linux-imx

/*

 * Roccat Kova[+] driver for Linux

 *

 * Copyright (c) 2011 Stefan Achatz <erazor_de@users.sourceforge.net>

 */

​

/*

 * 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.

 */

​

/*

 * Roccat Kova[+] is a bigger version of the Pyra with two more side buttons.

 */

​

#include <linux/device.h>

#include <linux/input.h>

#include <linux/hid.h>

#include <linux/module.h>

#include <linux/slab.h>

#include <linux/hid-roccat.h>

#include "hid-ids.h"

#include "hid-roccat-common.h"

#include "hid-roccat-kovaplus.h"

​

static uint profile_numbers[5] = {0, 1, 2, 3, 4};

​

static struct class *kovaplus_class;

​

static uint kovaplus_convert_event_cpi(uint value)

{

    return (value == 7 ? 4 : (value == 4 ? 3 : value));

}

​

static void kovaplus_profile_activated(struct kovaplus_device *kovaplus,

        uint new_profile_index)

{

    if (new_profile_index >= ARRAY_SIZE(kovaplus->profile_settings))

        return;

    kovaplus->actual_profile = new_profile_index;

    kovaplus->actual_cpi = kovaplus->profile_settings[new_profile_index].cpi_startup_level;

    kovaplus->actual_x_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_x;

    kovaplus->actual_y_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_y;

}

​

static int kovaplus_send_control(struct usb_device *usb_dev, uint value,

        enum kovaplus_control_requests request)

{

    int retval;

    struct roccat_common2_control control;

​

    if ((request == KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS ||

            request == KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS) &&

            value > 4)

        return -EINVAL;

​

    control.command = ROCCAT_COMMON_COMMAND_CONTROL;

    control.value = value;

    control.request = request;

​

    retval = roccat_common2_send(usb_dev, ROCCAT_COMMON_COMMAND_CONTROL,