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| Current File : //compat/linux/proc/68247/root/compat/linux/proc/68247/root/sys/dev/ata/chipsets/ata-siliconimage.c |
/*-
* 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-siliconimage.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_cmd_ch_attach(device_t dev);
static int ata_cmd_status(device_t dev);
static int ata_cmd_setmode(device_t dev, int target, int mode);
static int ata_sii_ch_attach(device_t dev);
static int ata_sii_ch_detach(device_t dev);
static int ata_sii_status(device_t dev);
static void ata_sii_reset(device_t dev);
static int ata_sii_setmode(device_t dev, int target, int mode);
static int ata_siiprb_ch_attach(device_t dev);
static int ata_siiprb_ch_detach(device_t dev);
static int ata_siiprb_status(device_t dev);
static int ata_siiprb_begin_transaction(struct ata_request *request);
static int ata_siiprb_end_transaction(struct ata_request *request);
static int ata_siiprb_pm_read(device_t dev, int port, int reg, u_int32_t *result);
static int ata_siiprb_pm_write(device_t dev, int port, int reg, u_int32_t result);
static u_int32_t ata_siiprb_softreset(device_t dev, int port);
static void ata_siiprb_reset(device_t dev);
static void ata_siiprb_dmasetprd(void *xsc, bus_dma_segment_t *segs, int nsegs, int error);
static void ata_siiprb_dmainit(device_t dev);
/* misc defines */
#define SII_MEMIO 1
#define SII_PRBIO 2
#define SII_INTR 0x01
#define SII_SETCLK 0x02
#define SII_BUG 0x04
#define SII_4CH 0x08
/*
* Silicon Image Inc. (SiI) (former CMD) chipset support functions
*/
static int
ata_sii_probe(device_t dev)
{
struct ata_pci_controller *ctlr = device_get_softc(dev);
static const struct ata_chip_id const ids[] =
{{ ATA_SII3114, 0x00, SII_MEMIO, SII_4CH, ATA_SA150, "3114" },
{ ATA_SII3512, 0x02, SII_MEMIO, 0, ATA_SA150, "3512" },
{ ATA_SII3112, 0x02, SII_MEMIO, 0, ATA_SA150, "3112" },
{ ATA_SII3112_1, 0x02, SII_MEMIO, 0, ATA_SA150, "3112" },
{ ATA_SII3512, 0x00, SII_MEMIO, SII_BUG, ATA_SA150, "3512" },
{ ATA_SII3112, 0x00, SII_MEMIO, SII_BUG, ATA_SA150, "3112" },
{ ATA_SII3112_1, 0x00, SII_MEMIO, SII_BUG, ATA_SA150, "3112" },
{ ATA_SII3124, 0x00, SII_PRBIO, SII_4CH, ATA_SA300, "3124" },
{ ATA_SII3132, 0x00, SII_PRBIO, 0, ATA_SA300, "3132" },
{ ATA_SII3132_1, 0x00, SII_PRBIO, 0, ATA_SA300, "3132" },
{ ATA_SII3132_2, 0x00, SII_PRBIO, 0, ATA_SA300, "3132" },
{ ATA_SII0680, 0x00, SII_MEMIO, SII_SETCLK, ATA_UDMA6, "680" },
{ ATA_CMD649, 0x00, 0, SII_INTR, ATA_UDMA5, "(CMD) 649" },
{ ATA_CMD648, 0x00, 0, SII_INTR, ATA_UDMA4, "(CMD) 648" },
{ ATA_CMD646, 0x07, 0, 0, ATA_UDMA2, "(CMD) 646U2" },
{ ATA_CMD646, 0x00, 0, 0, ATA_WDMA2, "(CMD) 646" },
{ 0, 0, 0, 0, 0, 0}};
if (pci_get_vendor(dev) != ATA_SILICON_IMAGE_ID)
return ENXIO;
if (!(ctlr->chip = ata_match_chip(dev, ids)))
return ENXIO;
ata_set_desc(dev);
ctlr->chipinit = ata_sii_chipinit;
return (BUS_PROBE_DEFAULT);
}
int
ata_sii_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 SII_PRBIO:
ctlr->r_type1 = SYS_RES_MEMORY;
ctlr->r_rid1 = PCIR_BAR(0);
if (!(ctlr->r_res1 = bus_alloc_resource_any(dev, ctlr->r_type1,
&ctlr->r_rid1, RF_ACTIVE)))
return ENXIO;
ctlr->r_rid2 = PCIR_BAR(2);
ctlr->r_type2 = SYS_RES_MEMORY;
if (!(ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2,
&ctlr->r_rid2, RF_ACTIVE))){
bus_release_resource(dev, ctlr->r_type1, ctlr->r_rid1,ctlr->r_res1);
return ENXIO;
}
#ifdef __sparc64__
if (!bus_space_map(rman_get_bustag(ctlr->r_res2),
rman_get_bushandle(ctlr->r_res2), rman_get_size(ctlr->r_res2),
BUS_SPACE_MAP_LINEAR, NULL)) {
bus_release_resource(dev, ctlr->r_type1, ctlr->r_rid1,
ctlr->r_res1);
bus_release_resource(dev, ctlr->r_type2, ctlr->r_rid2,
ctlr->r_res2);
return (ENXIO);
}
#endif
ctlr->ch_attach = ata_siiprb_ch_attach;
ctlr->ch_detach = ata_siiprb_ch_detach;
ctlr->reset = ata_siiprb_reset;
ctlr->setmode = ata_sata_setmode;
ctlr->getrev = ata_sata_getrev;
ctlr->channels = (ctlr->chip->cfg2 == SII_4CH) ? 4 : 2;
/* reset controller */
ATA_OUTL(ctlr->r_res1, 0x0040, 0x80000000);
DELAY(10000);
ATA_OUTL(ctlr->r_res1, 0x0040, 0x0000000f);
break;
case SII_MEMIO:
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))){
if (ctlr->chip->chipid != ATA_SII0680 ||
(pci_read_config(dev, 0x8a, 1) & 1))
return ENXIO;
}
if (ctlr->chip->cfg2 & SII_SETCLK) {
if ((pci_read_config(dev, 0x8a, 1) & 0x30) != 0x10)
pci_write_config(dev, 0x8a,
(pci_read_config(dev, 0x8a, 1) & 0xcf)|0x10,1);
if ((pci_read_config(dev, 0x8a, 1) & 0x30) != 0x10)
device_printf(dev, "%s could not set ATA133 clock\n",
ctlr->chip->text);
}
/* if we have 4 channels enable the second set */
if (ctlr->chip->cfg2 & SII_4CH) {
ATA_OUTL(ctlr->r_res2, 0x0200, 0x00000002);
ctlr->channels = 4;
}
/* dont block interrupts from any channel */
pci_write_config(dev, 0x48,
(pci_read_config(dev, 0x48, 4) & ~0x03c00000), 4);
/* enable PCI interrupt as BIOS might not */
pci_write_config(dev, 0x8a, (pci_read_config(dev, 0x8a, 1) & 0x3f), 1);
if (ctlr->r_res2) {
ctlr->ch_attach = ata_sii_ch_attach;
ctlr->ch_detach = ata_sii_ch_detach;
}
if (ctlr->chip->max_dma >= ATA_SA150) {
ctlr->reset = ata_sii_reset;
ctlr->setmode = ata_sata_setmode;
ctlr->getrev = ata_sata_getrev;
}
else
ctlr->setmode = ata_sii_setmode;
break;
default:
if ((pci_read_config(dev, 0x51, 1) & 0x08) != 0x08) {
device_printf(dev, "HW has secondary channel disabled\n");
ctlr->channels = 1;
}
/* enable interrupt as BIOS might not */
pci_write_config(dev, 0x71, 0x01, 1);
ctlr->ch_attach = ata_cmd_ch_attach;
ctlr->ch_detach = ata_pci_ch_detach;
ctlr->setmode = ata_cmd_setmode;
break;
}
return 0;
}
static int
ata_cmd_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;
if (ctlr->chip->cfg2 & SII_INTR)
ch->hw.status = ata_cmd_status;
#ifdef ATA_CAM
ch->flags |= ATA_NO_ATAPI_DMA;
#endif
return 0;
}
static int
ata_cmd_status(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
u_int8_t reg71;
if (((reg71 = pci_read_config(device_get_parent(dev), 0x71, 1)) &
(ch->unit ? 0x08 : 0x04))) {
pci_write_config(device_get_parent(dev), 0x71,
reg71 & ~(ch->unit ? 0x04 : 0x08), 1);
return ata_pci_status(dev);
}
return 0;
}
static int
ata_cmd_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 treg = 0x54 + ((devno < 3) ? (devno << 1) : 7);
int ureg = ch->unit ? 0x7b : 0x73;
int piomode;
static const uint8_t piotimings[] =
{ 0xa9, 0x57, 0x44, 0x32, 0x3f, 0x87, 0x32, 0x3f };
static const uint8_t udmatimings[][2] =
{ { 0x31, 0xc2 }, { 0x21, 0x82 }, { 0x11, 0x42 },
{ 0x25, 0x8a }, { 0x15, 0x4a }, { 0x05, 0x0a } };
mode = min(mode, ctlr->chip->max_dma);
if (mode >= ATA_UDMA0) {
u_int8_t umode = pci_read_config(parent, ureg, 1);
umode &= ~(target == 0 ? 0x35 : 0xca);
umode |= udmatimings[mode & ATA_MODE_MASK][target];
pci_write_config(parent, ureg, umode, 1);
piomode = ATA_PIO4;
} else {
pci_write_config(parent, ureg,
pci_read_config(parent, ureg, 1) &
~(target == 0 ? 0x35 : 0xca), 1);
piomode = mode;
}
pci_write_config(parent, treg, piotimings[ata_mode2idx(piomode)], 1);
return (mode);
}
static int
ata_sii_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 unit01 = (ch->unit & 1), unit10 = (ch->unit & 2);
int i;
for (i = ATA_DATA; i <= ATA_COMMAND; i++) {
ch->r_io[i].res = ctlr->r_res2;
ch->r_io[i].offset = 0x80 + i + (unit01 << 6) + (unit10 << 8);
}
ch->r_io[ATA_CONTROL].res = ctlr->r_res2;
ch->r_io[ATA_CONTROL].offset = 0x8a + (unit01 << 6) + (unit10 << 8);
ch->r_io[ATA_IDX_ADDR].res = ctlr->r_res2;
ata_default_registers(dev);
ch->r_io[ATA_BMCMD_PORT].res = ctlr->r_res2;
ch->r_io[ATA_BMCMD_PORT].offset = 0x00 + (unit01 << 3) + (unit10 << 8);
ch->r_io[ATA_BMSTAT_PORT].res = ctlr->r_res2;
ch->r_io[ATA_BMSTAT_PORT].offset = 0x02 + (unit01 << 3) + (unit10 << 8);
ch->r_io[ATA_BMDTP_PORT].res = ctlr->r_res2;
ch->r_io[ATA_BMDTP_PORT].offset = 0x04 + (unit01 << 3) + (unit10 << 8);
if (ctlr->chip->max_dma >= ATA_SA150) {
ch->r_io[ATA_SSTATUS].res = ctlr->r_res2;
ch->r_io[ATA_SSTATUS].offset = 0x104 + (unit01 << 7) + (unit10 << 8);
ch->r_io[ATA_SERROR].res = ctlr->r_res2;
ch->r_io[ATA_SERROR].offset = 0x108 + (unit01 << 7) + (unit10 << 8);
ch->r_io[ATA_SCONTROL].res = ctlr->r_res2;
ch->r_io[ATA_SCONTROL].offset = 0x100 + (unit01 << 7) + (unit10 << 8);
ch->flags |= ATA_NO_SLAVE;
ch->flags |= ATA_SATA;
ch->flags |= ATA_KNOWN_PRESENCE;
/* enable PHY state change interrupt */
ATA_OUTL(ctlr->r_res2, 0x148 + (unit01 << 7) + (unit10 << 8),(1 << 16));
}
if (ctlr->chip->cfg2 & SII_BUG) {
/* work around errata in early chips */
ch->dma.boundary = 8192;
ch->dma.segsize = 15 * DEV_BSIZE;
}
ata_pci_hw(dev);
ch->hw.status = ata_sii_status;
if (ctlr->chip->cfg2 & SII_SETCLK)
ch->flags |= ATA_CHECKS_CABLE;
ata_pci_dmainit(dev);
return 0;
}
static int
ata_sii_ch_detach(device_t dev)
{
ata_pci_dmafini(dev);
return (0);
}
static int
ata_sii_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 offset0 = ((ch->unit & 1) << 3) + ((ch->unit & 2) << 8);
int offset1 = ((ch->unit & 1) << 6) + ((ch->unit & 2) << 8);
/* do we have any PHY events ? */
if (ctlr->chip->max_dma >= ATA_SA150 &&
(ATA_INL(ctlr->r_res2, 0x10 + offset0) & 0x00000010))
ata_sata_phy_check_events(dev, -1);
if (ATA_INL(ctlr->r_res2, 0xa0 + offset1) & 0x00000800)
return ata_pci_status(dev);
else
return 0;
}
static void
ata_sii_reset(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 & 1) << 7) + ((ch->unit & 2) << 8);
uint32_t val;
/* Apply R_ERR on DMA activate FIS errata workaround. */
val = ATA_INL(ctlr->r_res2, 0x14c + offset);
if ((val & 0x3) == 0x1)
ATA_OUTL(ctlr->r_res2, 0x14c + offset, val & ~0x3);
if (ata_sata_phy_reset(dev, -1, 1))
ata_generic_reset(dev);
else
ch->devices = 0;
}
static int
ata_sii_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 rego = (ch->unit << 4) + (target << 1);
int mreg = ch->unit ? 0x84 : 0x80;
int mask = 0x03 << (target << 2);
int mval = pci_read_config(parent, mreg, 1) & ~mask;
int piomode;
u_int8_t preg = 0xa4 + rego;
u_int8_t dreg = 0xa8 + rego;
u_int8_t ureg = 0xac + rego;
static const uint16_t piotimings[] =
{ 0x328a, 0x2283, 0x1104, 0x10c3, 0x10c1 };
static const uint16_t dmatimings[] = { 0x2208, 0x10c2, 0x10c1 };
static const uint8_t udmatimings[] =
{ 0xf, 0xb, 0x7, 0x5, 0x3, 0x2, 0x1 };
mode = min(mode, ctlr->chip->max_dma);
if (ctlr->chip->cfg2 & SII_SETCLK) {
if (ata_dma_check_80pin && mode > ATA_UDMA2 &&
(pci_read_config(parent, 0x79, 1) &
(ch->unit ? 0x02 : 0x01))) {
ata_print_cable(dev, "controller");
mode = ATA_UDMA2;
}
}
if (mode >= ATA_UDMA0) {
pci_write_config(parent, mreg,
mval | (0x03 << (target << 2)), 1);
pci_write_config(parent, ureg,
(pci_read_config(parent, ureg, 1) & ~0x3f) |
udmatimings[mode & ATA_MODE_MASK], 1);
piomode = ATA_PIO4;
} else if (mode >= ATA_WDMA0) {
pci_write_config(parent, mreg,
mval | (0x02 << (target << 2)), 1);
pci_write_config(parent, dreg, dmatimings[mode & ATA_MODE_MASK], 2);
piomode = (mode == ATA_WDMA0) ? ATA_PIO0 :
(mode == ATA_WDMA1) ? ATA_PIO3 : ATA_PIO4;
} else {
pci_write_config(parent, mreg,
mval | (0x01 << (target << 2)), 1);
piomode = mode;
}
pci_write_config(parent, preg, piotimings[ata_mode2idx(piomode)], 2);
return (mode);
}
struct ata_siiprb_dma_prdentry {
u_int64_t addr;
u_int32_t count;
u_int32_t control;
} __packed;
#define ATA_SIIPRB_DMA_ENTRIES 129
struct ata_siiprb_ata_command {
struct ata_siiprb_dma_prdentry prd[ATA_SIIPRB_DMA_ENTRIES];
} __packed;
struct ata_siiprb_atapi_command {
u_int8_t ccb[16];
struct ata_siiprb_dma_prdentry prd[ATA_SIIPRB_DMA_ENTRIES];
} __packed;
struct ata_siiprb_command {
u_int16_t control;
u_int16_t protocol_override;
u_int32_t transfer_count;
u_int8_t fis[24];
union {
struct ata_siiprb_ata_command ata;
struct ata_siiprb_atapi_command atapi;
} u;
} __packed;
static int
ata_siiprb_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 * 0x2000;
ata_siiprb_dmainit(dev);
/* set the SATA resources */
ch->r_io[ATA_SSTATUS].res = ctlr->r_res2;
ch->r_io[ATA_SSTATUS].offset = 0x1f04 + offset;
ch->r_io[ATA_SERROR].res = ctlr->r_res2;
ch->r_io[ATA_SERROR].offset = 0x1f08 + offset;
ch->r_io[ATA_SCONTROL].res = ctlr->r_res2;
ch->r_io[ATA_SCONTROL].offset = 0x1f00 + offset;
ch->r_io[ATA_SACTIVE].res = ctlr->r_res2;
ch->r_io[ATA_SACTIVE].offset = 0x1f0c + offset;
ch->hw.status = ata_siiprb_status;
ch->hw.begin_transaction = ata_siiprb_begin_transaction;
ch->hw.end_transaction = ata_siiprb_end_transaction;
ch->hw.command = NULL; /* not used here */
ch->hw.softreset = ata_siiprb_softreset;
ch->hw.pm_read = ata_siiprb_pm_read;
ch->hw.pm_write = ata_siiprb_pm_write;
ch->flags |= ATA_NO_SLAVE;
ch->flags |= ATA_SATA;
return 0;
}
static int
ata_siiprb_ch_detach(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
if (ch->dma.work_tag && ch->dma.work_map)
bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
BUS_DMASYNC_POSTWRITE);
ata_dmafini(dev);
return 0;
}
static int
ata_siiprb_status(device_t dev)
{
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
struct ata_channel *ch = device_get_softc(dev);
u_int32_t action = ATA_INL(ctlr->r_res1, 0x0044);
int offset = ch->unit * 0x2000;
if (action & (1 << ch->unit)) {
u_int32_t istatus = ATA_INL(ctlr->r_res2, 0x1008 + offset);
/* do we have any PHY events ? */
ata_sata_phy_check_events(dev, -1);
/* clear interrupt(s) */
ATA_OUTL(ctlr->r_res2, 0x1008 + offset, istatus);
/* do we have any device action ? */
return (istatus & 0x00000003);
}
return 0;
}
static int
ata_siiprb_begin_transaction(struct ata_request *request)
{
struct ata_pci_controller *ctlr=device_get_softc(device_get_parent(request->parent));
struct ata_channel *ch = device_get_softc(request->parent);
struct ata_siiprb_command *prb;
struct ata_siiprb_dma_prdentry *prd;
int offset = ch->unit * 0x2000;
u_int64_t prb_bus;
/* SOS XXX */
if (request->u.ata.command == ATA_DEVICE_RESET) {
request->result = 0;
return ATA_OP_FINISHED;
}
/* get a piece of the workspace for this request */
prb = (struct ata_siiprb_command *)ch->dma.work;
/* clear the prb structure */
bzero(prb, sizeof(struct ata_siiprb_command));
/* setup the FIS for this request */
if (!ata_request2fis_h2d(request, &prb->fis[0])) {
device_printf(request->parent, "setting up SATA FIS failed\n");
request->result = EIO;
return ATA_OP_FINISHED;
}
/* setup transfer type */
if (request->flags & ATA_R_ATAPI) {
bcopy(request->u.atapi.ccb, prb->u.atapi.ccb, 16);
if (request->flags & ATA_R_ATAPI16)
ATA_OUTL(ctlr->r_res2, 0x1000 + offset, 0x00000020);
else
ATA_OUTL(ctlr->r_res2, 0x1004 + offset, 0x00000020);
if (request->flags & ATA_R_READ)
prb->control = htole16(0x0010);
if (request->flags & ATA_R_WRITE)
prb->control = htole16(0x0020);
prd = &prb->u.atapi.prd[0];
}
else
prd = &prb->u.ata.prd[0];
/* if request moves data setup and load SG list */
if (request->flags & (ATA_R_READ | ATA_R_WRITE)) {
if (ch->dma.load(request, prd, NULL)) {
device_printf(request->parent, "setting up DMA failed\n");
request->result = EIO;
return ATA_OP_FINISHED;
}
}
bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, BUS_DMASYNC_PREWRITE);
/* activate the prb */
prb_bus = ch->dma.work_bus;
ATA_OUTL(ctlr->r_res2, 0x1c00 + offset, prb_bus);
ATA_OUTL(ctlr->r_res2, 0x1c04 + offset, prb_bus>>32);
/* start the timeout */
callout_reset(&request->callout, request->timeout * hz,
(timeout_t*)ata_timeout, request);
return ATA_OP_CONTINUES;
}
static int
ata_siiprb_end_transaction(struct ata_request *request)
{
struct ata_pci_controller *ctlr=device_get_softc(device_get_parent(request->parent));
struct ata_channel *ch = device_get_softc(request->parent);
struct ata_siiprb_command *prb;
int offset = ch->unit * 0x2000;
int error, timeout;
/* kill the timeout */
callout_stop(&request->callout);
bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, BUS_DMASYNC_POSTWRITE);
prb = (struct ata_siiprb_command *)
((u_int8_t *)rman_get_virtual(ctlr->r_res2) + offset);
/* any controller errors flagged ? */
if ((error = ATA_INL(ctlr->r_res2, 0x1024 + offset))) {
if (bootverbose)
printf("ata_siiprb_end_transaction %s error=%08x\n",
ata_cmd2str(request), error);
/* if device error status get details */
if (error == 1 || error == 2) {
request->status = prb->fis[2];
if (request->status & ATA_S_ERROR)
request->error = prb->fis[3];
}
/* SOS XXX handle other controller errors here */
/* initialize port */
ATA_OUTL(ctlr->r_res2, 0x1000 + offset, 0x00000004);
/* poll for port ready */
for (timeout = 0; timeout < 1000; timeout++) {
DELAY(1000);
if (ATA_INL(ctlr->r_res2, 0x1008 + offset) & 0x00040000)
break;
}
if (bootverbose) {
if (timeout >= 1000)
device_printf(ch->dev, "port initialize timeout\n");
else
device_printf(ch->dev, "port initialize time=%dms\n", timeout);
}
}
/* on control commands read back registers to the request struct */
if (request->flags & ATA_R_CONTROL) {
request->u.ata.count = prb->fis[12] | ((u_int16_t)prb->fis[13] << 8);
request->u.ata.lba = prb->fis[4] | ((u_int64_t)prb->fis[5] << 8) |
((u_int64_t)prb->fis[6] << 16);
if (request->flags & ATA_R_48BIT)
request->u.ata.lba |= ((u_int64_t)prb->fis[8] << 24) |
((u_int64_t)prb->fis[9] << 32) |
((u_int64_t)prb->fis[10] << 40);
else
request->u.ata.lba |= ((u_int64_t)(prb->fis[7] & 0x0f) << 24);
}
/* update progress */
if (!(request->status & ATA_S_ERROR) && !(request->flags & ATA_R_TIMEOUT)) {
if (request->flags & ATA_R_READ)
request->donecount = le32toh(prb->transfer_count);
else
request->donecount = request->bytecount;
}
/* release SG list etc */
ch->dma.unload(request);
return ATA_OP_FINISHED;
}
static int
ata_siiprb_issue_cmd(device_t dev)
{
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
struct ata_channel *ch = device_get_softc(dev);
u_int64_t prb_bus = ch->dma.work_bus;
u_int32_t status;
int offset = ch->unit * 0x2000;
int timeout;
bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, BUS_DMASYNC_PREWRITE);
/* issue command to chip */
ATA_OUTL(ctlr->r_res2, 0x1c00 + offset, prb_bus);
ATA_OUTL(ctlr->r_res2, 0x1c04 + offset, prb_bus >> 32);
/* poll for command finished */
for (timeout = 0; timeout < 10000; timeout++) {
DELAY(1000);
if ((status = ATA_INL(ctlr->r_res2, 0x1008 + offset)) & 0x00010000)
break;
}
bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, BUS_DMASYNC_POSTWRITE);
// SOS XXX ATA_OUTL(ctlr->r_res2, 0x1008 + offset, 0x00010000);
ATA_OUTL(ctlr->r_res2, 0x1008 + offset, 0x08ff08ff);
if (timeout >= 1000)
return EIO;
if (bootverbose)
device_printf(dev, "siiprb_issue_cmd time=%dms status=%08x\n",
timeout, status);
return 0;
}
static int
ata_siiprb_pm_read(device_t dev, int port, int reg, u_int32_t *result)
{
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
struct ata_channel *ch = device_get_softc(dev);
struct ata_siiprb_command *prb = (struct ata_siiprb_command *)ch->dma.work;
int offset = ch->unit * 0x2000;
if (port < 0) {
*result = ATA_IDX_INL(ch, reg);
return (0);
}
if (port < ATA_PM) {
switch (reg) {
case ATA_SSTATUS:
reg = 0;
break;
case ATA_SERROR:
reg = 1;
break;
case ATA_SCONTROL:
reg = 2;
break;
default:
return (EINVAL);
}
}
bzero(prb, sizeof(struct ata_siiprb_command));
prb->fis[0] = 0x27; /* host to device */
prb->fis[1] = 0x8f; /* command FIS to PM port */
prb->fis[2] = ATA_READ_PM;
prb->fis[3] = reg;
prb->fis[7] = port;
if (ata_siiprb_issue_cmd(dev)) {
device_printf(dev, "error reading PM port\n");
return EIO;
}
prb = (struct ata_siiprb_command *)
((u_int8_t *)rman_get_virtual(ctlr->r_res2) + offset);
*result = prb->fis[12]|(prb->fis[4]<<8)|(prb->fis[5]<<16)|(prb->fis[6]<<24);
return 0;
}
static int
ata_siiprb_pm_write(device_t dev, int port, int reg, u_int32_t value)
{
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
struct ata_channel *ch = device_get_softc(dev);
struct ata_siiprb_command *prb = (struct ata_siiprb_command *)ch->dma.work;
int offset = ch->unit * 0x2000;
if (port < 0) {
ATA_IDX_OUTL(ch, reg, value);
return (0);
}
if (port < ATA_PM) {
switch (reg) {
case ATA_SSTATUS:
reg = 0;
break;
case ATA_SERROR:
reg = 1;
break;
case ATA_SCONTROL:
reg = 2;
break;
default:
return (EINVAL);
}
}
bzero(prb, sizeof(struct ata_siiprb_command));
prb->fis[0] = 0x27; /* host to device */
prb->fis[1] = 0x8f; /* command FIS to PM port */
prb->fis[2] = ATA_WRITE_PM;
prb->fis[3] = reg;
prb->fis[7] = port;
prb->fis[12] = value & 0xff;
prb->fis[4] = (value >> 8) & 0xff;
prb->fis[5] = (value >> 16) & 0xff;
prb->fis[6] = (value >> 24) & 0xff;
if (ata_siiprb_issue_cmd(dev)) {
device_printf(dev, "error writing PM port\n");
return ATA_E_ABORT;
}
prb = (struct ata_siiprb_command *)
((u_int8_t *)rman_get_virtual(ctlr->r_res2) + offset);
return prb->fis[3];
}
static u_int32_t
ata_siiprb_softreset(device_t dev, int port)
{
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
struct ata_channel *ch = device_get_softc(dev);
struct ata_siiprb_command *prb = (struct ata_siiprb_command *)ch->dma.work;
u_int32_t signature;
int offset = ch->unit * 0x2000;
/* setup the workspace for a soft reset command */
bzero(prb, sizeof(struct ata_siiprb_command));
prb->control = htole16(0x0080);
prb->fis[1] = port & 0x0f;
/* issue soft reset */
if (ata_siiprb_issue_cmd(dev))
return -1;
ata_udelay(150000);
/* get possible signature */
prb = (struct ata_siiprb_command *)
((u_int8_t *)rman_get_virtual(ctlr->r_res2) + offset);
signature=prb->fis[12]|(prb->fis[4]<<8)|(prb->fis[5]<<16)|(prb->fis[6]<<24);
/* clear error bits/interrupt */
ATA_IDX_OUTL(ch, ATA_SERROR, 0xffffffff);
return signature;
}
static void
ata_siiprb_reset(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 * 0x2000;
u_int32_t status, signature;
int timeout;
/* disable interrupts */
ATA_OUTL(ctlr->r_res2, 0x1014 + offset, 0x000000ff);
/* reset channel HW */
ATA_OUTL(ctlr->r_res2, 0x1000 + offset, 0x00000001);
DELAY(1000);
ATA_OUTL(ctlr->r_res2, 0x1004 + offset, 0x00000001);
DELAY(10000);
/* poll for channel ready */
for (timeout = 0; timeout < 1000; timeout++) {
if ((status = ATA_INL(ctlr->r_res2, 0x1008 + offset)) & 0x00040000)
break;
DELAY(1000);
}
if (bootverbose) {
if (timeout >= 1000)
device_printf(dev, "channel HW reset timeout\n");
else
device_printf(dev, "channel HW reset time=%dms\n", timeout);
}
/* reset phy */
if (!ata_sata_phy_reset(dev, -1, 1)) {
if (bootverbose)
device_printf(dev, "phy reset found no device\n");
ch->devices = 0;
goto finish;
}
/* issue soft reset */
signature = ata_siiprb_softreset(dev, ATA_PM);
if (bootverbose)
device_printf(dev, "SIGNATURE=%08x\n", signature);
/* figure out whats there */
switch (signature >> 16) {
case 0x0000:
ch->devices = ATA_ATA_MASTER;
break;
case 0x9669:
ch->devices = ATA_PORTMULTIPLIER;
ATA_OUTL(ctlr->r_res2, 0x1000 + offset, 0x2000); /* enable PM support */
//SOS XXX need to clear all PM status and interrupts!!!!
ata_pm_identify(dev);
break;
case 0xeb14:
ch->devices = ATA_ATAPI_MASTER;
break;
default:
ch->devices = 0;
}
if (bootverbose)
device_printf(dev, "siiprb_reset devices=%08x\n", ch->devices);
finish:
/* clear interrupt(s) */
ATA_OUTL(ctlr->r_res2, 0x1008 + offset, 0x000008ff);
/* require explicit interrupt ack */
ATA_OUTL(ctlr->r_res2, 0x1000 + offset, 0x00000008);
/* 64bit mode */
ATA_OUTL(ctlr->r_res2, 0x1004 + offset, 0x00000400);
/* enable interrupts wanted */
ATA_OUTL(ctlr->r_res2, 0x1010 + offset, 0x000000ff);
}
static void
ata_siiprb_dmasetprd(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
{
struct ata_dmasetprd_args *args = xsc;
struct ata_siiprb_dma_prdentry *prd = args->dmatab;
int i;
if ((args->error = error))
return;
for (i = 0; i < nsegs; i++) {
prd[i].addr = htole64(segs[i].ds_addr);
prd[i].count = htole32(segs[i].ds_len);
}
prd[i - 1].control = htole32(ATA_DMA_EOT);
KASSERT(nsegs <= ATA_SIIPRB_DMA_ENTRIES,("too many DMA segment entries\n"));
args->nsegs = nsegs;
}
static void
ata_siiprb_dmainit(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
/* note start and stop are not used here */
ch->dma.setprd = ata_siiprb_dmasetprd;
ch->dma.max_address = BUS_SPACE_MAXADDR;
ch->dma.max_iosize = (ATA_SIIPRB_DMA_ENTRIES - 1) * PAGE_SIZE;
ata_dmainit(dev);
}
ATA_DECLARE_DRIVER(ata_sii);