endif 208 #if NPXG > 0 209 { "PMAG-DA ", pxg_cnattach }, 210 { "PMAG-FA ", pxg_cnattach }, 211 { "PMAG-FB ", pxg_cnattach }, 212 { "PMAGB-FA", pxg_cnattach }, 213 { "PMAGB-FB", pxg_cnattach }, 214 #endif 215 }; 216 217 int 218 tcfb_cnattach(int slotno) 219 { 220 paddr_t tcaddr; 221 char tcname[TC_ROM_LLEN]; 222 int i; 223 224 tcaddr = promcall(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 for (i = 0; i < __arraycount(cnboards); i++) { 229 if (strncmp(tcname, cnboards[i].cb_tcname, TC_ROM_LLEN) == 0) 230 break; 231 } 232 233 if (i == __arraycount(cnboards)) 234 return (0); 235 236 (cnboards[i].cb_cnattach)((tc_addr_t)TC_PHYS_TO_UNCACHED(tcaddr)); 237 return (1); 238 } 239 240 #endif /* NWSDISPLAY */ 241