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atapiconf.c revision 1.9
      1 /*	$NetBSD: atapiconf.c,v 1.9 1998/01/15 02:21:29 cgd Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1996 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/types.h>
     33 #include <sys/param.h>
     34 #include <sys/systm.h>
     35 #include <sys/malloc.h>
     36 #include <sys/device.h>
     37 #include <sys/buf.h>
     38 #include <sys/proc.h>
     39 
     40 #include <dev/scsipi/scsipi_all.h>
     41 #include <dev/scsipi/atapi_all.h>
     42 #include <dev/scsipi/scsipiconf.h>
     43 #include <dev/scsipi/atapiconf.h>
     44 
     45 #include "locators.h"
     46 
     47 #define SILENT_PRINTF(flags,string) if (!(flags & A_SILENT)) printf string
     48 
     49 struct atapibus_softc {
     50 	struct device sc_dev;
     51 	struct scsipi_link *adapter_link;	/* proto supplied by adapter */
     52 	struct scsipi_link **sc_link;		/* dynamically allocated */
     53 };
     54 
     55 #ifdef __BROKEN_INDIRECT_CONFIG
     56 int	atapibusmatch __P((struct device *, void *, void *));
     57 int	atapibussubmatch __P((struct device *, void *, void *));
     58 #else
     59 int	atapibusmatch __P((struct device *, struct cfdata *, void *));
     60 int	atapibussubmatch __P((struct device *, struct cfdata *, void *));
     61 #endif
     62 void	atapibusattach __P((struct device *, struct device *, void *));
     63 int	atapiprint __P((void *, const char *));
     64 
     65 int	atapi_probe_bus __P((int, int));
     66 void	atapi_probedev __P((struct atapibus_softc *, int ));
     67 
     68 struct cfattach atapibus_ca = {
     69 	sizeof(struct atapibus_softc), atapibusmatch, atapibusattach
     70 };
     71 
     72 extern struct cfdriver atapibus_cd;
     73 
     74 int atapibusprint __P((void *, const char *));
     75 
     76 struct scsi_quirk_inquiry_pattern atapi_quirk_patterns[] = {
     77 	{{T_CDROM, T_REMOV,
     78 	 "GCD-R580B", "", "1.00"},                ADEV_LITTLETOC}, /* Goldstar */
     79 	{{T_CDROM, T_REMOV,
     80 	 "SANYO CRD-256P", "", "1.02"},           ADEV_NOCAPACITY},
     81 	{{T_CDROM, T_REMOV,
     82 	 "SANYO CRD-254P", "", "1.02"},           ADEV_NOCAPACITY},
     83 	{{T_CDROM, T_REMOV,
     84 	 "SANYO CRD-S54P", "", "1.08"},           ADEV_NOCAPACITY},
     85 	{{T_CDROM, T_REMOV,
     86 	 "CD-ROM  CDR-S1", "", "1.70"},           ADEV_NOCAPACITY}, /* Sanyo */
     87 	{{T_CDROM, T_REMOV,
     88 	 "CD-ROM  CDR-N16", "", "1.25"},          ADEV_NOCAPACITY}, /* Sanyo */
     89 	{{T_CDROM, T_REMOV,
     90 	 "UJDCD8730", "", "1.14"},                ADEV_NODOORLOCK}, /* Acer */
     91 	{{T_CDROM, T_REMOV,
     92 	 "ALPS ELECTRIC CO.,LTD. DC544C", "", "SW03D"}, ADEV_NOTUR},
     93 	{{T_CDROM, T_REMOV,
     94 	 "NEC                 CD-ROM DRIVE:273", "", "4.21"}, ADEV_NOTUR},
     95 	{{T_CDROM, T_REMOV,
     96 	 "MATSHITA CR-574", "", "1.06"},          ADEV_NOCAPACITY},
     97 	{{T_CDROM, T_REMOV,
     98 	 "MATSHITA CR-574", "", "1.02"},          ADEV_NOCAPACITY},
     99 };
    100 
    101 int
    102 #ifdef __BROKEN_INDIRECT_CONFIG
    103 atapibusmatch(parent, match, aux)
    104 	struct device *parent;
    105 	void *match, *aux;
    106 {
    107 #else
    108 atapibusmatch(parent, cf, aux)
    109 	struct device *parent;
    110 	struct cfdata *cf;
    111 	void *aux;
    112 {
    113 #endif
    114 	struct scsipi_link *sc_link = aux;
    115 
    116 	if (sc_link == NULL)
    117 		return (0);
    118 	if (sc_link->type != BUS_ATAPI)
    119 		return (0);
    120 	return (1);
    121 }
    122 
    123 int
    124 #ifdef __BROKEN_INDIRECT_CONFIG
    125 atapibussubmatch(parent, match, aux)
    126 	struct device *parent;
    127 	void *match, *aux;
    128 {
    129 	struct cfdata *cf = match;
    130 #else
    131 atapibussubmatch(parent, cf, aux)
    132 	struct device *parent;
    133 	struct cfdata *cf;
    134 	void *aux;
    135 {
    136 #endif
    137 	struct scsipibus_attach_args *sa = aux;
    138 	struct scsipi_link *sc_link = sa->sa_sc_link;
    139 
    140 	if (cf->cf_loc[ATAPIBUSCF_DRIVE] != ATAPIBUSCF_DRIVE_DEFAULT &&
    141 	    cf->cf_loc[ATAPIBUSCF_DRIVE] != sc_link->scsipi_atapi.drive)
    142 		return (0);
    143 	return ((*cf->cf_attach->ca_match)(parent, cf, aux));
    144 }
    145 
    146 #if 0
    147 void
    148 atapi_fixquirk(sc_link)
    149 	struct scsipi_link *ad_link;
    150 {
    151 	struct atapi_identify *id = &ad_link->id;
    152 	struct atapi_quirk_inquiry_pattern *quirk;
    153 
    154 	/*
    155 	 * Clean up the model name, serial and revision numbers.
    156 	 */
    157 	btrim(id->model, sizeof(id->model));
    158 	btrim(id->serial_number, sizeof(id->serial_number));
    159 	btrim(id->firmware_revision, sizeof(id->firmware_revision));
    160 }
    161 #endif
    162 
    163 void
    164 atapibusattach(parent, self, aux)
    165 	struct device *parent, *self;
    166 	void *aux;
    167 {
    168 	struct atapibus_softc *ab = (struct atapibus_softc *)self;
    169 	struct scsipi_link *sc_link_proto = aux;
    170 	int nbytes;
    171 
    172 	printf("\n");
    173 
    174 	sc_link_proto->scsipi_atapi.atapibus = ab->sc_dev.dv_unit;
    175 	sc_link_proto->scsipi_cmd = atapi_scsipi_cmd;
    176 	sc_link_proto->scsipi_interpret_sense = atapi_interpret_sense;
    177 	sc_link_proto->sc_print_addr = atapi_print_addr;
    178 
    179 	ab->adapter_link = sc_link_proto;
    180 
    181 	nbytes = 2 * sizeof(struct scsipi_link **);
    182 	ab->sc_link = (struct scsipi_link **)malloc(nbytes, M_DEVBUF,
    183 	    M_NOWAIT);
    184 	if (ab->sc_link == NULL)
    185 		panic("scsibusattach: can't allocate target links");
    186 	bzero(ab->sc_link, nbytes);
    187 	atapi_probe_bus(ab->sc_dev.dv_unit, -1);
    188 }
    189 
    190 int
    191 atapi_probe_bus(bus, target)
    192 	int bus, target;
    193 {
    194 	int maxtarget, mintarget;
    195 	struct atapibus_softc *atapi;
    196 
    197 	if (bus < 0 || bus >= atapibus_cd.cd_ndevs)
    198 		return (ENXIO);
    199 	atapi = atapibus_cd.cd_devs[bus];
    200 	if (atapi == NULL)
    201 		return (ENXIO);
    202 
    203 	if (target == -1) {
    204 		maxtarget = 1;
    205 		mintarget = 0;
    206 	} else {
    207 		if (target < 0 || target > 1)
    208 			return (ENXIO);
    209 		maxtarget = mintarget = target;
    210 	}
    211 	for (target = mintarget; target <= maxtarget; target++)
    212 		atapi_probedev(atapi, target);
    213 	return (0);
    214 }
    215 
    216 void
    217 atapi_probedev(atapi, target)
    218 	struct atapibus_softc *atapi;
    219 	int target;
    220 {
    221 	struct scsipi_link *sc_link;
    222 	struct scsipibus_attach_args sa;
    223 	struct atapi_identify ids;
    224 	struct atapi_identify *id = &ids;
    225 	struct cfdata *cf;
    226 	struct scsi_quirk_inquiry_pattern *finger;
    227 	int priority;
    228 	char serial_number[20], model[40], firmware_revision[8];
    229 
    230 	/* skip if already attached */
    231 	if (atapi->sc_link[target])
    232 		return;
    233 
    234 	if (wdc_atapi_get_params(atapi->adapter_link, target, id)) {
    235 #ifdef ATAPI_DEBUG_PROBE
    236 		printf("%s drive %d: cmdsz 0x%x drqtype 0x%x\n",
    237 		    atapi->sc_dev.dv_xname, target,
    238 		    id->config.cmd_drq_rem & ATAPI_PACKET_SIZE_MASK,
    239 		    id->config.cmd_drq_rem & ATAPI_DRQ_MASK);
    240 #endif
    241 		/*
    242 		 * Shuffle string byte order.
    243 		 * Mitsumi and NEC drives don't need this.
    244 		 */
    245 		if (((id->model[0] == 'N' && id->model[1] == 'E') ||
    246 		    (id->model[0] == 'F' && id->model[1] == 'X')) == 0)
    247 			bswap(id->model, sizeof(id->model));
    248 		bswap(id->serial_number, sizeof(id->serial_number));
    249 		bswap(id->firmware_revision, sizeof(id->firmware_revision));
    250 
    251 		/*
    252 		 * Allocate a device link and try and attach
    253 		 * a driver to this device.  If we fail, free
    254 		 * the link.
    255 		 */
    256 		sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT);
    257 		if (sc_link == NULL) {
    258 			printf("%s: can't allocate link for drive %d\n",
    259 			    atapi->sc_dev.dv_xname, target);
    260 			return;
    261 		}
    262 		/* Fill in link. */
    263 		*sc_link = *atapi->adapter_link;
    264 		sc_link->scsipi_atapi.drive = target;
    265 		sc_link->device = NULL;
    266 #if defined(SCSIDEBUG) && DEBUGTYPE == BUS_ATAPI
    267 		if (DEBUGTARGET == -1 || target == DEBUGTARGET)
    268 			sc_link->flags |= DEBUGLEVEL;
    269 #endif /* SCSIDEBUG */
    270 		if (id->config.cmd_drq_rem & ATAPI_PACKET_SIZE_16)
    271 			sc_link->scsipi_atapi.cap |= ACAP_LEN;
    272 		sc_link->scsipi_atapi.cap |=
    273 		    (id->config.cmd_drq_rem & ATAPI_DRQ_MASK) << 3;
    274 #if 0
    275 		bcopy(id, &ad_link->id, sizeof(*id));
    276 		/* Fix strings and look through the quirk table. */
    277 		atapi_fixquirk(ad_link, id);
    278 #endif
    279 		sa.sa_sc_link = sc_link;
    280 		sa.sa_inqbuf.type =  id->config.device_type & SID_TYPE;
    281 		sa.sa_inqbuf.removable =
    282 		    id->config.cmd_drq_rem & ATAPI_REMOVABLE ?
    283 		    T_REMOV : T_FIXED;
    284 		if (sa.sa_inqbuf.removable)
    285 			sc_link->flags |= SDEV_REMOVABLE;
    286 		scsipi_strvis(model, id->model, 40);
    287 		scsipi_strvis(serial_number, id->serial_number, 20);
    288 		scsipi_strvis(firmware_revision, id->firmware_revision, 8);
    289 		sa.sa_inqbuf.vendor = model;
    290 		sa.sa_inqbuf.product = serial_number;
    291 		sa.sa_inqbuf.revision = firmware_revision;
    292 
    293 		finger = (struct scsi_quirk_inquiry_pattern *)scsipi_inqmatch(
    294 		    &sa.sa_inqbuf, (caddr_t)atapi_quirk_patterns,
    295 		    sizeof(atapi_quirk_patterns) /
    296 		        sizeof(atapi_quirk_patterns[0]),
    297 		    sizeof(atapi_quirk_patterns[0]), &priority);
    298 		if (priority != 0)
    299 			sc_link->quirks |= finger->quirks;
    300 
    301 		if ((cf = config_search(atapibussubmatch, &atapi->sc_dev,
    302 		    &sa)) != 0) {
    303 			atapi->sc_link[target] = sc_link;
    304 			config_attach(&atapi->sc_dev, cf, &sa, atapibusprint);
    305 			return;
    306 		} else {
    307 			atapibusprint(&sa, atapi->sc_dev.dv_xname);
    308 			printf(" not configured\n");
    309 			free(sc_link, M_DEVBUF);
    310 			return;
    311 		}
    312 
    313 #if 0 /* WAS: */
    314 		/* Try to find a match. */
    315 		if (config_found(self, ad_link, atapiprint) == NULL)
    316 			free(ad_link, M_DEVBUF);
    317 #endif
    318 	}
    319 }
    320 
    321 int
    322 atapibusprint(aux, pnp)
    323 	void *aux;
    324 	const char *pnp;
    325 {
    326 	struct scsipibus_attach_args *sa = aux;
    327 	struct scsipi_inquiry_pattern *inqbuf;
    328 	char *dtype;
    329 
    330 	if (pnp != NULL)
    331 		printf("%s", pnp);
    332 
    333 	inqbuf = &sa->sa_inqbuf;
    334 
    335 	dtype = scsipi_dtype(inqbuf->type & SID_TYPE);
    336 	printf(" drive %d: <%s, %s, %s> type %d %s %s",
    337 	    sa->sa_sc_link->scsipi_atapi.drive,inqbuf->vendor,
    338 	    inqbuf->product, inqbuf->revision, inqbuf->type, dtype,
    339 	    inqbuf->removable ? "removable" : "fixed");
    340 	return (UNCONF);
    341 }
    342