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NetBSD/sys/dev/pcmcia/wdc_pcmcia.c

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/* $NetBSD: wdc_pcmcia.c,v 1.32 2000/04/01 17:52:14 bouyer Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum, by Onno van der Linden and by Manuel Bouyer.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/systm.h>
#include <vm/vm.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/pcmcia/pcmciareg.h>
#include <dev/pcmcia/pcmciavar.h>
#include <dev/pcmcia/pcmciadevs.h>
#include <dev/ata/atavar.h>
#include <dev/ic/wdcvar.h>
#define WDC_PCMCIA_REG_NPORTS 8
#define WDC_PCMCIA_AUXREG_OFFSET (WDC_PCMCIA_REG_NPORTS + 6)
#define WDC_PCMCIA_AUXREG_NPORTS 2
struct wdc_pcmcia_softc {
struct wdc_softc sc_wdcdev;
struct channel_softc *wdc_chanptr;
struct channel_softc wdc_channel;
struct pcmcia_io_handle sc_pioh;
struct pcmcia_io_handle sc_auxpioh;
int sc_iowindow;
int sc_auxiowindow;
void *sc_ih;
struct pcmcia_function *sc_pf;
int sc_flags;
#define WDC_PCMCIA_ATTACH 0x0001
};
static int wdc_pcmcia_match __P((struct device *, struct cfdata *, void *));
static void wdc_pcmcia_attach __P((struct device *, struct device *, void *));
static int wdc_pcmcia_detach __P((struct device *, int));
struct cfattach wdc_pcmcia_ca = {
sizeof(struct wdc_pcmcia_softc), wdc_pcmcia_match, wdc_pcmcia_attach,
wdc_pcmcia_detach, wdcactivate
};
struct wdc_pcmcia_product {
u_int32_t wpp_vendor; /* vendor ID */
u_int32_t wpp_product; /* product ID */
int wpp_quirk_flag; /* Quirk flags */
#define WDC_PCMCIA_NO_EXTRA_RESETS 0x02 /* Only reset ctrl once */
const char *wpp_cis_info[4]; /* XXX necessary? */
const char *wpp_name; /* product name */
} wdc_pcmcia_products[] = {
{ /* PCMCIA_VENDOR_DIGITAL XXX */ 0x0100,
PCMCIA_PRODUCT_DIGITAL_MOBILE_MEDIA_CDROM,
0, { NULL, "Digital Mobile Media CD-ROM", NULL, NULL },
PCMCIA_STR_DIGITAL_MOBILE_MEDIA_CDROM },
{ PCMCIA_VENDOR_IBM,
PCMCIA_PRODUCT_IBM_PORTABLE_CDROM,
0, { NULL, "PCMCIA Portable CD-ROM Drive", NULL, NULL },
PCMCIA_STR_IBM_PORTABLE_CDROM },
/* The TEAC IDE/Card II is used on the Sony Vaio */
{ PCMCIA_VENDOR_TEAC,
PCMCIA_PRODUCT_TEAC_IDECARDII,
WDC_PCMCIA_NO_EXTRA_RESETS,
PCMCIA_CIS_TEAC_IDECARDII,
PCMCIA_STR_TEAC_IDECARDII },
/*
* EXP IDE/ATAPI DVD Card use with some DVD players.
* Does not have a vendor ID or product ID.
*/
{ -1,
-1,
0,
PCMCIA_CIS_EXP_EXPMULTIMEDIA,
PCMCIA_STR_EXP_EXPMULTIMEDIA },
/* Mobile Dock 2, which doesn't have vendor ID nor product ID */
{ -1, -1, 0,
{ "SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", NULL, NULL},
"SHUTTLE TECHNOLOGY IDE/ATAPI Adapter"
},
{ 0, 0, 0, { NULL, NULL, NULL, NULL}, NULL }
};
struct wdc_pcmcia_disk_device_interface_args {
int ddi_type; /* interface type */
int ddi_reqfn; /* function we are requesting iftype */
int ddi_curfn; /* function we are currently parsing in CIS */
};
int wdc_pcmcia_disk_device_interface_callback __P((struct pcmcia_tuple *,
void *));
int wdc_pcmcia_disk_device_interface __P((struct pcmcia_function *));
struct wdc_pcmcia_product *
wdc_pcmcia_lookup __P((struct pcmcia_attach_args *));
int wdc_pcmcia_enable __P((void *, int));
int
wdc_pcmcia_disk_device_interface_callback(tuple, arg)
struct pcmcia_tuple *tuple;
void *arg;
{
struct wdc_pcmcia_disk_device_interface_args *ddi = arg;
switch (tuple->code) {
case PCMCIA_CISTPL_FUNCID:
ddi->ddi_curfn++;
break;
case PCMCIA_CISTPL_FUNCE:
if (ddi->ddi_reqfn != ddi->ddi_curfn)
break;
/* subcode (disk device interface), data (interface type) */
if (tuple->length < 2)
break;
/* check type */
if (pcmcia_tuple_read_1(tuple, 0) !=
PCMCIA_TPLFE_TYPE_DISK_DEVICE_INTERFACE)
break;
ddi->ddi_type = pcmcia_tuple_read_1(tuple, 1);
return (1);
}
return (0);
}
int
wdc_pcmcia_disk_device_interface(pf)
struct pcmcia_function *pf;
{
struct wdc_pcmcia_disk_device_interface_args ddi;
ddi.ddi_reqfn = pf->number;
ddi.ddi_curfn = -1;
if (pcmcia_scan_cis((struct device *)pf->sc,
wdc_pcmcia_disk_device_interface_callback, &ddi) > 0)
return (ddi.ddi_type);
else
return (-1);
}
struct wdc_pcmcia_product *
wdc_pcmcia_lookup(pa)
struct pcmcia_attach_args *pa;
{
struct wdc_pcmcia_product *wpp;
int i, cis_match;
for (wpp = wdc_pcmcia_products; wpp->wpp_name != NULL; wpp++)
if ((wpp->wpp_vendor == -1 ||
pa->manufacturer == wpp->wpp_vendor) &&
(wpp->wpp_product == -1 ||
pa->product == wpp->wpp_product)) {
cis_match = 1;
for (i = 0; i < 4; i++) {
if (!(wpp->wpp_cis_info[i] == NULL ||
(pa->card->cis1_info[i] != NULL &&
strcmp(pa->card->cis1_info[i],
wpp->wpp_cis_info[i]) == 0)))
cis_match = 0;
}
if (cis_match)
return (wpp);
}
return (NULL);
}
static int
wdc_pcmcia_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct pcmcia_attach_args *pa = aux;
struct pcmcia_softc *sc;
int iftype;
if (wdc_pcmcia_lookup(pa) != NULL)
return (1);
if (pa->pf->function == PCMCIA_FUNCTION_DISK) {
sc = pa->pf->sc;
pcmcia_chip_socket_enable(sc->pct, sc->pch);
iftype = wdc_pcmcia_disk_device_interface(pa->pf);
pcmcia_chip_socket_disable(sc->pct, sc->pch);
if (iftype == PCMCIA_TPLFE_DDI_PCCARD_ATA)
return (1);
}
return (0);
}
static void
wdc_pcmcia_attach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct wdc_pcmcia_softc *sc = (void *)self;
struct pcmcia_attach_args *pa = aux;
struct pcmcia_config_entry *cfe;
struct wdc_pcmcia_product *wpp;
int quirks;
sc->sc_pf = pa->pf;
for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL;
cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
if (cfe->num_iospace != 1 && cfe->num_iospace != 2)
continue;
if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
cfe->iospace[0].length,
cfe->iospace[0].start == 0 ? cfe->iospace[0].length : 0,
&sc->sc_pioh))
continue;
if (cfe->num_iospace == 2) {
if (!pcmcia_io_alloc(pa->pf, cfe->iospace[1].start,
cfe->iospace[1].length, 0, &sc->sc_auxpioh))
break;
} else /* num_iospace == 1 */ {
sc->sc_auxpioh.iot = sc->sc_pioh.iot;
if (!bus_space_subregion(sc->sc_pioh.iot,
sc->sc_pioh.ioh, WDC_PCMCIA_AUXREG_OFFSET,
WDC_PCMCIA_AUXREG_NPORTS, &sc->sc_auxpioh.ioh))
break;
}
pcmcia_io_free(pa->pf, &sc->sc_pioh);
}
if (cfe == NULL) {
printf(": can't handle card info\n");
goto no_config_entry;
}
/* Enable the card. */
pcmcia_function_init(pa->pf, cfe);
if (pcmcia_function_enable(pa->pf)) {
printf(": function enable failed\n");
goto enable_failed;
}
wpp = wdc_pcmcia_lookup(pa);
if (wpp != NULL)
quirks = wpp->wpp_quirk_flag;
else
quirks = 0;
if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0,
sc->sc_pioh.size, &sc->sc_pioh, &sc->sc_iowindow)) {
printf(": can't map first I/O space\n");
goto iomap_failed;
}
if (cfe->num_iospace <= 1)
sc->sc_auxiowindow = -1;
else if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0,
sc->sc_auxpioh.size, &sc->sc_auxpioh, &sc->sc_auxiowindow)) {
printf(": can't map second I/O space\n");
goto iomapaux_failed;
}
if ((wpp != NULL) && (wpp->wpp_name != NULL))
printf(": %s", wpp->wpp_name);
printf("\n");
sc->wdc_channel.cmd_iot = sc->sc_pioh.iot;
sc->wdc_channel.cmd_ioh = sc->sc_pioh.ioh;
sc->wdc_channel.ctl_iot = sc->sc_auxpioh.iot;
sc->wdc_channel.ctl_ioh = sc->sc_auxpioh.ioh;
sc->wdc_channel.data32iot = sc->wdc_channel.cmd_iot;
sc->wdc_channel.data32ioh = sc->wdc_channel.cmd_ioh;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32;
sc->sc_wdcdev.PIO_cap = 0;
sc->wdc_chanptr = &sc->wdc_channel;
sc->sc_wdcdev.channels = &sc->wdc_chanptr;
sc->sc_wdcdev.nchannels = 1;
sc->wdc_channel.channel = 0;
sc->wdc_channel.wdc = &sc->sc_wdcdev;
sc->wdc_channel.ch_queue = malloc(sizeof(struct channel_queue),
M_DEVBUF, M_NOWAIT);
if (sc->wdc_channel.ch_queue == NULL) {
printf("%s: can't allocate memory for command queue\n",
sc->sc_wdcdev.sc_dev.dv_xname);
goto ch_queue_alloc_failed;
}
if (quirks & WDC_PCMCIA_NO_EXTRA_RESETS)
sc->sc_wdcdev.cap |= WDC_CAPABILITY_NO_EXTRA_RESETS;
/* We can enable and disable the controller. */
sc->sc_wdcdev.sc_atapi_adapter._generic.scsipi_enable =
wdc_pcmcia_enable;
sc->sc_flags |= WDC_PCMCIA_ATTACH;
wdcattach(&sc->wdc_channel); /* should return an error XXX */
sc->sc_flags &= ~WDC_PCMCIA_ATTACH;
return;
ch_queue_alloc_failed:
/* Unmap our aux i/o window. */
if (sc->sc_auxiowindow != -1)
pcmcia_io_unmap(sc->sc_pf, sc->sc_auxiowindow);
iomapaux_failed:
/* Unmap our i/o window. */
pcmcia_io_unmap(sc->sc_pf, sc->sc_iowindow);
iomap_failed:
/* Disable the function */
pcmcia_function_disable(sc->sc_pf);
enable_failed:
/* Unmap our i/o space. */
pcmcia_io_free(sc->sc_pf, &sc->sc_pioh);
if (cfe->num_iospace == 2)
pcmcia_io_free(sc->sc_pf, &sc->sc_auxpioh);
no_config_entry:
sc->sc_iowindow = -1;
}
int
wdc_pcmcia_detach(self, flags)
struct device *self;
int flags;
{
struct wdc_pcmcia_softc *sc = (struct wdc_pcmcia_softc *)self;
int error;
if (sc->sc_iowindow == -1)
/* Nothing to detach */
return (0);
if ((error = wdcdetach(self, flags)) != 0)
return (error);
if (sc->wdc_channel.ch_queue != NULL)
free(sc->wdc_channel.ch_queue, M_DEVBUF);
/* Unmap our i/o window and i/o space. */
pcmcia_io_unmap(sc->sc_pf, sc->sc_iowindow);
pcmcia_io_free(sc->sc_pf, &sc->sc_pioh);
if (sc->sc_auxiowindow != -1) {
pcmcia_io_unmap(sc->sc_pf, sc->sc_auxiowindow);
pcmcia_io_free(sc->sc_pf, &sc->sc_auxpioh);
}
return (0);
}
int
wdc_pcmcia_enable(arg, onoff)
void *arg;
int onoff;
{
struct wdc_pcmcia_softc *sc = arg;
if (onoff) {
/* See the comment in aic_pcmcia_enable */
if ((sc->sc_flags & WDC_PCMCIA_ATTACH) == 0) {
/* Establish the interrupt handler. */
sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO,
wdcintr, &sc->wdc_channel);
if (sc->sc_ih == NULL) {
printf("%s: "
"couldn't establish interrupt handler\n",
sc->sc_wdcdev.sc_dev.dv_xname);
return (EIO);
}
if (pcmcia_function_enable(sc->sc_pf)) {
printf("%s: couldn't enable PCMCIA function\n",
sc->sc_wdcdev.sc_dev.dv_xname);
pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
return (EIO);
}
wdcreset(&sc->wdc_channel, VERBOSE);
}
} else {
pcmcia_function_disable(sc->sc_pf);
if ((sc->sc_flags & WDC_PCMCIA_ATTACH) == 0)
pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
}
return (0);
}
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