* driver the list of errata that are relevant is below, going back to
* PIIX4. Older device documentation is now a bit tricky to find.
*
- * The chipsets all follow very much the same design. The orginal Triton
+ * The chipsets all follow very much the same design. The original Triton
* series chipsets do _not_ support independant device timings, but this
* is fixed in Triton II. With the odd mobile exception the chips then
* change little except in gaining more modes until SATA arrives. This
* ICH2 spec c #20 - IDE PRD must not cross a 64K boundary
* and must be dword aligned
* ICH2 spec c #24 - UDMA mode 4,5 t85/86 should be 6ns not 3.3
+ * ICH7 errata #16 - MWDMA1 timings are incorrect
*
* Should have been BIOS fixed:
* 450NX: errata #19 - DMA hangs on old 450NX
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/device.h>
+#include <linux/gfp.h>
#include <scsi/scsi_host.h>
#include <linux/libata.h>
#include <linux/dmi.h>
#define DRV_NAME "ata_piix"
-#define DRV_VERSION "2.12"
+#define DRV_VERSION "2.13"
enum {
PIIX_IOCFG = 0x54, /* IDE I/O configuration register */
ich_pata_33, /* ICH up to UDMA 33 only */
ich_pata_66, /* ICH up to 66 Mhz */
ich_pata_100, /* ICH up to UDMA 100 */
+ ich_pata_100_nomwdma1, /* ICH up to UDMA 100 but with no MWDMA1*/
ich5_sata,
ich6_sata,
ich6m_sata,
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);
/* ICH6 (and 6) (i915) UDMA 100 */
{ 0x8086, 0x266F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
/* ICH7/7-R (i945, i975) UDMA 100*/
- { 0x8086, 0x27DF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
- { 0x8086, 0x269E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
+ { 0x8086, 0x27DF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100_nomwdma1 },
+ { 0x8086, 0x269E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100_nomwdma1 },
/* ICH8 Mobile PATA Controller */
{ 0x8086, 0x2850, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
- /* NOTE: The following PCI ids must be kept in sync with the
- * list in drivers/pci/quirks.c.
- */
-
+ /* SATA ports */
+
/* 82801EB (ICH5) */
{ 0x8086, 0x24d1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_sata },
/* 82801EB (ICH5) */
{ 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 */
};
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,
.set_dmamode = ich_set_dmamode,
};
-static struct ata_port_operations piix_sata_ops = {
- .inherits = &ata_bmdma_port_ops,
-};
-
static struct ata_port_operations piix_sidpr_sata_ops = {
.inherits = &piix_sata_ops,
.hardreset = sata_std_hardreset,
.port_ops = &ich_pata_ops,
},
+ [ich_pata_100_nomwdma1] =
+ {
+ .flags = PIIX_PATA_FLAGS | PIIX_FLAG_CHECKINTR,
+ .pio_mask = ATA_PIO4,
+ .mwdma_mask = ATA_MWDMA2_ONLY,
+ .udma_mask = ATA_UDMA5,
+ .port_ops = &ich_pata_ops,
+ },
+
[ich5_sata] =
{
.flags = PIIX_SATA_FLAGS,
{ 0x27DF, 0x0005, 0x0280 }, /* ICH7 on Acer 5602WLMi */
{ 0x27DF, 0x1025, 0x0102 }, /* ICH7 on Acer 5602aWLMi */
{ 0x27DF, 0x1025, 0x0110 }, /* ICH7 on Acer 3682WLMi */
+ { 0x27DF, 0x1028, 0x02b0 }, /* ICH7 on unknown Dell */
{ 0x27DF, 0x1043, 0x1267 }, /* ICH7 on Asus W5F */
{ 0x27DF, 0x103C, 0x30A1 }, /* ICH7 on HP Compaq nc2400 */
+ { 0x27DF, 0x103C, 0x361a }, /* ICH7 on unknown HP */
{ 0x27DF, 0x1071, 0xD221 }, /* ICH7 on Hercules EC-900 */
+ { 0x27DF, 0x152D, 0x0778 }, /* ICH7 on unknown Intel */
{ 0x24CA, 0x1025, 0x0061 }, /* ICH4 on ACER Aspire 2023WLMi */
{ 0x24CA, 0x1025, 0x003d }, /* ICH4 on ACER TM290 */
{ 0x266F, 0x1025, 0x0066 }, /* ICH6 on ACER Aspire 1694WLMi */
{ 0x2653, 0x1043, 0x82D8 }, /* ICH6M on Asus Eee 701 */
+ { 0x27df, 0x104d, 0x900e }, /* ICH7 on Sony TZ-90 */
/* end marker */
{ 0, }
};
return ata_sff_prereset(link, deadline);
}
+static DEFINE_SPINLOCK(piix_lock);
+
/**
* piix_set_piomode - Initialize host controller PATA PIO timings
* @ap: Port whose timings we are configuring
static void piix_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 long flags;
+ unsigned int pio = adev->pio_mode - XFER_PIO_0;
unsigned int is_slave = (adev->devno != 0);
unsigned int master_port= ap->port_no ? 0x42 : 0x40;
unsigned int slave_port = 0x44;
if (adev->class == ATA_DEV_ATA)
control |= 4; /* PPE enable */
+ spin_lock_irqsave(&piix_lock, flags);
+
/* PIO configuration clears DTE unconditionally. It will be
* programmed in set_dmamode which is guaranteed to be called
* after set_piomode if any DMA mode is available.
udma_enable &= ~(1 << (2 * ap->port_no + adev->devno));
pci_write_config_byte(dev, 0x48, udma_enable);
}
+
+ spin_unlock_irqrestore(&piix_lock, flags);
}
/**
static void do_pata_set_dmamode(struct ata_port *ap, struct ata_device *adev, int isich)
{
struct pci_dev *dev = to_pci_dev(ap->host->dev);
+ unsigned long flags;
u8 master_port = ap->port_no ? 0x42 : 0x40;
u16 master_data;
u8 speed = adev->dma_mode;
{ 2, 1 },
{ 2, 3 }, };
+ spin_lock_irqsave(&piix_lock, flags);
+
pci_read_config_word(dev, master_port, &master_data);
if (ap->udma_mask)
pci_read_config_byte(dev, 0x48, &udma_enable);
(timings[pio][1] << 8);
}
- if (ap->udma_mask) {
+ if (ap->udma_mask)
udma_enable &= ~(1 << devid);
- pci_write_config_word(dev, master_port, master_data);
- }
+
+ pci_write_config_word(dev, master_port, master_data);
}
/* Don't scribble on 0x48 if the controller does not support UDMA */
if (ap->udma_mask)
pci_write_config_byte(dev, 0x48, udma_enable);
+
+ spin_unlock_irqrestore(&piix_lock, flags);
}
/**
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)
{
/* PCI slot number of the controller */
.driver_data = (void *)0x1FUL,
},
+ {
+ .ident = "HP Compaq nc6000",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nc6000"),
+ },
+ /* PCI slot number of the controller */
+ .driver_data = (void *)0x1FUL,
+ },
{ } /* terminate list */
};
dev_printk(KERN_DEBUG, &pdev->dev,
"version " DRV_VERSION "\n");
- /* no hotplugging support (FIXME) */
- if (!in_module_init)
+ /* no hotplugging support for later devices (FIXME) */
+ if (!in_module_init && ent->driver_data >= ich5_sata)
return -ENODEV;
if (piix_broken_system_poweroff(pdev)) {
host->ports[1]->mwdma_mask = 0;
host->ports[1]->udma_mask = 0;
}
+ host->flags |= ATA_HOST_PARALLEL_SCAN;
pci_set_master(pdev);
return ata_pci_sff_activate_host(host, ata_sff_interrupt, &piix_sht);