linux-imx

/*

 * Support for the VMIVME-7805 board access to the Universe II bridge.

 *

 * Author: Arthur Benilov <arthur.benilov@iba-group.com>

 * Copyright 2010 Ion Beam Application, Inc.

 *

 * This program is free software; you can redistribute  it and/or modify it

 * under  the terms of  the GNU General  Public License as published by the

 * Free Software Foundation;  either version 2 of the  License, or (at your

 * option) any later version.

 */

​

#include <linux/module.h>

#include <linux/types.h>

#include <linux/errno.h>

#include <linux/pci.h>

#include <linux/poll.h>

#include <linux/io.h>

​

#include "vme_vmivme7805.h"

​

static int vmic_probe(struct pci_dev *, const struct pci_device_id *);

static void vmic_remove(struct pci_dev *);

​

/** Base address to access FPGA register */

static void __iomem *vmic_base;

​

static const char driver_name[] = "vmivme_7805";

​

static const struct pci_device_id vmic_ids[] = {

    { PCI_DEVICE(PCI_VENDOR_ID_VMIC, PCI_DEVICE_ID_VTIMR) },

    { },

};

​

static struct pci_driver vmic_driver = {

    .name = driver_name,

    .id_table = vmic_ids,

    .probe = vmic_probe,

    .remove = vmic_remove,

};

​

static int vmic_probe(struct pci_dev *pdev, const struct pci_device_id *id)

{

    int retval;

    u32 data;

​

    /* Enable the device */

    retval = pci_enable_device(pdev);

    if (retval) {

        dev_err(&pdev->dev, "Unable to enable device\n");

        goto err;

    }

​

    /* Map Registers */

    retval = pci_request_regions(pdev, driver_name);

    if (retval) {

        dev_err(&pdev->dev, "Unable to reserve resources\n");

        goto err_resource;

    }

​

    /* Map registers in BAR 0 */

    vmic_base = ioremap_nocache(pci_resource_start(pdev, 0), 16);

    if (!vmic_base) {