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Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev

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* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: (38 commits)
  sata_via: Delay on vt6420 when starting ATAPI DMA write
  ata: Detect Delkin Devices compact flash
  pata_efar: Enable parallel scanning
  pata_atiixp: enable parallel scan
  [libata] pata_atiixp: add locking for parallel scanning
  [libata] pata_efar: add locking for parallel scanning
  libata: Pass host flags into the pci helper
  [libata] pata_marvell: CONFIG_AHCI is really CONFIG_SATA_AHCI
  libata: Allow pata_legacy to be built on non-ISA but PCI systems
  pata_pdc202xx_old: fix UDMA mode for PDC2026x chipsets
  pata_pdc202xx_old: fix UDMA mode for Promise UDMA33 cards
  [libata] pata_at91: fix backslash-continued string
  pata_via: store UDMA masks in via_isa_bridges table
  pata_via: fix address setup timings underlocking
  pata_serverworks: fix error message
  pata_serverworks: fix PIO setup for the second channel
  pata_efar: fix secondary port support
  pata_cypress: fix PIO timings underclocking
  pata_cs5535: use correct values for PIO1 and PIO2 data timings
  pata_cmd64x: remove unused definitions
  ...
This commit is contained in:
Linus Torvalds 2010-03-01 13:04:58 -08:00
commit 379e3a820d
48 changed files with 677 additions and 431 deletions
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4
drivers/ata/Kconfig
View File

@ -446,9 +446,9 @@ config PATA_JMICRON
config PATA_LEGACY
tristate "Legacy ISA PATA support (Experimental)"
depends on ISA && EXPERIMENTAL
depends on (ISA || PCI) && EXPERIMENTAL
help
This option enables support for ISA/VLB bus legacy PATA
This option enables support for ISA/VLB/PCI bus legacy PATA
ports and allows them to be accessed via the new ATA layer.
If unsure, say N.

235
drivers/ata/ahci.c
View File

@ -93,6 +93,9 @@ enum {
AHCI_CMD_TBL_AR_SZ = AHCI_CMD_TBL_SZ * AHCI_MAX_CMDS,
AHCI_PORT_PRIV_DMA_SZ = AHCI_CMD_SLOT_SZ + AHCI_CMD_TBL_AR_SZ +
AHCI_RX_FIS_SZ,
AHCI_PORT_PRIV_FBS_DMA_SZ = AHCI_CMD_SLOT_SZ +
AHCI_CMD_TBL_AR_SZ +
(AHCI_RX_FIS_SZ * 16),
AHCI_IRQ_ON_SG = (1 << 31),
AHCI_CMD_ATAPI = (1 << 5),
AHCI_CMD_WRITE = (1 << 6),
@ -170,6 +173,7 @@ enum {
PORT_SCR_ERR = 0x30, /* SATA phy register: SError */
PORT_SCR_ACT = 0x34, /* SATA phy register: SActive */
PORT_SCR_NTF = 0x3c, /* SATA phy register: SNotification */
PORT_FBS = 0x40, /* FIS-based Switching */
/* PORT_IRQ_{STAT,MASK} bits */
PORT_IRQ_COLD_PRES = (1 << 31), /* cold presence detect */
@ -208,6 +212,7 @@ enum {
PORT_CMD_ASP = (1 << 27), /* Aggressive Slumber/Partial */
PORT_CMD_ALPE = (1 << 26), /* Aggressive Link PM enable */
PORT_CMD_ATAPI = (1 << 24), /* Device is ATAPI */
PORT_CMD_FBSCP = (1 << 22), /* FBS Capable Port */
PORT_CMD_PMP = (1 << 17), /* PMP attached */
PORT_CMD_LIST_ON = (1 << 15), /* cmd list DMA engine running */
PORT_CMD_FIS_ON = (1 << 14), /* FIS DMA engine running */
@ -222,6 +227,14 @@ enum {
PORT_CMD_ICC_PARTIAL = (0x2 << 28), /* Put i/f in partial state */
PORT_CMD_ICC_SLUMBER = (0x6 << 28), /* Put i/f in slumber state */
PORT_FBS_DWE_OFFSET = 16, /* FBS device with error offset */
PORT_FBS_ADO_OFFSET = 12, /* FBS active dev optimization offset */
PORT_FBS_DEV_OFFSET = 8, /* FBS device to issue offset */
PORT_FBS_DEV_MASK = (0xf << PORT_FBS_DEV_OFFSET), /* FBS.DEV */
PORT_FBS_SDE = (1 << 2), /* FBS single device error */
PORT_FBS_DEC = (1 << 1), /* FBS device error clear */
PORT_FBS_EN = (1 << 0), /* Enable FBS */
/* hpriv->flags bits */
AHCI_HFLAG_NO_NCQ = (1 << 0),
AHCI_HFLAG_IGN_IRQ_IF_ERR = (1 << 1), /* ignore IRQ_IF_ERR */
@ -304,6 +317,9 @@ struct ahci_port_priv {
unsigned int ncq_saw_dmas:1;
unsigned int ncq_saw_sdb:1;
u32 intr_mask; /* interrupts to enable */
bool fbs_supported; /* set iff FBS is supported */
bool fbs_enabled; /* set iff FBS is enabled */
int fbs_last_dev; /* save FBS.DEV of last FIS */
/* enclosure management info per PM slot */
struct ahci_em_priv em_priv[EM_MAX_SLOTS];
};
@ -315,9 +331,12 @@ static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc);
static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc);
static int ahci_port_start(struct ata_port *ap);
static void ahci_port_stop(struct ata_port *ap);
static int ahci_pmp_qc_defer(struct ata_queued_cmd *qc);
static void ahci_qc_prep(struct ata_queued_cmd *qc);
static void ahci_freeze(struct ata_port *ap);
static void ahci_thaw(struct ata_port *ap);
static void ahci_enable_fbs(struct ata_port *ap);
static void ahci_disable_fbs(struct ata_port *ap);
static void ahci_pmp_attach(struct ata_port *ap);
static void ahci_pmp_detach(struct ata_port *ap);
static int ahci_softreset(struct ata_link *link, unsigned int *class,
@ -356,10 +375,10 @@ static ssize_t ahci_show_host_version(struct device *dev,
static ssize_t ahci_show_port_cmd(struct device *dev,
struct device_attribute *attr, char *buf);
DEVICE_ATTR(ahci_host_caps, S_IRUGO, ahci_show_host_caps, NULL);
DEVICE_ATTR(ahci_host_cap2, S_IRUGO, ahci_show_host_cap2, NULL);
DEVICE_ATTR(ahci_host_version, S_IRUGO, ahci_show_host_version, NULL);
DEVICE_ATTR(ahci_port_cmd, S_IRUGO, ahci_show_port_cmd, NULL);
static DEVICE_ATTR(ahci_host_caps, S_IRUGO, ahci_show_host_caps, NULL);
static DEVICE_ATTR(ahci_host_cap2, S_IRUGO, ahci_show_host_cap2, NULL);
static DEVICE_ATTR(ahci_host_version, S_IRUGO, ahci_show_host_version, NULL);
static DEVICE_ATTR(ahci_port_cmd, S_IRUGO, ahci_show_port_cmd, NULL);
static struct device_attribute *ahci_shost_attrs[] = {
&dev_attr_link_power_management_policy,
@ -390,7 +409,7 @@ static struct scsi_host_template ahci_sht = {
static struct ata_port_operations ahci_ops = {
.inherits = &sata_pmp_port_ops,
.qc_defer = sata_pmp_qc_defer_cmd_switch,
.qc_defer = ahci_pmp_qc_defer,
.qc_prep = ahci_qc_prep,
.qc_issue = ahci_qc_issue,
.qc_fill_rtf = ahci_qc_fill_rtf,
@ -570,6 +589,12 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
{ PCI_VDEVICE(INTEL, 0x3b2c), board_ahci }, /* PCH RAID */
{ PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
{ PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
{ PCI_VDEVICE(INTEL, 0x1c03), board_ahci }, /* CPT AHCI */
{ PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
{ PCI_VDEVICE(INTEL, 0x1c05), board_ahci }, /* CPT RAID */
{ PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */
{ PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */
/* JMicron 360/1/3/5/6, match class to avoid IDE function */
{ PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
@ -2045,6 +2070,17 @@ static unsigned int ahci_fill_sg(struct ata_queued_cmd *qc, void *cmd_tbl)
return si;
}
static int ahci_pmp_qc_defer(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct ahci_port_priv *pp = ap->private_data;
if (!sata_pmp_attached(ap) || pp->fbs_enabled)
return ata_std_qc_defer(qc);
else
return sata_pmp_qc_defer_cmd_switch(qc);
}
static void ahci_qc_prep(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
@ -2083,6 +2119,31 @@ static void ahci_qc_prep(struct ata_queued_cmd *qc)
ahci_fill_cmd_slot(pp, qc->tag, opts);
}
static void ahci_fbs_dec_intr(struct ata_port *ap)
{
struct ahci_port_priv *pp = ap->private_data;
void __iomem *port_mmio = ahci_port_base(ap);
u32 fbs = readl(port_mmio + PORT_FBS);
int retries = 3;
DPRINTK("ENTER\n");
BUG_ON(!pp->fbs_enabled);
/* time to wait for DEC is not specified by AHCI spec,
* add a retry loop for safety.
*/
writel(fbs | PORT_FBS_DEC, port_mmio + PORT_FBS);
fbs = readl(port_mmio + PORT_FBS);
while ((fbs & PORT_FBS_DEC) && retries--) {
udelay(1);
fbs = readl(port_mmio + PORT_FBS);
}
if (fbs & PORT_FBS_DEC)
dev_printk(KERN_ERR, ap->host->dev,
"failed to clear device error\n");
}
static void ahci_error_intr(struct ata_port *ap, u32 irq_stat)
{
struct ahci_host_priv *hpriv = ap->host->private_data;
@ -2091,12 +2152,26 @@ static void ahci_error_intr(struct ata_port *ap, u32 irq_stat)
struct ata_link *link = NULL;
struct ata_queued_cmd *active_qc;
struct ata_eh_info *active_ehi;
bool fbs_need_dec = false;
u32 serror;
/* determine active link */
ata_for_each_link(link, ap, EDGE)
if (ata_link_active(link))
break;
/* determine active link with error */
if (pp->fbs_enabled) {
void __iomem *port_mmio = ahci_port_base(ap);
u32 fbs = readl(port_mmio + PORT_FBS);
int pmp = fbs >> PORT_FBS_DWE_OFFSET;
if ((fbs & PORT_FBS_SDE) && (pmp < ap->nr_pmp_links) &&
ata_link_online(&ap->pmp_link[pmp])) {
link = &ap->pmp_link[pmp];
fbs_need_dec = true;
}
} else
ata_for_each_link(link, ap, EDGE)
if (ata_link_active(link))
break;
if (!link)
link = &ap->link;
@ -2153,8 +2228,13 @@ static void ahci_error_intr(struct ata_port *ap, u32 irq_stat)
}
if (irq_stat & PORT_IRQ_IF_ERR) {
host_ehi->err_mask |= AC_ERR_ATA_BUS;
host_ehi->action |= ATA_EH_RESET;
if (fbs_need_dec)
active_ehi->err_mask |= AC_ERR_DEV;
else {
host_ehi->err_mask |= AC_ERR_ATA_BUS;
host_ehi->action |= ATA_EH_RESET;
}
ata_ehi_push_desc(host_ehi, "interface fatal error");
}
@ -2169,7 +2249,10 @@ static void ahci_error_intr(struct ata_port *ap, u32 irq_stat)
if (irq_stat & PORT_IRQ_FREEZE)
ata_port_freeze(ap);
else
else if (fbs_need_dec) {
ata_link_abort(link);
ahci_fbs_dec_intr(ap);
} else
ata_port_abort(ap);
}
@ -2222,12 +2305,19 @@ static void ahci_port_intr(struct ata_port *ap)
/* If the 'N' bit in word 0 of the FIS is set,
* we just received asynchronous notification.
* Tell libata about it.
*
* Lack of SNotification should not appear in
* ahci 1.2, so the workaround is unnecessary
* when FBS is enabled.
*/
const __le32 *f = pp->rx_fis + RX_FIS_SDB;
u32 f0 = le32_to_cpu(f[0]);
if (f0 & (1 << 15))
sata_async_notification(ap);
if (pp->fbs_enabled)
WARN_ON_ONCE(1);
else {
const __le32 *f = pp->rx_fis + RX_FIS_SDB;
u32 f0 = le32_to_cpu(f[0]);
if (f0 & (1 << 15))
sata_async_notification(ap);
}
}
}
@ -2321,6 +2411,15 @@ static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc)
if (qc->tf.protocol == ATA_PROT_NCQ)
writel(1 << qc->tag, port_mmio + PORT_SCR_ACT);
if (pp->fbs_enabled && pp->fbs_last_dev != qc->dev->link->pmp) {
u32 fbs = readl(port_mmio + PORT_FBS);
fbs &= ~(PORT_FBS_DEV_MASK | PORT_FBS_DEC);
fbs |= qc->dev->link->pmp << PORT_FBS_DEV_OFFSET;
writel(fbs, port_mmio + PORT_FBS);
pp->fbs_last_dev = qc->dev->link->pmp;
}
writel(1 << qc->tag, port_mmio + PORT_CMD_ISSUE);
ahci_sw_activity(qc->dev->link);
@ -2333,6 +2432,9 @@ static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc)
struct ahci_port_priv *pp = qc->ap->private_data;
u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
if (pp->fbs_enabled)
d2h_fis += qc->dev->link->pmp * AHCI_RX_FIS_SZ;
ata_tf_from_fis(d2h_fis, &qc->result_tf);
return true;
}
@ -2381,6 +2483,71 @@ static void ahci_post_internal_cmd(struct ata_queued_cmd *qc)
ahci_kick_engine(ap);
}
static void ahci_enable_fbs(struct ata_port *ap)
{
struct ahci_port_priv *pp = ap->private_data;
void __iomem *port_mmio = ahci_port_base(ap);
u32 fbs;
int rc;
if (!pp->fbs_supported)
return;
fbs = readl(port_mmio + PORT_FBS);
if (fbs & PORT_FBS_EN) {
pp->fbs_enabled = true;
pp->fbs_last_dev = -1; /* initialization */
return;
}
rc = ahci_stop_engine(ap);
if (rc)
return;
writel(fbs | PORT_FBS_EN, port_mmio + PORT_FBS);
fbs = readl(port_mmio + PORT_FBS);
if (fbs & PORT_FBS_EN) {
dev_printk(KERN_INFO, ap->host->dev, "FBS is enabled.\n");
pp->fbs_enabled = true;
pp->fbs_last_dev = -1; /* initialization */
} else
dev_printk(KERN_ERR, ap->host->dev, "Failed to enable FBS\n");
ahci_start_engine(ap);
}
static void ahci_disable_fbs(struct ata_port *ap)
{
struct ahci_port_priv *pp = ap->private_data;
void __iomem *port_mmio = ahci_port_base(ap);
u32 fbs;
int rc;
if (!pp->fbs_supported)
return;
fbs = readl(port_mmio + PORT_FBS);
if ((fbs & PORT_FBS_EN) == 0) {
pp->fbs_enabled = false;
return;
}
rc = ahci_stop_engine(ap);
if (rc)
return;
writel(fbs & ~PORT_FBS_EN, port_mmio + PORT_FBS);
fbs = readl(port_mmio + PORT_FBS);
if (fbs & PORT_FBS_EN)
dev_printk(KERN_ERR, ap->host->dev, "Failed to disable FBS\n");
else {
dev_printk(KERN_INFO, ap->host->dev, "FBS is disabled.\n");
pp->fbs_enabled = false;
}
ahci_start_engine(ap);
}
static void ahci_pmp_attach(struct ata_port *ap)
{
void __iomem *port_mmio = ahci_port_base(ap);
@ -2391,6 +2558,8 @@ static void ahci_pmp_attach(struct ata_port *ap)
cmd |= PORT_CMD_PMP;
writel(cmd, port_mmio + PORT_CMD);
ahci_enable_fbs(ap);
pp->intr_mask |= PORT_IRQ_BAD_PMP;
writel(pp->intr_mask, port_mmio + PORT_IRQ_MASK);
}
@ -2401,6 +2570,8 @@ static void ahci_pmp_detach(struct ata_port *ap)
struct ahci_port_priv *pp = ap->private_data;
u32 cmd;
ahci_disable_fbs(ap);
cmd = readl(port_mmio + PORT_CMD);
cmd &= ~PORT_CMD_PMP;
writel(cmd, port_mmio + PORT_CMD);
@ -2492,20 +2663,40 @@ static int ahci_pci_device_resume(struct pci_dev *pdev)
static int ahci_port_start(struct ata_port *ap)
{
struct ahci_host_priv *hpriv = ap->host->private_data;
struct device *dev = ap->host->dev;
struct ahci_port_priv *pp;
void *mem;
dma_addr_t mem_dma;
size_t dma_sz, rx_fis_sz;
pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL);
if (!pp)
return -ENOMEM;
mem = dmam_alloc_coherent(dev, AHCI_PORT_PRIV_DMA_SZ, &mem_dma,
GFP_KERNEL);
/* check FBS capability */
if ((hpriv->cap & HOST_CAP_FBS) && sata_pmp_supported(ap)) {
void __iomem *port_mmio = ahci_port_base(ap);
u32 cmd = readl(port_mmio + PORT_CMD);
if (cmd & PORT_CMD_FBSCP)
pp->fbs_supported = true;
else
dev_printk(KERN_WARNING, dev,
"The port is not capable of FBS\n");
}
if (pp->fbs_supported) {
dma_sz = AHCI_PORT_PRIV_FBS_DMA_SZ;
rx_fis_sz = AHCI_RX_FIS_SZ * 16;
} else {
dma_sz = AHCI_PORT_PRIV_DMA_SZ;
rx_fis_sz = AHCI_RX_FIS_SZ;
}
mem = dmam_alloc_coherent(dev, dma_sz, &mem_dma, GFP_KERNEL);
if (!mem)
return -ENOMEM;
memset(mem, 0, AHCI_PORT_PRIV_DMA_SZ);
memset(mem, 0, dma_sz);
/*
* First item in chunk of DMA memory: 32-slot command table,
@ -2523,8 +2714,8 @@ static int ahci_port_start(struct ata_port *ap)
pp->rx_fis = mem;
pp->rx_fis_dma = mem_dma;
mem += AHCI_RX_FIS_SZ;
mem_dma += AHCI_RX_FIS_SZ;
mem += rx_fis_sz;
mem_dma += rx_fis_sz;
/*
* Third item: data area for storing a single command

2
drivers/ata/ata_generic.c
View File

@ -155,7 +155,7 @@ static int ata_generic_init_one(struct pci_dev *dev, const struct pci_device_id
return rc;
pcim_pin_device(dev);
}
return ata_pci_sff_init_one(dev, ppi, &generic_sht, NULL);
return ata_pci_sff_init_one(dev, ppi, &generic_sht, NULL, 0);
}
static struct pci_device_id ata_generic[] = {

28
drivers/ata/ata_piix.c
View File

@ -173,6 +173,7 @@ static int piix_sidpr_scr_read(struct ata_link *link,
unsigned int reg, u32 *val);
static int piix_sidpr_scr_write(struct ata_link *link,
unsigned int reg, u32 val);
static bool piix_irq_check(struct ata_port *ap);
#ifdef CONFIG_PM
static int piix_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
static int piix_pci_device_resume(struct pci_dev *pdev);
@ -291,6 +292,14 @@ static const struct pci_device_id piix_pci_tbl[] = {
{ 0x8086, 0x3b2d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
/* SATA Controller IDE (PCH) */
{ 0x8086, 0x3b2e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata },
/* SATA Controller IDE (CPT) */
{ 0x8086, 0x1c00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata },
/* SATA Controller IDE (CPT) */
{ 0x8086, 0x1c01, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata },
/* SATA Controller IDE (CPT) */
{ 0x8086, 0x1c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
/* SATA Controller IDE (CPT) */
{ 0x8086, 0x1c09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
{ } /* terminate list */
};
@ -309,8 +318,13 @@ static struct scsi_host_template piix_sht = {
ATA_BMDMA_SHT(DRV_NAME),
};
static struct ata_port_operations piix_pata_ops = {
static struct ata_port_operations piix_sata_ops = {
.inherits = &ata_bmdma32_port_ops,
.sff_irq_check = piix_irq_check,
};
static struct ata_port_operations piix_pata_ops = {
.inherits = &piix_sata_ops,
.cable_detect = ata_cable_40wire,
.set_piomode = piix_set_piomode,
.set_dmamode = piix_set_dmamode,
@ -328,10 +342,6 @@ static struct ata_port_operations ich_pata_ops = {
.set_dmamode = ich_set_dmamode,
};
static struct ata_port_operations piix_sata_ops = {
.inherits = &ata_bmdma32_port_ops,
};
static struct ata_port_operations piix_sidpr_sata_ops = {
.inherits = &piix_sata_ops,
.hardreset = sata_std_hardreset,
@ -962,6 +972,14 @@ static int piix_sidpr_scr_write(struct ata_link *link,
return 0;
}
static bool piix_irq_check(struct ata_port *ap)
{
if (unlikely(!ap->ioaddr.bmdma_addr))
return false;
return ap->ops->bmdma_status(ap) & ATA_DMA_INTR;
}
#ifdef CONFIG_PM
static int piix_broken_suspend(void)
{

17
drivers/ata/libata-core.c
View File

@ -3211,6 +3211,7 @@ const struct ata_timing *ata_timing_find_mode(u8 xfer_mode)
int ata_timing_compute(struct ata_device *adev, unsigned short speed,
struct ata_timing *t, int T, int UT)
{
const u16 *id = adev->id;
const struct ata_timing *s;
struct ata_timing p;
@ -3228,14 +3229,18 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed,
* PIO/MW_DMA cycle timing.
*/
if (adev->id[ATA_ID_FIELD_VALID] & 2) { /* EIDE drive */
if (id[ATA_ID_FIELD_VALID] & 2) { /* EIDE drive */
memset(&p, 0, sizeof(p));
if (speed >= XFER_PIO_0 && speed <= XFER_SW_DMA_0) {
if (speed <= XFER_PIO_2) p.cycle = p.cyc8b = adev->id[ATA_ID_EIDE_PIO];
else p.cycle = p.cyc8b = adev->id[ATA_ID_EIDE_PIO_IORDY];
} else if (speed >= XFER_MW_DMA_0 && speed <= XFER_MW_DMA_2) {
p.cycle = adev->id[ATA_ID_EIDE_DMA_MIN];
}
if (speed <= XFER_PIO_2)
p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO];
else if ((speed <= XFER_PIO_4) ||
(speed == XFER_PIO_5 && !ata_id_is_cfa(id)))
p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO_IORDY];
} else if (speed >= XFER_MW_DMA_0 && speed <= XFER_MW_DMA_2)
p.cycle = id[ATA_ID_EIDE_DMA_MIN];
ata_timing_merge(&p, t, t, ATA_TIMING_CYCLE | ATA_TIMING_CYC8B);
}

50
drivers/ata/libata-sff.c
View File

@ -1763,24 +1763,50 @@ irqreturn_t ata_sff_interrupt(int irq, void *dev_instance)
{
struct ata_host *host = dev_instance;
unsigned int i;
unsigned int handled = 0;
unsigned int handled = 0, polling = 0;
unsigned long flags;
/* TODO: make _irqsave conditional on x86 PCI IDE legacy mode */
spin_lock_irqsave(&host->lock, flags);
for (i = 0; i < host->n_ports; i++) {
struct ata_port *ap;
struct ata_port *ap = host->ports[i];
struct ata_queued_cmd *qc;
ap = host->ports[i];
if (ap &&
!(ap->flags & ATA_FLAG_DISABLED)) {
struct ata_queued_cmd *qc;
if (unlikely(ap->flags & ATA_FLAG_DISABLED))
continue;
qc = ata_qc_from_tag(ap, ap->link.active_tag);
if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING)) &&
(qc->flags & ATA_QCFLAG_ACTIVE))
qc = ata_qc_from_tag(ap, ap->link.active_tag);
if (qc) {
if (!(qc->tf.flags & ATA_TFLAG_POLLING))
handled |= ata_sff_host_intr(ap, qc);
else
polling |= 1 << i;
}
}
/*
* If no port was expecting IRQ but the controller is actually
* asserting IRQ line, nobody cared will ensue. Check IRQ
* pending status if available and clear spurious IRQ.
*/
if (!handled) {
for (i = 0; i < host->n_ports; i++) {
struct ata_port *ap = host->ports[i];
if (polling & (1 << i))
continue;
if (!ap->ops->sff_irq_check ||
!ap->ops->sff_irq_check(ap))
continue;
if (printk_ratelimit())
ata_port_printk(ap, KERN_INFO,
"clearing spurious IRQ\n");
ap->ops->sff_check_status(ap);
ap->ops->sff_irq_clear(ap);
}
}
@ -3011,6 +3037,7 @@ EXPORT_SYMBOL_GPL(ata_pci_sff_activate_host);
* @ppi: array of port_info, must be enough for two ports
* @sht: scsi_host_template to use when registering the host
* @host_priv: host private_data
* @hflag: host flags
*
* This is a helper function which can be called from a driver's
* xxx_init_one() probe function if the hardware uses traditional
@ -3031,8 +3058,8 @@ EXPORT_SYMBOL_GPL(ata_pci_sff_activate_host);
* Zero on success, negative on errno-based value on error.
*/
int ata_pci_sff_init_one(struct pci_dev *pdev,
const struct ata_port_info * const *ppi,
struct scsi_host_template *sht, void *host_priv)
const struct ata_port_info * const *ppi,
struct scsi_host_template *sht, void *host_priv, int hflag)
{
struct device *dev = &pdev->dev;
const struct ata_port_info *pi = NULL;
@ -3067,6 +3094,7 @@ int ata_pci_sff_init_one(struct pci_dev *pdev,
if (rc)
goto out;
host->private_data = host_priv;
host->flags |= hflag;
pci_set_master(pdev);
rc = ata_pci_sff_activate_host(host, ata_sff_interrupt, sht);

2
drivers/ata/pata_acpi.c
View File

@ -259,7 +259,7 @@ static int pacpi_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
return rc;
pcim_pin_device(pdev);
}
return ata_pci_sff_init_one(pdev, ppi, &pacpi_sht, NULL);
return ata_pci_sff_init_one(pdev, ppi, &pacpi_sht, NULL, 0);
}
static const struct pci_device_id pacpi_pci_tbl[] = {

10
drivers/ata/pata_ali.c
View File

@ -159,8 +159,7 @@ static void ali_fifo_control(struct ata_port *ap, struct ata_device *adev, int o
* ali_program_modes - load mode registers
* @ap: ALi channel to load
* @adev: Device the timing is for
* @cmd: Command timing
* @data: Data timing
* @t: timing data
* @ultra: UDMA timing or zero for off
*
* Loads the timing registers for cmd/data and disable UDMA if
@ -202,8 +201,7 @@ static void ali_program_modes(struct ata_port *ap, struct ata_device *adev, stru
* @ap: ATA interface
* @adev: ATA device
*
* Program the ALi registers for PIO mode. FIXME: add timings for
* PIO5.
* Program the ALi registers for PIO mode.
*/
static void ali_set_piomode(struct ata_port *ap, struct ata_device *adev)
@ -237,7 +235,7 @@ static void ali_set_piomode(struct ata_port *ap, struct ata_device *adev)
* @ap: ATA interface
* @adev: ATA device
*
* FIXME: MWDMA timings
* Program the ALi registers for DMA mode.
*/
static void ali_set_dmamode(struct ata_port *ap, struct ata_device *adev)
@ -585,7 +583,7 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
ppi[0] = &info_20_udma;
}
return ata_pci_sff_init_one(pdev, ppi, &ali_sht, NULL);
return ata_pci_sff_init_one(pdev, ppi, &ali_sht, NULL, 0);
}
#ifdef CONFIG_PM

2
drivers/ata/pata_amd.c
View File

@ -574,7 +574,7 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
}
/* And fire it up */
return ata_pci_sff_init_one(pdev, ppi, &amd_sht, hpriv);
return ata_pci_sff_init_one(pdev, ppi, &amd_sht, hpriv, 0);
}
#ifdef CONFIG_PM

2
drivers/ata/pata_artop.c
View File

@ -421,7 +421,7 @@ static int artop_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
BUG_ON(ppi[0] == NULL);
return ata_pci_sff_init_one(pdev, ppi, &artop_sht, NULL);
return ata_pci_sff_init_one(pdev, ppi, &artop_sht, NULL, 0);
}
static const struct pci_device_id artop_pci_tbl[] = {

4
drivers/ata/pata_at91.c
View File

@ -153,8 +153,8 @@ static void pata_at91_set_piomode(struct ata_port *ap, struct ata_device *adev)
/* Compute ATA timing and set it to SMC */
ret = ata_timing_compute(adev, adev->pio_mode, &timing, 1000, 0);
if (ret) {
dev_warn(ap->dev, "Failed to compute ATA timing %d, \
set PIO_0 timing\n", ret);
dev_warn(ap->dev, "Failed to compute ATA timing %d, "
"set PIO_0 timing\n", ret);
set_smc_timing(ap->dev, info, &initial_timing);
} else {
set_smc_timing(ap->dev, info, &timing);

14
drivers/ata/pata_atiixp.c
View File

@ -1,7 +1,7 @@
/*
* pata_atiixp.c - ATI PATA for new ATA layer
* (C) 2005 Red Hat Inc
* (C) 2009 Bartlomiej Zolnierkiewicz
* (C) 2009-2010 Bartlomiej Zolnierkiewicz
*
* Based on
*
@ -46,6 +46,8 @@ static int atiixp_cable_detect(struct ata_port *ap)
return ATA_CBL_PATA40;
}
static DEFINE_SPINLOCK(atiixp_lock);
/**
* atiixp_set_pio_timing - set initial PIO mode data
* @ap: ATA interface
@ -88,7 +90,10 @@ static void atiixp_set_pio_timing(struct ata_port *ap, struct ata_device *adev,
static void atiixp_set_piomode(struct ata_port *ap, struct ata_device *adev)
{
unsigned long flags;
spin_lock_irqsave(&atiixp_lock, flags);
atiixp_set_pio_timing(ap, adev, adev->pio_mode - XFER_PIO_0);
spin_unlock_irqrestore(&atiixp_lock, flags);
}
/**
@ -108,6 +113,9 @@ static void atiixp_set_dmamode(struct ata_port *ap, struct ata_device *adev)
int dma = adev->dma_mode;
int dn = 2 * ap->port_no + adev->devno;
int wanted_pio;
unsigned long flags;
spin_lock_irqsave(&atiixp_lock, flags);
if (adev->dma_mode >= XFER_UDMA_0) {
u16 udma_mode_data;
@ -145,6 +153,7 @@ static void atiixp_set_dmamode(struct ata_port *ap, struct ata_device *adev)
if (adev->pio_mode != wanted_pio)
atiixp_set_pio_timing(ap, adev, wanted_pio);
spin_unlock_irqrestore(&atiixp_lock, flags);
}
/**
@ -237,7 +246,8 @@ static int atiixp_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
if (!pci_test_config_bits(pdev, &atiixp_enable_bits[i]))
ppi[i] = &ata_dummy_port_info;
return ata_pci_sff_init_one(pdev, ppi, &atiixp_sht, NULL);
return ata_pci_sff_init_one(pdev, ppi, &atiixp_sht, NULL,
ATA_HOST_PARALLEL_SCAN);
}
static const struct pci_device_id atiixp[] = {

2
drivers/ata/pata_cmd640.c
View File

@ -223,7 +223,7 @@ static int cmd640_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
cmd640_hardware_init(pdev);
return ata_pci_sff_init_one(pdev, ppi, &cmd640_sht, NULL);
return ata_pci_sff_init_one(pdev, ppi, &cmd640_sht, NULL, 0);
}
#ifdef CONFIG_PM

27
drivers/ata/pata_cmd64x.c
View File

@ -2,6 +2,7 @@
* pata_cmd64x.c - CMD64x PATA for new ATA layer
* (C) 2005 Red Hat Inc
* Alan Cox <alan@lxorguk.ukuu.org.uk>
* (C) 2009-2010 Bartlomiej Zolnierkiewicz
*
* Based upon
* linux/drivers/ide/pci/cmd64x.c Version 1.30 Sept 10, 2002
@ -39,11 +40,7 @@
enum {
CFR = 0x50,
CFR_INTR_CH0 = 0x02,
CNTRL = 0x51,
CNTRL_DIS_RA0 = 0x40,
CNTRL_DIS_RA1 = 0x80,
CNTRL_ENA_2ND = 0x08,
CFR_INTR_CH0 = 0x04,
CMDTIM = 0x52,
ARTTIM0 = 0x53,
DRWTIM0 = 0x54,
@ -53,9 +50,6 @@ enum {
ARTTIM23_DIS_RA2 = 0x04,
ARTTIM23_DIS_RA3 = 0x08,
ARTTIM23_INTR_CH1 = 0x10,
ARTTIM2 = 0x57,
ARTTIM3 = 0x57,
DRWTIM23 = 0x58,
DRWTIM2 = 0x58,
BRST = 0x59,
DRWTIM3 = 0x5b,
@ -63,14 +57,11 @@ enum {
MRDMODE = 0x71,
MRDMODE_INTR_CH0 = 0x04,
MRDMODE_INTR_CH1 = 0x08,
MRDMODE_BLK_CH0 = 0x10,
MRDMODE_BLK_CH1 = 0x20,
BMIDESR0 = 0x72,
UDIDETCR0 = 0x73,
DTPR0 = 0x74,
BMIDECR1 = 0x78,
BMIDECSR = 0x79,
BMIDESR1 = 0x7A,
UDIDETCR1 = 0x7B,
DTPR1 = 0x7C
};
@ -130,8 +121,14 @@ static void cmd64x_set_timing(struct ata_port *ap, struct ata_device *adev, u8 m
if (pair) {
struct ata_timing tp;
ata_timing_compute(pair, pair->pio_mode, &tp, T, 0);
ata_timing_merge(&t, &tp, &t, ATA_TIMING_SETUP);
if (pair->dma_mode) {
ata_timing_compute(pair, pair->dma_mode,
&tp, T, 0);
ata_timing_merge(&tp, &t, &t, ATA_TIMING_SETUP);
}
}
}
@ -147,7 +144,9 @@ static void cmd64x_set_timing(struct ata_port *ap, struct ata_device *adev, u8 m
/* Now convert the clocks into values we can actually stuff into
the chip */
if (t.recover > 1)
if (t.recover == 16)
t.recover = 0;
else if (t.recover > 1)
t.recover--;
else
t.recover = 15;
@ -245,7 +244,7 @@ static void cmd648_bmdma_stop(struct ata_queued_cmd *qc)
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
u8 dma_intr;
int dma_mask = ap->port_no ? ARTTIM23_INTR_CH1 : CFR_INTR_CH0;
int dma_reg = ap->port_no ? ARTTIM2 : CFR;
int dma_reg = ap->port_no ? ARTTIM23 : CFR;
ata_bmdma_stop(qc);
@ -368,7 +367,7 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
pci_write_config_byte(pdev, UDIDETCR0, 0xF0);
#endif
return ata_pci_sff_init_one(pdev, ppi, &cmd64x_sht, NULL);
return ata_pci_sff_init_one(pdev, ppi, &cmd64x_sht, NULL, 0);
}
#ifdef CONFIG_PM

2
drivers/ata/pata_cs5530.c
View File

@ -324,7 +324,7 @@ static int cs5530_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
ppi[1] = &info_palmax_secondary;
/* Now kick off ATA set up */
return ata_pci_sff_init_one(pdev, ppi, &cs5530_sht, NULL);
return ata_pci_sff_init_one(pdev, ppi, &cs5530_sht, NULL, 0);
}
#ifdef CONFIG_PM

4
drivers/ata/pata_cs5535.c
View File

@ -100,7 +100,7 @@ static int cs5535_cable_detect(struct ata_port *ap)
static void cs5535_set_piomode(struct ata_port *ap, struct ata_device *adev)
{
static const u16 pio_timings[5] = {
0xF7F4, 0x53F3, 0x13F1, 0x5131, 0x1131
0xF7F4, 0xF173, 0x8141, 0x5131, 0x1131
};
static const u16 pio_cmd_timings[5] = {
0xF7F4, 0x53F3, 0x13F1, 0x5131, 0x1131
@ -198,7 +198,7 @@ static int cs5535_init_one(struct pci_dev *dev, const struct pci_device_id *id)
rdmsr(ATAC_CH0D1_PIO, timings, dummy);
if (CS5535_BAD_PIO(timings))
wrmsr(ATAC_CH0D1_PIO, 0xF7F4F7F4UL, 0);
return ata_pci_sff_init_one(dev, ppi, &cs5535_sht, NULL);
return ata_pci_sff_init_one(dev, ppi, &cs5535_sht, NULL, 0);
}
static const struct pci_device_id cs5535[] = {

2
drivers/ata/pata_cs5536.c
View File

@ -260,7 +260,7 @@ static int cs5536_init_one(struct pci_dev *dev, const struct pci_device_id *id)
return -ENODEV;
}
return ata_pci_sff_init_one(dev, ppi, &cs5536_sht, NULL);
return ata_pci_sff_init_one(dev, ppi, &cs5536_sht, NULL, 0);
}
static const struct pci_device_id cs5536[] = {

12
drivers/ata/pata_cypress.c
View File

@ -62,14 +62,16 @@ static void cy82c693_set_piomode(struct ata_port *ap, struct ata_device *adev)
return;
}
time_16 = clamp_val(t.recover, 0, 15) | (clamp_val(t.active, 0, 15) << 4);
time_8 = clamp_val(t.act8b, 0, 15) | (clamp_val(t.rec8b, 0, 15) << 4);
time_16 = clamp_val(t.recover - 1, 0, 15) |
(clamp_val(t.active - 1, 0, 15) << 4);
time_8 = clamp_val(t.act8b - 1, 0, 15) |
(clamp_val(t.rec8b - 1, 0, 15) << 4);
if (adev->devno == 0) {
pci_read_config_dword(pdev, CY82_IDE_ADDRSETUP, &addr);
addr &= ~0x0F; /* Mask bits */
addr |= clamp_val(t.setup, 0, 15);
addr |= clamp_val(t.setup - 1, 0, 15);
pci_write_config_dword(pdev, CY82_IDE_ADDRSETUP, addr);
pci_write_config_byte(pdev, CY82_IDE_MASTER_IOR, time_16);
@ -79,7 +81,7 @@ static void cy82c693_set_piomode(struct ata_port *ap, struct ata_device *adev)
pci_read_config_dword(pdev, CY82_IDE_ADDRSETUP, &addr);
addr &= ~0xF0; /* Mask bits */
addr |= (clamp_val(t.setup, 0, 15) << 4);
addr |= (clamp_val(t.setup - 1, 0, 15) << 4);
pci_write_config_dword(pdev, CY82_IDE_ADDRSETUP, addr);
pci_write_config_byte(pdev, CY82_IDE_SLAVE_IOR, time_16);
@ -136,7 +138,7 @@ static int cy82c693_init_one(struct pci_dev *pdev, const struct pci_device_id *i
if (PCI_FUNC(pdev->devfn) != 1)
return -ENODEV;
return ata_pci_sff_init_one(pdev, ppi, &cy82c693_sht, NULL);
return ata_pci_sff_init_one(pdev, ppi, &cy82c693_sht, NULL, 0);
}
static const struct pci_device_id cy82c693[] = {

22
drivers/ata/pata_efar.c
View File

@ -2,7 +2,7 @@
* pata_efar.c - EFAR PIIX clone controller driver
*
* (C) 2005 Red Hat
* (C) 2009 Bartlomiej Zolnierkiewicz
* (C) 2009-2010 Bartlomiej Zolnierkiewicz
*
* Some parts based on ata_piix.c by Jeff Garzik and others.
*
@ -68,6 +68,8 @@ static int efar_cable_detect(struct ata_port *ap)
return ATA_CBL_PATA80;
}
static DEFINE_SPINLOCK(efar_lock);
/**
* efar_set_piomode - Initialize host controller PATA PIO timings
* @ap: Port whose timings we are configuring
@ -84,7 +86,9 @@ static void efar_set_piomode (struct ata_port *ap, struct ata_device *adev)
unsigned int pio = adev->pio_mode - XFER_PIO_0;
struct pci_dev *dev = to_pci_dev(ap->host->dev);
unsigned int idetm_port= ap->port_no ? 0x42 : 0x40;
unsigned long flags;
u16 idetm_data;
u8 udma_enable;
int control = 0;
/*
@ -107,6 +111,8 @@ static void efar_set_piomode (struct ata_port *ap, struct ata_device *adev)
if (adev->class == ATA_DEV_ATA)
control |= 4; /* PPE */
spin_lock_irqsave(&efar_lock, flags);
pci_read_config_word(dev, idetm_port, &idetm_data);
/* Set PPE, IE, and TIME as appropriate */
@ -131,6 +137,11 @@ static void efar_set_piomode (struct ata_port *ap, struct ata_device *adev)
idetm_data |= 0x4000; /* Ensure SITRE is set */
pci_write_config_word(dev, idetm_port, idetm_data);
pci_read_config_byte(dev, 0x48, &udma_enable);
udma_enable &= ~(1 << (2 * ap->port_no + adev->devno));
pci_write_config_byte(dev, 0x48, udma_enable);
spin_unlock_irqrestore(&efar_lock, flags);
}
/**
@ -151,6 +162,7 @@ static void efar_set_dmamode (struct ata_port *ap, struct ata_device *adev)
u16 master_data;
u8 speed = adev->dma_mode;
int devid = adev->devno + 2 * ap->port_no;
unsigned long flags;
u8 udma_enable;
static const /* ISP RTC */
@ -160,6 +172,8 @@ static void efar_set_dmamode (struct ata_port *ap, struct ata_device *adev)
{ 2, 1 },
{ 2, 3 }, };
spin_lock_irqsave(&efar_lock, flags);
pci_read_config_word(dev, master_port, &master_data);
pci_read_config_byte(dev, 0x48, &udma_enable);
@ -217,6 +231,7 @@ static void efar_set_dmamode (struct ata_port *ap, struct ata_device *adev)
pci_write_config_word(dev, master_port, master_data);
}
pci_write_config_byte(dev, 0x48, udma_enable);
spin_unlock_irqrestore(&efar_lock, flags);
}
static struct scsi_host_template efar_sht = {
@ -256,13 +271,14 @@ static int efar_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
.udma_mask = ATA_UDMA4,
.port_ops = &efar_ops,
};
const struct ata_port_info *ppi[] = { &info, NULL };
const struct ata_port_info *ppi[] = { &info, &info };
if (!printed_version++)
dev_printk(KERN_DEBUG, &pdev->dev,
"version " DRV_VERSION "\n");
return ata_pci_sff_init_one(pdev, ppi, &efar_sht, NULL);
return ata_pci_sff_init_one(pdev, ppi, &efar_sht, NULL,
ATA_HOST_PARALLEL_SCAN);
}
static const struct pci_device_id efar_pci_tbl[] = {

23
drivers/ata/pata_hpt366.c
View File

@ -11,9 +11,7 @@
*
*
* TODO
* Maybe PLL mode
* Look into engine reset on timeout errors. Should not be
* required.
* Look into engine reset on timeout errors. Should not be required.
*/
@ -27,7 +25,7 @@
#include <linux/libata.h>
#define DRV_NAME "pata_hpt366"
#define DRV_VERSION "0.6.7"
#define DRV_VERSION "0.6.8"
struct hpt_clock {
u8 xfer_mode;
@ -207,17 +205,8 @@ static void hpt366_set_mode(struct ata_port *ap, struct ata_device *adev,
{
struct hpt_clock *clocks = ap->host->private_data;
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
u32 addr1 = 0x40 + 4 * (adev->devno + 2 * ap->port_no);
u32 addr2 = 0x51 + 4 * ap->port_no;
u32 addr = 0x40 + 4 * adev->devno;
u32 mask, reg;
u8 fast;
/* Fast interrupt prediction disable, hold off interrupt disable */
pci_read_config_byte(pdev, addr2, &fast);
if (fast & 0x80) {
fast &= ~0x80;
pci_write_config_byte(pdev, addr2, fast);
}
/* determine timing mask and find matching clock entry */
if (mode < XFER_MW_DMA_0)
@ -240,9 +229,9 @@ static void hpt366_set_mode(struct ata_port *ap, struct ata_device *adev,
* on-chip PIO FIFO/buffer (and PIO MST mode as well) to avoid
* problems handling I/O errors later.
*/
pci_read_config_dword(pdev, addr1, &reg);
pci_read_config_dword(pdev, addr, &reg);
reg = ((reg & ~mask) | (clocks->timing & mask)) & ~0xc0000000;
pci_write_config_dword(pdev, addr1, reg);
pci_write_config_dword(pdev, addr, reg);
}
/**
@ -372,7 +361,7 @@ static int hpt36x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
break;
}
/* Now kick off ATA set up */
return ata_pci_sff_init_one(dev, ppi, &hpt36x_sht, hpriv);
return ata_pci_sff_init_one(dev, ppi, &hpt36x_sht, hpriv, 0);
}
#ifdef CONFIG_PM

209
drivers/ata/pata_hpt37x.c
View File

@ -24,7 +24,7 @@
#include <linux/libata.h>
#define DRV_NAME "pata_hpt37x"
#define DRV_VERSION "0.6.14"
#define DRV_VERSION "0.6.15"
struct hpt_clock {
u8 xfer_speed;
@ -39,25 +39,24 @@ struct hpt_chip {
/* key for bus clock timings
* bit
* 0:3 data_high_time. inactive time of DIOW_/DIOR_ for PIO and MW
* DMA. cycles = value + 1
* 4:8 data_low_time. active time of DIOW_/DIOR_ for PIO and MW
* DMA. cycles = value + 1
* 9:12 cmd_high_time. inactive time of DIOW_/DIOR_ during task file
* 0:3 data_high_time. Inactive time of DIOW_/DIOR_ for PIO and MW DMA.
* cycles = value + 1
* 4:8 data_low_time. Active time of DIOW_/DIOR_ for PIO and MW DMA.
* cycles = value + 1
* 9:12 cmd_high_time. Inactive time of DIOW_/DIOR_ during task file
* register access.
* 13:17 cmd_low_time. active time of DIOW_/DIOR_ during task file
* 13:17 cmd_low_time. Active time of DIOW_/DIOR_ during task file
* register access.
* 18:21 udma_cycle_time. clock freq and clock cycles for UDMA xfer.
* during task file register access.
* 22:24 pre_high_time. time to initialize 1st cycle for PIO and MW DMA
* xfer.
* 25:27 cmd_pre_high_time. time to initialize 1st PIO cycle for task
* 18:20 udma_cycle_time. Clock cycles for UDMA xfer.
* 21 CLK frequency for UDMA: 0=ATA clock, 1=dual ATA clock.
* 22:24 pre_high_time. Time to initialize 1st cycle for PIO and MW DMA xfer.
* 25:27 cmd_pre_high_time. Time to initialize 1st PIO cycle for task file
* register access.
* 28 UDMA enable
* 29 DMA enable
* 30 PIO_MST enable. if set, the chip is in bus master mode during
* PIO.
* 31 FIFO enable.
* 28 UDMA enable.
* 29 DMA enable.
* 30 PIO_MST enable. If set, the chip is in bus master mode during
* PIO xfer.
* 31 FIFO enable. Only for PIO.
*/
static struct hpt_clock hpt37x_timings_33[] = {
@ -384,6 +383,37 @@ static int hpt37x_pre_reset(struct ata_link *link, unsigned long deadline)
return ata_sff_prereset(link, deadline);
}
static void hpt370_set_mode(struct ata_port *ap, struct ata_device *adev,
u8 mode)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
u32 addr1, addr2;
u32 reg, timing, mask;
u8 fast;
addr1 = 0x40 + 4 * (adev->devno + 2 * ap->port_no);
addr2 = 0x51 + 4 * ap->port_no;
/* Fast interrupt prediction disable, hold off interrupt disable */
pci_read_config_byte(pdev, addr2, &fast);
fast &= ~0x02;
fast |= 0x01;
pci_write_config_byte(pdev, addr2, fast);
/* Determine timing mask and find matching mode entry */
if (mode < XFER_MW_DMA_0)
mask = 0xcfc3ffff;
else if (mode < XFER_UDMA_0)
mask = 0x31c001ff;
else
mask = 0x303c0000;
timing = hpt37x_find_mode(ap, mode);
pci_read_config_dword(pdev, addr1, &reg);
reg = (reg & ~mask) | (timing & mask);
pci_write_config_dword(pdev, addr1, reg);
}
/**
* hpt370_set_piomode - PIO setup
* @ap: ATA interface
@ -394,26 +424,7 @@ static int hpt37x_pre_reset(struct ata_link *link, unsigned long deadline)
static void hpt370_set_piomode(struct ata_port *ap, struct ata_device *adev)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
u32 addr1, addr2;
u32 reg;
u32 mode;
u8 fast;
addr1 = 0x40 + 4 * (adev->devno + 2 * ap->port_no);
addr2 = 0x51 + 4 * ap->port_no;
/* Fast interrupt prediction disable, hold off interrupt disable */
pci_read_config_byte(pdev, addr2, &fast);
fast &= ~0x02;
fast |= 0x01;
pci_write_config_byte(pdev, addr2, fast);
pci_read_config_dword(pdev, addr1, &reg);
mode = hpt37x_find_mode(ap, adev->pio_mode);
mode &= 0xCFC3FFFF; /* Leave DMA bits alone */
reg &= ~0xCFC3FFFF; /* Strip timing bits */
pci_write_config_dword(pdev, addr1, reg | mode);
hpt370_set_mode(ap, adev, adev->pio_mode);
}
/**
@ -421,33 +432,12 @@ static void hpt370_set_piomode(struct ata_port *ap, struct ata_device *adev)
* @ap: ATA interface
* @adev: Device being configured
*
* Set up the channel for MWDMA or UDMA modes. Much the same as with
* PIO, load the mode number and then set MWDMA or UDMA flag.
* Set up the channel for MWDMA or UDMA modes.
*/
static void hpt370_set_dmamode(struct ata_port *ap, struct ata_device *adev)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
u32 addr1, addr2;
u32 reg, mode, mask;
u8 fast;
addr1 = 0x40 + 4 * (adev->devno + 2 * ap->port_no);
addr2 = 0x51 + 4 * ap->port_no;
/* Fast interrupt prediction disable, hold off interrupt disable */
pci_read_config_byte(pdev, addr2, &fast);
fast &= ~0x02;
fast |= 0x01;
pci_write_config_byte(pdev, addr2, fast);
mask = adev->dma_mode < XFER_UDMA_0 ? 0x31C001FF : 0x303C0000;
pci_read_config_dword(pdev, addr1, &reg);
mode = hpt37x_find_mode(ap, adev->dma_mode);
mode &= mask;
reg &= ~mask;
pci_write_config_dword(pdev, addr1, reg | mode);
hpt370_set_mode(ap, adev, adev->dma_mode);
}
/**
@ -461,24 +451,25 @@ static void hpt370_bmdma_stop(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
u8 dma_stat = ioread8(ap->ioaddr.bmdma_addr + 2);
u8 dma_cmd;
void __iomem *bmdma = ap->ioaddr.bmdma_addr;
u8 dma_stat = ioread8(bmdma + ATA_DMA_STATUS);
u8 dma_cmd;
if (dma_stat & 0x01) {
if (dma_stat & ATA_DMA_ACTIVE) {
udelay(20);
dma_stat = ioread8(bmdma + 2);
dma_stat = ioread8(bmdma + ATA_DMA_STATUS);
}
if (dma_stat & 0x01) {
if (dma_stat & ATA_DMA_ACTIVE) {
/* Clear the engine */
pci_write_config_byte(pdev, 0x50 + 4 * ap->port_no, 0x37);
udelay(10);
/* Stop DMA */
dma_cmd = ioread8(bmdma );
iowrite8(dma_cmd & 0xFE, bmdma);
dma_cmd = ioread8(bmdma + ATA_DMA_CMD);
iowrite8(dma_cmd & ~ATA_DMA_START, bmdma + ATA_DMA_CMD);
/* Clear Error */
dma_stat = ioread8(bmdma + 2);
iowrite8(dma_stat | 0x06 , bmdma + 2);
dma_stat = ioread8(bmdma + ATA_DMA_STATUS);
iowrite8(dma_stat | ATA_DMA_INTR | ATA_DMA_ERR,
bmdma + ATA_DMA_STATUS);
/* Clear the engine */
pci_write_config_byte(pdev, 0x50 + 4 * ap->port_no, 0x37);
udelay(10);
@ -486,6 +477,37 @@ static void hpt370_bmdma_stop(struct ata_queued_cmd *qc)
ata_bmdma_stop(qc);
}
static void hpt372_set_mode(struct ata_port *ap, struct ata_device *adev,
u8 mode)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
u32 addr1, addr2;
u32 reg, timing, mask;
u8 fast;
addr1 = 0x40 + 4 * (adev->devno + 2 * ap->port_no);
addr2 = 0x51 + 4 * ap->port_no;
/* Fast interrupt prediction disable, hold off interrupt disable */
pci_read_config_byte(pdev, addr2, &fast);
fast &= ~0x07;
pci_write_config_byte(pdev, addr2, fast);
/* Determine timing mask and find matching mode entry */
if (mode < XFER_MW_DMA_0)
mask = 0xcfc3ffff;
else if (mode < XFER_UDMA_0)
mask = 0x31c001ff;
else
mask = 0x303c0000;
timing = hpt37x_find_mode(ap, mode);
pci_read_config_dword(pdev, addr1, &reg);
reg = (reg & ~mask) | (timing & mask);
pci_write_config_dword(pdev, addr1, reg);
}
/**
* hpt372_set_piomode - PIO setup
* @ap: ATA interface
@ -496,27 +518,7 @@ static void hpt370_bmdma_stop(struct ata_queued_cmd *qc)
static void hpt372_set_piomode(struct ata_port *ap, struct ata_device *adev)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
u32 addr1, addr2;
u32 reg;
u32 mode;
u8 fast;
addr1 = 0x40 + 4 * (adev->devno + 2 * ap->port_no);
addr2 = 0x51 + 4 * ap->port_no;
/* Fast interrupt prediction disable, hold off interrupt disable */
pci_read_config_byte(pdev, addr2, &fast);
fast &= ~0x07;
pci_write_config_byte(pdev, addr2, fast);
pci_read_config_dword(pdev, addr1, &reg);
mode = hpt37x_find_mode(ap, adev->pio_mode);
printk("Find mode for %d reports %X\n", adev->pio_mode, mode);
mode &= 0xCFC3FFFF; /* Leave DMA bits alone */
reg &= ~0xCFC3FFFF; /* Strip timing bits */
pci_write_config_dword(pdev, addr1, reg | mode);
hpt372_set_mode(ap, adev, adev->pio_mode);
}
/**
@ -524,33 +526,12 @@ static void hpt372_set_piomode(struct ata_port *ap, struct ata_device *adev)
* @ap: ATA interface
* @adev: Device being configured
*
* Set up the channel for MWDMA or UDMA modes. Much the same as with
* PIO, load the mode number and then set MWDMA or UDMA flag.
* Set up the channel for MWDMA or UDMA modes.
*/
static void hpt372_set_dmamode(struct ata_port *ap, struct ata_device *adev)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
u32 addr1, addr2;
u32 reg, mode, mask;
u8 fast;
addr1 = 0x40 + 4 * (adev->devno + 2 * ap->port_no);
addr2 = 0x51 + 4 * ap->port_no;
/* Fast interrupt prediction disable, hold off interrupt disable */
pci_read_config_byte(pdev, addr2, &fast);
fast &= ~0x07;
pci_write_config_byte(pdev, addr2, fast);
mask = adev->dma_mode < XFER_UDMA_0 ? 0x31C001FF : 0x303C0000;
pci_read_config_dword(pdev, addr1, &reg);
mode = hpt37x_find_mode(ap, adev->dma_mode);
printk("Find mode for DMA %d reports %X\n", adev->dma_mode, mode);
mode &= mask;
reg &= ~mask;
pci_write_config_dword(pdev, addr1, reg | mode);
hpt372_set_mode(ap, adev, adev->dma_mode);
}
/**
@ -1006,7 +987,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
}
/* Now kick off ATA set up */
return ata_pci_sff_init_one(dev, ppi, &hpt37x_sht, private_data);
return ata_pci_sff_init_one(dev, ppi, &hpt37x_sht, private_data, 0);
}
static const struct pci_device_id hpt37x[] = {

128
drivers/ata/pata_hpt3x2n.c
View File

@ -25,7 +25,7 @@
#include <linux/libata.h>
#define DRV_NAME "pata_hpt3x2n"
#define DRV_VERSION "0.3.8"
#define DRV_VERSION "0.3.10"
enum {
HPT_PCI_FAST = (1 << 31),
@ -45,25 +45,24 @@ struct hpt_chip {
/* key for bus clock timings
* bit
* 0:3 data_high_time. inactive time of DIOW_/DIOR_ for PIO and MW
* DMA. cycles = value + 1
* 4:8 data_low_time. active time of DIOW_/DIOR_ for PIO and MW
* DMA. cycles = value + 1
* 9:12 cmd_high_time. inactive time of DIOW_/DIOR_ during task file
* 0:3 data_high_time. Inactive time of DIOW_/DIOR_ for PIO and MW DMA.
* cycles = value + 1
* 4:8 data_low_time. Active time of DIOW_/DIOR_ for PIO and MW DMA.
* cycles = value + 1
* 9:12 cmd_high_time. Inactive time of DIOW_/DIOR_ during task file
* register access.
* 13:17 cmd_low_time. active time of DIOW_/DIOR_ during task file
* 13:17 cmd_low_time. Active time of DIOW_/DIOR_ during task file
* register access.
* 18:21 udma_cycle_time. clock freq and clock cycles for UDMA xfer.
* during task file register access.
* 22:24 pre_high_time. time to initialize 1st cycle for PIO and MW DMA
* xfer.
* 25:27 cmd_pre_high_time. time to initialize 1st PIO cycle for task
* 18:20 udma_cycle_time. Clock cycles for UDMA xfer.
* 21 CLK frequency for UDMA: 0=ATA clock, 1=dual ATA clock.
* 22:24 pre_high_time. Time to initialize 1st cycle for PIO and MW DMA xfer.
* 25:27 cmd_pre_high_time. Time to initialize 1st PIO cycle for task file
* register access.
* 28 UDMA enable
* 29 DMA enable
* 30 PIO_MST enable. if set, the chip is in bus master mode during
* PIO.
* 31 FIFO enable.
* 28 UDMA enable.
* 29 DMA enable.
* 30 PIO_MST enable. If set, the chip is in bus master mode during
* PIO xfer.
* 31 FIFO enable. Only for PIO.
*/
/* 66MHz DPLL clocks */
@ -161,6 +160,37 @@ static int hpt3x2n_pre_reset(struct ata_link *link, unsigned long deadline)
return ata_sff_prereset(link, deadline);
}
static void hpt3x2n_set_mode(struct ata_port *ap, struct ata_device *adev,
u8 mode)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
u32 addr1, addr2;
u32 reg, timing, mask;
u8 fast;
addr1 = 0x40 + 4 * (adev->devno + 2 * ap->port_no);
addr2 = 0x51 + 4 * ap->port_no;
/* Fast interrupt prediction disable, hold off interrupt disable */
pci_read_config_byte(pdev, addr2, &fast);
fast &= ~0x07;
pci_write_config_byte(pdev, addr2, fast);
/* Determine timing mask and find matching mode entry */
if (mode < XFER_MW_DMA_0)
mask = 0xcfc3ffff;
else if (mode < XFER_UDMA_0)
mask = 0x31c001ff;
else
mask = 0x303c0000;
timing = hpt3x2n_find_mode(ap, mode);
pci_read_config_dword(pdev, addr1, &reg);
reg = (reg & ~mask) | (timing & mask);
pci_write_config_dword(pdev, addr1, reg);
}
/**
* hpt3x2n_set_piomode - PIO setup
* @ap: ATA interface
@ -171,25 +201,7 @@ static int hpt3x2n_pre_reset(struct ata_link *link, unsigned long deadline)
static void hpt3x2n_set_piomode(struct ata_port *ap, struct ata_device *adev)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
u32 addr1, addr2;
u32 reg;
u32 mode;
u8 fast;
addr1 = 0x40 + 4 * (adev->devno + 2 * ap->port_no);
addr2 = 0x51 + 4 * ap->port_no;
/* Fast interrupt prediction disable, hold off interrupt disable */
pci_read_config_byte(pdev, addr2, &fast);
fast &= ~0x07;
pci_write_config_byte(pdev, addr2, fast);
pci_read_config_dword(pdev, addr1, &reg);
mode = hpt3x2n_find_mode(ap, adev->pio_mode);
mode &= 0xCFC3FFFF; /* Leave DMA bits alone */
reg &= ~0xCFC3FFFF; /* Strip timing bits */
pci_write_config_dword(pdev, addr1, reg | mode);
hpt3x2n_set_mode(ap, adev, adev->pio_mode);
}
/**
@ -197,32 +209,12 @@ static void hpt3x2n_set_piomode(struct ata_port *ap, struct ata_device *adev)
* @ap: ATA interface
* @adev: Device being configured
*
* Set up the channel for MWDMA or UDMA modes. Much the same as with
* PIO, load the mode number and then set MWDMA or UDMA flag.
* Set up the channel for MWDMA or UDMA modes.
*/
static void hpt3x2n_set_dmamode(struct ata_port *ap, struct ata_device *adev)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
u32 addr1, addr2;
u32 reg, mode, mask;
u8 fast;
addr1 = 0x40 + 4 * (adev->devno + 2 * ap->port_no);
addr2 = 0x51 + 4 * ap->port_no;
/* Fast interrupt prediction disable, hold off interrupt disable */
pci_read_config_byte(pdev, addr2, &fast);
fast &= ~0x07;
pci_write_config_byte(pdev, addr2, fast);
mask = adev->dma_mode < XFER_UDMA_0 ? 0x31C001FF : 0x303C0000;
pci_read_config_dword(pdev, addr1, &reg);
mode = hpt3x2n_find_mode(ap, adev->dma_mode);
mode &= mask;
reg &= ~mask;
pci_write_config_dword(pdev, addr1, reg | mode);
hpt3x2n_set_mode(ap, adev, adev->dma_mode);
}
/**
@ -544,19 +536,19 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id)
pci_mhz);
/* Set our private data up. We only need a few flags so we use
it directly */
if (pci_mhz > 60) {
if (pci_mhz > 60)
hpriv = (void *)(PCI66 | USE_DPLL);
/*
* On HPT371N, if ATA clock is 66 MHz we must set bit 2 in
* the MISC. register to stretch the UltraDMA Tss timing.
* NOTE: This register is only writeable via I/O space.
*/
if (dev->device == PCI_DEVICE_ID_TTI_HPT371)
outb(inb(iobase + 0x9c) | 0x04, iobase + 0x9c);
}
/*
* On HPT371N, if ATA clock is 66 MHz we must set bit 2 in
* the MISC. register to stretch the UltraDMA Tss timing.
* NOTE: This register is only writeable via I/O space.
*/
if (dev->device == PCI_DEVICE_ID_TTI_HPT371)
outb(inb(iobase + 0x9c) | 0x04, iobase + 0x9c);
/* Now kick off ATA set up */
return ata_pci_sff_init_one(dev, ppi, &hpt3x2n_sht, hpriv);
return ata_pci_sff_init_one(dev, ppi, &hpt3x2n_sht, hpriv, 0);
}
static const struct pci_device_id hpt3x2n[] = {

2
drivers/ata/pata_it8213.c
View File

@ -273,7 +273,7 @@ static int it8213_init_one (struct pci_dev *pdev, const struct pci_device_id *en
dev_printk(KERN_DEBUG, &pdev->dev,
"version " DRV_VERSION "\n");
return ata_pci_sff_init_one(pdev, ppi, &it8213_sht, NULL);
return ata_pci_sff_init_one(pdev, ppi, &it8213_sht, NULL, 0);
}
static const struct pci_device_id it8213_pci_tbl[] = {

2
drivers/ata/pata_it821x.c
View File

@ -932,7 +932,7 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
else
ppi[0] = &info_smart;
}
return ata_pci_sff_init_one(pdev, ppi, &it821x_sht, NULL);
return ata_pci_sff_init_one(pdev, ppi, &it821x_sht, NULL, 0);
}
#ifdef CONFIG_PM

2
drivers/ata/pata_jmicron.c
View File

@ -144,7 +144,7 @@ static int jmicron_init_one (struct pci_dev *pdev, const struct pci_device_id *i
};
const struct ata_port_info *ppi[] = { &info, NULL };
return ata_pci_sff_init_one(pdev, ppi, &jmicron_sht, NULL);
return ata_pci_sff_init_one(pdev, ppi, &jmicron_sht, NULL, 0);
}
static const struct pci_device_id jmicron_pci_tbl[] = {

4
drivers/ata/pata_marvell.c
View File

@ -147,13 +147,13 @@ static int marvell_init_one (struct pci_dev *pdev, const struct pci_device_id *i
if (pdev->device == 0x6101)
ppi[1] = &ata_dummy_port_info;
#if defined(CONFIG_AHCI) || defined(CONFIG_AHCI_MODULE)
#if defined(CONFIG_SATA_AHCI) || defined(CONFIG_SATA_AHCI_MODULE)
if (!marvell_pata_active(pdev)) {
printk(KERN_INFO DRV_NAME ": PATA port not active, deferring to AHCI driver.\n");
return -ENODEV;
}
#endif
return ata_pci_sff_init_one(pdev, ppi, &marvell_sht, NULL);
return ata_pci_sff_init_one(pdev, ppi, &marvell_sht, NULL, 0);
}
static const struct pci_device_id marvell_pci_tbl[] = {

2
drivers/ata/pata_netcell.c
View File

@ -82,7 +82,7 @@ static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *e
ata_pci_bmdma_clear_simplex(pdev);
/* And let the library code do the work */
return ata_pci_sff_init_one(pdev, port_info, &netcell_sht, NULL);
return ata_pci_sff_init_one(pdev, port_info, &netcell_sht, NULL, 0);
}
static const struct pci_device_id netcell_pci_tbl[] = {

2
drivers/ata/pata_ns87410.c
View File

@ -148,7 +148,7 @@ static int ns87410_init_one(struct pci_dev *dev, const struct pci_device_id *id)
.port_ops = &ns87410_port_ops
};
const struct ata_port_info *ppi[] = { &info, NULL };
return ata_pci_sff_init_one(dev, ppi, &ns87410_sht, NULL);
return ata_pci_sff_init_one(dev, ppi, &ns87410_sht, NULL, 0);
}
static const struct pci_device_id ns87410[] = {

2
drivers/ata/pata_ns87415.c
View File

@ -380,7 +380,7 @@ static int ns87415_init_one (struct pci_dev *pdev, const struct pci_device_id *e
ns87415_fixup(pdev);
return ata_pci_sff_init_one(pdev, ppi, &ns87415_sht, NULL);
return ata_pci_sff_init_one(pdev, ppi, &ns87415_sht, NULL, 0);
}
static const struct pci_device_id ns87415_pci_tbl[] = {

2
drivers/ata/pata_oldpiix.c
View File

@ -248,7 +248,7 @@ static int oldpiix_init_one (struct pci_dev *pdev, const struct pci_device_id *e
dev_printk(KERN_DEBUG, &pdev->dev,
"version " DRV_VERSION "\n");
return ata_pci_sff_init_one(pdev, ppi, &oldpiix_sht, NULL);
return ata_pci_sff_init_one(pdev, ppi, &oldpiix_sht, NULL, 0);
}
static const struct pci_device_id oldpiix_pci_tbl[] = {

2
drivers/ata/pata_opti.c
View File

@ -172,7 +172,7 @@ static int opti_init_one(struct pci_dev *dev, const struct pci_device_id *id)
if (!printed_version++)
dev_printk(KERN_DEBUG, &dev->dev, "version " DRV_VERSION "\n");
return ata_pci_sff_init_one(dev, ppi, &opti_sht, NULL);
return ata_pci_sff_init_one(dev, ppi, &opti_sht, NULL, 0);
}
static const struct pci_device_id opti[] = {

2
drivers/ata/pata_optidma.c
View File

@ -429,7 +429,7 @@ static int optidma_init_one(struct pci_dev *dev, const struct pci_device_id *id)
if (optiplus_with_udma(dev))
ppi[0] = &info_82c700_udma;
return ata_pci_sff_init_one(dev, ppi, &optidma_sht, NULL);
return ata_pci_sff_init_one(dev, ppi, &optidma_sht, NULL, 0);
}
static const struct pci_device_id optidma[] = {

2
drivers/ata/pata_pcmcia.c
View File

@ -136,7 +136,7 @@ static unsigned int ata_data_xfer_8bit(struct ata_device *dev,
*
*/
void pcmcia_8bit_drain_fifo(struct ata_queued_cmd *qc)
static void pcmcia_8bit_drain_fifo(struct ata_queued_cmd *qc)
{
int count;
struct ata_port *ap;

17
drivers/ata/pata_pdc202xx_old.c
View File

@ -2,7 +2,7 @@
* pata_pdc202xx_old.c - Promise PDC202xx PATA for new ATA layer
* (C) 2005 Red Hat Inc
* Alan Cox <alan@lxorguk.ukuu.org.uk>
* (C) 2007,2009 Bartlomiej Zolnierkiewicz
* (C) 2007,2009,2010 Bartlomiej Zolnierkiewicz
*
* Based in part on linux/drivers/ide/pci/pdc202xx_old.c
*
@ -35,6 +35,15 @@ static int pdc2026x_cable_detect(struct ata_port *ap)
return ATA_CBL_PATA80;
}
static void pdc202xx_exec_command(struct ata_port *ap,
const struct ata_taskfile *tf)
{
DPRINTK("ata%u: cmd 0x%X\n", ap->print_id, tf->command);
iowrite8(tf->command, ap->ioaddr.command_addr);
ndelay(400);
}
/**
* pdc202xx_configure_piomode - set chip PIO timing
* @ap: ATA interface
@ -271,6 +280,8 @@ static struct ata_port_operations pdc2024x_port_ops = {
.cable_detect = ata_cable_40wire,
.set_piomode = pdc202xx_set_piomode,
.set_dmamode = pdc202xx_set_dmamode,
.sff_exec_command = pdc202xx_exec_command,
};
static struct ata_port_operations pdc2026x_port_ops = {
@ -284,6 +295,8 @@ static struct ata_port_operations pdc2026x_port_ops = {
.dev_config = pdc2026x_dev_config,
.port_start = pdc2026x_port_start,
.sff_exec_command = pdc202xx_exec_command,
};
static int pdc202xx_init_one(struct pci_dev *dev, const struct pci_device_id *id)
@ -324,7 +337,7 @@ static int pdc202xx_init_one(struct pci_dev *dev, const struct pci_device_id *id
return -ENODEV;
}
}
return ata_pci_sff_init_one(dev, ppi, &pdc202xx_sht, NULL);
return ata_pci_sff_init_one(dev, ppi, &pdc202xx_sht, NULL, 0);
}
static const struct pci_device_id pdc202xx[] = {

2
drivers/ata/pata_piccolo.c
View File

@ -95,7 +95,7 @@ static int ata_tosh_init_one(struct pci_dev *dev, const struct pci_device_id *id
};
const struct ata_port_info *ppi[] = { &info, &ata_dummy_port_info };
/* Just one port for the moment */
return ata_pci_sff_init_one(dev, ppi, &tosh_sht, NULL);
return ata_pci_sff_init_one(dev, ppi, &tosh_sht, NULL, 0);
}
static struct pci_device_id ata_tosh[] = {

2
drivers/ata/pata_radisys.c
View File

@ -227,7 +227,7 @@ static int radisys_init_one (struct pci_dev *pdev, const struct pci_device_id *e
dev_printk(KERN_DEBUG, &pdev->dev,
"version " DRV_VERSION "\n");
return ata_pci_sff_init_one(pdev, ppi, &radisys_sht, NULL);
return ata_pci_sff_init_one(pdev, ppi, &radisys_sht, NULL, 0);
}
static const struct pci_device_id radisys_pci_tbl[] = {

2
drivers/ata/pata_rz1000.c
View File

@ -95,7 +95,7 @@ static int rz1000_init_one (struct pci_dev *pdev, const struct pci_device_id *en
printk_once(KERN_DEBUG DRV_NAME " version " DRV_VERSION "\n");
if (rz1000_fifo_disable(pdev) == 0)
return ata_pci_sff_init_one(pdev, ppi, &rz1000_sht, NULL);
return ata_pci_sff_init_one(pdev, ppi, &rz1000_sht, NULL, 0);
printk(KERN_ERR DRV_NAME ": failed to disable read-ahead on chipset..\n");
/* Not safe to use so skip */

2
drivers/ata/pata_sc1200.c
View File

@ -237,7 +237,7 @@ static int sc1200_init_one(struct pci_dev *dev, const struct pci_device_id *id)
};
const struct ata_port_info *ppi[] = { &info, NULL };
return ata_pci_sff_init_one(dev, ppi, &sc1200_sht, NULL);
return ata_pci_sff_init_one(dev, ppi, &sc1200_sht, NULL, 0);
}
static const struct pci_device_id sc1200[] = {

7
drivers/ata/pata_serverworks.c
View File

@ -1,6 +1,7 @@
/*
* pata_serverworks.c - Serverworks PATA for new ATA layer
* (C) 2005 Red Hat Inc
* (C) 2010 Bartlomiej Zolnierkiewicz
*
* based upon
*
@ -253,7 +254,7 @@ static void serverworks_set_piomode(struct ata_port *ap, struct ata_device *adev
if (serverworks_is_csb(pdev)) {
pci_read_config_word(pdev, 0x4A, &csb5_pio);
csb5_pio &= ~(0x0F << devbits);
pci_write_config_byte(pdev, 0x4A, csb5_pio | (pio << devbits));
pci_write_config_word(pdev, 0x4A, csb5_pio | (pio << devbits));
}
}
@ -327,7 +328,7 @@ static int serverworks_fixup_osb4(struct pci_dev *pdev)
pci_dev_put(isa_dev);
return 0;
}
printk(KERN_WARNING "ata_serverworks: Unable to find bridge.\n");
printk(KERN_WARNING DRV_NAME ": Unable to find bridge.\n");
return -ENODEV;
}
@ -459,7 +460,7 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id
if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE)
ata_pci_bmdma_clear_simplex(pdev);
return ata_pci_sff_init_one(pdev, ppi, &serverworks_sht, NULL);
return ata_pci_sff_init_one(pdev, ppi, &serverworks_sht, NULL, 0);
}
#ifdef CONFIG_PM

2
drivers/ata/pata_sil680.c
View File

@ -356,7 +356,7 @@ static int __devinit sil680_init_one(struct pci_dev *pdev,
IRQF_SHARED, &sil680_sht);
use_ioports:
return ata_pci_sff_init_one(pdev, ppi, &sil680_sht, NULL);
return ata_pci_sff_init_one(pdev, ppi, &sil680_sht, NULL, 0);
}
#ifdef CONFIG_PM

2
drivers/ata/pata_sis.c
View File

@ -826,7 +826,7 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
sis_fixup(pdev, chipset);
return ata_pci_sff_init_one(pdev, ppi, &sis_sht, chipset);
return ata_pci_sff_init_one(pdev, ppi, &sis_sht, chipset, 0);
}
#ifdef CONFIG_PM

2
drivers/ata/pata_sl82c105.c
View File

@ -316,7 +316,7 @@ static int sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id
val |= CTRL_P0EN | CTRL_P0F16 | CTRL_P1F16;
pci_write_config_dword(dev, 0x40, val);
return ata_pci_sff_init_one(dev, ppi, &sl82c105_sht, NULL);
return ata_pci_sff_init_one(dev, ppi, &sl82c105_sht, NULL, 0);
}
static const struct pci_device_id sl82c105[] = {

2
drivers/ata/pata_triflex.c
View File

@ -201,7 +201,7 @@ static int triflex_init_one(struct pci_dev *dev, const struct pci_device_id *id)
if (!printed_version++)
dev_printk(KERN_DEBUG, &dev->dev, "version " DRV_VERSION "\n");
return ata_pci_sff_init_one(dev, ppi, &triflex_sht, NULL);
return ata_pci_sff_init_one(dev, ppi, &triflex_sht, NULL, 0);
}
static const struct pci_device_id triflex[] = {

210
drivers/ata/pata_via.c
View File

@ -22,6 +22,7 @@
* VIA VT8233c - UDMA100
* VIA VT8235 - UDMA133
* VIA VT8237 - UDMA133
* VIA VT8237A - UDMA133
* VIA VT8237S - UDMA133
* VIA VT8251 - UDMA133
*
@ -64,26 +65,15 @@
#define DRV_NAME "pata_via"
#define DRV_VERSION "0.3.4"
/*
* The following comes directly from Vojtech Pavlik's ide/pci/via82cxxx
* driver.
*/
enum {
VIA_UDMA = 0x007,
VIA_UDMA_NONE = 0x000,
VIA_UDMA_33 = 0x001,
VIA_UDMA_66 = 0x002,
VIA_UDMA_100 = 0x003,
VIA_UDMA_133 = 0x004,
VIA_BAD_PREQ = 0x010, /* Crashes if PREQ# till DDACK# set */
VIA_BAD_CLK66 = 0x020, /* 66 MHz clock doesn't work correctly */
VIA_SET_FIFO = 0x040, /* Needs to have FIFO split set */
VIA_NO_UNMASK = 0x080, /* Doesn't work with IRQ unmasking on */
VIA_BAD_ID = 0x100, /* Has wrong vendor ID (0x1107) */
VIA_BAD_AST = 0x200, /* Don't touch Address Setup Timing */
VIA_NO_ENABLES = 0x400, /* Has no enablebits */
VIA_SATA_PATA = 0x800, /* SATA/PATA combined configuration */
VIA_BAD_PREQ = 0x01, /* Crashes if PREQ# till DDACK# set */
VIA_BAD_CLK66 = 0x02, /* 66 MHz clock doesn't work correctly */
VIA_SET_FIFO = 0x04, /* Needs to have FIFO split set */
VIA_NO_UNMASK = 0x08, /* Doesn't work with IRQ unmasking on */
VIA_BAD_ID = 0x10, /* Has wrong vendor ID (0x1107) */
VIA_BAD_AST = 0x20, /* Don't touch Address Setup Timing */
VIA_NO_ENABLES = 0x40, /* Has no enablebits */
VIA_SATA_PATA = 0x80, /* SATA/PATA combined configuration */
};
enum {
@ -99,40 +89,37 @@ static const struct via_isa_bridge {
u16 id;
u8 rev_min;
u8 rev_max;
u16 flags;
u8 udma_mask;
u8 flags;
} via_isa_bridges[] = {
{ "vx855", PCI_DEVICE_ID_VIA_VX855, 0x00, 0x2f,
VIA_UDMA_133 | VIA_BAD_AST | VIA_SATA_PATA },
{ "vx800", PCI_DEVICE_ID_VIA_VX800, 0x00, 0x2f, VIA_UDMA_133 |
VIA_BAD_AST | VIA_SATA_PATA },
{ "vt8261", PCI_DEVICE_ID_VIA_8261, 0x00, 0x2f,
VIA_UDMA_133 | VIA_BAD_AST },
{ "vt8237s", PCI_DEVICE_ID_VIA_8237S, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "vt8251", PCI_DEVICE_ID_VIA_8251, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "cx700", PCI_DEVICE_ID_VIA_CX700, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST | VIA_SATA_PATA },
{ "vt6410", PCI_DEVICE_ID_VIA_6410, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST | VIA_NO_ENABLES },
{ "vt6415", PCI_DEVICE_ID_VIA_6415, 0x00, 0xff, VIA_UDMA_133 | VIA_BAD_AST | VIA_NO_ENABLES },
{ "vt8237a", PCI_DEVICE_ID_VIA_8237A, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "vt8237", PCI_DEVICE_ID_VIA_8237, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "vt8235", PCI_DEVICE_ID_VIA_8235, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "vt8233a", PCI_DEVICE_ID_VIA_8233A, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "vt8233c", PCI_DEVICE_ID_VIA_8233C_0, 0x00, 0x2f, VIA_UDMA_100 },
{ "vt8233", PCI_DEVICE_ID_VIA_8233_0, 0x00, 0x2f, VIA_UDMA_100 },
{ "vt8231", PCI_DEVICE_ID_VIA_8231, 0x00, 0x2f, VIA_UDMA_100 },
{ "vt82c686b", PCI_DEVICE_ID_VIA_82C686, 0x40, 0x4f, VIA_UDMA_100 },
{ "vt82c686a", PCI_DEVICE_ID_VIA_82C686, 0x10, 0x2f, VIA_UDMA_66 },
{ "vt82c686", PCI_DEVICE_ID_VIA_82C686, 0x00, 0x0f, VIA_UDMA_33 | VIA_BAD_CLK66 },
{ "vt82c596b", PCI_DEVICE_ID_VIA_82C596, 0x10, 0x2f, VIA_UDMA_66 },
{ "vt82c596a", PCI_DEVICE_ID_VIA_82C596, 0x00, 0x0f, VIA_UDMA_33 | VIA_BAD_CLK66 },
{ "vt82c586b", PCI_DEVICE_ID_VIA_82C586_0, 0x47, 0x4f, VIA_UDMA_33 | VIA_SET_FIFO },
{ "vt82c586b", PCI_DEVICE_ID_VIA_82C586_0, 0x40, 0x46, VIA_UDMA_33 | VIA_SET_FIFO | VIA_BAD_PREQ },
{ "vt82c586b", PCI_DEVICE_ID_VIA_82C586_0, 0x30, 0x3f, VIA_UDMA_33 | VIA_SET_FIFO },
{ "vt82c586a", PCI_DEVICE_ID_VIA_82C586_0, 0x20, 0x2f, VIA_UDMA_33 | VIA_SET_FIFO },
{ "vt82c586", PCI_DEVICE_ID_VIA_82C586_0, 0x00, 0x0f, VIA_UDMA_NONE | VIA_SET_FIFO },
{ "vt82c576", PCI_DEVICE_ID_VIA_82C576, 0x00, 0x2f, VIA_UDMA_NONE | VIA_SET_FIFO | VIA_NO_UNMASK },
{ "vt82c576", PCI_DEVICE_ID_VIA_82C576, 0x00, 0x2f, VIA_UDMA_NONE | VIA_SET_FIFO | VIA_NO_UNMASK | VIA_BAD_ID },
{ "vtxxxx", PCI_DEVICE_ID_VIA_ANON, 0x00, 0x2f,
VIA_UDMA_133 | VIA_BAD_AST },
{ "vx855", PCI_DEVICE_ID_VIA_VX855, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST | VIA_SATA_PATA },
{ "vx800", PCI_DEVICE_ID_VIA_VX800, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST | VIA_SATA_PATA },
{ "vt8261", PCI_DEVICE_ID_VIA_8261, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
{ "vt8237s", PCI_DEVICE_ID_VIA_8237S, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
{ "vt8251", PCI_DEVICE_ID_VIA_8251, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
{ "cx700", PCI_DEVICE_ID_VIA_CX700, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST | VIA_SATA_PATA },
{ "vt6410", PCI_DEVICE_ID_VIA_6410, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST | VIA_NO_ENABLES },
{ "vt6415", PCI_DEVICE_ID_VIA_6415, 0x00, 0xff, ATA_UDMA6, VIA_BAD_AST | VIA_NO_ENABLES },
{ "vt8237a", PCI_DEVICE_ID_VIA_8237A, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
{ "vt8237", PCI_DEVICE_ID_VIA_8237, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
{ "vt8235", PCI_DEVICE_ID_VIA_8235, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
{ "vt8233a", PCI_DEVICE_ID_VIA_8233A, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
{ "vt8233c", PCI_DEVICE_ID_VIA_8233C_0, 0x00, 0x2f, ATA_UDMA5, },
{ "vt8233", PCI_DEVICE_ID_VIA_8233_0, 0x00, 0x2f, ATA_UDMA5, },
{ "vt8231", PCI_DEVICE_ID_VIA_8231, 0x00, 0x2f, ATA_UDMA5, },
{ "vt82c686b", PCI_DEVICE_ID_VIA_82C686, 0x40, 0x4f, ATA_UDMA5, },
{ "vt82c686a", PCI_DEVICE_ID_VIA_82C686, 0x10, 0x2f, ATA_UDMA4, },
{ "vt82c686", PCI_DEVICE_ID_VIA_82C686, 0x00, 0x0f, ATA_UDMA2, VIA_BAD_CLK66 },
{ "vt82c596b", PCI_DEVICE_ID_VIA_82C596, 0x10, 0x2f, ATA_UDMA4, },
{ "vt82c596a", PCI_DEVICE_ID_VIA_82C596, 0x00, 0x0f, ATA_UDMA2, VIA_BAD_CLK66 },
{ "vt82c586b", PCI_DEVICE_ID_VIA_82C586_0, 0x47, 0x4f, ATA_UDMA2, VIA_SET_FIFO },
{ "vt82c586b", PCI_DEVICE_ID_VIA_82C586_0, 0x40, 0x46, ATA_UDMA2, VIA_SET_FIFO | VIA_BAD_PREQ },
{ "vt82c586b", PCI_DEVICE_ID_VIA_82C586_0, 0x30, 0x3f, ATA_UDMA2, VIA_SET_FIFO },
{ "vt82c586a", PCI_DEVICE_ID_VIA_82C586_0, 0x20, 0x2f, ATA_UDMA2, VIA_SET_FIFO },
{ "vt82c586", PCI_DEVICE_ID_VIA_82C586_0, 0x00, 0x0f, 0x00, VIA_SET_FIFO },
{ "vt82c576", PCI_DEVICE_ID_VIA_82C576, 0x00, 0x2f, 0x00, VIA_SET_FIFO | VIA_NO_UNMASK },
{ "vt82c576", PCI_DEVICE_ID_VIA_82C576, 0x00, 0x2f, 0x00, VIA_SET_FIFO | VIA_NO_UNMASK | VIA_BAD_ID },
{ "vtxxxx", PCI_DEVICE_ID_VIA_ANON, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
{ NULL }
};
@ -191,10 +178,10 @@ static int via_cable_detect(struct ata_port *ap) {
return ATA_CBL_SATA;
/* Early chips are 40 wire */
if ((config->flags & VIA_UDMA) < VIA_UDMA_66)
if (config->udma_mask < ATA_UDMA4)
return ATA_CBL_PATA40;
/* UDMA 66 chips have only drive side logic */
else if ((config->flags & VIA_UDMA) < VIA_UDMA_100)
else if (config->udma_mask < ATA_UDMA5)
return ATA_CBL_PATA_UNK;
/* UDMA 100 or later */
pci_read_config_dword(pdev, 0x50, &ata66);
@ -229,11 +216,10 @@ static int via_pre_reset(struct ata_link *link, unsigned long deadline)
/**
* via_do_set_mode - set initial PIO mode data
* via_do_set_mode - set transfer mode data
* @ap: ATA interface
* @adev: ATA device
* @mode: ATA mode being programmed
* @tdiv: Clocks per PCI clock
* @set_ast: Set to program address setup
* @udma_type: UDMA mode/format of registers
*
@ -244,17 +230,27 @@ static int via_pre_reset(struct ata_link *link, unsigned long deadline)
* on the two channels.
*/
static void via_do_set_mode(struct ata_port *ap, struct ata_device *adev, int mode, int tdiv, int set_ast, int udma_type)
static void via_do_set_mode(struct ata_port *ap, struct ata_device *adev,
int mode, int set_ast, int udma_type)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
struct ata_device *peer = ata_dev_pair(adev);
struct ata_timing t, p;
static int via_clock = 33333; /* Bus clock in kHZ - ought to be tunable one day */
static int via_clock = 33333; /* Bus clock in kHZ */
unsigned long T = 1000000000 / via_clock;
unsigned long UT = T/tdiv;
unsigned long UT = T;
int ut;
int offset = 3 - (2*ap->port_no) - adev->devno;
switch (udma_type) {
case ATA_UDMA4:
UT = T / 2; break;
case ATA_UDMA5:
UT = T / 3; break;
case ATA_UDMA6:
UT = T / 4; break;
}
/* Calculate the timing values we require */
ata_timing_compute(adev, mode, &t, T, UT);
@ -273,7 +269,7 @@ static void via_do_set_mode(struct ata_port *ap, struct ata_device *adev, int mo
pci_read_config_byte(pdev, 0x4C, &setup);
setup &= ~(3 << shift);
setup |= clamp_val(t.setup, 1, 4) << shift; /* 1,4 or 1,4 - 1 FIXME */
setup |= (clamp_val(t.setup, 1, 4) - 1) << shift;
pci_write_config_byte(pdev, 0x4C, setup);
}
@ -284,22 +280,20 @@ static void via_do_set_mode(struct ata_port *ap, struct ata_device *adev, int mo
((clamp_val(t.active, 1, 16) - 1) << 4) | (clamp_val(t.recover, 1, 16) - 1));
/* Load the UDMA bits according to type */
switch(udma_type) {
default:
/* BUG() ? */
/* fall through */
case 33:
ut = t.udma ? (0xe0 | (clamp_val(t.udma, 2, 5) - 2)) : 0x03;
break;
case 66:
ut = t.udma ? (0xe8 | (clamp_val(t.udma, 2, 9) - 2)) : 0x0f;
break;
case 100:
ut = t.udma ? (0xe0 | (clamp_val(t.udma, 2, 9) - 2)) : 0x07;
break;
case 133:
ut = t.udma ? (0xe0 | (clamp_val(t.udma, 2, 9) - 2)) : 0x07;
break;
switch (udma_type) {
case ATA_UDMA2:
default:
ut = t.udma ? (0xe0 | (clamp_val(t.udma, 2, 5) - 2)) : 0x03;
break;
case ATA_UDMA4:
ut = t.udma ? (0xe8 | (clamp_val(t.udma, 2, 9) - 2)) : 0x0f;
break;
case ATA_UDMA5:
ut = t.udma ? (0xe0 | (clamp_val(t.udma, 2, 9) - 2)) : 0x07;
break;
case ATA_UDMA6:
ut = t.udma ? (0xe0 | (clamp_val(t.udma, 2, 9) - 2)) : 0x07;
break;
}
/* Set UDMA unless device is not UDMA capable */
@ -325,22 +319,16 @@ static void via_set_piomode(struct ata_port *ap, struct ata_device *adev)
{
const struct via_isa_bridge *config = ap->host->private_data;
int set_ast = (config->flags & VIA_BAD_AST) ? 0 : 1;
int mode = config->flags & VIA_UDMA;
static u8 tclock[5] = { 1, 1, 2, 3, 4 };
static u8 udma[5] = { 0, 33, 66, 100, 133 };
via_do_set_mode(ap, adev, adev->pio_mode, tclock[mode], set_ast, udma[mode]);
via_do_set_mode(ap, adev, adev->pio_mode, set_ast, config->udma_mask);
}
static void via_set_dmamode(struct ata_port *ap, struct ata_device *adev)
{
const struct via_isa_bridge *config = ap->host->private_data;
int set_ast = (config->flags & VIA_BAD_AST) ? 0 : 1;
int mode = config->flags & VIA_UDMA;
static u8 tclock[5] = { 1, 1, 2, 3, 4 };
static u8 udma[5] = { 0, 33, 66, 100, 133 };
via_do_set_mode(ap, adev, adev->dma_mode, tclock[mode], set_ast, udma[mode]);
via_do_set_mode(ap, adev, adev->dma_mode, set_ast, config->udma_mask);
}
/**
@ -604,33 +592,29 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
via_config_fifo(pdev, config->flags);
/* Clock set up */
switch(config->flags & VIA_UDMA) {
case VIA_UDMA_NONE:
if (config->flags & VIA_NO_UNMASK)
ppi[0] = &via_mwdma_info_borked;
else
ppi[0] = &via_mwdma_info;
break;
case VIA_UDMA_33:
ppi[0] = &via_udma33_info;
break;
case VIA_UDMA_66:
ppi[0] = &via_udma66_info;
/* The 66 MHz devices require we enable the clock */
pci_read_config_dword(pdev, 0x50, &timing);
timing |= 0x80008;
pci_write_config_dword(pdev, 0x50, timing);
break;
case VIA_UDMA_100:
ppi[0] = &via_udma100_info;
break;
case VIA_UDMA_133:
ppi[0] = &via_udma133_info;
break;
default:
WARN_ON(1);
return -ENODEV;
}
switch (config->udma_mask) {
case 0x00:
if (config->flags & VIA_NO_UNMASK)
ppi[0] = &via_mwdma_info_borked;
else
ppi[0] = &via_mwdma_info;
break;
case ATA_UDMA2:
ppi[0] = &via_udma33_info;
break;
case ATA_UDMA4:
ppi[0] = &via_udma66_info;
break;
case ATA_UDMA5:
ppi[0] = &via_udma100_info;
break;
case ATA_UDMA6:
ppi[0] = &via_udma133_info;
break;
default:
WARN_ON(1);
return -ENODEV;
}
if (config->flags & VIA_BAD_CLK66) {
/* Disable the 66MHz clock on problem devices */
@ -640,7 +624,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
}
/* We have established the device type, now fire it up */
return ata_pci_sff_init_one(pdev, ppi, &via_sht, (void *)config);
return ata_pci_sff_init_one(pdev, ppi, &via_sht, (void *)config, 0);
}
#ifdef CONFIG_PM
@ -667,7 +651,7 @@ static int via_reinit_one(struct pci_dev *pdev)
via_config_fifo(pdev, config->flags);
if ((config->flags & VIA_UDMA) == VIA_UDMA_66) {
if (config->udma_mask == ATA_UDMA4) {
/* The 66 MHz devices require we enable the clock */
pci_read_config_dword(pdev, 0x50, &timing);
timing |= 0x80008;

23
drivers/ata/sata_via.c
View File

@ -40,11 +40,13 @@
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_host.h>
#include <linux/libata.h>
#define DRV_NAME "sata_via"
#define DRV_VERSION "2.4"
#define DRV_VERSION "2.6"
/*
* vt8251 is different from other sata controllers of VIA. It has two
@ -80,6 +82,7 @@ static int vt8251_scr_write(struct ata_link *link, unsigned int scr, u32 val);
static void svia_tf_load(struct ata_port *ap, const struct ata_taskfile *tf);
static void svia_noop_freeze(struct ata_port *ap);
static int vt6420_prereset(struct ata_link *link, unsigned long deadline);
static void vt6420_bmdma_start(struct ata_queued_cmd *qc);
static int vt6421_pata_cable_detect(struct ata_port *ap);
static void vt6421_set_pio_mode(struct ata_port *ap, struct ata_device *adev);
static void vt6421_set_dma_mode(struct ata_port *ap, struct ata_device *adev);
@ -121,6 +124,7 @@ static struct ata_port_operations vt6420_sata_ops = {
.inherits = &svia_base_ops,
.freeze = svia_noop_freeze,
.prereset = vt6420_prereset,
.bmdma_start = vt6420_bmdma_start,
};
static struct ata_port_operations vt6421_pata_ops = {
@ -377,6 +381,17 @@ static int vt6420_prereset(struct ata_link *link, unsigned long deadline)
return 0;
}
static void vt6420_bmdma_start(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
if ((qc->tf.command == ATA_CMD_PACKET) &&
(qc->scsicmd->sc_data_direction == DMA_TO_DEVICE)) {
/* Prevents corruption on some ATAPI burners */
ata_sff_pause(ap);
}
ata_bmdma_start(qc);
}
static int vt6421_pata_cable_detect(struct ata_port *ap)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
@ -392,14 +407,16 @@ static void vt6421_set_pio_mode(struct ata_port *ap, struct ata_device *adev)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
static const u8 pio_bits[] = { 0xA8, 0x65, 0x65, 0x31, 0x20 };
pci_write_config_byte(pdev, PATA_PIO_TIMING, pio_bits[adev->pio_mode - XFER_PIO_0]);
pci_write_config_byte(pdev, PATA_PIO_TIMING - adev->devno,
pio_bits[adev->pio_mode - XFER_PIO_0]);
}
static void vt6421_set_dma_mode(struct ata_port *ap, struct ata_device *adev)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
static const u8 udma_bits[] = { 0xEE, 0xE8, 0xE6, 0xE4, 0xE2, 0xE1, 0xE0, 0xE0 };
pci_write_config_byte(pdev, PATA_UDMA_TIMING, udma_bits[adev->dma_mode - XFER_UDMA_0]);
pci_write_config_byte(pdev, PATA_UDMA_TIMING - adev->devno,
udma_bits[adev->dma_mode - XFER_UDMA_0]);
}
static const unsigned int svia_bar_sizes[] = {

2
drivers/staging/phison/phison.c
View File

@ -62,7 +62,7 @@ static int phison_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
};
const struct ata_port_info *ppi[] = { &info, NULL };
ret = ata_pci_sff_init_one(pdev, ppi, &phison_sht, NULL);
ret = ata_pci_sff_init_one(pdev, ppi, &phison_sht, NULL, 0);
dev_dbg(&pdev->dev, "phison_init_one(), ret = %x\n", ret);

3
include/linux/ata.h
View File

@ -841,7 +841,8 @@ static inline int ata_id_current_chs_valid(const u16 *id)
static inline int ata_id_is_cfa(const u16 *id)
{
if (id[ATA_ID_CONFIG] == 0x848A) /* Traditional CF */
if ((id[ATA_ID_CONFIG] == 0x848A) || /* Traditional CF */
(id[ATA_ID_CONFIG] == 0x844A)) /* Delkin Devices CF */
return 1;
/*
* CF specs don't require specific value in the word 0 anymore and yet

5
include/linux/libata.h
View File

@ -857,6 +857,7 @@ struct ata_port_operations {
unsigned int (*sff_data_xfer)(struct ata_device *dev,
unsigned char *buf, unsigned int buflen, int rw);
u8 (*sff_irq_on)(struct ata_port *);
bool (*sff_irq_check)(struct ata_port *);
void (*sff_irq_clear)(struct ata_port *);
void (*bmdma_setup)(struct ata_queued_cmd *qc);
@ -1642,8 +1643,8 @@ extern int ata_pci_sff_activate_host(struct ata_host *host,
irq_handler_t irq_handler,
struct scsi_host_template *sht);
extern int ata_pci_sff_init_one(struct pci_dev *pdev,
const struct ata_port_info * const * ppi,
struct scsi_host_template *sht, void *host_priv);
const struct ata_port_info * const * ppi,
struct scsi_host_template *sht, void *host_priv, int hflags);
#endif /* CONFIG_PCI */
/**