1 /* $NetBSD: tcbus.c,v 1.27 2011/06/04 01:57:35 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 1.27 2011/06/04 01:57:35 tsutsui Exp $"); 34 35 /* 36 * Which system models were configured? 37 */ 38 #include "opt_dec_3max.h" 39 #include "opt_dec_3min.h" 40 #include "opt_dec_maxine.h" 41 #include "opt_dec_3maxplus.h" 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/device.h> 46 47 #include <machine/autoconf.h> 48 #include <machine/sysconf.h> 49 50 #define _PMAX_BUS_DMA_PRIVATE 51 #include <machine/bus.h> 52 53 #include <dev/tc/tcvar.h> 54 #include <pmax/pmax/pmaxtype.h> 55 56 static const struct evcnt *tc_ds_intr_evcnt(struct device *, void *); 57 static void tc_ds_intr_establish(struct device *, void *, 58 int, int (*)(void *), void *); 59 static void tc_ds_intr_disestablish(struct device *, void *); 60 static bus_dma_tag_t tc_ds_get_dma_tag(int); 61 62 extern struct tcbus_attach_args kn02_tc_desc[]; /* XXX */ 63 extern struct tcbus_attach_args kmin_tc_desc[]; /* XXX */ 64 extern struct tcbus_attach_args xine_tc_desc[]; /* XXX */ 65 extern struct tcbus_attach_args kn03_tc_desc[]; /* XXX */ 66 67 static int tcbus_match(device_t, cfdata_t, void *); 68 static void tcbus_attach(device_t, device_t, void *); 69 70 CFATTACH_DECL_NEW(tcbus, sizeof(struct tc_softc), 71 tcbus_match, tcbus_attach, NULL, NULL); 72 73 static int tcbus_found; 74 75 static int 76 tcbus_match(device_t parent, cfdata_t cf, void *aux) 77 { 78 struct mainbus_attach_args *ma = aux; 79 80 if (tcbus_found || strcmp(ma->ma_name, "tcbus")) 81 return 0; 82 83 return 1; 84 } 85 86 static void 87 tcbus_attach(device_t parent, device_t self, void *aux) 88 { 89 struct tcbus_attach_args *tba; 90 91 tcbus_found = 1; 92 93 switch (systype) { 94 #ifdef DEC_3MAX 95 case DS_3MAX: 96 tba = &kn02_tc_desc[0]; break; 97 #endif 98 #ifdef DEC_3MIN 99 case DS_3MIN: 100 tba = &kmin_tc_desc[0]; break; 101 #endif 102 #ifdef DEC_MAXINE 103 case DS_MAXINE: 104 tba = &xine_tc_desc[0]; break; 105 #endif 106 #ifdef DEC_3MAXPLUS 107 case DS_3MAXPLUS: 108 tba = &kn03_tc_desc[0]; break; 109 #endif 110 default: 111 panic("tcbus_attach: no TURBOchannel configured for systype = %d", systype); 112 } 113 114 tba->tba_busname = "tc"; 115 tba->tba_memt = 0; 116 tba->tba_intr_evcnt = tc_ds_intr_evcnt; 117 tba->tba_intr_establish = tc_ds_intr_establish; 118 tba->tba_intr_disestablish = tc_ds_intr_disestablish; 119 tba->tba_get_dma_tag = tc_ds_get_dma_tag; 120 121 /* XXX why not config_found(9)? */ 122 tcattach(parent, self, tba); 123 } 124 125 /* 126 * Dispatch to model specific interrupt line evcnt fetch rontine 127 */ 128 static const struct evcnt * 129 tc_ds_intr_evcnt(device_t dev, void *cookie) 130 { 131 132 /* XXX for now, no evcnt parent reported */ 133 return NULL; 134 } 135 136 /* 137 * Dispatch to model specific interrupt establishing routine 138 */ 139 static void 140 tc_ds_intr_establish(device_t dev, void *cookie, int level, 141 int (*handler)(void *), void *val) 142 { 143 144 (*platform.intr_establish)(dev, cookie, level, handler, val); 145 } 146 147 static void 148 tc_ds_intr_disestablish(device_t dev, void *arg) 149 { 150 151 printf("cannot disestablish TC interrupts\n"); 152 } 153 154 /* 155 * Return the DMA tag for use by the specified TURBOchannel slot. 156 */ 157 static bus_dma_tag_t 158 tc_ds_get_dma_tag(int slot) 159 { 160 /* 161 * All DECstations use the default DMA tag. 162 */ 163 return (&pmax_default_bus_dma_tag); 164 } 165 166 #include "wsdisplay.h" 167 168 #if NWSDISPLAY > 0 169 170 #include "sfb.h" 171 /* #include "sfbp.h" */ 172 #include "cfb.h" 173 #include "mfb.h" 174 #include "tfb.h" 175 #include "xcfb.h" 176 #include "px.h" 177 #include "pxg.h" 178 179 #include <pmax/pmax/cons.h> 180 #include <machine/dec_prom.h> 181 182 int tc_checkslot(tc_addr_t, char *); 183 184 struct cnboards { 185 const char *cb_tcname; 186 void (*cb_cnattach)(tc_addr_t); 187 } static const cnboards[] = { 188 #if NXCFB > 0 189 { "PMAG-DV ", xcfb_cnattach }, 190 #endif 191 #if NSFB > 0 192 { "PMAGB-BA", sfb_cnattach }, 193 #endif 194 #if NSFBP > 0 195 { "PMAGD ", sfbp_cnattach }, 196 #endif 197 #if NCFB > 0 198 { "PMAG-BA ", cfb_cnattach }, 199 #endif 200 #if NMFB > 0 201 { "PMAG-AA ", mfb_cnattach }, 202 #endif 203 #if NTFB > 0 204 { "PMAG-JA ", tfb_cnattach }, 205 #endif 206 #if NPX > 0 207 { "PMAG-CA ", px_cnattach }, 208 #endif 209 #if NPXG > 0 210 { "PMAG-DA ", pxg_cnattach }, 211 { "PMAG-FA ", pxg_cnattach }, 212 { "PMAG-FB ", pxg_cnattach }, 213 { "PMAGB-FA", pxg_cnattach }, 214 { "PMAGB-FB", pxg_cnattach }, 215 #endif 216 }; 217 218 int 219 tcfb_cnattach(int slotno) 220 { 221 paddr_t tcaddr; 222 char tcname[TC_ROM_LLEN]; 223 int i; 224 225 tcaddr = promcall(callv->_slot_address, slotno); 226 if (tc_badaddr(tcaddr) || tc_checkslot(tcaddr, tcname) == 0) 227 panic("TC console designated by PROM does not exist!?"); 228 229 for (i = 0; i < __arraycount(cnboards); i++) { 230 if (strncmp(tcname, cnboards[i].cb_tcname, TC_ROM_LLEN) == 0) 231 break; 232 } 233 234 if (i == __arraycount(cnboards)) 235 return (0); 236 237 (cnboards[i].cb_cnattach)((tc_addr_t)TC_PHYS_TO_UNCACHED(tcaddr)); 238 return (1); 239 } 240 241 #endif /* NWSDISPLAY */ 242