* pata_pdc202xx_old.c - Promise PDC202xx PATA for new ATA layer
* (C) 2005 Red Hat Inc
* Alan Cox <alan@redhat.com>
+ * (C) 2007 Bartlomiej Zolnierkiewicz
*
* Based in part on linux/drivers/ide/pci/pdc202xx_old.c
*
* First cut with LBA48/ATAPI
*
* TODO:
- * Channel interlock/reset on both required ?
+ * Channel interlock/reset on both required
*/
#include <linux/kernel.h>
#include <linux/libata.h>
#define DRV_NAME "pata_pdc202xx_old"
-#define DRV_VERSION "0.2.3"
+#define DRV_VERSION "0.4.0"
/**
* pdc2024x_pre_reset - probe begin
static void pdc202xx_configure_piomode(struct ata_port *ap, struct ata_device *adev, int pio)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- int port = 0x60 + 4 * ap->port_no + 2 * adev->devno;
+ int port = 0x60 + 8 * ap->port_no + 4 * adev->devno;
static u16 pio_timing[5] = {
0x0913, 0x050C , 0x0308, 0x0206, 0x0104
};
pci_read_config_byte(pdev, port, &r_ap);
pci_read_config_byte(pdev, port + 1, &r_bp);
r_ap &= ~0x3F; /* Preserve ERRDY_EN, SYNC_IN */
- r_bp &= ~0x07;
+ r_bp &= ~0x1F;
r_ap |= (pio_timing[pio] >> 8);
r_bp |= (pio_timing[pio] & 0xFF);
static void pdc202xx_set_dmamode(struct ata_port *ap, struct ata_device *adev)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- int port = 0x60 + 4 * ap->port_no + 2 * adev->devno;
+ int port = 0x60 + 8 * ap->port_no + 4 * adev->devno;
static u8 udma_timing[6][2] = {
{ 0x60, 0x03 }, /* 33 Mhz Clock */
{ 0x40, 0x02 },
{ 0x20, 0x01 },
{ 0x20, 0x01 }
};
+ static u8 mdma_timing[3][2] = {
+ { 0x60, 0x03 },
+ { 0x60, 0x04 },
+ { 0xe0, 0x0f },
+ };
u8 r_bp, r_cp;
pci_read_config_byte(pdev, port + 1, &r_bp);
pci_read_config_byte(pdev, port + 2, &r_cp);
- r_bp &= ~0xF0;
+ r_bp &= ~0xE0;
r_cp &= ~0x0F;
if (adev->dma_mode >= XFER_UDMA_0) {
} else {
int speed = adev->dma_mode - XFER_MW_DMA_0;
- r_bp |= 0x60;
- r_cp |= (5 - speed);
+ r_bp |= mdma_timing[speed][0];
+ r_cp |= mdma_timing[speed][1];
}
pci_write_config_byte(pdev, port + 1, r_bp);
pci_write_config_byte(pdev, port + 2, r_cp);
struct ata_taskfile *tf = &qc->tf;
int sel66 = ap->port_no ? 0x08: 0x02;
- unsigned long master = ap->host->ports[0]->ioaddr.bmdma_addr;
- unsigned long clock = master + 0x11;
- unsigned long atapi_reg = master + 0x20 + (4 * ap->port_no);
+ void __iomem *master = ap->host->ports[0]->ioaddr.bmdma_addr;
+ void __iomem *clock = master + 0x11;
+ void __iomem *atapi_reg = master + 0x20 + (4 * ap->port_no);
u32 len;
/* Check we keep host level locking here */
if (adev->dma_mode >= XFER_UDMA_2)
- outb(inb(clock) | sel66, clock);
+ iowrite8(ioread8(clock) | sel66, clock);
else
- outb(inb(clock) & ~sel66, clock);
+ iowrite8(ioread8(clock) & ~sel66, clock);
/* The DMA clocks may have been trashed by a reset. FIXME: make conditional
and move to qc_issue ? */
/* Cases the state machine will not complete correctly without help */
if ((tf->flags & ATA_TFLAG_LBA48) || tf->protocol == ATA_PROT_ATAPI_DMA)
{
- len = qc->nbytes;
+ len = qc->nbytes / 2;
if (tf->flags & ATA_TFLAG_WRITE)
len |= 0x06000000;
else
len |= 0x05000000;
- outl(len, atapi_reg);
+ iowrite32(len, atapi_reg);
}
/* Activate DMA */
int sel66 = ap->port_no ? 0x08: 0x02;
/* The clock bits are in the same register for both channels */
- unsigned long master = ap->host->ports[0]->ioaddr.bmdma_addr;
- unsigned long clock = master + 0x11;
- unsigned long atapi_reg = master + 0x20 + (4 * ap->port_no);
+ void __iomem *master = ap->host->ports[0]->ioaddr.bmdma_addr;
+ void __iomem *clock = master + 0x11;
+ void __iomem *atapi_reg = master + 0x20 + (4 * ap->port_no);
/* Cases the state machine will not complete correctly */
if (tf->protocol == ATA_PROT_ATAPI_DMA || ( tf->flags & ATA_TFLAG_LBA48)) {
- outl(0, atapi_reg);
- outb(inb(clock) & ~sel66, clock);
+ iowrite32(0, atapi_reg);
+ iowrite8(ioread8(clock) & ~sel66, clock);
}
/* Check we keep host level locking here */
/* Flip back to 33Mhz for PIO */
if (adev->dma_mode >= XFER_UDMA_2)
- outb(inb(clock) & ~sel66, clock);
+ iowrite8(ioread8(clock) & ~sel66, clock);
ata_bmdma_stop(qc);
}
.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
};
static struct ata_port_operations pdc2024x_port_ops = {
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
- .data_xfer = ata_pio_data_xfer,
+ .data_xfer = ata_data_xfer,
.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_host_stop
};
static struct ata_port_operations pdc2026x_port_ops = {
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
- .data_xfer = ata_pio_data_xfer,
+ .data_xfer = ata_data_xfer,
.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_host_stop
};
static int pdc202xx_init_one(struct pci_dev *dev, const struct pci_device_id *id)
.id_table = pdc202xx,
.probe = pdc202xx_init_one,
.remove = ata_pci_remove_one,
+#ifdef CONFIG_PM
.suspend = ata_pci_device_suspend,
.resume = ata_pci_device_resume,
+#endif
};
static int __init pdc202xx_init(void)
git.openpandora.org / pandora-kernel.git / blobdiff