NetBSD/sys/dev/pcmcia/wdc_pcmcia.c

384 lines
11 KiB
C

/* $NetBSD: wdc_pcmcia.c,v 1.96 2004/09/07 00:24:18 enami Exp $ */
/*-
* Copyright (c) 1998, 2003, 2004 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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: wdc_pcmcia.c,v 1.96 2004/09/07 00:24:18 enami Exp $");
#include <sys/param.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/systm.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/ic/wdcreg.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 ata_channel *wdc_chanlist[1];
struct ata_channel ata_channel;
struct ata_queue wdc_chqueue;
struct wdc_regs wdc_regs;
struct pcmcia_function *sc_pf;
void *sc_ih;
int sc_state;
#define WDC_PCMCIA_ATTACHED 3
};
static int wdc_pcmcia_match(struct device *, struct cfdata *, void *);
static int wdc_pcmcia_validate_config_io(struct pcmcia_config_entry *);
static int wdc_pcmcia_validate_config_memory(struct pcmcia_config_entry *);
static void wdc_pcmcia_attach(struct device *, struct device *, void *);
static int wdc_pcmcia_detach(struct device *, int);
CFATTACH_DECL(wdc_pcmcia, sizeof(struct wdc_pcmcia_softc),
wdc_pcmcia_match, wdc_pcmcia_attach, wdc_pcmcia_detach, wdcactivate);
static const struct pcmcia_product wdc_pcmcia_products[] = {
{ PCMCIA_VENDOR_DIGITAL,
PCMCIA_PRODUCT_DIGITAL_MOBILE_MEDIA_CDROM,
{NULL, "Digital Mobile Media CD-ROM", NULL, NULL} },
{ PCMCIA_VENDOR_IBM,
PCMCIA_PRODUCT_IBM_PORTABLE_CDROM,
{NULL, "PCMCIA Portable CD-ROM Drive", NULL, NULL} },
/* The TEAC IDE/Card II is used on the Sony Vaio */
{ PCMCIA_VENDOR_TEAC,
PCMCIA_PRODUCT_TEAC_IDECARDII,
PCMCIA_CIS_TEAC_IDECARDII },
/*
* A fujitsu rebranded panasonic drive that reports
* itself as function "scsi", disk interface 0
*/
{ PCMCIA_VENDOR_PANASONIC,
PCMCIA_PRODUCT_PANASONIC_KXLC005,
PCMCIA_CIS_PANASONIC_KXLC005 },
/*
* EXP IDE/ATAPI DVD Card use with some DVD players.
* Does not have a vendor ID or product ID.
*/
{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
PCMCIA_CIS_EXP_EXPMULTIMEDIA },
/* Mobile Dock 2, neither vendor ID nor product ID */
{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
{"SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", NULL, NULL} },
/* Toshiba Portege 3110 CD, neither vendor ID nor product ID */
{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
{"FREECOM", "PCCARD-IDE", NULL, NULL} },
/* Random CD-ROM, (badged AMACOM), neither vendor ID nor product ID */
{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
{"PCMCIA", "CD-ROM", NULL, NULL} },
/* IO DATA CBIDE2, with neither vendor ID nor product ID */
{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
PCMCIA_CIS_IODATA_CBIDE2 },
/* TOSHIBA PA2673U(IODATA_CBIDE2 OEM), */
/* with neither vendor ID nor product ID */
{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
PCMCIA_CIS_TOSHIBA_CBIDE2 },
/*
* Novac PCMCIA-IDE Card for HD530P IDE Box,
* with neither vendor ID nor product ID
*/
{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
{"PCMCIA", "PnPIDE", NULL, NULL} },
};
static const size_t wdc_pcmcia_nproducts =
sizeof(wdc_pcmcia_products) / sizeof(wdc_pcmcia_products[0]);
static int wdc_pcmcia_enable(struct device *, int);
static void wdc_pcmcia_datain_memory(struct ata_channel *, int, void *,
size_t);
static void wdc_pcmcia_dataout_memory(struct ata_channel *, int, void *,
size_t);
static int
wdc_pcmcia_match(struct device *parent, struct cfdata *match, void *aux)
{
struct pcmcia_attach_args *pa = aux;
if (pa->pf->function == PCMCIA_FUNCTION_DISK &&
pa->pf->pf_funce_disk_interface == PCMCIA_TPLFE_DDI_PCCARD_ATA)
return (1);
if (pcmcia_product_lookup(pa, wdc_pcmcia_products, wdc_pcmcia_nproducts,
sizeof(wdc_pcmcia_products[0]), NULL))
return (2);
return (0);
}
static int
wdc_pcmcia_validate_config_io(struct pcmcia_config_entry *cfe)
{
if (cfe->iftype != PCMCIA_IFTYPE_IO ||
cfe->num_iospace < 1 || cfe->num_iospace > 2)
return (EINVAL);
cfe->num_memspace = 0;
return (0);
}
static int
wdc_pcmcia_validate_config_memory(struct pcmcia_config_entry *cfe)
{
if (cfe->iftype != PCMCIA_IFTYPE_MEMORY ||
cfe->num_memspace > 1 ||
cfe->memspace[0].length < 2048)
return (EINVAL);
cfe->num_iospace = 0;
return (0);
}
static void
wdc_pcmcia_attach(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_regs *wdr;
bus_size_t offset;
int i;
int error;
sc->sc_pf = pa->pf;
error = pcmcia_function_configure(pa->pf,
wdc_pcmcia_validate_config_io);
if (error)
/*XXXmem16|common*/
error = pcmcia_function_configure(pa->pf,
wdc_pcmcia_validate_config_memory);
if (error) {
aprint_error("%s: configure failed, error=%d\n", self->dv_xname,
error);
return;
}
cfe = pa->pf->cfe;
sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16;
sc->sc_wdcdev.regs = wdr = &sc->wdc_regs;
if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) {
wdr->cmd_iot = cfe->memspace[0].handle.memt;
wdr->cmd_baseioh = cfe->memspace[0].handle.memh;
offset = cfe->memspace[0].offset;
wdr->ctl_iot = cfe->memspace[0].handle.memt;
if (bus_space_subregion(cfe->memspace[0].handle.memt,
cfe->memspace[0].handle.memh,
offset + WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS,
&wdr->ctl_ioh))
goto fail;
} else {
wdr->cmd_iot = cfe->iospace[0].handle.iot;
wdr->cmd_baseioh = cfe->iospace[0].handle.ioh;
offset = 0;
if (cfe->num_iospace == 1) {
wdr->ctl_iot = cfe->iospace[0].handle.iot;
if (bus_space_subregion(cfe->iospace[0].handle.iot,
cfe->iospace[0].handle.ioh,
WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS,
&wdr->ctl_ioh))
goto fail;
} else {
wdr->ctl_iot = cfe->iospace[1].handle.iot;
wdr->ctl_ioh = cfe->iospace[1].handle.ioh;
}
}
for (i = 0; i < WDC_PCMCIA_REG_NPORTS; i++) {
if (bus_space_subregion(wdr->cmd_iot,
wdr->cmd_baseioh,
offset + i, i == 0 ? 4 : 1,
&wdr->cmd_iohs[i]) != 0) {
aprint_error("%s: can't subregion I/O space\n",
self->dv_xname);
goto fail;
}
}
if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) {
aprint_normal("%s: memory mapped mode\n", self->dv_xname);
wdr->data32iot = cfe->memspace[0].handle.memt;
if (bus_space_subregion(cfe->memspace[0].handle.memt,
cfe->memspace[0].handle.memh, offset + 1024, 1024,
&wdr->data32ioh))
goto fail;
sc->sc_wdcdev.datain_pio = wdc_pcmcia_datain_memory;
sc->sc_wdcdev.dataout_pio = wdc_pcmcia_dataout_memory;
sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_NOIRQ;
} else {
aprint_normal("%s: i/o mapped mode\n", self->dv_xname);
wdr->data32iot = wdr->cmd_iot;
wdr->data32ioh = wdr->cmd_iohs[wd_data];
sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA32;
}
sc->sc_wdcdev.sc_atac.atac_pio_cap = 0;
sc->wdc_chanlist[0] = &sc->ata_channel;
sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanlist;
sc->sc_wdcdev.sc_atac.atac_nchannels = 1;
sc->ata_channel.ch_channel = 0;
sc->ata_channel.ch_atac = &sc->sc_wdcdev.sc_atac;
sc->ata_channel.ch_queue = &sc->wdc_chqueue;
wdc_init_shadow_regs(&sc->ata_channel);
error = wdc_pcmcia_enable(self, 1);
if (error)
goto fail;
/* We can enable and disable the controller. */
sc->sc_wdcdev.sc_atac.atac_atapi_adapter._generic.adapt_enable =
wdc_pcmcia_enable;
sc->sc_wdcdev.sc_atac.atac_atapi_adapter._generic.adapt_refcnt = 1;
wdcattach(&sc->ata_channel);
ata_delref(&sc->ata_channel);
sc->sc_state = WDC_PCMCIA_ATTACHED;
return;
fail:
pcmcia_function_unconfigure(pa->pf);
}
static int
wdc_pcmcia_detach(struct device *self, int flags)
{
struct wdc_pcmcia_softc *sc = (struct wdc_pcmcia_softc *)self;
int error;
if (sc->sc_state != WDC_PCMCIA_ATTACHED)
return (0);
if ((error = wdcdetach(self, flags)) != 0)
return (error);
pcmcia_function_unconfigure(sc->sc_pf);
return (0);
}
static int
wdc_pcmcia_enable(struct device *self, int onoff)
{
struct wdc_pcmcia_softc *sc = (void *)self;
int error;
if (onoff) {
/* Establish the interrupt handler. */
sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO,
wdcintr, &sc->ata_channel);
if (!sc->sc_ih)
return (EIO);
error = pcmcia_function_enable(sc->sc_pf);
if (error) {
pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
sc->sc_ih = 0;
return (error);
}
} else {
pcmcia_function_disable(sc->sc_pf);
pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
sc->sc_ih = 0;
}
return (0);
}
static void
wdc_pcmcia_datain_memory(struct ata_channel *chp, int flags, void *buf,
size_t len)
{
struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp);
while (len > 0) {
size_t n;
n = min(len, 1024);
if ((flags & DRIVE_CAP32) && (n & 3) == 0)
bus_space_read_region_stream_4(wdr->data32iot,
wdr->data32ioh, 0, buf, n >> 2);
else
bus_space_read_region_stream_2(wdr->data32iot,
wdr->data32ioh, 0, buf, n >> 1);
buf = (char *)buf + n;
len -= n;
}
}
static void
wdc_pcmcia_dataout_memory(struct ata_channel *chp, int flags, void *buf,
size_t len)
{
struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp);
while (len > 0) {
size_t n;
n = min(len, 1024);
if ((flags & DRIVE_CAP32) && (n & 3) == 0)
bus_space_write_region_stream_4(wdr->data32iot,
wdr->data32ioh, 0, buf, n >> 2);
else
bus_space_write_region_stream_2(wdr->data32iot,
wdr->data32ioh, 0, buf, n >> 1);
buf = (char *)buf + n;
len -= n;
}
}