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