#include <linux/libata.h>
#define DRV_NAME "pata_amd"
-#define DRV_VERSION "0.2.4"
+#define DRV_VERSION "0.3.8"
/**
* timing_setup - shared timing computation and load
}
/**
- * amd_probe_init - cable detection
+ * amd_probe_init - perform reset handling
* @ap: ATA port
*
- * Perform cable detection. The BIOS stores this in PCI config
- * space for us.
+ * Reset sequence checking enable bits to see which ports are
+ * active.
*/
static int amd_pre_reset(struct ata_port *ap)
{
- static const u32 bitmask[2] = {0x03, 0xC0};
static const struct pci_bits amd_enable_bits[] = {
{ 0x40, 1, 0x02, 0x02 },
{ 0x40, 1, 0x01, 0x01 }
};
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- u8 ata66;
if (!pci_test_config_bits(pdev, &amd_enable_bits[ap->port_no]))
return -ENOENT;
- pci_read_config_byte(pdev, 0x42, &ata66);
- if (ata66 & bitmask[ap->port_no])
- ap->cbl = ATA_CBL_PATA80;
- else
- ap->cbl = ATA_CBL_PATA40;
return ata_std_prereset(ap);
}
ata_std_postreset);
}
-static int amd_early_pre_reset(struct ata_port *ap)
+static int amd_cable_detect(struct ata_port *ap)
{
+ static const u32 bitmask[2] = {0x03, 0x0C};
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- static struct pci_bits amd_enable_bits[] = {
- { 0x40, 1, 0x02, 0x02 },
- { 0x40, 1, 0x01, 0x01 }
- };
-
- if (!pci_test_config_bits(pdev, &amd_enable_bits[ap->port_no]))
- return -ENOENT;
-
- /* No host side cable detection */
- ap->cbl = ATA_CBL_PATA80;
- return ata_std_prereset(ap);
-
-}
+ u8 ata66;
-static void amd_early_error_handler(struct ata_port *ap)
-{
- ata_bmdma_drive_eh(ap, amd_early_pre_reset,
- ata_std_softreset, NULL,
- ata_std_postreset);
+ pci_read_config_byte(pdev, 0x42, &ata66);
+ if (ata66 & bitmask[ap->port_no])
+ return ATA_CBL_PATA80;
+ return ATA_CBL_PATA40;
}
/**
*/
static int nv_pre_reset(struct ata_port *ap) {
- static const u8 bitmask[2] = {0x03, 0xC0};
static const struct pci_bits nv_enable_bits[] = {
{ 0x50, 1, 0x02, 0x02 },
{ 0x50, 1, 0x01, 0x01 }
};
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- u8 ata66;
- u16 udma;
if (!pci_test_config_bits(pdev, &nv_enable_bits[ap->port_no]))
return -ENOENT;
- pci_read_config_byte(pdev, 0x52, &ata66);
- if (ata66 & bitmask[ap->port_no])
- ap->cbl = ATA_CBL_PATA80;
- else
- ap->cbl = ATA_CBL_PATA40;
-
- /* We now have to double check because the Nvidia boxes BIOS
- doesn't always set the cable bits but does set mode bits */
-
- pci_read_config_word(pdev, 0x62 - 2 * ap->port_no, &udma);
- if ((udma & 0xC4) == 0xC4 || (udma & 0xC400) == 0xC400)
- ap->cbl = ATA_CBL_PATA80;
return ata_std_prereset(ap);
}
ata_std_softreset, NULL,
ata_std_postreset);
}
+
+static int nv_cable_detect(struct ata_port *ap)
+{
+ static const u8 bitmask[2] = {0x03, 0x0C};
+ struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+ u8 ata66;
+ u16 udma;
+ int cbl;
+
+ pci_read_config_byte(pdev, 0x52, &ata66);
+ if (ata66 & bitmask[ap->port_no])
+ cbl = ATA_CBL_PATA80;
+ else
+ cbl = ATA_CBL_PATA40;
+
+ /* We now have to double check because the Nvidia boxes BIOS
+ doesn't always set the cable bits but does set mode bits */
+ pci_read_config_word(pdev, 0x62 - 2 * ap->port_no, &udma);
+ if ((udma & 0xC4) == 0xC4 || (udma & 0xC400) == 0xC400)
+ cbl = ATA_CBL_PATA80;
+ return cbl;
+}
+
/**
* nv100_set_piomode - set initial PIO mode data
* @ap: ATA interface
.can_queue = ATA_DEF_QUEUE,
.this_id = ATA_SHT_THIS_ID,
.sg_tablesize = LIBATA_MAX_PRD,
- .max_sectors = ATA_MAX_SECTORS,
.cmd_per_lun = ATA_SHT_CMD_PER_LUN,
.emulated = ATA_SHT_EMULATED,
.use_clustering = ATA_SHT_USE_CLUSTERING,
.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,
+#ifdef CONFIG_PM
+ .resume = ata_scsi_device_resume,
+ .suspend = ata_scsi_device_suspend,
+#endif
};
static struct ata_port_operations amd33_port_ops = {
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
- .error_handler = amd_early_error_handler,
+ .error_handler = amd_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = ata_cable_40wire,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
- .data_xfer = ata_pio_data_xfer,
+ .data_xfer = ata_data_xfer,
.irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
+ .irq_on = ata_irq_on,
+ .irq_ack = ata_irq_ack,
.port_start = ata_port_start,
- .port_stop = ata_port_stop,
- .host_stop = ata_host_stop
};
static struct ata_port_operations amd66_port_ops = {
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
- .error_handler = amd_early_error_handler,
+ .error_handler = amd_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = ata_cable_unknown,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
- .data_xfer = ata_pio_data_xfer,
+ .data_xfer = ata_data_xfer,
.irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
+ .irq_on = ata_irq_on,
+ .irq_ack = ata_irq_ack,
.port_start = ata_port_start,
- .port_stop = ata_port_stop,
- .host_stop = ata_host_stop
};
static struct ata_port_operations amd100_port_ops = {
.thaw = ata_bmdma_thaw,
.error_handler = amd_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = ata_cable_unknown,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
- .data_xfer = ata_pio_data_xfer,
+ .data_xfer = ata_data_xfer,
.irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
+ .irq_on = ata_irq_on,
+ .irq_ack = ata_irq_ack,
.port_start = ata_port_start,
- .port_stop = ata_port_stop,
- .host_stop = ata_host_stop
};
static struct ata_port_operations amd133_port_ops = {
.thaw = ata_bmdma_thaw,
.error_handler = amd_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = amd_cable_detect,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
- .data_xfer = ata_pio_data_xfer,
+ .data_xfer = ata_data_xfer,
.irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
+ .irq_on = ata_irq_on,
+ .irq_ack = ata_irq_ack,
.port_start = ata_port_start,
- .port_stop = ata_port_stop,
- .host_stop = ata_host_stop
};
static struct ata_port_operations nv100_port_ops = {
.thaw = ata_bmdma_thaw,
.error_handler = nv_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = nv_cable_detect,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
- .data_xfer = ata_pio_data_xfer,
+ .data_xfer = ata_data_xfer,
.irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
+ .irq_on = ata_irq_on,
+ .irq_ack = ata_irq_ack,
.port_start = ata_port_start,
- .port_stop = ata_port_stop,
- .host_stop = ata_host_stop
};
static struct ata_port_operations nv133_port_ops = {
.thaw = ata_bmdma_thaw,
.error_handler = nv_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = nv_cable_detect,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
- .data_xfer = ata_pio_data_xfer,
+ .data_xfer = ata_data_xfer,
.irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
+ .irq_on = ata_irq_on,
+ .irq_ack = ata_irq_ack,
.port_start = ata_port_start,
- .port_stop = ata_port_stop,
- .host_stop = ata_host_stop
};
static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
if (type == 1 && rev > 0x7)
type = 2;
+#if defined(CONFIG_ATA_ACPI)
+ /* Prefer the ACPI driver for Nvidia hardware */
+ if (pdev->vendor == PCI_VENDOR_ID_NVIDIA && ata_pata_acpi_present(pdev))
+ return -ENODEV;
+#endif
/* Check for AMD7411 */
if (type == 3)
/* FIFO is broken */
return ata_pci_init_one(pdev, port_info, 2);
}
+#ifdef CONFIG_PM
+static int amd_reinit_one(struct pci_dev *pdev)
+{
+ if (pdev->vendor == PCI_VENDOR_ID_AMD) {
+ u8 fifo;
+ pci_read_config_byte(pdev, 0x41, &fifo);
+ if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7411)
+ /* FIFO is broken */
+ pci_write_config_byte(pdev, 0x41, fifo & 0x0F);
+ else
+ pci_write_config_byte(pdev, 0x41, fifo | 0xF0);
+ if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7409 ||
+ pdev->device == PCI_DEVICE_ID_AMD_COBRA_7401)
+ ata_pci_clear_simplex(pdev);
+ }
+ return ata_pci_device_resume(pdev);
+}
+#endif
+
static const struct pci_device_id amd[] = {
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_COBRA_7401), 0 },
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_VIPER_7409), 1 },
.name = DRV_NAME,
.id_table = amd,
.probe = amd_init_one,
- .remove = ata_pci_remove_one
+ .remove = ata_pci_remove_one,
+#ifdef CONFIG_PM
+ .suspend = ata_pci_device_suspend,
+ .resume = amd_reinit_one,
+#endif
};
static int __init amd_init(void)