/*
* HID driver for Nintendo Wiimote devices
* Copyright (c) 2011 David Herrmann
*/
/*
* 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/completion.h>
#include <linux/device.h>
#include <linux/hid.h>
#include <linux/input.h>
#include <linux/leds.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/power_supply.h>
#include <linux/spinlock.h>
#include "hid-ids.h"
#define WIIMOTE_VERSION "0.2"
#define WIIMOTE_NAME "Nintendo Wii Remote"
#define WIIMOTE_BUFSIZE 32
struct wiimote_buf {
__u8 data[HID_MAX_BUFFER_SIZE];
size_t size;
};
struct wiimote_state {
spinlock_t lock;
__u8 flags;
__u8 accel_split[2];
/* synchronous cmd requests */
struct mutex sync;
struct completion ready;
int cmd;
__u32 opt;
/* results of synchronous requests */
__u8 cmd_battery;
__u8 cmd_err;
};
struct wiimote_data {
struct hid_device *hdev;
struct input_dev *input;
struct led_classdev *leds[4];
struct input_dev *accel;
struct input_dev *ir;
struct power_supply battery;
spinlock_t qlock;
__u8 head;
__u8 tail;
struct wiimote_buf outq[WIIMOTE_BUFSIZE];
struct work_struct worker;
struct wiimote_state state;
};
#define WIIPROTO_FLAG_LED1 0x01
#define WIIPROTO_FLAG_LED2 0x02
#define WIIPROTO_FLAG_LED3 0x04
#define WIIPROTO_FLAG_LED4 0x08
#define WIIPROTO_FLAG_RUMBLE 0x10
#define WIIPROTO_FLAG_ACCEL 0x20
#define WIIPROTO_FLAG_IR_BASIC 0x40
#define WIIPROTO_FLAG_IR_EXT 0x80
#define WIIPROTO_FLAG_IR_FULL 0xc0 /* IR_BASIC | IR_EXT */
#define WIIPROTO_FLAGS_LEDS (WIIPROTO_FLAG_LED1 | WIIPROTO_FLAG_LED2 | \
WIIPROTO_FLAG_LED3 | WIIPROTO_FLAG_LED4)
#define WIIPROTO_FLAGS_IR (WIIPROTO_FLAG_IR_BASIC | WIIPROTO_FLAG_IR_EXT | \
WIIPROTO_FLAG_IR_FULL)
/* return flag for led \num */
#define WIIPROTO_FLAG_LED(num) (WIIPROTO_FLAG_LED1 << (num - 1))
enum wiiproto_reqs {
WIIPROTO_REQ_NULL = 0x0,
WIIPROTO_REQ_RUMBLE = 0x10,
WIIPROTO_REQ_LED = 0x11,
WIIPROTO_REQ_DRM = 0x12,
WIIPROTO_REQ_IR1 = 0x13,
WIIPROTO_REQ_SREQ = 0x15,
WIIPROTO_REQ_WMEM = 0x16,
WIIPROTO_REQ_RMEM = 0x17,
WIIPROTO_REQ_IR2 = 0x1a,
WIIPROTO_REQ_STATUS = 0x20,
WIIPROTO_REQ_DATA = 0x21,
WIIPROTO_REQ_RETURN = 0x22,
WIIPROTO_REQ_DRM_K = 0x30,
WIIPROTO_REQ_DRM_KA = 0x31,
WIIPROTO_REQ_DRM_KE 