1 /* $NetBSD: atapiconf.c,v 1.75 2008/01/29 17:26:57 dyoung 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 1.75 2008/01/29 17:26:57 dyoung 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, struct cfdata *, 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, struct cfdata *, 66 const int *, void *); 67 68 static int atapi_probe_bus(struct atapibus_softc *, int); 69 70 static int atapibusprint(void *, const char *); 71 72 CFATTACH_DECL2(atapibus, sizeof(struct atapibus_softc), 73 atapibusmatch, atapibusattach, atapibusdetach, atapibusactivate, NULL, 74 atapibuschilddet); 75 76 extern struct cfdriver atapibus_cd; 77 78 static const struct scsi_quirk_inquiry_pattern atapi_quirk_patterns[] = { 79 {{T_CDROM, T_REMOV, 80 "ALPS ELECTRIC CO.,LTD. DC544C", "", "SW03D"}, PQUIRK_NOTUR}, 81 {{T_CDROM, T_REMOV, 82 "CR-2801TE", "", "1.07"}, PQUIRK_NOSENSE}, 83 {{T_CDROM, T_REMOV, 84 "CREATIVECD3630E", "", "AC101"}, PQUIRK_NOSENSE}, 85 {{T_CDROM, T_REMOV, 86 "FX320S", "", "q01"}, PQUIRK_NOSENSE}, 87 {{T_CDROM, T_REMOV, 88 "GCD-R580B", "", "1.00"}, PQUIRK_LITTLETOC}, 89 {{T_CDROM, T_REMOV, 90 "HITACHI CDR-7730", "", "0008a"}, PQUIRK_NOSENSE}, 91 {{T_CDROM, T_REMOV, 92 "MATSHITA CR-574", "", "1.02"}, PQUIRK_NOCAPACITY}, 93 {{T_CDROM, T_REMOV, 94 "MATSHITA CR-574", "", "1.06"}, PQUIRK_NOCAPACITY}, 95 {{T_CDROM, T_REMOV, 96 "Memorex CRW-2642", "", "1.0g"}, PQUIRK_NOSENSE}, 97 {{T_CDROM, T_REMOV, 98 "NEC CD-ROM DRIVE:273", "", "4.21"}, PQUIRK_NOTUR}, 99 {{T_CDROM, T_REMOV, 100 "SANYO CRD-256P", "", "1.02"}, PQUIRK_NOCAPACITY}, 101 {{T_CDROM, T_REMOV, 102 "SANYO CRD-254P", "", "1.02"}, PQUIRK_NOCAPACITY}, 103 {{T_CDROM, T_REMOV, 104 "SANYO CRD-S54P", "", "1.08"}, PQUIRK_NOCAPACITY}, 105 {{T_CDROM, T_REMOV, 106 "CD-ROM CDR-S1", "", "1.70"}, PQUIRK_NOCAPACITY}, /* Sanyo */ 107 {{T_CDROM, T_REMOV, 108 "CD-ROM CDR-N16", "", "1.25"}, PQUIRK_NOCAPACITY}, /* Sanyo */ 109 }; 110 111 int 112 atapiprint(void *aux, const char *pnp) 113 { 114 if (pnp) 115 aprint_normal("atapibus at %s", pnp); 116 return (UNCONF); 117 } 118 119 static int 120 atapibusmatch(device_t parent, struct cfdata *cf, void *aux) 121 { 122 struct scsipi_channel *chan = aux; 123 124 if (chan == NULL) 125 return (0); 126 127 if (chan->chan_bustype->bustype_type != SCSIPI_BUSTYPE_ATAPI) 128 return (0); 129 130 return (1); 131 } 132 133 static int 134 atapibussubmatch(device_t parent, struct cfdata *cf, 135 const int *ldesc, void *aux) 136 { 137 struct scsipibus_attach_args *sa = aux; 138 struct scsipi_periph *periph = sa->sa_periph; 139 140 if (cf->cf_loc[ATAPIBUSCF_DRIVE] != ATAPIBUSCF_DRIVE_DEFAULT && 141 cf->cf_loc[ATAPIBUSCF_DRIVE] != periph->periph_target) 142 return (0); 143 return (config_match(parent, cf, aux)); 144 } 145 146 static void 147 atapibusattach(device_t parent, device_t self, void *aux) 148 { 149 struct atapibus_softc *sc = device_private(self); 150 struct scsipi_channel *chan = aux; 151 152 sc->sc_channel = chan; 153 154 chan->chan_name = sc->sc_dev.dv_xname; 155 156 /* ATAPI has no LUNs. */ 157 chan->chan_nluns = 1; 158 aprint_naive("\n"); 159 aprint_normal(": %d targets\n", chan->chan_ntargets); 160 161 /* Initialize the channel. */ 162 chan->chan_init_cb = NULL; 163 chan->chan_init_cb_arg = NULL; 164 scsipi_channel_init(chan); 165 166 if (!pmf_device_register(self, NULL, NULL)) 167 aprint_error_dev(self, "couldn't establish power handler\n"); 168 169 /* Probe the bus for devices. */ 170 atapi_probe_bus(sc, -1); 171 } 172 173 static int 174 atapibusactivate(device_t self, enum devact act) 175 { 176 struct atapibus_softc *sc = device_private(self); 177 struct scsipi_channel *chan = sc->sc_channel; 178 struct scsipi_periph *periph; 179 int target, error = 0, s; 180 181 s = splbio(); 182 switch (act) { 183 case DVACT_ACTIVATE: 184 error = EOPNOTSUPP; 185 break; 186 187 case DVACT_DEACTIVATE: 188 for (target = 0; target < chan->chan_ntargets; target++) { 189 periph = scsipi_lookup_periph(chan, target, 0); 190 if (periph == NULL) 191 continue; 192 error = config_deactivate(periph->periph_dev); 193 if (error) 194 goto out; 195 } 196 break; 197 } 198 out: 199 splx(s); 200 return (error); 201 } 202 203 static void 204 atapibuschilddet(device_t self, device_t child) 205 { 206 struct atapibus_softc *sc = device_private(self); 207 struct scsipi_channel *chan = sc->sc_channel; 208 struct scsipi_periph *periph; 209 int target; 210 211 for (target = 0; target < chan->chan_ntargets; target++) { 212 periph = scsipi_lookup_periph(chan, target, 0); 213 if (periph == NULL || periph->periph_dev != child) 214 continue; 215 scsipi_remove_periph(chan, periph); 216 free(periph, M_DEVBUF); 217 break; 218 } 219 } 220 221 static int 222 atapibusdetach(device_t self, int flags) 223 { 224 struct atapibus_softc *sc = device_private(self); 225 struct scsipi_channel *chan = sc->sc_channel; 226 struct scsipi_periph *periph; 227 int target, error; 228 229 /* 230 * Shut down the channel. 231 */ 232 scsipi_channel_shutdown(chan); 233 234 /* 235 * Now detach all of the periphs. 236 */ 237 for (target = 0; target < chan->chan_ntargets; target++) { 238 periph = scsipi_lookup_periph(chan, target, 0); 239 if (periph == NULL) 240 continue; 241 error = config_detach(periph->periph_dev, flags); 242 if (error) 243 return (error); 244 245 scsipi_remove_periph(chan, periph); 246 free(periph, M_DEVBUF); 247 } 248 return (0); 249 } 250 251 static int 252 atapi_probe_bus(struct atapibus_softc *sc, int target) 253 { 254 struct scsipi_channel *chan = sc->sc_channel; 255 int maxtarget, mintarget; 256 int error; 257 struct atapi_adapter *atapi_adapter; 258 259 if (target == -1) { 260 maxtarget = 1; 261 mintarget = 0; 262 } else { 263 if (target < 0 || target >= chan->chan_ntargets) 264 return (ENXIO); 265 maxtarget = mintarget = target; 266 } 267 268 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0) 269 return (error); 270 atapi_adapter = (struct atapi_adapter*)chan->chan_adapter; 271 for (target = mintarget; target <= maxtarget; target++) 272 atapi_adapter->atapi_probe_device(sc, target); 273 scsipi_adapter_delref(chan->chan_adapter); 274 return (0); 275 } 276 277 void * 278 atapi_probe_device(struct atapibus_softc *sc, int target, 279 struct scsipi_periph *periph, struct scsipibus_attach_args *sa) 280 { 281 struct scsipi_channel *chan = sc->sc_channel; 282 const struct scsi_quirk_inquiry_pattern *finger; 283 struct cfdata *cf; 284 int priority, quirks; 285 286 finger = scsipi_inqmatch( 287 &sa->sa_inqbuf, (const void *)atapi_quirk_patterns, 288 sizeof(atapi_quirk_patterns) / 289 sizeof(atapi_quirk_patterns[0]), 290 sizeof(atapi_quirk_patterns[0]), &priority); 291 292 if (finger != NULL) 293 quirks = finger->quirks; 294 else 295 quirks = 0; 296 297 /* 298 * Now apply any quirks from the table. 299 */ 300 periph->periph_quirks |= quirks; 301 302 if ((cf = config_search_ia(atapibussubmatch, &sc->sc_dev, 303 "atapibus", sa)) != 0) { 304 scsipi_insert_periph(chan, periph); 305 /* 306 * XXX Can't assign periph_dev here, because we'll 307 * XXX need it before config_attach() returns. Must 308 * XXX assign it in periph driver. 309 */ 310 return config_attach(&sc->sc_dev, cf, sa, 311 atapibusprint); 312 } else { 313 atapibusprint(sa, sc->sc_dev.dv_xname); 314 printf(" not configured\n"); 315 free(periph, M_DEVBUF); 316 return NULL; 317 } 318 } 319 320 static int 321 atapibusprint(void *aux, const char *pnp) 322 { 323 struct scsipibus_attach_args *sa = aux; 324 struct scsipi_inquiry_pattern *inqbuf; 325 const char *dtype; 326 327 if (pnp != NULL) 328 aprint_normal("%s", pnp); 329 330 inqbuf = &sa->sa_inqbuf; 331 332 dtype = scsipi_dtype(inqbuf->type & SID_TYPE); 333 aprint_normal(" drive %d: <%s, %s, %s> %s %s", 334 sa->sa_periph->periph_target, inqbuf->vendor, 335 inqbuf->product, inqbuf->revision, dtype, 336 inqbuf->removable ? "removable" : "fixed"); 337 return (UNCONF); 338 } 339