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atapiconf.c revision 1.64
      1 /*	$NetBSD: atapiconf.c,v 1.64 2004/08/21 17:40:25 thorpej 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 1.64 2004/08/21 17:40:25 thorpej 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 *, void *);
     65 
     66 static int	atapi_probe_bus(struct atapibus_softc *, int);
     67 
     68 static int	atapibusprint(void *, const char *);
     69 
     70 CFATTACH_DECL(atapibus, sizeof(struct atapibus_softc),
     71     atapibusmatch, atapibusattach, atapibusdetach, atapibusactivate);
     72 
     73 extern struct cfdriver atapibus_cd;
     74 
     75 static const struct scsi_quirk_inquiry_pattern atapi_quirk_patterns[] = {
     76 	{{T_CDROM, T_REMOV,
     77 	 "ALPS ELECTRIC CO.,LTD. DC544C", "", "SW03D"},	PQUIRK_NOTUR},
     78 	{{T_CDROM, T_REMOV,
     79 	 "CR-2801TE", "", "1.07"},		PQUIRK_NOSENSE},
     80 	{{T_CDROM, T_REMOV,
     81 	 "CREATIVECD3630E", "", "AC101"},	PQUIRK_NOSENSE},
     82 	{{T_CDROM, T_REMOV,
     83 	 "FX320S", "", "q01"},			PQUIRK_NOSENSE},
     84 	{{T_CDROM, T_REMOV,
     85 	 "GCD-R580B", "", "1.00"},		PQUIRK_LITTLETOC},
     86 	{{T_CDROM, T_REMOV,
     87 	 "HITACHI CDR-7730", "", "0008a"},      PQUIRK_NOSENSE},
     88 	{{T_CDROM, T_REMOV,
     89 	 "MATSHITA CR-574", "", "1.02"},	PQUIRK_NOCAPACITY},
     90 	{{T_CDROM, T_REMOV,
     91 	 "MATSHITA CR-574", "", "1.06"},	PQUIRK_NOCAPACITY},
     92 	{{T_CDROM, T_REMOV,
     93 	 "Memorex CRW-2642", "", "1.0g"},	PQUIRK_NOSENSE},
     94 	{{T_CDROM, T_REMOV,
     95 	 "NEC                 CD-ROM DRIVE:273", "", "4.21"}, PQUIRK_NOTUR},
     96 	{{T_CDROM, T_REMOV,
     97 	 "SANYO CRD-256P", "", "1.02"},		PQUIRK_NOCAPACITY},
     98 	{{T_CDROM, T_REMOV,
     99 	 "SANYO CRD-254P", "", "1.02"},		PQUIRK_NOCAPACITY},
    100 	{{T_CDROM, T_REMOV,
    101 	 "SANYO CRD-S54P", "", "1.08"},		PQUIRK_NOCAPACITY},
    102 	{{T_CDROM, T_REMOV,
    103 	 "CD-ROM  CDR-S1", "", "1.70"},		PQUIRK_NOCAPACITY}, /* Sanyo */
    104 	{{T_CDROM, T_REMOV,
    105 	 "CD-ROM  CDR-N16", "", "1.25"},	PQUIRK_NOCAPACITY}, /* Sanyo */
    106 };
    107 
    108 int
    109 atapiprint(void *aux, const char *pnp)
    110 {
    111 	if (pnp)
    112 		aprint_normal("atapibus at %s", pnp);
    113 	return (UNCONF);
    114 }
    115 
    116 static int
    117 atapibusmatch(struct device *parent, struct cfdata *cf, void *aux)
    118 {
    119 	struct scsipi_channel *chan = aux;
    120 
    121 	if (chan == NULL)
    122 		return (0);
    123 
    124 	if (chan->chan_bustype->bustype_type != SCSIPI_BUSTYPE_ATAPI)
    125 		return (0);
    126 
    127 	return (1);
    128 }
    129 
    130 static int
    131 atapibussubmatch(struct device *parent, struct cfdata *cf, void *aux)
    132 {
    133 	struct scsipibus_attach_args *sa = aux;
    134 	struct scsipi_periph *periph = sa->sa_periph;
    135 
    136 	if (cf->cf_loc[ATAPIBUSCF_DRIVE] != ATAPIBUSCF_DRIVE_DEFAULT &&
    137 	    cf->cf_loc[ATAPIBUSCF_DRIVE] != periph->periph_target)
    138 		return (0);
    139 	return (config_match(parent, cf, aux));
    140 }
    141 
    142 static void
    143 atapibusattach(struct device *parent, struct device *self, void *aux)
    144 {
    145 	struct atapibus_softc *sc = (void *) self;
    146 	struct scsipi_channel *chan = aux;
    147 
    148 	sc->sc_channel = chan;
    149 
    150 	chan->chan_name = sc->sc_dev.dv_xname;
    151 
    152 	/* ATAPI has no LUNs. */
    153 	chan->chan_nluns = 1;
    154 	printf(": %d targets\n", chan->chan_ntargets);
    155 
    156 	/* Initialize the channel. */
    157 	chan->chan_init_cb = NULL;
    158 	chan->chan_init_cb_arg = NULL;
    159 	scsipi_channel_init(chan);
    160 
    161 	/* Probe the bus for devices. */
    162 	atapi_probe_bus(sc, -1);
    163 }
    164 
    165 static int
    166 atapibusactivate(struct device *self, enum devact act)
    167 {
    168 	struct atapibus_softc *sc = (void *) self;
    169 	struct scsipi_channel *chan = sc->sc_channel;
    170 	struct scsipi_periph *periph;
    171 	int target, error = 0, s;
    172 
    173 	s = splbio();
    174 	switch (act) {
    175 	case DVACT_ACTIVATE:
    176 		error = EOPNOTSUPP;
    177 		break;
    178 
    179 	case DVACT_DEACTIVATE:
    180 		for (target = 0; target < chan->chan_ntargets; target++) {
    181 			periph = scsipi_lookup_periph(chan, target, 0);
    182 			if (periph == NULL)
    183 				continue;
    184 			error = config_deactivate(periph->periph_dev);
    185 			if (error)
    186 				goto out;
    187 		}
    188 		break;
    189 	}
    190  out:
    191 	splx(s);
    192 	return (error);
    193 }
    194 
    195 static int
    196 atapibusdetach(struct device *self, int flags)
    197 {
    198 	struct atapibus_softc *sc = (void *)self;
    199 	struct scsipi_channel *chan = sc->sc_channel;
    200 	struct scsipi_periph *periph;
    201 	int target, error;
    202 
    203 	/*
    204 	 * Shut down the channel.
    205 	 */
    206 	scsipi_channel_shutdown(chan);
    207 
    208 	/*
    209 	 * Now detach all of the periphs.
    210 	 */
    211 	for (target = 0; target < chan->chan_ntargets; target++) {
    212 		periph = scsipi_lookup_periph(chan, target, 0);
    213 		if (periph == NULL)
    214 			continue;
    215 		error = config_detach(periph->periph_dev, flags);
    216 		if (error)
    217 			return (error);
    218 
    219 		scsipi_remove_periph(chan, periph);
    220 		free(periph, M_DEVBUF);
    221 	}
    222 	return (0);
    223 }
    224 
    225 static int
    226 atapi_probe_bus(struct atapibus_softc *sc, int target)
    227 {
    228 	struct scsipi_channel *chan = sc->sc_channel;
    229 	int maxtarget, mintarget;
    230 	int error;
    231 	struct atapi_adapter *atapi_adapter;
    232 
    233 	if (target == -1) {
    234 		maxtarget = 1;
    235 		mintarget = 0;
    236 	} else {
    237 		if (target < 0 || target >= chan->chan_ntargets)
    238 			return (ENXIO);
    239 		maxtarget = mintarget = target;
    240 	}
    241 
    242 	if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0)
    243 		return (error);
    244 	atapi_adapter = (struct atapi_adapter*)chan->chan_adapter;
    245 	for (target = mintarget; target <= maxtarget; target++)
    246 		atapi_adapter->atapi_probe_device(sc, target);
    247 	scsipi_adapter_delref(chan->chan_adapter);
    248 	return (0);
    249 }
    250 
    251 void *
    252 atapi_probe_device(struct atapibus_softc *sc, int target,
    253     struct scsipi_periph *periph, struct scsipibus_attach_args *sa)
    254 {
    255 	struct scsipi_channel *chan = sc->sc_channel;
    256 	struct scsi_quirk_inquiry_pattern *finger;
    257 	struct cfdata *cf;
    258 	int priority, quirks;
    259 
    260 	finger = (struct scsi_quirk_inquiry_pattern *)scsipi_inqmatch(
    261 	    &sa->sa_inqbuf, (caddr_t)atapi_quirk_patterns,
    262 	    sizeof(atapi_quirk_patterns) /
    263 	        sizeof(atapi_quirk_patterns[0]),
    264 	    sizeof(atapi_quirk_patterns[0]), &priority);
    265 
    266 	if (finger != NULL)
    267 		quirks = finger->quirks;
    268 	else
    269 		quirks = 0;
    270 
    271 	/*
    272 	 * Now apply any quirks from the table.
    273 	 */
    274 	periph->periph_quirks |= quirks;
    275 
    276 	if ((cf = config_search(atapibussubmatch, &sc->sc_dev,
    277 	    sa)) != 0) {
    278 		scsipi_insert_periph(chan, periph);
    279 		/*
    280 		 * XXX Can't assign periph_dev here, because we'll
    281 		 * XXX need it before config_attach() returns.  Must
    282 		 * XXX assign it in periph driver.
    283 		 */
    284 		return config_attach(&sc->sc_dev, cf, sa,
    285 		    atapibusprint);
    286 	} else {
    287 		atapibusprint(sa, sc->sc_dev.dv_xname);
    288 		printf(" not configured\n");
    289 		free(periph, M_DEVBUF);
    290 		return NULL;
    291 	}
    292 }
    293 
    294 static int
    295 atapibusprint(void *aux, const char *pnp)
    296 {
    297 	struct scsipibus_attach_args *sa = aux;
    298 	struct scsipi_inquiry_pattern *inqbuf;
    299 	char *dtype;
    300 
    301 	if (pnp != NULL)
    302 		aprint_normal("%s", pnp);
    303 
    304 	inqbuf = &sa->sa_inqbuf;
    305 
    306 	dtype = scsipi_dtype(inqbuf->type & SID_TYPE);
    307 	aprint_normal(" drive %d: <%s, %s, %s> %s %s",
    308 	    sa->sa_periph->periph_target, inqbuf->vendor,
    309 	    inqbuf->product, inqbuf->revision, dtype,
    310 	    inqbuf->removable ? "removable" : "fixed");
    311 	return (UNCONF);
    312 }
    313