1 /* $NetBSD: atapiconf.c,v 1.87 2014/03/05 08:45:13 skrll 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 1.87 2014/03/05 08:45:13 skrll 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 (SCSIPI_BUSTYPE_TYPE(chan->chan_bustype->bustype_type) != 121 SCSIPI_BUSTYPE_ATAPI) 122 return (0); 123 124 return (1); 125 } 126 127 static int 128 atapibussubmatch(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 129 { 130 struct scsipibus_attach_args *sa = aux; 131 struct scsipi_periph *periph = sa->sa_periph; 132 133 if (cf->cf_loc[ATAPIBUSCF_DRIVE] != ATAPIBUSCF_DRIVE_DEFAULT && 134 cf->cf_loc[ATAPIBUSCF_DRIVE] != periph->periph_target) 135 return (0); 136 return (config_match(parent, cf, aux)); 137 } 138 139 static void 140 atapibusattach(device_t parent, device_t self, void *aux) 141 { 142 struct atapibus_softc *sc = device_private(self); 143 struct scsipi_channel *chan = aux; 144 145 sc->sc_channel = chan; 146 sc->sc_dev = self; 147 148 chan->chan_name = device_xname(sc->sc_dev); 149 150 /* ATAPI has no LUNs. */ 151 chan->chan_nluns = 1; 152 aprint_naive("\n"); 153 aprint_normal(": %d targets\n", chan->chan_ntargets); 154 155 /* Initialize the channel. */ 156 chan->chan_init_cb = NULL; 157 chan->chan_init_cb_arg = NULL; 158 scsipi_channel_init(chan); 159 160 if (!pmf_device_register(self, NULL, NULL)) 161 aprint_error_dev(self, "couldn't establish power handler\n"); 162 163 /* Probe the bus for devices. */ 164 atapi_probe_bus(sc, -1); 165 } 166 167 static void 168 atapibuschilddet(device_t self, device_t child) 169 { 170 struct atapibus_softc *sc = device_private(self); 171 struct scsipi_channel *chan = sc->sc_channel; 172 struct scsipi_periph *periph; 173 int target; 174 175 /* XXXSMP scsipi */ 176 KERNEL_LOCK(1, curlwp); 177 178 for (target = 0; target < chan->chan_ntargets; target++) { 179 periph = scsipi_lookup_periph(chan, target, 0); 180 if (periph == NULL || periph->periph_dev != child) 181 continue; 182 scsipi_remove_periph(chan, periph); 183 free(periph, M_DEVBUF); 184 break; 185 } 186 187 /* XXXSMP scsipi */ 188 KERNEL_UNLOCK_ONE(curlwp); 189 } 190 191 static int 192 atapibusdetach(device_t self, int flags) 193 { 194 struct atapibus_softc *sc = device_private(self); 195 struct scsipi_channel *chan = sc->sc_channel; 196 struct scsipi_periph *periph; 197 int target, error = 0; 198 199 /* 200 * Shut down the channel. 201 */ 202 scsipi_channel_shutdown(chan); 203 204 /* XXXSMP scsipi */ 205 KERNEL_LOCK(1, curlwp); 206 207 /* 208 * Now detach all of the periphs. 209 */ 210 for (target = 0; target < chan->chan_ntargets; target++) { 211 periph = scsipi_lookup_periph(chan, target, 0); 212 if (periph == NULL) 213 continue; 214 error = config_detach(periph->periph_dev, flags); 215 if (error) 216 goto out; 217 KASSERT(scsipi_lookup_periph(chan, target, 0) == NULL); 218 } 219 220 out: 221 /* XXXSMP scsipi */ 222 KERNEL_UNLOCK_ONE(curlwp); 223 return error; 224 } 225 226 static int 227 atapi_probe_bus(struct atapibus_softc *sc, int target) 228 { 229 struct scsipi_channel *chan = sc->sc_channel; 230 int maxtarget, mintarget; 231 int error; 232 struct atapi_adapter *atapi_adapter; 233 234 KASSERT(chan->chan_ntargets >= 1); 235 236 if (target == -1) { 237 maxtarget = chan->chan_ntargets - 1; 238 mintarget = 0; 239 } else { 240 if (target < 0 || target >= chan->chan_ntargets) 241 return (ENXIO); 242 maxtarget = mintarget = target; 243 } 244 245 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0) 246 return (error); 247 atapi_adapter = (struct atapi_adapter*)chan->chan_adapter; 248 for (target = mintarget; target <= maxtarget; target++) 249 atapi_adapter->atapi_probe_device(sc, target); 250 scsipi_adapter_delref(chan->chan_adapter); 251 return (0); 252 } 253 254 void * 255 atapi_probe_device(struct atapibus_softc *sc, int target, 256 struct scsipi_periph *periph, struct scsipibus_attach_args *sa) 257 { 258 struct scsipi_channel *chan = sc->sc_channel; 259 const struct scsi_quirk_inquiry_pattern *finger; 260 cfdata_t cf; 261 int priority, quirks; 262 263 finger = scsipi_inqmatch( 264 &sa->sa_inqbuf, (const void *)atapi_quirk_patterns, 265 sizeof(atapi_quirk_patterns) / 266 sizeof(atapi_quirk_patterns[0]), 267 sizeof(atapi_quirk_patterns[0]), &priority); 268 269 if (finger != NULL) 270 quirks = finger->quirks; 271 else 272 quirks = 0; 273 274 /* 275 * Now apply any quirks from the table. 276 */ 277 periph->periph_quirks |= quirks; 278 279 if ((cf = config_search_ia(atapibussubmatch, sc->sc_dev, 280 "atapibus", sa)) != 0) { 281 scsipi_insert_periph(chan, periph); 282 /* 283 * XXX Can't assign periph_dev here, because we'll 284 * XXX need it before config_attach() returns. Must 285 * XXX assign it in periph driver. 286 */ 287 return config_attach(sc->sc_dev, cf, sa, 288 atapibusprint); 289 } else { 290 atapibusprint(sa, device_xname(sc->sc_dev)); 291 printf(" not configured\n"); 292 free(periph, M_DEVBUF); 293 return NULL; 294 } 295 } 296 297 static int 298 atapibusprint(void *aux, const char *pnp) 299 { 300 struct scsipibus_attach_args *sa = aux; 301 struct scsipi_inquiry_pattern *inqbuf; 302 const char *dtype; 303 304 if (pnp != NULL) 305 aprint_normal("%s", pnp); 306 307 inqbuf = &sa->sa_inqbuf; 308 309 dtype = scsipi_dtype(inqbuf->type & SID_TYPE); 310 aprint_normal(" drive %d: <%s, %s, %s> %s %s", 311 sa->sa_periph->periph_target, inqbuf->vendor, 312 inqbuf->product, inqbuf->revision, dtype, 313 inqbuf->removable ? "removable" : "fixed"); 314 return (UNCONF); 315 } 316