/*
* pata_cmd640.c - CMD640 PCI PATA for new ATA layer
* (C) 2007 Red Hat Inc
- * Alan Cox <alan@redhat.com>
*
* Based upon
* linux/drivers/ide/pci/cmd640.c Version 1.02 Sep 01, 1996
#include <linux/init.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
+#include <linux/gfp.h>
#include <scsi/scsi_host.h>
#include <linux/libata.h>
pci_write_config_byte(pdev, arttim + 1, (t.active << 4) | t.recover);
} else {
/* Save the shared timings for channel, they will be loaded
- by qc_issue_prot. Reloading the setup time is expensive
- so we keep a merged one loaded */
+ by qc_issue. Reloading the setup time is expensive so we
+ keep a merged one loaded */
pci_read_config_byte(pdev, ARTIM23, ®);
reg &= 0x3F;
reg |= t.setup;
/**
- * cmd640_qc_issue_prot - command preparation hook
+ * cmd640_qc_issue - command preparation hook
* @qc: Command to be issued
*
* Channel 1 has shared timings. We must reprogram the
* clock each drive 2/3 switch we do.
*/
-static unsigned int cmd640_qc_issue_prot(struct ata_queued_cmd *qc)
+static unsigned int cmd640_qc_issue(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct ata_device *adev = qc->dev;
pci_write_config_byte(pdev, DRWTIM23, timing->reg58[adev->devno]);
timing->last = adev->devno;
}
- return ata_qc_issue_prot(qc);
+ return ata_sff_qc_issue(qc);
}
/**
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
struct cmd640_reg *timing;
- int ret = ata_sff_port_start(ap);
- if (ret < 0)
- return ret;
-
timing = devm_kzalloc(&pdev->dev, sizeof(struct cmd640_reg), GFP_KERNEL);
if (timing == NULL)
return -ENOMEM;
timing->last = -1; /* Force a load */
ap->private_data = timing;
- return ret;
+ return 0;
}
static struct scsi_host_template cmd640_sht = {
- ATA_BMDMA_SHT(DRV_NAME),
+ ATA_PIO_SHT(DRV_NAME),
};
static struct ata_port_operations cmd640_port_ops = {
- .inherits = &ata_bmdma_port_ops,
+ .inherits = &ata_sff_port_ops,
/* In theory xfer_noirq is not needed once we kill the prefetcher */
- .data_xfer = ata_data_xfer_noirq,
- .qc_issue = cmd640_qc_issue_prot,
+ .sff_data_xfer = ata_sff_data_xfer_noirq,
+ .qc_issue = cmd640_qc_issue,
.cable_detect = ata_cable_40wire,
.set_piomode = cmd640_set_piomode,
.port_start = cmd640_port_start,
static void cmd640_hardware_init(struct pci_dev *pdev)
{
- u8 r;
u8 ctrl;
/* CMD640 detected, commiserations */
pci_write_config_byte(pdev, 0x5B, 0x00);
- /* Get version info */
- pci_read_config_byte(pdev, CFR, &r);
/* PIO0 command cycles */
pci_write_config_byte(pdev, CMDTIM, 0);
/* 512 byte bursts (sector) */
{
static const struct ata_port_info info = {
.flags = ATA_FLAG_SLAVE_POSS,
- .pio_mask = 0x1f,
+ .pio_mask = ATA_PIO4,
.port_ops = &cmd640_port_ops
};
const struct ata_port_info *ppi[] = { &info, NULL };
cmd640_hardware_init(pdev);
- return ata_pci_init_one(pdev, ppi, &cmd640_sht);
+ return ata_pci_sff_init_one(pdev, ppi, &cmd640_sht, NULL, 0);
}
#ifdef CONFIG_PM