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atapiconf.c revision 1.75
      1 /*	$NetBSD: atapiconf.c,v 1.75 2008/01/29 17:26:57 dyoung 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 1.75 2008/01/29 17:26:57 dyoung 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(device_t, struct cfdata *, void *);
     60 static void	atapibusattach(device_t, device_t, void *);
     61 static int	atapibusactivate(device_t, enum devact);
     62 static int	atapibusdetach(device_t, int flags);
     63 static void	atapibuschilddet(device_t, device_t);
     64 
     65 static int	atapibussubmatch(device_t, struct cfdata *,
     66 				 const int *, void *);
     67 
     68 static int	atapi_probe_bus(struct atapibus_softc *, int);
     69 
     70 static int	atapibusprint(void *, const char *);
     71 
     72 CFATTACH_DECL2(atapibus, sizeof(struct atapibus_softc),
     73     atapibusmatch, atapibusattach, atapibusdetach, atapibusactivate, NULL,
     74     atapibuschilddet);
     75 
     76 extern struct cfdriver atapibus_cd;
     77 
     78 static const struct scsi_quirk_inquiry_pattern atapi_quirk_patterns[] = {
     79 	{{T_CDROM, T_REMOV,
     80 	 "ALPS ELECTRIC CO.,LTD. DC544C", "", "SW03D"},	PQUIRK_NOTUR},
     81 	{{T_CDROM, T_REMOV,
     82 	 "CR-2801TE", "", "1.07"},		PQUIRK_NOSENSE},
     83 	{{T_CDROM, T_REMOV,
     84 	 "CREATIVECD3630E", "", "AC101"},	PQUIRK_NOSENSE},
     85 	{{T_CDROM, T_REMOV,
     86 	 "FX320S", "", "q01"},			PQUIRK_NOSENSE},
     87 	{{T_CDROM, T_REMOV,
     88 	 "GCD-R580B", "", "1.00"},		PQUIRK_LITTLETOC},
     89 	{{T_CDROM, T_REMOV,
     90 	 "HITACHI CDR-7730", "", "0008a"},      PQUIRK_NOSENSE},
     91 	{{T_CDROM, T_REMOV,
     92 	 "MATSHITA CR-574", "", "1.02"},	PQUIRK_NOCAPACITY},
     93 	{{T_CDROM, T_REMOV,
     94 	 "MATSHITA CR-574", "", "1.06"},	PQUIRK_NOCAPACITY},
     95 	{{T_CDROM, T_REMOV,
     96 	 "Memorex CRW-2642", "", "1.0g"},	PQUIRK_NOSENSE},
     97 	{{T_CDROM, T_REMOV,
     98 	 "NEC                 CD-ROM DRIVE:273", "", "4.21"}, PQUIRK_NOTUR},
     99 	{{T_CDROM, T_REMOV,
    100 	 "SANYO CRD-256P", "", "1.02"},		PQUIRK_NOCAPACITY},
    101 	{{T_CDROM, T_REMOV,
    102 	 "SANYO CRD-254P", "", "1.02"},		PQUIRK_NOCAPACITY},
    103 	{{T_CDROM, T_REMOV,
    104 	 "SANYO CRD-S54P", "", "1.08"},		PQUIRK_NOCAPACITY},
    105 	{{T_CDROM, T_REMOV,
    106 	 "CD-ROM  CDR-S1", "", "1.70"},		PQUIRK_NOCAPACITY}, /* Sanyo */
    107 	{{T_CDROM, T_REMOV,
    108 	 "CD-ROM  CDR-N16", "", "1.25"},	PQUIRK_NOCAPACITY}, /* Sanyo */
    109 };
    110 
    111 int
    112 atapiprint(void *aux, const char *pnp)
    113 {
    114 	if (pnp)
    115 		aprint_normal("atapibus at %s", pnp);
    116 	return (UNCONF);
    117 }
    118 
    119 static int
    120 atapibusmatch(device_t parent, struct cfdata *cf, void *aux)
    121 {
    122 	struct scsipi_channel *chan = aux;
    123 
    124 	if (chan == NULL)
    125 		return (0);
    126 
    127 	if (chan->chan_bustype->bustype_type != SCSIPI_BUSTYPE_ATAPI)
    128 		return (0);
    129 
    130 	return (1);
    131 }
    132 
    133 static int
    134 atapibussubmatch(device_t parent, struct cfdata *cf,
    135     const int *ldesc, void *aux)
    136 {
    137 	struct scsipibus_attach_args *sa = aux;
    138 	struct scsipi_periph *periph = sa->sa_periph;
    139 
    140 	if (cf->cf_loc[ATAPIBUSCF_DRIVE] != ATAPIBUSCF_DRIVE_DEFAULT &&
    141 	    cf->cf_loc[ATAPIBUSCF_DRIVE] != periph->periph_target)
    142 		return (0);
    143 	return (config_match(parent, cf, aux));
    144 }
    145 
    146 static void
    147 atapibusattach(device_t parent, device_t self, void *aux)
    148 {
    149 	struct atapibus_softc *sc = device_private(self);
    150 	struct scsipi_channel *chan = aux;
    151 
    152 	sc->sc_channel = chan;
    153 
    154 	chan->chan_name = sc->sc_dev.dv_xname;
    155 
    156 	/* ATAPI has no LUNs. */
    157 	chan->chan_nluns = 1;
    158 	aprint_naive("\n");
    159 	aprint_normal(": %d targets\n", chan->chan_ntargets);
    160 
    161 	/* Initialize the channel. */
    162 	chan->chan_init_cb = NULL;
    163 	chan->chan_init_cb_arg = NULL;
    164 	scsipi_channel_init(chan);
    165 
    166 	if (!pmf_device_register(self, NULL, NULL))
    167 		aprint_error_dev(self, "couldn't establish power handler\n");
    168 
    169 	/* Probe the bus for devices. */
    170 	atapi_probe_bus(sc, -1);
    171 }
    172 
    173 static int
    174 atapibusactivate(device_t self, enum devact act)
    175 {
    176 	struct atapibus_softc *sc = device_private(self);
    177 	struct scsipi_channel *chan = sc->sc_channel;
    178 	struct scsipi_periph *periph;
    179 	int target, error = 0, s;
    180 
    181 	s = splbio();
    182 	switch (act) {
    183 	case DVACT_ACTIVATE:
    184 		error = EOPNOTSUPP;
    185 		break;
    186 
    187 	case DVACT_DEACTIVATE:
    188 		for (target = 0; target < chan->chan_ntargets; target++) {
    189 			periph = scsipi_lookup_periph(chan, target, 0);
    190 			if (periph == NULL)
    191 				continue;
    192 			error = config_deactivate(periph->periph_dev);
    193 			if (error)
    194 				goto out;
    195 		}
    196 		break;
    197 	}
    198  out:
    199 	splx(s);
    200 	return (error);
    201 }
    202 
    203 static void
    204 atapibuschilddet(device_t self, device_t child)
    205 {
    206 	struct atapibus_softc *sc = device_private(self);
    207 	struct scsipi_channel *chan = sc->sc_channel;
    208 	struct scsipi_periph *periph;
    209 	int target;
    210 
    211 	for (target = 0; target < chan->chan_ntargets; target++) {
    212 		periph = scsipi_lookup_periph(chan, target, 0);
    213 		if (periph == NULL || periph->periph_dev != child)
    214 			continue;
    215 		scsipi_remove_periph(chan, periph);
    216 		free(periph, M_DEVBUF);
    217 		break;
    218 	}
    219 }
    220 
    221 static int
    222 atapibusdetach(device_t self, int flags)
    223 {
    224 	struct atapibus_softc *sc = device_private(self);
    225 	struct scsipi_channel *chan = sc->sc_channel;
    226 	struct scsipi_periph *periph;
    227 	int target, error;
    228 
    229 	/*
    230 	 * Shut down the channel.
    231 	 */
    232 	scsipi_channel_shutdown(chan);
    233 
    234 	/*
    235 	 * Now detach all of the periphs.
    236 	 */
    237 	for (target = 0; target < chan->chan_ntargets; target++) {
    238 		periph = scsipi_lookup_periph(chan, target, 0);
    239 		if (periph == NULL)
    240 			continue;
    241 		error = config_detach(periph->periph_dev, flags);
    242 		if (error)
    243 			return (error);
    244 
    245 		scsipi_remove_periph(chan, periph);
    246 		free(periph, M_DEVBUF);
    247 	}
    248 	return (0);
    249 }
    250 
    251 static int
    252 atapi_probe_bus(struct atapibus_softc *sc, int target)
    253 {
    254 	struct scsipi_channel *chan = sc->sc_channel;
    255 	int maxtarget, mintarget;
    256 	int error;
    257 	struct atapi_adapter *atapi_adapter;
    258 
    259 	if (target == -1) {
    260 		maxtarget = 1;
    261 		mintarget = 0;
    262 	} else {
    263 		if (target < 0 || target >= chan->chan_ntargets)
    264 			return (ENXIO);
    265 		maxtarget = mintarget = target;
    266 	}
    267 
    268 	if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0)
    269 		return (error);
    270 	atapi_adapter = (struct atapi_adapter*)chan->chan_adapter;
    271 	for (target = mintarget; target <= maxtarget; target++)
    272 		atapi_adapter->atapi_probe_device(sc, target);
    273 	scsipi_adapter_delref(chan->chan_adapter);
    274 	return (0);
    275 }
    276 
    277 void *
    278 atapi_probe_device(struct atapibus_softc *sc, int target,
    279     struct scsipi_periph *periph, struct scsipibus_attach_args *sa)
    280 {
    281 	struct scsipi_channel *chan = sc->sc_channel;
    282 	const struct scsi_quirk_inquiry_pattern *finger;
    283 	struct cfdata *cf;
    284 	int priority, quirks;
    285 
    286 	finger = scsipi_inqmatch(
    287 	    &sa->sa_inqbuf, (const void *)atapi_quirk_patterns,
    288 	    sizeof(atapi_quirk_patterns) /
    289 	        sizeof(atapi_quirk_patterns[0]),
    290 	    sizeof(atapi_quirk_patterns[0]), &priority);
    291 
    292 	if (finger != NULL)
    293 		quirks = finger->quirks;
    294 	else
    295 		quirks = 0;
    296 
    297 	/*
    298 	 * Now apply any quirks from the table.
    299 	 */
    300 	periph->periph_quirks |= quirks;
    301 
    302 	if ((cf = config_search_ia(atapibussubmatch, &sc->sc_dev,
    303 	    "atapibus", sa)) != 0) {
    304 		scsipi_insert_periph(chan, periph);
    305 		/*
    306 		 * XXX Can't assign periph_dev here, because we'll
    307 		 * XXX need it before config_attach() returns.  Must
    308 		 * XXX assign it in periph driver.
    309 		 */
    310 		return config_attach(&sc->sc_dev, cf, sa,
    311 		    atapibusprint);
    312 	} else {
    313 		atapibusprint(sa, sc->sc_dev.dv_xname);
    314 		printf(" not configured\n");
    315 		free(periph, M_DEVBUF);
    316 		return NULL;
    317 	}
    318 }
    319 
    320 static int
    321 atapibusprint(void *aux, const char *pnp)
    322 {
    323 	struct scsipibus_attach_args *sa = aux;
    324 	struct scsipi_inquiry_pattern *inqbuf;
    325 	const char *dtype;
    326 
    327 	if (pnp != NULL)
    328 		aprint_normal("%s", pnp);
    329 
    330 	inqbuf = &sa->sa_inqbuf;
    331 
    332 	dtype = scsipi_dtype(inqbuf->type & SID_TYPE);
    333 	aprint_normal(" drive %d: <%s, %s, %s> %s %s",
    334 	    sa->sa_periph->periph_target, inqbuf->vendor,
    335 	    inqbuf->product, inqbuf->revision, dtype,
    336 	    inqbuf->removable ? "removable" : "fixed");
    337 	return (UNCONF);
    338 }
    339