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atapiconf.c revision 1.72.22.1
      1 /*	$NetBSD: atapiconf.c,v 1.72.22.1 2007/11/12 12:09:45 joerg 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 1.72.22.1 2007/11/12 12:09:45 joerg 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 	printf(": %d targets\n", chan->chan_ntargets);
    158 
    159 	/* Initialize the channel. */
    160 	chan->chan_init_cb = NULL;
    161 	chan->chan_init_cb_arg = NULL;
    162 	scsipi_channel_init(chan);
    163 
    164 	if (!pnp_device_register(self, NULL, NULL))
    165 		aprint_error_dev(self, "couldn't establish power handler\n");
    166 
    167 	/* Probe the bus for devices. */
    168 	atapi_probe_bus(sc, -1);
    169 }
    170 
    171 static int
    172 atapibusactivate(struct device *self, enum devact act)
    173 {
    174 	struct atapibus_softc *sc = device_private(self);
    175 	struct scsipi_channel *chan = sc->sc_channel;
    176 	struct scsipi_periph *periph;
    177 	int target, error = 0, s;
    178 
    179 	s = splbio();
    180 	switch (act) {
    181 	case DVACT_ACTIVATE:
    182 		error = EOPNOTSUPP;
    183 		break;
    184 
    185 	case DVACT_DEACTIVATE:
    186 		for (target = 0; target < chan->chan_ntargets; target++) {
    187 			periph = scsipi_lookup_periph(chan, target, 0);
    188 			if (periph == NULL)
    189 				continue;
    190 			error = config_deactivate(periph->periph_dev);
    191 			if (error)
    192 				goto out;
    193 		}
    194 		break;
    195 	}
    196  out:
    197 	splx(s);
    198 	return (error);
    199 }
    200 
    201 static int
    202 atapibusdetach(struct device *self, int flags)
    203 {
    204 	struct atapibus_softc *sc = device_private(self);
    205 	struct scsipi_channel *chan = sc->sc_channel;
    206 	struct scsipi_periph *periph;
    207 	int target, error;
    208 
    209 	/*
    210 	 * Shut down the channel.
    211 	 */
    212 	scsipi_channel_shutdown(chan);
    213 
    214 	/*
    215 	 * Now detach all of the periphs.
    216 	 */
    217 	for (target = 0; target < chan->chan_ntargets; target++) {
    218 		periph = scsipi_lookup_periph(chan, target, 0);
    219 		if (periph == NULL)
    220 			continue;
    221 		error = config_detach(periph->periph_dev, flags);
    222 		if (error)
    223 			return (error);
    224 
    225 		scsipi_remove_periph(chan, periph);
    226 		free(periph, M_DEVBUF);
    227 	}
    228 	return (0);
    229 }
    230 
    231 static int
    232 atapi_probe_bus(struct atapibus_softc *sc, int target)
    233 {
    234 	struct scsipi_channel *chan = sc->sc_channel;
    235 	int maxtarget, mintarget;
    236 	int error;
    237 	struct atapi_adapter *atapi_adapter;
    238 
    239 	if (target == -1) {
    240 		maxtarget = 1;
    241 		mintarget = 0;
    242 	} else {
    243 		if (target < 0 || target >= chan->chan_ntargets)
    244 			return (ENXIO);
    245 		maxtarget = mintarget = target;
    246 	}
    247 
    248 	if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0)
    249 		return (error);
    250 	atapi_adapter = (struct atapi_adapter*)chan->chan_adapter;
    251 	for (target = mintarget; target <= maxtarget; target++)
    252 		atapi_adapter->atapi_probe_device(sc, target);
    253 	scsipi_adapter_delref(chan->chan_adapter);
    254 	return (0);
    255 }
    256 
    257 void *
    258 atapi_probe_device(struct atapibus_softc *sc, int target,
    259     struct scsipi_periph *periph, struct scsipibus_attach_args *sa)
    260 {
    261 	struct scsipi_channel *chan = sc->sc_channel;
    262 	const struct scsi_quirk_inquiry_pattern *finger;
    263 	struct cfdata *cf;
    264 	int priority, quirks;
    265 
    266 	finger = scsipi_inqmatch(
    267 	    &sa->sa_inqbuf, (const void *)atapi_quirk_patterns,
    268 	    sizeof(atapi_quirk_patterns) /
    269 	        sizeof(atapi_quirk_patterns[0]),
    270 	    sizeof(atapi_quirk_patterns[0]), &priority);
    271 
    272 	if (finger != NULL)
    273 		quirks = finger->quirks;
    274 	else
    275 		quirks = 0;
    276 
    277 	/*
    278 	 * Now apply any quirks from the table.
    279 	 */
    280 	periph->periph_quirks |= quirks;
    281 
    282 	if ((cf = config_search_ia(atapibussubmatch, &sc->sc_dev,
    283 	    "atapibus", sa)) != 0) {
    284 		scsipi_insert_periph(chan, periph);
    285 		/*
    286 		 * XXX Can't assign periph_dev here, because we'll
    287 		 * XXX need it before config_attach() returns.  Must
    288 		 * XXX assign it in periph driver.
    289 		 */
    290 		return config_attach(&sc->sc_dev, cf, sa,
    291 		    atapibusprint);
    292 	} else {
    293 		atapibusprint(sa, sc->sc_dev.dv_xname);
    294 		printf(" not configured\n");
    295 		free(periph, M_DEVBUF);
    296 		return NULL;
    297 	}
    298 }
    299 
    300 static int
    301 atapibusprint(void *aux, const char *pnp)
    302 {
    303 	struct scsipibus_attach_args *sa = aux;
    304 	struct scsipi_inquiry_pattern *inqbuf;
    305 	const char *dtype;
    306 
    307 	if (pnp != NULL)
    308 		aprint_normal("%s", pnp);
    309 
    310 	inqbuf = &sa->sa_inqbuf;
    311 
    312 	dtype = scsipi_dtype(inqbuf->type & SID_TYPE);
    313 	aprint_normal(" drive %d: <%s, %s, %s> %s %s",
    314 	    sa->sa_periph->periph_target, inqbuf->vendor,
    315 	    inqbuf->product, inqbuf->revision, dtype,
    316 	    inqbuf->removable ? "removable" : "fixed");
    317 	return (UNCONF);
    318 }
    319