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atapiconf.c revision 1.74
      1 /*	$NetBSD: atapiconf.c,v 1.74 2007/12/09 20:28:22 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 1.74 2007/12/09 20:28:22 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 	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(struct device *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 int
    203 atapibusdetach(struct device *self, int flags)
    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, error;
    209 
    210 	/*
    211 	 * Shut down the channel.
    212 	 */
    213 	scsipi_channel_shutdown(chan);
    214 
    215 	/*
    216 	 * Now detach all of the periphs.
    217 	 */
    218 	for (target = 0; target < chan->chan_ntargets; target++) {
    219 		periph = scsipi_lookup_periph(chan, target, 0);
    220 		if (periph == NULL)
    221 			continue;
    222 		error = config_detach(periph->periph_dev, flags);
    223 		if (error)
    224 			return (error);
    225 
    226 		scsipi_remove_periph(chan, periph);
    227 		free(periph, M_DEVBUF);
    228 	}
    229 	return (0);
    230 }
    231 
    232 static int
    233 atapi_probe_bus(struct atapibus_softc *sc, int target)
    234 {
    235 	struct scsipi_channel *chan = sc->sc_channel;
    236 	int maxtarget, mintarget;
    237 	int error;
    238 	struct atapi_adapter *atapi_adapter;
    239 
    240 	if (target == -1) {
    241 		maxtarget = 1;
    242 		mintarget = 0;
    243 	} else {
    244 		if (target < 0 || target >= chan->chan_ntargets)
    245 			return (ENXIO);
    246 		maxtarget = mintarget = target;
    247 	}
    248 
    249 	if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0)
    250 		return (error);
    251 	atapi_adapter = (struct atapi_adapter*)chan->chan_adapter;
    252 	for (target = mintarget; target <= maxtarget; target++)
    253 		atapi_adapter->atapi_probe_device(sc, target);
    254 	scsipi_adapter_delref(chan->chan_adapter);
    255 	return (0);
    256 }
    257 
    258 void *
    259 atapi_probe_device(struct atapibus_softc *sc, int target,
    260     struct scsipi_periph *periph, struct scsipibus_attach_args *sa)
    261 {
    262 	struct scsipi_channel *chan = sc->sc_channel;
    263 	const struct scsi_quirk_inquiry_pattern *finger;
    264 	struct cfdata *cf;
    265 	int priority, quirks;
    266 
    267 	finger = scsipi_inqmatch(
    268 	    &sa->sa_inqbuf, (const void *)atapi_quirk_patterns,
    269 	    sizeof(atapi_quirk_patterns) /
    270 	        sizeof(atapi_quirk_patterns[0]),
    271 	    sizeof(atapi_quirk_patterns[0]), &priority);
    272 
    273 	if (finger != NULL)
    274 		quirks = finger->quirks;
    275 	else
    276 		quirks = 0;
    277 
    278 	/*
    279 	 * Now apply any quirks from the table.
    280 	 */
    281 	periph->periph_quirks |= quirks;
    282 
    283 	if ((cf = config_search_ia(atapibussubmatch, &sc->sc_dev,
    284 	    "atapibus", sa)) != 0) {
    285 		scsipi_insert_periph(chan, periph);
    286 		/*
    287 		 * XXX Can't assign periph_dev here, because we'll
    288 		 * XXX need it before config_attach() returns.  Must
    289 		 * XXX assign it in periph driver.
    290 		 */
    291 		return config_attach(&sc->sc_dev, cf, sa,
    292 		    atapibusprint);
    293 	} else {
    294 		atapibusprint(sa, sc->sc_dev.dv_xname);
    295 		printf(" not configured\n");
    296 		free(periph, M_DEVBUF);
    297 		return NULL;
    298 	}
    299 }
    300 
    301 static int
    302 atapibusprint(void *aux, const char *pnp)
    303 {
    304 	struct scsipibus_attach_args *sa = aux;
    305 	struct scsipi_inquiry_pattern *inqbuf;
    306 	const char *dtype;
    307 
    308 	if (pnp != NULL)
    309 		aprint_normal("%s", pnp);
    310 
    311 	inqbuf = &sa->sa_inqbuf;
    312 
    313 	dtype = scsipi_dtype(inqbuf->type & SID_TYPE);
    314 	aprint_normal(" drive %d: <%s, %s, %s> %s %s",
    315 	    sa->sa_periph->periph_target, inqbuf->vendor,
    316 	    inqbuf->product, inqbuf->revision, dtype,
    317 	    inqbuf->removable ? "removable" : "fixed");
    318 	return (UNCONF);
    319 }
    320