209 lines
6.0 KiB
C
209 lines
6.0 KiB
C
/*-
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* Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
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* All rights reserved.
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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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* without modification, immediately at the beginning of the file.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_ata.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/ata.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/malloc.h>
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#include <sys/sema.h>
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#include <sys/taskqueue.h>
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#include <vm/uma.h>
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#include <machine/stdarg.h>
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#include <machine/resource.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <isa/isavar.h>
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#include <dev/ata/ata-all.h>
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#include <ata_if.h>
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/* local vars */
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static struct isa_pnp_id ata_ids[] = {
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{0x0006d041, "Generic ESDI/IDE/ATA controller"}, /* PNP0600 */
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{0x0106d041, "Plus Hardcard II"}, /* PNP0601 */
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{0x0206d041, "Plus Hardcard IIXL/EZ"}, /* PNP0602 */
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{0x0306d041, "Generic ATA"}, /* PNP0603 */
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/* PNP0680 */
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{0x8006d041, "Standard bus mastering IDE hard disk controller"},
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{0}
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};
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static int
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ata_isa_probe(device_t dev)
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{
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struct resource *io = NULL, *ctlio = NULL;
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u_long tmp;
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int rid;
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/* check isapnp ids */
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if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO)
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return ENXIO;
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/* allocate the io port range */
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rid = ATA_IOADDR_RID;
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if (!(io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
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ATA_IOSIZE, RF_ACTIVE)))
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return ENXIO;
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/* set the altport range */
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if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, &tmp, &tmp)) {
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bus_set_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID,
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rman_get_start(io) + ATA_CTLOFFSET, ATA_CTLIOSIZE);
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}
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/* allocate the altport range */
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rid = ATA_CTLADDR_RID;
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if (!(ctlio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
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ATA_CTLIOSIZE, RF_ACTIVE))) {
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bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
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return ENXIO;
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}
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/* Release resources to reallocate on attach. */
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bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, ctlio);
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bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
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device_set_desc(dev, "ATA channel");
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return (ata_probe(dev));
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}
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static int
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ata_isa_attach(device_t dev)
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{
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struct ata_channel *ch = device_get_softc(dev);
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struct resource *io = NULL, *ctlio = NULL;
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u_long tmp;
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int i, rid;
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if (ch->attached)
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return (0);
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ch->attached = 1;
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/* allocate the io port range */
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rid = ATA_IOADDR_RID;
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if (!(io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
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ATA_IOSIZE, RF_ACTIVE)))
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return ENXIO;
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/* set the altport range */
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if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, &tmp, &tmp)) {
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bus_set_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID,
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rman_get_start(io) + ATA_CTLOFFSET, ATA_CTLIOSIZE);
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}
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/* allocate the altport range */
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rid = ATA_CTLADDR_RID;
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if (!(ctlio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
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ATA_CTLIOSIZE, RF_ACTIVE))) {
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bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
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return ENXIO;
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}
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/* setup the resource vectors */
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for (i = ATA_DATA; i <= ATA_COMMAND; i++) {
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ch->r_io[i].res = io;
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ch->r_io[i].offset = i;
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}
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ch->r_io[ATA_CONTROL].res = ctlio;
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ch->r_io[ATA_CONTROL].offset = 0;
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ch->r_io[ATA_IDX_ADDR].res = io;
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ata_default_registers(dev);
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/* initialize softc for this channel */
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ch->unit = 0;
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ch->flags |= ATA_USE_16BIT;
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ata_generic_hw(dev);
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return ata_attach(dev);
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}
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static int
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ata_isa_detach(device_t dev)
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{
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struct ata_channel *ch = device_get_softc(dev);
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int error;
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if (!ch->attached)
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return (0);
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ch->attached = 0;
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error = ata_detach(dev);
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bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID,
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ch->r_io[ATA_CONTROL].res);
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bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID,
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ch->r_io[ATA_IDX_ADDR].res);
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return (error);
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}
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static int
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ata_isa_suspend(device_t dev)
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{
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struct ata_channel *ch = device_get_softc(dev);
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if (!ch->attached)
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return (0);
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return ata_suspend(dev);
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}
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static int
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ata_isa_resume(device_t dev)
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{
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struct ata_channel *ch = device_get_softc(dev);
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if (!ch->attached)
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return (0);
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return ata_resume(dev);
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}
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static device_method_t ata_isa_methods[] = {
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/* device interface */
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DEVMETHOD(device_probe, ata_isa_probe),
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DEVMETHOD(device_attach, ata_isa_attach),
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DEVMETHOD(device_detach, ata_isa_detach),
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DEVMETHOD(device_suspend, ata_isa_suspend),
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DEVMETHOD(device_resume, ata_isa_resume),
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{ 0, 0 }
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};
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static driver_t ata_isa_driver = {
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"ata",
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ata_isa_methods,
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sizeof(struct ata_channel),
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};
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DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, 0, 0);
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MODULE_DEPEND(ata, ata, 1, 1, 1);
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