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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: release/9.1.0/sys/dev/ata/chipsets/ata-nvidia.c 233717 2012-03-30 23:56:16Z marius $");
#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_nvidia_chipinit(device_t dev);
static int ata_nvidia_ch_attach(device_t dev);
static int ata_nvidia_ch_attach_dumb(device_t dev);
static int ata_nvidia_status(device_t dev);
static void ata_nvidia_reset(device_t dev);
static int ata_nvidia_setmode(device_t dev, int target, int mode);
/* misc defines */
#define NV4 0x01
#define NVQ 0x02
#define NVAHCI 0x04
#define NVNOFORCE 0x08
static int force_ahci = 1;
TUNABLE_INT("hw.ahci.force", &force_ahci);
/*
* nVidia chipset support functions
*/
static int
ata_nvidia_probe(device_t dev)
{
struct ata_pci_controller *ctlr = device_get_softc(dev);
static const struct ata_chip_id const ids[] =
{{ ATA_NFORCE1, 0, 0, 0, ATA_UDMA5, "nForce" },
{ ATA_NFORCE2, 0, 0, 0, ATA_UDMA6, "nForce2" },
{ ATA_NFORCE2_PRO, 0, 0, 0, ATA_UDMA6, "nForce2 Pro" },
{ ATA_NFORCE2_PRO_S1, 0, 0, 0, ATA_SA150, "nForce2 Pro" },
{ ATA_NFORCE3, 0, 0, 0, ATA_UDMA6, "nForce3" },
{ ATA_NFORCE3_PRO, 0, 0, 0, ATA_UDMA6, "nForce3 Pro" },
{ ATA_NFORCE3_PRO_S1, 0, 0, 0, ATA_SA150, "nForce3 Pro" },
{ ATA_NFORCE3_PRO_S2, 0, 0, 0, ATA_SA150, "nForce3 Pro" },
{ ATA_NFORCE_MCP04, 0, 0, 0, ATA_UDMA6, "nForce MCP" },
{ ATA_NFORCE_MCP04_S1, 0, NV4, 0, ATA_SA150, "nForce MCP" },
{ ATA_NFORCE_MCP04_S2, 0, NV4, 0, ATA_SA150, "nForce MCP" },
{ ATA_NFORCE_CK804, 0, 0, 0, ATA_UDMA6, "nForce CK804" },
{ ATA_NFORCE_CK804_S1, 0, NV4, 0, ATA_SA300, "nForce CK804" },
{ ATA_NFORCE_CK804_S2, 0, NV4, 0, ATA_SA300, "nForce CK804" },
{ ATA_NFORCE_MCP51, 0, 0, 0, ATA_UDMA6, "nForce MCP51" },
{ ATA_NFORCE_MCP51_S1, 0, NV4|NVQ, 0, ATA_SA300, "nForce MCP51" },
{ ATA_NFORCE_MCP51_S2, 0, NV4|NVQ, 0, ATA_SA300, "nForce MCP51" },
{ ATA_NFORCE_MCP55, 0, 0, 0, ATA_UDMA6, "nForce MCP55" },
{ ATA_NFORCE_MCP55_S1, 0, NV4|NVQ, 0, ATA_SA300, "nForce MCP55" },
{ ATA_NFORCE_MCP55_S2, 0, NV4|NVQ, 0, ATA_SA300, "nForce MCP55" },
{ ATA_NFORCE_MCP61, 0, 0, 0, ATA_UDMA6, "nForce MCP61" },
{ ATA_NFORCE_MCP61_S1, 0, NV4|NVQ, 0, ATA_SA300, "nForce MCP61" },
{ ATA_NFORCE_MCP61_S2, 0, NV4|NVQ, 0, ATA_SA300, "nForce MCP61" },
{ ATA_NFORCE_MCP61_S3, 0, NV4|NVQ, 0, ATA_SA300, "nForce MCP61" },
{ ATA_NFORCE_MCP65, 0, 0, 0, ATA_UDMA6, "nForce MCP65" },
{ ATA_NFORCE_MCP65_A0, 0, NVAHCI, 0, ATA_SA300, "nForce MCP65" },
{ ATA_NFORCE_MCP65_A1, 0, NVAHCI, 0, ATA_SA300, "nForce MCP65" },
{ ATA_NFORCE_MCP65_A2, 0, NVAHCI, 0, ATA_SA300, "nForce MCP65" },
{ ATA_NFORCE_MCP65_A3, 0, NVAHCI, 0, ATA_SA300, "nForce MCP65" },
{ ATA_NFORCE_MCP65_A4, 0, NVAHCI, 0, ATA_SA300, "nForce MCP65" },
{ ATA_NFORCE_MCP65_A5, 0, NVAHCI, 0, ATA_SA300, "nForce MCP65" },
{ ATA_NFORCE_MCP65_A6, 0, NVAHCI, 0, ATA_SA300, "nForce MCP65" },
{ ATA_NFORCE_MCP65_A7, 0, NVAHCI, 0, ATA_SA300, "nForce MCP65" },
{ ATA_NFORCE_MCP67, 0, 0, 0, ATA_UDMA6, "nForce MCP67" },
{ ATA_NFORCE_MCP67_A0, 0, NVAHCI, 0, ATA_SA300, "nForce MCP67" },
{ ATA_NFORCE_MCP67_A1, 0, NVAHCI, 0, ATA_SA300, "nForce MCP67" },
{ ATA_NFORCE_MCP67_A2, 0, NVAHCI, 0, ATA_SA300, "nForce MCP67" },
{ ATA_NFORCE_MCP67_A3, 0, NVAHCI, 0, ATA_SA300, "nForce MCP67" },
{ ATA_NFORCE_MCP67_A4, 0, NVAHCI, 0, ATA_SA300, "nForce MCP67" },
{ ATA_NFORCE_MCP67_A5, 0, NVAHCI, 0, ATA_SA300, "nForce MCP67" },
{ ATA_NFORCE_MCP67_A6, 0, NVAHCI, 0, ATA_SA300, "nForce MCP67" },
{ ATA_NFORCE_MCP67_A7, 0, NVAHCI, 0, ATA_SA300, "nForce MCP67" },
{ ATA_NFORCE_MCP67_A8, 0, NVAHCI, 0, ATA_SA300, "nForce MCP67" },
{ ATA_NFORCE_MCP67_A9, 0, NVAHCI, 0, ATA_SA300, "nForce MCP67" },
{ ATA_NFORCE_MCP67_AA, 0, NVAHCI, 0, ATA_SA300, "nForce MCP67" },
{ ATA_NFORCE_MCP67_AB, 0, NVAHCI, 0, ATA_SA300, "nForce MCP67" },
{ ATA_NFORCE_MCP67_AC, 0, NVAHCI, 0, ATA_SA300, "nForce MCP67" },
{ ATA_NFORCE_MCP73, 0, 0, 0, ATA_UDMA6, "nForce MCP73" },
{ ATA_NFORCE_MCP73_A0, 0, NVAHCI, 0, ATA_SA300, "nForce MCP73" },
{ ATA_NFORCE_MCP73_A1, 0, NVAHCI, 0, ATA_SA300, "nForce MCP73" },
{ ATA_NFORCE_MCP73_A2, 0, NVAHCI, 0, ATA_SA300, "nForce MCP73" },
{ ATA_NFORCE_MCP73_A3, 0, NVAHCI, 0, ATA_SA300, "nForce MCP73" },
{ ATA_NFORCE_MCP73_A4, 0, NVAHCI, 0, ATA_SA300, "nForce MCP73" },
{ ATA_NFORCE_MCP73_A5, 0, NVAHCI, 0, ATA_SA300, "nForce MCP73" },
{ ATA_NFORCE_MCP73_A6, 0, NVAHCI, 0, ATA_SA300, "nForce MCP73" },
{ ATA_NFORCE_MCP73_A7, 0, NVAHCI, 0, ATA_SA300, "nForce MCP73" },
{ ATA_NFORCE_MCP73_A8, 0, NVAHCI, 0, ATA_SA300, "nForce MCP73" },
{ ATA_NFORCE_MCP73_A9, 0, NVAHCI, 0, ATA_SA300, "nForce MCP73" },
{ ATA_NFORCE_MCP73_AA, 0, NVAHCI, 0, ATA_SA300, "nForce MCP73" },
{ ATA_NFORCE_MCP73_AB, 0, NVAHCI, 0, ATA_SA300, "nForce MCP73" },
{ ATA_NFORCE_MCP77, 0, 0, 0, ATA_UDMA6, "nForce MCP77" },
{ ATA_NFORCE_MCP77_A0, 0, NVAHCI, 0, ATA_SA300, "nForce MCP77" },
{ ATA_NFORCE_MCP77_A1, 0, NVAHCI, 0, ATA_SA300, "nForce MCP77" },
{ ATA_NFORCE_MCP77_A2, 0, NVAHCI, 0, ATA_SA300, "nForce MCP77" },
{ ATA_NFORCE_MCP77_A3, 0, NVAHCI, 0, ATA_SA300, "nForce MCP77" },
{ ATA_NFORCE_MCP77_A4, 0, NVAHCI, 0, ATA_SA300, "nForce MCP77" },
{ ATA_NFORCE_MCP77_A5, 0, NVAHCI, 0, ATA_SA300, "nForce MCP77" },
{ ATA_NFORCE_MCP77_A6, 0, NVAHCI, 0, ATA_SA300, "nForce MCP77" },
{ ATA_NFORCE_MCP77_A7, 0, NVAHCI, 0, ATA_SA300, "nForce MCP77" },
{ ATA_NFORCE_MCP77_A8, 0, NVAHCI, 0, ATA_SA300, "nForce MCP77" },
{ ATA_NFORCE_MCP77_A9, 0, NVAHCI, 0, ATA_SA300, "nForce MCP77" },
{ ATA_NFORCE_MCP77_AA, 0, NVAHCI, 0, ATA_SA300, "nForce MCP77" },
{ ATA_NFORCE_MCP77_AB, 0, NVAHCI, 0, ATA_SA300, "nForce MCP77" },
{ ATA_NFORCE_MCP79_A0, 0, NVAHCI, 0, ATA_SA300, "nForce MCP79" },
{ ATA_NFORCE_MCP79_A1, 0, NVAHCI, 0, ATA_SA300, "nForce MCP79" },
{ ATA_NFORCE_MCP79_A2, 0, NVAHCI, 0, ATA_SA300, "nForce MCP79" },
{ ATA_NFORCE_MCP79_A3, 0, NVAHCI, 0, ATA_SA300, "nForce MCP79" },
{ ATA_NFORCE_MCP79_A4, 0, NVAHCI, 0, ATA_SA300, "nForce MCP79" },
{ ATA_NFORCE_MCP79_A5, 0, NVAHCI, 0, ATA_SA300, "nForce MCP79" },
{ ATA_NFORCE_MCP79_A6, 0, NVAHCI, 0, ATA_SA300, "nForce MCP79" },
{ ATA_NFORCE_MCP79_A7, 0, NVAHCI, 0, ATA_SA300, "nForce MCP79" },
{ ATA_NFORCE_MCP79_A8, 0, NVAHCI, 0, ATA_SA300, "nForce MCP79" },
{ ATA_NFORCE_MCP79_A9, 0, NVAHCI, 0, ATA_SA300, "nForce MCP79" },
{ ATA_NFORCE_MCP79_AA, 0, NVAHCI, 0, ATA_SA300, "nForce MCP79" },
{ ATA_NFORCE_MCP79_AB, 0, NVAHCI, 0, ATA_SA300, "nForce MCP79" },
{ ATA_NFORCE_MCP89_A0, 0, NVAHCI, 0, ATA_SA300, "nForce MCP89" },
{ ATA_NFORCE_MCP89_A1, 0, NVAHCI|NVNOFORCE, 0, ATA_SA300, "nForce MCP89" },
{ ATA_NFORCE_MCP89_A2, 0, NVAHCI, 0, ATA_SA300, "nForce MCP89" },
{ ATA_NFORCE_MCP89_A3, 0, NVAHCI, 0, ATA_SA300, "nForce MCP89" },
{ ATA_NFORCE_MCP89_A4, 0, NVAHCI, 0, ATA_SA300, "nForce MCP89" },
{ ATA_NFORCE_MCP89_A5, 0, NVAHCI, 0, ATA_SA300, "nForce MCP89" },
{ ATA_NFORCE_MCP89_A6, 0, NVAHCI, 0, ATA_SA300, "nForce MCP89" },
{ ATA_NFORCE_MCP89_A7, 0, NVAHCI, 0, ATA_SA300, "nForce MCP89" },
{ ATA_NFORCE_MCP89_A8, 0, NVAHCI, 0, ATA_SA300, "nForce MCP89" },
{ ATA_NFORCE_MCP89_A9, 0, NVAHCI, 0, ATA_SA300, "nForce MCP89" },
{ ATA_NFORCE_MCP89_AA, 0, NVAHCI, 0, ATA_SA300, "nForce MCP89" },
{ ATA_NFORCE_MCP89_AB, 0, NVAHCI, 0, ATA_SA300, "nForce MCP89" },
{ 0, 0, 0, 0, 0, 0}} ;
if (pci_get_vendor(dev) != ATA_NVIDIA_ID)
return ENXIO;
if (!(ctlr->chip = ata_match_chip(dev, ids)))
return ENXIO;
ata_set_desc(dev);
if ((ctlr->chip->cfg1 & NVAHCI) &&
((force_ahci == 1 && (ctlr->chip->cfg1 & NVNOFORCE) == 0) ||
pci_get_subclass(dev) != PCIS_STORAGE_IDE))
ctlr->chipinit = ata_ahci_chipinit;
else
ctlr->chipinit = ata_nvidia_chipinit;
return (BUS_PROBE_DEFAULT);
}
static int
ata_nvidia_chipinit(device_t dev)
{
struct ata_pci_controller *ctlr = device_get_softc(dev);
if (ata_setup_interrupt(dev, ata_generic_intr))
return ENXIO;
if (ctlr->chip->cfg1 & NVAHCI) {
ctlr->ch_attach = ata_nvidia_ch_attach_dumb;
ctlr->setmode = ata_sata_setmode;
} else if (ctlr->chip->max_dma >= ATA_SA150) {
if (pci_read_config(dev, PCIR_BAR(5), 1) & 1)
ctlr->r_type2 = SYS_RES_IOPORT;
else
ctlr->r_type2 = SYS_RES_MEMORY;
ctlr->r_rid2 = PCIR_BAR(5);
if ((ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2,
&ctlr->r_rid2, RF_ACTIVE))) {
int offset = ctlr->chip->cfg1 & NV4 ? 0x0440 : 0x0010;
ctlr->ch_attach = ata_nvidia_ch_attach;
ctlr->ch_detach = ata_pci_ch_detach;
ctlr->reset = ata_nvidia_reset;
/* enable control access */
pci_write_config(dev, 0x50, pci_read_config(dev, 0x50, 1) | 0x04,1);
/* MCP55 seems to need some time to allow r_res2 read. */
DELAY(10);
if (ctlr->chip->cfg1 & NVQ) {
/* clear interrupt status */
ATA_OUTL(ctlr->r_res2, offset, 0x00ff00ff);
/* enable device and PHY state change interrupts */
ATA_OUTL(ctlr->r_res2, offset + 4, 0x000d000d);
/* disable NCQ support */
ATA_OUTL(ctlr->r_res2, 0x0400,
ATA_INL(ctlr->r_res2, 0x0400) & 0xfffffff9);
}
else {
/* clear interrupt status */
ATA_OUTB(ctlr->r_res2, offset, 0xff);
/* enable device and PHY state change interrupts */
ATA_OUTB(ctlr->r_res2, offset + 1, 0xdd);
}
}
ctlr->setmode = ata_sata_setmode;
ctlr->getrev = ata_sata_getrev;
}
else {
/* disable prefetch, postwrite */
pci_write_config(dev, 0x51, pci_read_config(dev, 0x51, 1) & 0x0f, 1);
ctlr->setmode = ata_nvidia_setmode;
}
return 0;
}
static int
ata_nvidia_ch_attach(device_t dev)
{
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
struct ata_channel *ch = device_get_softc(dev);
/* setup the usual register normal pci style */
if (ata_pci_ch_attach(dev))
return ENXIO;
ch->r_io[ATA_SSTATUS].res = ctlr->r_res2;
ch->r_io[ATA_SSTATUS].offset = (ch->unit << 6);
ch->r_io[ATA_SERROR].res = ctlr->r_res2;
ch->r_io[ATA_SERROR].offset = 0x04 + (ch->unit << 6);
ch->r_io[ATA_SCONTROL].res = ctlr->r_res2;
ch->r_io[ATA_SCONTROL].offset = 0x08 + (ch->unit << 6);
ch->hw.status = ata_nvidia_status;
ch->flags |= ATA_NO_SLAVE;
ch->flags |= ATA_SATA;
return 0;
}
static int
ata_nvidia_ch_attach_dumb(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
if (ata_pci_ch_attach(dev))
return ENXIO;
ch->flags |= ATA_SATA;
return 0;
}
static int
ata_nvidia_status(device_t dev)
{
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
struct ata_channel *ch = device_get_softc(dev);
int offset = ctlr->chip->cfg1 & NV4 ? 0x0440 : 0x0010;
int shift = ch->unit << (ctlr->chip->cfg1 & NVQ ? 4 : 2);
u_int32_t istatus;
/* get interrupt status */
if (ctlr->chip->cfg1 & NVQ)
istatus = ATA_INL(ctlr->r_res2, offset);
else
istatus = ATA_INB(ctlr->r_res2, offset);
/* do we have any PHY events ? */
if (istatus & (0x0c << shift))
ata_sata_phy_check_events(dev, -1);
/* clear interrupt(s) */
if (ctlr->chip->cfg1 & NVQ)
ATA_OUTL(ctlr->r_res2, offset, (0x0f << shift) | 0x00f000f0);
else
ATA_OUTB(ctlr->r_res2, offset, (0x0f << shift));
/* do we have any device action ? */
return (istatus & (0x01 << shift));
}
static void
ata_nvidia_reset(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
if (ata_sata_phy_reset(dev, -1, 1))
ata_generic_reset(dev);
else
ch->devices = 0;
}
static int
ata_nvidia_setmode(device_t dev, int target, int mode)
{
device_t parent = device_get_parent(dev);
struct ata_pci_controller *ctlr = device_get_softc(parent);
struct ata_channel *ch = device_get_softc(dev);
int devno = (ch->unit << 1) + target;
int piomode;
static const uint8_t timings[] =
{ 0xa8, 0x65, 0x42, 0x22, 0x20, 0xa8, 0x22, 0x20 };
static const uint8_t modes[] =
{ 0xc2, 0xc1, 0xc0, 0xc4, 0xc5, 0xc6, 0xc7 };
int reg = 0x63 - devno;
mode = min(mode, ctlr->chip->max_dma);
if (mode >= ATA_UDMA0) {
pci_write_config(parent, reg, modes[mode & ATA_MODE_MASK], 1);
piomode = ATA_PIO4;
} else {
pci_write_config(parent, reg, 0x8b, 1);
piomode = mode;
}
pci_write_config(parent, reg - 0x08, timings[ata_mode2idx(piomode)], 1);
return (mode);
}
ATA_DECLARE_DRIVER(ata_nvidia);
MODULE_DEPEND(ata_nvidia, ata_ahci, 1, 1, 1);