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/blkdev.h>
  16 #include <linux/delay.h>
  17 #include <linux/device.h>
  18 #include <scsi/scsi_host.h>
  19 #include <linux/libata.h>
  20 #include <linux/ata.h>
  21
  22 #define PHISON_DEBUG
  23
  24 #define DRV_NAME                "phison_e-box"  /* #0003 */
  25 #define DRV_VERSION             "0.91"          /* #0003 */
  26
  27 #define PCI_VENDOR_ID_PHISON    0x1987
  28 #define PCI_DEVICE_ID_PS5000    0x5000
  29
  30 static int phison_pre_reset(struct ata_link *link, unsigned long deadline)
  31 {
  32         int ret;
  33         struct ata_port *ap = link->ap;
  34
  35         ap->cbl = ATA_CBL_NONE;
  36         ret = ata_std_prereset(link, deadline);
  37         dev_dbg(ap->dev, "phison_pre_reset(), ret = %x\n", ret);
  38         return ret;
  39 }
  40
  41 static struct scsi_host_template phison_sht = {
  42         ATA_BMDMA_SHT(DRV_NAME),
  43 };
  44
  45 static struct ata_port_operations phison_ops = {
  46         .inherits               = &ata_bmdma_port_ops,
  47         .prereset               = phison_pre_reset,
  48 };
  49
  50 static int phison_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
  51 {
  52         int ret;
  53         struct ata_port_info info = {
  54                 .flags          = ATA_FLAG_NO_ATAPI,
  55
  56                 .pio_mask       = 0x1f,
  57                 .mwdma_mask     = 0x07,
  58                 .udma_mask      = ATA_UDMA5,
  59
  60                 .port_ops       = &phison_ops,
  61         };
  62         const struct ata_port_info *ppi[] = { &info, NULL };
  63
  64         ret = ata_pci_bmdma_init_one(pdev, ppi, &phison_sht, NULL, 0);
  65
  66         dev_dbg(&pdev->dev, "phison_init_one(), ret = %x\n", ret);
  67
  68         return ret;
  69 }
  70
  71 static const struct pci_device_id phison_pci_tbl[] = {
  72         { PCI_DEVICE(PCI_VENDOR_ID_PHISON, PCI_DEVICE_ID_PS5000),
  73           PCI_CLASS_STORAGE_IDE << 8, 0xffff00, 0 },
  74         { 0, },
  75 };
  76 MODULE_DEVICE_TABLE(pci, phison_pci_tbl);
  77
  78 static struct pci_driver phison_pci_driver = {
  79         .name           = DRV_NAME,
  80         .id_table       = phison_pci_tbl,
  81         .probe          = phison_init_one,
  82         .remove         = ata_pci_remove_one,
  83 #ifdef CONFIG_PM        /* haven't tested it. */
  84         .suspend        = ata_pci_device_suspend,
  85         .resume         = ata_pci_device_resume,
  86 #endif
  87 };
  88
  89 module_pci_driver(phison_pci_driver);
  90
  91 MODULE_AUTHOR("Evan Ko");
  92 MODULE_DESCRIPTION("PCIE driver module for PHISON PS5000 E-BOX");
  93 MODULE_LICENSE("GPL");
  94 MODULE_VERSION(DRV_VERSION);