freebsd-dev/sys/dev/ata/ata-card.c
Marius Strobl 5187458fcd - First pass at const'ifying ata(4) as appropriate.
- Use DEVMETHOD_END.
- Use NULL instead of 0 for pointers

MFC after:	1 week
2012-03-21 16:59:39 +00:00

186 lines
5.4 KiB
C

/*-
* Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
* All rights reserved.
*
* 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,
* without modification, immediately at the beginning of the file.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/ata.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/malloc.h>
#include <sys/sema.h>
#include <sys/taskqueue.h>
#include <vm/uma.h>
#include <machine/stdarg.h>
#include <machine/resource.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <dev/ata/ata-all.h>
#include <dev/pccard/pccard_cis.h>
#include <dev/pccard/pccardreg.h>
#include <dev/pccard/pccardvar.h>
#include <ata_if.h>
#include "pccarddevs.h"
static const struct pccard_product const ata_pccard_products[] = {
PCMCIA_CARD(FREECOM, PCCARDIDE),
PCMCIA_CARD(EXP, EXPMULTIMEDIA),
PCMCIA_CARD(IODATA3, CBIDE2),
PCMCIA_CARD(OEM2, CDROM1),
PCMCIA_CARD(OEM2, IDE),
PCMCIA_CARD(PANASONIC, KXLC005),
PCMCIA_CARD(TEAC, IDECARDII),
{NULL}
};
static int
ata_pccard_probe(device_t dev)
{
const struct pccard_product *pp;
u_int32_t fcn = PCCARD_FUNCTION_UNSPEC;
int error = 0;
if ((error = pccard_get_function(dev, &fcn)))
return error;
/* if it says its a disk we should register it */
if (fcn == PCCARD_FUNCTION_DISK)
return 0;
/* match other devices here, primarily cdrom/dvd rom */
if ((pp = pccard_product_lookup(dev, ata_pccard_products,
sizeof(ata_pccard_products[0]), NULL))) {
if (pp->pp_name)
device_set_desc(dev, pp->pp_name);
return 0;
}
return ENXIO;
}
static int
ata_pccard_attach(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
struct resource *io, *ctlio;
int i, rid, err;
uint16_t funce;
if (ch->attached)
return (0);
ch->attached = 1;
/* allocate the io range to get start and length */
rid = ATA_IOADDR_RID;
if (!(io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
ATA_IOSIZE, RF_ACTIVE)))
return (ENXIO);
/* setup the resource vectors */
for (i = ATA_DATA; i <= ATA_COMMAND; i++) {
ch->r_io[i].res = io;
ch->r_io[i].offset = i;
}
ch->r_io[ATA_IDX_ADDR].res = io;
/*
* if we got more than the default ATA_IOSIZE ports, this is a device
* where ctlio is located at offset 14 into "normal" io space.
*/
if (rman_get_size(io) > ATA_IOSIZE) {
ch->r_io[ATA_CONTROL].res = io;
ch->r_io[ATA_CONTROL].offset = 14;
}
else {
rid = ATA_CTLADDR_RID;
if (!(ctlio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
ATA_CTLIOSIZE, RF_ACTIVE))) {
bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
for (i = ATA_DATA; i < ATA_MAX_RES; i++)
ch->r_io[i].res = NULL;
return (ENXIO);
}
ch->r_io[ATA_CONTROL].res = ctlio;
ch->r_io[ATA_CONTROL].offset = 0;
}
ata_default_registers(dev);
/* initialize softc for this channel */
ch->unit = 0;
ch->flags |= ATA_USE_16BIT;
funce = 0; /* Default to sane setting of FUNCE */
pccard_get_funce_disk(dev, &funce);
if (!(funce & PFD_I_D))
ch-> flags |= ATA_NO_SLAVE;
ata_generic_hw(dev);
err = ata_probe(dev);
if (err)
return (err);
return (ata_attach(dev));
}
static int
ata_pccard_detach(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
int i;
if (!ch->attached)
return (0);
ch->attached = 0;
ata_detach(dev);
if (ch->r_io[ATA_CONTROL].res != ch->r_io[ATA_DATA].res)
bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID,
ch->r_io[ATA_CONTROL].res);
bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID,
ch->r_io[ATA_DATA].res);
for (i = ATA_DATA; i < ATA_MAX_RES; i++)
ch->r_io[i].res = NULL;
return 0;
}
static device_method_t ata_pccard_methods[] = {
/* device interface */
DEVMETHOD(device_probe, ata_pccard_probe),
DEVMETHOD(device_attach, ata_pccard_attach),
DEVMETHOD(device_detach, ata_pccard_detach),
DEVMETHOD_END
};
static driver_t ata_pccard_driver = {
"ata",
ata_pccard_methods,
sizeof(struct ata_channel),
};
DRIVER_MODULE(ata, pccard, ata_pccard_driver, ata_devclass, NULL, NULL);
MODULE_DEPEND(ata, ata, 1, 1, 1);