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atapiconf.c revision 1.2
      1 /*	$NetBSD: atapiconf.c,v 1.2 1997/08/27 11:26:16 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 	 "UJDCD8730", "", "1.14"},							ADEV_NODOORLOCK},
     84 	{{T_CDROM, T_REMOV,
     85 	 "ALPS ELECTRIC CO.,LTD. DC544C", "", "SW03D"},		ADEV_NOTUR},
     86 	{{T_CDROM, T_REMOV,
     87 	 "NEC                 CD-ROM DRIVE:273", "", "4.21"},	ADEV_NOTUR},
     88 };
     89 
     90 int
     91 #ifdef __BROKEN_INDIRECT_CONFIG
     92 atapibusmatch(parent, match, aux)
     93 	struct device *parent;
     94 	void *match, *aux;
     95 {
     96 #else
     97 atapibusmatch(parent, cf, aux)
     98 	struct device *parent;
     99 	struct cfdata *cf;
    100 	void *aux;
    101 {
    102 #endif
    103 	struct scsipi_link *sc_link = aux;
    104 
    105 	if (sc_link == NULL)
    106 		return 0;
    107 	if (sc_link->type != BUS_ATAPI)
    108 		return 0;
    109 	return 1;
    110 }
    111 
    112 int
    113 #ifdef __BROKEN_INDIRECT_CONFIG
    114 atapibussubmatch(parent, match, aux)
    115 	struct device *parent;
    116 	void *match, *aux;
    117 {
    118 	struct cfdata *cf = match;
    119 #else
    120 atapibussubmatch(parent, cf, aux)
    121 	struct device *parent;
    122 	struct cfdata *cf;
    123 	void *aux;
    124 {
    125 #endif
    126 	struct scsipibus_attach_args *sa = aux;
    127 	struct scsipi_link *sc_link = sa->sa_sc_link;
    128 
    129 	if (cf->cf_loc[ATAPIBUSCF_DRIVE] != ATAPIBUSCF_DRIVE_DEFAULT &&
    130 		cf->cf_loc[ATAPIBUSCF_DRIVE] != sc_link->scsipi_atapi.drive)
    131 		return 0;
    132 	return ((*cf->cf_attach->ca_match)(parent, cf, aux));
    133 }
    134 
    135 
    136 #if 0
    137 void
    138 atapi_fixquirk(sc_link)
    139         struct scsipi_link *ad_link;
    140 {
    141         struct atapi_identify *id = &ad_link->id;
    142         struct atapi_quirk_inquiry_pattern *quirk;
    143 
    144 
    145         /*
    146          * Clean up the model name, serial and
    147          * revision numbers.
    148          */
    149         btrim(id->model, sizeof(id->model));
    150         btrim(id->serial_number, sizeof(id->serial_number));
    151         btrim(id->firmware_revision, sizeof(id->firmware_revision));
    152 
    153 }
    154 #endif
    155 
    156 
    157 void
    158 atapibusattach(parent, self, aux)
    159         struct device *parent, *self;
    160         void *aux;
    161 {
    162 	struct atapibus_softc *ab = (struct atapibus_softc *)self;
    163 	struct scsipi_link *sc_link_proto = aux;
    164 	int nbytes;
    165 
    166 	printf("\n");
    167 
    168 	sc_link_proto->scsipi_atapi.atapibus = ab->sc_dev.dv_unit;
    169 	sc_link_proto->scsipi_cmd = atapi_scsipi_cmd;
    170 	sc_link_proto->scsipi_interpret_sense = atapi_interpret_sense;
    171 	sc_link_proto->sc_print_addr = atapi_print_addr;
    172 
    173 	ab->adapter_link = sc_link_proto;
    174 
    175 	nbytes =  2 * sizeof(struct scsipi_link **);
    176 	ab->sc_link = (struct scsipi_link **)malloc(nbytes, M_DEVBUF,
    177 	    M_NOWAIT);
    178 	if (ab->sc_link == NULL)
    179 		panic("scsibusattach: can't allocate target links");
    180 	bzero(ab->sc_link, nbytes);
    181 	atapi_probe_bus(ab->sc_dev.dv_unit, -1);
    182 }
    183 
    184 int
    185 atapi_probe_bus(bus, target)
    186 int bus, target;
    187 {
    188 	int maxtarget, mintarget;
    189 	struct atapibus_softc *atapi;
    190 	if (bus < 0 || bus >= atapibus_cd.cd_ndevs)
    191 		return ENXIO;
    192 	atapi = atapibus_cd.cd_devs[bus];
    193 	if (!atapi)
    194 		return ENXIO;
    195 
    196 	if (target == -1) {
    197 		maxtarget = 1;
    198 		mintarget = 0;
    199 	} else {
    200 		if (target < 0 || target > 1)
    201 			return ENXIO;
    202 		maxtarget = mintarget = target;
    203 	}
    204 	for (target = mintarget; target <= maxtarget; target++) {
    205 		atapi_probedev(atapi, target);
    206 	}
    207 	return 0;
    208 }
    209 
    210 void
    211 atapi_probedev(atapi, target)
    212 	struct atapibus_softc *atapi;
    213 	int target;
    214 {
    215 	struct scsipi_link *sc_link;
    216 	struct scsipibus_attach_args sa;
    217 	struct atapi_identify ids;
    218 	struct atapi_identify *id = &ids;
    219 	struct cfdata *cf;
    220 	struct scsi_quirk_inquiry_pattern *finger;
    221 	int priority;
    222 	char serial_number[20], model[40], firmware_revision[8];
    223 
    224 	/* skip if already attached */
    225 	if (atapi->sc_link[target])
    226 		return;
    227 
    228 	if (wdc_atapi_get_params(atapi->adapter_link, target, id)) {
    229 #ifdef ATAPI_DEBUG_PROBE
    230 		printf("%s drive %d: cmdsz 0x%x drqtype 0x%x\n",
    231 		    atapi->sc_dev.dv_xname, target,
    232 		    id->config.cmd_drq_rem & ATAPI_PACKET_SIZE_MASK,
    233 		    id->config.cmd_drq_rem & ATAPI_DRQ_MASK);
    234 #endif
    235 		/*
    236 		 * Shuffle string byte order.
    237 		 * Mitsumi and NEC drives don't need this.
    238 		 */
    239 		if (((id->model[0] == 'N' && id->model[1] == 'E') ||
    240 		    (id->model[0] == 'F' && id->model[1] == 'X')) == 0)
    241 			bswap(id->model, sizeof(id->model));
    242 		bswap(id->serial_number, sizeof(id->serial_number));
    243 		bswap(id->firmware_revision, sizeof(id->firmware_revision));
    244 
    245 		/*
    246 		 * Allocate a device link and try and attach
    247 		 * a driver to this device.  If we fail, free
    248 		 * the link.
    249 		 */
    250 		sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT);
    251 		if (sc_link == NULL) {
    252 			printf("%s: can't allocate link for drive %d\n",
    253 			    atapi->sc_dev.dv_xname, target);
    254 			return;
    255 		}
    256 		/* Fill in link. */
    257 		*sc_link = *atapi->adapter_link;
    258 		sc_link->scsipi_atapi.drive = target;
    259 		sc_link->device = NULL;
    260 #if defined(SCSIDEBUG) && DEBUGTYPE == BUS_ATAPI
    261 		if (DEBUGTARGET == -1 || target == DEBUGTARGET)
    262 			sc_link->flags |= DEBUGLEVEL;
    263 #endif /* SCSIDEBUG */
    264 		if (id->config.cmd_drq_rem & ATAPI_PACKET_SIZE_16)
    265 			sc_link->scsipi_atapi.cap |= ACAP_LEN;
    266 		sc_link->scsipi_atapi.cap |=
    267 		    (id->config.cmd_drq_rem & ATAPI_DRQ_MASK) << 3;
    268 #if 0
    269 		bcopy(id, &ad_link->id, sizeof(*id));
    270 		/* Fix strings and look through the quirk table. */
    271 		atapi_fixquirk(ad_link, id);
    272 #endif
    273 		sa.sa_sc_link = sc_link;
    274 		sa.sa_inqbuf.type =  id->config.device_type & SID_TYPE;
    275 		sa.sa_inqbuf.removable =
    276 		    id->config.cmd_drq_rem & ATAPI_REMOVABLE ?
    277 		    T_REMOV : T_FIXED;
    278 		if (sa.sa_inqbuf.removable)
    279 			sc_link->flags |= SDEV_REMOVABLE;
    280 		scsipi_strvis(model, id->model, 40);
    281 		scsipi_strvis(serial_number, id->serial_number, 20);
    282 		scsipi_strvis(firmware_revision, id->firmware_revision, 8);
    283 		sa.sa_inqbuf.vendor = model;
    284 		sa.sa_inqbuf.product = serial_number;
    285 		sa.sa_inqbuf.revision = firmware_revision;
    286 
    287 		finger = (struct scsi_quirk_inquiry_pattern *)scsipi_inqmatch(
    288 		    &sa.sa_inqbuf, (caddr_t)atapi_quirk_patterns,
    289 		    sizeof(atapi_quirk_patterns) /
    290 		      sizeof(atapi_quirk_patterns[0]),
    291 		    sizeof(atapi_quirk_patterns[0]), &priority);
    292 		if (priority != 0)
    293 			sc_link->quirks |= finger->quirks;
    294 
    295 		if ((cf = config_search(atapibussubmatch, &atapi->sc_dev,
    296 		    &sa)) != 0) {
    297 			atapi->sc_link[target] = sc_link;
    298 			config_attach(&atapi->sc_dev, cf, &sa, atapibusprint);
    299 			return;
    300 		} else {
    301 			atapibusprint(&sa, atapi->sc_dev.dv_xname);
    302 			printf(" not configured\n");
    303 			free(sc_link, M_DEVBUF);
    304 			return;
    305 		}
    306 
    307 #if 0 /* WAS: */
    308 		/* Try to find a match. */
    309 		if (config_found(self, ad_link, atapiprint) == NULL)
    310 			free(ad_link, M_DEVBUF);
    311 #endif
    312 	}
    313 }
    314 
    315 int
    316 atapibusprint(aux, pnp)
    317 	void *aux;
    318 	const char *pnp;
    319 {
    320 	struct scsipibus_attach_args *sa = aux;
    321 	struct scsipi_inquiry_pattern *inqbuf;
    322 	char *dtype;
    323 
    324 	if (pnp != NULL)
    325 		printf("%s", pnp);
    326 
    327 	inqbuf = &sa->sa_inqbuf;
    328 
    329 	dtype = scsipi_dtype(inqbuf->type & SID_TYPE);
    330 	printf(" drive %d: <%s, %s, %s> type %d %s %s",
    331 	    sa->sa_sc_link->scsipi_atapi.drive,inqbuf->vendor,
    332 	    inqbuf->product, inqbuf->revision, inqbuf->type, dtype,
    333 	    inqbuf->removable ? "removable" : "fixed");
    334 	return (UNCONF);
    335 }
    336