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path: root/drivers/scsi/ata_piix.c
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Diffstat (limited to 'drivers/scsi/ata_piix.c')
-rw-r--r--drivers/scsi/ata_piix.c112
1 files changed, 50 insertions, 62 deletions
diff --git a/drivers/scsi/ata_piix.c b/drivers/scsi/ata_piix.c
index 6dc88149f9f..94b1261a259 100644
--- a/drivers/scsi/ata_piix.c
+++ b/drivers/scsi/ata_piix.c
@@ -93,7 +93,7 @@
#include <linux/libata.h>
#define DRV_NAME "ata_piix"
-#define DRV_VERSION "1.05"
+#define DRV_VERSION "2.00"
enum {
PIIX_IOCFG = 0x54, /* IDE I/O configuration register */
@@ -146,11 +146,10 @@ struct piix_map_db {
static int piix_init_one (struct pci_dev *pdev,
const struct pci_device_id *ent);
-
-static int piix_pata_probe_reset(struct ata_port *ap, unsigned int *classes);
-static int piix_sata_probe_reset(struct ata_port *ap, unsigned int *classes);
static void piix_set_piomode (struct ata_port *ap, struct ata_device *adev);
static void piix_set_dmamode (struct ata_port *ap, struct ata_device *adev);
+static void piix_pata_error_handler(struct ata_port *ap);
+static void piix_sata_error_handler(struct ata_port *ap);
static unsigned int in_module_init = 1;
@@ -159,6 +158,7 @@ static const struct pci_device_id piix_pci_tbl[] = {
{ 0x8086, 0x7111, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix4_pata },
{ 0x8086, 0x24db, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_pata },
{ 0x8086, 0x25a2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_pata },
+ { 0x8086, 0x27df, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_pata },
#endif
/* NOTE: The following PCI ids must be kept in sync with the
@@ -218,6 +218,7 @@ static struct scsi_host_template piix_sht = {
.proc_name = DRV_NAME,
.dma_boundary = ATA_DMA_BOUNDARY,
.slave_configure = ata_scsi_slave_config,
+ .slave_destroy = ata_scsi_slave_destroy,
.bios_param = ata_std_bios_param,
.resume = ata_scsi_device_resume,
.suspend = ata_scsi_device_suspend,
@@ -227,6 +228,7 @@ static const struct ata_port_operations piix_pata_ops = {
.port_disable = ata_port_disable,
.set_piomode = piix_set_piomode,
.set_dmamode = piix_set_dmamode,
+ .mode_filter = ata_pci_default_filter,
.tf_load = ata_tf_load,
.tf_read = ata_tf_read,
@@ -234,16 +236,18 @@ static const struct ata_port_operations piix_pata_ops = {
.exec_command = ata_exec_command,
.dev_select = ata_std_dev_select,
- .probe_reset = piix_pata_probe_reset,
-
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
.bmdma_stop = ata_bmdma_stop,
.bmdma_status = ata_bmdma_status,
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
+ .data_xfer = ata_pio_data_xfer,
- .eng_timeout = ata_eng_timeout,
+ .freeze = ata_bmdma_freeze,
+ .thaw = ata_bmdma_thaw,
+ .error_handler = piix_pata_error_handler,
+ .post_internal_cmd = ata_bmdma_post_internal_cmd,
.irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
@@ -262,16 +266,18 @@ static const struct ata_port_operations piix_sata_ops = {
.exec_command = ata_exec_command,
.dev_select = ata_std_dev_select,
- .probe_reset = piix_sata_probe_reset,
-
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
.bmdma_stop = ata_bmdma_stop,
.bmdma_status = ata_bmdma_status,
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
+ .data_xfer = ata_pio_data_xfer,
- .eng_timeout = ata_eng_timeout,
+ .freeze = ata_bmdma_freeze,
+ .thaw = ata_bmdma_thaw,
+ .error_handler = piix_sata_error_handler,
+ .post_internal_cmd = ata_bmdma_post_internal_cmd,
.irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
@@ -455,59 +461,51 @@ cbl40:
}
/**
- * piix_pata_probeinit - probeinit for PATA host controller
+ * piix_pata_prereset - prereset for PATA host controller
* @ap: Target port
*
- * Probeinit including cable detection.
- *
- * LOCKING:
- * None (inherited from caller).
- */
-static void piix_pata_probeinit(struct ata_port *ap)
-{
- piix_pata_cbl_detect(ap);
- ata_std_probeinit(ap);
-}
-
-/**
- * piix_pata_probe_reset - Perform reset on PATA port and classify
- * @ap: Port to reset
- * @classes: Resulting classes of attached devices
- *
- * Reset PATA phy and classify attached devices.
+ * Prereset including cable detection.
*
* LOCKING:
* None (inherited from caller).
*/
-static int piix_pata_probe_reset(struct ata_port *ap, unsigned int *classes)
+static int piix_pata_prereset(struct ata_port *ap)
{
struct pci_dev *pdev = to_pci_dev(ap->host_set->dev);
if (!pci_test_config_bits(pdev, &piix_enable_bits[ap->hard_port_no])) {
- printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id);
+ ata_port_printk(ap, KERN_INFO, "port disabled. ignoring.\n");
+ ap->eh_context.i.action &= ~ATA_EH_RESET_MASK;
return 0;
}
- return ata_drive_probe_reset(ap, piix_pata_probeinit,
- ata_std_softreset, NULL,
- ata_std_postreset, classes);
+ piix_pata_cbl_detect(ap);
+
+ return ata_std_prereset(ap);
+}
+
+static void piix_pata_error_handler(struct ata_port *ap)
+{
+ ata_bmdma_drive_eh(ap, piix_pata_prereset, ata_std_softreset, NULL,
+ ata_std_postreset);
}
/**
- * piix_sata_probe - Probe PCI device for present SATA devices
- * @ap: Port associated with the PCI device we wish to probe
+ * piix_sata_prereset - prereset for SATA host controller
+ * @ap: Target port
*
* Reads and configures SATA PCI device's PCI config register
* Port Configuration and Status (PCS) to determine port and
- * device availability.
+ * device availability. Return -ENODEV to skip reset if no
+ * device is present.
*
* LOCKING:
* None (inherited from caller).
*
* RETURNS:
- * Mask of avaliable devices on the port.
+ * 0 if device is present, -ENODEV otherwise.
*/
-static unsigned int piix_sata_probe (struct ata_port *ap)
+static int piix_sata_prereset(struct ata_port *ap)
{
struct pci_dev *pdev = to_pci_dev(ap->host_set->dev);
const unsigned int *map = ap->host_set->private_data;
@@ -549,29 +547,19 @@ static unsigned int piix_sata_probe (struct ata_port *ap)
DPRINTK("ata%u: LEAVE, pcs=0x%x present_mask=0x%x\n",
ap->id, pcs, present_mask);
- return present_mask;
-}
-
-/**
- * piix_sata_probe_reset - Perform reset on SATA port and classify
- * @ap: Port to reset
- * @classes: Resulting classes of attached devices
- *
- * Reset SATA phy and classify attached devices.
- *
- * LOCKING:
- * None (inherited from caller).
- */
-static int piix_sata_probe_reset(struct ata_port *ap, unsigned int *classes)
-{
- if (!piix_sata_probe(ap)) {
- printk(KERN_INFO "ata%u: SATA port has no device.\n", ap->id);
+ if (!present_mask) {
+ ata_port_printk(ap, KERN_INFO, "SATA port has no device.\n");
+ ap->eh_context.i.action &= ~ATA_EH_RESET_MASK;
return 0;
}
- return ata_drive_probe_reset(ap, ata_std_probeinit,
- ata_std_softreset, NULL,
- ata_std_postreset, classes);
+ return ata_std_prereset(ap);
+}
+
+static void piix_sata_error_handler(struct ata_port *ap)
+{
+ ata_bmdma_drive_eh(ap, piix_sata_prereset, ata_std_softreset, NULL,
+ ata_std_postreset);
}
/**
@@ -760,15 +748,15 @@ static int __devinit piix_check_450nx_errata(struct pci_dev *ata_dev)
pci_read_config_byte(pdev, PCI_REVISION_ID, &rev);
pci_read_config_word(pdev, 0x41, &cfg);
/* Only on the original revision: IDE DMA can hang */
- if(rev == 0x00)
+ if (rev == 0x00)
no_piix_dma = 1;
/* On all revisions below 5 PXB bus lock must be disabled for IDE */
- else if(cfg & (1<<14) && rev < 5)
+ else if (cfg & (1<<14) && rev < 5)
no_piix_dma = 2;
}
- if(no_piix_dma)
+ if (no_piix_dma)
dev_printk(KERN_WARNING, &ata_dev->dev, "450NX errata present, disabling IDE DMA.\n");
- if(no_piix_dma == 2)
+ if (no_piix_dma == 2)
dev_printk(KERN_WARNING, &ata_dev->dev, "A BIOS update may resolve this.\n");
return no_piix_dma;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 16:44:56 +0000