/*
* pata_cypress.c - Cypress PATA for new ATA layer
* (C) 2006 Red Hat Inc
- * Alan Cox <alan@redhat.com>
+ * Alan Cox
*
* Based heavily on
* linux/drivers/ide/pci/cy82c693.c Version 0.40 Sep. 10, 2002
*
*/
-
+
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/libata.h>
#define DRV_NAME "pata_cypress"
-#define DRV_VERSION "0.1.2"
+#define DRV_VERSION "0.1.5"
/* here are the offset definitions for the registers */
CY82_INDEX_TIMEOUT = 0x32
};
-static int cy82c693_pre_reset(struct ata_port *ap)
-{
- ap->cbl = ATA_CBL_PATA40;
- return ata_std_prereset(ap);
-}
-
-static void cy82c693_error_handler(struct ata_port *ap)
-{
- ata_bmdma_drive_eh(ap, cy82c693_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
-}
-
/**
* cy82c693_set_piomode - set initial PIO mode data
* @ap: ATA interface
*
* Called to do the PIO mode setup.
*/
-
+
static void cy82c693_set_piomode(struct ata_port *ap, struct ata_device *adev)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
const unsigned long T = 1000000 / 33;
short time_16, time_8;
u32 addr;
-
+
if (ata_timing_compute(adev, adev->pio_mode, &t, T, 1) < 0) {
printk(KERN_ERR DRV_NAME ": mome computation failed.\n");
return;
}
- time_16 = FIT(t.recover, 0, 15) | (FIT(t.active, 0, 15) << 4);
- time_8 = FIT(t.act8b, 0, 15) | (FIT(t.rec8b, 0, 15) << 4);
-
+ time_16 = clamp_val(t.recover, 0, 15) | (clamp_val(t.active, 0, 15) << 4);
+ time_8 = clamp_val(t.act8b, 0, 15) | (clamp_val(t.rec8b, 0, 15) << 4);
+
if (adev->devno == 0) {
pci_read_config_dword(pdev, CY82_IDE_ADDRSETUP, &addr);
-
+
addr &= ~0x0F; /* Mask bits */
- addr |= FIT(t.setup, 0, 15);
-
+ addr |= clamp_val(t.setup, 0, 15);
+
pci_write_config_dword(pdev, CY82_IDE_ADDRSETUP, addr);
pci_write_config_byte(pdev, CY82_IDE_MASTER_IOR, time_16);
pci_write_config_byte(pdev, CY82_IDE_MASTER_IOW, time_16);
pci_write_config_byte(pdev, CY82_IDE_MASTER_8BIT, time_8);
} else {
pci_read_config_dword(pdev, CY82_IDE_ADDRSETUP, &addr);
-
+
addr &= ~0xF0; /* Mask bits */
- addr |= (FIT(t.setup, 0, 15) << 4);
+ addr |= (clamp_val(t.setup, 0, 15) << 4);
pci_write_config_dword(pdev, CY82_IDE_ADDRSETUP, addr);
pci_write_config_byte(pdev, CY82_IDE_SLAVE_IOR, time_16);
*
* Called to do the DMA mode setup.
*/
-
+
static void cy82c693_set_dmamode(struct ata_port *ap, struct ata_device *adev)
{
int reg = CY82_INDEX_CHANNEL0 + ap->port_no;
-
+
/* Be afraid, be very afraid. Magic registers in low I/O space */
outb(reg, 0x22);
outb(adev->dma_mode - XFER_MW_DMA_0, 0x23);
-
+
/* 0x50 gives the best behaviour on the Alpha's using this chip */
outb(CY82_INDEX_TIMEOUT, 0x22);
outb(0x50, 0x23);
}
static struct scsi_host_template cy82c693_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_BMDMA_SHT(DRV_NAME),
};
static struct ata_port_operations cy82c693_port_ops = {
- .port_disable = ata_port_disable,
+ .inherits = &ata_bmdma_port_ops,
+ .cable_detect = ata_cable_40wire,
.set_piomode = cy82c693_set_piomode,
.set_dmamode = cy82c693_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,
-
- .freeze = ata_bmdma_freeze,
- .thaw = ata_bmdma_thaw,
- .error_handler = cy82c693_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,
- .eng_timeout = ata_eng_timeout,
- .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
-};
+};
static int cy82c693_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
- static struct ata_port_info info = {
- .sht = &cy82c693_sht,
- .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
- .pio_mask = 0x1f,
- .mwdma_mask = 0x07,
+ static const struct ata_port_info info = {
+ .flags = ATA_FLAG_SLAVE_POSS,
+ .pio_mask = ATA_PIO4,
+ .mwdma_mask = ATA_MWDMA2,
.port_ops = &cy82c693_port_ops
};
- static struct ata_port_info *port_info[1] = { &info };
-
- /* Devfn 1 is the ATA primary. The secondary is magic and on devfn2. For the
- moment we don't handle the secondary. FIXME */
-
+ const struct ata_port_info *ppi[] = { &info, &ata_dummy_port_info };
+
+ /* Devfn 1 is the ATA primary. The secondary is magic and on devfn2.
+ For the moment we don't handle the secondary. FIXME */
+
if (PCI_FUNC(pdev->devfn) != 1)
return -ENODEV;
-
- return ata_pci_init_one(pdev, port_info, 1);
+
+ return ata_pci_sff_init_one(pdev, ppi, &cy82c693_sht, NULL);
}
-static struct pci_device_id cy82c693[] = {
- { PCI_VENDOR_ID_CONTAQ, PCI_DEVICE_ID_CONTAQ_82C693, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
- { 0, },
+static const struct pci_device_id cy82c693[] = {
+ { PCI_VDEVICE(CONTAQ, PCI_DEVICE_ID_CONTAQ_82C693), },
+
+ { },
};
static struct pci_driver cy82c693_pci_driver = {
- .name = DRV_NAME,
+ .name = DRV_NAME,
.id_table = cy82c693,
.probe = cy82c693_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 cy82c693_init(void)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff