LXR linux/drivers/staging/phison/phison.c

   1/*
   2 * Copyright (C) 2006           Red Hat <evan_ko@phison.com>
   3 *
   4 *  May be copied or modified under the terms of the GNU General Public License
   5 *
   6 *  [Modify History]
   7 *   #0001, Evan, 2008.10.22, V0.00, New release.
   8 *   #0002, Evan, 2008.11.01, V0.90, Test Work In Ubuntu Linux 8.04.
   9 *   #0003, Evan, 2008.01.08, V0.91, Change Name "PCIE-SSD" to "E-BOX".
  10 */
  11
  12#include <linux/kernel.h>
  13#include <linux/module.h>
  14#include <linux/pci.h>
  15#include <linux/init.h>
  16#include <linux/blkdev.h>
  17#include <linux/delay.h>
  18#include <linux/device.h>
  19#include <scsi/scsi_host.h>
  20#include <linux/libata.h>
  21#include <linux/ata.h>
  22
  23#define PHISON_DEBUG
  24
  25#define DRV_NAME                "phison_e-box"  /* #0003 */
  26#define DRV_VERSION             "0.91"          /* #0003 */
  27
  28#define PCI_VENDOR_ID_PHISON    0x1987
  29#define PCI_DEVICE_ID_PS5000    0x5000
  30
  31static int phison_pre_reset(struct ata_link *link, unsigned long deadline)
  32{
  33        int ret;
  34        struct ata_port *ap = link->ap;
  35
  36        ap->cbl = ATA_CBL_NONE;
  37        ret = ata_std_prereset(link, deadline);
  38        dev_dbg(ap->dev, "phison_pre_reset(), ret = %x\n", ret);
  39        return ret;
  40}
  41
  42static struct scsi_host_template phison_sht = {
  43        ATA_BMDMA_SHT(DRV_NAME),
  44};
  45
  46static struct ata_port_operations phison_ops = {
  47        .inherits               = &ata_bmdma_port_ops,
  48        .prereset               = phison_pre_reset,
  49};
  50
  51static int phison_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
  52{
  53        int ret;
  54        struct ata_port_info info = {
  55                .flags          = ATA_FLAG_NO_ATAPI,
  56
  57                .pio_mask       = 0x1f,
  58                .mwdma_mask     = 0x07,
  59                .udma_mask      = ATA_UDMA5,
  60
  61                .port_ops       = &phison_ops,
  62        };
  63        const struct ata_port_info *ppi[] = { &info, NULL };
  64
  65        ret = ata_pci_bmdma_init_one(pdev, ppi, &phison_sht, NULL, 0);
  66
  67        dev_dbg(&pdev->dev, "phison_init_one(), ret = %x\n", ret);
  68
  69        return ret;
  70}
  71
  72static DEFINE_PCI_DEVICE_TABLE(phison_pci_tbl) = {
  73        { PCI_VENDOR_ID_PHISON, PCI_DEVICE_ID_PS5000, PCI_ANY_ID, PCI_ANY_ID,
  74          PCI_CLASS_STORAGE_IDE << 8, 0xffff00, 0 },
  75        { 0, },
  76};
  77MODULE_DEVICE_TABLE(pci, phison_pci_tbl);
  78
  79static struct pci_driver phison_pci_driver = {
  80        .name           = DRV_NAME,
  81        .id_table       = phison_pci_tbl,
  82        .probe          = phison_init_one,
  83        .remove         = ata_pci_remove_one,
  84#ifdef CONFIG_PM        /* haven't tested it. */
  85        .suspend        = ata_pci_device_suspend,
  86        .resume         = ata_pci_device_resume,
  87#endif
  88};
  89
  90static int __init phison_ide_init(void)
  91{
  92        return pci_register_driver(&phison_pci_driver);
  93}
  94
  95static void __exit phison_ide_exit(void)
  96{
  97        pci_unregister_driver(&phison_pci_driver);
  98}
  99
 100module_init(phison_ide_init);
 101module_exit(phison_ide_exit);
 102
 103MODULE_AUTHOR("Evan Ko");
 104MODULE_DESCRIPTION("PCIE driver module for PHISON PS5000 E-BOX");
 105MODULE_LICENSE("GPL");
 106MODULE_VERSION(DRV_VERSION);
 107