summaryrefslogtreecommitdiffstats
path: root/drivers/ata/pata_scc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ata/pata_scc.c')
-rw-r--r--drivers/ata/pata_scc.c66
1 files changed, 20 insertions, 46 deletions
diff --git a/drivers/ata/pata_scc.c b/drivers/ata/pata_scc.c
index 2d048ef..5557613 100644
--- a/drivers/ata/pata_scc.c
+++ b/drivers/ata/pata_scc.c
@@ -603,16 +603,17 @@ static unsigned int scc_bus_softreset(struct ata_port *ap, unsigned int devmask,
* Note: Original code is ata_std_softreset().
*/
-static int scc_std_softreset (struct ata_port *ap, unsigned int *classes,
- unsigned long deadline)
+static int scc_std_softreset(struct ata_link *link, unsigned int *classes,
+ unsigned long deadline)
{
+ struct ata_port *ap = link->ap;
unsigned int slave_possible = ap->flags & ATA_FLAG_SLAVE_POSS;
unsigned int devmask = 0, err_mask;
u8 err;
DPRINTK("ENTER\n");
- if (ata_port_offline(ap)) {
+ if (ata_link_offline(link)) {
classes[0] = ATA_DEV_NONE;
goto out;
}
@@ -636,9 +637,11 @@ static int scc_std_softreset (struct ata_port *ap, unsigned int *classes,
}
/* determine by signature whether we have ATA or ATAPI devices */
- classes[0] = ata_dev_try_classify(ap, 0, &err);
+ classes[0] = ata_dev_try_classify(&ap->link.device[0],
+ devmask & (1 << 0), &err);
if (slave_possible && err != 0x81)
- classes[1] = ata_dev_try_classify(ap, 1, &err);
+ classes[1] = ata_dev_try_classify(&ap->link.device[1],
+ devmask & (1 << 1), &err);
out:
DPRINTK("EXIT, classes[0]=%u [1]=%u\n", classes[0], classes[1]);
@@ -701,7 +704,7 @@ static void scc_bmdma_stop (struct ata_queued_cmd *qc)
printk(KERN_WARNING "%s: Internal Bus Error\n", DRV_NAME);
out_be32(bmid_base + SCC_DMA_INTST, INTSTS_BMSINT);
/* TBD: SW reset */
- scc_std_softreset(ap, &classes, deadline);
+ scc_std_softreset(&ap->link, &classes, deadline);
continue;
}
@@ -740,7 +743,7 @@ static u8 scc_bmdma_status (struct ata_port *ap)
void __iomem *mmio = ap->ioaddr.bmdma_addr;
u8 host_stat = in_be32(mmio + SCC_DMA_STATUS);
u32 int_status = in_be32(mmio + SCC_DMA_INTST);
- struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag);
+ struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->link.active_tag);
static int retry = 0;
/* return if IOS_SS is cleared */
@@ -785,7 +788,7 @@ static u8 scc_bmdma_status (struct ata_port *ap)
static void scc_data_xfer (struct ata_device *adev, unsigned char *buf,
unsigned int buflen, int write_data)
{
- struct ata_port *ap = adev->ap;
+ struct ata_port *ap = adev->link->ap;
unsigned int words = buflen >> 1;
unsigned int i;
u16 *buf16 = (u16 *) buf;
@@ -839,38 +842,6 @@ static u8 scc_irq_on (struct ata_port *ap)
}
/**
- * scc_irq_ack - Acknowledge a device interrupt.
- * @ap: Port on which interrupts are enabled.
- *
- * Note: Original code is ata_irq_ack().
- */
-
-static u8 scc_irq_ack (struct ata_port *ap, unsigned int chk_drq)
-{
- unsigned int bits = chk_drq ? ATA_BUSY | ATA_DRQ : ATA_BUSY;
- u8 host_stat, post_stat, status;
-
- status = ata_busy_wait(ap, bits, 1000);
- if (status & bits)
- if (ata_msg_err(ap))
- printk(KERN_ERR "abnormal status 0x%X\n", status);
-
- /* get controller status; clear intr, err bits */
- host_stat = in_be32(ap->ioaddr.bmdma_addr + SCC_DMA_STATUS);
- out_be32(ap->ioaddr.bmdma_addr + SCC_DMA_STATUS,
- host_stat | ATA_DMA_INTR | ATA_DMA_ERR);
-
- post_stat = in_be32(ap->ioaddr.bmdma_addr + SCC_DMA_STATUS);
-
- if (ata_msg_intr(ap))
- printk(KERN_INFO "%s: irq ack: host_stat 0x%X, new host_stat 0x%X, drv_stat 0x%X\n",
- __FUNCTION__,
- host_stat, post_stat, status);
-
- return status;
-}
-
-/**
* scc_bmdma_freeze - Freeze BMDMA controller port
* @ap: port to freeze
*
@@ -901,10 +872,10 @@ static void scc_bmdma_freeze (struct ata_port *ap)
* @deadline: deadline jiffies for the operation
*/
-static int scc_pata_prereset(struct ata_port *ap, unsigned long deadline)
+static int scc_pata_prereset(struct ata_link *link, unsigned long deadline)
{
- ap->cbl = ATA_CBL_PATA80;
- return ata_std_prereset(ap, deadline);
+ link->ap->cbl = ATA_CBL_PATA80;
+ return ata_std_prereset(link, deadline);
}
/**
@@ -915,8 +886,10 @@ static int scc_pata_prereset(struct ata_port *ap, unsigned long deadline)
* Note: Original code is ata_std_postreset().
*/
-static void scc_std_postreset (struct ata_port *ap, unsigned int *classes)
+static void scc_std_postreset(struct ata_link *link, unsigned int *classes)
{
+ struct ata_port *ap = link->ap;
+
DPRINTK("ENTER\n");
/* is double-select really necessary? */
@@ -1020,7 +993,6 @@ static struct scsi_host_template scc_sht = {
};
static const struct ata_port_operations scc_pata_ops = {
- .port_disable = ata_port_disable,
.set_piomode = scc_set_piomode,
.set_dmamode = scc_set_dmamode,
.mode_filter = scc_mode_filter,
@@ -1047,7 +1019,6 @@ static const struct ata_port_operations scc_pata_ops = {
.irq_clear = scc_bmdma_irq_clear,
.irq_on = scc_irq_on,
- .irq_ack = scc_irq_ack,
.port_start = scc_port_start,
.port_stop = scc_port_stop,
@@ -1193,6 +1164,9 @@ static int scc_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
return rc;
host->iomap = pcim_iomap_table(pdev);
+ ata_port_pbar_desc(host->ports[0], SCC_CTRL_BAR, -1, "ctrl");
+ ata_port_pbar_desc(host->ports[0], SCC_BMID_BAR, -1, "bmid");
+
rc = scc_host_init(host);
if (rc)
return rc;
OpenPOWER on IntegriCloud