aboutsummaryrefslogtreecommitdiff
path: root/drivers/ata/pata_cs5530.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ata/pata_cs5530.c')
-rw-r--r--drivers/ata/pata_cs5530.c141
1 files changed, 49 insertions, 92 deletions
diff --git a/drivers/ata/pata_cs5530.c b/drivers/ata/pata_cs5530.c
index 29642d5ee18..48ae4b43447 100644
--- a/drivers/ata/pata_cs5530.c
+++ b/drivers/ata/pata_cs5530.c
@@ -1,7 +1,6 @@
/*
* pata-cs5530.c - CS5530 PATA for new ATA layer
* (C) 2005 Red Hat Inc
- * Alan Cox <alan@redhat.com>
*
* based upon cs5530.c by Mark Lord.
*
@@ -27,7 +26,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
-#include <linux/init.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <scsi/scsi_host.h>
@@ -35,7 +33,7 @@
#include <linux/dmi.h>
#define DRV_NAME "pata_cs5530"
-#define DRV_VERSION "0.7.2"
+#define DRV_VERSION "0.7.4"
static void __iomem *cs5530_port_base(struct ata_port *ap)
{
@@ -133,92 +131,50 @@ static void cs5530_set_dmamode(struct ata_port *ap, struct ata_device *adev)
}
/**
- * cs5530_qc_issue_prot - command issue
+ * cs5530_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. Specifically we have a problem that there is only
+ * necessary. Specifically we have a problem that there is only
* one MWDMA/UDMA bit.
*/
-static unsigned int cs5530_qc_issue_prot(struct ata_queued_cmd *qc)
+static unsigned int cs5530_qc_issue(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct ata_device *adev = qc->dev;
struct ata_device *prev = ap->private_data;
/* See if the DMA settings could be wrong */
- if (adev->dma_mode != 0 && adev != prev && prev != NULL) {
+ if (ata_dma_enabled(adev) && adev != prev && prev != NULL) {
/* Maybe, but do the channels match MWDMA/UDMA ? */
- if ((adev->dma_mode >= XFER_UDMA_0 && prev->dma_mode < XFER_UDMA_0) ||
- (adev->dma_mode < XFER_UDMA_0 && prev->dma_mode >= XFER_UDMA_0))
+ if ((ata_using_udma(adev) && !ata_using_udma(prev)) ||
+ (ata_using_udma(prev) && !ata_using_udma(adev)))
/* Switch the mode bits */
cs5530_set_dmamode(ap, adev);
}
- return ata_qc_issue_prot(qc);
+ return ata_bmdma_qc_issue(qc);
}
static struct scsi_host_template cs5530_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,
-#ifdef CONFIG_PM
- .resume = ata_scsi_device_resume,
- .suspend = ata_scsi_device_suspend,
-#endif
+ ATA_BMDMA_SHT(DRV_NAME),
+ .sg_tablesize = LIBATA_DUMB_MAX_PRD,
};
static struct ata_port_operations cs5530_port_ops = {
- .port_disable = ata_port_disable,
- .set_piomode = cs5530_set_piomode,
- .set_dmamode = cs5530_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,
-
- .bmdma_setup = ata_bmdma_setup,
- .bmdma_start = ata_bmdma_start,
- .bmdma_stop = ata_bmdma_stop,
- .bmdma_status = ata_bmdma_status,
-
- .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 = cs5530_qc_issue_prot,
+ .inherits = &ata_bmdma_port_ops,
- .data_xfer = ata_data_xfer,
+ .qc_prep = ata_bmdma_dumb_qc_prep,
+ .qc_issue = cs5530_qc_issue,
- .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,
+ .cable_detect = ata_cable_40wire,
+ .set_piomode = cs5530_set_piomode,
+ .set_dmamode = cs5530_set_dmamode,
};
-static struct dmi_system_id palmax_dmi_table[] = {
+static const struct dmi_system_id palmax_dmi_table[] = {
{
.ident = "Palmax PD1100",
.matches = {
@@ -270,7 +226,7 @@ static int cs5530_init_chip(void)
}
pci_set_master(cs5530_0);
- pci_set_mwi(cs5530_0);
+ pci_try_set_mwi(cs5530_0);
/*
* Set PCI CacheLineSize to 16-bytes:
@@ -339,43 +295,55 @@ fail_put:
static int cs5530_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
- static struct ata_port_info info = {
- .sht = &cs5530_sht,
- .flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST,
- .pio_mask = 0x1f,
- .mwdma_mask = 0x07,
- .udma_mask = 0x07,
+ static const struct ata_port_info info = {
+ .flags = ATA_FLAG_SLAVE_POSS,
+ .pio_mask = ATA_PIO4,
+ .mwdma_mask = ATA_MWDMA2,
+ .udma_mask = ATA_UDMA2,
.port_ops = &cs5530_port_ops
};
/* The docking connector doesn't do UDMA, and it seems not MWDMA */
- static struct ata_port_info info_palmax_secondary = {
- .sht = &cs5530_sht,
- .flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST,
- .pio_mask = 0x1f,
+ static const struct ata_port_info info_palmax_secondary = {
+ .flags = ATA_FLAG_SLAVE_POSS,
+ .pio_mask = ATA_PIO4,
.port_ops = &cs5530_port_ops
};
- static struct ata_port_info *port_info[2] = { &info, &info };
+ const struct ata_port_info *ppi[] = { &info, NULL };
+ int rc;
+
+ rc = pcim_enable_device(pdev);
+ if (rc)
+ return rc;
/* Chip initialisation */
if (cs5530_init_chip())
return -ENODEV;
if (cs5530_is_palmax())
- port_info[1] = &info_palmax_secondary;
+ ppi[1] = &info_palmax_secondary;
/* Now kick off ATA set up */
- return ata_pci_init_one(pdev, port_info, 2);
+ return ata_pci_bmdma_init_one(pdev, ppi, &cs5530_sht, NULL, 0);
}
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
static int cs5530_reinit_one(struct pci_dev *pdev)
{
+ struct ata_host *host = pci_get_drvdata(pdev);
+ int rc;
+
+ rc = ata_pci_device_do_resume(pdev);
+ if (rc)
+ return rc;
+
/* If we fail on resume we are doomed */
if (cs5530_init_chip())
- BUG();
- return ata_pci_device_resume(pdev);
+ return -EIO;
+
+ ata_host_resume(host);
+ return 0;
}
-#endif /* CONFIG_PM */
+#endif /* CONFIG_PM_SLEEP */
static const struct pci_device_id cs5530[] = {
{ PCI_VDEVICE(CYRIX, PCI_DEVICE_ID_CYRIX_5530_IDE), },
@@ -388,27 +356,16 @@ static struct pci_driver cs5530_pci_driver = {
.id_table = cs5530,
.probe = cs5530_init_one,
.remove = ata_pci_remove_one,
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
.suspend = ata_pci_device_suspend,
.resume = cs5530_reinit_one,
#endif
};
-static int __init cs5530_init(void)
-{
- return pci_register_driver(&cs5530_pci_driver);
-}
-
-static void __exit cs5530_exit(void)
-{
- pci_unregister_driver(&cs5530_pci_driver);
-}
+module_pci_driver(cs5530_pci_driver);
MODULE_AUTHOR("Alan Cox");
MODULE_DESCRIPTION("low-level driver for the Cyrix/NS/AMD 5530");
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(pci, cs5530);
MODULE_VERSION(DRV_VERSION);
-
-module_init(cs5530_init);
-module_exit(cs5530_exit);