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path: root/drivers/ata/pata_pdc2027x.c
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Diffstat (limited to 'drivers/ata/pata_pdc2027x.c')
-rw-r--r--drivers/ata/pata_pdc2027x.c122
1 files changed, 48 insertions, 74 deletions
diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c
index 76dd1c9..ffa7f47 100644
--- a/drivers/ata/pata_pdc2027x.c
+++ b/drivers/ata/pata_pdc2027x.c
@@ -33,7 +33,6 @@
#include <scsi/scsi_host.h>
#include <scsi/scsi_cmnd.h>
#include <linux/libata.h>
-#include <asm/io.h>
#define DRV_NAME "pata_pdc2027x"
#define DRV_VERSION "0.74-ac5"
@@ -46,6 +45,8 @@
#endif
enum {
+ PDC_MMIO_BAR = 5,
+
PDC_UDMA_100 = 0,
PDC_UDMA_133 = 1,
@@ -62,7 +63,6 @@ enum {
};
static int pdc2027x_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
-static void pdc2027x_remove_one(struct pci_dev *pdev);
static void pdc2027x_error_handler(struct ata_port *ap);
static void pdc2027x_set_piomode(struct ata_port *ap, struct ata_device *adev);
static void pdc2027x_set_dmamode(struct ata_port *ap, struct ata_device *adev);
@@ -123,7 +123,7 @@ static struct pci_driver pdc2027x_pci_driver = {
.name = DRV_NAME,
.id_table = pdc2027x_pci_tbl,
.probe = pdc2027x_init_one,
- .remove = __devexit_p(pdc2027x_remove_one),
+ .remove = ata_pci_remove_one,
};
static struct scsi_host_template pdc2027x_sht = {
@@ -160,7 +160,7 @@ static struct ata_port_operations pdc2027x_pata100_ops = {
.bmdma_status = ata_bmdma_status,
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
- .data_xfer = ata_mmio_data_xfer,
+ .data_xfer = ata_data_xfer,
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
@@ -169,10 +169,10 @@ static struct ata_port_operations pdc2027x_pata100_ops = {
.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,
- .port_stop = ata_port_stop,
- .host_stop = ata_pci_host_stop,
};
static struct ata_port_operations pdc2027x_pata133_ops = {
@@ -194,7 +194,7 @@ static struct ata_port_operations pdc2027x_pata133_ops = {
.bmdma_status = ata_bmdma_status,
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
- .data_xfer = ata_mmio_data_xfer,
+ .data_xfer = ata_data_xfer,
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
@@ -203,10 +203,10 @@ static struct ata_port_operations pdc2027x_pata133_ops = {
.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,
- .port_stop = ata_port_stop,
- .host_stop = ata_pci_host_stop,
};
static struct ata_port_info pdc2027x_port_info[] = {
@@ -245,7 +245,7 @@ MODULE_DEVICE_TABLE(pci, pdc2027x_pci_tbl);
*/
static inline void __iomem *port_mmio(struct ata_port *ap, unsigned int offset)
{
- return ap->host->mmio_base + ap->port_no * 0x100 + offset;
+ return ap->host->iomap[PDC_MMIO_BAR] + ap->port_no * 0x100 + offset;
}
/**
@@ -526,18 +526,19 @@ static int pdc2027x_check_atapi_dma(struct ata_queued_cmd *qc)
static long pdc_read_counter(struct ata_probe_ent *probe_ent)
{
+ void __iomem *mmio_base = probe_ent->iomap[PDC_MMIO_BAR];
long counter;
int retry = 1;
u32 bccrl, bccrh, bccrlv, bccrhv;
retry:
- bccrl = readl(probe_ent->mmio_base + PDC_BYTE_COUNT) & 0xffff;
- bccrh = readl(probe_ent->mmio_base + PDC_BYTE_COUNT + 0x100) & 0xffff;
+ bccrl = readl(mmio_base + PDC_BYTE_COUNT) & 0xffff;
+ bccrh = readl(mmio_base + PDC_BYTE_COUNT + 0x100) & 0xffff;
rmb();
/* Read the counter values again for verification */
- bccrlv = readl(probe_ent->mmio_base + PDC_BYTE_COUNT) & 0xffff;
- bccrhv = readl(probe_ent->mmio_base + PDC_BYTE_COUNT + 0x100) & 0xffff;
+ bccrlv = readl(mmio_base + PDC_BYTE_COUNT) & 0xffff;
+ bccrhv = readl(mmio_base + PDC_BYTE_COUNT + 0x100) & 0xffff;
rmb();
counter = (bccrh << 15) | bccrl;
@@ -568,7 +569,7 @@ retry:
*/
static void pdc_adjust_pll(struct ata_probe_ent *probe_ent, long pll_clock, unsigned int board_idx)
{
-
+ void __iomem *mmio_base = probe_ent->iomap[PDC_MMIO_BAR];
u16 pll_ctl;
long pll_clock_khz = pll_clock / 1000;
long pout_required = board_idx? PDC_133_MHZ:PDC_100_MHZ;
@@ -587,7 +588,7 @@ static void pdc_adjust_pll(struct ata_probe_ent *probe_ent, long pll_clock, unsi
/* Show the current clock value of PLL control register
* (maybe already configured by the firmware)
*/
- pll_ctl = readw(probe_ent->mmio_base + PDC_PLL_CTL);
+ pll_ctl = readw(mmio_base + PDC_PLL_CTL);
PDPRINTK("pll_ctl[%X]\n", pll_ctl);
#endif
@@ -627,8 +628,8 @@ static void pdc_adjust_pll(struct ata_probe_ent *probe_ent, long pll_clock, unsi
PDPRINTK("Writing pll_ctl[%X]\n", pll_ctl);
- writew(pll_ctl, probe_ent->mmio_base + PDC_PLL_CTL);
- readw(probe_ent->mmio_base + PDC_PLL_CTL); /* flush */
+ writew(pll_ctl, mmio_base + PDC_PLL_CTL);
+ readw(mmio_base + PDC_PLL_CTL); /* flush */
/* Wait the PLL circuit to be stable */
mdelay(30);
@@ -638,7 +639,7 @@ static void pdc_adjust_pll(struct ata_probe_ent *probe_ent, long pll_clock, unsi
* Show the current clock value of PLL control register
* (maybe configured by the firmware)
*/
- pll_ctl = readw(probe_ent->mmio_base + PDC_PLL_CTL);
+ pll_ctl = readw(mmio_base + PDC_PLL_CTL);
PDPRINTK("pll_ctl[%X]\n", pll_ctl);
#endif
@@ -654,6 +655,7 @@ static void pdc_adjust_pll(struct ata_probe_ent *probe_ent, long pll_clock, unsi
*/
static long pdc_detect_pll_input_clock(struct ata_probe_ent *probe_ent)
{
+ void __iomem *mmio_base = probe_ent->iomap[PDC_MMIO_BAR];
u32 scr;
long start_count, end_count;
long pll_clock;
@@ -662,10 +664,10 @@ static long pdc_detect_pll_input_clock(struct ata_probe_ent *probe_ent)
start_count = pdc_read_counter(probe_ent);
/* Start the test mode */
- scr = readl(probe_ent->mmio_base + PDC_SYS_CTL);
+ scr = readl(mmio_base + PDC_SYS_CTL);
PDPRINTK("scr[%X]\n", scr);
- writel(scr | (0x01 << 14), probe_ent->mmio_base + PDC_SYS_CTL);
- readl(probe_ent->mmio_base + PDC_SYS_CTL); /* flush */
+ writel(scr | (0x01 << 14), mmio_base + PDC_SYS_CTL);
+ readl(mmio_base + PDC_SYS_CTL); /* flush */
/* Let the counter run for 100 ms. */
mdelay(100);
@@ -674,10 +676,10 @@ static long pdc_detect_pll_input_clock(struct ata_probe_ent *probe_ent)
end_count = pdc_read_counter(probe_ent);
/* Stop the test mode */
- scr = readl(probe_ent->mmio_base + PDC_SYS_CTL);
+ scr = readl(mmio_base + PDC_SYS_CTL);
PDPRINTK("scr[%X]\n", scr);
- writel(scr & ~(0x01 << 14), probe_ent->mmio_base + PDC_SYS_CTL);
- readl(probe_ent->mmio_base + PDC_SYS_CTL); /* flush */
+ writel(scr & ~(0x01 << 14), mmio_base + PDC_SYS_CTL);
+ readl(mmio_base + PDC_SYS_CTL); /* flush */
/* calculate the input clock in Hz */
pll_clock = (start_count - end_count) * 10;
@@ -722,7 +724,7 @@ static int pdc_hardware_init(struct pci_dev *pdev, struct ata_probe_ent *pe, uns
* @port: ata ioports to setup
* @base: base address
*/
-static void pdc_ata_setup_port(struct ata_ioports *port, unsigned long base)
+static void pdc_ata_setup_port(struct ata_ioports *port, void __iomem *base)
{
port->cmd_addr =
port->data_addr = base;
@@ -755,48 +757,37 @@ static int __devinit pdc2027x_init_one(struct pci_dev *pdev, const struct pci_de
static int printed_version;
unsigned int board_idx = (unsigned int) ent->driver_data;
- struct ata_probe_ent *probe_ent = NULL;
- unsigned long base;
+ struct ata_probe_ent *probe_ent;
void __iomem *mmio_base;
int rc;
if (!printed_version++)
dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
- rc = pci_enable_device(pdev);
+ rc = pcim_enable_device(pdev);
if (rc)
return rc;
- rc = pci_request_regions(pdev, DRV_NAME);
+ rc = pcim_iomap_regions(pdev, 1 << PDC_MMIO_BAR, DRV_NAME);
if (rc)
- goto err_out;
+ return rc;
rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
if (rc)
- goto err_out_regions;
+ return rc;
rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
if (rc)
- goto err_out_regions;
+ return rc;
/* Prepare the probe entry */
- probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL);
- if (probe_ent == NULL) {
- rc = -ENOMEM;
- goto err_out_regions;
- }
+ probe_ent = devm_kzalloc(&pdev->dev, sizeof(*probe_ent), GFP_KERNEL);
+ if (probe_ent == NULL)
+ return -ENOMEM;
probe_ent->dev = pci_dev_to_dev(pdev);
INIT_LIST_HEAD(&probe_ent->node);
- mmio_base = pci_iomap(pdev, 5, 0);
- if (!mmio_base) {
- rc = -ENOMEM;
- goto err_out_free_ent;
- }
-
- base = (unsigned long) mmio_base;
-
probe_ent->sht = pdc2027x_port_info[board_idx].sht;
probe_ent->port_flags = pdc2027x_port_info[board_idx].flags;
probe_ent->pio_mask = pdc2027x_port_info[board_idx].pio_mask;
@@ -806,12 +797,14 @@ static int __devinit pdc2027x_init_one(struct pci_dev *pdev, const struct pci_de
probe_ent->irq = pdev->irq;
probe_ent->irq_flags = SA_SHIRQ;
- probe_ent->mmio_base = mmio_base;
+ probe_ent->iomap = pcim_iomap_table(pdev);
- pdc_ata_setup_port(&probe_ent->port[0], base + 0x17c0);
- probe_ent->port[0].bmdma_addr = base + 0x1000;
- pdc_ata_setup_port(&probe_ent->port[1], base + 0x15c0);
- probe_ent->port[1].bmdma_addr = base + 0x1008;
+ mmio_base = probe_ent->iomap[PDC_MMIO_BAR];
+
+ pdc_ata_setup_port(&probe_ent->port[0], mmio_base + 0x17c0);
+ probe_ent->port[0].bmdma_addr = mmio_base + 0x1000;
+ pdc_ata_setup_port(&probe_ent->port[1], mmio_base + 0x15c0);
+ probe_ent->port[1].bmdma_addr = mmio_base + 0x1008;
probe_ent->n_ports = 2;
@@ -820,32 +813,13 @@ static int __devinit pdc2027x_init_one(struct pci_dev *pdev, const struct pci_de
/* initialize adapter */
if (pdc_hardware_init(pdev, probe_ent, board_idx) != 0)
- goto err_out_free_ent;
+ return -EIO;
- ata_device_add(probe_ent);
- kfree(probe_ent);
+ if (!ata_device_add(probe_ent))
+ return -ENODEV;
+ devm_kfree(&pdev->dev, probe_ent);
return 0;
-
-err_out_free_ent:
- kfree(probe_ent);
-err_out_regions:
- pci_release_regions(pdev);
-err_out:
- pci_disable_device(pdev);
- return rc;
-}
-
-/**
- * pdc2027x_remove_one - Called to remove a single instance of the
- * adapter.
- *
- * @dev: The PCI device to remove.
- * FIXME: module load/unload not working yet
- */
-static void __devexit pdc2027x_remove_one(struct pci_dev *pdev)
-{
- ata_pci_remove_one(pdev);
}
/**
generated by cgit v0.10.2 at 2024-11-21 09:17:39 (GMT)