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atapiconf.c revision 1.73
      1 /*	$NetBSD: atapiconf.c,v 1.73 2007/12/01 14:46:04 jmcneill 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 1.73 2007/12/01 14:46:04 jmcneill 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(struct device *, struct cfdata *, void *);
     60 static void	atapibusattach(struct device *, struct device *, void *);
     61 static int	atapibusactivate(struct device *, enum devact);
     62 static int	atapibusdetach(struct device *, int flags);
     63 
     64 static int	atapibussubmatch(struct device *, struct cfdata *,
     65 				 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_DECL(atapibus, sizeof(struct atapibus_softc),
     72     atapibusmatch, atapibusattach, atapibusdetach, atapibusactivate);
     73 
     74 extern struct cfdriver atapibus_cd;
     75 
     76 static const struct scsi_quirk_inquiry_pattern atapi_quirk_patterns[] = {
     77 	{{T_CDROM, T_REMOV,
     78 	 "ALPS ELECTRIC CO.,LTD. DC544C", "", "SW03D"},	PQUIRK_NOTUR},
     79 	{{T_CDROM, T_REMOV,
     80 	 "CR-2801TE", "", "1.07"},		PQUIRK_NOSENSE},
     81 	{{T_CDROM, T_REMOV,
     82 	 "CREATIVECD3630E", "", "AC101"},	PQUIRK_NOSENSE},
     83 	{{T_CDROM, T_REMOV,
     84 	 "FX320S", "", "q01"},			PQUIRK_NOSENSE},
     85 	{{T_CDROM, T_REMOV,
     86 	 "GCD-R580B", "", "1.00"},		PQUIRK_LITTLETOC},
     87 	{{T_CDROM, T_REMOV,
     88 	 "HITACHI CDR-7730", "", "0008a"},      PQUIRK_NOSENSE},
     89 	{{T_CDROM, T_REMOV,
     90 	 "MATSHITA CR-574", "", "1.02"},	PQUIRK_NOCAPACITY},
     91 	{{T_CDROM, T_REMOV,
     92 	 "MATSHITA CR-574", "", "1.06"},	PQUIRK_NOCAPACITY},
     93 	{{T_CDROM, T_REMOV,
     94 	 "Memorex CRW-2642", "", "1.0g"},	PQUIRK_NOSENSE},
     95 	{{T_CDROM, T_REMOV,
     96 	 "NEC                 CD-ROM DRIVE:273", "", "4.21"}, PQUIRK_NOTUR},
     97 	{{T_CDROM, T_REMOV,
     98 	 "SANYO CRD-256P", "", "1.02"},		PQUIRK_NOCAPACITY},
     99 	{{T_CDROM, T_REMOV,
    100 	 "SANYO CRD-254P", "", "1.02"},		PQUIRK_NOCAPACITY},
    101 	{{T_CDROM, T_REMOV,
    102 	 "SANYO CRD-S54P", "", "1.08"},		PQUIRK_NOCAPACITY},
    103 	{{T_CDROM, T_REMOV,
    104 	 "CD-ROM  CDR-S1", "", "1.70"},		PQUIRK_NOCAPACITY}, /* Sanyo */
    105 	{{T_CDROM, T_REMOV,
    106 	 "CD-ROM  CDR-N16", "", "1.25"},	PQUIRK_NOCAPACITY}, /* Sanyo */
    107 };
    108 
    109 int
    110 atapiprint(void *aux, const char *pnp)
    111 {
    112 	if (pnp)
    113 		aprint_normal("atapibus at %s", pnp);
    114 	return (UNCONF);
    115 }
    116 
    117 static int
    118 atapibusmatch(struct device *parent, struct cfdata *cf,
    119     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(struct device *parent, struct cfdata *cf,
    134     const int *ldesc, void *aux)
    135 {
    136 	struct scsipibus_attach_args *sa = aux;
    137 	struct scsipi_periph *periph = sa->sa_periph;
    138 
    139 	if (cf->cf_loc[ATAPIBUSCF_DRIVE] != ATAPIBUSCF_DRIVE_DEFAULT &&
    140 	    cf->cf_loc[ATAPIBUSCF_DRIVE] != periph->periph_target)
    141 		return (0);
    142 	return (config_match(parent, cf, aux));
    143 }
    144 
    145 static void
    146 atapibusattach(struct device *parent, struct device *self, void *aux)
    147 {
    148 	struct atapibus_softc *sc = device_private(self);
    149 	struct scsipi_channel *chan = aux;
    150 
    151 	sc->sc_channel = chan;
    152 
    153 	chan->chan_name = sc->sc_dev.dv_xname;
    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 	/* Probe the bus for devices. */
    166 	atapi_probe_bus(sc, -1);
    167 }
    168 
    169 static int
    170 atapibusactivate(struct device *self, enum devact act)
    171 {
    172 	struct atapibus_softc *sc = device_private(self);
    173 	struct scsipi_channel *chan = sc->sc_channel;
    174 	struct scsipi_periph *periph;
    175 	int target, error = 0, s;
    176 
    177 	s = splbio();
    178 	switch (act) {
    179 	case DVACT_ACTIVATE:
    180 		error = EOPNOTSUPP;
    181 		break;
    182 
    183 	case DVACT_DEACTIVATE:
    184 		for (target = 0; target < chan->chan_ntargets; target++) {
    185 			periph = scsipi_lookup_periph(chan, target, 0);
    186 			if (periph == NULL)
    187 				continue;
    188 			error = config_deactivate(periph->periph_dev);
    189 			if (error)
    190 				goto out;
    191 		}
    192 		break;
    193 	}
    194  out:
    195 	splx(s);
    196 	return (error);
    197 }
    198 
    199 static int
    200 atapibusdetach(struct device *self, int flags)
    201 {
    202 	struct atapibus_softc *sc = device_private(self);
    203 	struct scsipi_channel *chan = sc->sc_channel;
    204 	struct scsipi_periph *periph;
    205 	int target, error;
    206 
    207 	/*
    208 	 * Shut down the channel.
    209 	 */
    210 	scsipi_channel_shutdown(chan);
    211 
    212 	/*
    213 	 * Now detach all of the periphs.
    214 	 */
    215 	for (target = 0; target < chan->chan_ntargets; target++) {
    216 		periph = scsipi_lookup_periph(chan, target, 0);
    217 		if (periph == NULL)
    218 			continue;
    219 		error = config_detach(periph->periph_dev, flags);
    220 		if (error)
    221 			return (error);
    222 
    223 		scsipi_remove_periph(chan, periph);
    224 		free(periph, M_DEVBUF);
    225 	}
    226 	return (0);
    227 }
    228 
    229 static int
    230 atapi_probe_bus(struct atapibus_softc *sc, int target)
    231 {
    232 	struct scsipi_channel *chan = sc->sc_channel;
    233 	int maxtarget, mintarget;
    234 	int error;
    235 	struct atapi_adapter *atapi_adapter;
    236 
    237 	if (target == -1) {
    238 		maxtarget = 1;
    239 		mintarget = 0;
    240 	} else {
    241 		if (target < 0 || target >= chan->chan_ntargets)
    242 			return (ENXIO);
    243 		maxtarget = mintarget = target;
    244 	}
    245 
    246 	if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0)
    247 		return (error);
    248 	atapi_adapter = (struct atapi_adapter*)chan->chan_adapter;
    249 	for (target = mintarget; target <= maxtarget; target++)
    250 		atapi_adapter->atapi_probe_device(sc, target);
    251 	scsipi_adapter_delref(chan->chan_adapter);
    252 	return (0);
    253 }
    254 
    255 void *
    256 atapi_probe_device(struct atapibus_softc *sc, int target,
    257     struct scsipi_periph *periph, struct scsipibus_attach_args *sa)
    258 {
    259 	struct scsipi_channel *chan = sc->sc_channel;
    260 	const struct scsi_quirk_inquiry_pattern *finger;
    261 	struct cfdata *cf;
    262 	int priority, quirks;
    263 
    264 	finger = scsipi_inqmatch(
    265 	    &sa->sa_inqbuf, (const void *)atapi_quirk_patterns,
    266 	    sizeof(atapi_quirk_patterns) /
    267 	        sizeof(atapi_quirk_patterns[0]),
    268 	    sizeof(atapi_quirk_patterns[0]), &priority);
    269 
    270 	if (finger != NULL)
    271 		quirks = finger->quirks;
    272 	else
    273 		quirks = 0;
    274 
    275 	/*
    276 	 * Now apply any quirks from the table.
    277 	 */
    278 	periph->periph_quirks |= quirks;
    279 
    280 	if ((cf = config_search_ia(atapibussubmatch, &sc->sc_dev,
    281 	    "atapibus", sa)) != 0) {
    282 		scsipi_insert_periph(chan, periph);
    283 		/*
    284 		 * XXX Can't assign periph_dev here, because we'll
    285 		 * XXX need it before config_attach() returns.  Must
    286 		 * XXX assign it in periph driver.
    287 		 */
    288 		return config_attach(&sc->sc_dev, cf, sa,
    289 		    atapibusprint);
    290 	} else {
    291 		atapibusprint(sa, sc->sc_dev.dv_xname);
    292 		printf(" not configured\n");
    293 		free(periph, M_DEVBUF);
    294 		return NULL;
    295 	}
    296 }
    297 
    298 static int
    299 atapibusprint(void *aux, const char *pnp)
    300 {
    301 	struct scsipibus_attach_args *sa = aux;
    302 	struct scsipi_inquiry_pattern *inqbuf;
    303 	const char *dtype;
    304 
    305 	if (pnp != NULL)
    306 		aprint_normal("%s", pnp);
    307 
    308 	inqbuf = &sa->sa_inqbuf;
    309 
    310 	dtype = scsipi_dtype(inqbuf->type & SID_TYPE);
    311 	aprint_normal(" drive %d: <%s, %s, %s> %s %s",
    312 	    sa->sa_periph->periph_target, inqbuf->vendor,
    313 	    inqbuf->product, inqbuf->revision, dtype,
    314 	    inqbuf->removable ? "removable" : "fixed");
    315 	return (UNCONF);
    316 }
    317