| Current Path : /sys/dev/ata/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/dev/ata/ata-isa.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: release/9.1.0/sys/dev/ata/ata-isa.c 229293 2012-01-02 17:27:07Z mav $");
#include "opt_ata.h"
#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 <isa/isavar.h>
#include <dev/ata/ata-all.h>
#include <ata_if.h>
/* local vars */
static struct isa_pnp_id ata_ids[] = {
{0x0006d041, "Generic ESDI/IDE/ATA controller"}, /* PNP0600 */
{0x0106d041, "Plus Hardcard II"}, /* PNP0601 */
{0x0206d041, "Plus Hardcard IIXL/EZ"}, /* PNP0602 */
{0x0306d041, "Generic ATA"}, /* PNP0603 */
/* PNP0680 */
{0x8006d041, "Standard bus mastering IDE hard disk controller"},
{0}
};
static int
ata_isa_probe(device_t dev)
{
struct resource *io = NULL, *ctlio = NULL;
u_long tmp;
int rid;
/* check isapnp ids */
if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO)
return ENXIO;
/* allocate the io port range */
rid = ATA_IOADDR_RID;
if (!(io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
ATA_IOSIZE, RF_ACTIVE)))
return ENXIO;
/* set the altport range */
if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, &tmp, &tmp)) {
bus_set_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID,
rman_get_start(io) + ATA_CTLOFFSET, ATA_CTLIOSIZE);
}
/* allocate the altport range */
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);
return ENXIO;
}
/* Release resources to reallocate on attach. */
bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, ctlio);
bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
device_set_desc(dev, "ATA channel");
return (ata_probe(dev));
}
static int
ata_isa_attach(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
struct resource *io = NULL, *ctlio = NULL;
u_long tmp;
int i, rid;
if (ch->attached)
return (0);
ch->attached = 1;
/* allocate the io port range */
rid = ATA_IOADDR_RID;
if (!(io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
ATA_IOSIZE, RF_ACTIVE)))
return ENXIO;
/* set the altport range */
if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, &tmp, &tmp)) {
bus_set_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID,
rman_get_start(io) + ATA_CTLOFFSET, ATA_CTLIOSIZE);
}
/* allocate the altport range */
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);
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_CONTROL].res = ctlio;
ch->r_io[ATA_CONTROL].offset = 0;
ch->r_io[ATA_IDX_ADDR].res = io;
ata_default_registers(dev);
/* initialize softc for this channel */
ch->unit = 0;
ch->flags |= ATA_USE_16BIT;
ata_generic_hw(dev);
return ata_attach(dev);
}
static int
ata_isa_detach(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
int error;
if (!ch->attached)
return (0);
ch->attached = 0;
error = ata_detach(dev);
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_IDX_ADDR].res);
return (error);
}
static int
ata_isa_suspend(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
if (!ch->attached)
return (0);
return ata_suspend(dev);
}
static int
ata_isa_resume(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
if (!ch->attached)
return (0);
return ata_resume(dev);
}
static device_method_t ata_isa_methods[] = {
/* device interface */
DEVMETHOD(device_probe, ata_isa_probe),
DEVMETHOD(device_attach, ata_isa_attach),
DEVMETHOD(device_detach, ata_isa_detach),
DEVMETHOD(device_suspend, ata_isa_suspend),
DEVMETHOD(device_resume, ata_isa_resume),
{ 0, 0 }
};
static driver_t ata_isa_driver = {
"ata",
ata_isa_methods,
sizeof(struct ata_channel),
};
DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, 0, 0);
MODULE_DEPEND(ata, ata, 1, 1, 1);