Commit | Line | Data |
---|---|---|
fb51b443 DH |
1 | /* |
2 | * HID driver for Nintendo Wiimote devices | |
3 | * Copyright (c) 2011 David Herrmann | |
4 | */ | |
5 | ||
6 | /* | |
7 | * This program is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the Free | |
9 | * Software Foundation; either version 2 of the License, or (at your option) | |
10 | * any later version. | |
11 | */ | |
12 | ||
29d28064 | 13 | #include <linux/completion.h> |
672bc4e0 | 14 | #include <linux/device.h> |
02fb72a0 | 15 | #include <linux/hid.h> |
672bc4e0 | 16 | #include <linux/input.h> |
23a5a4a3 | 17 | #include <linux/leds.h> |
fb51b443 | 18 | #include <linux/module.h> |
29d28064 | 19 | #include <linux/mutex.h> |
6591d758 | 20 | #include <linux/power_supply.h> |
23c063cb | 21 | #include <linux/spinlock.h> |
02fb72a0 | 22 | #include "hid-ids.h" |
fb51b443 | 23 | |
b22e00f3 | 24 | #define WIIMOTE_VERSION "0.2" |
fb51b443 | 25 | #define WIIMOTE_NAME "Nintendo Wii Remote" |
23c063cb DH |
26 | #define WIIMOTE_BUFSIZE 32 |
27 | ||
28 | struct wiimote_buf { | |
29 | __u8 data[HID_MAX_BUFFER_SIZE]; | |
30 | size_t size; | |
31 | }; | |
fb51b443 | 32 | |
32a0d9a5 DH |
33 | struct wiimote_state { |
34 | spinlock_t lock; | |
35 | __u8 flags; | |
efcf9188 | 36 | __u8 accel_split[2]; |
29d28064 DH |
37 | |
38 | /* synchronous cmd requests */ | |
39 | struct mutex sync; | |
40 | struct completion ready; | |
41 | int cmd; | |
42 | __u32 opt; | |
33e84013 DH |
43 | |
44 | /* results of synchronous requests */ | |
e3979a91 | 45 | __u8 cmd_battery; |
33e84013 | 46 | __u8 cmd_err; |
32a0d9a5 DH |
47 | }; |
48 | ||
e894d0e3 DH |
49 | struct wiimote_data { |
50 | struct hid_device *hdev; | |
672bc4e0 | 51 | struct input_dev *input; |
23a5a4a3 | 52 | struct led_classdev *leds[4]; |
98a558ae | 53 | struct input_dev *accel; |
f363e4f6 | 54 | struct input_dev *ir; |
6591d758 | 55 | struct power_supply battery; |
23c063cb DH |
56 | |
57 | spinlock_t qlock; | |
58 | __u8 head; | |
59 | __u8 tail; | |
60 | struct wiimote_buf outq[WIIMOTE_BUFSIZE]; | |
61 | struct work_struct worker; | |
32a0d9a5 DH |
62 | |
63 | struct wiimote_state state; | |
e894d0e3 DH |
64 | }; |
65 | ||
c003ec21 DH |
66 | #define WIIPROTO_FLAG_LED1 0x01 |
67 | #define WIIPROTO_FLAG_LED2 0x02 | |
68 | #define WIIPROTO_FLAG_LED3 0x04 | |
69 | #define WIIPROTO_FLAG_LED4 0x08 | |
70 | #define WIIPROTO_FLAG_RUMBLE 0x10 | |
98a558ae | 71 | #define WIIPROTO_FLAG_ACCEL 0x20 |
f363e4f6 DH |
72 | #define WIIPROTO_FLAG_IR_BASIC 0x40 |
73 | #define WIIPROTO_FLAG_IR_EXT 0x80 | |
74 | #define WIIPROTO_FLAG_IR_FULL 0xc0 /* IR_BASIC | IR_EXT */ | |
32a0d9a5 DH |
75 | #define WIIPROTO_FLAGS_LEDS (WIIPROTO_FLAG_LED1 | WIIPROTO_FLAG_LED2 | \ |
76 | WIIPROTO_FLAG_LED3 | WIIPROTO_FLAG_LED4) | |
f363e4f6 DH |
77 | #define WIIPROTO_FLAGS_IR (WIIPROTO_FLAG_IR_BASIC | WIIPROTO_FLAG_IR_EXT | \ |
78 | WIIPROTO_FLAG_IR_FULL) | |
db308346 | 79 | |
23a5a4a3 DH |
80 | /* return flag for led \num */ |
81 | #define WIIPROTO_FLAG_LED(num) (WIIPROTO_FLAG_LED1 << (num - 1)) | |
82 | ||
1abb9ad3 | 83 | enum wiiproto_reqs { |
2cb5e4bc | 84 | WIIPROTO_REQ_NULL = 0x0, |
c003ec21 | 85 | WIIPROTO_REQ_RUMBLE = 0x10, |
db308346 | 86 | WIIPROTO_REQ_LED = 0x11, |
2cb5e4bc | 87 | WIIPROTO_REQ_DRM = 0x12, |
fc221cda | 88 | WIIPROTO_REQ_IR1 = 0x13, |
e3979a91 | 89 | WIIPROTO_REQ_SREQ = 0x15, |
be1ecd62 DH |
90 | WIIPROTO_REQ_WMEM = 0x16, |
91 | WIIPROTO_REQ_RMEM = 0x17, | |
fc221cda | 92 | WIIPROTO_REQ_IR2 = 0x1a, |
c87019e4 | 93 | WIIPROTO_REQ_STATUS = 0x20, |
be1ecd62 | 94 | WIIPROTO_REQ_DATA = 0x21, |
c87019e4 | 95 | WIIPROTO_REQ_RETURN = 0x22, |
1abb9ad3 | 96 | WIIPROTO_REQ_DRM_K = 0x30, |
efcf9188 | 97 | WIIPROTO_REQ_DRM_KA = 0x31, |
7336b9f9 | 98 | WIIPROTO_REQ_DRM_KE = 0x32, |
efcf9188 | 99 | WIIPROTO_REQ_DRM_KAI = 0x33, |
7336b9f9 | 100 | WIIPROTO_REQ_DRM_KEE = 0x34, |
efcf9188 | 101 | WIIPROTO_REQ_DRM_KAE = 0x35, |
f363e4f6 | 102 | WIIPROTO_REQ_DRM_KIE = 0x36, |
efcf9188 | 103 | WIIPROTO_REQ_DRM_KAIE = 0x37, |
7336b9f9 | 104 | WIIPROTO_REQ_DRM_E = 0x3d, |
efcf9188 DH |
105 | WIIPROTO_REQ_DRM_SKAI1 = 0x3e, |
106 | WIIPROTO_REQ_DRM_SKAI2 = 0x3f, | |
1abb9ad3 DH |
107 | }; |
108 | ||
109 | enum wiiproto_keys { | |
110 | WIIPROTO_KEY_LEFT, | |
111 | WIIPROTO_KEY_RIGHT, | |
112 | WIIPROTO_KEY_UP, | |
113 | WIIPROTO_KEY_DOWN, | |
114 | WIIPROTO_KEY_PLUS, | |
115 | WIIPROTO_KEY_MINUS, | |
116 | WIIPROTO_KEY_ONE, | |
117 | WIIPROTO_KEY_TWO, | |
118 | WIIPROTO_KEY_A, | |
119 | WIIPROTO_KEY_B, | |
120 | WIIPROTO_KEY_HOME, | |
121 | WIIPROTO_KEY_COUNT | |
122 | }; | |
123 | ||
124 | static __u16 wiiproto_keymap[] = { | |
125 | KEY_LEFT, /* WIIPROTO_KEY_LEFT */ | |
126 | KEY_RIGHT, /* WIIPROTO_KEY_RIGHT */ | |
127 | KEY_UP, /* WIIPROTO_KEY_UP */ | |
128 | KEY_DOWN, /* WIIPROTO_KEY_DOWN */ | |
129 | KEY_NEXT, /* WIIPROTO_KEY_PLUS */ | |
130 | KEY_PREVIOUS, /* WIIPROTO_KEY_MINUS */ | |
131 | BTN_1, /* WIIPROTO_KEY_ONE */ | |
132 | BTN_2, /* WIIPROTO_KEY_TWO */ | |
133 | BTN_A, /* WIIPROTO_KEY_A */ | |
134 | BTN_B, /* WIIPROTO_KEY_B */ | |
135 | BTN_MODE, /* WIIPROTO_KEY_HOME */ | |
136 | }; | |
137 | ||
6591d758 DH |
138 | static enum power_supply_property wiimote_battery_props[] = { |
139 | POWER_SUPPLY_PROP_CAPACITY | |
140 | }; | |
141 | ||
29d28064 DH |
142 | /* requires the state.lock spinlock to be held */ |
143 | static inline bool wiimote_cmd_pending(struct wiimote_data *wdata, int cmd, | |
144 | __u32 opt) | |
145 | { | |
146 | return wdata->state.cmd == cmd && wdata->state.opt == opt; | |
147 | } | |
148 | ||
149 | /* requires the state.lock spinlock to be held */ | |
150 | static inline void wiimote_cmd_complete(struct wiimote_data *wdata) | |
151 | { | |
152 | wdata->state.cmd = WIIPROTO_REQ_NULL; | |
153 | complete(&wdata->state.ready); | |
154 | } | |
155 | ||
156 | static inline int wiimote_cmd_acquire(struct wiimote_data *wdata) | |
157 | { | |
158 | return mutex_lock_interruptible(&wdata->state.sync) ? -ERESTARTSYS : 0; | |
159 | } | |
160 | ||
161 | /* requires the state.lock spinlock to be held */ | |
162 | static inline void wiimote_cmd_set(struct wiimote_data *wdata, int cmd, | |
163 | __u32 opt) | |
164 | { | |
165 | INIT_COMPLETION(wdata->state.ready); | |
166 | wdata->state.cmd = cmd; | |
167 | wdata->state.opt = opt; | |
168 | } | |
169 | ||
170 | static inline void wiimote_cmd_release(struct wiimote_data *wdata) | |
171 | { | |
172 | mutex_unlock(&wdata->state.sync); | |
173 | } | |
174 | ||
175 | static inline int wiimote_cmd_wait(struct wiimote_data *wdata) | |
176 | { | |
177 | int ret; | |
178 | ||
179 | ret = wait_for_completion_interruptible_timeout(&wdata->state.ready, HZ); | |
180 | if (ret < 0) | |
181 | return -ERESTARTSYS; | |
182 | else if (ret == 0) | |
183 | return -EIO; | |
184 | else | |
185 | return 0; | |
186 | } | |
187 | ||
0c218f14 DH |
188 | static ssize_t wiimote_hid_send(struct hid_device *hdev, __u8 *buffer, |
189 | size_t count) | |
190 | { | |
191 | __u8 *buf; | |
192 | ssize_t ret; | |
193 | ||
194 | if (!hdev->hid_output_raw_report) | |
195 | return -ENODEV; | |
196 | ||
197 | buf = kmemdup(buffer, count, GFP_KERNEL); | |
198 | if (!buf) | |
199 | return -ENOMEM; | |
200 | ||
201 | ret = hdev->hid_output_raw_report(hdev, buf, count, HID_OUTPUT_REPORT); | |
202 | ||
203 | kfree(buf); | |
204 | return ret; | |
205 | } | |
206 | ||
23c063cb DH |
207 | static void wiimote_worker(struct work_struct *work) |
208 | { | |
209 | struct wiimote_data *wdata = container_of(work, struct wiimote_data, | |
210 | worker); | |
211 | unsigned long flags; | |
212 | ||
213 | spin_lock_irqsave(&wdata->qlock, flags); | |
214 | ||
215 | while (wdata->head != wdata->tail) { | |
216 | spin_unlock_irqrestore(&wdata->qlock, flags); | |
217 | wiimote_hid_send(wdata->hdev, wdata->outq[wdata->tail].data, | |
218 | wdata->outq[wdata->tail].size); | |
219 | spin_lock_irqsave(&wdata->qlock, flags); | |
220 | ||
221 | wdata->tail = (wdata->tail + 1) % WIIMOTE_BUFSIZE; | |
222 | } | |
223 | ||
224 | spin_unlock_irqrestore(&wdata->qlock, flags); | |
225 | } | |
226 | ||
227 | static void wiimote_queue(struct wiimote_data *wdata, const __u8 *buffer, | |
228 | size_t count) | |
229 | { | |
230 | unsigned long flags; | |
231 | __u8 newhead; | |
232 | ||
233 | if (count > HID_MAX_BUFFER_SIZE) { | |
234 | hid_warn(wdata->hdev, "Sending too large output report\n"); | |
235 | return; | |
236 | } | |
237 | ||
238 | /* | |
239 | * Copy new request into our output queue and check whether the | |
240 | * queue is full. If it is full, discard this request. | |
241 | * If it is empty we need to start a new worker that will | |
242 | * send out the buffer to the hid device. | |
243 | * If the queue is not empty, then there must be a worker | |
244 | * that is currently sending out our buffer and this worker | |
245 | * will reschedule itself until the queue is empty. | |
246 | */ | |
247 | ||
248 | spin_lock_irqsave(&wdata->qlock, flags); | |
249 | ||
250 | memcpy(wdata->outq[wdata->head].data, buffer, count); | |
251 | wdata->outq[wdata->head].size = count; | |
252 | newhead = (wdata->head + 1) % WIIMOTE_BUFSIZE; | |
253 | ||
254 | if (wdata->head == wdata->tail) { | |
255 | wdata->head = newhead; | |
256 | schedule_work(&wdata->worker); | |
257 | } else if (newhead != wdata->tail) { | |
258 | wdata->head = newhead; | |
259 | } else { | |
260 | hid_warn(wdata->hdev, "Output queue is full"); | |
261 | } | |
262 | ||
263 | spin_unlock_irqrestore(&wdata->qlock, flags); | |
264 | } | |
265 | ||
c003ec21 DH |
266 | /* |
267 | * This sets the rumble bit on the given output report if rumble is | |
268 | * currently enabled. | |
269 | * \cmd1 must point to the second byte in the output report => &cmd[1] | |
270 | * This must be called on nearly every output report before passing it | |
271 | * into the output queue! | |
272 | */ | |
273 | static inline void wiiproto_keep_rumble(struct wiimote_data *wdata, __u8 *cmd1) | |
274 | { | |
275 | if (wdata->state.flags & WIIPROTO_FLAG_RUMBLE) | |
276 | *cmd1 |= 0x01; | |
277 | } | |
278 | ||
279 | static void wiiproto_req_rumble(struct wiimote_data *wdata, __u8 rumble) | |
280 | { | |
281 | __u8 cmd[2]; | |
282 | ||
283 | rumble = !!rumble; | |
284 | if (rumble == !!(wdata->state.flags & WIIPROTO_FLAG_RUMBLE)) | |
285 | return; | |
286 | ||
287 | if (rumble) | |
288 | wdata->state.flags |= WIIPROTO_FLAG_RUMBLE; | |
289 | else | |
290 | wdata->state.flags &= ~WIIPROTO_FLAG_RUMBLE; | |
291 | ||
292 | cmd[0] = WIIPROTO_REQ_RUMBLE; | |
293 | cmd[1] = 0; | |
294 | ||
295 | wiiproto_keep_rumble(wdata, &cmd[1]); | |
296 | wiimote_queue(wdata, cmd, sizeof(cmd)); | |
297 | } | |
298 | ||
db308346 DH |
299 | static void wiiproto_req_leds(struct wiimote_data *wdata, int leds) |
300 | { | |
301 | __u8 cmd[2]; | |
302 | ||
32a0d9a5 DH |
303 | leds &= WIIPROTO_FLAGS_LEDS; |
304 | if ((wdata->state.flags & WIIPROTO_FLAGS_LEDS) == leds) | |
305 | return; | |
306 | wdata->state.flags = (wdata->state.flags & ~WIIPROTO_FLAGS_LEDS) | leds; | |
307 | ||
db308346 DH |
308 | cmd[0] = WIIPROTO_REQ_LED; |
309 | cmd[1] = 0; | |
310 | ||
311 | if (leds & WIIPROTO_FLAG_LED1) | |
312 | cmd[1] |= 0x10; | |
313 | if (leds & WIIPROTO_FLAG_LED2) | |
314 | cmd[1] |= 0x20; | |
315 | if (leds & WIIPROTO_FLAG_LED3) | |
316 | cmd[1] |= 0x40; | |
317 | if (leds & WIIPROTO_FLAG_LED4) | |
318 | cmd[1] |= 0x80; | |
319 | ||
c003ec21 | 320 | wiiproto_keep_rumble(wdata, &cmd[1]); |
db308346 DH |
321 | wiimote_queue(wdata, cmd, sizeof(cmd)); |
322 | } | |
323 | ||
2cb5e4bc DH |
324 | /* |
325 | * Check what peripherals of the wiimote are currently | |
326 | * active and select a proper DRM that supports all of | |
327 | * the requested data inputs. | |
328 | */ | |
329 | static __u8 select_drm(struct wiimote_data *wdata) | |
330 | { | |
f363e4f6 DH |
331 | __u8 ir = wdata->state.flags & WIIPROTO_FLAGS_IR; |
332 | ||
333 | if (ir == WIIPROTO_FLAG_IR_BASIC) { | |
334 | if (wdata->state.flags & WIIPROTO_FLAG_ACCEL) | |
335 | return WIIPROTO_REQ_DRM_KAIE; | |
336 | else | |
337 | return WIIPROTO_REQ_DRM_KIE; | |
338 | } else if (ir == WIIPROTO_FLAG_IR_EXT) { | |
339 | return WIIPROTO_REQ_DRM_KAI; | |
340 | } else if (ir == WIIPROTO_FLAG_IR_FULL) { | |
341 | return WIIPROTO_REQ_DRM_SKAI1; | |
342 | } else { | |
343 | if (wdata->state.flags & WIIPROTO_FLAG_ACCEL) | |
344 | return WIIPROTO_REQ_DRM_KA; | |
345 | else | |
346 | return WIIPROTO_REQ_DRM_K; | |
347 | } | |
2cb5e4bc DH |
348 | } |
349 | ||
350 | static void wiiproto_req_drm(struct wiimote_data *wdata, __u8 drm) | |
351 | { | |
352 | __u8 cmd[3]; | |
353 | ||
354 | if (drm == WIIPROTO_REQ_NULL) | |
355 | drm = select_drm(wdata); | |
356 | ||
357 | cmd[0] = WIIPROTO_REQ_DRM; | |
358 | cmd[1] = 0; | |
359 | cmd[2] = drm; | |
360 | ||
c003ec21 | 361 | wiiproto_keep_rumble(wdata, &cmd[1]); |
2cb5e4bc DH |
362 | wiimote_queue(wdata, cmd, sizeof(cmd)); |
363 | } | |
364 | ||
e3979a91 DH |
365 | static void wiiproto_req_status(struct wiimote_data *wdata) |
366 | { | |
367 | __u8 cmd[2]; | |
368 | ||
369 | cmd[0] = WIIPROTO_REQ_SREQ; | |
370 | cmd[1] = 0; | |
371 | ||
372 | wiiproto_keep_rumble(wdata, &cmd[1]); | |
373 | wiimote_queue(wdata, cmd, sizeof(cmd)); | |
374 | } | |
375 | ||
98a558ae DH |
376 | static void wiiproto_req_accel(struct wiimote_data *wdata, __u8 accel) |
377 | { | |
378 | accel = !!accel; | |
379 | if (accel == !!(wdata->state.flags & WIIPROTO_FLAG_ACCEL)) | |
380 | return; | |
381 | ||
382 | if (accel) | |
383 | wdata->state.flags |= WIIPROTO_FLAG_ACCEL; | |
384 | else | |
385 | wdata->state.flags &= ~WIIPROTO_FLAG_ACCEL; | |
386 | ||
387 | wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); | |
388 | } | |
389 | ||
fc221cda DH |
390 | static void wiiproto_req_ir1(struct wiimote_data *wdata, __u8 flags) |
391 | { | |
392 | __u8 cmd[2]; | |
393 | ||
394 | cmd[0] = WIIPROTO_REQ_IR1; | |
395 | cmd[1] = flags; | |
396 | ||
397 | wiiproto_keep_rumble(wdata, &cmd[1]); | |
398 | wiimote_queue(wdata, cmd, sizeof(cmd)); | |
399 | } | |
400 | ||
401 | static void wiiproto_req_ir2(struct wiimote_data *wdata, __u8 flags) | |
402 | { | |
403 | __u8 cmd[2]; | |
404 | ||
405 | cmd[0] = WIIPROTO_REQ_IR2; | |
406 | cmd[1] = flags; | |
407 | ||
408 | wiiproto_keep_rumble(wdata, &cmd[1]); | |
409 | wiimote_queue(wdata, cmd, sizeof(cmd)); | |
410 | } | |
411 | ||
be1ecd62 DH |
412 | #define wiiproto_req_wreg(wdata, os, buf, sz) \ |
413 | wiiproto_req_wmem((wdata), false, (os), (buf), (sz)) | |
414 | ||
415 | #define wiiproto_req_weeprom(wdata, os, buf, sz) \ | |
416 | wiiproto_req_wmem((wdata), true, (os), (buf), (sz)) | |
417 | ||
418 | static void wiiproto_req_wmem(struct wiimote_data *wdata, bool eeprom, | |
419 | __u32 offset, const __u8 *buf, __u8 size) | |
420 | { | |
421 | __u8 cmd[22]; | |
422 | ||
423 | if (size > 16 || size == 0) { | |
424 | hid_warn(wdata->hdev, "Invalid length %d wmem request\n", size); | |
425 | return; | |
426 | } | |
427 | ||
428 | memset(cmd, 0, sizeof(cmd)); | |
429 | cmd[0] = WIIPROTO_REQ_WMEM; | |
430 | cmd[2] = (offset >> 16) & 0xff; | |
431 | cmd[3] = (offset >> 8) & 0xff; | |
432 | cmd[4] = offset & 0xff; | |
433 | cmd[5] = size; | |
434 | memcpy(&cmd[6], buf, size); | |
435 | ||
436 | if (!eeprom) | |
437 | cmd[1] |= 0x04; | |
438 | ||
439 | wiiproto_keep_rumble(wdata, &cmd[1]); | |
440 | wiimote_queue(wdata, cmd, sizeof(cmd)); | |
441 | } | |
442 | ||
33e84013 DH |
443 | /* requries the cmd-mutex to be held */ |
444 | static int wiimote_cmd_write(struct wiimote_data *wdata, __u32 offset, | |
445 | const __u8 *wmem, __u8 size) | |
446 | { | |
447 | unsigned long flags; | |
448 | int ret; | |
449 | ||
450 | spin_lock_irqsave(&wdata->state.lock, flags); | |
451 | wiimote_cmd_set(wdata, WIIPROTO_REQ_WMEM, 0); | |
452 | wiiproto_req_wreg(wdata, offset, wmem, size); | |
453 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
454 | ||
455 | ret = wiimote_cmd_wait(wdata); | |
456 | if (!ret && wdata->state.cmd_err) | |
457 | ret = -EIO; | |
458 | ||
459 | return ret; | |
460 | } | |
461 | ||
6591d758 DH |
462 | static int wiimote_battery_get_property(struct power_supply *psy, |
463 | enum power_supply_property psp, | |
464 | union power_supply_propval *val) | |
465 | { | |
466 | struct wiimote_data *wdata = container_of(psy, | |
467 | struct wiimote_data, battery); | |
468 | int ret = 0, state; | |
469 | unsigned long flags; | |
470 | ||
471 | ret = wiimote_cmd_acquire(wdata); | |
472 | if (ret) | |
473 | return ret; | |
474 | ||
475 | spin_lock_irqsave(&wdata->state.lock, flags); | |
476 | wiimote_cmd_set(wdata, WIIPROTO_REQ_SREQ, 0); | |
477 | wiiproto_req_status(wdata); | |
478 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
479 | ||
480 | ret = wiimote_cmd_wait(wdata); | |
481 | state = wdata->state.cmd_battery; | |
482 | wiimote_cmd_release(wdata); | |
483 | ||
484 | if (ret) | |
485 | return ret; | |
486 | ||
487 | switch (psp) { | |
488 | case POWER_SUPPLY_PROP_CAPACITY: | |
489 | val->intval = state * 100 / 255; | |
490 | break; | |
491 | default: | |
492 | ret = -EINVAL; | |
493 | break; | |
494 | } | |
495 | ||
496 | return ret; | |
497 | } | |
498 | ||
fc221cda DH |
499 | static int wiimote_init_ir(struct wiimote_data *wdata, __u16 mode) |
500 | { | |
501 | int ret; | |
502 | unsigned long flags; | |
503 | __u8 format = 0; | |
504 | static const __u8 data_enable[] = { 0x01 }; | |
505 | static const __u8 data_sens1[] = { 0x02, 0x00, 0x00, 0x71, 0x01, | |
506 | 0x00, 0xaa, 0x00, 0x64 }; | |
507 | static const __u8 data_sens2[] = { 0x63, 0x03 }; | |
508 | static const __u8 data_fin[] = { 0x08 }; | |
509 | ||
510 | spin_lock_irqsave(&wdata->state.lock, flags); | |
511 | ||
512 | if (mode == (wdata->state.flags & WIIPROTO_FLAGS_IR)) { | |
513 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
514 | return 0; | |
515 | } | |
516 | ||
517 | if (mode == 0) { | |
518 | wdata->state.flags &= ~WIIPROTO_FLAGS_IR; | |
519 | wiiproto_req_ir1(wdata, 0); | |
520 | wiiproto_req_ir2(wdata, 0); | |
521 | wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); | |
522 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
523 | return 0; | |
524 | } | |
525 | ||
526 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
527 | ||
528 | ret = wiimote_cmd_acquire(wdata); | |
529 | if (ret) | |
530 | return ret; | |
531 | ||
532 | /* send PIXEL CLOCK ENABLE cmd first */ | |
533 | spin_lock_irqsave(&wdata->state.lock, flags); | |
534 | wiimote_cmd_set(wdata, WIIPROTO_REQ_IR1, 0); | |
535 | wiiproto_req_ir1(wdata, 0x06); | |
536 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
537 | ||
538 | ret = wiimote_cmd_wait(wdata); | |
539 | if (ret) | |
540 | goto unlock; | |
541 | if (wdata->state.cmd_err) { | |
542 | ret = -EIO; | |
543 | goto unlock; | |
544 | } | |
545 | ||
546 | /* enable IR LOGIC */ | |
547 | spin_lock_irqsave(&wdata->state.lock, flags); | |
548 | wiimote_cmd_set(wdata, WIIPROTO_REQ_IR2, 0); | |
549 | wiiproto_req_ir2(wdata, 0x06); | |
550 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
551 | ||
552 | ret = wiimote_cmd_wait(wdata); | |
553 | if (ret) | |
554 | goto unlock; | |
555 | if (wdata->state.cmd_err) { | |
556 | ret = -EIO; | |
557 | goto unlock; | |
558 | } | |
559 | ||
560 | /* enable IR cam but do not make it send data, yet */ | |
561 | ret = wiimote_cmd_write(wdata, 0xb00030, data_enable, | |
562 | sizeof(data_enable)); | |
563 | if (ret) | |
564 | goto unlock; | |
565 | ||
566 | /* write first sensitivity block */ | |
567 | ret = wiimote_cmd_write(wdata, 0xb00000, data_sens1, | |
568 | sizeof(data_sens1)); | |
569 | if (ret) | |
570 | goto unlock; | |
571 | ||
572 | /* write second sensitivity block */ | |
573 | ret = wiimote_cmd_write(wdata, 0xb0001a, data_sens2, | |
574 | sizeof(data_sens2)); | |
575 | if (ret) | |
576 | goto unlock; | |
577 | ||
578 | /* put IR cam into desired state */ | |
579 | switch (mode) { | |
580 | case WIIPROTO_FLAG_IR_FULL: | |
581 | format = 5; | |
582 | break; | |
583 | case WIIPROTO_FLAG_IR_EXT: | |
584 | format = 3; | |
585 | break; | |
586 | case WIIPROTO_FLAG_IR_BASIC: | |
587 | format = 1; | |
588 | break; | |
589 | } | |
590 | ret = wiimote_cmd_write(wdata, 0xb00033, &format, sizeof(format)); | |
591 | if (ret) | |
592 | goto unlock; | |
593 | ||
594 | /* make IR cam send data */ | |
595 | ret = wiimote_cmd_write(wdata, 0xb00030, data_fin, sizeof(data_fin)); | |
596 | if (ret) | |
597 | goto unlock; | |
598 | ||
599 | /* request new DRM mode compatible to IR mode */ | |
600 | spin_lock_irqsave(&wdata->state.lock, flags); | |
601 | wdata->state.flags &= ~WIIPROTO_FLAGS_IR; | |
602 | wdata->state.flags |= mode & WIIPROTO_FLAGS_IR; | |
603 | wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); | |
604 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
605 | ||
606 | unlock: | |
607 | wiimote_cmd_release(wdata); | |
608 | return ret; | |
609 | } | |
610 | ||
23a5a4a3 DH |
611 | static enum led_brightness wiimote_leds_get(struct led_classdev *led_dev) |
612 | { | |
613 | struct wiimote_data *wdata; | |
614 | struct device *dev = led_dev->dev->parent; | |
615 | int i; | |
616 | unsigned long flags; | |
617 | bool value = false; | |
618 | ||
619 | wdata = hid_get_drvdata(container_of(dev, struct hid_device, dev)); | |
620 | ||
621 | for (i = 0; i < 4; ++i) { | |
622 | if (wdata->leds[i] == led_dev) { | |
623 | spin_lock_irqsave(&wdata->state.lock, flags); | |
624 | value = wdata->state.flags & WIIPROTO_FLAG_LED(i + 1); | |
625 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
626 | break; | |
627 | } | |
628 | } | |
629 | ||
630 | return value ? LED_FULL : LED_OFF; | |
631 | } | |
632 | ||
633 | static void wiimote_leds_set(struct led_classdev *led_dev, | |
634 | enum led_brightness value) | |
635 | { | |
636 | struct wiimote_data *wdata; | |
637 | struct device *dev = led_dev->dev->parent; | |
638 | int i; | |
639 | unsigned long flags; | |
640 | __u8 state, flag; | |
641 | ||
642 | wdata = hid_get_drvdata(container_of(dev, struct hid_device, dev)); | |
643 | ||
644 | for (i = 0; i < 4; ++i) { | |
645 | if (wdata->leds[i] == led_dev) { | |
646 | flag = WIIPROTO_FLAG_LED(i + 1); | |
647 | spin_lock_irqsave(&wdata->state.lock, flags); | |
648 | state = wdata->state.flags; | |
649 | if (value == LED_OFF) | |
650 | wiiproto_req_leds(wdata, state & ~flag); | |
651 | else | |
652 | wiiproto_req_leds(wdata, state | flag); | |
653 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
654 | break; | |
655 | } | |
656 | } | |
657 | } | |
3c1c2fce | 658 | |
d020be92 DH |
659 | static int wiimote_ff_play(struct input_dev *dev, void *data, |
660 | struct ff_effect *eff) | |
672bc4e0 | 661 | { |
d020be92 DH |
662 | struct wiimote_data *wdata = input_get_drvdata(dev); |
663 | __u8 value; | |
664 | unsigned long flags; | |
665 | ||
666 | /* | |
667 | * The wiimote supports only a single rumble motor so if any magnitude | |
668 | * is set to non-zero then we start the rumble motor. If both are set to | |
669 | * zero, we stop the rumble motor. | |
670 | */ | |
671 | ||
672 | if (eff->u.rumble.strong_magnitude || eff->u.rumble.weak_magnitude) | |
673 | value = 1; | |
674 | else | |
675 | value = 0; | |
676 | ||
677 | spin_lock_irqsave(&wdata->state.lock, flags); | |
678 | wiiproto_req_rumble(wdata, value); | |
679 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
680 | ||
672bc4e0 DH |
681 | return 0; |
682 | } | |
683 | ||
26af1748 DH |
684 | static int wiimote_input_open(struct input_dev *dev) |
685 | { | |
686 | struct wiimote_data *wdata = input_get_drvdata(dev); | |
687 | ||
688 | return hid_hw_open(wdata->hdev); | |
689 | } | |
690 | ||
691 | static void wiimote_input_close(struct input_dev *dev) | |
692 | { | |
693 | struct wiimote_data *wdata = input_get_drvdata(dev); | |
694 | ||
695 | hid_hw_close(wdata->hdev); | |
696 | } | |
697 | ||
98a558ae DH |
698 | static int wiimote_accel_open(struct input_dev *dev) |
699 | { | |
700 | struct wiimote_data *wdata = input_get_drvdata(dev); | |
701 | int ret; | |
702 | unsigned long flags; | |
703 | ||
704 | ret = hid_hw_open(wdata->hdev); | |
705 | if (ret) | |
706 | return ret; | |
707 | ||
708 | spin_lock_irqsave(&wdata->state.lock, flags); | |
709 | wiiproto_req_accel(wdata, true); | |
710 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
711 | ||
712 | return 0; | |
713 | } | |
714 | ||
715 | static void wiimote_accel_close(struct input_dev *dev) | |
716 | { | |
717 | struct wiimote_data *wdata = input_get_drvdata(dev); | |
718 | unsigned long flags; | |
719 | ||
720 | spin_lock_irqsave(&wdata->state.lock, flags); | |
721 | wiiproto_req_accel(wdata, false); | |
722 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
723 | ||
724 | hid_hw_close(wdata->hdev); | |
725 | } | |
726 | ||
0370d7cb DH |
727 | static int wiimote_ir_open(struct input_dev *dev) |
728 | { | |
729 | struct wiimote_data *wdata = input_get_drvdata(dev); | |
730 | int ret; | |
731 | ||
732 | ret = hid_hw_open(wdata->hdev); | |
733 | if (ret) | |
734 | return ret; | |
735 | ||
736 | ret = wiimote_init_ir(wdata, WIIPROTO_FLAG_IR_BASIC); | |
737 | if (ret) { | |
738 | hid_hw_close(wdata->hdev); | |
739 | return ret; | |
740 | } | |
741 | ||
742 | return 0; | |
743 | } | |
744 | ||
745 | static void wiimote_ir_close(struct input_dev *dev) | |
746 | { | |
747 | struct wiimote_data *wdata = input_get_drvdata(dev); | |
748 | ||
749 | wiimote_init_ir(wdata, 0); | |
750 | hid_hw_close(wdata->hdev); | |
751 | } | |
752 | ||
1abb9ad3 DH |
753 | static void handler_keys(struct wiimote_data *wdata, const __u8 *payload) |
754 | { | |
755 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_LEFT], | |
756 | !!(payload[0] & 0x01)); | |
757 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_RIGHT], | |
758 | !!(payload[0] & 0x02)); | |
759 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_DOWN], | |
760 | !!(payload[0] & 0x04)); | |
761 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_UP], | |
762 | !!(payload[0] & 0x08)); | |
763 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_PLUS], | |
764 | !!(payload[0] & 0x10)); | |
765 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_TWO], | |
766 | !!(payload[1] & 0x01)); | |
767 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_ONE], | |
768 | !!(payload[1] & 0x02)); | |
769 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_B], | |
770 | !!(payload[1] & 0x04)); | |
771 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_A], | |
772 | !!(payload[1] & 0x08)); | |
773 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_MINUS], | |
774 | !!(payload[1] & 0x10)); | |
775 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_HOME], | |
776 | !!(payload[1] & 0x80)); | |
777 | input_sync(wdata->input); | |
778 | } | |
779 | ||
efcf9188 DH |
780 | static void handler_accel(struct wiimote_data *wdata, const __u8 *payload) |
781 | { | |
782 | __u16 x, y, z; | |
783 | ||
784 | if (!(wdata->state.flags & WIIPROTO_FLAG_ACCEL)) | |
785 | return; | |
786 | ||
787 | /* | |
788 | * payload is: BB BB XX YY ZZ | |
789 | * Accelerometer data is encoded into 3 10bit values. XX, YY and ZZ | |
790 | * contain the upper 8 bits of each value. The lower 2 bits are | |
791 | * contained in the buttons data BB BB. | |
792 | * Bits 6 and 7 of the first buttons byte BB is the lower 2 bits of the | |
793 | * X accel value. Bit 5 of the second buttons byte is the 2nd bit of Y | |
794 | * accel value and bit 6 is the second bit of the Z value. | |
795 | * The first bit of Y and Z values is not available and always set to 0. | |
796 | * 0x200 is returned on no movement. | |
797 | */ | |
798 | ||
799 | x = payload[2] << 2; | |
800 | y = payload[3] << 2; | |
801 | z = payload[4] << 2; | |
802 | ||
803 | x |= (payload[0] >> 5) & 0x3; | |
804 | y |= (payload[1] >> 4) & 0x2; | |
805 | z |= (payload[1] >> 5) & 0x2; | |
806 | ||
807 | input_report_abs(wdata->accel, ABS_RX, x - 0x200); | |
808 | input_report_abs(wdata->accel, ABS_RY, y - 0x200); | |
809 | input_report_abs(wdata->accel, ABS_RZ, z - 0x200); | |
810 | input_sync(wdata->accel); | |
811 | } | |
812 | ||
eac39e7e DH |
813 | #define ir_to_input0(wdata, ir, packed) __ir_to_input((wdata), (ir), (packed), \ |
814 | ABS_HAT0X, ABS_HAT0Y) | |
815 | #define ir_to_input1(wdata, ir, packed) __ir_to_input((wdata), (ir), (packed), \ | |
816 | ABS_HAT1X, ABS_HAT1Y) | |
817 | #define ir_to_input2(wdata, ir, packed) __ir_to_input((wdata), (ir), (packed), \ | |
818 | ABS_HAT2X, ABS_HAT2Y) | |
819 | #define ir_to_input3(wdata, ir, packed) __ir_to_input((wdata), (ir), (packed), \ | |
820 | ABS_HAT3X, ABS_HAT3Y) | |
821 | ||
822 | static void __ir_to_input(struct wiimote_data *wdata, const __u8 *ir, | |
823 | bool packed, __u8 xid, __u8 yid) | |
824 | { | |
825 | __u16 x, y; | |
826 | ||
827 | if (!(wdata->state.flags & WIIPROTO_FLAGS_IR)) | |
828 | return; | |
829 | ||
830 | /* | |
831 | * Basic IR data is encoded into 3 bytes. The first two bytes are the | |
832 | * upper 8 bit of the X/Y data, the 3rd byte contains the lower 2 bits | |
833 | * of both. | |
834 | * If data is packed, then the 3rd byte is put first and slightly | |
835 | * reordered. This allows to interleave packed and non-packed data to | |
836 | * have two IR sets in 5 bytes instead of 6. | |
837 | * The resulting 10bit X/Y values are passed to the ABS_HATXY input dev. | |
838 | */ | |
839 | ||
840 | if (packed) { | |
841 | x = ir[1] << 2; | |
842 | y = ir[2] << 2; | |
843 | ||
844 | x |= ir[0] & 0x3; | |
845 | y |= (ir[0] >> 2) & 0x3; | |
846 | } else { | |
847 | x = ir[0] << 2; | |
848 | y = ir[1] << 2; | |
849 | ||
850 | x |= (ir[2] >> 4) & 0x3; | |
851 | y |= (ir[2] >> 6) & 0x3; | |
852 | } | |
853 | ||
854 | input_report_abs(wdata->ir, xid, x); | |
855 | input_report_abs(wdata->ir, yid, y); | |
856 | } | |
efcf9188 | 857 | |
c87019e4 DH |
858 | static void handler_status(struct wiimote_data *wdata, const __u8 *payload) |
859 | { | |
860 | handler_keys(wdata, payload); | |
861 | ||
862 | /* on status reports the drm is reset so we need to resend the drm */ | |
863 | wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); | |
e3979a91 DH |
864 | |
865 | if (wiimote_cmd_pending(wdata, WIIPROTO_REQ_SREQ, 0)) { | |
866 | wdata->state.cmd_battery = payload[5]; | |
867 | wiimote_cmd_complete(wdata); | |
868 | } | |
c87019e4 DH |
869 | } |
870 | ||
be1ecd62 DH |
871 | static void handler_data(struct wiimote_data *wdata, const __u8 *payload) |
872 | { | |
873 | handler_keys(wdata, payload); | |
874 | } | |
875 | ||
c87019e4 DH |
876 | static void handler_return(struct wiimote_data *wdata, const __u8 *payload) |
877 | { | |
878 | __u8 err = payload[3]; | |
879 | __u8 cmd = payload[2]; | |
880 | ||
881 | handler_keys(wdata, payload); | |
882 | ||
33e84013 DH |
883 | if (wiimote_cmd_pending(wdata, cmd, 0)) { |
884 | wdata->state.cmd_err = err; | |
885 | wiimote_cmd_complete(wdata); | |
886 | } else if (err) { | |
c87019e4 DH |
887 | hid_warn(wdata->hdev, "Remote error %hhu on req %hhu\n", err, |
888 | cmd); | |
33e84013 | 889 | } |
c87019e4 DH |
890 | } |
891 | ||
efcf9188 DH |
892 | static void handler_drm_KA(struct wiimote_data *wdata, const __u8 *payload) |
893 | { | |
894 | handler_keys(wdata, payload); | |
895 | handler_accel(wdata, payload); | |
896 | } | |
897 | ||
7336b9f9 DH |
898 | static void handler_drm_KE(struct wiimote_data *wdata, const __u8 *payload) |
899 | { | |
900 | handler_keys(wdata, payload); | |
901 | } | |
902 | ||
efcf9188 DH |
903 | static void handler_drm_KAI(struct wiimote_data *wdata, const __u8 *payload) |
904 | { | |
905 | handler_keys(wdata, payload); | |
906 | handler_accel(wdata, payload); | |
eac39e7e DH |
907 | ir_to_input0(wdata, &payload[5], false); |
908 | ir_to_input1(wdata, &payload[8], false); | |
909 | ir_to_input2(wdata, &payload[11], false); | |
910 | ir_to_input3(wdata, &payload[14], false); | |
911 | input_sync(wdata->ir); | |
912 | } | |
913 | ||
7336b9f9 DH |
914 | static void handler_drm_KEE(struct wiimote_data *wdata, const __u8 *payload) |
915 | { | |
916 | handler_keys(wdata, payload); | |
917 | } | |
918 | ||
eac39e7e DH |
919 | static void handler_drm_KIE(struct wiimote_data *wdata, const __u8 *payload) |
920 | { | |
921 | handler_keys(wdata, payload); | |
922 | ir_to_input0(wdata, &payload[2], false); | |
923 | ir_to_input1(wdata, &payload[4], true); | |
924 | ir_to_input2(wdata, &payload[7], false); | |
925 | ir_to_input3(wdata, &payload[9], true); | |
926 | input_sync(wdata->ir); | |
efcf9188 DH |
927 | } |
928 | ||
929 | static void handler_drm_KAE(struct wiimote_data *wdata, const __u8 *payload) | |
930 | { | |
931 | handler_keys(wdata, payload); | |
932 | handler_accel(wdata, payload); | |
933 | } | |
934 | ||
935 | static void handler_drm_KAIE(struct wiimote_data *wdata, const __u8 *payload) | |
936 | { | |
937 | handler_keys(wdata, payload); | |
938 | handler_accel(wdata, payload); | |
eac39e7e DH |
939 | ir_to_input0(wdata, &payload[5], false); |
940 | ir_to_input1(wdata, &payload[7], true); | |
941 | ir_to_input2(wdata, &payload[10], false); | |
942 | ir_to_input3(wdata, &payload[12], true); | |
943 | input_sync(wdata->ir); | |
efcf9188 DH |
944 | } |
945 | ||
7336b9f9 DH |
946 | static void handler_drm_E(struct wiimote_data *wdata, const __u8 *payload) |
947 | { | |
948 | } | |
949 | ||
efcf9188 DH |
950 | static void handler_drm_SKAI1(struct wiimote_data *wdata, const __u8 *payload) |
951 | { | |
952 | handler_keys(wdata, payload); | |
953 | ||
954 | wdata->state.accel_split[0] = payload[2]; | |
955 | wdata->state.accel_split[1] = (payload[0] >> 1) & (0x10 | 0x20); | |
956 | wdata->state.accel_split[1] |= (payload[1] << 1) & (0x40 | 0x80); | |
eac39e7e DH |
957 | |
958 | ir_to_input0(wdata, &payload[3], false); | |
959 | ir_to_input1(wdata, &payload[12], false); | |
960 | input_sync(wdata->ir); | |
efcf9188 DH |
961 | } |
962 | ||
963 | static void handler_drm_SKAI2(struct wiimote_data *wdata, const __u8 *payload) | |
964 | { | |
965 | __u8 buf[5]; | |
966 | ||
967 | handler_keys(wdata, payload); | |
968 | ||
969 | wdata->state.accel_split[1] |= (payload[0] >> 5) & (0x01 | 0x02); | |
970 | wdata->state.accel_split[1] |= (payload[1] >> 3) & (0x04 | 0x08); | |
971 | ||
972 | buf[0] = 0; | |
973 | buf[1] = 0; | |
974 | buf[2] = wdata->state.accel_split[0]; | |
975 | buf[3] = payload[2]; | |
976 | buf[4] = wdata->state.accel_split[1]; | |
977 | handler_accel(wdata, buf); | |
eac39e7e DH |
978 | |
979 | ir_to_input2(wdata, &payload[3], false); | |
980 | ir_to_input3(wdata, &payload[12], false); | |
981 | input_sync(wdata->ir); | |
efcf9188 DH |
982 | } |
983 | ||
a4d19197 DH |
984 | struct wiiproto_handler { |
985 | __u8 id; | |
986 | size_t size; | |
987 | void (*func)(struct wiimote_data *wdata, const __u8 *payload); | |
988 | }; | |
989 | ||
990 | static struct wiiproto_handler handlers[] = { | |
c87019e4 | 991 | { .id = WIIPROTO_REQ_STATUS, .size = 6, .func = handler_status }, |
be1ecd62 | 992 | { .id = WIIPROTO_REQ_DATA, .size = 21, .func = handler_data }, |
c87019e4 | 993 | { .id = WIIPROTO_REQ_RETURN, .size = 4, .func = handler_return }, |
1abb9ad3 | 994 | { .id = WIIPROTO_REQ_DRM_K, .size = 2, .func = handler_keys }, |
efcf9188 | 995 | { .id = WIIPROTO_REQ_DRM_KA, .size = 5, .func = handler_drm_KA }, |
7336b9f9 | 996 | { .id = WIIPROTO_REQ_DRM_KE, .size = 10, .func = handler_drm_KE }, |
efcf9188 | 997 | { .id = WIIPROTO_REQ_DRM_KAI, .size = 17, .func = handler_drm_KAI }, |
7336b9f9 | 998 | { .id = WIIPROTO_REQ_DRM_KEE, .size = 21, .func = handler_drm_KEE }, |
efcf9188 | 999 | { .id = WIIPROTO_REQ_DRM_KAE, .size = 21, .func = handler_drm_KAE }, |
eac39e7e | 1000 | { .id = WIIPROTO_REQ_DRM_KIE, .size = 21, .func = handler_drm_KIE }, |
efcf9188 | 1001 | { .id = WIIPROTO_REQ_DRM_KAIE, .size = 21, .func = handler_drm_KAIE }, |
7336b9f9 | 1002 | { .id = WIIPROTO_REQ_DRM_E, .size = 21, .func = handler_drm_E }, |
efcf9188 DH |
1003 | { .id = WIIPROTO_REQ_DRM_SKAI1, .size = 21, .func = handler_drm_SKAI1 }, |
1004 | { .id = WIIPROTO_REQ_DRM_SKAI2, .size = 21, .func = handler_drm_SKAI2 }, | |
a4d19197 DH |
1005 | { .id = 0 } |
1006 | }; | |
1007 | ||
02fb72a0 DH |
1008 | static int wiimote_hid_event(struct hid_device *hdev, struct hid_report *report, |
1009 | u8 *raw_data, int size) | |
1010 | { | |
4d36e975 | 1011 | struct wiimote_data *wdata = hid_get_drvdata(hdev); |
a4d19197 DH |
1012 | struct wiiproto_handler *h; |
1013 | int i; | |
32a0d9a5 | 1014 | unsigned long flags; |
7336b9f9 | 1015 | bool handled = false; |
4d36e975 | 1016 | |
02fb72a0 DH |
1017 | if (size < 1) |
1018 | return -EINVAL; | |
1019 | ||
32a0d9a5 DH |
1020 | spin_lock_irqsave(&wdata->state.lock, flags); |
1021 | ||
a4d19197 DH |
1022 | for (i = 0; handlers[i].id; ++i) { |
1023 | h = &handlers[i]; | |
7336b9f9 | 1024 | if (h->id == raw_data[0] && h->size < size) { |
a4d19197 | 1025 | h->func(wdata, &raw_data[1]); |
7336b9f9 DH |
1026 | handled = true; |
1027 | } | |
a4d19197 DH |
1028 | } |
1029 | ||
7336b9f9 DH |
1030 | if (!handled) |
1031 | hid_warn(hdev, "Unhandled report %hhu size %d\n", raw_data[0], | |
1032 | size); | |
1033 | ||
32a0d9a5 DH |
1034 | spin_unlock_irqrestore(&wdata->state.lock, flags); |
1035 | ||
02fb72a0 DH |
1036 | return 0; |
1037 | } | |
1038 | ||
23a5a4a3 DH |
1039 | static void wiimote_leds_destroy(struct wiimote_data *wdata) |
1040 | { | |
1041 | int i; | |
1042 | struct led_classdev *led; | |
1043 | ||
1044 | for (i = 0; i < 4; ++i) { | |
1045 | if (wdata->leds[i]) { | |
1046 | led = wdata->leds[i]; | |
1047 | wdata->leds[i] = NULL; | |
1048 | led_classdev_unregister(led); | |
1049 | kfree(led); | |
1050 | } | |
1051 | } | |
1052 | } | |
1053 | ||
1054 | static int wiimote_leds_create(struct wiimote_data *wdata) | |
1055 | { | |
1056 | int i, ret; | |
1057 | struct device *dev = &wdata->hdev->dev; | |
1058 | size_t namesz = strlen(dev_name(dev)) + 9; | |
1059 | struct led_classdev *led; | |
1060 | char *name; | |
1061 | ||
1062 | for (i = 0; i < 4; ++i) { | |
1063 | led = kzalloc(sizeof(struct led_classdev) + namesz, GFP_KERNEL); | |
1064 | if (!led) { | |
1065 | ret = -ENOMEM; | |
1066 | goto err; | |
1067 | } | |
1068 | name = (void*)&led[1]; | |
1069 | snprintf(name, namesz, "%s:blue:p%d", dev_name(dev), i); | |
1070 | led->name = name; | |
1071 | led->brightness = 0; | |
1072 | led->max_brightness = 1; | |
1073 | led->brightness_get = wiimote_leds_get; | |
1074 | led->brightness_set = wiimote_leds_set; | |
1075 | ||
1076 | ret = led_classdev_register(dev, led); | |
1077 | if (ret) { | |
1078 | kfree(led); | |
1079 | goto err; | |
1080 | } | |
1081 | wdata->leds[i] = led; | |
1082 | } | |
1083 | ||
1084 | return 0; | |
1085 | ||
1086 | err: | |
1087 | wiimote_leds_destroy(wdata); | |
1088 | return ret; | |
1089 | } | |
1090 | ||
e894d0e3 DH |
1091 | static struct wiimote_data *wiimote_create(struct hid_device *hdev) |
1092 | { | |
1093 | struct wiimote_data *wdata; | |
1abb9ad3 | 1094 | int i; |
e894d0e3 DH |
1095 | |
1096 | wdata = kzalloc(sizeof(*wdata), GFP_KERNEL); | |
1097 | if (!wdata) | |
1098 | return NULL; | |
1099 | ||
672bc4e0 | 1100 | wdata->input = input_allocate_device(); |
98a558ae DH |
1101 | if (!wdata->input) |
1102 | goto err; | |
672bc4e0 | 1103 | |
e894d0e3 DH |
1104 | wdata->hdev = hdev; |
1105 | hid_set_drvdata(hdev, wdata); | |
1106 | ||
672bc4e0 | 1107 | input_set_drvdata(wdata->input, wdata); |
26af1748 DH |
1108 | wdata->input->open = wiimote_input_open; |
1109 | wdata->input->close = wiimote_input_close; | |
672bc4e0 DH |
1110 | wdata->input->dev.parent = &wdata->hdev->dev; |
1111 | wdata->input->id.bustype = wdata->hdev->bus; | |
1112 | wdata->input->id.vendor = wdata->hdev->vendor; | |
1113 | wdata->input->id.product = wdata->hdev->product; | |
1114 | wdata->input->id.version = wdata->hdev->version; | |
1115 | wdata->input->name = WIIMOTE_NAME; | |
1116 | ||
1abb9ad3 DH |
1117 | set_bit(EV_KEY, wdata->input->evbit); |
1118 | for (i = 0; i < WIIPROTO_KEY_COUNT; ++i) | |
1119 | set_bit(wiiproto_keymap[i], wdata->input->keybit); | |
1120 | ||
d020be92 | 1121 | set_bit(FF_RUMBLE, wdata->input->ffbit); |
98a558ae DH |
1122 | if (input_ff_create_memless(wdata->input, NULL, wiimote_ff_play)) |
1123 | goto err_input; | |
1124 | ||
1125 | wdata->accel = input_allocate_device(); | |
1126 | if (!wdata->accel) | |
1127 | goto err_input; | |
1128 | ||
1129 | input_set_drvdata(wdata->accel, wdata); | |
1130 | wdata->accel->open = wiimote_accel_open; | |
1131 | wdata->accel->close = wiimote_accel_close; | |
1132 | wdata->accel->dev.parent = &wdata->hdev->dev; | |
1133 | wdata->accel->id.bustype = wdata->hdev->bus; | |
1134 | wdata->accel->id.vendor = wdata->hdev->vendor; | |
1135 | wdata->accel->id.product = wdata->hdev->product; | |
1136 | wdata->accel->id.version = wdata->hdev->version; | |
1137 | wdata->accel->name = WIIMOTE_NAME " Accelerometer"; | |
1138 | ||
1139 | set_bit(EV_ABS, wdata->accel->evbit); | |
1140 | set_bit(ABS_RX, wdata->accel->absbit); | |
1141 | set_bit(ABS_RY, wdata->accel->absbit); | |
1142 | set_bit(ABS_RZ, wdata->accel->absbit); | |
1143 | input_set_abs_params(wdata->accel, ABS_RX, -500, 500, 2, 4); | |
1144 | input_set_abs_params(wdata->accel, ABS_RY, -500, 500, 2, 4); | |
1145 | input_set_abs_params(wdata->accel, ABS_RZ, -500, 500, 2, 4); | |
d020be92 | 1146 | |
f363e4f6 DH |
1147 | wdata->ir = input_allocate_device(); |
1148 | if (!wdata->ir) | |
1149 | goto err_ir; | |
1150 | ||
1151 | input_set_drvdata(wdata->ir, wdata); | |
0370d7cb DH |
1152 | wdata->ir->open = wiimote_ir_open; |
1153 | wdata->ir->close = wiimote_ir_close; | |
f363e4f6 DH |
1154 | wdata->ir->dev.parent = &wdata->hdev->dev; |
1155 | wdata->ir->id.bustype = wdata->hdev->bus; | |
1156 | wdata->ir->id.vendor = wdata->hdev->vendor; | |
1157 | wdata->ir->id.product = wdata->hdev->product; | |
1158 | wdata->ir->id.version = wdata->hdev->version; | |
1159 | wdata->ir->name = WIIMOTE_NAME " IR"; | |
1160 | ||
1161 | set_bit(EV_ABS, wdata->ir->evbit); | |
1162 | set_bit(ABS_HAT0X, wdata->ir->absbit); | |
1163 | set_bit(ABS_HAT0Y, wdata->ir->absbit); | |
1164 | set_bit(ABS_HAT1X, wdata->ir->absbit); | |
1165 | set_bit(ABS_HAT1Y, wdata->ir->absbit); | |
1166 | set_bit(ABS_HAT2X, wdata->ir->absbit); | |
1167 | set_bit(ABS_HAT2Y, wdata->ir->absbit); | |
1168 | set_bit(ABS_HAT3X, wdata->ir->absbit); | |
1169 | set_bit(ABS_HAT3Y, wdata->ir->absbit); | |
1170 | input_set_abs_params(wdata->ir, ABS_HAT0X, 0, 1023, 2, 4); | |
1171 | input_set_abs_params(wdata->ir, ABS_HAT0Y, 0, 767, 2, 4); | |
1172 | input_set_abs_params(wdata->ir, ABS_HAT1X, 0, 1023, 2, 4); | |
1173 | input_set_abs_params(wdata->ir, ABS_HAT1Y, 0, 767, 2, 4); | |
1174 | input_set_abs_params(wdata->ir, ABS_HAT2X, 0, 1023, 2, 4); | |
1175 | input_set_abs_params(wdata->ir, ABS_HAT2Y, 0, 767, 2, 4); | |
1176 | input_set_abs_params(wdata->ir, ABS_HAT3X, 0, 1023, 2, 4); | |
1177 | input_set_abs_params(wdata->ir, ABS_HAT3Y, 0, 767, 2, 4); | |
1178 | ||
23c063cb DH |
1179 | spin_lock_init(&wdata->qlock); |
1180 | INIT_WORK(&wdata->worker, wiimote_worker); | |
1181 | ||
32a0d9a5 | 1182 | spin_lock_init(&wdata->state.lock); |
29d28064 DH |
1183 | init_completion(&wdata->state.ready); |
1184 | mutex_init(&wdata->state.sync); | |
32a0d9a5 | 1185 | |
e894d0e3 | 1186 | return wdata; |
98a558ae | 1187 | |
f363e4f6 DH |
1188 | err_ir: |
1189 | input_free_device(wdata->accel); | |
98a558ae DH |
1190 | err_input: |
1191 | input_free_device(wdata->input); | |
1192 | err: | |
1193 | kfree(wdata); | |
1194 | return NULL; | |
e894d0e3 DH |
1195 | } |
1196 | ||
1197 | static void wiimote_destroy(struct wiimote_data *wdata) | |
1198 | { | |
23a5a4a3 | 1199 | wiimote_leds_destroy(wdata); |
3989ef6c | 1200 | |
6591d758 | 1201 | power_supply_unregister(&wdata->battery); |
98a558ae | 1202 | input_unregister_device(wdata->accel); |
f363e4f6 | 1203 | input_unregister_device(wdata->ir); |
3989ef6c DH |
1204 | input_unregister_device(wdata->input); |
1205 | cancel_work_sync(&wdata->worker); | |
1206 | hid_hw_stop(wdata->hdev); | |
1207 | ||
e894d0e3 DH |
1208 | kfree(wdata); |
1209 | } | |
1210 | ||
02fb72a0 DH |
1211 | static int wiimote_hid_probe(struct hid_device *hdev, |
1212 | const struct hid_device_id *id) | |
fb51b443 | 1213 | { |
e894d0e3 | 1214 | struct wiimote_data *wdata; |
02fb72a0 DH |
1215 | int ret; |
1216 | ||
e894d0e3 DH |
1217 | wdata = wiimote_create(hdev); |
1218 | if (!wdata) { | |
1219 | hid_err(hdev, "Can't alloc device\n"); | |
1220 | return -ENOMEM; | |
1221 | } | |
1222 | ||
02fb72a0 DH |
1223 | ret = hid_parse(hdev); |
1224 | if (ret) { | |
1225 | hid_err(hdev, "HID parse failed\n"); | |
e894d0e3 | 1226 | goto err; |
02fb72a0 DH |
1227 | } |
1228 | ||
1229 | ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW); | |
1230 | if (ret) { | |
1231 | hid_err(hdev, "HW start failed\n"); | |
e894d0e3 | 1232 | goto err; |
02fb72a0 DH |
1233 | } |
1234 | ||
98a558ae | 1235 | ret = input_register_device(wdata->accel); |
672bc4e0 DH |
1236 | if (ret) { |
1237 | hid_err(hdev, "Cannot register input device\n"); | |
1238 | goto err_stop; | |
1239 | } | |
1240 | ||
f363e4f6 DH |
1241 | ret = input_register_device(wdata->ir); |
1242 | if (ret) { | |
1243 | hid_err(hdev, "Cannot register input device\n"); | |
1244 | goto err_ir; | |
1245 | } | |
1246 | ||
98a558ae DH |
1247 | ret = input_register_device(wdata->input); |
1248 | if (ret) { | |
1249 | hid_err(hdev, "Cannot register input device\n"); | |
1250 | goto err_input; | |
1251 | } | |
1252 | ||
6591d758 DH |
1253 | wdata->battery.properties = wiimote_battery_props; |
1254 | wdata->battery.num_properties = ARRAY_SIZE(wiimote_battery_props); | |
1255 | wdata->battery.get_property = wiimote_battery_get_property; | |
1256 | wdata->battery.name = "wiimote_battery"; | |
1257 | wdata->battery.type = POWER_SUPPLY_TYPE_BATTERY; | |
1258 | wdata->battery.use_for_apm = 0; | |
1259 | ||
1260 | ret = power_supply_register(&wdata->hdev->dev, &wdata->battery); | |
1261 | if (ret) { | |
1262 | hid_err(hdev, "Cannot register battery device\n"); | |
1263 | goto err_battery; | |
1264 | } | |
1265 | ||
23a5a4a3 | 1266 | ret = wiimote_leds_create(wdata); |
3989ef6c DH |
1267 | if (ret) |
1268 | goto err_free; | |
1269 | ||
02fb72a0 | 1270 | hid_info(hdev, "New device registered\n"); |
32a0d9a5 DH |
1271 | |
1272 | /* by default set led1 after device initialization */ | |
1273 | spin_lock_irq(&wdata->state.lock); | |
db308346 | 1274 | wiiproto_req_leds(wdata, WIIPROTO_FLAG_LED1); |
32a0d9a5 DH |
1275 | spin_unlock_irq(&wdata->state.lock); |
1276 | ||
fb51b443 | 1277 | return 0; |
e894d0e3 | 1278 | |
3989ef6c DH |
1279 | err_free: |
1280 | wiimote_destroy(wdata); | |
1281 | return ret; | |
1282 | ||
6591d758 DH |
1283 | err_battery: |
1284 | input_unregister_device(wdata->input); | |
1285 | wdata->input = NULL; | |
98a558ae | 1286 | err_input: |
f363e4f6 DH |
1287 | input_unregister_device(wdata->ir); |
1288 | wdata->ir = NULL; | |
1289 | err_ir: | |
98a558ae DH |
1290 | input_unregister_device(wdata->accel); |
1291 | wdata->accel = NULL; | |
672bc4e0 DH |
1292 | err_stop: |
1293 | hid_hw_stop(hdev); | |
e894d0e3 | 1294 | err: |
f363e4f6 | 1295 | input_free_device(wdata->ir); |
98a558ae | 1296 | input_free_device(wdata->accel); |
672bc4e0 | 1297 | input_free_device(wdata->input); |
3989ef6c | 1298 | kfree(wdata); |
e894d0e3 | 1299 | return ret; |
fb51b443 DH |
1300 | } |
1301 | ||
02fb72a0 DH |
1302 | static void wiimote_hid_remove(struct hid_device *hdev) |
1303 | { | |
e894d0e3 DH |
1304 | struct wiimote_data *wdata = hid_get_drvdata(hdev); |
1305 | ||
02fb72a0 | 1306 | hid_info(hdev, "Device removed\n"); |
e894d0e3 | 1307 | wiimote_destroy(wdata); |
02fb72a0 DH |
1308 | } |
1309 | ||
1310 | static const struct hid_device_id wiimote_hid_devices[] = { | |
1311 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, | |
1312 | USB_DEVICE_ID_NINTENDO_WIIMOTE) }, | |
1313 | { } | |
1314 | }; | |
1315 | MODULE_DEVICE_TABLE(hid, wiimote_hid_devices); | |
1316 | ||
1317 | static struct hid_driver wiimote_hid_driver = { | |
1318 | .name = "wiimote", | |
1319 | .id_table = wiimote_hid_devices, | |
1320 | .probe = wiimote_hid_probe, | |
1321 | .remove = wiimote_hid_remove, | |
1322 | .raw_event = wiimote_hid_event, | |
1323 | }; | |
1324 | ||
1325 | static int __init wiimote_init(void) | |
1326 | { | |
1327 | int ret; | |
1328 | ||
1329 | ret = hid_register_driver(&wiimote_hid_driver); | |
1330 | if (ret) | |
1331 | pr_err("Can't register wiimote hid driver\n"); | |
1332 | ||
1333 | return ret; | |
1334 | } | |
1335 | ||
fb51b443 DH |
1336 | static void __exit wiimote_exit(void) |
1337 | { | |
02fb72a0 | 1338 | hid_unregister_driver(&wiimote_hid_driver); |
fb51b443 DH |
1339 | } |
1340 | ||
1341 | module_init(wiimote_init); | |
1342 | module_exit(wiimote_exit); | |
1343 | MODULE_LICENSE("GPL"); | |
1344 | MODULE_AUTHOR("David Herrmann <dh.herrmann@gmail.com>"); | |
1345 | MODULE_DESCRIPTION(WIIMOTE_NAME " Device Driver"); | |
1346 | MODULE_VERSION(WIIMOTE_VERSION); |