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
  31 static 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
  42 static struct scsi_host_template phison_sht = {
  43         ATA_BMDMA_SHT(DRV_NAME),
  44 };
  45
  46 static struct ata_port_operations phison_ops = {
  47         .inherits               = &ata_bmdma_port_ops,
  48         .prereset               = phison_pre_reset,
  49 };
  50
  51 static 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
  72 static 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 };
  77 MODULE_DEVICE_TABLE(pci, phison_pci_tbl);
  78
  79 static 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
  90 static int __init phison_ide_init(void)
  91 {
  92         return pci_register_driver(&phison_pci_driver);
  93 }
  94
  95 static void __exit phison_ide_exit(void)
  96 {
  97         pci_unregister_driver(&phison_pci_driver);
  98 }
  99
 100 module_init(phison_ide_init);
 101 module_exit(phison_ide_exit);
 102
 103 MODULE_AUTHOR("Evan Ko");
 104 MODULE_DESCRIPTION("PCIE driver module for PHISON PS5000 E-BOX");
 105 MODULE_LICENSE("GPL");
 106 MODULE_VERSION(DRV_VERSION);