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wdc_pcmcia.c revision 1.21
      1 /*	$NetBSD: wdc_pcmcia.c,v 1.21 1999/09/23 11:04:33 enami Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Charles M. Hannum, by Onno van der Linden and by Manuel Bouyer.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/param.h>
     40 #include <sys/systm.h>
     41 #include <sys/kernel.h>
     42 #include <sys/conf.h>
     43 #include <sys/file.h>
     44 #include <sys/stat.h>
     45 #include <sys/ioctl.h>
     46 #include <sys/buf.h>
     47 #include <sys/uio.h>
     48 #include <sys/malloc.h>
     49 #include <sys/device.h>
     50 #include <sys/disklabel.h>
     51 #include <sys/disk.h>
     52 #include <sys/syslog.h>
     53 #include <sys/proc.h>
     54 
     55 #include <vm/vm.h>
     56 
     57 #include <machine/cpu.h>
     58 #include <machine/intr.h>
     59 #include <machine/bus.h>
     60 
     61 #include <dev/pcmcia/pcmciareg.h>
     62 #include <dev/pcmcia/pcmciavar.h>
     63 #include <dev/pcmcia/pcmciadevs.h>
     64 
     65 #include <dev/ata/atavar.h>
     66 #include <dev/ic/wdcvar.h>
     67 
     68 #define WDC_PCMCIA_REG_NPORTS      8
     69 #define WDC_PCMCIA_AUXREG_OFFSET   (WDC_PCMCIA_REG_NPORTS + 6)
     70 #define WDC_PCMCIA_AUXREG_NPORTS   2
     71 
     72 struct wdc_pcmcia_softc {
     73 	struct wdc_softc sc_wdcdev;
     74 	struct channel_softc *wdc_chanptr;
     75 	struct channel_softc wdc_channel;
     76 	struct pcmcia_io_handle sc_pioh;
     77 	struct pcmcia_io_handle sc_auxpioh;
     78 	int sc_iowindow;
     79 	int sc_auxiowindow;
     80 	void *sc_ih;
     81 	struct pcmcia_function *sc_pf;
     82 };
     83 
     84 static int wdc_pcmcia_match	__P((struct device *, struct cfdata *, void *));
     85 static void wdc_pcmcia_attach	__P((struct device *, struct device *, void *));
     86 static int wdc_pcmcia_detach	__P((struct device *, int));
     87 
     88 struct cfattach wdc_pcmcia_ca = {
     89 	sizeof(struct wdc_pcmcia_softc), wdc_pcmcia_match, wdc_pcmcia_attach,
     90 	wdc_pcmcia_detach, wdcactivate
     91 };
     92 
     93 struct wdc_pcmcia_product {
     94 	u_int32_t	wpp_vendor;	/* vendor ID */
     95 	u_int32_t	wpp_product;	/* product ID */
     96 	int		wpp_quirk_flag;	/* Quirk flags */
     97 #define WDC_PCMCIA_FORCE_16BIT_IO	0x01 /* Don't use PCMCIA_WIDTH_AUTO */
     98 #define WDC_PCMCIA_NO_EXTRA_RESETS	0x02 /* Only reset ctrl once */
     99 	const char	*wpp_cis_info[4];	/* XXX necessary? */
    100 	const char	*wpp_name;	/* product name */
    101 } wdc_pcmcia_products[] = {
    102 
    103 	{ /* PCMCIA_VENDOR_DIGITAL XXX */ 0x0100,
    104 	  PCMCIA_PRODUCT_DIGITAL_MOBILE_MEDIA_CDROM,
    105 	  0, { NULL, "Digital Mobile Media CD-ROM", NULL, NULL },
    106 	  PCMCIA_STR_DIGITAL_MOBILE_MEDIA_CDROM },
    107 
    108 	{ PCMCIA_VENDOR_IBM,
    109 	  PCMCIA_PRODUCT_IBM_PORTABLE_CDROM_DRIVE,
    110 	  0, { NULL, "PCMCIA Portable CD-ROM Drive", NULL, NULL },
    111 	  PCMCIA_STR_IBM_PORTABLE_CDROM_DRIVE },
    112 
    113 	{ PCMCIA_VENDOR_HAGIWARASYSCOM,
    114 	  -1,			/* XXX */
    115 	  WDC_PCMCIA_FORCE_16BIT_IO,
    116 	  { NULL, NULL, NULL, NULL },
    117 	  "Hagiwara SYS-COM CompactFlash Card" },
    118 
    119 	/* The TEAC IDE/Card II is used on the Sony Vaio */
    120 	{ PCMCIA_VENDOR_TEAC,
    121 	  PCMCIA_PRODUCT_TEAC_IDECARDII,
    122 	  WDC_PCMCIA_NO_EXTRA_RESETS,
    123 	  PCMCIA_CIS_TEAC_IDECARDII,
    124 	  PCMCIA_STR_TEAC_IDECARDII },
    125 
    126 	{ 0, 0, 0, { NULL, NULL, NULL, NULL}, NULL }
    127 };
    128 
    129 struct wdc_pcmcia_disk_device_interface_args {
    130 	int ddi_type;		/* interface type */
    131 	int ddi_reqfn;		/* function we are requesting iftype */
    132 	int ddi_curfn;		/* function we are currently parsing in CIS */
    133 };
    134 
    135 int	wdc_pcmcia_disk_device_interface_callback __P((struct pcmcia_tuple *,
    136 	    void *));
    137 int	wdc_pcmcia_disk_device_interface __P((struct pcmcia_function *));
    138 struct wdc_pcmcia_product *
    139 	wdc_pcmcia_lookup __P((struct pcmcia_attach_args *));
    140 
    141 int	wdc_pcmcia_enable __P((void *, int));
    142 
    143 int
    144 wdc_pcmcia_disk_device_interface_callback(tuple, arg)
    145 	struct pcmcia_tuple *tuple;
    146 	void *arg;
    147 {
    148 	struct wdc_pcmcia_disk_device_interface_args *ddi = arg;
    149 
    150 	switch (tuple->code) {
    151 	case PCMCIA_CISTPL_FUNCID:
    152 		ddi->ddi_curfn++;
    153 		break;
    154 
    155 	case PCMCIA_CISTPL_FUNCE:
    156 		if (ddi->ddi_reqfn != ddi->ddi_curfn)
    157 			break;
    158 
    159 		/* subcode (disk device interface), data (interface type) */
    160 		if (tuple->length < 2)
    161 			break;
    162 
    163 		/* check type */
    164 		if (pcmcia_tuple_read_1(tuple, 0) !=
    165 		    PCMCIA_TPLFE_TYPE_DISK_DEVICE_INTERFACE)
    166 			break;
    167 
    168 		ddi->ddi_type = pcmcia_tuple_read_1(tuple, 1);
    169 		return (1);
    170 	}
    171 	return (0);
    172 }
    173 
    174 int
    175 wdc_pcmcia_disk_device_interface(pf)
    176 	struct pcmcia_function *pf;
    177 {
    178 	struct wdc_pcmcia_disk_device_interface_args ddi;
    179 
    180 	ddi.ddi_reqfn = pf->number;
    181 	ddi.ddi_curfn = -1;
    182 	if (pcmcia_scan_cis((struct device *)pf->sc,
    183 	    wdc_pcmcia_disk_device_interface_callback, &ddi) > 0)
    184 		return (ddi.ddi_type);
    185 	else
    186 		return (-1);
    187 }
    188 
    189 struct wdc_pcmcia_product *
    190 wdc_pcmcia_lookup(pa)
    191 	struct pcmcia_attach_args *pa;
    192 {
    193 	struct wdc_pcmcia_product *wpp;
    194 	int i, cis_match;
    195 
    196 	for (wpp = wdc_pcmcia_products; wpp->wpp_name != NULL; wpp++)
    197 		if ((wpp->wpp_vendor == -1 ||
    198 		     pa->manufacturer == wpp->wpp_vendor) &&
    199 		    (wpp->wpp_product == -1 ||
    200 		     pa->product == wpp->wpp_product)) {
    201 			cis_match = 1;
    202 			for (i = 0; i < 4; i++) {
    203 				if (!(wpp->wpp_cis_info[i] == NULL ||
    204 				      (pa->card->cis1_info[i] != NULL &&
    205 				       strcmp(pa->card->cis1_info[i],
    206 					      wpp->wpp_cis_info[i]) == 0)))
    207 					cis_match = 0;
    208 			}
    209 			if (cis_match)
    210 				return (wpp);
    211 		}
    212 
    213 	return (NULL);
    214 }
    215 
    216 static int
    217 wdc_pcmcia_match(parent, match, aux)
    218 	struct device *parent;
    219 	struct cfdata *match;
    220 	void *aux;
    221 {
    222 	struct pcmcia_attach_args *pa = aux;
    223 	struct pcmcia_softc *sc;
    224 	int iftype;
    225 
    226 	if (wdc_pcmcia_lookup(pa) != NULL)
    227 		return (1);
    228 
    229 	if (pa->pf->function == PCMCIA_FUNCTION_DISK) {
    230 		sc = pa->pf->sc;
    231 
    232 		pcmcia_chip_socket_enable(sc->pct, sc->pch);
    233 		iftype = wdc_pcmcia_disk_device_interface(pa->pf);
    234 		pcmcia_chip_socket_disable(sc->pct, sc->pch);
    235 
    236 		if (iftype == PCMCIA_TPLFE_DDI_PCCARD_ATA)
    237 			return (1);
    238 	}
    239 
    240 	return (0);
    241 }
    242 
    243 static void
    244 wdc_pcmcia_attach(parent, self, aux)
    245 	struct device *parent;
    246 	struct device *self;
    247 	void *aux;
    248 {
    249 	struct wdc_pcmcia_softc *sc = (void *)self;
    250 	struct pcmcia_attach_args *pa = aux;
    251 	struct pcmcia_config_entry *cfe;
    252 	struct wdc_pcmcia_product *wpp;
    253 	int quirks;
    254 
    255 	sc->sc_pf = pa->pf;
    256 
    257 	for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL;
    258 	    cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
    259 		if (cfe->num_iospace != 1 && cfe->num_iospace != 2)
    260 			continue;
    261 
    262 		if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
    263 		    cfe->iospace[0].length,
    264 		    cfe->iospace[0].start == 0 ? cfe->iospace[0].length : 0,
    265 		    &sc->sc_pioh))
    266 			continue;
    267 
    268 		if (cfe->num_iospace == 2) {
    269 			if (!pcmcia_io_alloc(pa->pf, cfe->iospace[1].start,
    270 			    cfe->iospace[1].length, 0, &sc->sc_auxpioh))
    271 				break;
    272 		} else /* num_iospace == 1 */ {
    273 			sc->sc_auxpioh.iot = sc->sc_pioh.iot;
    274 			if (!bus_space_subregion(sc->sc_pioh.iot,
    275 			    sc->sc_pioh.ioh, WDC_PCMCIA_AUXREG_OFFSET,
    276 			    WDC_PCMCIA_AUXREG_NPORTS, &sc->sc_auxpioh.ioh))
    277 				break;
    278 		}
    279 		pcmcia_io_free(pa->pf, &sc->sc_pioh);
    280 	}
    281 
    282 	if (cfe == NULL) {
    283 		printf(": can't handle card info\n");
    284 		return;
    285 	}
    286 
    287 	/* Enable the card. */
    288 	pcmcia_function_init(pa->pf, cfe);
    289 	if (pcmcia_function_enable(pa->pf)) {
    290 		printf(": function enable failed\n");
    291 		return;
    292 	}
    293 
    294 	/*
    295 	 * XXX  DEC Mobile Media CDROM is not yet tested whether it works
    296 	 * XXX  with PCMCIA_WIDTH_IO16.  HAGIWARA SYS-COM HPC-CF32 doesn't
    297 	 * XXX  work with PCMCIA_WIDTH_AUTO.
    298 	 * XXX  CANON FC-8M (SANDISK SDCFB 8M) works for both _AUTO and IO16.
    299 	 * XXX  So, here is temporary work around.
    300 	 */
    301 	wpp = wdc_pcmcia_lookup(pa);
    302 	if (wpp != NULL)
    303 		quirks = wpp->wpp_quirk_flag;
    304 	else
    305 		quirks = 0;
    306 
    307 	if (pcmcia_io_map(pa->pf, quirks & WDC_PCMCIA_FORCE_16BIT_IO ?
    308 	    PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_AUTO, 0,
    309 	    sc->sc_pioh.size, &sc->sc_pioh, &sc->sc_iowindow)) {
    310 		printf(": can't map first I/O space\n");
    311 		return;
    312 	}
    313 
    314 	/*
    315 	 * Currently, # of iospace is 1 except DIGITAL Mobile Media CD-ROM.
    316 	 * So whether the work around like above is necessary or not
    317 	 * is unknown.  XXX.
    318 	 */
    319 	if (cfe->num_iospace > 1 &&
    320 	    pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0,
    321 	    sc->sc_auxpioh.size, &sc->sc_auxpioh, &sc->sc_auxiowindow)) {
    322 		printf(": can't map second I/O space\n");
    323 		return;
    324 	} else
    325 		sc->sc_auxiowindow = -1;
    326 
    327 	printf("\n");
    328 
    329 	sc->wdc_channel.cmd_iot = sc->sc_pioh.iot;
    330 	sc->wdc_channel.cmd_ioh = sc->sc_pioh.ioh;
    331 	sc->wdc_channel.ctl_iot = sc->sc_auxpioh.iot;
    332 	sc->wdc_channel.ctl_ioh = sc->sc_auxpioh.ioh;
    333 	sc->wdc_channel.data32iot = sc->wdc_channel.cmd_iot;
    334 	sc->wdc_channel.data32ioh = sc->wdc_channel.cmd_ioh;
    335 	sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32;
    336 	sc->sc_wdcdev.PIO_cap = 0;
    337 	sc->wdc_chanptr = &sc->wdc_channel;
    338 	sc->sc_wdcdev.channels = &sc->wdc_chanptr;
    339 	sc->sc_wdcdev.nchannels = 1;
    340 	sc->wdc_channel.channel = 0;
    341 	sc->wdc_channel.wdc = &sc->sc_wdcdev;
    342 	sc->wdc_channel.ch_queue = malloc(sizeof(struct channel_queue),
    343 	    M_DEVBUF, M_NOWAIT);
    344 	if (sc->wdc_channel.ch_queue == NULL) {
    345 		printf("%s: can't allocate memory for command queue\n",
    346 		    sc->sc_wdcdev.sc_dev.dv_xname);
    347 		return;
    348 	}
    349 	if (quirks & WDC_PCMCIA_NO_EXTRA_RESETS)
    350 		sc->sc_wdcdev.cap |= WDC_CAPABILITY_NO_EXTRA_RESETS;
    351 
    352 	/* We can enable and disable the controller. */
    353 	sc->sc_wdcdev.sc_atapi_adapter.scsipi_enable = wdc_pcmcia_enable;
    354 
    355 	/*
    356 	 * Disable the pcmcia function now; wdcattach() will enable
    357 	 * us again as it adds references to probe for children.
    358 	 */
    359 	pcmcia_function_disable(pa->pf);
    360 
    361 	wdcattach(&sc->wdc_channel);
    362 }
    363 
    364 int
    365 wdc_pcmcia_detach(self, flags)
    366 	struct device *self;
    367 	int flags;
    368 {
    369 	struct wdc_pcmcia_softc *sc = (struct wdc_pcmcia_softc *)self;
    370 	int error;
    371 
    372 	if ((error = wdcdetach(self, flags)) != 0)
    373 		return (error);
    374 
    375 	free(sc->wdc_channel.ch_queue, M_DEVBUF);
    376 
    377 	/* Unmap our i/o window and i/o space. */
    378 	pcmcia_io_unmap(sc->sc_pf, sc->sc_iowindow);
    379 	pcmcia_io_free(sc->sc_pf, &sc->sc_pioh);
    380 	if (sc->sc_auxiowindow != -1) {
    381 		pcmcia_io_unmap(sc->sc_pf, sc->sc_auxiowindow);
    382 		pcmcia_io_free(sc->sc_pf, &sc->sc_auxpioh);
    383 	}
    384 
    385 	return (0);
    386 }
    387 
    388 int
    389 wdc_pcmcia_enable(arg, onoff)
    390 	void *arg;
    391 	int onoff;
    392 {
    393 	struct wdc_pcmcia_softc *sc = arg;
    394 
    395 	if (onoff) {
    396 		/* Establish the interrupt handler. */
    397 		sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, wdcintr,
    398 		    &sc->wdc_channel);
    399 		if (sc->sc_ih == NULL) {
    400 			printf("%s: couldn't establish interrupt handler\n",
    401 			    sc->sc_wdcdev.sc_dev.dv_xname);
    402 			return (EIO);
    403 		}
    404 
    405 		if (pcmcia_function_enable(sc->sc_pf)) {
    406 			printf("%s: couldn't enable PCMCIA function\n",
    407 			    sc->sc_wdcdev.sc_dev.dv_xname);
    408 			pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
    409 			return (EIO);
    410 		}
    411 	} else {
    412 		pcmcia_function_disable(sc->sc_pf);
    413 		pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
    414 	}
    415 
    416 	return (0);
    417 }
    418