386 lines
11 KiB
C
386 lines
11 KiB
C
/* $NetBSD: wdc_pcmcia.c,v 1.18 1998/12/03 18:24:31 bouyer Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Charles M. Hannum, by Onno van der Linden and by Manuel Bouyer.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/conf.h>
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#include <sys/file.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <sys/buf.h>
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#include <sys/uio.h>
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#include <sys/malloc.h>
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#include <sys/device.h>
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#include <sys/disklabel.h>
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#include <sys/disk.h>
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#include <sys/syslog.h>
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#include <sys/proc.h>
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#include <vm/vm.h>
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#include <machine/cpu.h>
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#include <machine/intr.h>
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#include <machine/bus.h>
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#include <dev/pcmcia/pcmciareg.h>
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#include <dev/pcmcia/pcmciavar.h>
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#include <dev/pcmcia/pcmciadevs.h>
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#include <dev/ata/atavar.h>
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#include <dev/ic/wdcvar.h>
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#define WDC_PCMCIA_REG_NPORTS 8
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#define WDC_PCMCIA_AUXREG_OFFSET (WDC_PCMCIA_REG_NPORTS + 6)
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#define WDC_PCMCIA_AUXREG_NPORTS 2
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struct wdc_pcmcia_softc {
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struct wdc_softc sc_wdcdev;
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struct channel_softc *wdc_chanptr;
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struct channel_softc wdc_channel;
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struct pcmcia_io_handle sc_pioh;
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struct pcmcia_io_handle sc_auxpioh;
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int sc_iowindow;
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int sc_auxiowindow;
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void *sc_ih;
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struct pcmcia_function *sc_pf;
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};
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static int wdc_pcmcia_match __P((struct device *, struct cfdata *, void *));
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static void wdc_pcmcia_attach __P((struct device *, struct device *, void *));
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struct cfattach wdc_pcmcia_ca = {
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sizeof(struct wdc_pcmcia_softc), wdc_pcmcia_match, wdc_pcmcia_attach
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};
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struct wdc_pcmcia_product {
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u_int32_t wpp_vendor; /* vendor ID */
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u_int32_t wpp_product; /* product ID */
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int wpp_quirk_flag; /* Quirk flags */
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#define WDC_PCMCIA_FORCE_16BIT_IO 0x01 /* Don't use PCMCIA_WIDTH_AUTO */
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#define WDC_PCMCIA_NO_EXTRA_RESETS 0x02 /* Only reset ctrl once */
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const char *wpp_cis_info[4]; /* XXX necessary? */
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const char *wpp_name; /* product name */
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} wdc_pcmcia_products[] = {
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{ /* PCMCIA_VENDOR_DIGITAL XXX */ 0x0100,
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PCMCIA_PRODUCT_DIGITAL_MOBILE_MEDIA_CDROM,
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0, { NULL, "Digital Mobile Media CD-ROM", NULL, NULL },
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PCMCIA_STR_DIGITAL_MOBILE_MEDIA_CDROM },
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{ PCMCIA_VENDOR_HAGIWARASYSCOM,
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-1, /* XXX */
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WDC_PCMCIA_FORCE_16BIT_IO,
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{ NULL, NULL, NULL, NULL },
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"Hagiwara SYS-COM CompactFlash Card" },
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/* The TEAC IDE/Card II is used on the Sony Vaio */
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{ PCMCIA_VENDOR_TEAC,
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PCMCIA_PRODUCT_TEAC_IDECARDII,
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WDC_PCMCIA_NO_EXTRA_RESETS,
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PCMCIA_CIS_TEAC_IDECARDII,
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PCMCIA_STR_TEAC_IDECARDII },
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{ 0, 0, 0, { NULL, NULL, NULL, NULL}, NULL }
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};
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struct wdc_pcmcia_disk_device_interface_args {
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int ddi_type; /* interface type */
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int ddi_reqfn; /* function we are requesting iftype */
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int ddi_curfn; /* function we are currently parsing in CIS */
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};
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int wdc_pcmcia_disk_device_interface_callback __P((struct pcmcia_tuple *,
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void *));
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int wdc_pcmcia_disk_device_interface __P((struct pcmcia_function *));
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struct wdc_pcmcia_product *
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wdc_pcmcia_lookup __P((struct pcmcia_attach_args *));
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int wdc_pcmcia_enable __P((void *, int));
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int
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wdc_pcmcia_disk_device_interface_callback(tuple, arg)
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struct pcmcia_tuple *tuple;
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void *arg;
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{
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struct wdc_pcmcia_disk_device_interface_args *ddi = arg;
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switch (tuple->code) {
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case PCMCIA_CISTPL_FUNCID:
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ddi->ddi_curfn++;
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break;
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case PCMCIA_CISTPL_FUNCE:
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if (ddi->ddi_reqfn != ddi->ddi_curfn)
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break;
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/* subcode (disk device interface), data (interface type) */
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if (tuple->length < 2)
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break;
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/* check type */
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if (pcmcia_tuple_read_1(tuple, 0) !=
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PCMCIA_TPLFE_TYPE_DISK_DEVICE_INTERFACE)
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break;
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ddi->ddi_type = pcmcia_tuple_read_1(tuple, 1);
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return (1);
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}
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return (0);
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}
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int
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wdc_pcmcia_disk_device_interface(pf)
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struct pcmcia_function *pf;
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{
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struct wdc_pcmcia_disk_device_interface_args ddi;
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ddi.ddi_reqfn = pf->number;
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ddi.ddi_curfn = -1;
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if (pcmcia_scan_cis((struct device *)pf->sc,
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wdc_pcmcia_disk_device_interface_callback, &ddi) > 0)
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return (ddi.ddi_type);
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else
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return (-1);
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}
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struct wdc_pcmcia_product *
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wdc_pcmcia_lookup(pa)
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struct pcmcia_attach_args *pa;
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{
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struct wdc_pcmcia_product *wpp;
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int i, cis_match;
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for (wpp = wdc_pcmcia_products; wpp->wpp_name != NULL; wpp++)
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if ((wpp->wpp_vendor == -1 ||
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pa->manufacturer == wpp->wpp_vendor) &&
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(wpp->wpp_product == -1 ||
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pa->product == wpp->wpp_product)) {
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cis_match = 1;
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for (i = 0; i < 4; i++) {
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if (!(wpp->wpp_cis_info[i] == NULL ||
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(pa->card->cis1_info[i] != NULL &&
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strcmp(pa->card->cis1_info[i],
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wpp->wpp_cis_info[i]) == 0)))
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cis_match = 0;
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}
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if (cis_match)
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return (wpp);
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}
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return (NULL);
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}
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static int
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wdc_pcmcia_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct pcmcia_attach_args *pa = aux;
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struct pcmcia_softc *sc;
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int iftype;
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if (wdc_pcmcia_lookup(pa) != NULL)
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return (1);
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if (pa->pf->function == PCMCIA_FUNCTION_DISK) {
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sc = pa->pf->sc;
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pcmcia_chip_socket_enable(sc->pct, sc->pch);
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iftype = wdc_pcmcia_disk_device_interface(pa->pf);
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pcmcia_chip_socket_disable(sc->pct, sc->pch);
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if (iftype == PCMCIA_TPLFE_DDI_PCCARD_ATA)
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return (1);
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}
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return (0);
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}
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static void
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wdc_pcmcia_attach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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struct wdc_pcmcia_softc *sc = (void *)self;
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struct pcmcia_attach_args *pa = aux;
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struct pcmcia_config_entry *cfe;
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struct wdc_pcmcia_product *wpp;
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int quirks;
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sc->sc_pf = pa->pf;
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for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL;
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cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
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if (cfe->num_iospace != 1 && cfe->num_iospace != 2)
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continue;
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if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
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cfe->iospace[0].length,
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cfe->iospace[0].start == 0 ? cfe->iospace[0].length : 0,
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&sc->sc_pioh))
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continue;
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if (cfe->num_iospace == 2) {
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if (!pcmcia_io_alloc(pa->pf, cfe->iospace[1].start,
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cfe->iospace[1].length, 0, &sc->sc_auxpioh))
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break;
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} else /* num_iospace == 1 */ {
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sc->sc_auxpioh.iot = sc->sc_pioh.iot;
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if (!bus_space_subregion(sc->sc_pioh.iot,
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sc->sc_pioh.ioh, WDC_PCMCIA_AUXREG_OFFSET,
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WDC_PCMCIA_AUXREG_NPORTS, &sc->sc_auxpioh.ioh))
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break;
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}
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pcmcia_io_free(pa->pf, &sc->sc_pioh);
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}
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if (cfe == NULL) {
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printf(": can't handle card info\n");
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return;
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}
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/* Enable the card. */
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pcmcia_function_init(pa->pf, cfe);
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if (pcmcia_function_enable(pa->pf)) {
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printf(": function enable failed\n");
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return;
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}
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/*
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* XXX DEC Mobile Media CDROM is not yet tested whether it works
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* XXX with PCMCIA_WIDTH_IO16. HAGIWARA SYS-COM HPC-CF32 doesn't
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* XXX work with PCMCIA_WIDTH_AUTO.
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* XXX CANON FC-8M (SANDISK SDCFB 8M) works for both _AUTO and IO16.
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* XXX So, here is temporary work around.
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*/
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wpp = wdc_pcmcia_lookup(pa);
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if (wpp != NULL)
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quirks = wpp->wpp_quirk_flag;
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else
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quirks = 0;
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if (pcmcia_io_map(pa->pf, quirks & WDC_PCMCIA_FORCE_16BIT_IO ?
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PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_AUTO, 0,
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sc->sc_pioh.size, &sc->sc_pioh, &sc->sc_iowindow)) {
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printf(": can't map first I/O space\n");
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return;
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}
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/*
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* Currently, # of iospace is 1 except DIGITAL Mobile Media CD-ROM.
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* So whether the work around like above is necessary or not
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* is unknown. XXX.
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*/
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if (cfe->num_iospace > 1 &&
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pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0,
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sc->sc_auxpioh.size, &sc->sc_auxpioh, &sc->sc_auxiowindow)) {
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printf(": can't map second I/O space\n");
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return;
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}
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printf("\n");
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sc->wdc_channel.cmd_iot = sc->sc_pioh.iot;
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sc->wdc_channel.cmd_ioh = sc->sc_pioh.ioh;
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sc->wdc_channel.ctl_iot = sc->sc_auxpioh.iot;
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sc->wdc_channel.ctl_ioh = sc->sc_auxpioh.ioh;
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sc->wdc_channel.data32iot = sc->wdc_channel.cmd_iot;
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sc->wdc_channel.data32ioh = sc->wdc_channel.cmd_ioh;
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sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32;
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sc->sc_wdcdev.PIO_cap = 0;
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sc->wdc_chanptr = &sc->wdc_channel;
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sc->sc_wdcdev.channels = &sc->wdc_chanptr;
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sc->sc_wdcdev.nchannels = 1;
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sc->wdc_channel.channel = 0;
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sc->wdc_channel.wdc = &sc->sc_wdcdev;
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sc->wdc_channel.ch_queue = malloc(sizeof(struct channel_queue),
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M_DEVBUF, M_NOWAIT);
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if (sc->wdc_channel.ch_queue == NULL) {
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printf("%s: can't allocate memory for command queue",
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sc->sc_wdcdev.sc_dev.dv_xname);
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return;
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}
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if (quirks & WDC_PCMCIA_NO_EXTRA_RESETS)
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sc->sc_wdcdev.cap |= WDC_CAPABILITY_NO_EXTRA_RESETS;
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/* We can enable and disable the controller. */
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sc->sc_wdcdev.sc_atapi_adapter.scsipi_enable = wdc_pcmcia_enable;
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/*
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* Disable the pcmcia function now; wdcattach() will enable
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* us again as it adds references to probe for children.
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*/
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pcmcia_function_disable(pa->pf);
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wdcattach(&sc->wdc_channel);
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}
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int
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wdc_pcmcia_enable(arg, onoff)
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void *arg;
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int onoff;
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{
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struct wdc_pcmcia_softc *sc = arg;
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if (onoff) {
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/* Establish the interrupt handler. */
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sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, wdcintr,
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&sc->wdc_channel);
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if (sc->sc_ih == NULL) {
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printf("%s: couldn't establish interrupt handler\n",
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sc->sc_wdcdev.sc_dev.dv_xname);
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return (EIO);
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}
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if (pcmcia_function_enable(sc->sc_pf)) {
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printf("%s: couldn't enable PCMCIA function\n",
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sc->sc_wdcdev.sc_dev.dv_xname);
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pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
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return (EIO);
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}
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} else {
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pcmcia_function_disable(sc->sc_pf);
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pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
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}
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return (0);
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}
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