943 lines
25 KiB
C
943 lines
25 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/kernel.h>
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#include <sys/module.h>
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#include <sys/ata.h>
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#include <sys/bus.h>
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#include <sys/conf.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 <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/ata/ata-all.h>
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#include <dev/ata/ata-pci.h>
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#include <ata_if.h>
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MALLOC_DEFINE(M_ATAPCI, "ata_pci", "ATA driver PCI");
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/* misc defines */
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#define IOMASK 0xfffffffc
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/*
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* generic PCI ATA device probe
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*/
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int
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ata_pci_probe(device_t dev)
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{
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struct ata_pci_controller *ctlr = device_get_softc(dev);
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char buffer[64];
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/* is this a storage class device ? */
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if (pci_get_class(dev) != PCIC_STORAGE)
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return (ENXIO);
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/* is this an IDE/ATA type device ? */
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if (pci_get_subclass(dev) != PCIS_STORAGE_IDE)
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return (ENXIO);
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sprintf(buffer, "%s ATA controller", ata_pcivendor2str(dev));
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device_set_desc_copy(dev, buffer);
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ctlr->chipinit = ata_generic_chipinit;
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/* we are a low priority handler */
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return (BUS_PROBE_GENERIC);
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}
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int
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ata_pci_attach(device_t dev)
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{
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struct ata_pci_controller *ctlr = device_get_softc(dev);
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device_t child;
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u_int32_t cmd;
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int unit;
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/* do chipset specific setups only needed once */
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ctlr->legacy = ata_legacy(dev);
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if (ctlr->legacy || pci_read_config(dev, PCIR_BAR(2), 4) & IOMASK)
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ctlr->channels = 2;
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else
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ctlr->channels = 1;
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ctlr->ichannels = -1;
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ctlr->ch_attach = ata_pci_ch_attach;
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ctlr->ch_detach = ata_pci_ch_detach;
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ctlr->dev = dev;
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/* if needed try to enable busmastering */
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cmd = pci_read_config(dev, PCIR_COMMAND, 2);
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if (!(cmd & PCIM_CMD_BUSMASTEREN)) {
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pci_write_config(dev, PCIR_COMMAND, cmd | PCIM_CMD_BUSMASTEREN, 2);
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cmd = pci_read_config(dev, PCIR_COMMAND, 2);
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}
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/* if busmastering mode "stuck" use it */
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if ((cmd & PCIM_CMD_BUSMASTEREN) == PCIM_CMD_BUSMASTEREN) {
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ctlr->r_type1 = SYS_RES_IOPORT;
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ctlr->r_rid1 = ATA_BMADDR_RID;
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ctlr->r_res1 = bus_alloc_resource_any(dev, ctlr->r_type1, &ctlr->r_rid1,
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RF_ACTIVE);
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}
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if (ctlr->chipinit(dev))
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return ENXIO;
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/* attach all channels on this controller */
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for (unit = 0; unit < ctlr->channels; unit++) {
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if ((ctlr->ichannels & (1 << unit)) == 0)
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continue;
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child = device_add_child(dev, "ata",
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((unit == 0 || unit == 1) && ctlr->legacy) ?
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unit : devclass_find_free_unit(ata_devclass, 2));
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if (child == NULL)
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device_printf(dev, "failed to add ata child device\n");
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else
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device_set_ivars(child, (void *)(intptr_t)unit);
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}
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bus_generic_attach(dev);
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return 0;
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}
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int
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ata_pci_detach(device_t dev)
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{
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struct ata_pci_controller *ctlr = device_get_softc(dev);
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/* detach & delete all children */
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device_delete_children(dev);
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if (ctlr->r_irq) {
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bus_teardown_intr(dev, ctlr->r_irq, ctlr->handle);
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bus_release_resource(dev, SYS_RES_IRQ, ctlr->r_irq_rid, ctlr->r_irq);
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if (ctlr->r_irq_rid != ATA_IRQ_RID)
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pci_release_msi(dev);
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}
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if (ctlr->chipdeinit != NULL)
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ctlr->chipdeinit(dev);
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if (ctlr->r_res2) {
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#ifdef __sparc64__
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bus_space_unmap(rman_get_bustag(ctlr->r_res2),
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rman_get_bushandle(ctlr->r_res2), rman_get_size(ctlr->r_res2));
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#endif
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bus_release_resource(dev, ctlr->r_type2, ctlr->r_rid2, ctlr->r_res2);
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}
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if (ctlr->r_res1) {
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#ifdef __sparc64__
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bus_space_unmap(rman_get_bustag(ctlr->r_res1),
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rman_get_bushandle(ctlr->r_res1), rman_get_size(ctlr->r_res1));
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#endif
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bus_release_resource(dev, ctlr->r_type1, ctlr->r_rid1, ctlr->r_res1);
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}
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return 0;
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}
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int
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ata_pci_suspend(device_t dev)
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{
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struct ata_pci_controller *ctlr = device_get_softc(dev);
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int error = 0;
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bus_generic_suspend(dev);
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if (ctlr->suspend)
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error = ctlr->suspend(dev);
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return error;
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}
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int
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ata_pci_resume(device_t dev)
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{
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struct ata_pci_controller *ctlr = device_get_softc(dev);
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int error = 0;
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if (ctlr->resume)
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error = ctlr->resume(dev);
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bus_generic_resume(dev);
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return error;
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}
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int
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ata_pci_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)
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{
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return (BUS_READ_IVAR(device_get_parent(dev), dev, which, result));
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}
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int
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ata_pci_write_ivar(device_t dev, device_t child, int which, uintptr_t value)
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{
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return (BUS_WRITE_IVAR(device_get_parent(dev), dev, which, value));
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}
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uint32_t
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ata_pci_read_config(device_t dev, device_t child, int reg, int width)
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{
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return (pci_read_config(dev, reg, width));
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}
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void
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ata_pci_write_config(device_t dev, device_t child, int reg,
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uint32_t val, int width)
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{
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pci_write_config(dev, reg, val, width);
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}
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struct resource *
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ata_pci_alloc_resource(device_t dev, device_t child, int type, int *rid,
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u_long start, u_long end, u_long count, u_int flags)
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{
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struct ata_pci_controller *controller = device_get_softc(dev);
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struct resource *res = NULL;
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if (device_get_devclass(child) == ata_devclass) {
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int unit = ((struct ata_channel *)device_get_softc(child))->unit;
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int myrid;
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if (type == SYS_RES_IOPORT) {
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switch (*rid) {
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case ATA_IOADDR_RID:
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if (controller->legacy) {
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start = (unit ? ATA_SECONDARY : ATA_PRIMARY);
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count = ATA_IOSIZE;
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end = start + count - 1;
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}
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myrid = PCIR_BAR(0) + (unit << 3);
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res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
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SYS_RES_IOPORT, &myrid,
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start, end, count, flags);
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break;
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case ATA_CTLADDR_RID:
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if (controller->legacy) {
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start = (unit ? ATA_SECONDARY : ATA_PRIMARY) +
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ATA_CTLOFFSET;
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count = ATA_CTLIOSIZE;
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end = start + count - 1;
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}
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myrid = PCIR_BAR(1) + (unit << 3);
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res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
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SYS_RES_IOPORT, &myrid,
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start, end, count, flags);
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break;
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}
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}
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if (type == SYS_RES_IRQ && *rid == ATA_IRQ_RID) {
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if (controller->legacy) {
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int irq = (unit == 0 ? 14 : 15);
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res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
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SYS_RES_IRQ, rid, irq, irq, 1, flags);
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} else
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res = controller->r_irq;
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}
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} else {
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if (type == SYS_RES_IRQ) {
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if (*rid != ATA_IRQ_RID)
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return (NULL);
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res = controller->r_irq;
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} else {
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res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
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type, rid, start, end, count, flags);
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}
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}
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return (res);
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}
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int
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ata_pci_release_resource(device_t dev, device_t child, int type, int rid,
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struct resource *r)
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{
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if (device_get_devclass(child) == ata_devclass) {
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struct ata_pci_controller *controller = device_get_softc(dev);
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int unit = ((struct ata_channel *)device_get_softc(child))->unit;
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if (type == SYS_RES_IOPORT) {
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switch (rid) {
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case ATA_IOADDR_RID:
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return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
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SYS_RES_IOPORT,
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PCIR_BAR(0) + (unit << 3), r);
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case ATA_CTLADDR_RID:
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return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
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SYS_RES_IOPORT,
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PCIR_BAR(1) + (unit << 3), r);
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default:
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return ENOENT;
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}
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}
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if (type == SYS_RES_IRQ) {
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if (rid != ATA_IRQ_RID)
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return ENOENT;
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if (controller->legacy) {
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return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
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SYS_RES_IRQ, rid, r);
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} else
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return 0;
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}
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} else {
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if (type == SYS_RES_IRQ) {
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if (rid != ATA_IRQ_RID)
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return (ENOENT);
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return (0);
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} else {
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return (BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
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type, rid, r));
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}
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}
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return (EINVAL);
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}
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int
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ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq,
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int flags, driver_filter_t *filter, driver_intr_t *function,
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void *argument, void **cookiep)
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{
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struct ata_pci_controller *controller = device_get_softc(dev);
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if (controller->legacy) {
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return BUS_SETUP_INTR(device_get_parent(dev), child, irq,
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flags, filter, function, argument, cookiep);
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} else {
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struct ata_pci_controller *controller = device_get_softc(dev);
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int unit;
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if (filter != NULL) {
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printf("ata-pci.c: we cannot use a filter here\n");
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return (EINVAL);
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}
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if (device_get_devclass(child) == ata_devclass)
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unit = ((struct ata_channel *)device_get_softc(child))->unit;
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else
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unit = ATA_PCI_MAX_CH - 1;
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controller->interrupt[unit].function = function;
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controller->interrupt[unit].argument = argument;
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*cookiep = controller;
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return 0;
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}
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}
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int
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ata_pci_teardown_intr(device_t dev, device_t child, struct resource *irq,
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void *cookie)
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{
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struct ata_pci_controller *controller = device_get_softc(dev);
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if (controller->legacy) {
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return BUS_TEARDOWN_INTR(device_get_parent(dev), child, irq, cookie);
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} else {
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struct ata_pci_controller *controller = device_get_softc(dev);
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int unit;
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if (device_get_devclass(child) == ata_devclass)
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unit = ((struct ata_channel *)device_get_softc(child))->unit;
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else
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unit = ATA_PCI_MAX_CH - 1;
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controller->interrupt[unit].function = NULL;
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controller->interrupt[unit].argument = NULL;
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return 0;
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}
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}
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int
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ata_generic_setmode(device_t dev, int target, int mode)
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{
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return (min(mode, ATA_UDMA2));
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}
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int
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ata_generic_chipinit(device_t dev)
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{
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struct ata_pci_controller *ctlr = device_get_softc(dev);
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if (ata_setup_interrupt(dev, ata_generic_intr))
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return ENXIO;
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ctlr->setmode = ata_generic_setmode;
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return 0;
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}
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int
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ata_pci_ch_attach(device_t dev)
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{
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struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
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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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int i, rid;
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rid = ATA_IOADDR_RID;
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if (!(io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE)))
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return ENXIO;
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rid = ATA_CTLADDR_RID;
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if (!(ctlio = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,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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ata_pci_dmainit(dev);
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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 = ctlr->legacy ? 0 : 2;
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ch->r_io[ATA_IDX_ADDR].res = io;
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ata_default_registers(dev);
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if (ctlr->r_res1) {
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for (i = ATA_BMCMD_PORT; i <= ATA_BMDTP_PORT; i++) {
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ch->r_io[i].res = ctlr->r_res1;
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ch->r_io[i].offset = (i - ATA_BMCMD_PORT) + (ch->unit*ATA_BMIOSIZE);
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}
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}
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ata_pci_hw(dev);
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return 0;
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}
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int
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ata_pci_ch_detach(device_t dev)
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{
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struct ata_channel *ch = device_get_softc(dev);
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ata_pci_dmafini(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 (0);
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}
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|
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int
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ata_pci_status(device_t dev)
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{
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struct ata_pci_controller *controller =
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device_get_softc(device_get_parent(dev));
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struct ata_channel *ch = device_get_softc(dev);
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if ((dumping || !controller->legacy) &&
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((ch->flags & ATA_ALWAYS_DMASTAT) ||
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(ch->dma.flags & ATA_DMA_ACTIVE))) {
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int bmstat = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
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if ((bmstat & ATA_BMSTAT_INTERRUPT) == 0)
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return 0;
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ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, bmstat & ~ATA_BMSTAT_ERROR);
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DELAY(1);
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}
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if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) {
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DELAY(100);
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if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY)
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return 0;
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}
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return 1;
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}
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|
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void
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ata_pci_hw(device_t dev)
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{
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struct ata_channel *ch = device_get_softc(dev);
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|
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ata_generic_hw(dev);
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ch->hw.status = ata_pci_status;
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}
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|
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static int
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ata_pci_dmastart(struct ata_request *request)
|
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{
|
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struct ata_channel *ch = device_get_softc(request->parent);
|
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|
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ATA_DEBUG_RQ(request, "dmastart");
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|
|
|
ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, (ATA_IDX_INB(ch, ATA_BMSTAT_PORT) |
|
|
(ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR)));
|
|
ATA_IDX_OUTL(ch, ATA_BMDTP_PORT, request->dma->sg_bus);
|
|
ch->dma.flags |= ATA_DMA_ACTIVE;
|
|
ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
|
|
(ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_WRITE_READ) |
|
|
((request->flags & ATA_R_READ) ? ATA_BMCMD_WRITE_READ : 0)|
|
|
ATA_BMCMD_START_STOP);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ata_pci_dmastop(struct ata_request *request)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(request->parent);
|
|
int error;
|
|
|
|
ATA_DEBUG_RQ(request, "dmastop");
|
|
|
|
ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
|
|
ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
|
|
ch->dma.flags &= ~ATA_DMA_ACTIVE;
|
|
error = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
|
|
ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR);
|
|
return error;
|
|
}
|
|
|
|
static void
|
|
ata_pci_dmareset(device_t dev)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
struct ata_request *request;
|
|
|
|
ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
|
|
ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
|
|
ch->dma.flags &= ~ATA_DMA_ACTIVE;
|
|
ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR);
|
|
if ((request = ch->running)) {
|
|
device_printf(dev, "DMA reset calling unload\n");
|
|
ch->dma.unload(request);
|
|
}
|
|
}
|
|
|
|
void
|
|
ata_pci_dmainit(device_t dev)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
|
|
ata_dmainit(dev);
|
|
ch->dma.start = ata_pci_dmastart;
|
|
ch->dma.stop = ata_pci_dmastop;
|
|
ch->dma.reset = ata_pci_dmareset;
|
|
}
|
|
|
|
void
|
|
ata_pci_dmafini(device_t dev)
|
|
{
|
|
|
|
ata_dmafini(dev);
|
|
}
|
|
|
|
int
|
|
ata_pci_print_child(device_t dev, device_t child)
|
|
{
|
|
int retval;
|
|
|
|
retval = bus_print_child_header(dev, child);
|
|
retval += printf(" at channel %d",
|
|
(int)(intptr_t)device_get_ivars(child));
|
|
retval += bus_print_child_footer(dev, child);
|
|
|
|
return (retval);
|
|
}
|
|
|
|
int
|
|
ata_pci_child_location_str(device_t dev, device_t child, char *buf,
|
|
size_t buflen)
|
|
{
|
|
|
|
snprintf(buf, buflen, "channel=%d",
|
|
(int)(intptr_t)device_get_ivars(child));
|
|
return (0);
|
|
}
|
|
|
|
static device_method_t ata_pci_methods[] = {
|
|
/* device interface */
|
|
DEVMETHOD(device_probe, ata_pci_probe),
|
|
DEVMETHOD(device_attach, ata_pci_attach),
|
|
DEVMETHOD(device_detach, ata_pci_detach),
|
|
DEVMETHOD(device_suspend, ata_pci_suspend),
|
|
DEVMETHOD(device_resume, ata_pci_resume),
|
|
DEVMETHOD(device_shutdown, bus_generic_shutdown),
|
|
|
|
/* bus methods */
|
|
DEVMETHOD(bus_read_ivar, ata_pci_read_ivar),
|
|
DEVMETHOD(bus_write_ivar, ata_pci_write_ivar),
|
|
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),
|
|
DEVMETHOD(pci_read_config, ata_pci_read_config),
|
|
DEVMETHOD(pci_write_config, ata_pci_write_config),
|
|
DEVMETHOD(bus_print_child, ata_pci_print_child),
|
|
DEVMETHOD(bus_child_location_str, ata_pci_child_location_str),
|
|
|
|
{ 0, 0 }
|
|
};
|
|
|
|
devclass_t ata_pci_devclass;
|
|
|
|
static driver_t ata_pci_driver = {
|
|
"atapci",
|
|
ata_pci_methods,
|
|
sizeof(struct ata_pci_controller),
|
|
};
|
|
|
|
DRIVER_MODULE(atapci, pci, ata_pci_driver, ata_pci_devclass, 0, 0);
|
|
MODULE_VERSION(atapci, 1);
|
|
MODULE_DEPEND(atapci, ata, 1, 1, 1);
|
|
|
|
static int
|
|
ata_pcichannel_probe(device_t dev)
|
|
{
|
|
|
|
if ((intptr_t)device_get_ivars(dev) < 0)
|
|
return (ENXIO);
|
|
device_set_desc(dev, "ATA channel");
|
|
|
|
return ata_probe(dev);
|
|
}
|
|
|
|
static int
|
|
ata_pcichannel_attach(device_t dev)
|
|
{
|
|
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
int error;
|
|
|
|
if (ch->attached)
|
|
return (0);
|
|
ch->attached = 1;
|
|
|
|
ch->dev = dev;
|
|
ch->unit = (intptr_t)device_get_ivars(dev);
|
|
|
|
resource_int_value(device_get_name(dev),
|
|
device_get_unit(dev), "pm_level", &ch->pm_level);
|
|
|
|
if ((error = ctlr->ch_attach(dev)))
|
|
return error;
|
|
|
|
return ata_attach(dev);
|
|
}
|
|
|
|
static int
|
|
ata_pcichannel_detach(device_t dev)
|
|
{
|
|
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
int error;
|
|
|
|
if (!ch->attached)
|
|
return (0);
|
|
ch->attached = 0;
|
|
|
|
if ((error = ata_detach(dev)))
|
|
return error;
|
|
|
|
if (ctlr->ch_detach)
|
|
return (ctlr->ch_detach(dev));
|
|
|
|
return (0);
|
|
}
|
|
static int
|
|
ata_pcichannel_suspend(device_t dev)
|
|
{
|
|
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
int error;
|
|
|
|
if (!ch->attached)
|
|
return (0);
|
|
|
|
if ((error = ata_suspend(dev)))
|
|
return (error);
|
|
|
|
if (ctlr->ch_suspend != NULL && (error = ctlr->ch_suspend(dev)))
|
|
return (error);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ata_pcichannel_resume(device_t dev)
|
|
{
|
|
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
int error;
|
|
|
|
if (!ch->attached)
|
|
return (0);
|
|
|
|
if (ctlr->ch_resume != NULL && (error = ctlr->ch_resume(dev)))
|
|
return (error);
|
|
|
|
return ata_resume(dev);
|
|
}
|
|
|
|
|
|
static int
|
|
ata_pcichannel_locking(device_t dev, int mode)
|
|
{
|
|
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
|
|
if (ctlr->locking)
|
|
return ctlr->locking(dev, mode);
|
|
else
|
|
return ch->unit;
|
|
}
|
|
|
|
static void
|
|
ata_pcichannel_reset(device_t dev)
|
|
{
|
|
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
|
|
/* if DMA engine present reset it */
|
|
if (ch->dma.reset)
|
|
ch->dma.reset(dev);
|
|
|
|
/* reset the controller HW */
|
|
if (ctlr->reset)
|
|
ctlr->reset(dev);
|
|
else
|
|
ata_generic_reset(dev);
|
|
}
|
|
|
|
static int
|
|
ata_pcichannel_setmode(device_t dev, int target, int mode)
|
|
{
|
|
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
|
|
|
|
if (ctlr->setmode)
|
|
return (ctlr->setmode(dev, target, mode));
|
|
else
|
|
return (ata_generic_setmode(dev, target, mode));
|
|
}
|
|
|
|
static int
|
|
ata_pcichannel_getrev(device_t dev, int target)
|
|
{
|
|
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
|
|
if (ch->flags & ATA_SATA) {
|
|
if (ctlr->getrev)
|
|
return (ctlr->getrev(dev, target));
|
|
else
|
|
return (0xff);
|
|
} else
|
|
return (0);
|
|
}
|
|
|
|
static device_method_t ata_pcichannel_methods[] = {
|
|
/* device interface */
|
|
DEVMETHOD(device_probe, ata_pcichannel_probe),
|
|
DEVMETHOD(device_attach, ata_pcichannel_attach),
|
|
DEVMETHOD(device_detach, ata_pcichannel_detach),
|
|
DEVMETHOD(device_shutdown, bus_generic_shutdown),
|
|
DEVMETHOD(device_suspend, ata_pcichannel_suspend),
|
|
DEVMETHOD(device_resume, ata_pcichannel_resume),
|
|
|
|
/* ATA methods */
|
|
DEVMETHOD(ata_setmode, ata_pcichannel_setmode),
|
|
DEVMETHOD(ata_getrev, ata_pcichannel_getrev),
|
|
DEVMETHOD(ata_locking, ata_pcichannel_locking),
|
|
DEVMETHOD(ata_reset, ata_pcichannel_reset),
|
|
|
|
{ 0, 0 }
|
|
};
|
|
|
|
driver_t ata_pcichannel_driver = {
|
|
"ata",
|
|
ata_pcichannel_methods,
|
|
sizeof(struct ata_channel),
|
|
};
|
|
|
|
DRIVER_MODULE(ata, atapci, ata_pcichannel_driver, ata_devclass, 0, 0);
|
|
|
|
/*
|
|
* misc support fucntions
|
|
*/
|
|
int
|
|
ata_legacy(device_t dev)
|
|
{
|
|
return (((pci_read_config(dev, PCIR_SUBCLASS, 1) == PCIS_STORAGE_IDE) &&
|
|
(pci_read_config(dev, PCIR_PROGIF, 1)&PCIP_STORAGE_IDE_MASTERDEV)&&
|
|
((pci_read_config(dev, PCIR_PROGIF, 1) &
|
|
(PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC)) !=
|
|
(PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC))) ||
|
|
(!pci_read_config(dev, PCIR_BAR(0), 4) &&
|
|
!pci_read_config(dev, PCIR_BAR(1), 4) &&
|
|
!pci_read_config(dev, PCIR_BAR(2), 4) &&
|
|
!pci_read_config(dev, PCIR_BAR(3), 4) &&
|
|
!pci_read_config(dev, PCIR_BAR(5), 4)));
|
|
}
|
|
|
|
void
|
|
ata_generic_intr(void *data)
|
|
{
|
|
struct ata_pci_controller *ctlr = data;
|
|
struct ata_channel *ch;
|
|
int unit;
|
|
|
|
for (unit = 0; unit < ATA_PCI_MAX_CH; unit++) {
|
|
if ((ch = ctlr->interrupt[unit].argument))
|
|
ctlr->interrupt[unit].function(ch);
|
|
}
|
|
}
|
|
|
|
int
|
|
ata_setup_interrupt(device_t dev, void *intr_func)
|
|
{
|
|
struct ata_pci_controller *ctlr = device_get_softc(dev);
|
|
int i, msi = 0;
|
|
|
|
if (!ctlr->legacy) {
|
|
if (resource_int_value(device_get_name(dev),
|
|
device_get_unit(dev), "msi", &i) == 0 && i != 0)
|
|
msi = 1;
|
|
if (msi && pci_msi_count(dev) > 0 && pci_alloc_msi(dev, &msi) == 0) {
|
|
ctlr->r_irq_rid = 0x1;
|
|
} else {
|
|
msi = 0;
|
|
ctlr->r_irq_rid = ATA_IRQ_RID;
|
|
}
|
|
if (!(ctlr->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
|
|
&ctlr->r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) {
|
|
device_printf(dev, "unable to map interrupt\n");
|
|
if (msi)
|
|
pci_release_msi(dev);
|
|
return ENXIO;
|
|
}
|
|
if ((bus_setup_intr(dev, ctlr->r_irq, ATA_INTR_FLAGS, NULL,
|
|
intr_func, ctlr, &ctlr->handle))) {
|
|
device_printf(dev, "unable to setup interrupt\n");
|
|
bus_release_resource(dev,
|
|
SYS_RES_IRQ, ctlr->r_irq_rid, ctlr->r_irq);
|
|
if (msi)
|
|
pci_release_msi(dev);
|
|
return ENXIO;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
ata_set_desc(device_t dev)
|
|
{
|
|
struct ata_pci_controller *ctlr = device_get_softc(dev);
|
|
char buffer[128];
|
|
|
|
sprintf(buffer, "%s %s %s controller",
|
|
ata_pcivendor2str(dev), ctlr->chip->text,
|
|
ata_mode2str(ctlr->chip->max_dma));
|
|
device_set_desc_copy(dev, buffer);
|
|
}
|
|
|
|
struct ata_chip_id *
|
|
ata_match_chip(device_t dev, struct ata_chip_id *index)
|
|
{
|
|
uint32_t devid;
|
|
uint8_t revid;
|
|
|
|
devid = pci_get_devid(dev);
|
|
revid = pci_get_revid(dev);
|
|
while (index->chipid != 0) {
|
|
if (devid == index->chipid && revid >= index->chiprev)
|
|
return (index);
|
|
index++;
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
struct ata_chip_id *
|
|
ata_find_chip(device_t dev, struct ata_chip_id *index, int slot)
|
|
{
|
|
struct ata_chip_id *idx;
|
|
device_t *children;
|
|
int nchildren, i;
|
|
uint8_t s;
|
|
|
|
if (device_get_children(device_get_parent(dev), &children, &nchildren))
|
|
return (NULL);
|
|
|
|
for (i = 0; i < nchildren; i++) {
|
|
s = pci_get_slot(children[i]);
|
|
if ((slot >= 0 && s == slot) || (slot < 0 && s <= -slot)) {
|
|
idx = ata_match_chip(children[i], index);
|
|
if (idx != NULL) {
|
|
free(children, M_TEMP);
|
|
return (idx);
|
|
}
|
|
}
|
|
}
|
|
free(children, M_TEMP);
|
|
return (NULL);
|
|
}
|
|
|
|
char *
|
|
ata_pcivendor2str(device_t dev)
|
|
{
|
|
switch (pci_get_vendor(dev)) {
|
|
case ATA_ACARD_ID: return "Acard";
|
|
case ATA_ACER_LABS_ID: return "AcerLabs";
|
|
case ATA_AMD_ID: return "AMD";
|
|
case ATA_ADAPTEC_ID: return "Adaptec";
|
|
case ATA_ATI_ID: return "ATI";
|
|
case ATA_CYRIX_ID: return "Cyrix";
|
|
case ATA_CYPRESS_ID: return "Cypress";
|
|
case ATA_HIGHPOINT_ID: return "HighPoint";
|
|
case ATA_INTEL_ID: return "Intel";
|
|
case ATA_ITE_ID: return "ITE";
|
|
case ATA_JMICRON_ID: return "JMicron";
|
|
case ATA_MARVELL_ID: return "Marvell";
|
|
case ATA_MARVELL2_ID: return "Marvell";
|
|
case ATA_NATIONAL_ID: return "National";
|
|
case ATA_NETCELL_ID: return "Netcell";
|
|
case ATA_NVIDIA_ID: return "nVidia";
|
|
case ATA_PROMISE_ID: return "Promise";
|
|
case ATA_SERVERWORKS_ID: return "ServerWorks";
|
|
case ATA_SILICON_IMAGE_ID: return "SiI";
|
|
case ATA_SIS_ID: return "SiS";
|
|
case ATA_VIA_ID: return "VIA";
|
|
case ATA_CENATEK_ID: return "Cenatek";
|
|
case ATA_MICRON_ID: return "Micron";
|
|
default: return "Generic";
|
|
}
|
|
}
|
|
|
|
int
|
|
ata_mode2idx(int mode)
|
|
{
|
|
if ((mode & ATA_DMA_MASK) == ATA_UDMA0)
|
|
return (mode & ATA_MODE_MASK) + 8;
|
|
if ((mode & ATA_DMA_MASK) == ATA_WDMA0)
|
|
return (mode & ATA_MODE_MASK) + 5;
|
|
return (mode & ATA_MODE_MASK) - ATA_PIO0;
|
|
}
|