1#ifndef __HID_WIIMOTE_H
2#define __HID_WIIMOTE_H
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15
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>
26
27#define WIIMOTE_NAME "Nintendo Wii Remote"
28#define WIIMOTE_BUFSIZE 32
29
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
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
49
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)
54
55
56#define WIIPROTO_FLAG_LED(num) (WIIPROTO_FLAG_LED1 << (num - 1))
57
58enum wiiproto_keys {
59 WIIPROTO_KEY_LEFT,
60 WIIPROTO_KEY_RIGHT,
61 WIIPROTO_KEY_UP,
62 WIIPROTO_KEY_DOWN,
63 WIIPROTO_KEY_PLUS,
64 WIIPROTO_KEY_MINUS,
65 WIIPROTO_KEY_ONE,
66 WIIPROTO_KEY_TWO,
67 WIIPROTO_KEY_A,
68 WIIPROTO_KEY_B,
69 WIIPROTO_KEY_HOME,
70 WIIPROTO_KEY_COUNT
71};
72
73enum wiimote_devtype {
74 WIIMOTE_DEV_PENDING,
75 WIIMOTE_DEV_UNKNOWN,
76 WIIMOTE_DEV_GENERIC,
77 WIIMOTE_DEV_GEN10,
78 WIIMOTE_DEV_GEN20,
79 WIIMOTE_DEV_BALANCE_BOARD,
80 WIIMOTE_DEV_PRO_CONTROLLER,
81 WIIMOTE_DEV_NUM,
82};
83
84enum wiimote_exttype {
85 WIIMOTE_EXT_NONE,
86 WIIMOTE_EXT_UNKNOWN,
87 WIIMOTE_EXT_NUNCHUK,
88 WIIMOTE_EXT_CLASSIC_CONTROLLER,
89 WIIMOTE_EXT_BALANCE_BOARD,
90 WIIMOTE_EXT_PRO_CONTROLLER,
91 WIIMOTE_EXT_NUM,
92};
93
94enum wiimote_mptype {
95 WIIMOTE_MP_NONE,
96 WIIMOTE_MP_UNKNOWN,
97 WIIMOTE_MP_SINGLE,
98 WIIMOTE_MP_PASSTHROUGH_NUNCHUK,
99 WIIMOTE_MP_PASSTHROUGH_CLASSIC,
100};
101
102struct wiimote_buf {
103 __u8 data[HID_MAX_BUFFER_SIZE];
104 size_t size;
105};
106
107struct wiimote_queue {
108 spinlock_t lock;
109 struct work_struct worker;
110 __u8 head;
111 __u8 tail;
112 struct wiimote_buf outq[WIIMOTE_BUFSIZE];
113};
114
115struct wiimote_state {
116 spinlock_t lock;
117 __u32 flags;
118 __u8 accel_split[2];
119 __u8 drm;
120 __u8 devtype;
121 __u8 exttype;
122 __u8 mp;
123
124
125 struct mutex sync;
126 struct completion ready;
127 int cmd;
128 __u32 opt;
129
130
131 __u8 cmd_battery;
132 __u8 cmd_err;
133 __u8 *cmd_read_buf;
134 __u8 cmd_read_size;
135
136
137 __u16 calib_bboard[4][3];
138};
139
140struct 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;
150
151 union {
152 struct input_dev *input;
153 } extension;
154
155 struct wiimote_queue queue;
156 struct wiimote_state state;
157 struct work_struct init_worker;
158};
159
160
161
162enum wiimod_module {
163 WIIMOD_KEYS,
164 WIIMOD_RUMBLE,
165 WIIMOD_BATTERY,
166 WIIMOD_LED1,
167 WIIMOD_LED2,
168 WIIMOD_LED3,
169 WIIMOD_LED4,
170 WIIMOD_ACCEL,
171 WIIMOD_IR,
172 WIIMOD_BUILTIN_MP,
173 WIIMOD_NO_MP,
174 WIIMOD_NUM,
175 WIIMOD_NULL = WIIMOD_NUM,
176};
177
178#define WIIMOD_FLAG_INPUT 0x0001
179#define WIIMOD_FLAG_EXT8 0x0002
180#define WIIMOD_FLAG_EXT16 0x0004
181
182struct wiimod_ops {
183 __u16 flags;
184 unsigned long arg;
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);
189
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,
193 unsigned int id);
194 void (*in_mp) (struct wiimote_data *wdata, const __u8 *mp);
195 void (*in_ext) (struct wiimote_data *wdata, const __u8 *ext);
196};
197
198extern const struct wiimod_ops *wiimod_table[WIIMOD_NUM];
199extern const struct wiimod_ops *wiimod_ext_table[WIIMOTE_EXT_NUM];
200extern const struct wiimod_ops wiimod_mp;
201
202
203
204enum wiiproto_reqs {
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,
217
218
219 WIIPROTO_REQ_DRM_K = 0x30,
220
221
222 WIIPROTO_REQ_DRM_KA = 0x31,
223
224
225 WIIPROTO_REQ_DRM_KE = 0x32,
226
227
228 WIIPROTO_REQ_DRM_KAI = 0x33,
229
230
231 WIIPROTO_REQ_DRM_KEE = 0x34,
232
233
234 WIIPROTO_REQ_DRM_KAE = 0x35,
235
236
237 WIIPROTO_REQ_DRM_KIE = 0x36,
238
239
240 WIIPROTO_REQ_DRM_KAIE = 0x37,
241
242
243 WIIPROTO_REQ_DRM_E = 0x3d,
244
245
246 WIIPROTO_REQ_DRM_SKAI1 = 0x3e,
247
248
249 WIIPROTO_REQ_DRM_SKAI2 = 0x3f,
250
251 WIIPROTO_REQ_MAX
252};
253
254#define dev_to_wii(pdev) hid_get_drvdata(container_of(pdev, struct hid_device, \
255 dev))
256
257void __wiimote_schedule(struct wiimote_data *wdata);
258
259extern void wiiproto_req_drm(struct wiimote_data *wdata, __u8 drm);
260extern void wiiproto_req_rumble(struct wiimote_data *wdata, __u8 rumble);
261extern void wiiproto_req_leds(struct wiimote_data *wdata, int leds);
262extern void wiiproto_req_status(struct wiimote_data *wdata);
263extern void wiiproto_req_accel(struct wiimote_data *wdata, __u8 accel);
264extern void wiiproto_req_ir1(struct wiimote_data *wdata, __u8 flags);
265extern void wiiproto_req_ir2(struct wiimote_data *wdata, __u8 flags);
266extern int wiimote_cmd_write(struct wiimote_data *wdata, __u32 offset,
267 const __u8 *wmem, __u8 size);
268extern ssize_t wiimote_cmd_read(struct wiimote_data *wdata, __u32 offset,
269 __u8 *rmem, __u8 size);
270
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))
275extern void wiiproto_req_rmem(struct wiimote_data *wdata, bool eeprom,
276 __u32 offset, __u16 size);
277
278#ifdef CONFIG_DEBUG_FS
279
280extern int wiidebug_init(struct wiimote_data *wdata);
281extern void wiidebug_deinit(struct wiimote_data *wdata);
282
283#else
284
285static inline int wiidebug_init(void *u) { return 0; }
286static inline void wiidebug_deinit(void *u) { }
287
288#endif
289
290
291static inline bool wiimote_cmd_pending(struct wiimote_data *wdata, int cmd,
292 __u32 opt)
293{
294 return wdata->state.cmd == cmd && wdata->state.opt == opt;
295}
296
297
298static inline void wiimote_cmd_complete(struct wiimote_data *wdata)
299{
300 wdata->state.cmd = WIIPROTO_REQ_NULL;
301 complete(&wdata->state.ready);
302}
303
304
305static inline void wiimote_cmd_abort(struct wiimote_data *wdata)
306{
307
308
309
310 wdata->state.cmd = WIIPROTO_REQ_MAX;
311 complete(&wdata->state.ready);
312}
313
314static inline int wiimote_cmd_acquire(struct wiimote_data *wdata)
315{
316 return mutex_lock_interruptible(&wdata->state.sync) ? -ERESTARTSYS : 0;
317}
318
319static inline void wiimote_cmd_acquire_noint(struct wiimote_data *wdata)
320{
321 mutex_lock(&wdata->state.sync);
322}
323
324
325static inline void wiimote_cmd_set(struct wiimote_data *wdata, int cmd,
326 __u32 opt)
327{
328 INIT_COMPLETION(wdata->state.ready);
329 wdata->state.cmd = cmd;
330 wdata->state.opt = opt;
331}
332
333static inline void wiimote_cmd_release(struct wiimote_data *wdata)
334{
335 mutex_unlock(&wdata->state.sync);
336}
337
338static inline int wiimote_cmd_wait(struct wiimote_data *wdata)
339{
340 int ret;
341
342
343
344
345
346 ret = wait_for_completion_interruptible_timeout(&wdata->state.ready, HZ);
347 if (ret < 0)
348 return -ERESTARTSYS;
349 else if (ret == 0)
350 return -EIO;
351 else if (wdata->state.cmd != WIIPROTO_REQ_NULL)
352 return -EIO;
353 else
354 return 0;
355}
356
357static inline int wiimote_cmd_wait_noint(struct wiimote_data *wdata)
358{
359 unsigned long ret;
360
361
362 ret = wait_for_completion_timeout(&wdata->state.ready, HZ);
363 if (!ret)
364 return -EIO;
365 else if (wdata->state.cmd != WIIPROTO_REQ_NULL)
366 return -EIO;
367 else
368 return 0;
369}
370
371#endif
372