1 /* $NetBSD: atapiconf.c,v 1.79 2009/05/12 13:20:33 cegger 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 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Manuel Bouyer. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: atapiconf.c,v 1.79 2009/05/12 13:20:33 cegger Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/malloc.h> 38 #include <sys/device.h> 39 #include <sys/buf.h> 40 #include <sys/proc.h> 41 #include <sys/kthread.h> 42 43 #include <dev/scsipi/scsipi_all.h> 44 #include <dev/scsipi/scsipiconf.h> 45 #include <dev/scsipi/atapiconf.h> 46 47 #include "locators.h" 48 49 #define SILENT_PRINTF(flags,string) if (!(flags & A_SILENT)) printf string 50 #define MAX_TARGET 1 51 52 const struct scsipi_periphsw atapi_probe_periphsw = { 53 NULL, 54 NULL, 55 NULL, 56 NULL, 57 }; 58 59 static int atapibusmatch(device_t, cfdata_t, void *); 60 static void atapibusattach(device_t, device_t, void *); 61 static int atapibusactivate(device_t, enum devact); 62 static int atapibusdetach(device_t, int flags); 63 static void atapibuschilddet(device_t, device_t); 64 65 static int atapibussubmatch(device_t, cfdata_t, const int *, void *); 66 67 static int atapi_probe_bus(struct atapibus_softc *, int); 68 69 static int atapibusprint(void *, const char *); 70 71 CFATTACH_DECL3_NEW(atapibus, sizeof(struct atapibus_softc), 72 atapibusmatch, atapibusattach, atapibusdetach, atapibusactivate, NULL, 73 atapibuschilddet, DVF_DETACH_SHUTDOWN); 74 75 extern struct cfdriver atapibus_cd; 76 77 static const struct scsi_quirk_inquiry_pattern atapi_quirk_patterns[] = { 78 {{T_CDROM, T_REMOV, 79 "ALPS ELECTRIC CO.,LTD. DC544C", "", "SW03D"}, PQUIRK_NOTUR}, 80 {{T_CDROM, T_REMOV, 81 "CR-2801TE", "", "1.07"}, PQUIRK_NOSENSE}, 82 {{T_CDROM, T_REMOV, 83 "CREATIVECD3630E", "", "AC101"}, PQUIRK_NOSENSE}, 84 {{T_CDROM, T_REMOV, 85 "FX320S", "", "q01"}, PQUIRK_NOSENSE}, 86 {{T_CDROM, T_REMOV, 87 "GCD-R580B", "", "1.00"}, PQUIRK_LITTLETOC}, 88 {{T_CDROM, T_REMOV, 89 "HITACHI CDR-7730", "", "0008a"}, PQUIRK_NOSENSE}, 90 {{T_CDROM, T_REMOV, 91 "MATSHITA CR-574", "", "1.02"}, PQUIRK_NOCAPACITY}, 92 {{T_CDROM, T_REMOV, 93 "MATSHITA CR-574", "", "1.06"}, PQUIRK_NOCAPACITY}, 94 {{T_CDROM, T_REMOV, 95 "Memorex CRW-2642", "", "1.0g"}, PQUIRK_NOSENSE}, 96 {{T_CDROM, T_REMOV, 97 "NEC CD-ROM DRIVE:273", "", "4.21"}, PQUIRK_NOTUR}, 98 {{T_CDROM, T_REMOV, 99 "SANYO CRD-256P", "", "1.02"}, PQUIRK_NOCAPACITY}, 100 {{T_CDROM, T_REMOV, 101 "SANYO CRD-254P", "", "1.02"}, PQUIRK_NOCAPACITY}, 102 {{T_CDROM, T_REMOV, 103 "SANYO CRD-S54P", "", "1.08"}, PQUIRK_NOCAPACITY}, 104 {{T_CDROM, T_REMOV, 105 "CD-ROM CDR-S1", "", "1.70"}, PQUIRK_NOCAPACITY}, /* Sanyo */ 106 {{T_CDROM, T_REMOV, 107 "CD-ROM CDR-N16", "", "1.25"}, PQUIRK_NOCAPACITY}, /* Sanyo */ 108 }; 109 110 int 111 atapiprint(void *aux, const char *pnp) 112 { 113 if (pnp) 114 aprint_normal("atapibus at %s", pnp); 115 return (UNCONF); 116 } 117 118 static int 119 atapibusmatch(device_t parent, cfdata_t cf, void *aux) 120 { 121 struct scsipi_channel *chan = aux; 122 123 if (chan == NULL) 124 return (0); 125 126 if (chan->chan_bustype->bustype_type != SCSIPI_BUSTYPE_ATAPI) 127 return (0); 128 129 return (1); 130 } 131 132 static int 133 atapibussubmatch(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 134 { 135 struct scsipibus_attach_args *sa = aux; 136 struct scsipi_periph *periph = sa->sa_periph; 137 138 if (cf->cf_loc[ATAPIBUSCF_DRIVE] != ATAPIBUSCF_DRIVE_DEFAULT && 139 cf->cf_loc[ATAPIBUSCF_DRIVE] != periph->periph_target) 140 return (0); 141 return (config_match(parent, cf, aux)); 142 } 143 144 static void 145 atapibusattach(device_t parent, device_t self, void *aux) 146 { 147 struct atapibus_softc *sc = device_private(self); 148 struct scsipi_channel *chan = aux; 149 150 sc->sc_channel = chan; 151 sc->sc_dev = self; 152 153 chan->chan_name = device_xname(sc->sc_dev); 154 155 /* ATAPI has no LUNs. */ 156 chan->chan_nluns = 1; 157 aprint_naive("\n"); 158 aprint_normal(": %d targets\n", chan->chan_ntargets); 159 160 /* Initialize the channel. */ 161 chan->chan_init_cb = NULL; 162 chan->chan_init_cb_arg = NULL; 163 scsipi_channel_init(chan); 164 165 if (!pmf_device_register(self, NULL, NULL)) 166 aprint_error_dev(self, "couldn't establish power handler\n"); 167 168 /* Probe the bus for devices. */ 169 atapi_probe_bus(sc, -1); 170 } 171 172 static int 173 atapibusactivate(device_t self, enum devact act) 174 { 175 struct atapibus_softc *sc = device_private(self); 176 struct scsipi_channel *chan = sc->sc_channel; 177 struct scsipi_periph *periph; 178 int target, error = 0, s; 179 180 s = splbio(); 181 switch (act) { 182 case DVACT_ACTIVATE: 183 error = EOPNOTSUPP; 184 break; 185 186 case DVACT_DEACTIVATE: 187 for (target = 0; target < chan->chan_ntargets; target++) { 188 periph = scsipi_lookup_periph(chan, target, 0); 189 if (periph == NULL) 190 continue; 191 error = config_deactivate(periph->periph_dev); 192 if (error) 193 goto out; 194 } 195 break; 196 } 197 out: 198 splx(s); 199 return (error); 200 } 201 202 static void 203 atapibuschilddet(device_t self, device_t child) 204 { 205 struct atapibus_softc *sc = device_private(self); 206 struct scsipi_channel *chan = sc->sc_channel; 207 struct scsipi_periph *periph; 208 int target; 209 210 for (target = 0; target < chan->chan_ntargets; target++) { 211 periph = scsipi_lookup_periph(chan, target, 0); 212 if (periph == NULL || periph->periph_dev != child) 213 continue; 214 scsipi_remove_periph(chan, periph); 215 free(periph, M_DEVBUF); 216 break; 217 } 218 } 219 220 static int 221 atapibusdetach(device_t self, int flags) 222 { 223 struct atapibus_softc *sc = device_private(self); 224 struct scsipi_channel *chan = sc->sc_channel; 225 struct scsipi_periph *periph; 226 int target, error; 227 228 /* 229 * Shut down the channel. 230 */ 231 scsipi_channel_shutdown(chan); 232 233 /* 234 * Now detach all of the periphs. 235 */ 236 for (target = 0; target < chan->chan_ntargets; target++) { 237 periph = scsipi_lookup_periph(chan, target, 0); 238 if (periph == NULL) 239 continue; 240 error = config_detach(periph->periph_dev, flags); 241 if (error) 242 return (error); 243 KASSERT(scsipi_lookup_periph(chan, target, 0) == NULL); 244 } 245 return (0); 246 } 247 248 static int 249 atapi_probe_bus(struct atapibus_softc *sc, int target) 250 { 251 struct scsipi_channel *chan = sc->sc_channel; 252 int maxtarget, mintarget; 253 int error; 254 struct atapi_adapter *atapi_adapter; 255 256 if (target == -1) { 257 maxtarget = 1; 258 mintarget = 0; 259 } else { 260 if (target < 0 || target >= chan->chan_ntargets) 261 return (ENXIO); 262 maxtarget = mintarget = target; 263 } 264 265 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0) 266 return (error); 267 atapi_adapter = (struct atapi_adapter*)chan->chan_adapter; 268 for (target = mintarget; target <= maxtarget; target++) 269 atapi_adapter->atapi_probe_device(sc, target); 270 scsipi_adapter_delref(chan->chan_adapter); 271 return (0); 272 } 273 274 void * 275 atapi_probe_device(struct atapibus_softc *sc, int target, 276 struct scsipi_periph *periph, struct scsipibus_attach_args *sa) 277 { 278 struct scsipi_channel *chan = sc->sc_channel; 279 const struct scsi_quirk_inquiry_pattern *finger; 280 cfdata_t cf; 281 int priority, quirks; 282 283 finger = scsipi_inqmatch( 284 &sa->sa_inqbuf, (const void *)atapi_quirk_patterns, 285 sizeof(atapi_quirk_patterns) / 286 sizeof(atapi_quirk_patterns[0]), 287 sizeof(atapi_quirk_patterns[0]), &priority); 288 289 if (finger != NULL) 290 quirks = finger->quirks; 291 else 292 quirks = 0; 293 294 /* 295 * Now apply any quirks from the table. 296 */ 297 periph->periph_quirks |= quirks; 298 299 if ((cf = config_search_ia(atapibussubmatch, sc->sc_dev, 300 "atapibus", sa)) != 0) { 301 scsipi_insert_periph(chan, periph); 302 /* 303 * XXX Can't assign periph_dev here, because we'll 304 * XXX need it before config_attach() returns. Must 305 * XXX assign it in periph driver. 306 */ 307 return config_attach(sc->sc_dev, cf, sa, 308 atapibusprint); 309 } else { 310 atapibusprint(sa, device_xname(sc->sc_dev)); 311 printf(" not configured\n"); 312 free(periph, M_DEVBUF); 313 return NULL; 314 } 315 } 316 317 static int 318 atapibusprint(void *aux, const char *pnp) 319 { 320 struct scsipibus_attach_args *sa = aux; 321 struct scsipi_inquiry_pattern *inqbuf; 322 const char *dtype; 323 324 if (pnp != NULL) 325 aprint_normal("%s", pnp); 326 327 inqbuf = &sa->sa_inqbuf; 328 329 dtype = scsipi_dtype(inqbuf->type & SID_TYPE); 330 aprint_normal(" drive %d: <%s, %s, %s> %s %s", 331 sa->sa_periph->periph_target, inqbuf->vendor, 332 inqbuf->product, inqbuf->revision, dtype, 333 inqbuf->removable ? "removable" : "fixed"); 334 return (UNCONF); 335 } 336