phison.c

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/*
 * Copyright (C) 2006       Red Hat <[email protected]>
 *
 *  May be copied or modified under the terms of the GNU General Public License
 *
 *  [Modify History]
 *   #0001, Evan, 2008.10.22, V0.00, New release.
 *   #0002, Evan, 2008.11.01, V0.90, Test Work In Ubuntu Linux 8.04.
 *   #0003, Evan, 2008.01.08, V0.91, Change Name "PCIE-SSD" to "E-BOX".
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <scsi/scsi_host.h>
#include <linux/libata.h>
#include <linux/ata.h>

#define PHISON_DEBUG

#define DRV_NAME        "phison_e-box"  /* #0003 */
#define DRV_VERSION     "0.91"      /* #0003 */

#define PCI_VENDOR_ID_PHISON    0x1987
#define PCI_DEVICE_ID_PS5000    0x5000

static int phison_pre_reset(struct ata_link *link, unsigned long deadline)
{
    int ret;
    struct ata_port *ap = link->ap;

    ap->cbl = ATA_CBL_NONE;
    ret = ata_std_prereset(link, deadline);
    dev_dbg(ap->dev, "phison_pre_reset(), ret = %x\n", ret);
    return ret;
}

static struct scsi_host_template phison_sht = {
    ATA_BMDMA_SHT(DRV_NAME),
};

static struct ata_port_operations phison_ops = {
    .inherits       = &ata_bmdma_port_ops,
    .prereset       = phison_pre_reset,
};

static int phison_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
    int ret;
    struct ata_port_info info = {
        .flags      = ATA_FLAG_NO_ATAPI,

        .pio_mask   = 0x1f,
        .mwdma_mask = 0x07,
        .udma_mask  = ATA_UDMA5,

        .port_ops   = &phison_ops,
    };
    const struct ata_port_info *ppi[] = { &info, NULL };

    ret = ata_pci_bmdma_init_one(pdev, ppi, &phison_sht, NULL, 0);

    dev_dbg(&pdev->dev, "phison_init_one(), ret = %x\n", ret);

    return ret;
}

static DEFINE_PCI_DEVICE_TABLE(phison_pci_tbl) = {
    { PCI_DEVICE(PCI_VENDOR_ID_PHISON, PCI_DEVICE_ID_PS5000),
      PCI_CLASS_STORAGE_IDE << 8, 0xffff00, 0 },
    { 0, },
};
MODULE_DEVICE_TABLE(pci, phison_pci_tbl);

static struct pci_driver phison_pci_driver = {
    .name       = DRV_NAME,
    .id_table   = phison_pci_tbl,
    .probe      = phison_init_one,
    .remove     = ata_pci_remove_one,
#ifdef CONFIG_PM    /* haven't tested it. */
    .suspend    = ata_pci_device_suspend,
    .resume     = ata_pci_device_resume,
#endif
};

module_pci_driver(phison_pci_driver);

MODULE_AUTHOR("Evan Ko");
MODULE_DESCRIPTION("PCIE driver module for PHISON PS5000 E-BOX");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);