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atapiconf.c revision 1.68
      1 /*	$NetBSD: atapiconf.c,v 1.68 2005/08/26 12:42:11 drochner 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 1.68 2005/08/26 12:42:11 drochner 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, void *aux)
    119 {
    120 	struct scsipi_channel *chan = aux;
    121 
    122 	if (chan == NULL)
    123 		return (0);
    124 
    125 	if (chan->chan_bustype->bustype_type != SCSIPI_BUSTYPE_ATAPI)
    126 		return (0);
    127 
    128 	return (1);
    129 }
    130 
    131 static int
    132 atapibussubmatch(struct device *parent, struct cfdata *cf,
    133 		 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(struct device *parent, struct device *self, void *aux)
    146 {
    147 	struct atapibus_softc *sc = (void *) self;
    148 	struct scsipi_channel *chan = aux;
    149 
    150 	sc->sc_channel = chan;
    151 
    152 	chan->chan_name = sc->sc_dev.dv_xname;
    153 
    154 	/* ATAPI has no LUNs. */
    155 	chan->chan_nluns = 1;
    156 	printf(": %d targets\n", chan->chan_ntargets);
    157 
    158 	/* Initialize the channel. */
    159 	chan->chan_init_cb = NULL;
    160 	chan->chan_init_cb_arg = NULL;
    161 	scsipi_channel_init(chan);
    162 
    163 	/* Probe the bus for devices. */
    164 	atapi_probe_bus(sc, -1);
    165 }
    166 
    167 static int
    168 atapibusactivate(struct device *self, enum devact act)
    169 {
    170 	struct atapibus_softc *sc = (void *) self;
    171 	struct scsipi_channel *chan = sc->sc_channel;
    172 	struct scsipi_periph *periph;
    173 	int target, error = 0, s;
    174 
    175 	s = splbio();
    176 	switch (act) {
    177 	case DVACT_ACTIVATE:
    178 		error = EOPNOTSUPP;
    179 		break;
    180 
    181 	case DVACT_DEACTIVATE:
    182 		for (target = 0; target < chan->chan_ntargets; target++) {
    183 			periph = scsipi_lookup_periph(chan, target, 0);
    184 			if (periph == NULL)
    185 				continue;
    186 			error = config_deactivate(periph->periph_dev);
    187 			if (error)
    188 				goto out;
    189 		}
    190 		break;
    191 	}
    192  out:
    193 	splx(s);
    194 	return (error);
    195 }
    196 
    197 static int
    198 atapibusdetach(struct device *self, int flags)
    199 {
    200 	struct atapibus_softc *sc = (void *)self;
    201 	struct scsipi_channel *chan = sc->sc_channel;
    202 	struct scsipi_periph *periph;
    203 	int target, error;
    204 
    205 	/*
    206 	 * Shut down the channel.
    207 	 */
    208 	scsipi_channel_shutdown(chan);
    209 
    210 	/*
    211 	 * Now detach all of the periphs.
    212 	 */
    213 	for (target = 0; target < chan->chan_ntargets; target++) {
    214 		periph = scsipi_lookup_periph(chan, target, 0);
    215 		if (periph == NULL)
    216 			continue;
    217 		error = config_detach(periph->periph_dev, flags);
    218 		if (error)
    219 			return (error);
    220 
    221 		scsipi_remove_periph(chan, periph);
    222 		free(periph, M_DEVBUF);
    223 	}
    224 	return (0);
    225 }
    226 
    227 static int
    228 atapi_probe_bus(struct atapibus_softc *sc, int target)
    229 {
    230 	struct scsipi_channel *chan = sc->sc_channel;
    231 	int maxtarget, mintarget;
    232 	int error;
    233 	struct atapi_adapter *atapi_adapter;
    234 
    235 	if (target == -1) {
    236 		maxtarget = 1;
    237 		mintarget = 0;
    238 	} else {
    239 		if (target < 0 || target >= chan->chan_ntargets)
    240 			return (ENXIO);
    241 		maxtarget = mintarget = target;
    242 	}
    243 
    244 	if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0)
    245 		return (error);
    246 	atapi_adapter = (struct atapi_adapter*)chan->chan_adapter;
    247 	for (target = mintarget; target <= maxtarget; target++)
    248 		atapi_adapter->atapi_probe_device(sc, target);
    249 	scsipi_adapter_delref(chan->chan_adapter);
    250 	return (0);
    251 }
    252 
    253 void *
    254 atapi_probe_device(struct atapibus_softc *sc, int target,
    255     struct scsipi_periph *periph, struct scsipibus_attach_args *sa)
    256 {
    257 	struct scsipi_channel *chan = sc->sc_channel;
    258 	const struct scsi_quirk_inquiry_pattern *finger;
    259 	struct cfdata *cf;
    260 	int priority, quirks;
    261 
    262 	finger = scsipi_inqmatch(
    263 	    &sa->sa_inqbuf, (const void *)atapi_quirk_patterns,
    264 	    sizeof(atapi_quirk_patterns) /
    265 	        sizeof(atapi_quirk_patterns[0]),
    266 	    sizeof(atapi_quirk_patterns[0]), &priority);
    267 
    268 	if (finger != NULL)
    269 		quirks = finger->quirks;
    270 	else
    271 		quirks = 0;
    272 
    273 	/*
    274 	 * Now apply any quirks from the table.
    275 	 */
    276 	periph->periph_quirks |= quirks;
    277 
    278 	if ((cf = config_search_ia(atapibussubmatch, &sc->sc_dev,
    279 	    "atapibus", sa)) != 0) {
    280 		scsipi_insert_periph(chan, periph);
    281 		/*
    282 		 * XXX Can't assign periph_dev here, because we'll
    283 		 * XXX need it before config_attach() returns.  Must
    284 		 * XXX assign it in periph driver.
    285 		 */
    286 		return config_attach(&sc->sc_dev, cf, sa,
    287 		    atapibusprint);
    288 	} else {
    289 		atapibusprint(sa, sc->sc_dev.dv_xname);
    290 		printf(" not configured\n");
    291 		free(periph, M_DEVBUF);
    292 		return NULL;
    293 	}
    294 }
    295 
    296 static int
    297 atapibusprint(void *aux, const char *pnp)
    298 {
    299 	struct scsipibus_attach_args *sa = aux;
    300 	struct scsipi_inquiry_pattern *inqbuf;
    301 	const char *dtype;
    302 
    303 	if (pnp != NULL)
    304 		aprint_normal("%s", pnp);
    305 
    306 	inqbuf = &sa->sa_inqbuf;
    307 
    308 	dtype = scsipi_dtype(inqbuf->type & SID_TYPE);
    309 	aprint_normal(" drive %d: <%s, %s, %s> %s %s",
    310 	    sa->sa_periph->periph_target, inqbuf->vendor,
    311 	    inqbuf->product, inqbuf->revision, dtype,
    312 	    inqbuf->removable ? "removable" : "fixed");
    313 	return (UNCONF);
    314 }
    315