summaryrefslogtreecommitdiffstats
path: root/drivers/ata/pata_pcmcia.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ata/pata_pcmcia.c')
-rw-r--r--drivers/ata/pata_pcmcia.c101
1 files changed, 88 insertions, 13 deletions
diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c
index fd36099428a4..3e7f6a9da28b 100644
--- a/drivers/ata/pata_pcmcia.c
+++ b/drivers/ata/pata_pcmcia.c
@@ -42,7 +42,7 @@
#define DRV_NAME "pata_pcmcia"
-#define DRV_VERSION "0.3.2"
+#define DRV_VERSION "0.3.3"
/*
* Private data structure to glue stuff together
@@ -86,6 +86,47 @@ static int pcmcia_set_mode(struct ata_link *link, struct ata_device **r_failed_d
return ata_do_set_mode(link, r_failed_dev);
}
+/**
+ * pcmcia_set_mode_8bit - PCMCIA specific mode setup
+ * @link: link
+ * @r_failed_dev: Return pointer for failed device
+ *
+ * For the simple emulated 8bit stuff the less we do the better.
+ */
+
+static int pcmcia_set_mode_8bit(struct ata_link *link,
+ struct ata_device **r_failed_dev)
+{
+ return 0;
+}
+
+/**
+ * ata_data_xfer_8bit - Transfer data by 8bit PIO
+ * @dev: device to target
+ * @buf: data buffer
+ * @buflen: buffer length
+ * @rw: read/write
+ *
+ * Transfer data from/to the device data register by 8 bit PIO.
+ *
+ * LOCKING:
+ * Inherited from caller.
+ */
+
+static unsigned int ata_data_xfer_8bit(struct ata_device *dev,
+ unsigned char *buf, unsigned int buflen, int rw)
+{
+ struct ata_port *ap = dev->link->ap;
+
+ if (rw == READ)
+ ioread8_rep(ap->ioaddr.data_addr, buf, buflen);
+ else
+ iowrite8_rep(ap->ioaddr.data_addr, buf, buflen);
+
+ return buflen;
+}
+
+
static struct scsi_host_template pcmcia_sht = {
.module = THIS_MODULE,
.name = DRV_NAME,
@@ -129,6 +170,31 @@ static struct ata_port_operations pcmcia_port_ops = {
.port_start = ata_sff_port_start,
};
+static struct ata_port_operations pcmcia_8bit_port_ops = {
+ .set_mode = pcmcia_set_mode_8bit,
+ .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 = ata_bmdma_error_handler,
+ .post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = ata_cable_40wire,
+
+ .qc_prep = ata_qc_prep,
+ .qc_issue = ata_qc_issue_prot,
+
+ .data_xfer = ata_data_xfer_8bit,
+
+ .irq_clear = ata_bmdma_irq_clear,
+ .irq_on = ata_irq_on,
+
+ .port_start = ata_sff_port_start,
+};
+
#define CS_CHECK(fn, ret) \
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
@@ -153,9 +219,12 @@ static int pcmcia_init_one(struct pcmcia_device *pdev)
cistpl_cftable_entry_t dflt;
} *stk = NULL;
cistpl_cftable_entry_t *cfg;
- int pass, last_ret = 0, last_fn = 0, is_kme = 0, ret = -ENOMEM;
+ int pass, last_ret = 0, last_fn = 0, is_kme = 0, ret = -ENOMEM, p;
unsigned long io_base, ctl_base;
void __iomem *io_addr, *ctl_addr;
+ int n_ports = 1;
+
+ struct ata_port_operations *ops = &pcmcia_port_ops;
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (info == NULL)
@@ -282,27 +351,32 @@ next_entry:
/* FIXME: Could be more ports at base + 0x10 but we only deal with
one right now */
if (pdev->io.NumPorts1 >= 0x20)
- printk(KERN_WARNING DRV_NAME ": second channel not yet supported.\n");
+ n_ports = 2;
+ if (pdev->manf_id == 0x0097 && pdev->card_id == 0x1620)
+ ops = &pcmcia_8bit_port_ops;
/*
* Having done the PCMCIA plumbing the ATA side is relatively
* sane.
*/
ret = -ENOMEM;
- host = ata_host_alloc(&pdev->dev, 1);
+ host = ata_host_alloc(&pdev->dev, n_ports);
if (!host)
goto failed;
- ap = host->ports[0];
- ap->ops = &pcmcia_port_ops;
- ap->pio_mask = 1; /* ISA so PIO 0 cycles */
- ap->flags |= ATA_FLAG_SLAVE_POSS;
- ap->ioaddr.cmd_addr = io_addr;
- ap->ioaddr.altstatus_addr = ctl_addr;
- ap->ioaddr.ctl_addr = ctl_addr;
- ata_std_ports(&ap->ioaddr);
+ for (p = 0; p < n_ports; p++) {
+ ap = host->ports[p];
- ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io_base, ctl_base);
+ ap->ops = ops;
+ ap->pio_mask = 1; /* ISA so PIO 0 cycles */
+ ap->flags |= ATA_FLAG_SLAVE_POSS;
+ ap->ioaddr.cmd_addr = io_addr + 0x10 * p;
+ ap->ioaddr.altstatus_addr = ctl_addr + 0x10 * p;
+ ap->ioaddr.ctl_addr = ctl_addr + 0x10 * p;
+ ata_std_ports(&ap->ioaddr);
+
+ ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io_base, ctl_base);
+ }
/* activate */
ret = ata_host_activate(host, pdev->irq.AssignedIRQ, ata_interrupt,
@@ -360,6 +434,7 @@ static struct pcmcia_device_id pcmcia_devices[] = {
PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
PCMCIA_DEVICE_MANF_CARD(0x0032, 0x2904),
PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), /* SanDisk CFA */
+ PCMCIA_DEVICE_MANF_CARD(0x0097, 0x1620), /* TI emulated */
PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */
PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */