/*
* pata_opti.c - ATI PATA for new ATA layer
* (C) 2005 Red Hat Inc
- * Alan Cox <alan@redhat.com>
*
* Based on
* linux/drivers/ide/pci/opti621.c Version 0.7 Sept 10, 2002
#include <linux/libata.h>
#define DRV_NAME "pata_opti"
-#define DRV_VERSION "0.2.5"
+#define DRV_VERSION "0.2.9"
enum {
READ_REG = 0, /* index of Read cycle timing register */
/**
* opti_pre_reset - probe begin
- * @ap: ATA port
+ * @link: ATA link
+ * @deadline: deadline jiffies for the operation
*
* Set up cable type and use generic probe init
*/
-static int opti_pre_reset(struct ata_port *ap)
+static int opti_pre_reset(struct ata_link *link, unsigned long deadline)
{
+ struct ata_port *ap = link->ap;
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
static const struct pci_bits opti_enable_bits[] = {
{ 0x45, 1, 0x80, 0x00 },
if (!pci_test_config_bits(pdev, &opti_enable_bits[ap->port_no]))
return -ENOENT;
- ap->cbl = ATA_CBL_PATA40;
- return ata_std_prereset(ap);
-}
-
-/**
- * opti_probe_reset - probe reset
- * @ap: ATA port
- *
- * Perform the ATA probe and bus reset sequence plus specific handling
- * for this hardware. The Opti needs little handling - we have no UDMA66
- * capability that needs cable detection. All we must do is check the port
- * is enabled.
- */
-
-static void opti_error_handler(struct ata_port *ap)
-{
- ata_bmdma_drive_eh(ap, opti_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
+ return ata_sff_prereset(link, deadline);
}
/**
static void opti_write_reg(struct ata_port *ap, u8 val, int reg)
{
- unsigned long regio = ap->ioaddr.cmd_addr;
+ void __iomem *regio = ap->ioaddr.cmd_addr;
/* These 3 unlock the control register access */
- inw(regio + 1);
- inw(regio + 1);
- outb(3, regio + 2);
+ ioread16(regio + 1);
+ ioread16(regio + 1);
+ iowrite8(3, regio + 2);
/* Do the I/O */
- outb(val, regio + reg);
+ iowrite8(val, regio + reg);
/* Relock */
- outb(0x83, regio + 2);
+ iowrite8(0x83, regio + 2);
}
-#if 0
-/**
- * opti_read_reg - control register read
- * @ap: ATA port
- * @reg: control register number
- *
- * The Opti uses magic 'trapdoor' register accesses to do configuration
- * rather than using PCI space as other controllers do. The double inw
- * on the error register activates configuration mode. We can then read
- * the control register
- */
-
-static u8 opti_read_reg(struct ata_port *ap, int reg)
-{
- unsigned long regio = ap->ioaddr.cmd_addr;
- u8 ret;
- inw(regio + 1);
- inw(regio + 1);
- outb(3, regio + 2);
- ret = inb(regio + reg);
- outb(0x83, regio + 2);
-}
-#endif
-
/**
* opti_set_piomode - set initial PIO mode data
* @ap: ATA interface
struct ata_device *pair = ata_dev_pair(adev);
int clock;
int pio = adev->pio_mode - XFER_PIO_0;
- unsigned long regio = ap->ioaddr.cmd_addr;
+ void __iomem *regio = ap->ioaddr.cmd_addr;
u8 addr;
/* Address table precomputed with prefetch off and a DCLK of 2 */
{ 0x58, 0x44, 0x32, 0x22, 0x21 }
};
- outb(0xff, regio + 5);
- clock = inw(regio + 5) & 1;
+ iowrite8(0xff, regio + 5);
+ clock = ioread16(regio + 5) & 1;
/*
* As with many controllers the address setup time is shared
}
static struct scsi_host_template opti_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,
- .max_sectors = ATA_MAX_SECTORS,
- .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,
- .bios_param = ata_std_bios_param,
+ ATA_PIO_SHT(DRV_NAME),
};
static struct ata_port_operations opti_port_ops = {
- .port_disable = ata_port_disable,
+ .inherits = &ata_sff_port_ops,
+ .cable_detect = ata_cable_40wire,
.set_piomode = opti_set_piomode,
-/* .set_dmamode = opti_set_dmamode, */
- .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 = opti_error_handler,
- .post_internal_cmd = ata_bmdma_post_internal_cmd,
-
- .bmdma_setup = ata_bmdma_setup,
- .bmdma_start = ata_bmdma_start,
- .bmdma_stop = ata_bmdma_stop,
- .bmdma_status = ata_bmdma_status,
-
- .qc_prep = ata_qc_prep,
- .qc_issue = ata_qc_issue_prot,
-
- .data_xfer = ata_pio_data_xfer,
-
- .irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
-
- .port_start = ata_port_start,
- .port_stop = ata_port_stop,
- .host_stop = ata_host_stop
+ .prereset = opti_pre_reset,
};
static int opti_init_one(struct pci_dev *dev, const struct pci_device_id *id)
{
- static struct ata_port_info info = {
- .sht = &opti_sht,
- .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
- .pio_mask = 0x1f,
+ static const struct ata_port_info info = {
+ .flags = ATA_FLAG_SLAVE_POSS,
+ .pio_mask = ATA_PIO4,
.port_ops = &opti_port_ops
};
- static struct ata_port_info *port_info[2] = { &info, &info };
+ const struct ata_port_info *ppi[] = { &info, NULL };
static int printed_version;
if (!printed_version++)
dev_printk(KERN_DEBUG, &dev->dev, "version " DRV_VERSION "\n");
- return ata_pci_init_one(dev, port_info, 2);
+ return ata_pci_sff_init_one(dev, ppi, &opti_sht, NULL);
}
static const struct pci_device_id opti[] = {
.name = DRV_NAME,
.id_table = opti,
.probe = opti_init_one,
- .remove = ata_pci_remove_one
+ .remove = ata_pci_remove_one,
+#ifdef CONFIG_PM
+ .suspend = ata_pci_device_suspend,
+ .resume = ata_pci_device_resume,
+#endif
};
static int __init opti_init(void)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff