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wdc_pcmcia.c revision 1.89
      1 /*	$NetBSD: wdc_pcmcia.c,v 1.89 2004/08/12 22:39:41 thorpej Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1998, 2003, 2004 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/cdefs.h>
     40 __KERNEL_RCSID(0, "$NetBSD: wdc_pcmcia.c,v 1.89 2004/08/12 22:39:41 thorpej Exp $");
     41 
     42 #include <sys/param.h>
     43 #include <sys/device.h>
     44 #include <sys/malloc.h>
     45 #include <sys/systm.h>
     46 
     47 #include <machine/bus.h>
     48 #include <machine/intr.h>
     49 
     50 #include <dev/pcmcia/pcmciareg.h>
     51 #include <dev/pcmcia/pcmciavar.h>
     52 #include <dev/pcmcia/pcmciadevs.h>
     53 
     54 #include <dev/ic/wdcreg.h>
     55 #include <dev/ata/atavar.h>
     56 #include <dev/ic/wdcvar.h>
     57 
     58 #define WDC_PCMCIA_REG_NPORTS      8
     59 #define WDC_PCMCIA_AUXREG_OFFSET   (WDC_PCMCIA_REG_NPORTS + 6)
     60 #define WDC_PCMCIA_AUXREG_NPORTS   2
     61 
     62 struct wdc_pcmcia_softc {
     63 	struct wdc_softc sc_wdcdev;
     64 	struct wdc_channel *wdc_chanlist[1];
     65 	struct wdc_channel wdc_channel;
     66 	struct ata_queue wdc_chqueue;
     67 
     68 	struct pcmcia_function *sc_pf;
     69 	void *sc_ih;
     70 
     71 	int sc_state;
     72 #define WDC_PCMCIA_ATTACHED	3
     73 };
     74 
     75 static int wdc_pcmcia_match	__P((struct device *, struct cfdata *, void *));
     76 static int wdc_pcmcia_validate_config_io __P((struct pcmcia_config_entry *));
     77 static int wdc_pcmcia_validate_config_memory __P((struct pcmcia_config_entry *));
     78 static void wdc_pcmcia_attach	__P((struct device *, struct device *, void *));
     79 static int wdc_pcmcia_detach	__P((struct device *, int));
     80 
     81 CFATTACH_DECL(wdc_pcmcia, sizeof(struct wdc_pcmcia_softc),
     82     wdc_pcmcia_match, wdc_pcmcia_attach, wdc_pcmcia_detach, wdcactivate);
     83 
     84 const struct pcmcia_product wdc_pcmcia_products[] = {
     85 	{ PCMCIA_VENDOR_DIGITAL,
     86 	  PCMCIA_PRODUCT_DIGITAL_MOBILE_MEDIA_CDROM,
     87 	  {NULL, "Digital Mobile Media CD-ROM", NULL, NULL} },
     88 
     89 	{ PCMCIA_VENDOR_IBM,
     90 	  PCMCIA_PRODUCT_IBM_PORTABLE_CDROM,
     91 	  {NULL, "PCMCIA Portable CD-ROM Drive", NULL, NULL} },
     92 
     93 	/* The TEAC IDE/Card II is used on the Sony Vaio */
     94 	{ PCMCIA_VENDOR_TEAC,
     95 	  PCMCIA_PRODUCT_TEAC_IDECARDII,
     96 	  PCMCIA_CIS_TEAC_IDECARDII },
     97 
     98 	/*
     99 	 * A fujitsu rebranded panasonic drive that reports
    100 	 * itself as function "scsi", disk interface 0
    101 	 */
    102 	{ PCMCIA_VENDOR_PANASONIC,
    103 	  PCMCIA_PRODUCT_PANASONIC_KXLC005,
    104 	  PCMCIA_CIS_PANASONIC_KXLC005 },
    105 
    106 	/*
    107 	 * EXP IDE/ATAPI DVD Card use with some DVD players.
    108 	 * Does not have a vendor ID or product ID.
    109 	 */
    110 	{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
    111 	  PCMCIA_CIS_EXP_EXPMULTIMEDIA },
    112 
    113 	/* Mobile Dock 2, neither vendor ID nor product ID */
    114 	{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
    115 	  {"SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", NULL, NULL} },
    116 
    117 	/* Toshiba Portege 3110 CD, neither vendor ID nor product ID */
    118 	{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
    119 	  {"FREECOM", "PCCARD-IDE", NULL, NULL} },
    120 
    121 	/* Random CD-ROM, (badged AMACOM), neither vendor ID nor product ID */
    122 	{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
    123 	  {"PCMCIA", "CD-ROM", NULL, NULL} },
    124 
    125 	/* IO DATA CBIDE2, with neither vendor ID nor product ID */
    126 	{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
    127 	  PCMCIA_CIS_IODATA_CBIDE2 },
    128 
    129 	/* TOSHIBA PA2673U(IODATA_CBIDE2 OEM), */
    130 	/*  with neither vendor ID nor product ID */
    131 	{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
    132 	  PCMCIA_CIS_TOSHIBA_CBIDE2 },
    133 
    134 	/*
    135 	 * Novac PCMCIA-IDE Card for HD530P IDE Box,
    136 	 * with neither vendor ID nor product ID
    137 	 */
    138 	{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
    139 	  {"PCMCIA", "PnPIDE", NULL, NULL} },
    140 };
    141 const size_t wdc_pcmcia_nproducts =
    142     sizeof(wdc_pcmcia_products) / sizeof(wdc_pcmcia_products[0]);
    143 
    144 int	wdc_pcmcia_enable __P((struct device *, int));
    145 void	wdc_pcmcia_datain_memory __P((struct wdc_channel *, int, void *,
    146 	    size_t));
    147 void	wdc_pcmcia_dataout_memory __P((struct wdc_channel *, int, void *,
    148 	    size_t));
    149 
    150 static int
    151 wdc_pcmcia_match(parent, match, aux)
    152 	struct device *parent;
    153 	struct cfdata *match;
    154 	void *aux;
    155 {
    156 	struct pcmcia_attach_args *pa = aux;
    157 
    158 	if (pa->pf->function == PCMCIA_FUNCTION_DISK &&
    159 	    pa->pf->pf_funce_disk_interface == PCMCIA_TPLFE_DDI_PCCARD_ATA)
    160 		return (1);
    161 	if (pcmcia_product_lookup(pa, wdc_pcmcia_products, wdc_pcmcia_nproducts,
    162 	    sizeof(wdc_pcmcia_products[0]), NULL))
    163 		return (2);
    164 	return (0);
    165 }
    166 
    167 static int
    168 wdc_pcmcia_validate_config_io(cfe)
    169 	struct pcmcia_config_entry *cfe;
    170 {
    171 	if (cfe->iftype != PCMCIA_IFTYPE_IO ||
    172 	    cfe->num_iospace < 1 || cfe->num_iospace > 2)
    173 		return (EINVAL);
    174 	cfe->num_memspace = 0;
    175 	return (0);
    176 }
    177 
    178 static int
    179 wdc_pcmcia_validate_config_memory(cfe)
    180 	struct pcmcia_config_entry *cfe;
    181 {
    182 	if (cfe->iftype != PCMCIA_IFTYPE_MEMORY ||
    183 	    cfe->num_memspace > 1 ||
    184 	    cfe->memspace[0].length < 2048)
    185 		return (EINVAL);
    186 	cfe->num_iospace = 0;
    187 	return (0);
    188 }
    189 
    190 static void
    191 wdc_pcmcia_attach(parent, self, aux)
    192 	struct device *parent;
    193 	struct device *self;
    194 	void *aux;
    195 {
    196 	struct wdc_pcmcia_softc *sc = (void *)self;
    197 	struct pcmcia_attach_args *pa = aux;
    198 	struct pcmcia_config_entry *cfe;
    199 	bus_size_t offset;
    200 	int i;
    201 	int error;
    202 
    203 	sc->sc_pf = pa->pf;
    204 
    205 	error = pcmcia_function_configure(pa->pf,
    206 	    wdc_pcmcia_validate_config_io);
    207 	if (error)
    208 		/*XXXmem16|common*/
    209 		error = pcmcia_function_configure(pa->pf,
    210 		    wdc_pcmcia_validate_config_memory);
    211 	if (error) {
    212 		aprint_error("%s: configure failed, error=%d\n", self->dv_xname,
    213 		    error);
    214 		return;
    215 	}
    216 
    217 	cfe = pa->pf->cfe;
    218 	sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16;
    219 
    220 	if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) {
    221 		sc->wdc_channel.cmd_iot = cfe->memspace[0].handle.memt;
    222 		sc->wdc_channel.cmd_baseioh = cfe->memspace[0].handle.memh;
    223 		offset = cfe->memspace[0].offset;
    224 		sc->wdc_channel.ctl_iot = cfe->memspace[0].handle.memt;
    225 		if (bus_space_subregion(cfe->memspace[0].handle.memt,
    226 		    cfe->memspace[0].handle.memh,
    227 		    offset + WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS,
    228 		    &sc->wdc_channel.ctl_ioh))
    229 			goto fail;
    230 	} else {
    231 		sc->wdc_channel.cmd_iot = cfe->iospace[0].handle.iot;
    232 		sc->wdc_channel.cmd_baseioh = cfe->iospace[0].handle.ioh;
    233 		offset = 0;
    234 		if (cfe->num_iospace == 1) {
    235 			sc->wdc_channel.ctl_iot = cfe->iospace[0].handle.iot;
    236 			if (bus_space_subregion(cfe->iospace[0].handle.iot,
    237 			    cfe->iospace[0].handle.ioh,
    238 			    WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS,
    239 			    &sc->wdc_channel.ctl_ioh))
    240 				goto fail;
    241 		} else {
    242 			sc->wdc_channel.ctl_iot = cfe->iospace[1].handle.iot;
    243 			sc->wdc_channel.ctl_ioh = cfe->iospace[1].handle.ioh;
    244 		}
    245 	}
    246 
    247 	for (i = 0; i < WDC_PCMCIA_REG_NPORTS; i++) {
    248 		if (bus_space_subregion(sc->wdc_channel.cmd_iot,
    249 		    sc->wdc_channel.cmd_baseioh,
    250 		    offset + i, i == 0 ? 4 : 1,
    251 		    &sc->wdc_channel.cmd_iohs[i]) != 0) {
    252 			aprint_error("%s: can't subregion I/O space\n",
    253 			    self->dv_xname);
    254 			goto fail2;
    255 		}
    256 	}
    257 
    258 	if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) {
    259 		aprint_normal("%s: memory mapped mode\n", self->dv_xname);
    260 		sc->wdc_channel.data32iot = cfe->memspace[0].handle.memt;
    261 		if (bus_space_subregion(cfe->memspace[0].handle.memt,
    262 		    cfe->memspace[0].handle.memh, offset + 1024, 1024,
    263 		    &sc->wdc_channel.data32ioh))
    264 			goto fail;
    265 		sc->sc_wdcdev.datain_pio = wdc_pcmcia_datain_memory;
    266 		sc->sc_wdcdev.dataout_pio = wdc_pcmcia_dataout_memory;
    267 		sc->sc_wdcdev.cap |= WDC_CAPABILITY_NOIRQ;
    268 	} else {
    269 		aprint_normal("%s: i/o mapped mode\n", self->dv_xname);
    270 		sc->wdc_channel.data32iot = sc->wdc_channel.cmd_iot;
    271 		sc->wdc_channel.data32ioh = sc->wdc_channel.cmd_iohs[wd_data];
    272 		sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA32;
    273 	}
    274 
    275 	error = wdc_pcmcia_enable(self, 1);
    276 	if (error)
    277 		goto fail;
    278 
    279 	wdc_init_shadow_regs(&sc->wdc_channel);
    280 	sc->sc_wdcdev.PIO_cap = 0;
    281 	sc->wdc_chanlist[0] = &sc->wdc_channel;
    282 	sc->sc_wdcdev.channels = sc->wdc_chanlist;
    283 	sc->sc_wdcdev.nchannels = 1;
    284 	sc->wdc_channel.ch_channel = 0;
    285 	sc->wdc_channel.ch_wdc = &sc->sc_wdcdev;
    286 	sc->wdc_channel.ch_queue = &sc->wdc_chqueue;
    287 
    288 	/* We can enable and disable the controller. */
    289 	sc->sc_wdcdev.sc_atapi_adapter._generic.adapt_enable =
    290 	    wdc_pcmcia_enable;
    291 	sc->sc_wdcdev.sc_atapi_adapter._generic.adapt_refcnt = 1;
    292 
    293 	wdcattach(&sc->wdc_channel);
    294 	ata_delref(&sc->wdc_channel);
    295 	sc->sc_state = WDC_PCMCIA_ATTACHED;
    296 	return;
    297 
    298 fail2:
    299 	wdc_pcmcia_enable(self, 0);
    300 fail:
    301 	pcmcia_function_unconfigure(pa->pf);
    302 }
    303 
    304 int
    305 wdc_pcmcia_detach(self, flags)
    306 	struct device *self;
    307 	int flags;
    308 {
    309 	struct wdc_pcmcia_softc *sc = (struct wdc_pcmcia_softc *)self;
    310 	int error;
    311 
    312 	if (sc->sc_state != WDC_PCMCIA_ATTACHED)
    313 		return (0);
    314 
    315 	if ((error = wdcdetach(self, flags)) != 0)
    316 		return (error);
    317 
    318 	pcmcia_function_unconfigure(sc->sc_pf);
    319 
    320 	return (0);
    321 }
    322 
    323 int
    324 wdc_pcmcia_enable(self, onoff)
    325 	struct device *self;
    326 	int onoff;
    327 {
    328 	struct wdc_pcmcia_softc *sc = (void *)self;
    329 	int error;
    330 
    331 	if (onoff) {
    332 		/* Establish the interrupt handler. */
    333 		sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO,
    334 		    wdcintr, &sc->wdc_channel);
    335 		if (!sc->sc_ih)
    336 			return (EIO);
    337 
    338 		error = pcmcia_function_enable(sc->sc_pf);
    339 		if (error) {
    340 			pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
    341 			sc->sc_ih = 0;
    342 			return (error);
    343 		}
    344 	} else {
    345 		pcmcia_function_disable(sc->sc_pf);
    346 		pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
    347 		sc->sc_ih = 0;
    348 	}
    349 
    350 	return (0);
    351 }
    352 
    353 void
    354 wdc_pcmcia_datain_memory(chp, flags, buf, len)
    355 	struct wdc_channel *chp;
    356 	int flags;
    357 	void *buf;
    358 	size_t len;
    359 {
    360 
    361 	while (len > 0) {
    362 		size_t n;
    363 
    364 		n = min(len, 1024);
    365 		if ((flags & DRIVE_CAP32) && (n & 3) == 0)
    366 			bus_space_read_region_stream_4(chp->data32iot,
    367 			    chp->data32ioh, 0, buf, n >> 2);
    368 		else
    369 			bus_space_read_region_stream_2(chp->data32iot,
    370 			    chp->data32ioh, 0, buf, n >> 1);
    371 		buf = (char *)buf + n;
    372 		len -= n;
    373 	}
    374 }
    375 
    376 void
    377 wdc_pcmcia_dataout_memory(chp, flags, buf, len)
    378 	struct wdc_channel *chp;
    379 	int flags;
    380 	void *buf;
    381 	size_t len;
    382 {
    383 
    384 	while (len > 0) {
    385 		size_t n;
    386 
    387 		n = min(len, 1024);
    388 		if ((flags & DRIVE_CAP32) && (n & 3) == 0)
    389 			bus_space_write_region_stream_4(chp->data32iot,
    390 			    chp->data32ioh, 0, buf, n >> 2);
    391 		else
    392 			bus_space_write_region_stream_2(chp->data32iot,
    393 			    chp->data32ioh, 0, buf, n >> 1);
    394 		buf = (char *)buf + n;
    395 		len -= n;
    396 	}
    397 }
    398