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freebsd-dev/sys/dev/ata/chipsets/ata-sis.c
Alexander Motin 3036de3c48 Reduce priority of ATA/SATA drivers. 
Legacy ata(4) -> BUS_PROBE_LOW_PRIORITY;  more functional ahci(4), siis(4),
mvs(4) -> BUS_PROBE_DEFAULT;  BUS_PROBE_VENDOR leave for vendor drivers.

MFC after:	2 weeks
2015-03-23 19:47:52 +00:00

309 lines
9.9 KiB
C
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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 <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_sis_chipinit(device_t dev);
static int ata_sis_ch_attach(device_t dev);
static void ata_sis_reset(device_t dev);
static int ata_sis_setmode(device_t dev, int target, int mode);
/* misc defines */
#define SIS_33 1
#define SIS_66 2
#define SIS_100NEW 3
#define SIS_100OLD 4
#define SIS_133NEW 5
#define SIS_133OLD 6
#define SIS_SATA 7
/*
* Silicon Integrated Systems Corp. (SiS) chipset support functions
*/
static int
ata_sis_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_SIS182, 0x00, SIS_SATA, 0, ATA_SA150, "182" }, /* south */
{ ATA_SIS181, 0x00, SIS_SATA, 0, ATA_SA150, "181" }, /* south */
{ ATA_SIS180, 0x00, SIS_SATA, 0, ATA_SA150, "180" }, /* south */
{ ATA_SIS965, 0x00, SIS_133NEW, 0, ATA_UDMA6, "965" }, /* south */
{ ATA_SIS964, 0x00, SIS_133NEW, 0, ATA_UDMA6, "964" }, /* south */
{ ATA_SIS963, 0x00, SIS_133NEW, 0, ATA_UDMA6, "963" }, /* south */
{ ATA_SIS962, 0x00, SIS_133NEW, 0, ATA_UDMA6, "962" }, /* south */
{ ATA_SIS745, 0x00, SIS_100NEW, 0, ATA_UDMA5, "745" }, /* 1chip */
{ ATA_SIS735, 0x00, SIS_100NEW, 0, ATA_UDMA5, "735" }, /* 1chip */
{ ATA_SIS733, 0x00, SIS_100NEW, 0, ATA_UDMA5, "733" }, /* 1chip */
{ ATA_SIS730, 0x00, SIS_100OLD, 0, ATA_UDMA5, "730" }, /* 1chip */
{ ATA_SIS635, 0x00, SIS_100NEW, 0, ATA_UDMA5, "635" }, /* 1chip */
{ ATA_SIS633, 0x00, SIS_100NEW, 0, ATA_UDMA5, "633" }, /* unknown */
{ ATA_SIS630, 0x30, SIS_100OLD, 0, ATA_UDMA5, "630S"}, /* 1chip */
{ ATA_SIS630, 0x00, SIS_66, 0, ATA_UDMA4, "630" }, /* 1chip */
{ ATA_SIS620, 0x00, SIS_66, 0, ATA_UDMA4, "620" }, /* 1chip */
{ ATA_SIS550, 0x00, SIS_66, 0, ATA_UDMA5, "550" },
{ ATA_SIS540, 0x00, SIS_66, 0, ATA_UDMA4, "540" },
{ ATA_SIS530, 0x00, SIS_66, 0, ATA_UDMA4, "530" },
{ ATA_SIS5513, 0xc2, SIS_33, 1, ATA_UDMA2, "5513" },
{ ATA_SIS5513, 0x00, SIS_33, 1, ATA_WDMA2, "5513" },
{ 0, 0, 0, 0, 0, 0 }};
static struct ata_chip_id id[] =
{{ ATA_SISSOUTH, 0x10, 0, 0, 0, "" }, { 0, 0, 0, 0, 0, 0 }};
char buffer[64];
int found = 0;
if (pci_get_class(dev) != PCIC_STORAGE)
return (ENXIO);
if (pci_get_vendor(dev) != ATA_SIS_ID)
return ENXIO;
if (!(idx = ata_find_chip(dev, ids, -pci_get_slot(dev))))
return ENXIO;
if (idx->cfg2) {
u_int8_t reg57 = pci_read_config(dev, 0x57, 1);
pci_write_config(dev, 0x57, (reg57 & 0x7f), 1);
if (pci_read_config(dev, PCIR_DEVVENDOR, 4) == ATA_SIS5518) {
found = 1;
memcpy(&id[0], idx, sizeof(id[0]));
id[0].cfg1 = SIS_133NEW;
id[0].max_dma = ATA_UDMA6;
sprintf(buffer, "SiS 962/963 %s controller",
ata_mode2str(idx->max_dma));
}
pci_write_config(dev, 0x57, reg57, 1);
}
if (idx->cfg2 && !found) {
u_int8_t reg4a = pci_read_config(dev, 0x4a, 1);
pci_write_config(dev, 0x4a, (reg4a | 0x10), 1);
if (pci_read_config(dev, PCIR_DEVVENDOR, 4) == ATA_SIS5517) {
found = 1;
if (ata_find_chip(dev, id, pci_get_slot(dev))) {
id[0].cfg1 = SIS_133OLD;
id[0].max_dma = ATA_UDMA6;
} else {
id[0].cfg1 = SIS_100NEW;
id[0].max_dma = ATA_UDMA5;
}
sprintf(buffer, "SiS 961 %s controller",ata_mode2str(idx->max_dma));
}
pci_write_config(dev, 0x4a, reg4a, 1);
}
if (!found)
sprintf(buffer,"SiS %s %s controller",
idx->text, ata_mode2str(idx->max_dma));
else
idx = &id[0];
device_set_desc_copy(dev, buffer);
ctlr->chip = idx;
ctlr->chipinit = ata_sis_chipinit;
return (BUS_PROBE_LOW_PRIORITY);
}
static int
ata_sis_chipinit(device_t dev)
{
struct ata_pci_controller *ctlr = device_get_softc(dev);
if (ata_setup_interrupt(dev, ata_generic_intr))
return ENXIO;
switch (ctlr->chip->cfg1) {
case SIS_33:
break;
case SIS_66:
case SIS_100OLD:
pci_write_config(dev, 0x52, pci_read_config(dev, 0x52, 1) & ~0x04, 1);
break;
case SIS_100NEW:
case SIS_133OLD:
pci_write_config(dev, 0x49, pci_read_config(dev, 0x49, 1) & ~0x01, 1);
break;
case SIS_133NEW:
pci_write_config(dev, 0x50, pci_read_config(dev, 0x50, 2) | 0x0008, 2);
pci_write_config(dev, 0x52, pci_read_config(dev, 0x52, 2) | 0x0008, 2);
break;
case SIS_SATA:
ctlr->r_type2 = SYS_RES_IOPORT;
ctlr->r_rid2 = PCIR_BAR(5);
if ((ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2,
&ctlr->r_rid2, RF_ACTIVE))) {
ctlr->ch_attach = ata_sis_ch_attach;
ctlr->ch_detach = ata_pci_ch_detach;
ctlr->reset = ata_sis_reset;
}
ctlr->setmode = ata_sata_setmode;
ctlr->getrev = ata_sata_getrev;
return 0;
default:
return ENXIO;
}
ctlr->setmode = ata_sis_setmode;
return 0;
}
static int
ata_sis_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);
int offset = ch->unit << ((ctlr->chip->chipid == ATA_SIS182) ? 5 : 6);
/* 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 = 0x00 + offset;
ch->r_io[ATA_SERROR].res = ctlr->r_res2;
ch->r_io[ATA_SERROR].offset = 0x04 + offset;
ch->r_io[ATA_SCONTROL].res = ctlr->r_res2;
ch->r_io[ATA_SCONTROL].offset = 0x08 + offset;
ch->flags |= ATA_NO_SLAVE;
ch->flags |= ATA_SATA;
/* XXX SOS PHY hotplug handling missing in SiS chip ?? */
/* XXX SOS unknown how to enable PHY state change interrupt */
return 0;
}
static void
ata_sis_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_sis_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;
mode = min(mode, ctlr->chip->max_dma);
if (ctlr->chip->cfg1 == SIS_133NEW) {
if (ata_dma_check_80pin && mode > ATA_UDMA2 &&
pci_read_config(parent, ch->unit ? 0x52 : 0x50,2) & 0x8000) {
ata_print_cable(dev, "controller");
mode = ATA_UDMA2;
}
} else {
if (ata_dma_check_80pin && mode > ATA_UDMA2 &&
pci_read_config(parent, 0x48, 1)&(ch->unit ? 0x20 : 0x10)) {
ata_print_cable(dev, "controller");
mode = ATA_UDMA2;
}
}
switch (ctlr->chip->cfg1) {
case SIS_133NEW: {
static const uint32_t timings[] =
{ 0x28269008, 0x0c266008, 0x04263008, 0x0c0a3008, 0x05093008,
0x22196008, 0x0c0a3008, 0x05093008, 0x050939fc, 0x050936ac,
0x0509347c, 0x0509325c, 0x0509323c, 0x0509322c, 0x0509321c};
u_int32_t reg;
reg = (pci_read_config(parent, 0x57, 1)&0x40?0x70:0x40)+(devno<<2);
pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 4);
break;
}
case SIS_133OLD: {
static const uint16_t timings[] =
{ 0x00cb, 0x0067, 0x0044, 0x0033, 0x0031, 0x0044, 0x0033, 0x0031,
0x8f31, 0x8a31, 0x8731, 0x8531, 0x8331, 0x8231, 0x8131 };
u_int16_t reg = 0x40 + (devno << 1);
pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 2);
break;
}
case SIS_100NEW: {
static const uint16_t timings[] =
{ 0x00cb, 0x0067, 0x0044, 0x0033, 0x0031, 0x0044, 0x0033,
0x0031, 0x8b31, 0x8731, 0x8531, 0x8431, 0x8231, 0x8131 };
u_int16_t reg = 0x40 + (devno << 1);
pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 2);
break;
}
case SIS_100OLD:
case SIS_66:
case SIS_33: {
static const uint16_t timings[] =
{ 0x0c0b, 0x0607, 0x0404, 0x0303, 0x0301, 0x0404, 0x0303,
0x0301, 0xf301, 0xd301, 0xb301, 0xa301, 0x9301, 0x8301 };
u_int16_t reg = 0x40 + (devno << 1);
pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 2);
break;
}
}
return (mode);
}
ATA_DECLARE_DRIVER(ata_sis);
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