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atapiconf.c revision 1.12
      1 /*	$NetBSD: atapiconf.c,v 1.12 1998/08/31 22:28:06 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 int	atapibusmatch __P((struct device *, struct cfdata *, void *));
     56 int	atapibussubmatch __P((struct device *, struct cfdata *, void *));
     57 void	atapibusattach __P((struct device *, struct device *, void *));
     58 int	atapiprint __P((void *, const char *));
     59 
     60 int	atapi_probe_bus __P((int, int));
     61 void	atapi_probedev __P((struct atapibus_softc *, int ));
     62 
     63 struct cfattach atapibus_ca = {
     64 	sizeof(struct atapibus_softc), atapibusmatch, atapibusattach
     65 };
     66 
     67 extern struct cfdriver atapibus_cd;
     68 
     69 int atapibusprint __P((void *, const char *));
     70 
     71 struct scsi_quirk_inquiry_pattern atapi_quirk_patterns[] = {
     72 	{{T_CDROM, T_REMOV,
     73 	 "GCD-R580B", "", "1.00"},                ADEV_LITTLETOC}, /* Goldstar */
     74 	{{T_CDROM, T_REMOV,
     75 	 "SANYO CRD-256P", "", "1.02"},           ADEV_NOCAPACITY},
     76 	{{T_CDROM, T_REMOV,
     77 	 "SANYO CRD-254P", "", "1.02"},           ADEV_NOCAPACITY},
     78 	{{T_CDROM, T_REMOV,
     79 	 "SANYO CRD-S54P", "", "1.08"},           ADEV_NOCAPACITY},
     80 	{{T_CDROM, T_REMOV,
     81 	 "CD-ROM  CDR-S1", "", "1.70"},           ADEV_NOCAPACITY}, /* Sanyo */
     82 	{{T_CDROM, T_REMOV,
     83 	 "CD-ROM  CDR-N16", "", "1.25"},          ADEV_NOCAPACITY}, /* Sanyo */
     84 	{{T_CDROM, T_REMOV,
     85 	 "UJDCD8730", "", "1.14"},                ADEV_NODOORLOCK}, /* Acer */
     86 	{{T_CDROM, T_REMOV,
     87 	 "ALPS ELECTRIC CO.,LTD. DC544C", "", "SW03D"}, ADEV_NOTUR},
     88 	{{T_CDROM, T_REMOV,
     89 	 "NEC                 CD-ROM DRIVE:273", "", "4.21"}, ADEV_NOTUR},
     90 	{{T_CDROM, T_REMOV,
     91 	 "MATSHITA CR-574", "", "1.06"},          ADEV_NOCAPACITY},
     92 	{{T_CDROM, T_REMOV,
     93 	 "MATSHITA CR-574", "", "1.02"},          ADEV_NOCAPACITY},
     94 };
     95 
     96 int
     97 atapibusmatch(parent, cf, aux)
     98 	struct device *parent;
     99 	struct cfdata *cf;
    100 	void *aux;
    101 {
    102 	struct scsipi_link *sc_link = aux;
    103 
    104 	if (sc_link == NULL)
    105 		return (0);
    106 	if (sc_link->type != BUS_ATAPI)
    107 		return (0);
    108 	return (1);
    109 }
    110 
    111 int
    112 atapibussubmatch(parent, cf, aux)
    113 	struct device *parent;
    114 	struct cfdata *cf;
    115 	void *aux;
    116 {
    117 	struct scsipibus_attach_args *sa = aux;
    118 	struct scsipi_link *sc_link = sa->sa_sc_link;
    119 
    120 	if (cf->cf_loc[ATAPIBUSCF_DRIVE] != ATAPIBUSCF_DRIVE_DEFAULT &&
    121 	    cf->cf_loc[ATAPIBUSCF_DRIVE] != sc_link->scsipi_atapi.drive)
    122 		return (0);
    123 	return ((*cf->cf_attach->ca_match)(parent, cf, aux));
    124 }
    125 
    126 #if 0
    127 void
    128 atapi_fixquirk(sc_link)
    129 	struct scsipi_link *ad_link;
    130 {
    131 	struct atapi_identify *id = &ad_link->id;
    132 	struct atapi_quirk_inquiry_pattern *quirk;
    133 
    134 	/*
    135 	 * Clean up the model name, serial and revision numbers.
    136 	 */
    137 	btrim(id->model, sizeof(id->model));
    138 	btrim(id->serial_number, sizeof(id->serial_number));
    139 	btrim(id->firmware_revision, sizeof(id->firmware_revision));
    140 }
    141 #endif
    142 
    143 void
    144 atapibusattach(parent, self, aux)
    145 	struct device *parent, *self;
    146 	void *aux;
    147 {
    148 	struct atapibus_softc *ab = (struct atapibus_softc *)self;
    149 	struct scsipi_link *sc_link_proto = aux;
    150 	int nbytes;
    151 
    152 	printf("\n");
    153 
    154 	/* Initialize shared data. */
    155 	scsipi_init();
    156 
    157 	sc_link_proto->scsipi_atapi.atapibus = ab->sc_dev.dv_unit;
    158 	sc_link_proto->scsipi_cmd = atapi_scsipi_cmd;
    159 	sc_link_proto->scsipi_interpret_sense = atapi_interpret_sense;
    160 	sc_link_proto->sc_print_addr = atapi_print_addr;
    161 
    162 	ab->adapter_link = sc_link_proto;
    163 
    164 	nbytes = 2 * sizeof(struct scsipi_link **);
    165 	ab->sc_link = (struct scsipi_link **)malloc(nbytes, M_DEVBUF,
    166 	    M_NOWAIT);
    167 	if (ab->sc_link == NULL)
    168 		panic("scsibusattach: can't allocate target links");
    169 	bzero(ab->sc_link, nbytes);
    170 	atapi_probe_bus(ab->sc_dev.dv_unit, -1);
    171 }
    172 
    173 int
    174 atapi_probe_bus(bus, target)
    175 	int bus, target;
    176 {
    177 	int maxtarget, mintarget;
    178 	struct atapibus_softc *atapi;
    179 
    180 	if (bus < 0 || bus >= atapibus_cd.cd_ndevs)
    181 		return (ENXIO);
    182 	atapi = atapibus_cd.cd_devs[bus];
    183 	if (atapi == NULL)
    184 		return (ENXIO);
    185 
    186 	if (target == -1) {
    187 		maxtarget = 1;
    188 		mintarget = 0;
    189 	} else {
    190 		if (target < 0 || target > 1)
    191 			return (ENXIO);
    192 		maxtarget = mintarget = target;
    193 	}
    194 	for (target = mintarget; target <= maxtarget; target++)
    195 		atapi_probedev(atapi, target);
    196 	return (0);
    197 }
    198 
    199 void
    200 atapi_probedev(atapi, target)
    201 	struct atapibus_softc *atapi;
    202 	int target;
    203 {
    204 	struct scsipi_link *sc_link;
    205 	struct scsipibus_attach_args sa;
    206 	struct atapi_identify ids;
    207 	struct atapi_identify *id = &ids;
    208 	struct cfdata *cf;
    209 	struct scsi_quirk_inquiry_pattern *finger;
    210 	int priority;
    211 	char serial_number[20], model[40], firmware_revision[8];
    212 
    213 	/* skip if already attached */
    214 	if (atapi->sc_link[target])
    215 		return;
    216 
    217 	if (wdc_atapi_get_params(atapi->adapter_link, target, id)) {
    218 #ifdef ATAPI_DEBUG_PROBE
    219 		printf("%s drive %d: cmdsz 0x%x drqtype 0x%x\n",
    220 		    atapi->sc_dev.dv_xname, target,
    221 		    id->config.cmd_drq_rem & ATAPI_PACKET_SIZE_MASK,
    222 		    id->config.cmd_drq_rem & ATAPI_DRQ_MASK);
    223 #endif
    224 		/*
    225 		 * Shuffle string byte order.
    226 		 * Mitsumi and NEC drives don't need this.
    227 		 */
    228 		if (((id->model[0] == 'N' && id->model[1] == 'E') ||
    229 		    (id->model[0] == 'F' && id->model[1] == 'X')) == 0)
    230 			bswap(id->model, sizeof(id->model));
    231 		bswap(id->serial_number, sizeof(id->serial_number));
    232 		bswap(id->firmware_revision, sizeof(id->firmware_revision));
    233 
    234 		/*
    235 		 * Allocate a device link and try and attach
    236 		 * a driver to this device.  If we fail, free
    237 		 * the link.
    238 		 */
    239 		sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT);
    240 		if (sc_link == NULL) {
    241 			printf("%s: can't allocate link for drive %d\n",
    242 			    atapi->sc_dev.dv_xname, target);
    243 			return;
    244 		}
    245 		/* Fill in link. */
    246 		*sc_link = *atapi->adapter_link;
    247 		sc_link->scsipi_atapi.drive = target;
    248 		sc_link->device = NULL;
    249 #if defined(SCSIDEBUG) && DEBUGTYPE == BUS_ATAPI
    250 		if (DEBUGTARGET == -1 || target == DEBUGTARGET)
    251 			sc_link->flags |= DEBUGLEVEL;
    252 #endif /* SCSIDEBUG */
    253 		if (id->config.cmd_drq_rem & ATAPI_PACKET_SIZE_16)
    254 			sc_link->scsipi_atapi.cap |= ACAP_LEN;
    255 		sc_link->scsipi_atapi.cap |=
    256 		    (id->config.cmd_drq_rem & ATAPI_DRQ_MASK) << 3;
    257 #if 0
    258 		bcopy(id, &ad_link->id, sizeof(*id));
    259 		/* Fix strings and look through the quirk table. */
    260 		atapi_fixquirk(ad_link, id);
    261 #endif
    262 		sa.sa_sc_link = sc_link;
    263 		sa.sa_inqbuf.type =  id->config.device_type & SID_TYPE;
    264 		sa.sa_inqbuf.removable =
    265 		    id->config.cmd_drq_rem & ATAPI_REMOVABLE ?
    266 		    T_REMOV : T_FIXED;
    267 		if (sa.sa_inqbuf.removable)
    268 			sc_link->flags |= SDEV_REMOVABLE;
    269 		scsipi_strvis(model, 40, id->model, 40);
    270 		scsipi_strvis(serial_number, 20, id->serial_number, 20);
    271 		scsipi_strvis(firmware_revision, 8, id->firmware_revision, 8);
    272 		sa.sa_inqbuf.vendor = model;
    273 		sa.sa_inqbuf.product = serial_number;
    274 		sa.sa_inqbuf.revision = firmware_revision;
    275 
    276 		finger = (struct scsi_quirk_inquiry_pattern *)scsipi_inqmatch(
    277 		    &sa.sa_inqbuf, (caddr_t)atapi_quirk_patterns,
    278 		    sizeof(atapi_quirk_patterns) /
    279 		        sizeof(atapi_quirk_patterns[0]),
    280 		    sizeof(atapi_quirk_patterns[0]), &priority);
    281 		if (priority != 0)
    282 			sc_link->quirks |= finger->quirks;
    283 
    284 		if ((cf = config_search(atapibussubmatch, &atapi->sc_dev,
    285 		    &sa)) != 0) {
    286 			atapi->sc_link[target] = sc_link;
    287 			config_attach(&atapi->sc_dev, cf, &sa, atapibusprint);
    288 			return;
    289 		} else {
    290 			atapibusprint(&sa, atapi->sc_dev.dv_xname);
    291 			printf(" not configured\n");
    292 			free(sc_link, M_DEVBUF);
    293 			return;
    294 		}
    295 
    296 #if 0 /* WAS: */
    297 		/* Try to find a match. */
    298 		if (config_found(self, ad_link, atapiprint) == NULL)
    299 			free(ad_link, M_DEVBUF);
    300 #endif
    301 	}
    302 }
    303 
    304 int
    305 atapibusprint(aux, pnp)
    306 	void *aux;
    307 	const char *pnp;
    308 {
    309 	struct scsipibus_attach_args *sa = aux;
    310 	struct scsipi_inquiry_pattern *inqbuf;
    311 	char *dtype;
    312 
    313 	if (pnp != NULL)
    314 		printf("%s", pnp);
    315 
    316 	inqbuf = &sa->sa_inqbuf;
    317 
    318 	dtype = scsipi_dtype(inqbuf->type & SID_TYPE);
    319 	printf(" drive %d: <%s, %s, %s> type %d %s %s",
    320 	    sa->sa_sc_link->scsipi_atapi.drive,inqbuf->vendor,
    321 	    inqbuf->product, inqbuf->revision, inqbuf->type, dtype,
    322 	    inqbuf->removable ? "removable" : "fixed");
    323 	return (UNCONF);
    324 }
    325