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atapiconf.c revision 1.3
      1 /*	$NetBSD: atapiconf.c,v 1.3 1997/08/28 14:02:31 bouyer 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/scsi_all.h>
     42 #include <dev/scsipi/scsipiconf.h>
     43 #include <dev/scsipi/atapiconf.h>
     44 #include "locators.h"
     45 
     46 #define SILENT_PRINTF(flags,string) if (!(flags & A_SILENT)) printf string
     47 
     48 struct atapibus_softc {
     49 	struct device sc_dev;
     50 	struct scsipi_link *adapter_link; /* proto supplied by adapter */
     51 	struct scsipi_link **sc_link;     /* dynamically allocated */
     52 };
     53 
     54 #ifdef __BROKEN_INDIRECT_CONFIG
     55 int	atapibusmatch __P((struct device *, void *, void *));
     56 int	atapibussubmatch __P((struct device *, void *, void *));
     57 #else
     58 int	atapibusmatch __P((struct device *, struct cfdata *, void *));
     59 int	atapibussubmatch __P((struct device *, struct cfdata *, void *));
     60 #endif
     61 void	atapibusattach __P((struct device *, struct device *, void *));
     62 int	atapiprint __P((void *, const char *));
     63 
     64 int	atapi_probe_bus __P((int, int));
     65 void	atapi_probedev __P((struct atapibus_softc *, int ));
     66 
     67 struct cfattach atapibus_ca = {
     68 	sizeof(struct atapibus_softc), atapibusmatch, atapibusattach
     69 };
     70 
     71 struct cfdriver atapibus_cd = {
     72 	NULL, "atapibus", DV_DULL
     73 };
     74 
     75 int atapibusprint __P((void *, const char *));
     76 
     77 struct scsi_quirk_inquiry_pattern atapi_quirk_patterns[] = {
     78 	{{T_CDROM, T_REMOV,
     79 	 "GCD-R580B", "", "1.00"},							ADEV_LITTLETOC},
     80 	{{T_CDROM, T_REMOV,
     81 	 "SANYO CRD-256P", "", "1.02"},						ADEV_NOCAPACITY},
     82 	{{T_CDROM, T_REMOV,
     83 	 "SANYO CRD-254P", "", "1.02"},						ADEV_NOCAPACITY},
     84 	{{T_CDROM, T_REMOV,
     85 	 "UJDCD8730", "", "1.14"},							ADEV_NODOORLOCK},
     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 };
     93 
     94 int
     95 #ifdef __BROKEN_INDIRECT_CONFIG
     96 atapibusmatch(parent, match, aux)
     97 	struct device *parent;
     98 	void *match, *aux;
     99 {
    100 #else
    101 atapibusmatch(parent, cf, aux)
    102 	struct device *parent;
    103 	struct cfdata *cf;
    104 	void *aux;
    105 {
    106 #endif
    107 	struct scsipi_link *sc_link = aux;
    108 
    109 	if (sc_link == NULL)
    110 		return 0;
    111 	if (sc_link->type != BUS_ATAPI)
    112 		return 0;
    113 	return 1;
    114 }
    115 
    116 int
    117 #ifdef __BROKEN_INDIRECT_CONFIG
    118 atapibussubmatch(parent, match, aux)
    119 	struct device *parent;
    120 	void *match, *aux;
    121 {
    122 	struct cfdata *cf = match;
    123 #else
    124 atapibussubmatch(parent, cf, aux)
    125 	struct device *parent;
    126 	struct cfdata *cf;
    127 	void *aux;
    128 {
    129 #endif
    130 	struct scsipibus_attach_args *sa = aux;
    131 	struct scsipi_link *sc_link = sa->sa_sc_link;
    132 
    133 	if (cf->cf_loc[ATAPIBUSCF_DRIVE] != ATAPIBUSCF_DRIVE_DEFAULT &&
    134 		cf->cf_loc[ATAPIBUSCF_DRIVE] != sc_link->scsipi_atapi.drive)
    135 		return 0;
    136 	return ((*cf->cf_attach->ca_match)(parent, cf, aux));
    137 }
    138 
    139 
    140 #if 0
    141 void
    142 atapi_fixquirk(sc_link)
    143         struct scsipi_link *ad_link;
    144 {
    145         struct atapi_identify *id = &ad_link->id;
    146         struct atapi_quirk_inquiry_pattern *quirk;
    147 
    148 
    149         /*
    150          * Clean up the model name, serial and
    151          * revision numbers.
    152          */
    153         btrim(id->model, sizeof(id->model));
    154         btrim(id->serial_number, sizeof(id->serial_number));
    155         btrim(id->firmware_revision, sizeof(id->firmware_revision));
    156 
    157 }
    158 #endif
    159 
    160 
    161 void
    162 atapibusattach(parent, self, aux)
    163         struct device *parent, *self;
    164         void *aux;
    165 {
    166 	struct atapibus_softc *ab = (struct atapibus_softc *)self;
    167 	struct scsipi_link *sc_link_proto = aux;
    168 	int nbytes;
    169 
    170 	printf("\n");
    171 
    172 	sc_link_proto->scsipi_atapi.atapibus = ab->sc_dev.dv_unit;
    173 	sc_link_proto->scsipi_cmd = atapi_scsipi_cmd;
    174 	sc_link_proto->scsipi_interpret_sense = atapi_interpret_sense;
    175 	sc_link_proto->sc_print_addr = atapi_print_addr;
    176 
    177 	ab->adapter_link = sc_link_proto;
    178 
    179 	nbytes =  2 * sizeof(struct scsipi_link **);
    180 	ab->sc_link = (struct scsipi_link **)malloc(nbytes, M_DEVBUF,
    181 	    M_NOWAIT);
    182 	if (ab->sc_link == NULL)
    183 		panic("scsibusattach: can't allocate target links");
    184 	bzero(ab->sc_link, nbytes);
    185 	atapi_probe_bus(ab->sc_dev.dv_unit, -1);
    186 }
    187 
    188 int
    189 atapi_probe_bus(bus, target)
    190 int bus, target;
    191 {
    192 	int maxtarget, mintarget;
    193 	struct atapibus_softc *atapi;
    194 	if (bus < 0 || bus >= atapibus_cd.cd_ndevs)
    195 		return ENXIO;
    196 	atapi = atapibus_cd.cd_devs[bus];
    197 	if (!atapi)
    198 		return ENXIO;
    199 
    200 	if (target == -1) {
    201 		maxtarget = 1;
    202 		mintarget = 0;
    203 	} else {
    204 		if (target < 0 || target > 1)
    205 			return ENXIO;
    206 		maxtarget = mintarget = target;
    207 	}
    208 	for (target = mintarget; target <= maxtarget; target++) {
    209 		atapi_probedev(atapi, target);
    210 	}
    211 	return 0;
    212 }
    213 
    214 void
    215 atapi_probedev(atapi, target)
    216 	struct atapibus_softc *atapi;
    217 	int target;
    218 {
    219 	struct scsipi_link *sc_link;
    220 	struct scsipibus_attach_args sa;
    221 	struct atapi_identify ids;
    222 	struct atapi_identify *id = &ids;
    223 	struct cfdata *cf;
    224 	struct scsi_quirk_inquiry_pattern *finger;
    225 	int priority;
    226 	char serial_number[20], model[40], firmware_revision[8];
    227 
    228 	/* skip if already attached */
    229 	if (atapi->sc_link[target])
    230 		return;
    231 
    232 	if (wdc_atapi_get_params(atapi->adapter_link, target, id)) {
    233 #ifdef ATAPI_DEBUG_PROBE
    234 		printf("%s drive %d: cmdsz 0x%x drqtype 0x%x\n",
    235 		    atapi->sc_dev.dv_xname, target,
    236 		    id->config.cmd_drq_rem & ATAPI_PACKET_SIZE_MASK,
    237 		    id->config.cmd_drq_rem & ATAPI_DRQ_MASK);
    238 #endif
    239 		/*
    240 		 * Shuffle string byte order.
    241 		 * Mitsumi and NEC drives don't need this.
    242 		 */
    243 		if (((id->model[0] == 'N' && id->model[1] == 'E') ||
    244 		    (id->model[0] == 'F' && id->model[1] == 'X')) == 0)
    245 			bswap(id->model, sizeof(id->model));
    246 		bswap(id->serial_number, sizeof(id->serial_number));
    247 		bswap(id->firmware_revision, sizeof(id->firmware_revision));
    248 
    249 		/*
    250 		 * Allocate a device link and try and attach
    251 		 * a driver to this device.  If we fail, free
    252 		 * the link.
    253 		 */
    254 		sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT);
    255 		if (sc_link == NULL) {
    256 			printf("%s: can't allocate link for drive %d\n",
    257 			    atapi->sc_dev.dv_xname, target);
    258 			return;
    259 		}
    260 		/* Fill in link. */
    261 		*sc_link = *atapi->adapter_link;
    262 		sc_link->scsipi_atapi.drive = target;
    263 		sc_link->device = NULL;
    264 #if defined(SCSIDEBUG) && DEBUGTYPE == BUS_ATAPI
    265 		if (DEBUGTARGET == -1 || target == DEBUGTARGET)
    266 			sc_link->flags |= DEBUGLEVEL;
    267 #endif /* SCSIDEBUG */
    268 		if (id->config.cmd_drq_rem & ATAPI_PACKET_SIZE_16)
    269 			sc_link->scsipi_atapi.cap |= ACAP_LEN;
    270 		sc_link->scsipi_atapi.cap |=
    271 		    (id->config.cmd_drq_rem & ATAPI_DRQ_MASK) << 3;
    272 #if 0
    273 		bcopy(id, &ad_link->id, sizeof(*id));
    274 		/* Fix strings and look through the quirk table. */
    275 		atapi_fixquirk(ad_link, id);
    276 #endif
    277 		sa.sa_sc_link = sc_link;
    278 		sa.sa_inqbuf.type =  id->config.device_type & SID_TYPE;
    279 		sa.sa_inqbuf.removable =
    280 		    id->config.cmd_drq_rem & ATAPI_REMOVABLE ?
    281 		    T_REMOV : T_FIXED;
    282 		if (sa.sa_inqbuf.removable)
    283 			sc_link->flags |= SDEV_REMOVABLE;
    284 		scsipi_strvis(model, id->model, 40);
    285 		scsipi_strvis(serial_number, id->serial_number, 20);
    286 		scsipi_strvis(firmware_revision, id->firmware_revision, 8);
    287 		sa.sa_inqbuf.vendor = model;
    288 		sa.sa_inqbuf.product = serial_number;
    289 		sa.sa_inqbuf.revision = firmware_revision;
    290 
    291 		finger = (struct scsi_quirk_inquiry_pattern *)scsipi_inqmatch(
    292 		    &sa.sa_inqbuf, (caddr_t)atapi_quirk_patterns,
    293 		    sizeof(atapi_quirk_patterns) /
    294 		      sizeof(atapi_quirk_patterns[0]),
    295 		    sizeof(atapi_quirk_patterns[0]), &priority);
    296 		if (priority != 0)
    297 			sc_link->quirks |= finger->quirks;
    298 
    299 		if ((cf = config_search(atapibussubmatch, &atapi->sc_dev,
    300 		    &sa)) != 0) {
    301 			atapi->sc_link[target] = sc_link;
    302 			config_attach(&atapi->sc_dev, cf, &sa, atapibusprint);
    303 			return;
    304 		} else {
    305 			atapibusprint(&sa, atapi->sc_dev.dv_xname);
    306 			printf(" not configured\n");
    307 			free(sc_link, M_DEVBUF);
    308 			return;
    309 		}
    310 
    311 #if 0 /* WAS: */
    312 		/* Try to find a match. */
    313 		if (config_found(self, ad_link, atapiprint) == NULL)
    314 			free(ad_link, M_DEVBUF);
    315 #endif
    316 	}
    317 }
    318 
    319 int
    320 atapibusprint(aux, pnp)
    321 	void *aux;
    322 	const char *pnp;
    323 {
    324 	struct scsipibus_attach_args *sa = aux;
    325 	struct scsipi_inquiry_pattern *inqbuf;
    326 	char *dtype;
    327 
    328 	if (pnp != NULL)
    329 		printf("%s", pnp);
    330 
    331 	inqbuf = &sa->sa_inqbuf;
    332 
    333 	dtype = scsipi_dtype(inqbuf->type & SID_TYPE);
    334 	printf(" drive %d: <%s, %s, %s> type %d %s %s",
    335 	    sa->sa_sc_link->scsipi_atapi.drive,inqbuf->vendor,
    336 	    inqbuf->product, inqbuf->revision, inqbuf->type, dtype,
    337 	    inqbuf->removable ? "removable" : "fixed");
    338 	return (UNCONF);
    339 }
    340