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9626b608de
<sys/bio.h>. <sys/bio.h> is now a prerequisite for <sys/buf.h> but it shall not be made a nested include according to bdes teachings on the subject of nested includes. Diskdrivers and similar stuff below specfs::strategy() should no longer need to include <sys/buf.> unless they need caching of data. Still a few bogus uses of struct buf to track down. Repocopy by: peter
1686 lines
46 KiB
C
1686 lines
46 KiB
C
/*-
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* Copyright (c) 1998,1999,2000 Søren Schmidt
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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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* $FreeBSD$
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*/
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#include "ata.h"
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#include "isa.h"
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#include "card.h"
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#include "pci.h"
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#include "atadisk.h"
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#include "atapicd.h"
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#include "atapifd.h"
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#include "atapist.h"
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#include "opt_global.h"
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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/kernel.h>
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#include <sys/disk.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/bio.h>
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#include <sys/malloc.h>
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#include <sys/devicestat.h>
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#include <sys/sysctl.h>
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#include <machine/stdarg.h>
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#include <vm/vm.h>
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#include <vm/pmap.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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#if NPCI > 0
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#include <pci/pcivar.h>
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#include <pci/pcireg.h>
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#endif
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#include <isa/isavar.h>
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#include <isa/isareg.h>
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#include <machine/clock.h>
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#ifdef __i386__
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#include <machine/smp.h>
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#include <i386/isa/intr_machdep.h>
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#endif
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#ifdef __alpha__
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#include <machine/md_var.h>
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#endif
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#include <dev/ata/ata-all.h>
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#include <dev/ata/ata-disk.h>
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#include <dev/ata/atapi-all.h>
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/* misc defines */
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#define IOMASK 0xfffffffc
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#define ATA_IOADDR_RID 0
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#define ATA_ALTADDR_RID 1
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#define ATA_BMADDR_RID 2
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/* prototypes */
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static int ata_probe(device_t);
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static int ata_attach(device_t);
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static int ata_detach(device_t);
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static int ata_resume(device_t);
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static void ata_boot_attach(void);
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static void ata_intr(void *);
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static int32_t ata_getparam(struct ata_softc *, int32_t, u_int8_t);
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static int8_t *active2str(int32_t);
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static void bswap(int8_t *, int32_t);
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static void btrim(int8_t *, int32_t);
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static void bpack(int8_t *, int8_t *, int32_t);
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/* local vars */
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static devclass_t ata_devclass;
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static devclass_t ata_pci_devclass;
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static struct intr_config_hook *ata_delayed_attach = NULL;
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static char ata_conf[256];
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MALLOC_DEFINE(M_ATA, "ATA generic", "ATA driver generic layer");
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#if NISA > 0
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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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{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_softc *scp = device_get_softc(dev);
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struct resource *port;
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int rid;
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u_long tmp;
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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 port range */
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rid = ATA_IOADDR_RID;
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port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
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ATA_IOSIZE, RF_ACTIVE);
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if (!port)
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return ENOMEM;
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/* alloctate the altport range */
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if (bus_get_resource(dev, SYS_RES_IOPORT, 1, &tmp, &tmp)) {
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bus_set_resource(dev, SYS_RES_IOPORT, 1,
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rman_get_start(port) + ATA_ALTPORT,
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ATA_ALTIOSIZE);
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}
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bus_release_resource(dev, SYS_RES_IOPORT, 0, port);
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scp->unit = device_get_unit(dev);
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scp->flags |= ATA_USE_16BIT;
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return ata_probe(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_attach),
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DEVMETHOD(device_resume, ata_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_softc),
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};
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DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, 0, 0);
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#endif
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#if NCARD > 0
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static int
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ata_pccard_probe(device_t dev)
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{
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struct ata_softc *scp = device_get_softc(dev);
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struct resource *port;
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int rid, len;
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/* allocate the port range */
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rid = ATA_IOADDR_RID;
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len = bus_get_resource_count(dev, SYS_RES_IOPORT, rid);
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port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, len, RF_ACTIVE);
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if (!port)
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return ENOMEM;
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/*
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* if we got more than the default ATA_IOSIZE ports, this is likely
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* a pccard system where the altio ports are located just after the
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* normal io ports, so no need to allocate them.
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*/
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if (len <= ATA_IOSIZE) {
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bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID,
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rman_get_start(port) + ATA_ALTPORT, ATA_ALTIOSIZE);
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}
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bus_release_resource(dev, SYS_RES_IOPORT, 0, port);
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scp->unit = device_get_unit(dev);
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scp->flags |= ATA_USE_16BIT;
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return ata_probe(dev);
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}
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static device_method_t ata_pccard_methods[] = {
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/* device interface */
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DEVMETHOD(device_probe, ata_pccard_probe),
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DEVMETHOD(device_attach, ata_attach),
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DEVMETHOD(device_detach, ata_detach),
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{ 0, 0 }
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};
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static driver_t ata_pccard_driver = {
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"ata",
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ata_pccard_methods,
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sizeof(struct ata_softc),
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};
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DRIVER_MODULE(ata, pccard, ata_pccard_driver, ata_devclass, 0, 0);
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#endif
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#if NPCI > 0
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struct ata_pci_softc {
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struct resource *bmio;
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struct resource bmio_1;
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struct resource bmio_2;
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struct resource *irq;
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int32_t irqcnt;
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};
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int32_t
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ata_find_dev(device_t dev, int32_t type, int32_t revid)
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{
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device_t *children, child;
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int nchildren, i;
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if (device_get_children(device_get_parent(dev), &children, &nchildren))
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return 0;
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for (i = 0; i < nchildren; i++) {
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child = children[i];
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/* check that it's on the same silicon and the device we want */
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if (pci_get_slot(dev) == pci_get_slot(child) &&
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pci_get_vendor(child) == (type & 0xffff) &&
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pci_get_device(child) == ((type & 0xffff0000) >> 16) &&
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pci_get_revid(child) >= revid) {
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free(children, M_TEMP);
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return 1;
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}
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}
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free(children, M_TEMP);
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return 0;
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}
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static const char *
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ata_pci_match(device_t dev)
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{
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if (pci_get_class(dev) != PCIC_STORAGE)
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return NULL;
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switch (pci_get_devid(dev)) {
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/* supported chipsets */
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case 0x12308086:
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return "Intel PIIX ATA controller";
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case 0x70108086:
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return "Intel PIIX3 ATA controller";
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case 0x71118086:
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case 0x71998086:
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return "Intel PIIX4 ATA33 controller";
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case 0x24118086:
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return "Intel ICH ATA66 controller";
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case 0x24218086:
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return "Intel ICH0 ATA33 controller";
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case 0x522910b9:
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return "AcerLabs Aladdin ATA33 controller";
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case 0x05711106:
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if (ata_find_dev(dev, 0x05861106, 0))
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return "VIA 82C586 ATA33 controller";
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if (ata_find_dev(dev, 0x05961106, 0x12))
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return "VIA 82C596B ATA66 controller";
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if (ata_find_dev(dev, 0x05961106, 0))
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return "VIA 82C596 ATA33 controller";
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if (ata_find_dev(dev, 0x06861106, 0))
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return "VIA 82C686 ATA66 controller";
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return "VIA Apollo ATA controller";
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case 0x55131039:
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return "SiS 5591 ATA33 controller";
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case 0x06461095:
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return "CMD 646 ATA controller";
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case 0xc6931080:
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if (pci_get_subclass(dev) == PCIS_STORAGE_IDE)
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return "Cypress 82C693 ATA controller";
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break;
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case 0x74091022:
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return "AMD 756 ATA66 controller";
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case 0x4d33105a:
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return "Promise ATA33 controller";
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case 0x4d38105a:
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return "Promise ATA66 controller";
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case 0x00041103:
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return "HighPoint HPT366 ATA66 controller";
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/* unsupported but known chipsets, generic DMA only */
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case 0x10001042:
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case 0x10011042:
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return "RZ 100? ATA controller !WARNING! buggy chip data loss possible";
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case 0x06401095:
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return "CMD 640 ATA controller !WARNING! buggy chip data loss possible";
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case 0x01021078:
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return "Cyrix 5530 ATA controller (generic mode)";
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/* unknown chipsets, try generic DMA if it seems possible */
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default:
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if (pci_get_class(dev) == PCIC_STORAGE &&
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(pci_get_subclass(dev) == PCIS_STORAGE_IDE))
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return "Unknown PCI ATA controller (generic mode)";
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}
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return NULL;
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}
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static int
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ata_pci_probe(device_t dev)
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{
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const char *desc = ata_pci_match(dev);
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if (desc) {
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device_set_desc(dev, desc);
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return 0;
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}
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else
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return ENXIO;
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}
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static int
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ata_pci_add_child(device_t dev, int unit)
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{
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device_t child;
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/* check if this is located at one of the std addresses */
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if (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV) {
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if (!(child = device_add_child(dev, "ata", unit)))
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return ENOMEM;
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}
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else {
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if (!(child = device_add_child(dev, "ata", 2)))
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return ENOMEM;
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}
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device_set_ivars(child, (void *)(uintptr_t) unit);
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return 0;
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}
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static int
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ata_pci_attach(device_t dev)
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{
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struct ata_pci_softc *sc = device_get_softc(dev);
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u_int8_t class, subclass;
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u_int32_t type, cmd;
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int rid;
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/* set up vendor-specific stuff */
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type = pci_get_devid(dev);
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class = pci_get_class(dev);
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subclass = pci_get_subclass(dev);
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cmd = pci_read_config(dev, PCIR_COMMAND, 4);
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/* is this controller busmaster DMA capable ? */
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if (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV) {
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/* is busmastering support turned on ? */
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if ((cmd & (PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN)) ==
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(PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN)) {
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/* is there a valid port range to connect to ? */
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rid = 0x20;
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sc->bmio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
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0, ~0, 1, RF_ACTIVE);
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if (!sc->bmio)
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device_printf(dev, "Busmastering DMA not configured\n");
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}
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else
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device_printf(dev, "Busmastering DMA not enabled\n");
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}
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else {
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if (type == 0x4d33105a || type == 0x4d38105a || type == 0x00041103) {
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/* Promise and HPT366 controllers support busmastering DMA */
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rid = 0x20;
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sc->bmio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
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0, ~0, 1, RF_ACTIVE);
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}
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else
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/* we dont know this controller, no busmastering DMA */
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device_printf(dev, "Busmastering DMA not supported\n");
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}
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/* do extra chipset specific setups */
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switch (type) {
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case 0x522910b9: /* Aladdin need to activate the ATAPI FIFO */
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pci_write_config(dev, 0x53,
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(pci_read_config(dev, 0x53, 1) & ~0x01) | 0x02, 1);
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break;
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case 0x4d38105a: /* Promise 66's need their clock changed */
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outb(rman_get_start(sc->bmio) + 0x11,
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inb(rman_get_start(sc->bmio) + 0x11) | 0x0a);
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/* FALLTHROUGH */
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case 0x4d33105a: /* Promise's need burst mode to be turned on */
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outb(rman_get_start(sc->bmio) + 0x1f,
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inb(rman_get_start(sc->bmio) + 0x1f) | 0x01);
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break;
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case 0x00041103: /* HPT366 turn of fast interrupt prediction */
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pci_write_config(dev, 0x51, (pci_read_config(dev, 0x51, 1) & ~0x80), 1);
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break;
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case 0x05711106:
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case 0x74091022: /* VIA 82C586, 82C596, 82C686 & AMD 756 default setup */
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/* set prefetch, postwrite */
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pci_write_config(dev, 0x41, pci_read_config(dev, 0x41, 1) | 0xf0, 1);
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/* set fifo configuration half'n'half */
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pci_write_config(dev, 0x43,
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(pci_read_config(dev, 0x43, 1) & 0x90) | 0x2a, 1);
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/* set status register read retry */
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pci_write_config(dev, 0x44, pci_read_config(dev, 0x44, 1) | 0x08, 1);
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/* set DMA read & end-of-sector fifo flush */
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pci_write_config(dev, 0x46,
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(pci_read_config(dev, 0x46, 1) & 0x0c) | 0xf0, 1);
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/* set sector size */
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pci_write_config(dev, 0x60, DEV_BSIZE, 2);
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pci_write_config(dev, 0x68, DEV_BSIZE, 2);
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/* prepare for ATA-66 on the 82C686 and rev 0x12 and newer 82C596's */
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if (ata_find_dev(dev, 0x06861106, 0) ||
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ata_find_dev(dev, 0x05961106, 0x12)) {
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pci_write_config(dev, 0x50,
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pci_read_config(dev, 0x50, 4) | 0x070f070f, 4);
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}
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break;
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}
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/*
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* the Cypress chip is a mess, it contains two ATA functions, but
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* both channels are visible on the first one.
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* simply ignore the second function for now, as the right
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* solution (ignoring the second channel on the first function)
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* doesn't work with the crappy ATA interrupt setup on the alpha.
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*/
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if (pci_get_devid(dev) == 0xc6931080 && pci_get_function(dev) > 1)
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return 0;
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ata_pci_add_child(dev, 0);
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if (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV ||
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pci_read_config(dev, 0x18, 4) & IOMASK)
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ata_pci_add_child(dev, 1);
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return bus_generic_attach(dev);
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}
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|
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static int
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ata_pci_print_child(device_t dev, device_t child)
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{
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struct ata_softc *scp = device_get_softc(child);
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int unit = (uintptr_t) device_get_ivars(child);
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int retval = 0;
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retval += bus_print_child_header(dev, child);
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retval += printf(": at 0x%x", scp->ioaddr);
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|
|
if (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV)
|
|
retval += printf(" irq %d", 14 + unit);
|
|
|
|
retval += bus_print_child_footer(dev, child);
|
|
|
|
return retval;
|
|
}
|
|
|
|
static struct resource *
|
|
ata_pci_alloc_resource(device_t dev, device_t child, int type, int *rid,
|
|
u_long start, u_long end, u_long count, u_int flags)
|
|
{
|
|
struct ata_pci_softc *sc = device_get_softc(dev);
|
|
int masterdev = pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV;
|
|
int unit = (int)device_get_ivars(child);
|
|
int myrid;
|
|
|
|
if (type == SYS_RES_IOPORT) {
|
|
switch (*rid) {
|
|
case ATA_IOADDR_RID:
|
|
if (masterdev) {
|
|
myrid = 0;
|
|
start = (unit == 0 ? IO_WD1 : IO_WD2);
|
|
end = start + ATA_IOSIZE - 1;
|
|
count = ATA_IOSIZE;
|
|
}
|
|
else
|
|
myrid = 0x10 + 8 * unit;
|
|
break;
|
|
|
|
case ATA_ALTADDR_RID:
|
|
if (masterdev) {
|
|
myrid = 0;
|
|
start = (unit == 0 ? IO_WD1 : IO_WD2) + ATA_ALTPORT;
|
|
end = start + ATA_ALTIOSIZE - 1;
|
|
count = ATA_ALTIOSIZE;
|
|
}
|
|
else
|
|
myrid = 0x14 + 8 * unit;
|
|
break;
|
|
|
|
case ATA_BMADDR_RID:
|
|
/* the busmaster resource is shared between the two channels */
|
|
if (sc->bmio) {
|
|
if (unit == 0) {
|
|
sc->bmio_1 = *sc->bmio;
|
|
sc->bmio_1.r_end = sc->bmio->r_start + ATA_BM_OFFSET1;
|
|
return &sc->bmio_1;
|
|
} else {
|
|
sc->bmio_2 = *sc->bmio;
|
|
sc->bmio_2.r_start = sc->bmio->r_start + ATA_BM_OFFSET1;
|
|
sc->bmio_2.r_end = sc->bmio_2.r_start + ATA_BM_OFFSET1;
|
|
return &sc->bmio_2;
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
return 0;
|
|
}
|
|
|
|
if (masterdev)
|
|
/* make the parent just pass through the allocation. */
|
|
return BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
|
|
SYS_RES_IOPORT, &myrid,
|
|
start, end, count, flags);
|
|
else
|
|
/* we are using the parent resource directly. */
|
|
return BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
|
|
SYS_RES_IOPORT, &myrid,
|
|
start, end, count, flags);
|
|
}
|
|
|
|
if (type == SYS_RES_IRQ) {
|
|
if (*rid != 0)
|
|
return 0;
|
|
|
|
if (masterdev) {
|
|
#ifdef __i386__
|
|
int irq = (unit == 0 ? 14 : 15);
|
|
|
|
return BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
|
|
SYS_RES_IRQ, rid,
|
|
irq, irq, 1, flags & ~RF_SHAREABLE);
|
|
#else
|
|
return alpha_platform_alloc_ide_intr(unit);
|
|
#endif
|
|
} else {
|
|
/* primary and secondary channels share the same interrupt */
|
|
sc->irqcnt++;
|
|
if (!sc->irq)
|
|
sc->irq = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
|
|
SYS_RES_IRQ, rid, 0, ~0, 1, flags);
|
|
return sc->irq;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ata_pci_release_resource(device_t dev, device_t child, int type, int rid,
|
|
struct resource *r)
|
|
{
|
|
struct ata_pci_softc *sc = device_get_softc(dev);
|
|
int unit = (uintptr_t) device_get_ivars(child);
|
|
int masterdev = pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV;
|
|
int myrid = 0;
|
|
|
|
if (type == SYS_RES_IOPORT) {
|
|
switch (rid) {
|
|
case ATA_IOADDR_RID:
|
|
if (masterdev)
|
|
myrid = 0;
|
|
else
|
|
myrid = 0x10 + 8 * unit;
|
|
break;
|
|
|
|
case ATA_ALTADDR_RID:
|
|
if (masterdev)
|
|
myrid = 0;
|
|
else
|
|
myrid = 0x14 + 8 * unit;
|
|
break;
|
|
|
|
case ATA_BMADDR_RID:
|
|
return 0;
|
|
|
|
default:
|
|
return ENOENT;
|
|
}
|
|
|
|
if (masterdev)
|
|
/* make the parent just pass through the allocation. */
|
|
return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
|
|
SYS_RES_IOPORT, myrid, r);
|
|
else
|
|
/* we are using the parent resource directly. */
|
|
return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
|
|
SYS_RES_IOPORT, myrid, r);
|
|
}
|
|
if (type == SYS_RES_IRQ) {
|
|
if (rid != 0)
|
|
return ENOENT;
|
|
|
|
if (masterdev) {
|
|
#ifdef __i386__
|
|
return BUS_RELEASE_RESOURCE(device_get_parent(dev),
|
|
child, SYS_RES_IRQ, rid, r);
|
|
#else
|
|
return alpha_platform_release_ide_intr(unit, r);
|
|
#endif
|
|
}
|
|
else {
|
|
if (--sc->irqcnt)
|
|
return 0;
|
|
|
|
return BUS_RELEASE_RESOURCE(device_get_parent(dev),
|
|
dev, SYS_RES_IRQ, rid, r);
|
|
}
|
|
}
|
|
return EINVAL;
|
|
}
|
|
|
|
static int
|
|
ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq,
|
|
int flags, driver_intr_t *intr, void *arg,
|
|
void **cookiep)
|
|
{
|
|
if (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV) {
|
|
#ifdef __i386__
|
|
return BUS_SETUP_INTR(device_get_parent(dev), child, irq,
|
|
flags, intr, arg, cookiep);
|
|
#else
|
|
return alpha_platform_setup_ide_intr(irq, intr, arg, cookiep);
|
|
#endif
|
|
}
|
|
else
|
|
return BUS_SETUP_INTR(device_get_parent(dev), dev, irq,
|
|
flags, intr, arg, cookiep);
|
|
}
|
|
|
|
static int
|
|
ata_pci_teardown_intr(device_t dev, device_t child, struct resource *irq,
|
|
void *cookie)
|
|
{
|
|
if (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV) {
|
|
#ifdef __i386__
|
|
return BUS_TEARDOWN_INTR(device_get_parent(dev), child, irq, cookie);
|
|
#else
|
|
return alpha_platform_teardown_ide_intr(irq, cookie);
|
|
#endif
|
|
}
|
|
else
|
|
return BUS_TEARDOWN_INTR(device_get_parent(dev), dev, irq, cookie);
|
|
}
|
|
|
|
static device_method_t ata_pci_methods[] = {
|
|
/* device interface */
|
|
DEVMETHOD(device_probe, ata_pci_probe),
|
|
DEVMETHOD(device_attach, ata_pci_attach),
|
|
DEVMETHOD(device_shutdown, bus_generic_shutdown),
|
|
DEVMETHOD(device_suspend, bus_generic_suspend),
|
|
DEVMETHOD(device_resume, bus_generic_resume),
|
|
|
|
/* bus methods */
|
|
DEVMETHOD(bus_print_child, ata_pci_print_child),
|
|
DEVMETHOD(bus_alloc_resource, ata_pci_alloc_resource),
|
|
DEVMETHOD(bus_release_resource, ata_pci_release_resource),
|
|
DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
|
|
DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
|
|
DEVMETHOD(bus_setup_intr, ata_pci_setup_intr),
|
|
DEVMETHOD(bus_teardown_intr, ata_pci_teardown_intr),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t ata_pci_driver = {
|
|
"atapci",
|
|
ata_pci_methods,
|
|
sizeof(struct ata_pci_softc),
|
|
};
|
|
|
|
DRIVER_MODULE(atapci, pci, ata_pci_driver, ata_pci_devclass, 0, 0);
|
|
|
|
static int
|
|
ata_pcisub_probe(device_t dev)
|
|
{
|
|
struct ata_softc *scp = device_get_softc(dev);
|
|
|
|
/* kids of pci ata chipsets has their physical unit number in ivars */
|
|
scp->unit = (uintptr_t) device_get_ivars(dev);
|
|
|
|
/* set the chiptype to the hostchip ID, makes life easier */
|
|
if (ata_find_dev(device_get_parent(dev), 0x05861106, 0))
|
|
scp->chiptype = 0x05861106;
|
|
else if (ata_find_dev(device_get_parent(dev), 0x05961106, 0))
|
|
scp->chiptype = 0x05961106;
|
|
else if (ata_find_dev(device_get_parent(dev), 0x06861106, 0))
|
|
scp->chiptype = 0x06861106;
|
|
else
|
|
scp->chiptype = pci_get_devid(device_get_parent(dev));
|
|
return ata_probe(dev);
|
|
}
|
|
|
|
static device_method_t ata_pcisub_methods[] = {
|
|
/* device interface */
|
|
DEVMETHOD(device_probe, ata_pcisub_probe),
|
|
DEVMETHOD(device_attach, ata_attach),
|
|
DEVMETHOD(device_detach, ata_detach),
|
|
DEVMETHOD(device_resume, ata_resume),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t ata_pcisub_driver = {
|
|
"ata",
|
|
ata_pcisub_methods,
|
|
sizeof(struct ata_softc),
|
|
};
|
|
|
|
DRIVER_MODULE(ata, atapci, ata_pcisub_driver, ata_devclass, 0, 0);
|
|
#endif
|
|
|
|
static int
|
|
ata_probe(device_t dev)
|
|
{
|
|
struct ata_softc *scp = device_get_softc(dev);
|
|
struct resource *io = 0;
|
|
struct resource *altio = 0;
|
|
struct resource *bmio = 0;
|
|
int rid;
|
|
int32_t ioaddr, altioaddr, bmaddr;
|
|
int32_t mask = 0;
|
|
u_int8_t status0, status1;
|
|
|
|
if (!scp || scp->flags & ATA_ATTACHED)
|
|
return ENXIO;
|
|
|
|
/* initialize the softc basics */
|
|
scp->active = ATA_IDLE;
|
|
scp->dev = dev;
|
|
scp->devices = 0;
|
|
|
|
rid = ATA_IOADDR_RID;
|
|
io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
|
|
ATA_IOSIZE, RF_ACTIVE);
|
|
if (!io)
|
|
goto failure;
|
|
ioaddr = rman_get_start(io);
|
|
|
|
rid = ATA_ALTADDR_RID;
|
|
altio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
|
|
ATA_ALTIOSIZE, RF_ACTIVE);
|
|
if (altio)
|
|
altioaddr = rman_get_start(altio);
|
|
else
|
|
altioaddr = ioaddr + ATA_IOSIZE;
|
|
|
|
rid = ATA_BMADDR_RID;
|
|
bmio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE);
|
|
bmaddr = bmio ? rman_get_start(bmio) : 0;
|
|
|
|
/* store the IO resources for eventual later release */
|
|
scp->r_io = io;
|
|
scp->r_altio = altio;
|
|
scp->r_bmio = bmio;
|
|
|
|
/* store the physical IO addresse for easy access */
|
|
scp->ioaddr = ioaddr;
|
|
scp->altioaddr = altioaddr;
|
|
scp->bmaddr = bmaddr;
|
|
|
|
if (bootverbose)
|
|
ata_printf(scp, -1, "iobase=0x%04x altiobase=0x%04x bmaddr=0x%04x\n",
|
|
scp->ioaddr, scp->altioaddr, scp->bmaddr);
|
|
|
|
/* do we have any signs of ATA/ATAPI HW being present ? */
|
|
outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_MASTER);
|
|
DELAY(1);
|
|
status0 = inb(scp->ioaddr + ATA_STATUS);
|
|
outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_SLAVE);
|
|
DELAY(1);
|
|
status1 = inb(scp->ioaddr + ATA_STATUS);
|
|
if ((status0 & 0xf8) != 0xf8 && status0 != 0xa5)
|
|
mask |= 0x01;
|
|
if ((status1 & 0xf8) != 0xf8 && status1 != 0xa5)
|
|
mask |= 0x02;
|
|
if (bootverbose)
|
|
ata_printf(scp, -1, "mask=%02x status0=%02x status1=%02x\n",
|
|
mask, status0, status1);
|
|
if (!mask)
|
|
goto failure;
|
|
|
|
ata_reset(scp, &mask);
|
|
if (!mask)
|
|
goto failure;
|
|
|
|
/*
|
|
* OK, we have at least one device on the chain, check for ATAPI
|
|
* signatures, if none check if its a good old ATA device.
|
|
*/
|
|
outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_MASTER));
|
|
DELAY(1);
|
|
if (inb(scp->ioaddr + ATA_CYL_LSB) == ATAPI_MAGIC_LSB &&
|
|
inb(scp->ioaddr + ATA_CYL_MSB) == ATAPI_MAGIC_MSB) {
|
|
scp->devices |= ATA_ATAPI_MASTER;
|
|
}
|
|
outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_SLAVE));
|
|
DELAY(1);
|
|
if (inb(scp->ioaddr + ATA_CYL_LSB) == ATAPI_MAGIC_LSB &&
|
|
inb(scp->ioaddr + ATA_CYL_MSB) == ATAPI_MAGIC_MSB) {
|
|
scp->devices |= ATA_ATAPI_SLAVE;
|
|
}
|
|
if (status0 != 0x00 && !(scp->devices & ATA_ATAPI_MASTER)) {
|
|
outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_MASTER));
|
|
DELAY(1);
|
|
outb(scp->ioaddr + ATA_ERROR, 0x58);
|
|
outb(scp->ioaddr + ATA_CYL_LSB, 0xa5);
|
|
if (inb(scp->ioaddr + ATA_ERROR) != 0x58 &&
|
|
inb(scp->ioaddr + ATA_CYL_LSB) == 0xa5) {
|
|
scp->devices |= ATA_ATA_MASTER;
|
|
}
|
|
}
|
|
if (status1 != 0x00 && !(scp->devices & ATA_ATAPI_SLAVE)) {
|
|
outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_SLAVE));
|
|
DELAY(1);
|
|
outb(scp->ioaddr + ATA_ERROR, 0x58);
|
|
outb(scp->ioaddr + ATA_CYL_LSB, 0xa5);
|
|
if (inb(scp->ioaddr + ATA_ERROR) != 0x58 &&
|
|
inb(scp->ioaddr + ATA_CYL_LSB) == 0xa5) {
|
|
scp->devices |= ATA_ATA_SLAVE;
|
|
}
|
|
}
|
|
if (bootverbose)
|
|
ata_printf(scp, -1, "devices = 0x%x\n", scp->devices);
|
|
if (!scp->devices) {
|
|
goto failure;
|
|
}
|
|
TAILQ_INIT(&scp->ata_queue);
|
|
TAILQ_INIT(&scp->atapi_queue);
|
|
return 0;
|
|
|
|
failure:
|
|
if (io)
|
|
bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
|
|
if (altio)
|
|
bus_release_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, altio);
|
|
if (bmio)
|
|
bus_release_resource(dev, SYS_RES_IOPORT, ATA_BMADDR_RID, bmio);
|
|
if (bootverbose)
|
|
ata_printf(scp, -1, "probe allocation failed\n");
|
|
return ENXIO;
|
|
}
|
|
|
|
static int
|
|
ata_attach(device_t dev)
|
|
{
|
|
struct ata_softc *scp = device_get_softc(dev);
|
|
int error, rid = 0;
|
|
|
|
if (!scp || scp->flags & ATA_ATTACHED)
|
|
return ENXIO;
|
|
|
|
scp->r_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
|
|
RF_SHAREABLE | RF_ACTIVE);
|
|
if (!scp->r_irq) {
|
|
ata_printf(scp, -1, "unable to allocate interrupt\n");
|
|
return ENXIO;
|
|
}
|
|
if ((error = bus_setup_intr(dev, scp->r_irq, INTR_TYPE_BIO, ata_intr,
|
|
scp, &scp->ih)))
|
|
return error;
|
|
|
|
/*
|
|
* do not attach devices if we are in early boot, this is done later
|
|
* when interrupts are enabled by a hook into the boot process.
|
|
* otherwise attach what the probe has found in scp->devices.
|
|
*/
|
|
if (!ata_delayed_attach) {
|
|
if (scp->devices & ATA_ATA_SLAVE)
|
|
if (ata_getparam(scp, ATA_SLAVE, ATA_C_ATA_IDENTIFY))
|
|
scp->devices &= ~ATA_ATA_SLAVE;
|
|
if (scp->devices & ATA_ATAPI_SLAVE)
|
|
if (ata_getparam(scp, ATA_SLAVE, ATA_C_ATAPI_IDENTIFY))
|
|
scp->devices &= ~ATA_ATAPI_SLAVE;
|
|
if (scp->devices & ATA_ATA_MASTER)
|
|
if (ata_getparam(scp, ATA_MASTER, ATA_C_ATA_IDENTIFY))
|
|
scp->devices &= ~ATA_ATA_MASTER;
|
|
if (scp->devices & ATA_ATAPI_MASTER)
|
|
if (ata_getparam(scp, ATA_MASTER,ATA_C_ATAPI_IDENTIFY))
|
|
scp->devices &= ~ATA_ATAPI_MASTER;
|
|
#if NATADISK > 0
|
|
if (scp->devices & ATA_ATA_MASTER)
|
|
ad_attach(scp, ATA_MASTER);
|
|
if (scp->devices & ATA_ATA_SLAVE)
|
|
ad_attach(scp, ATA_SLAVE);
|
|
#endif
|
|
#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0
|
|
if (scp->devices & ATA_ATAPI_MASTER)
|
|
atapi_attach(scp, ATA_MASTER);
|
|
if (scp->devices & ATA_ATAPI_SLAVE)
|
|
atapi_attach(scp, ATA_SLAVE);
|
|
#endif
|
|
}
|
|
scp->flags |= ATA_ATTACHED;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ata_detach(device_t dev)
|
|
{
|
|
struct ata_softc *scp = device_get_softc(dev);
|
|
|
|
if (!scp || !(scp->flags & ATA_ATTACHED))
|
|
return ENXIO;
|
|
|
|
#if NATADISK > 0
|
|
if (scp->devices & ATA_ATA_MASTER)
|
|
ad_detach(scp->dev_softc[0]);
|
|
if (scp->devices & ATA_ATA_SLAVE)
|
|
ad_detach(scp->dev_softc[1]);
|
|
#endif
|
|
#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0
|
|
if (scp->devices & ATA_ATAPI_MASTER)
|
|
atapi_detach(scp->dev_softc[0]);
|
|
if (scp->devices & ATA_ATAPI_SLAVE)
|
|
atapi_detach(scp->dev_softc[1]);
|
|
#endif
|
|
if (scp->dev_param[ATA_DEV(ATA_MASTER)]) {
|
|
free(scp->dev_param[ATA_DEV(ATA_MASTER)], M_ATA);
|
|
scp->dev_param[ATA_DEV(ATA_MASTER)] = NULL;
|
|
}
|
|
if (scp->dev_param[ATA_DEV(ATA_SLAVE)]) {
|
|
free(scp->dev_param[ATA_DEV(ATA_SLAVE)], M_ATA);
|
|
scp->dev_param[ATA_DEV(ATA_SLAVE)] = NULL;
|
|
}
|
|
scp->dev_softc[ATA_DEV(ATA_MASTER)] = NULL;
|
|
scp->dev_softc[ATA_DEV(ATA_SLAVE)] = NULL;
|
|
scp->mode[ATA_DEV(ATA_MASTER)] = ATA_PIO;
|
|
scp->mode[ATA_DEV(ATA_SLAVE)] = ATA_PIO;
|
|
bus_teardown_intr(dev, scp->r_irq, scp->ih);
|
|
bus_release_resource(dev, SYS_RES_IRQ, 0, scp->r_irq);
|
|
if (scp->r_bmio)
|
|
bus_release_resource(dev, SYS_RES_IOPORT, ATA_BMADDR_RID, scp->r_bmio);
|
|
if (scp->r_altio)
|
|
bus_release_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID,scp->r_altio);
|
|
bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, scp->r_io);
|
|
scp->flags &= ~ATA_ATTACHED;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ata_resume(device_t dev)
|
|
{
|
|
struct ata_softc *scp = device_get_softc(dev);
|
|
|
|
ata_reinit(scp);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t
|
|
ata_getparam(struct ata_softc *scp, int32_t device, u_int8_t command)
|
|
{
|
|
struct ata_params *ata_parm;
|
|
int8_t buffer[DEV_BSIZE];
|
|
int retry = 0;
|
|
|
|
/* select drive */
|
|
outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | device);
|
|
DELAY(1);
|
|
|
|
/* enable interrupt */
|
|
outb(scp->altioaddr, ATA_A_4BIT);
|
|
DELAY(1);
|
|
|
|
/* apparently some devices needs this repeated */
|
|
do {
|
|
if (ata_command(scp, device, command, 0, 0, 0, 0, 0, ATA_WAIT_INTR)) {
|
|
ata_printf(scp, device, "identify failed\n");
|
|
return -1;
|
|
}
|
|
if (retry++ > 4) {
|
|
ata_printf(scp, device, "identify retries exceeded\n");
|
|
return -1;
|
|
}
|
|
} while (ata_wait(scp, device,
|
|
((command == ATA_C_ATAPI_IDENTIFY) ?
|
|
ATA_S_DRQ : (ATA_S_READY | ATA_S_DSC | ATA_S_DRQ))));
|
|
|
|
insw(scp->ioaddr + ATA_DATA, buffer, sizeof(buffer)/sizeof(int16_t));
|
|
ata_parm = malloc(sizeof(struct ata_params), M_ATA, M_NOWAIT);
|
|
if (!ata_parm) {
|
|
ata_printf(scp, device, "malloc for identify data failed\n");
|
|
return -1;
|
|
}
|
|
bcopy(buffer, ata_parm, sizeof(struct ata_params));
|
|
if (command == ATA_C_ATA_IDENTIFY ||
|
|
!((ata_parm->model[0] == 'N' && ata_parm->model[1] == 'E') ||
|
|
(ata_parm->model[0] == 'F' && ata_parm->model[1] == 'X')))
|
|
bswap(ata_parm->model, sizeof(ata_parm->model));
|
|
btrim(ata_parm->model, sizeof(ata_parm->model));
|
|
bpack(ata_parm->model, ata_parm->model, sizeof(ata_parm->model));
|
|
bswap(ata_parm->revision, sizeof(ata_parm->revision));
|
|
btrim(ata_parm->revision, sizeof(ata_parm->revision));
|
|
bpack(ata_parm->revision, ata_parm->revision, sizeof(ata_parm->revision));
|
|
scp->dev_param[ATA_DEV(device)] = ata_parm;
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
ata_boot_attach(void)
|
|
{
|
|
struct ata_softc *scp;
|
|
int32_t ctlr;
|
|
|
|
/*
|
|
* run through all ata devices and look for real ATA & ATAPI devices
|
|
* using the hints we found in the early probe, this avoids some of
|
|
* the delays probing of non-exsistent devices can cause.
|
|
*/
|
|
for (ctlr=0; ctlr<devclass_get_maxunit(ata_devclass); ctlr++) {
|
|
if (!(scp = devclass_get_softc(ata_devclass, ctlr)))
|
|
continue;
|
|
if (scp->devices & ATA_ATA_SLAVE)
|
|
if (ata_getparam(scp, ATA_SLAVE, ATA_C_ATA_IDENTIFY))
|
|
scp->devices &= ~ATA_ATA_SLAVE;
|
|
if (scp->devices & ATA_ATAPI_SLAVE)
|
|
if (ata_getparam(scp, ATA_SLAVE, ATA_C_ATAPI_IDENTIFY))
|
|
scp->devices &= ~ATA_ATAPI_SLAVE;
|
|
if (scp->devices & ATA_ATA_MASTER)
|
|
if (ata_getparam(scp, ATA_MASTER, ATA_C_ATA_IDENTIFY))
|
|
scp->devices &= ~ATA_ATA_MASTER;
|
|
if (scp->devices & ATA_ATAPI_MASTER)
|
|
if (ata_getparam(scp, ATA_MASTER,ATA_C_ATAPI_IDENTIFY))
|
|
scp->devices &= ~ATA_ATAPI_MASTER;
|
|
}
|
|
|
|
#if NATADISK > 0
|
|
/* now we know whats there, do the real attach, first the ATA disks */
|
|
for (ctlr=0; ctlr<devclass_get_maxunit(ata_devclass); ctlr++) {
|
|
if (!(scp = devclass_get_softc(ata_devclass, ctlr)))
|
|
continue;
|
|
if (scp->devices & ATA_ATA_MASTER)
|
|
ad_attach(scp, ATA_MASTER);
|
|
if (scp->devices & ATA_ATA_SLAVE)
|
|
ad_attach(scp, ATA_SLAVE);
|
|
}
|
|
#endif
|
|
#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0
|
|
/* then the atapi devices */
|
|
for (ctlr=0; ctlr<devclass_get_maxunit(ata_devclass); ctlr++) {
|
|
if (!(scp = devclass_get_softc(ata_devclass, ctlr)))
|
|
continue;
|
|
if (scp->devices & ATA_ATAPI_MASTER)
|
|
atapi_attach(scp, ATA_MASTER);
|
|
if (scp->devices & ATA_ATAPI_SLAVE)
|
|
atapi_attach(scp, ATA_SLAVE);
|
|
}
|
|
#endif
|
|
if (ata_delayed_attach) {
|
|
config_intrhook_disestablish(ata_delayed_attach);
|
|
free(ata_delayed_attach, M_ATA);
|
|
ata_delayed_attach = NULL;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ata_intr(void *data)
|
|
{
|
|
struct ata_softc *scp = (struct ata_softc *)data;
|
|
u_int8_t dmastat;
|
|
|
|
/*
|
|
* since we might share the IRQ with another device, and in some
|
|
* cases with our twin channel, we only want to process interrupts
|
|
* that we know this channel generated.
|
|
*/
|
|
switch (scp->chiptype) {
|
|
#if NPCI > 0
|
|
case 0x00041103: /* HighPoint HPT366 */
|
|
if (!((dmastat = ata_dmastatus(scp)) & ATA_BMSTAT_INTERRUPT))
|
|
return;
|
|
outb(scp->bmaddr + ATA_BMSTAT_PORT, dmastat | ATA_BMSTAT_INTERRUPT);
|
|
break;
|
|
|
|
case 0x4d33105a: /* Promise 33's */
|
|
case 0x4d38105a: /* Promise 66's */
|
|
{
|
|
struct ata_pci_softc *sc=device_get_softc(device_get_parent(scp->dev));
|
|
|
|
if (!(inl(rman_get_start(sc->bmio) + 0x1c) &
|
|
((scp->unit) ? 0x00004000 : 0x00000400)))
|
|
return;
|
|
}
|
|
/* FALLTHROUGH */
|
|
#endif
|
|
default:
|
|
if (scp->flags & ATA_DMA_ACTIVE) {
|
|
if (!(dmastat = ata_dmastatus(scp)) & ATA_BMSTAT_INTERRUPT)
|
|
return;
|
|
else
|
|
outb(scp->bmaddr+ATA_BMSTAT_PORT, dmastat|ATA_BMSTAT_INTERRUPT);
|
|
}
|
|
}
|
|
DELAY(1);
|
|
|
|
/* get status, if drive is busy it didn't interrupt so return */
|
|
if ((scp->status = inb(scp->ioaddr + ATA_STATUS)) & ATA_S_BUSY)
|
|
return;
|
|
|
|
/* find & call the responsible driver to process this interrupt */
|
|
switch (scp->active) {
|
|
#if NATADISK > 0
|
|
case ATA_ACTIVE_ATA:
|
|
if (!scp->running)
|
|
return;
|
|
if (ad_interrupt(scp->running) == ATA_OP_CONTINUES)
|
|
return;
|
|
break;
|
|
#endif
|
|
#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0
|
|
case ATA_ACTIVE_ATAPI:
|
|
if (!scp->running)
|
|
return;
|
|
if (atapi_interrupt(scp->running) == ATA_OP_CONTINUES)
|
|
return;
|
|
break;
|
|
#endif
|
|
case ATA_WAIT_INTR:
|
|
wakeup((caddr_t)scp);
|
|
break;
|
|
|
|
case ATA_WAIT_READY:
|
|
break;
|
|
|
|
case ATA_REINITING:
|
|
return;
|
|
|
|
default:
|
|
case ATA_IDLE:
|
|
#ifdef ATA_DEBUG
|
|
{
|
|
static int32_t intr_count = 0;
|
|
if (intr_count++ < 10)
|
|
ata_printf(scp, -1, "unwanted interrupt %d status = %02x\n",
|
|
intr_count, scp->status);
|
|
}
|
|
#endif
|
|
}
|
|
scp->active = ATA_IDLE;
|
|
scp->running = NULL;
|
|
ata_start(scp);
|
|
}
|
|
|
|
void
|
|
ata_start(struct ata_softc *scp)
|
|
{
|
|
#if NATADISK > 0
|
|
struct ad_request *ad_request;
|
|
#endif
|
|
#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0
|
|
struct atapi_request *atapi_request;
|
|
#endif
|
|
|
|
if (scp->active != ATA_IDLE)
|
|
return;
|
|
scp->active = ATA_ACTIVE;
|
|
|
|
#if NATADISK > 0
|
|
/* find & call the responsible driver if anything on the ATA queue */
|
|
if (TAILQ_EMPTY(&scp->ata_queue)) {
|
|
if (scp->devices & (ATA_ATA_MASTER) && scp->dev_softc[0])
|
|
ad_start((struct ad_softc *)scp->dev_softc[0]);
|
|
if (scp->devices & (ATA_ATA_SLAVE) && scp->dev_softc[1])
|
|
ad_start((struct ad_softc *)scp->dev_softc[1]);
|
|
}
|
|
if ((ad_request = TAILQ_FIRST(&scp->ata_queue))) {
|
|
TAILQ_REMOVE(&scp->ata_queue, ad_request, chain);
|
|
scp->active = ATA_ACTIVE_ATA;
|
|
scp->running = ad_request;
|
|
ad_transfer(ad_request);
|
|
return;
|
|
}
|
|
#endif
|
|
#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0
|
|
/* find & call the responsible driver if anything on the ATAPI queue */
|
|
if (TAILQ_EMPTY(&scp->atapi_queue)) {
|
|
if (scp->devices & (ATA_ATAPI_MASTER) && scp->dev_softc[0])
|
|
atapi_start((struct atapi_softc *)scp->dev_softc[0]);
|
|
if (scp->devices & (ATA_ATAPI_SLAVE) && scp->dev_softc[1])
|
|
atapi_start((struct atapi_softc *)scp->dev_softc[1]);
|
|
}
|
|
if ((atapi_request = TAILQ_FIRST(&scp->atapi_queue))) {
|
|
TAILQ_REMOVE(&scp->atapi_queue, atapi_request, chain);
|
|
scp->active = ATA_ACTIVE_ATAPI;
|
|
scp->running = atapi_request;
|
|
atapi_transfer(atapi_request);
|
|
return;
|
|
}
|
|
#endif
|
|
scp->active = ATA_IDLE;
|
|
}
|
|
|
|
void
|
|
ata_reset(struct ata_softc *scp, int32_t *mask)
|
|
{
|
|
int32_t timeout;
|
|
u_int8_t status0 = 0, status1 = 0;
|
|
|
|
/* reset channel */
|
|
outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_MASTER);
|
|
DELAY(1);
|
|
inb(scp->ioaddr + ATA_STATUS);
|
|
outb(scp->altioaddr, ATA_A_IDS | ATA_A_RESET);
|
|
DELAY(10000);
|
|
outb(scp->altioaddr, ATA_A_IDS);
|
|
DELAY(10000);
|
|
inb(scp->ioaddr + ATA_ERROR);
|
|
DELAY(3000);
|
|
|
|
/* wait for BUSY to go inactive */
|
|
for (timeout = 0; timeout < 310000; timeout++) {
|
|
outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_MASTER);
|
|
DELAY(1);
|
|
status0 = inb(scp->ioaddr + ATA_STATUS);
|
|
outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_SLAVE);
|
|
DELAY(1);
|
|
status1 = inb(scp->ioaddr + ATA_STATUS);
|
|
if (*mask == 0x01) /* wait for master only */
|
|
if (!(status0 & ATA_S_BUSY))
|
|
break;
|
|
if (*mask == 0x02) /* wait for slave only */
|
|
if (!(status1 & ATA_S_BUSY))
|
|
break;
|
|
if (*mask == 0x03) /* wait for both master & slave */
|
|
if (!(status0 & ATA_S_BUSY) && !(status1 & ATA_S_BUSY))
|
|
break;
|
|
DELAY(100);
|
|
}
|
|
DELAY(1);
|
|
outb(scp->altioaddr, ATA_A_4BIT);
|
|
if (status0 & ATA_S_BUSY)
|
|
*mask &= ~0x01;
|
|
if (status1 & ATA_S_BUSY)
|
|
*mask &= ~0x02;
|
|
if (bootverbose)
|
|
ata_printf(scp, -1, "mask=%02x status0=%02x status1=%02x\n",
|
|
*mask, status0, status1);
|
|
}
|
|
|
|
int32_t
|
|
ata_reinit(struct ata_softc *scp)
|
|
{
|
|
int32_t mask = 0, omask;
|
|
|
|
scp->active = ATA_REINITING;
|
|
scp->running = NULL;
|
|
if (scp->devices & (ATA_ATA_MASTER | ATA_ATAPI_MASTER))
|
|
mask |= 0x01;
|
|
if (scp->devices & (ATA_ATA_SLAVE | ATA_ATAPI_SLAVE))
|
|
mask |= 0x02;
|
|
if (mask) {
|
|
omask = mask;
|
|
ata_printf(scp, -1, "resetting devices .. ");
|
|
ata_reset(scp, &mask);
|
|
if (omask != mask)
|
|
printf(" device dissapeared! %d ", omask & ~mask);
|
|
|
|
#if NATADISK > 0
|
|
if (scp->devices & (ATA_ATA_MASTER) && scp->dev_softc[0])
|
|
ad_reinit((struct ad_softc *)scp->dev_softc[0]);
|
|
if (scp->devices & (ATA_ATA_SLAVE) && scp->dev_softc[1])
|
|
ad_reinit((struct ad_softc *)scp->dev_softc[1]);
|
|
#endif
|
|
#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0
|
|
if (scp->devices & (ATA_ATAPI_MASTER) && scp->dev_softc[0])
|
|
atapi_reinit((struct atapi_softc *)scp->dev_softc[0]);
|
|
if (scp->devices & (ATA_ATAPI_SLAVE) && scp->dev_softc[1])
|
|
atapi_reinit((struct atapi_softc *)scp->dev_softc[1]);
|
|
#endif
|
|
printf("done\n");
|
|
}
|
|
scp->active = ATA_IDLE;
|
|
ata_start(scp);
|
|
return 0;
|
|
}
|
|
|
|
int32_t
|
|
ata_wait(struct ata_softc *scp, int32_t device, u_int8_t mask)
|
|
{
|
|
u_int32_t timeout = 0;
|
|
|
|
DELAY(1);
|
|
while (timeout < 5000000) { /* timeout 5 secs */
|
|
scp->status = inb(scp->ioaddr + ATA_STATUS);
|
|
|
|
/* if drive fails status, reselect the drive just to be sure */
|
|
if (scp->status == 0xff) {
|
|
ata_printf(scp, device, "no status, reselecting device\n");
|
|
outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | device);
|
|
DELAY(1);
|
|
scp->status = inb(scp->ioaddr + ATA_STATUS);
|
|
}
|
|
|
|
/* are we done ? */
|
|
if (!(scp->status & ATA_S_BUSY))
|
|
break;
|
|
|
|
if (timeout > 1000) {
|
|
timeout += 1000;
|
|
DELAY(1000);
|
|
}
|
|
else {
|
|
timeout += 10;
|
|
DELAY(10);
|
|
}
|
|
}
|
|
if (scp->status & ATA_S_ERROR)
|
|
scp->error = inb(scp->ioaddr + ATA_ERROR);
|
|
if (timeout >= 5000000)
|
|
return -1;
|
|
if (!mask)
|
|
return (scp->status & ATA_S_ERROR);
|
|
|
|
/* Wait 50 msec for bits wanted. */
|
|
timeout = 5000;
|
|
while (timeout--) {
|
|
scp->status = inb(scp->ioaddr + ATA_STATUS);
|
|
if ((scp->status & mask) == mask) {
|
|
if (scp->status & ATA_S_ERROR)
|
|
scp->error = inb(scp->ioaddr + ATA_ERROR);
|
|
return (scp->status & ATA_S_ERROR);
|
|
}
|
|
DELAY (10);
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
int32_t
|
|
ata_command(struct ata_softc *scp, int32_t device, u_int32_t command,
|
|
u_int32_t cylinder, u_int32_t head, u_int32_t sector,
|
|
u_int32_t count, u_int32_t feature, int32_t flags)
|
|
{
|
|
#ifdef ATA_DEBUG
|
|
ata_printf(scp, device, "ata_command: addr=%04x, cmd=%02x, "
|
|
"c=%d, h=%d, s=%d, count=%d, flags=%02x\n",
|
|
scp->ioaddr, command, cylinder, head, sector, count, flags);
|
|
#endif
|
|
|
|
/* ready to issue command ? */
|
|
if (ata_wait(scp, device, 0) < 0) {
|
|
ata_printf(scp, device,
|
|
"timeout waiting to give command=%02x s=%02x e=%02x\n",
|
|
command, scp->status, scp->error);
|
|
return -1;
|
|
}
|
|
outb(scp->ioaddr + ATA_FEATURE, feature);
|
|
outb(scp->ioaddr + ATA_CYL_LSB, cylinder);
|
|
outb(scp->ioaddr + ATA_CYL_MSB, cylinder >> 8);
|
|
outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | device | head);
|
|
outb(scp->ioaddr + ATA_SECTOR, sector);
|
|
outb(scp->ioaddr + ATA_COUNT, count);
|
|
|
|
switch (flags) {
|
|
case ATA_WAIT_INTR:
|
|
if (scp->active != ATA_IDLE)
|
|
ata_printf(scp, device, "WARNING: WAIT_INTR active=%s\n",
|
|
active2str(scp->active));
|
|
scp->active = ATA_WAIT_INTR;
|
|
asleep((caddr_t)scp, PRIBIO, "atacmd", 10 * hz);
|
|
outb(scp->ioaddr + ATA_CMD, command);
|
|
if (await(PRIBIO, 10 * hz)) {
|
|
ata_printf(scp, device, "ata_command: timeout waiting for intr\n");
|
|
scp->active = ATA_IDLE;
|
|
return -1;
|
|
}
|
|
break;
|
|
|
|
case ATA_WAIT_READY:
|
|
if (scp->active != ATA_IDLE && scp->active != ATA_REINITING)
|
|
ata_printf(scp, device, "WARNING: WAIT_READY active=%s\n",
|
|
active2str(scp->active));
|
|
if (scp->active != ATA_REINITING)
|
|
scp->active = ATA_WAIT_READY;
|
|
outb(scp->ioaddr + ATA_CMD, command);
|
|
if (ata_wait(scp, device, ATA_S_READY) < 0) {
|
|
ata_printf(scp, device,
|
|
"timeout waiting for command=%02x s=%02x e=%02x\n",
|
|
command, scp->status, scp->error);
|
|
if (scp->active != ATA_REINITING)
|
|
scp->active = ATA_IDLE;
|
|
return -1;
|
|
}
|
|
if (scp->active != ATA_REINITING)
|
|
scp->active = ATA_IDLE;
|
|
break;
|
|
|
|
case ATA_IMMEDIATE:
|
|
outb(scp->ioaddr + ATA_CMD, command);
|
|
break;
|
|
|
|
default:
|
|
ata_printf(scp, device, "DANGER: illegal interrupt flag=%s\n",
|
|
active2str(flags));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
ata_printf(struct ata_softc *scp, int32_t device, const char * fmt, ...)
|
|
{
|
|
va_list ap;
|
|
int ret;
|
|
|
|
if (device == -1)
|
|
ret = printf("ata%d: ", device_get_unit(scp->dev));
|
|
else
|
|
ret = printf("ata%d-%s: ", device_get_unit(scp->dev),
|
|
(device == ATA_MASTER) ? "master" : "slave");
|
|
va_start(ap, fmt);
|
|
ret += vprintf(fmt, ap);
|
|
va_end(ap);
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
ata_get_lun(u_int32_t *map)
|
|
{
|
|
int lun = ffs(~*map) - 1;
|
|
|
|
*map |= (1 << lun);
|
|
return lun;
|
|
}
|
|
|
|
void
|
|
ata_free_lun(u_int32_t *map, int lun)
|
|
{
|
|
*map &= ~(1 << lun);
|
|
}
|
|
|
|
int8_t *
|
|
ata_mode2str(int32_t mode)
|
|
{
|
|
switch (mode) {
|
|
case ATA_PIO: return "BIOSPIO";
|
|
case ATA_PIO0: return "PIO0";
|
|
case ATA_PIO1: return "PIO1";
|
|
case ATA_PIO2: return "PIO2";
|
|
case ATA_PIO3: return "PIO3";
|
|
case ATA_PIO4: return "PIO4";
|
|
case ATA_WDMA2: return "WDMA2";
|
|
case ATA_UDMA2: return "UDMA33";
|
|
case ATA_UDMA4: return "UDMA66";
|
|
case ATA_DMA: return "BIOSDMA";
|
|
default: return "???";
|
|
}
|
|
}
|
|
|
|
int8_t
|
|
ata_pio2mode(int32_t pio)
|
|
{
|
|
switch (pio) {
|
|
default:
|
|
case 0: return ATA_PIO0;
|
|
case 1: return ATA_PIO1;
|
|
case 2: return ATA_PIO2;
|
|
case 3: return ATA_PIO3;
|
|
case 4: return ATA_PIO4;
|
|
}
|
|
}
|
|
|
|
int
|
|
ata_pmode(struct ata_params *ap)
|
|
{
|
|
if (ap->atavalid & ATA_FLAG_64_70) {
|
|
if (ap->apiomodes & 2)
|
|
return 4;
|
|
if (ap->apiomodes & 1)
|
|
return 3;
|
|
}
|
|
if (ap->opiomode == 2)
|
|
return 2;
|
|
if (ap->opiomode == 1)
|
|
return 1;
|
|
if (ap->opiomode == 0)
|
|
return 0;
|
|
return -1;
|
|
}
|
|
|
|
int
|
|
ata_wmode(struct ata_params *ap)
|
|
{
|
|
if (ap->wdmamodes & 4)
|
|
return 2;
|
|
if (ap->wdmamodes & 2)
|
|
return 1;
|
|
if (ap->wdmamodes & 1)
|
|
return 0;
|
|
return -1;
|
|
}
|
|
|
|
int
|
|
ata_umode(struct ata_params *ap)
|
|
{
|
|
if (ap->atavalid & ATA_FLAG_88) {
|
|
if (ap->udmamodes & 0x10)
|
|
return (ap->cblid ? 4 : 2);
|
|
if (ap->udmamodes & 0x08)
|
|
return (ap->cblid ? 3 : 2);
|
|
if (ap->udmamodes & 0x04)
|
|
return 2;
|
|
if (ap->udmamodes & 0x02)
|
|
return 1;
|
|
if (ap->udmamodes & 0x01)
|
|
return 0;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static int8_t *
|
|
active2str(int32_t active)
|
|
{
|
|
static char buf[8];
|
|
|
|
switch (active) {
|
|
case ATA_IDLE:
|
|
return("ATA_IDLE");
|
|
case ATA_IMMEDIATE:
|
|
return("ATA_IMMEDIATE");
|
|
case ATA_WAIT_INTR:
|
|
return("ATA_WAIT_INTR");
|
|
case ATA_WAIT_READY:
|
|
return("ATA_WAIT_READY");
|
|
case ATA_ACTIVE:
|
|
return("ATA_ACTIVE");
|
|
case ATA_ACTIVE_ATA:
|
|
return("ATA_ACTIVE_ATA");
|
|
case ATA_ACTIVE_ATAPI:
|
|
return("ATA_ACTIVE_ATAPI");
|
|
case ATA_REINITING:
|
|
return("ATA_REINITING");
|
|
default:
|
|
sprintf(buf, "0x%02x", active);
|
|
return buf;
|
|
}
|
|
}
|
|
|
|
static void
|
|
bswap(int8_t *buf, int32_t len)
|
|
{
|
|
u_int16_t *ptr = (u_int16_t*)(buf + len);
|
|
|
|
while (--ptr >= (u_int16_t*)buf)
|
|
*ptr = ntohs(*ptr);
|
|
}
|
|
|
|
static void
|
|
btrim(int8_t *buf, int32_t len)
|
|
{
|
|
int8_t *ptr;
|
|
|
|
for (ptr = buf; ptr < buf+len; ++ptr)
|
|
if (!*ptr)
|
|
*ptr = ' ';
|
|
for (ptr = buf + len - 1; ptr >= buf && *ptr == ' '; --ptr)
|
|
*ptr = 0;
|
|
}
|
|
|
|
static void
|
|
bpack(int8_t *src, int8_t *dst, int32_t len)
|
|
{
|
|
int32_t i, j, blank;
|
|
|
|
for (i = j = blank = 0 ; i < len; i++) {
|
|
if (blank && src[i] == ' ') continue;
|
|
if (blank && src[i] != ' ') {
|
|
dst[j++] = src[i];
|
|
blank = 0;
|
|
continue;
|
|
}
|
|
if (src[i] == ' ') {
|
|
blank = 1;
|
|
if (i == 0)
|
|
continue;
|
|
}
|
|
dst[j++] = src[i];
|
|
}
|
|
if (j < len)
|
|
dst[j] = 0x00;
|
|
}
|
|
|
|
static void
|
|
ata_change_mode(struct ata_softc *scp, int32_t device, int32_t mode)
|
|
{
|
|
int32_t s = splbio();
|
|
|
|
while (scp->active != ATA_IDLE)
|
|
tsleep((caddr_t)&s, PRIBIO, "atachm", hz/4);
|
|
scp->active = ATA_REINITING;
|
|
ata_dmainit(scp, device, ata_pmode(ATA_PARAM(scp, device)),
|
|
mode < ATA_DMA ? -1 : ata_wmode(ATA_PARAM(scp, device)),
|
|
mode < ATA_DMA ? -1 : ata_umode(ATA_PARAM(scp, device)));
|
|
scp->active = ATA_IDLE;
|
|
ata_start(scp);
|
|
splx(s);
|
|
}
|
|
|
|
static int
|
|
sysctl_hw_ata SYSCTL_HANDLER_ARGS
|
|
{
|
|
struct ata_softc *scp;
|
|
int ctlr, error, i;
|
|
|
|
/* readout internal state */
|
|
bzero(ata_conf, sizeof(ata_conf));
|
|
for (ctlr=0; ctlr<devclass_get_maxunit(ata_devclass); ctlr++) {
|
|
if (!(scp = devclass_get_softc(ata_devclass, ctlr)))
|
|
continue;
|
|
for (i = 0; i < 2; i++) {
|
|
if (!scp->dev_softc[i])
|
|
strcat(ata_conf, "---,");
|
|
else if (scp->mode[i] >= ATA_DMA)
|
|
strcat(ata_conf, "dma,");
|
|
else
|
|
strcat(ata_conf, "pio,");
|
|
}
|
|
}
|
|
error = sysctl_handle_string(oidp, ata_conf, sizeof(ata_conf), req);
|
|
if (error == 0 && req->newptr != NULL) {
|
|
char *ptr = ata_conf;
|
|
|
|
/* update internal state */
|
|
i = 0;
|
|
while (*ptr) {
|
|
if (!strncmp(ptr, "pio", 3) || !strncmp(ptr, "PIO", 3)) {
|
|
if ((scp = devclass_get_softc(ata_devclass, i >> 1)) &&
|
|
scp->dev_softc[i & 1] && scp->mode[i & 1] >= ATA_DMA)
|
|
ata_change_mode(scp, (i & 1)?ATA_SLAVE:ATA_MASTER, ATA_PIO);
|
|
}
|
|
else if (!strncmp(ptr, "dma", 3) || !strncmp(ptr, "DMA", 3)) {
|
|
if ((scp = devclass_get_softc(ata_devclass, i >> 1)) &&
|
|
scp->dev_softc[i & 1] && scp->mode[i & 1] < ATA_DMA)
|
|
ata_change_mode(scp, (i & 1)?ATA_SLAVE:ATA_MASTER, ATA_DMA);
|
|
}
|
|
else if (strncmp(ptr, "---", 3))
|
|
break;
|
|
ptr+=3;
|
|
if (*ptr++ != ',' ||
|
|
++i > (devclass_get_maxunit(ata_devclass) << 1))
|
|
break;
|
|
}
|
|
}
|
|
return error;
|
|
}
|
|
SYSCTL_PROC(_hw, OID_AUTO, atamodes, CTLTYPE_STRING | CTLFLAG_RW,
|
|
0, sizeof(ata_conf), sysctl_hw_ata, "A", "");
|
|
|
|
static void
|
|
ata_init(void)
|
|
{
|
|
/* register boot attach to be run when interrupts are enabled */
|
|
if (!(ata_delayed_attach = (struct intr_config_hook *)
|
|
malloc(sizeof(struct intr_config_hook),
|
|
M_TEMP, M_NOWAIT))) {
|
|
printf("ata: malloc of delayed attach hook failed\n");
|
|
return;
|
|
}
|
|
bzero(ata_delayed_attach, sizeof(struct intr_config_hook));
|
|
|
|
ata_delayed_attach->ich_func = (void*)ata_boot_attach;
|
|
if (config_intrhook_establish(ata_delayed_attach) != 0) {
|
|
printf("ata: config_intrhook_establish failed\n");
|
|
free(ata_delayed_attach, M_TEMP);
|
|
}
|
|
}
|
|
SYSINIT(atadev, SI_SUB_DRIVERS, SI_ORDER_SECOND, ata_init, NULL)
|