linux-imx

#ifndef __HID_ROCCAT_COMMON_H

#define __HID_ROCCAT_COMMON_H

​

/*

 * 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.

 */

​

#include <linux/usb.h>

#include <linux/types.h>

​

enum roccat_common2_commands {

    ROCCAT_COMMON_COMMAND_CONTROL = 0x4,

};

​

struct roccat_common2_control {

    uint8_t command;

    uint8_t value;

    uint8_t request; /* always 0 on requesting write check */

} __packed;

​

int roccat_common2_receive(struct usb_device *usb_dev, uint report_id,

        void *data, uint size);

int roccat_common2_send(struct usb_device *usb_dev, uint report_id,

        void const *data, uint size);

int roccat_common2_send_with_status(struct usb_device *usb_dev,

        uint command, void const *buf, uint size);

​

struct roccat_common2_device {

    int roccat_claimed;

    int chrdev_minor;

    struct mutex lock;

};

​

int roccat_common2_device_init_struct(struct usb_device *usb_dev,

        struct roccat_common2_device *dev);

ssize_t roccat_common2_sysfs_read(struct file *fp, struct kobject *kobj,

        char *buf, loff_t off, size_t count,

        size_t real_size, uint command);

ssize_t roccat_common2_sysfs_write(struct file *fp, struct kobject *kobj,

        void const *buf, loff_t off, size_t count,

        size_t real_size, uint command);

​

#define ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE) \

static ssize_t roccat_common2_sysfs_write_ ## thingy(struct file *fp, \

        struct kobject *kobj, struct bin_attribute *attr, char *buf, \

        loff_t off, size_t count) \

{ \

    return roccat_common2_sysfs_write(fp, kobj, buf, off, count, \

            SIZE, COMMAND); \

}

​

#define ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE) \

static ssize_t roccat_common2_sysfs_read_ ## thingy(struct file *fp, \

        struct kobject *kobj, struct bin_attribute *attr, char *buf, \

        loff_t off, size_t count) \

{ \