* ata_generic.c - Generic PATA/SATA controller driver.
* Copyright 2005 Red Hat Inc <alan@redhat.com>, all rights reserved.
*
- * Elements from ide/pci/generic.c
+ * Elements from ide/pci/generic.c
* Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org>
* Portions (C) Copyright 2002 Red Hat Inc <alan@redhat.com>
*
* May be copied or modified under the terms of the GNU General Public License
- *
+ *
* Driver for PCI IDE interfaces implementing the standard bus mastering
* interface functionality. This assumes the BIOS did the drive set up and
* tuning for us. By default we do not grab all IDE class devices as they
* may have other drivers or need fixups to avoid problems. Instead we keep
* a default list of stuff without documentation/driver that appears to
- * work.
+ * work.
*/
#include <linux/kernel.h>
#include <linux/libata.h>
#define DRV_NAME "ata_generic"
-#define DRV_VERSION "0.2.6"
+#define DRV_VERSION "0.2.12"
/*
* A generic parallel ATA driver using libata
*/
/**
- * generic_pre_reset - probe begin
- * @ap: ATA port
- *
- * Set up cable type and use generic probe init
- */
-
-static int generic_pre_reset(struct ata_port *ap)
-{
- ap->cbl = ATA_CBL_PATA80;
- return ata_std_prereset(ap);
-}
-
-
-/**
- * generic_error_handler - Probe specified port on PATA host controller
- * @ap: Port to probe
- * @classes:
- *
- * LOCKING:
- * None (inherited from caller).
- */
-
-
-static void generic_error_handler(struct ata_port *ap)
-{
- ata_bmdma_drive_eh(ap, generic_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
-}
-
-/**
* generic_set_mode - mode setting
* @ap: interface to set up
+ * @unused: returned device on error
*
* Use a non standard set_mode function. We don't want to be tuned.
* The BIOS configured everything. Our job is not to fiddle. We
* read the dma enabled bits from the PCI configuration of the device
- * and respect them.
+ * and respect them.
*/
-
-static void generic_set_mode(struct ata_port *ap)
+
+static int generic_set_mode(struct ata_port *ap, struct ata_device **unused)
{
int dma_enabled = 0;
int i;
/* Bits 5 and 6 indicate if DMA is active on master/slave */
if (ap->ioaddr.bmdma_addr)
- dma_enabled = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD);
-
+ dma_enabled = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS);
+
for (i = 0; i < ATA_MAX_DEVICES; i++) {
struct ata_device *dev = &ap->device[i];
if (ata_dev_enabled(dev)) {
/* We don't really care */
dev->pio_mode = XFER_PIO_0;
dev->dma_mode = XFER_MW_DMA_0;
- /* We do need the right mode information for DMA or PIO
+ /* We do need the right mode information for DMA or PIO
and this comes from the current configuration flags */
if (dma_enabled & (1 << (5 + i))) {
- dev->xfer_mode = XFER_MW_DMA_0;
- dev->xfer_shift = ATA_SHIFT_MWDMA;
+ ata_id_to_dma_mode(dev, XFER_MW_DMA_0);
dev->flags &= ~ATA_DFLAG_PIO;
} else {
+ ata_dev_printk(dev, KERN_INFO, "configured for PIO\n");
dev->xfer_mode = XFER_PIO_0;
dev->xfer_shift = ATA_SHIFT_PIO;
dev->flags |= ATA_DFLAG_PIO;
}
}
}
+ return 0;
}
static struct scsi_host_template generic_sht = {
.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,
+ .slave_destroy = ata_scsi_slave_destroy,
.bios_param = ata_std_bios_param,
};
static struct ata_port_operations generic_port_ops = {
.set_mode = generic_set_mode,
-
+
.port_disable = ata_port_disable,
.tf_load = ata_tf_load,
.tf_read = ata_tf_read,
.bmdma_start = ata_bmdma_start,
.bmdma_stop = ata_bmdma_stop,
.bmdma_status = ata_bmdma_status,
-
- .data_xfer = ata_pio_data_xfer,
+
+ .data_xfer = ata_data_xfer,
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
- .error_handler = generic_error_handler,
+ .error_handler = ata_bmdma_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = ata_cable_unknown,
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
- .eng_timeout = ata_eng_timeout,
+
.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 all_generic_ide; /* Set to claim all devices */
/**
* @id: match entry
*
* Called each time a matching IDE interface is found. We check if the
- * interface is one we wish to claim and if so we perform any chip
+ * interface is one we wish to claim and if so we perform any chip
* specific hacks then let the ATA layer do the heavy lifting.
*/
-
+
static int ata_generic_init_one(struct pci_dev *dev, const struct pci_device_id *id)
{
u16 command;
- static struct ata_port_info info = {
+ static const struct ata_port_info info = {
.sht = &generic_sht,
- .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
+ .flags = ATA_FLAG_SLAVE_POSS,
.pio_mask = 0x1f,
.mwdma_mask = 0x07,
- .udma_mask = 0x3f,
+ .udma_mask = ATA_UDMA5,
.port_ops = &generic_port_ops
};
- static struct ata_port_info *port_info[2] = { &info, &info };
-
+ const struct ata_port_info *ppi[] = { &info, NULL };
+
/* Don't use the generic entry unless instructed to do so */
if (id->driver_data == 1 && all_generic_ide == 0)
return -ENODEV;
pci_read_config_word(dev, PCI_COMMAND, &command);
if (!(command & PCI_COMMAND_IO))
return -ENODEV;
-
+
if (dev->vendor == PCI_VENDOR_ID_AL)
ata_pci_clear_simplex(dev);
- return ata_pci_init_one(dev, port_info, 2);
+ return ata_pci_init_one(dev, ppi);
}
static struct pci_device_id ata_generic[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE), },
{ PCI_DEVICE(PCI_VENDOR_ID_HOLTEK, PCI_DEVICE_ID_HOLTEK_6565), },
- { PCI_DEVICE(PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8673F), },
+ { PCI_DEVICE(PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8673F), },
{ PCI_DEVICE(PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886A), },
{ PCI_DEVICE(PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886BF), },
{ PCI_DEVICE(PCI_VENDOR_ID_HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE), },
.name = DRV_NAME,
.id_table = ata_generic,
.probe = ata_generic_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 ata_generic_init(void)
{
- return pci_module_init(&ata_generic_pci_driver);
+ return pci_register_driver(&ata_generic_pci_driver);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff