linux-imx

/*

 * HID driver for Corsair devices

 *

 * Supported devices:

 *  - Vengeance K70 Keyboard

 *  - K70 RAPIDFIRE Keyboard

 *  - Vengeance K90 Keyboard

 *  - Scimitar PRO RGB Gaming Mouse

 *

 * Copyright (c) 2015 Clement Vuchener

 * Copyright (c) 2017 Oscar Campos

 * Copyright (c) 2017 Aaron Bottegal

 */

​

/*

 * 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/hid.h>

#include <linux/module.h>

#include <linux/usb.h>

#include <linux/leds.h>

​

#include "hid-ids.h"

​

#define CORSAIR_USE_K90_MACRO   (1<<0)

#define CORSAIR_USE_K90_BACKLIGHT   (1<<1)

​

struct k90_led {

    struct led_classdev cdev;

    int brightness;

    struct work_struct work;

    bool removed;

};

​

struct k90_drvdata {

    struct k90_led record_led;

};

​

struct corsair_drvdata {

    unsigned long quirks;

    struct k90_drvdata *k90;

    struct k90_led *backlight;

};

​

#define K90_GKEY_COUNT  18

​

static int corsair_usage_to_gkey(unsigned int usage)

{

    /* G1 (0xd0) to G16 (0xdf) */

    if (usage >= 0xd0 && usage <= 0xdf)

        return usage - 0xd0 + 1;

    /* G17 (0xe8) to G18 (0xe9) */

    if (usage >= 0xe8 && usage <= 0xe9)

        return usage - 0xe8 + 17;

    return 0;

}

​

static unsigned short corsair_gkey_map[K90_GKEY_COUNT] = {

    BTN_TRIGGER_HAPPY1,