/*
* pata_oldpiix.c - Intel PATA/SATA controllers
*
- * (C) 2005 Red Hat <alan@redhat.com>
+ * (C) 2005 Red Hat
*
* Some parts based on ata_piix.c by Jeff Garzik and others.
*
#include <linux/ata.h>
#define DRV_NAME "pata_oldpiix"
-#define DRV_VERSION "0.5.2"
+#define DRV_VERSION "0.5.5"
/**
* oldpiix_pre_reset - probe begin
- * @ap: ATA port
+ * @link: ATA link
+ * @deadline: deadline jiffies for the operation
*
* Set up cable type and use generic probe init
*/
-static int oldpiix_pre_reset(struct ata_port *ap)
+static int oldpiix_pre_reset(struct ata_link *link, unsigned long deadline)
{
+ struct ata_port *ap = link->ap;
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
static const struct pci_bits oldpiix_enable_bits[] = {
{ 0x41U, 1U, 0x80UL, 0x80UL }, /* port 0 */
if (!pci_test_config_bits(pdev, &oldpiix_enable_bits[ap->port_no]))
return -ENOENT;
- ap->cbl = ATA_CBL_PATA40;
- return ata_std_prereset(ap);
-}
-
-/**
- * oldpiix_pata_error_handler - Probe specified port on PATA host controller
- * @ap: Port to probe
- * @classes:
- *
- * LOCKING:
- * None (inherited from caller).
- */
-static void oldpiix_pata_error_handler(struct ata_port *ap)
-{
- ata_bmdma_drive_eh(ap, oldpiix_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
+ return ata_sff_prereset(link, deadline);
}
/**
* oldpiix_set_piomode - Initialize host controller PATA PIO timings
* @ap: Port whose timings we are configuring
- * @adev: um
+ * @adev: Device whose timings we are configuring
*
* Set PIO mode for device, in host controller PCI config space.
*
{ 2, 1 },
{ 2, 3 }, };
- if (pio > 2)
- control |= 1; /* TIME1 enable */
+ if (pio > 1)
+ control |= 1; /* TIME */
if (ata_pio_need_iordy(adev))
- control |= 2; /* IE IORDY */
+ control |= 2; /* IE */
- /* Intel specifies that the PPE functionality is for disk only */
+ /* Intel specifies that the prefetch/posting is for disk only */
if (adev->class == ATA_DEV_ATA)
- control |= 4; /* PPE enable */
+ control |= 4; /* PPE */
pci_read_config_word(dev, idetm_port, &idetm_data);
- /* Enable PPE, IE and TIME as appropriate. Clear the other
- drive timing bits */
+ /*
+ * Set PPE, IE and TIME as appropriate.
+ * Clear the other drive's timing bits.
+ */
if (adev->devno == 0) {
idetm_data &= 0xCCE0;
idetm_data |= control;
* oldpiix_set_dmamode - Initialize host controller PATA DMA timings
* @ap: Port whose timings we are configuring
* @adev: Device to program
- * @isich: True if the device is an ICH and has IOCFG registers
*
* Set MWDMA mode for device, in host controller PCI config space.
*
}
/**
- * oldpiix_qc_issue_prot - command issue
+ * oldpiix_qc_issue - command issue
* @qc: command pending
*
* Called when the libata layer is about to issue a command. We wrap
* this interface so that we can load the correct ATA timings if
- * neccessary. Our logic also clears TIME0/TIME1 for the other device so
+ * necessary. Our logic also clears TIME0/TIME1 for the other device so
* that, even if we get this wrong, cycles to the other device will
* be made PIO0.
*/
-static unsigned int oldpiix_qc_issue_prot(struct ata_queued_cmd *qc)
+static unsigned int oldpiix_qc_issue(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct ata_device *adev = qc->dev;
if (adev != ap->private_data) {
- if (adev->dma_mode)
+ oldpiix_set_piomode(ap, adev);
+ if (ata_dma_enabled(adev))
oldpiix_set_dmamode(ap, adev);
- else if (adev->pio_mode)
- oldpiix_set_piomode(ap, adev);
}
- return ata_qc_issue_prot(qc);
+ return ata_bmdma_qc_issue(qc);
}
static struct scsi_host_template oldpiix_sht = {
- .module = THIS_MODULE,
- .name = DRV_NAME,
- .ioctl = ata_scsi_ioctl,
- .queuecommand = ata_scsi_queuecmd,
- .can_queue = ATA_DEF_QUEUE,
- .this_id = ATA_SHT_THIS_ID,
- .sg_tablesize = LIBATA_MAX_PRD,
- .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,
- .resume = ata_scsi_device_resume,
- .suspend = ata_scsi_device_suspend,
+ ATA_BMDMA_SHT(DRV_NAME),
};
-static const struct ata_port_operations oldpiix_pata_ops = {
- .port_disable = ata_port_disable,
+static struct ata_port_operations oldpiix_pata_ops = {
+ .inherits = &ata_bmdma_port_ops,
+ .qc_issue = oldpiix_qc_issue,
+ .cable_detect = ata_cable_40wire,
.set_piomode = oldpiix_set_piomode,
.set_dmamode = oldpiix_set_dmamode,
- .mode_filter = ata_pci_default_filter,
-
- .tf_load = ata_tf_load,
- .tf_read = ata_tf_read,
- .check_status = ata_check_status,
- .exec_command = ata_exec_command,
- .dev_select = ata_std_dev_select,
-
- .freeze = ata_bmdma_freeze,
- .thaw = ata_bmdma_thaw,
- .error_handler = oldpiix_pata_error_handler,
- .post_internal_cmd = ata_bmdma_post_internal_cmd,
-
- .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 = oldpiix_qc_issue_prot,
- .data_xfer = ata_data_xfer,
-
- .irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
-
- .port_start = ata_port_start,
+ .prereset = oldpiix_pre_reset,
};
static int oldpiix_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
{
static int printed_version;
- static struct ata_port_info info = {
- .sht = &oldpiix_sht,
- .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
- .pio_mask = 0x1f, /* pio0-4 */
- .mwdma_mask = 0x07, /* mwdma1-2 */
+ static const struct ata_port_info info = {
+ .flags = ATA_FLAG_SLAVE_POSS,
+ .pio_mask = ATA_PIO4,
+ .mwdma_mask = ATA_MWDMA12_ONLY,
.port_ops = &oldpiix_pata_ops,
};
- static struct ata_port_info *port_info[2] = { &info, &info };
+ const struct ata_port_info *ppi[] = { &info, NULL };
if (!printed_version++)
dev_printk(KERN_DEBUG, &pdev->dev,
"version " DRV_VERSION "\n");
- return ata_pci_init_one(pdev, port_info, 2);
+ return ata_pci_sff_init_one(pdev, ppi, &oldpiix_sht, NULL, 0);
}
static const struct pci_device_id oldpiix_pci_tbl[] = {
.id_table = oldpiix_pci_tbl,
.probe = oldpiix_init_one,
.remove = ata_pci_remove_one,
+#ifdef CONFIG_PM
.suspend = ata_pci_device_suspend,
.resume = ata_pci_device_resume,
+#endif
};
static int __init oldpiix_init(void)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff