LXR linux/drivers/ata/pata

   1/*
   2 *    pata_netcell.c - Netcell PATA driver
   3 *
   4 *      (c) 2006 Red Hat
   5 */
   6
   7#include <linux/kernel.h>
   8#include <linux/module.h>
   9#include <linux/pci.h>
  10#include <linux/init.h>
  11#include <linux/blkdev.h>
  12#include <linux/delay.h>
  13#include <linux/device.h>
  14#include <scsi/scsi_host.h>
  15#include <linux/libata.h>
  16#include <linux/ata.h>
  17
  18#define DRV_NAME        "pata_netcell"
  19#define DRV_VERSION     "0.1.7"
  20
  21/* No PIO or DMA methods needed for this device */
  22
  23static struct scsi_host_template netcell_sht = {
  24        ATA_BMDMA_SHT(DRV_NAME),
  25};
  26
  27static struct ata_port_operations netcell_ops = {
  28        .inherits       = &ata_bmdma_port_ops,
  29        .cable_detect           = ata_cable_80wire,
  30};
  31
  32
  33/**
  34 *      netcell_init_one - Register Netcell ATA PCI device with kernel services
  35 *      @pdev: PCI device to register
  36 *      @ent: Entry in netcell_pci_tbl matching with @pdev
  37 *
  38 *      Called from kernel PCI layer.
  39 *
  40 *      LOCKING:
  41 *      Inherited from PCI layer (may sleep).
  42 *
  43 *      RETURNS:
  44 *      Zero on success, or -ERRNO value.
  45 */
  46
  47static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
  48{
  49        static int printed_version;
  50        static const struct ata_port_info info = {
  51                .flags          = ATA_FLAG_SLAVE_POSS,
  52                /* Actually we don't really care about these as the
  53                   firmware deals with it */
  54                .pio_mask       = 0x1f, /* pio0-4 */
  55                .mwdma_mask     = 0x07, /* mwdma0-2 */
  56                .udma_mask      = ATA_UDMA5, /* UDMA 133 */
  57                .port_ops       = &netcell_ops,
  58        };
  59        const struct ata_port_info *port_info[] = { &info, NULL };
  60        int rc;
  61
  62        if (!printed_version++)
  63                dev_printk(KERN_DEBUG, &pdev->dev,
  64                           "version " DRV_VERSION "\n");
  65
  66        rc = pcim_enable_device(pdev);
  67        if (rc)
  68                return rc;
  69
  70        /* Any chip specific setup/optimisation/messages here */
  71        ata_pci_bmdma_clear_simplex(pdev);
  72
  73        /* And let the library code do the work */
  74        return ata_pci_sff_init_one(pdev, port_info, &netcell_sht, NULL);
  75}
  76
  77static const struct pci_device_id netcell_pci_tbl[] = {
  78        { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), },
  79
  80        { }     /* terminate list */
  81};
  82
  83static struct pci_driver netcell_pci_driver = {
  84        .name                   = DRV_NAME,
  85        .id_table               = netcell_pci_tbl,
  86        .probe                  = netcell_init_one,
  87        .remove                 = ata_pci_remove_one,
  88#ifdef CONFIG_PM
  89        .suspend                = ata_pci_device_suspend,
  90        .resume                 = ata_pci_device_resume,
  91#endif
  92};
  93
  94static int __init netcell_init(void)
  95{
  96        return pci_register_driver(&netcell_pci_driver);
  97}
  98
  99static void __exit netcell_exit(void)
 100{
 101        pci_unregister_driver(&netcell_pci_driver);
 102}
 103
 104module_init(netcell_init);
 105module_exit(netcell_exit);
 106
 107MODULE_AUTHOR("Alan Cox");
 108MODULE_DESCRIPTION("SCSI low-level driver for Netcell PATA RAID");
 109MODULE_LICENSE("GPL");
 110MODULE_DEVICE_TABLE(pci, netcell_pci_tbl);
 111MODULE_VERSION(DRV_VERSION);
 112
 113