1 /* $NetBSD: atapiconf.c,v 1.83 2010/06/07 01:41:39 pgoyette Exp $ */ 2 3 /* 4 * Copyright (c) 1996, 2001 Manuel Bouyer. 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __KERNEL_RCSID(0, "$NetBSD: atapiconf.c,v 1.83 2010/06/07 01:41:39 pgoyette Exp $"); 29 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 #include <sys/malloc.h> 33 #include <sys/device.h> 34 #include <sys/buf.h> 35 #include <sys/proc.h> 36 #include <sys/kthread.h> 37 38 #include <dev/scsipi/scsipi_all.h> 39 #include <dev/scsipi/scsipiconf.h> 40 #include <dev/scsipi/atapiconf.h> 41 42 #include "locators.h" 43 44 #define SILENT_PRINTF(flags,string) if (!(flags & A_SILENT)) printf string 45 #define MAX_TARGET 1 46 47 const struct scsipi_periphsw atapi_probe_periphsw = { 48 NULL, 49 NULL, 50 NULL, 51 NULL, 52 }; 53 54 static int atapibusmatch(device_t, cfdata_t, void *); 55 static void atapibusattach(device_t, device_t, void *); 56 static int atapibusdetach(device_t, int flags); 57 static void atapibuschilddet(device_t, device_t); 58 59 static int atapibussubmatch(device_t, cfdata_t, const int *, void *); 60 61 static int atapi_probe_bus(struct atapibus_softc *, int); 62 63 static int atapibusprint(void *, const char *); 64 65 CFATTACH_DECL3_NEW(atapibus, sizeof(struct atapibus_softc), 66 atapibusmatch, atapibusattach, atapibusdetach, NULL, NULL, 67 atapibuschilddet, DVF_DETACH_SHUTDOWN); 68 69 extern struct cfdriver atapibus_cd; 70 71 static const struct scsi_quirk_inquiry_pattern atapi_quirk_patterns[] = { 72 {{T_CDROM, T_REMOV, 73 "ALPS ELECTRIC CO.,LTD. DC544C", "", "SW03D"}, PQUIRK_NOTUR}, 74 {{T_CDROM, T_REMOV, 75 "CR-2801TE", "", "1.07"}, PQUIRK_NOSENSE}, 76 {{T_CDROM, T_REMOV, 77 "CREATIVECD3630E", "", "AC101"}, PQUIRK_NOSENSE}, 78 {{T_CDROM, T_REMOV, 79 "FX320S", "", "q01"}, PQUIRK_NOSENSE}, 80 {{T_CDROM, T_REMOV, 81 "GCD-R580B", "", "1.00"}, PQUIRK_LITTLETOC}, 82 {{T_CDROM, T_REMOV, 83 "HITACHI CDR-7730", "", "0008a"}, PQUIRK_NOSENSE}, 84 {{T_CDROM, T_REMOV, 85 "MATSHITA CR-574", "", "1.02"}, PQUIRK_NOCAPACITY}, 86 {{T_CDROM, T_REMOV, 87 "MATSHITA CR-574", "", "1.06"}, PQUIRK_NOCAPACITY}, 88 {{T_CDROM, T_REMOV, 89 "Memorex CRW-2642", "", "1.0g"}, PQUIRK_NOSENSE}, 90 {{T_CDROM, T_REMOV, 91 "NEC CD-ROM DRIVE:273", "", "4.21"}, PQUIRK_NOTUR}, 92 {{T_CDROM, T_REMOV, 93 "SANYO CRD-256P", "", "1.02"}, PQUIRK_NOCAPACITY}, 94 {{T_CDROM, T_REMOV, 95 "SANYO CRD-254P", "", "1.02"}, PQUIRK_NOCAPACITY}, 96 {{T_CDROM, T_REMOV, 97 "SANYO CRD-S54P", "", "1.08"}, PQUIRK_NOCAPACITY}, 98 {{T_CDROM, T_REMOV, 99 "CD-ROM CDR-S1", "", "1.70"}, PQUIRK_NOCAPACITY}, /* Sanyo */ 100 {{T_CDROM, T_REMOV, 101 "CD-ROM CDR-N16", "", "1.25"}, PQUIRK_NOCAPACITY}, /* Sanyo */ 102 }; 103 104 int 105 atapiprint(void *aux, const char *pnp) 106 { 107 if (pnp) 108 aprint_normal("atapibus at %s", pnp); 109 return (UNCONF); 110 } 111 112 static int 113 atapibusmatch(device_t parent, cfdata_t cf, void *aux) 114 { 115 struct scsipi_channel *chan = aux; 116 117 if (chan == NULL) 118 return (0); 119 120 if (chan->chan_bustype->bustype_type != SCSIPI_BUSTYPE_ATAPI) 121 return (0); 122 123 return (1); 124 } 125 126 static int 127 atapibussubmatch(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 128 { 129 struct scsipibus_attach_args *sa = aux; 130 struct scsipi_periph *periph = sa->sa_periph; 131 132 if (cf->cf_loc[ATAPIBUSCF_DRIVE] != ATAPIBUSCF_DRIVE_DEFAULT && 133 cf->cf_loc[ATAPIBUSCF_DRIVE] != periph->periph_target) 134 return (0); 135 return (config_match(parent, cf, aux)); 136 } 137 138 static void 139 atapibusattach(device_t parent, device_t self, void *aux) 140 { 141 struct atapibus_softc *sc = device_private(self); 142 struct scsipi_channel *chan = aux; 143 144 sc->sc_channel = chan; 145 sc->sc_dev = self; 146 147 chan->chan_name = device_xname(sc->sc_dev); 148 149 /* ATAPI has no LUNs. */ 150 chan->chan_nluns = 1; 151 aprint_naive("\n"); 152 aprint_normal(": %d targets\n", chan->chan_ntargets); 153 154 /* Initialize the channel. */ 155 chan->chan_init_cb = NULL; 156 chan->chan_init_cb_arg = NULL; 157 scsipi_channel_init(chan); 158 159 if (!pmf_device_register(self, NULL, NULL)) 160 aprint_error_dev(self, "couldn't establish power handler\n"); 161 162 /* Probe the bus for devices. */ 163 atapi_probe_bus(sc, -1); 164 } 165 166 static void 167 atapibuschilddet(device_t self, device_t child) 168 { 169 struct atapibus_softc *sc = device_private(self); 170 struct scsipi_channel *chan = sc->sc_channel; 171 struct scsipi_periph *periph; 172 int target; 173 174 for (target = 0; target < chan->chan_ntargets; target++) { 175 periph = scsipi_lookup_periph(chan, target, 0); 176 if (periph == NULL || periph->periph_dev != child) 177 continue; 178 scsipi_remove_periph(chan, periph); 179 free(periph, M_DEVBUF); 180 break; 181 } 182 } 183 184 static int 185 atapibusdetach(device_t self, int flags) 186 { 187 struct atapibus_softc *sc = device_private(self); 188 struct scsipi_channel *chan = sc->sc_channel; 189 struct scsipi_periph *periph; 190 int target, error; 191 192 /* 193 * Shut down the channel. 194 */ 195 scsipi_channel_shutdown(chan); 196 197 /* 198 * Now detach all of the periphs. 199 */ 200 for (target = 0; target < chan->chan_ntargets; target++) { 201 periph = scsipi_lookup_periph(chan, target, 0); 202 if (periph == NULL) 203 continue; 204 error = config_detach(periph->periph_dev, flags); 205 if (error) 206 return (error); 207 KASSERT(scsipi_lookup_periph(chan, target, 0) == NULL); 208 } 209 return (0); 210 } 211 212 static int 213 atapi_probe_bus(struct atapibus_softc *sc, int target) 214 { 215 struct scsipi_channel *chan = sc->sc_channel; 216 int maxtarget, mintarget; 217 int error; 218 struct atapi_adapter *atapi_adapter; 219 220 if (target == -1) { 221 maxtarget = 1; 222 mintarget = 0; 223 } else { 224 if (target < 0 || target >= chan->chan_ntargets) 225 return (ENXIO); 226 maxtarget = mintarget = target; 227 } 228 229 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0) 230 return (error); 231 atapi_adapter = (struct atapi_adapter*)chan->chan_adapter; 232 for (target = mintarget; target <= maxtarget; target++) 233 atapi_adapter->atapi_probe_device(sc, target); 234 scsipi_adapter_delref(chan->chan_adapter); 235 return (0); 236 } 237 238 void * 239 atapi_probe_device(struct atapibus_softc *sc, int target, 240 struct scsipi_periph *periph, struct scsipibus_attach_args *sa) 241 { 242 struct scsipi_channel *chan = sc->sc_channel; 243 const struct scsi_quirk_inquiry_pattern *finger; 244 cfdata_t cf; 245 int priority, quirks; 246 247 finger = scsipi_inqmatch( 248 &sa->sa_inqbuf, (const void *)atapi_quirk_patterns, 249 sizeof(atapi_quirk_patterns) / 250 sizeof(atapi_quirk_patterns[0]), 251 sizeof(atapi_quirk_patterns[0]), &priority); 252 253 if (finger != NULL) 254 quirks = finger->quirks; 255 else 256 quirks = 0; 257 258 /* 259 * Now apply any quirks from the table. 260 */ 261 periph->periph_quirks |= quirks; 262 263 if ((cf = config_search_ia(atapibussubmatch, sc->sc_dev, 264 "atapibus", sa)) != 0) { 265 scsipi_insert_periph(chan, periph); 266 /* 267 * XXX Can't assign periph_dev here, because we'll 268 * XXX need it before config_attach() returns. Must 269 * XXX assign it in periph driver. 270 */ 271 return config_attach(sc->sc_dev, cf, sa, 272 atapibusprint); 273 } else { 274 atapibusprint(sa, device_xname(sc->sc_dev)); 275 printf(" not configured\n"); 276 free(periph, M_DEVBUF); 277 return NULL; 278 } 279 } 280 281 static int 282 atapibusprint(void *aux, const char *pnp) 283 { 284 struct scsipibus_attach_args *sa = aux; 285 struct scsipi_inquiry_pattern *inqbuf; 286 const char *dtype; 287 288 if (pnp != NULL) 289 aprint_normal("%s", pnp); 290 291 inqbuf = &sa->sa_inqbuf; 292 293 dtype = scsipi_dtype(inqbuf->type & SID_TYPE); 294 aprint_normal(" drive %d: <%s, %s, %s> %s %s", 295 sa->sa_periph->periph_target, inqbuf->vendor, 296 inqbuf->product, inqbuf->revision, dtype, 297 inqbuf->removable ? "removable" : "fixed"); 298 return (UNCONF); 299 } 300