d5514ba365
Note that the mode is only set on the device, we (mostly) have no knowledge on how to set mode on the controller if at all possible.
143 lines
4.6 KiB
C
143 lines
4.6 KiB
C
/*-
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* Copyright (c) 1998 - 2005 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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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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 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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/* 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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io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
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ATA_IOSIZE, RF_ACTIVE);
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if (!io)
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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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ctlio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
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ATA_CTLIOSIZE, RF_ACTIVE);
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if (!ctlio) {
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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(ch);
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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(ch);
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return ata_probe(dev);
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}
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static void
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ata_isa_setmode(device_t parent, device_t dev)
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{
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struct ata_device *atadev = device_get_softc(dev);
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int mode = atadev->mode;
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atadev->mode = ata_limit_mode(atadev, mode, ATA_PIO_MAX);
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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_attach),
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DEVMETHOD(device_suspend, ata_suspend),
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DEVMETHOD(device_resume, ata_resume),
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/* ATA methods */
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DEVMETHOD(ata_setmode, ata_isa_setmode),
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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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