1 #ifndef __HID_WIIMOTE_H
2 #define __HID_WIIMOTE_H
5 * HID driver for Nintendo Wii / Wii U peripherals
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the Free
12 * Software Foundation; either version 2 of the License, or (at your option)
16 #include <linux/completion.h>
17 #include <linux/device.h>
18 #include <linux/hid.h>
19 #include <linux/input.h>
20 #include <linux/leds.h>
21 #include <linux/module.h>
22 #include <linux/mutex.h>
23 #include <linux/power_supply.h>
24 #include <linux/spinlock.h>
25 #include <linux/timer.h>
27 #define WIIMOTE_NAME "Nintendo Wii Remote"
28 #define WIIMOTE_BUFSIZE 32
30 #define WIIPROTO_FLAG_LED1 0x01
31 #define WIIPROTO_FLAG_LED2 0x02
32 #define WIIPROTO_FLAG_LED3 0x04
33 #define WIIPROTO_FLAG_LED4 0x08
34 #define WIIPROTO_FLAG_RUMBLE 0x10
35 #define WIIPROTO_FLAG_ACCEL 0x20
36 #define WIIPROTO_FLAG_IR_BASIC 0x40
37 #define WIIPROTO_FLAG_IR_EXT 0x80
38 #define WIIPROTO_FLAG_IR_FULL 0xc0 /* IR_BASIC | IR_EXT */
39 #define WIIPROTO_FLAG_EXT_PLUGGED 0x0100
40 #define WIIPROTO_FLAG_EXT_USED 0x0200
41 #define WIIPROTO_FLAG_EXT_ACTIVE 0x0400
42 #define WIIPROTO_FLAG_MP_PLUGGED 0x0800
43 #define WIIPROTO_FLAG_MP_USED 0x1000
44 #define WIIPROTO_FLAG_MP_ACTIVE 0x2000
45 #define WIIPROTO_FLAG_EXITING 0x4000
46 #define WIIPROTO_FLAG_DRM_LOCKED 0x8000
47 #define WIIPROTO_FLAG_BUILTIN_MP 0x010000
48 #define WIIPROTO_FLAG_NO_MP 0x020000
50 #define WIIPROTO_FLAGS_LEDS (WIIPROTO_FLAG_LED1 | WIIPROTO_FLAG_LED2 | \
51 WIIPROTO_FLAG_LED3 | WIIPROTO_FLAG_LED4)
52 #define WIIPROTO_FLAGS_IR (WIIPROTO_FLAG_IR_BASIC | WIIPROTO_FLAG_IR_EXT | \
53 WIIPROTO_FLAG_IR_FULL)
55 /* return flag for led \num */
56 #define WIIPROTO_FLAG_LED(num) (WIIPROTO_FLAG_LED1 << (num - 1))
73 enum wiimote_devtype {
79 WIIMOTE_DEV_BALANCE_BOARD,
80 WIIMOTE_DEV_PRO_CONTROLLER,
84 enum wiimote_exttype {
88 WIIMOTE_EXT_CLASSIC_CONTROLLER,
89 WIIMOTE_EXT_BALANCE_BOARD,
90 WIIMOTE_EXT_PRO_CONTROLLER,
98 WIIMOTE_MP_PASSTHROUGH_NUNCHUK,
99 WIIMOTE_MP_PASSTHROUGH_CLASSIC,
103 __u8 data[HID_MAX_BUFFER_SIZE];
107 struct wiimote_queue {
109 struct work_struct worker;
112 struct wiimote_buf outq[WIIMOTE_BUFSIZE];
115 struct wiimote_state {
124 /* synchronous cmd requests */
126 struct completion ready;
130 /* results of synchronous requests */
136 /* calibration data */
137 __u16 calib_bboard[4][3];
140 struct wiimote_data {
141 struct hid_device *hdev;
142 struct input_dev *input;
143 struct led_classdev *leds[4];
144 struct input_dev *accel;
145 struct input_dev *ir;
146 struct power_supply battery;
147 struct input_dev *mp;
148 struct timer_list timer;
149 struct wiimote_debug *debug;
152 struct input_dev *input;
155 struct wiimote_queue queue;
156 struct wiimote_state state;
157 struct work_struct init_worker;
160 /* wiimote modules */
175 WIIMOD_NULL = WIIMOD_NUM,
178 #define WIIMOD_FLAG_INPUT 0x0001
179 #define WIIMOD_FLAG_EXT8 0x0002
180 #define WIIMOD_FLAG_EXT16 0x0004
185 int (*probe) (const struct wiimod_ops *ops,
186 struct wiimote_data *wdata);
187 void (*remove) (const struct wiimod_ops *ops,
188 struct wiimote_data *wdata);
190 void (*in_keys) (struct wiimote_data *wdata, const __u8 *keys);
191 void (*in_accel) (struct wiimote_data *wdata, const __u8 *accel);
192 void (*in_ir) (struct wiimote_data *wdata, const __u8 *ir, bool packed,
194 void (*in_mp) (struct wiimote_data *wdata, const __u8 *mp);
195 void (*in_ext) (struct wiimote_data *wdata, const __u8 *ext);
198 extern const struct wiimod_ops *wiimod_table[WIIMOD_NUM];
199 extern const struct wiimod_ops *wiimod_ext_table[WIIMOTE_EXT_NUM];
200 extern const struct wiimod_ops wiimod_mp;
202 /* wiimote requests */
205 WIIPROTO_REQ_NULL = 0x0,
206 WIIPROTO_REQ_RUMBLE = 0x10,
207 WIIPROTO_REQ_LED = 0x11,
208 WIIPROTO_REQ_DRM = 0x12,
209 WIIPROTO_REQ_IR1 = 0x13,
210 WIIPROTO_REQ_SREQ = 0x15,
211 WIIPROTO_REQ_WMEM = 0x16,
212 WIIPROTO_REQ_RMEM = 0x17,
213 WIIPROTO_REQ_IR2 = 0x1a,
214 WIIPROTO_REQ_STATUS = 0x20,
215 WIIPROTO_REQ_DATA = 0x21,
216 WIIPROTO_REQ_RETURN = 0x22,
219 WIIPROTO_REQ_DRM_K = 0x30,
221 /* DRM_KA: BB*2 AA*3 */
222 WIIPROTO_REQ_DRM_KA = 0x31,
224 /* DRM_KE: BB*2 EE*8 */
225 WIIPROTO_REQ_DRM_KE = 0x32,
227 /* DRM_KAI: BB*2 AA*3 II*12 */
228 WIIPROTO_REQ_DRM_KAI = 0x33,
230 /* DRM_KEE: BB*2 EE*19 */
231 WIIPROTO_REQ_DRM_KEE = 0x34,
233 /* DRM_KAE: BB*2 AA*3 EE*16 */
234 WIIPROTO_REQ_DRM_KAE = 0x35,
236 /* DRM_KIE: BB*2 II*10 EE*9 */
237 WIIPROTO_REQ_DRM_KIE = 0x36,
239 /* DRM_KAIE: BB*2 AA*3 II*10 EE*6 */
240 WIIPROTO_REQ_DRM_KAIE = 0x37,
243 WIIPROTO_REQ_DRM_E = 0x3d,
245 /* DRM_SKAI1: BB*2 AA*1 II*18 */
246 WIIPROTO_REQ_DRM_SKAI1 = 0x3e,
248 /* DRM_SKAI2: BB*2 AA*1 II*18 */
249 WIIPROTO_REQ_DRM_SKAI2 = 0x3f,
254 #define dev_to_wii(pdev) hid_get_drvdata(container_of(pdev, struct hid_device, \
257 void __wiimote_schedule(struct wiimote_data *wdata);
259 extern void wiiproto_req_drm(struct wiimote_data *wdata, __u8 drm);
260 extern void wiiproto_req_rumble(struct wiimote_data *wdata, __u8 rumble);
261 extern void wiiproto_req_leds(struct wiimote_data *wdata, int leds);
262 extern void wiiproto_req_status(struct wiimote_data *wdata);
263 extern void wiiproto_req_accel(struct wiimote_data *wdata, __u8 accel);
264 extern void wiiproto_req_ir1(struct wiimote_data *wdata, __u8 flags);
265 extern void wiiproto_req_ir2(struct wiimote_data *wdata, __u8 flags);
266 extern int wiimote_cmd_write(struct wiimote_data *wdata, __u32 offset,
267 const __u8 *wmem, __u8 size);
268 extern ssize_t wiimote_cmd_read(struct wiimote_data *wdata, __u32 offset,
269 __u8 *rmem, __u8 size);
271 #define wiiproto_req_rreg(wdata, os, sz) \
272 wiiproto_req_rmem((wdata), false, (os), (sz))
273 #define wiiproto_req_reeprom(wdata, os, sz) \
274 wiiproto_req_rmem((wdata), true, (os), (sz))
275 extern void wiiproto_req_rmem(struct wiimote_data *wdata, bool eeprom,
276 __u32 offset, __u16 size);
278 #ifdef CONFIG_DEBUG_FS
280 extern int wiidebug_init(struct wiimote_data *wdata);
281 extern void wiidebug_deinit(struct wiimote_data *wdata);
285 static inline int wiidebug_init(void *u) { return 0; }
286 static inline void wiidebug_deinit(void *u) { }
290 /* requires the state.lock spinlock to be held */
291 static inline bool wiimote_cmd_pending(struct wiimote_data *wdata, int cmd,
294 return wdata->state.cmd == cmd && wdata->state.opt == opt;
297 /* requires the state.lock spinlock to be held */
298 static inline void wiimote_cmd_complete(struct wiimote_data *wdata)
300 wdata->state.cmd = WIIPROTO_REQ_NULL;
301 complete(&wdata->state.ready);
304 /* requires the state.lock spinlock to be held */
305 static inline void wiimote_cmd_abort(struct wiimote_data *wdata)
307 /* Abort synchronous request by waking up the sleeping caller. But
308 * reset the state.cmd field to an invalid value so no further event
309 * handlers will work with it. */
310 wdata->state.cmd = WIIPROTO_REQ_MAX;
311 complete(&wdata->state.ready);
314 static inline int wiimote_cmd_acquire(struct wiimote_data *wdata)
316 return mutex_lock_interruptible(&wdata->state.sync) ? -ERESTARTSYS : 0;
319 static inline void wiimote_cmd_acquire_noint(struct wiimote_data *wdata)
321 mutex_lock(&wdata->state.sync);
324 /* requires the state.lock spinlock to be held */
325 static inline void wiimote_cmd_set(struct wiimote_data *wdata, int cmd,
328 INIT_COMPLETION(wdata->state.ready);
329 wdata->state.cmd = cmd;
330 wdata->state.opt = opt;
333 static inline void wiimote_cmd_release(struct wiimote_data *wdata)
335 mutex_unlock(&wdata->state.sync);
338 static inline int wiimote_cmd_wait(struct wiimote_data *wdata)
342 /* The completion acts as implicit memory barrier so we can safely
343 * assume that state.cmd is set on success/failure and isn't accessed
344 * by any other thread, anymore. */
346 ret = wait_for_completion_interruptible_timeout(&wdata->state.ready, HZ);
351 else if (wdata->state.cmd != WIIPROTO_REQ_NULL)
357 static inline int wiimote_cmd_wait_noint(struct wiimote_data *wdata)
361 /* no locking needed; see wiimote_cmd_wait() */
362 ret = wait_for_completion_timeout(&wdata->state.ready, HZ);
365 else if (wdata->state.cmd != WIIPROTO_REQ_NULL)