ahci: add HFLAG_YES_FBS and apply it to 88SE9128

[linux-2.6.git] / drivers / ata / ata_piix.c

diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 19136a7e10640df2d36826afa6abeabc44e51735..6cb14ca8ee853f44683062c9b5b1274afa50e336 100644 (file)
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -43,7 +43,7 @@
  * 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
@@ -90,6 +90,7 @@
 #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>
@@ -173,6 +174,9 @@ 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 int piix_sidpr_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
+                             unsigned hints);
+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);
@@ -206,6 +210,8 @@ static const struct pci_device_id piix_pci_tbl[] = {
        { 0x8086, 0x248A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
        /* Intel ICH3 (E7500/1) UDMA 100 */
        { 0x8086, 0x248B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
+       /* Intel ICH4-L */
+       { 0x8086, 0x24C1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
        /* Intel ICH4 (i845GV, i845E, i852, i855) UDMA 100 */
        { 0x8086, 0x24CA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
        { 0x8086, 0x24CB, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
@@ -291,6 +297,18 @@ 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 },
+       /* SATA Controller IDE (PBG) */
+       { 0x8086, 0x1d00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata },
+       /* SATA Controller IDE (PBG) */
+       { 0x8086, 0x1d08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
        { }     /* terminate list */
 };
 
@@ -309,8 +327,13 @@ 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,
@@ -328,8 +351,14 @@ static struct ata_port_operations ich_pata_ops = {
        .set_dmamode            = ich_set_dmamode,
 };
 
-static struct ata_port_operations piix_sata_ops = {
-       .inherits               = &ata_bmdma_port_ops,
+static struct device_attribute *piix_sidpr_shost_attrs[] = {
+       &dev_attr_link_power_management_policy,
+       NULL
+};
+
+static struct scsi_host_template piix_sidpr_sht = {
+       ATA_BMDMA_SHT(DRV_NAME),
+       .shost_attrs            = piix_sidpr_shost_attrs,
 };
 
 static struct ata_port_operations piix_sidpr_sata_ops = {
@@ -337,6 +366,7 @@ static struct ata_port_operations piix_sidpr_sata_ops = {
        .hardreset              = sata_std_hardreset,
        .scr_read               = piix_sidpr_scr_read,
        .scr_write              = piix_sidpr_scr_write,
+       .set_lpm                = piix_sidpr_set_lpm,
 };
 
 static const struct piix_map_db ich5_map_db = {
@@ -962,6 +992,20 @@ static int piix_sidpr_scr_write(struct ata_link *link,
        return 0;
 }
 
+static int piix_sidpr_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
+                             unsigned hints)
+{
+       return sata_link_scr_lpm(link, policy, false);
+}
+
+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)
 {
@@ -1513,6 +1557,7 @@ static int __devinit piix_init_one(struct pci_dev *pdev,
        struct device *dev = &pdev->dev;
        struct ata_port_info port_info[2];
        const struct ata_port_info *ppi[] = { &port_info[0], &port_info[1] };
+       struct scsi_host_template *sht = &piix_sht;
        unsigned long port_flags;
        struct ata_host *host;
        struct piix_host_priv *hpriv;
@@ -1570,7 +1615,7 @@ static int __devinit piix_init_one(struct pci_dev *pdev,
                hpriv->map = piix_init_sata_map(pdev, port_info,
                                        piix_map_db_table[ent->driver_data]);
 
-       rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
+       rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
        if (rc)
                return rc;
        host->private_data = hpriv;
@@ -1581,6 +1626,8 @@ static int __devinit piix_init_one(struct pci_dev *pdev,
                rc = piix_init_sidpr(host);
                if (rc)
                        return rc;
+               if (host->ports[0]->ops == &piix_sidpr_sata_ops)
+                       sht = &piix_sidpr_sht;
        }
 
        /* apply IOCFG bit18 quirk */
@@ -1607,7 +1654,7 @@ static int __devinit piix_init_one(struct pci_dev *pdev,
        host->flags |= ATA_HOST_PARALLEL_SCAN;
 
        pci_set_master(pdev);
-       return ata_pci_sff_activate_host(host, ata_sff_interrupt, &piix_sht);
+       return ata_pci_sff_activate_host(host, ata_bmdma_interrupt, sht);
 }
 
 static void piix_remove_one(struct pci_dev *pdev)