d2ce15bd43
option left but actually consumed by ada(4), so move it to opt_ada.h and get rid of opt_ata.h. - Fix stand-alone build of atacore(4) by adding opt_cam.h. - Use __FBSDID. - Use DEVMETHOD_END. - Use NULL instead of 0 for pointers.
163 lines
5.0 KiB
C
163 lines
5.0 KiB
C
/*-
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* Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/module.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/ata.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <sys/malloc.h>
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#include <sys/lock.h>
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#include <sys/mutex.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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/* local prototypes */
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static int ata_jmicron_chipinit(device_t dev);
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static int ata_jmicron_ch_attach(device_t dev);
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static int ata_jmicron_setmode(device_t dev, int target, int mode);
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/*
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* JMicron chipset support functions
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*/
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static int
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ata_jmicron_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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const struct ata_chip_id *idx;
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static const struct ata_chip_id ids[] =
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{{ ATA_JMB360, 0, 1, 0, ATA_SA300, "JMB360" },
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{ ATA_JMB361, 0, 1, 1, ATA_UDMA6, "JMB361" },
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{ ATA_JMB362, 0, 2, 0, ATA_SA300, "JMB362" },
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{ ATA_JMB363, 0, 2, 1, ATA_UDMA6, "JMB363" },
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{ ATA_JMB365, 0, 1, 2, ATA_UDMA6, "JMB365" },
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{ ATA_JMB366, 0, 2, 2, ATA_UDMA6, "JMB366" },
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{ ATA_JMB368, 0, 0, 1, ATA_UDMA6, "JMB368" },
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{ 0, 0, 0, 0, 0, 0}};
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char buffer[64];
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if (pci_get_vendor(dev) != ATA_JMICRON_ID)
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return ENXIO;
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if (!(idx = ata_match_chip(dev, ids)))
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return ENXIO;
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sprintf(buffer, "JMicron %s %s controller",
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idx->text, ata_mode2str(idx->max_dma));
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device_set_desc_copy(dev, buffer);
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ctlr->chip = idx;
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ctlr->chipinit = ata_jmicron_chipinit;
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return (BUS_PROBE_DEFAULT);
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}
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static int
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ata_jmicron_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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device_t child;
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if (ata_setup_interrupt(dev, ata_generic_intr))
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return ENXIO;
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/* do we have multiple PCI functions ? */
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if (pci_read_config(dev, 0xdf, 1) & 0x40) {
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/* are we on the AHCI part ? */
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if (ata_ahci_chipinit(dev) != ENXIO)
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return 0;
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/* otherwise we are on the PATA part */
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ctlr->ch_attach = ata_jmicron_ch_attach;
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ctlr->ch_detach = ata_pci_ch_detach;
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ctlr->reset = ata_generic_reset;
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ctlr->setmode = ata_jmicron_setmode;
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ctlr->channels = ctlr->chip->cfg2;
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}
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else {
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/* set controller configuration to a combined setup we support */
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pci_write_config(dev, 0x40, 0x80c0a131, 4);
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pci_write_config(dev, 0x80, 0x01200000, 4);
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/* Create AHCI subdevice if AHCI part present. */
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if (ctlr->chip->cfg1) {
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child = device_add_child(dev, NULL, -1);
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if (child != NULL) {
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device_set_ivars(child, (void *)(intptr_t)-1);
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bus_generic_attach(dev);
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}
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}
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ctlr->ch_attach = ata_jmicron_ch_attach;
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ctlr->ch_detach = ata_pci_ch_detach;
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ctlr->reset = ata_generic_reset;
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ctlr->setmode = ata_jmicron_setmode;
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ctlr->channels = ctlr->chip->cfg2;
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}
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return 0;
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}
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static int
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ata_jmicron_ch_attach(device_t dev)
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{
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struct ata_channel *ch = device_get_softc(dev);
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int error;
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error = ata_pci_ch_attach(dev);
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ch->flags |= ATA_CHECKS_CABLE;
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return (error);
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}
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static int
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ata_jmicron_setmode(device_t dev, int target, int mode)
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{
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struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
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mode = min(mode, ctlr->chip->max_dma);
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/* check for 80pin cable present */
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if (ata_dma_check_80pin && mode > ATA_UDMA2 &&
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pci_read_config(dev, 0x40, 1) & 0x08) {
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ata_print_cable(dev, "controller");
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mode = ATA_UDMA2;
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}
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/* Nothing to do to setup mode, the controller snoop SET_FEATURE cmd. */
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return (mode);
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}
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ATA_DECLARE_DRIVER(ata_jmicron);
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MODULE_DEPEND(ata_jmicron, ata_ahci, 1, 1, 1);
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