linux-imx

/*

 *  HID driver for some gyration "special" devices

 *

 *  Copyright (c) 1999 Andreas Gal

 *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>

 *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc

 *  Copyright (c) 2008 Jiri Slaby

 *  Copyright (c) 2006-2008 Jiri Kosina

 */

​

/*

 * 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/device.h>

#include <linux/input.h>

#include <linux/hid.h>

#include <linux/module.h>

​

#include "hid-ids.h"

​

#define gy_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \

                    EV_KEY, (c))

static int gyration_input_mapping(struct hid_device *hdev, struct hid_input *hi,

        struct hid_field *field, struct hid_usage *usage,

        unsigned long **bit, int *max)

{

    if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)

        return 0;

​

    set_bit(EV_REP, hi->input->evbit);

    switch (usage->hid & HID_USAGE) {

    /* Reported on Gyration MCE Remote */

    case 0x00d: gy_map_key_clear(KEY_HOME);     break;

    case 0x024: gy_map_key_clear(KEY_DVD);      break;

    case 0x025: gy_map_key_clear(KEY_PVR);      break;

    case 0x046: gy_map_key_clear(KEY_MEDIA);    break;

    case 0x047: gy_map_key_clear(KEY_MP3);      break;

    case 0x048: gy_map_key_clear(KEY_MEDIA);    break;

    case 0x049: gy_map_key_clear(KEY_CAMERA);   break;

    case 0x04a: gy_map_key_clear(KEY_VIDEO);    break;

    case 0x05a: gy_map_key_clear(KEY_TEXT);     break;

    case 0x05b: gy_map_key_clear(KEY_RED);      break;

    case 0x05c: gy_map_key_clear(KEY_GREEN);    break;

    case 0x05d: gy_map_key_clear(KEY_YELLOW);   break;

    case 0x05e: gy_map_key_clear(KEY_BLUE);     break;

​

    default:

        return 0;

    }

    return 1;

}

​

static int gyration_event(struct hid_device *hdev, struct hid_field *field,

        struct hid_usage *usage, __s32 value)

{

​

    if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput)

        return 0;

​