/*
* ata_generic.c - Generic PATA/SATA controller driver.
- * Copyright 2005 Red Hat Inc <alan@redhat.com>, all rights reserved.
+ * Copyright 2005 Red Hat Inc, all rights reserved.
*
* Elements from ide/pci/generic.c
* Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org>
#include <linux/libata.h>
#define DRV_NAME "ata_generic"
-#define DRV_VERSION "0.2.10"
+#define DRV_VERSION "0.2.15"
/*
* 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
+ * @link: link to set up
* @unused: returned device on error
*
* Use a non standard set_mode function. We don't want to be tuned.
* and respect them.
*/
-static int generic_set_mode(struct ata_port *ap, struct ata_device **unused)
+static int generic_set_mode(struct ata_link *link, struct ata_device **unused)
{
+ struct ata_port *ap = link->ap;
int dma_enabled = 0;
- int i;
+ struct ata_device *dev;
+ struct pci_dev *pdev = to_pci_dev(ap->host->dev);
/* Bits 5 and 6 indicate if DMA is active on master/slave */
if (ap->ioaddr.bmdma_addr)
- dma_enabled = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_CMD);
-
- for (i = 0; i < ATA_MAX_DEVICES; i++) {
- struct ata_device *dev = &ap->device[i];
- if (ata_dev_ready(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
- 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;
- dev->flags &= ~ATA_DFLAG_PIO;
- } else {
- dev->xfer_mode = XFER_PIO_0;
- dev->xfer_shift = ATA_SHIFT_PIO;
- dev->flags |= ATA_DFLAG_PIO;
+ dma_enabled = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS);
+
+ if (pdev->vendor == PCI_VENDOR_ID_CENATEK)
+ dma_enabled = 0xFF;
+
+ ata_for_each_dev(dev, link, ENABLED) {
+ /* 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
+ and this comes from the current configuration flags */
+ if (dma_enabled & (1 << (5 + dev->devno))) {
+ unsigned int xfer_mask = ata_id_xfermask(dev->id);
+ const char *name;
+
+ if (xfer_mask & (ATA_MASK_MWDMA | ATA_MASK_UDMA))
+ name = ata_mode_string(xfer_mask);
+ else {
+ /* SWDMA perhaps? */
+ name = "DMA";
+ xfer_mask |= ata_xfer_mode2mask(XFER_MW_DMA_0);
}
+
+ ata_dev_printk(dev, KERN_INFO, "configured for %s\n",
+ name);
+
+ dev->xfer_mode = ata_xfer_mask2mode(xfer_mask);
+ dev->xfer_shift = ata_xfer_mode2shift(dev->xfer_mode);
+ 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 = {
- .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,
- .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,
- .resume = ata_scsi_device_resume,
- .suspend = ata_scsi_device_suspend,
+ ATA_BMDMA_SHT(DRV_NAME),
};
static struct ata_port_operations generic_port_ops = {
+ .inherits = &ata_bmdma_port_ops,
+ .cable_detect = ata_cable_unknown,
.set_mode = generic_set_mode,
-
- .port_disable = ata_port_disable,
- .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,
-
- .bmdma_setup = ata_bmdma_setup,
- .bmdma_start = ata_bmdma_start,
- .bmdma_stop = ata_bmdma_stop,
- .bmdma_status = ata_bmdma_status,
-
- .data_xfer = ata_data_xfer,
-
- .freeze = ata_bmdma_freeze,
- .thaw = ata_bmdma_thaw,
- .error_handler = generic_error_handler,
- .post_internal_cmd = ata_bmdma_post_internal_cmd,
-
- .qc_prep = ata_qc_prep,
- .qc_issue = ata_qc_issue_prot,
-
- .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,
};
static int all_generic_ide; /* Set to claim all devices */
static int ata_generic_init_one(struct pci_dev *dev, const struct pci_device_id *id)
{
u16 command;
- static struct ata_port_info info = {
- .sht = &generic_sht,
- .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
- .pio_mask = 0x1f,
- .mwdma_mask = 0x07,
- .udma_mask = 0x3f,
+ static const struct ata_port_info info = {
+ .flags = ATA_FLAG_SLAVE_POSS,
+ .pio_mask = ATA_PIO4,
+ .mwdma_mask = ATA_MWDMA2,
+ .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;
if (dev->vendor == PCI_VENDOR_ID_AL)
- ata_pci_clear_simplex(dev);
+ ata_pci_bmdma_clear_simplex(dev);
- return ata_pci_init_one(dev, port_info, 2);
+ if (dev->vendor == PCI_VENDOR_ID_ATI) {
+ int rc = pcim_enable_device(dev);
+ if (rc < 0)
+ return rc;
+ pcim_pin_device(dev);
+ }
+ return ata_pci_sff_init_one(dev, ppi, &generic_sht, NULL);
}
static struct pci_device_id ata_generic[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE), },
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C561), },
{ PCI_DEVICE(PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558), },
+ { PCI_DEVICE(PCI_VENDOR_ID_CENATEK,PCI_DEVICE_ID_CENATEK_IDE), },
{ PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO), },
{ PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), },
{ PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2), },
.id_table = ata_generic,
.probe = ata_generic_init_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)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff