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 | ||
672bc4e0 | 13 | #include <linux/device.h> |
02fb72a0 | 14 | #include <linux/hid.h> |
672bc4e0 | 15 | #include <linux/input.h> |
23a5a4a3 | 16 | #include <linux/leds.h> |
fb51b443 | 17 | #include <linux/module.h> |
23c063cb | 18 | #include <linux/spinlock.h> |
02fb72a0 | 19 | #include "hid-ids.h" |
fb51b443 DH |
20 | |
21 | #define WIIMOTE_VERSION "0.1" | |
22 | #define WIIMOTE_NAME "Nintendo Wii Remote" | |
23c063cb DH |
23 | #define WIIMOTE_BUFSIZE 32 |
24 | ||
25 | struct wiimote_buf { | |
26 | __u8 data[HID_MAX_BUFFER_SIZE]; | |
27 | size_t size; | |
28 | }; | |
fb51b443 | 29 | |
32a0d9a5 DH |
30 | struct wiimote_state { |
31 | spinlock_t lock; | |
32 | __u8 flags; | |
efcf9188 | 33 | __u8 accel_split[2]; |
32a0d9a5 DH |
34 | }; |
35 | ||
e894d0e3 DH |
36 | struct wiimote_data { |
37 | struct hid_device *hdev; | |
672bc4e0 | 38 | struct input_dev *input; |
23a5a4a3 | 39 | struct led_classdev *leds[4]; |
98a558ae | 40 | struct input_dev *accel; |
f363e4f6 | 41 | struct input_dev *ir; |
23c063cb DH |
42 | |
43 | spinlock_t qlock; | |
44 | __u8 head; | |
45 | __u8 tail; | |
46 | struct wiimote_buf outq[WIIMOTE_BUFSIZE]; | |
47 | struct work_struct worker; | |
32a0d9a5 DH |
48 | |
49 | struct wiimote_state state; | |
e894d0e3 DH |
50 | }; |
51 | ||
c003ec21 DH |
52 | #define WIIPROTO_FLAG_LED1 0x01 |
53 | #define WIIPROTO_FLAG_LED2 0x02 | |
54 | #define WIIPROTO_FLAG_LED3 0x04 | |
55 | #define WIIPROTO_FLAG_LED4 0x08 | |
56 | #define WIIPROTO_FLAG_RUMBLE 0x10 | |
98a558ae | 57 | #define WIIPROTO_FLAG_ACCEL 0x20 |
f363e4f6 DH |
58 | #define WIIPROTO_FLAG_IR_BASIC 0x40 |
59 | #define WIIPROTO_FLAG_IR_EXT 0x80 | |
60 | #define WIIPROTO_FLAG_IR_FULL 0xc0 /* IR_BASIC | IR_EXT */ | |
32a0d9a5 DH |
61 | #define WIIPROTO_FLAGS_LEDS (WIIPROTO_FLAG_LED1 | WIIPROTO_FLAG_LED2 | \ |
62 | WIIPROTO_FLAG_LED3 | WIIPROTO_FLAG_LED4) | |
f363e4f6 DH |
63 | #define WIIPROTO_FLAGS_IR (WIIPROTO_FLAG_IR_BASIC | WIIPROTO_FLAG_IR_EXT | \ |
64 | WIIPROTO_FLAG_IR_FULL) | |
db308346 | 65 | |
23a5a4a3 DH |
66 | /* return flag for led \num */ |
67 | #define WIIPROTO_FLAG_LED(num) (WIIPROTO_FLAG_LED1 << (num - 1)) | |
68 | ||
1abb9ad3 | 69 | enum wiiproto_reqs { |
2cb5e4bc | 70 | WIIPROTO_REQ_NULL = 0x0, |
c003ec21 | 71 | WIIPROTO_REQ_RUMBLE = 0x10, |
db308346 | 72 | WIIPROTO_REQ_LED = 0x11, |
2cb5e4bc | 73 | WIIPROTO_REQ_DRM = 0x12, |
be1ecd62 DH |
74 | WIIPROTO_REQ_WMEM = 0x16, |
75 | WIIPROTO_REQ_RMEM = 0x17, | |
c87019e4 | 76 | WIIPROTO_REQ_STATUS = 0x20, |
be1ecd62 | 77 | WIIPROTO_REQ_DATA = 0x21, |
c87019e4 | 78 | WIIPROTO_REQ_RETURN = 0x22, |
1abb9ad3 | 79 | WIIPROTO_REQ_DRM_K = 0x30, |
efcf9188 | 80 | WIIPROTO_REQ_DRM_KA = 0x31, |
7336b9f9 | 81 | WIIPROTO_REQ_DRM_KE = 0x32, |
efcf9188 | 82 | WIIPROTO_REQ_DRM_KAI = 0x33, |
7336b9f9 | 83 | WIIPROTO_REQ_DRM_KEE = 0x34, |
efcf9188 | 84 | WIIPROTO_REQ_DRM_KAE = 0x35, |
f363e4f6 | 85 | WIIPROTO_REQ_DRM_KIE = 0x36, |
efcf9188 | 86 | WIIPROTO_REQ_DRM_KAIE = 0x37, |
7336b9f9 | 87 | WIIPROTO_REQ_DRM_E = 0x3d, |
efcf9188 DH |
88 | WIIPROTO_REQ_DRM_SKAI1 = 0x3e, |
89 | WIIPROTO_REQ_DRM_SKAI2 = 0x3f, | |
1abb9ad3 DH |
90 | }; |
91 | ||
92 | enum wiiproto_keys { | |
93 | WIIPROTO_KEY_LEFT, | |
94 | WIIPROTO_KEY_RIGHT, | |
95 | WIIPROTO_KEY_UP, | |
96 | WIIPROTO_KEY_DOWN, | |
97 | WIIPROTO_KEY_PLUS, | |
98 | WIIPROTO_KEY_MINUS, | |
99 | WIIPROTO_KEY_ONE, | |
100 | WIIPROTO_KEY_TWO, | |
101 | WIIPROTO_KEY_A, | |
102 | WIIPROTO_KEY_B, | |
103 | WIIPROTO_KEY_HOME, | |
104 | WIIPROTO_KEY_COUNT | |
105 | }; | |
106 | ||
107 | static __u16 wiiproto_keymap[] = { | |
108 | KEY_LEFT, /* WIIPROTO_KEY_LEFT */ | |
109 | KEY_RIGHT, /* WIIPROTO_KEY_RIGHT */ | |
110 | KEY_UP, /* WIIPROTO_KEY_UP */ | |
111 | KEY_DOWN, /* WIIPROTO_KEY_DOWN */ | |
112 | KEY_NEXT, /* WIIPROTO_KEY_PLUS */ | |
113 | KEY_PREVIOUS, /* WIIPROTO_KEY_MINUS */ | |
114 | BTN_1, /* WIIPROTO_KEY_ONE */ | |
115 | BTN_2, /* WIIPROTO_KEY_TWO */ | |
116 | BTN_A, /* WIIPROTO_KEY_A */ | |
117 | BTN_B, /* WIIPROTO_KEY_B */ | |
118 | BTN_MODE, /* WIIPROTO_KEY_HOME */ | |
119 | }; | |
120 | ||
0c218f14 DH |
121 | static ssize_t wiimote_hid_send(struct hid_device *hdev, __u8 *buffer, |
122 | size_t count) | |
123 | { | |
124 | __u8 *buf; | |
125 | ssize_t ret; | |
126 | ||
127 | if (!hdev->hid_output_raw_report) | |
128 | return -ENODEV; | |
129 | ||
130 | buf = kmemdup(buffer, count, GFP_KERNEL); | |
131 | if (!buf) | |
132 | return -ENOMEM; | |
133 | ||
134 | ret = hdev->hid_output_raw_report(hdev, buf, count, HID_OUTPUT_REPORT); | |
135 | ||
136 | kfree(buf); | |
137 | return ret; | |
138 | } | |
139 | ||
23c063cb DH |
140 | static void wiimote_worker(struct work_struct *work) |
141 | { | |
142 | struct wiimote_data *wdata = container_of(work, struct wiimote_data, | |
143 | worker); | |
144 | unsigned long flags; | |
145 | ||
146 | spin_lock_irqsave(&wdata->qlock, flags); | |
147 | ||
148 | while (wdata->head != wdata->tail) { | |
149 | spin_unlock_irqrestore(&wdata->qlock, flags); | |
150 | wiimote_hid_send(wdata->hdev, wdata->outq[wdata->tail].data, | |
151 | wdata->outq[wdata->tail].size); | |
152 | spin_lock_irqsave(&wdata->qlock, flags); | |
153 | ||
154 | wdata->tail = (wdata->tail + 1) % WIIMOTE_BUFSIZE; | |
155 | } | |
156 | ||
157 | spin_unlock_irqrestore(&wdata->qlock, flags); | |
158 | } | |
159 | ||
160 | static void wiimote_queue(struct wiimote_data *wdata, const __u8 *buffer, | |
161 | size_t count) | |
162 | { | |
163 | unsigned long flags; | |
164 | __u8 newhead; | |
165 | ||
166 | if (count > HID_MAX_BUFFER_SIZE) { | |
167 | hid_warn(wdata->hdev, "Sending too large output report\n"); | |
168 | return; | |
169 | } | |
170 | ||
171 | /* | |
172 | * Copy new request into our output queue and check whether the | |
173 | * queue is full. If it is full, discard this request. | |
174 | * If it is empty we need to start a new worker that will | |
175 | * send out the buffer to the hid device. | |
176 | * If the queue is not empty, then there must be a worker | |
177 | * that is currently sending out our buffer and this worker | |
178 | * will reschedule itself until the queue is empty. | |
179 | */ | |
180 | ||
181 | spin_lock_irqsave(&wdata->qlock, flags); | |
182 | ||
183 | memcpy(wdata->outq[wdata->head].data, buffer, count); | |
184 | wdata->outq[wdata->head].size = count; | |
185 | newhead = (wdata->head + 1) % WIIMOTE_BUFSIZE; | |
186 | ||
187 | if (wdata->head == wdata->tail) { | |
188 | wdata->head = newhead; | |
189 | schedule_work(&wdata->worker); | |
190 | } else if (newhead != wdata->tail) { | |
191 | wdata->head = newhead; | |
192 | } else { | |
193 | hid_warn(wdata->hdev, "Output queue is full"); | |
194 | } | |
195 | ||
196 | spin_unlock_irqrestore(&wdata->qlock, flags); | |
197 | } | |
198 | ||
c003ec21 DH |
199 | /* |
200 | * This sets the rumble bit on the given output report if rumble is | |
201 | * currently enabled. | |
202 | * \cmd1 must point to the second byte in the output report => &cmd[1] | |
203 | * This must be called on nearly every output report before passing it | |
204 | * into the output queue! | |
205 | */ | |
206 | static inline void wiiproto_keep_rumble(struct wiimote_data *wdata, __u8 *cmd1) | |
207 | { | |
208 | if (wdata->state.flags & WIIPROTO_FLAG_RUMBLE) | |
209 | *cmd1 |= 0x01; | |
210 | } | |
211 | ||
212 | static void wiiproto_req_rumble(struct wiimote_data *wdata, __u8 rumble) | |
213 | { | |
214 | __u8 cmd[2]; | |
215 | ||
216 | rumble = !!rumble; | |
217 | if (rumble == !!(wdata->state.flags & WIIPROTO_FLAG_RUMBLE)) | |
218 | return; | |
219 | ||
220 | if (rumble) | |
221 | wdata->state.flags |= WIIPROTO_FLAG_RUMBLE; | |
222 | else | |
223 | wdata->state.flags &= ~WIIPROTO_FLAG_RUMBLE; | |
224 | ||
225 | cmd[0] = WIIPROTO_REQ_RUMBLE; | |
226 | cmd[1] = 0; | |
227 | ||
228 | wiiproto_keep_rumble(wdata, &cmd[1]); | |
229 | wiimote_queue(wdata, cmd, sizeof(cmd)); | |
230 | } | |
231 | ||
db308346 DH |
232 | static void wiiproto_req_leds(struct wiimote_data *wdata, int leds) |
233 | { | |
234 | __u8 cmd[2]; | |
235 | ||
32a0d9a5 DH |
236 | leds &= WIIPROTO_FLAGS_LEDS; |
237 | if ((wdata->state.flags & WIIPROTO_FLAGS_LEDS) == leds) | |
238 | return; | |
239 | wdata->state.flags = (wdata->state.flags & ~WIIPROTO_FLAGS_LEDS) | leds; | |
240 | ||
db308346 DH |
241 | cmd[0] = WIIPROTO_REQ_LED; |
242 | cmd[1] = 0; | |
243 | ||
244 | if (leds & WIIPROTO_FLAG_LED1) | |
245 | cmd[1] |= 0x10; | |
246 | if (leds & WIIPROTO_FLAG_LED2) | |
247 | cmd[1] |= 0x20; | |
248 | if (leds & WIIPROTO_FLAG_LED3) | |
249 | cmd[1] |= 0x40; | |
250 | if (leds & WIIPROTO_FLAG_LED4) | |
251 | cmd[1] |= 0x80; | |
252 | ||
c003ec21 | 253 | wiiproto_keep_rumble(wdata, &cmd[1]); |
db308346 DH |
254 | wiimote_queue(wdata, cmd, sizeof(cmd)); |
255 | } | |
256 | ||
2cb5e4bc DH |
257 | /* |
258 | * Check what peripherals of the wiimote are currently | |
259 | * active and select a proper DRM that supports all of | |
260 | * the requested data inputs. | |
261 | */ | |
262 | static __u8 select_drm(struct wiimote_data *wdata) | |
263 | { | |
f363e4f6 DH |
264 | __u8 ir = wdata->state.flags & WIIPROTO_FLAGS_IR; |
265 | ||
266 | if (ir == WIIPROTO_FLAG_IR_BASIC) { | |
267 | if (wdata->state.flags & WIIPROTO_FLAG_ACCEL) | |
268 | return WIIPROTO_REQ_DRM_KAIE; | |
269 | else | |
270 | return WIIPROTO_REQ_DRM_KIE; | |
271 | } else if (ir == WIIPROTO_FLAG_IR_EXT) { | |
272 | return WIIPROTO_REQ_DRM_KAI; | |
273 | } else if (ir == WIIPROTO_FLAG_IR_FULL) { | |
274 | return WIIPROTO_REQ_DRM_SKAI1; | |
275 | } else { | |
276 | if (wdata->state.flags & WIIPROTO_FLAG_ACCEL) | |
277 | return WIIPROTO_REQ_DRM_KA; | |
278 | else | |
279 | return WIIPROTO_REQ_DRM_K; | |
280 | } | |
2cb5e4bc DH |
281 | } |
282 | ||
283 | static void wiiproto_req_drm(struct wiimote_data *wdata, __u8 drm) | |
284 | { | |
285 | __u8 cmd[3]; | |
286 | ||
287 | if (drm == WIIPROTO_REQ_NULL) | |
288 | drm = select_drm(wdata); | |
289 | ||
290 | cmd[0] = WIIPROTO_REQ_DRM; | |
291 | cmd[1] = 0; | |
292 | cmd[2] = drm; | |
293 | ||
c003ec21 | 294 | wiiproto_keep_rumble(wdata, &cmd[1]); |
2cb5e4bc DH |
295 | wiimote_queue(wdata, cmd, sizeof(cmd)); |
296 | } | |
297 | ||
98a558ae DH |
298 | static void wiiproto_req_accel(struct wiimote_data *wdata, __u8 accel) |
299 | { | |
300 | accel = !!accel; | |
301 | if (accel == !!(wdata->state.flags & WIIPROTO_FLAG_ACCEL)) | |
302 | return; | |
303 | ||
304 | if (accel) | |
305 | wdata->state.flags |= WIIPROTO_FLAG_ACCEL; | |
306 | else | |
307 | wdata->state.flags &= ~WIIPROTO_FLAG_ACCEL; | |
308 | ||
309 | wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); | |
310 | } | |
311 | ||
be1ecd62 DH |
312 | #define wiiproto_req_wreg(wdata, os, buf, sz) \ |
313 | wiiproto_req_wmem((wdata), false, (os), (buf), (sz)) | |
314 | ||
315 | #define wiiproto_req_weeprom(wdata, os, buf, sz) \ | |
316 | wiiproto_req_wmem((wdata), true, (os), (buf), (sz)) | |
317 | ||
318 | static void wiiproto_req_wmem(struct wiimote_data *wdata, bool eeprom, | |
319 | __u32 offset, const __u8 *buf, __u8 size) | |
320 | { | |
321 | __u8 cmd[22]; | |
322 | ||
323 | if (size > 16 || size == 0) { | |
324 | hid_warn(wdata->hdev, "Invalid length %d wmem request\n", size); | |
325 | return; | |
326 | } | |
327 | ||
328 | memset(cmd, 0, sizeof(cmd)); | |
329 | cmd[0] = WIIPROTO_REQ_WMEM; | |
330 | cmd[2] = (offset >> 16) & 0xff; | |
331 | cmd[3] = (offset >> 8) & 0xff; | |
332 | cmd[4] = offset & 0xff; | |
333 | cmd[5] = size; | |
334 | memcpy(&cmd[6], buf, size); | |
335 | ||
336 | if (!eeprom) | |
337 | cmd[1] |= 0x04; | |
338 | ||
339 | wiiproto_keep_rumble(wdata, &cmd[1]); | |
340 | wiimote_queue(wdata, cmd, sizeof(cmd)); | |
341 | } | |
342 | ||
23a5a4a3 DH |
343 | static enum led_brightness wiimote_leds_get(struct led_classdev *led_dev) |
344 | { | |
345 | struct wiimote_data *wdata; | |
346 | struct device *dev = led_dev->dev->parent; | |
347 | int i; | |
348 | unsigned long flags; | |
349 | bool value = false; | |
350 | ||
351 | wdata = hid_get_drvdata(container_of(dev, struct hid_device, dev)); | |
352 | ||
353 | for (i = 0; i < 4; ++i) { | |
354 | if (wdata->leds[i] == led_dev) { | |
355 | spin_lock_irqsave(&wdata->state.lock, flags); | |
356 | value = wdata->state.flags & WIIPROTO_FLAG_LED(i + 1); | |
357 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
358 | break; | |
359 | } | |
360 | } | |
361 | ||
362 | return value ? LED_FULL : LED_OFF; | |
363 | } | |
364 | ||
365 | static void wiimote_leds_set(struct led_classdev *led_dev, | |
366 | enum led_brightness value) | |
367 | { | |
368 | struct wiimote_data *wdata; | |
369 | struct device *dev = led_dev->dev->parent; | |
370 | int i; | |
371 | unsigned long flags; | |
372 | __u8 state, flag; | |
373 | ||
374 | wdata = hid_get_drvdata(container_of(dev, struct hid_device, dev)); | |
375 | ||
376 | for (i = 0; i < 4; ++i) { | |
377 | if (wdata->leds[i] == led_dev) { | |
378 | flag = WIIPROTO_FLAG_LED(i + 1); | |
379 | spin_lock_irqsave(&wdata->state.lock, flags); | |
380 | state = wdata->state.flags; | |
381 | if (value == LED_OFF) | |
382 | wiiproto_req_leds(wdata, state & ~flag); | |
383 | else | |
384 | wiiproto_req_leds(wdata, state | flag); | |
385 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
386 | break; | |
387 | } | |
388 | } | |
389 | } | |
3c1c2fce | 390 | |
d020be92 DH |
391 | static int wiimote_ff_play(struct input_dev *dev, void *data, |
392 | struct ff_effect *eff) | |
672bc4e0 | 393 | { |
d020be92 DH |
394 | struct wiimote_data *wdata = input_get_drvdata(dev); |
395 | __u8 value; | |
396 | unsigned long flags; | |
397 | ||
398 | /* | |
399 | * The wiimote supports only a single rumble motor so if any magnitude | |
400 | * is set to non-zero then we start the rumble motor. If both are set to | |
401 | * zero, we stop the rumble motor. | |
402 | */ | |
403 | ||
404 | if (eff->u.rumble.strong_magnitude || eff->u.rumble.weak_magnitude) | |
405 | value = 1; | |
406 | else | |
407 | value = 0; | |
408 | ||
409 | spin_lock_irqsave(&wdata->state.lock, flags); | |
410 | wiiproto_req_rumble(wdata, value); | |
411 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
412 | ||
672bc4e0 DH |
413 | return 0; |
414 | } | |
415 | ||
26af1748 DH |
416 | static int wiimote_input_open(struct input_dev *dev) |
417 | { | |
418 | struct wiimote_data *wdata = input_get_drvdata(dev); | |
419 | ||
420 | return hid_hw_open(wdata->hdev); | |
421 | } | |
422 | ||
423 | static void wiimote_input_close(struct input_dev *dev) | |
424 | { | |
425 | struct wiimote_data *wdata = input_get_drvdata(dev); | |
426 | ||
427 | hid_hw_close(wdata->hdev); | |
428 | } | |
429 | ||
98a558ae DH |
430 | static int wiimote_accel_open(struct input_dev *dev) |
431 | { | |
432 | struct wiimote_data *wdata = input_get_drvdata(dev); | |
433 | int ret; | |
434 | unsigned long flags; | |
435 | ||
436 | ret = hid_hw_open(wdata->hdev); | |
437 | if (ret) | |
438 | return ret; | |
439 | ||
440 | spin_lock_irqsave(&wdata->state.lock, flags); | |
441 | wiiproto_req_accel(wdata, true); | |
442 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
443 | ||
444 | return 0; | |
445 | } | |
446 | ||
447 | static void wiimote_accel_close(struct input_dev *dev) | |
448 | { | |
449 | struct wiimote_data *wdata = input_get_drvdata(dev); | |
450 | unsigned long flags; | |
451 | ||
452 | spin_lock_irqsave(&wdata->state.lock, flags); | |
453 | wiiproto_req_accel(wdata, false); | |
454 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
455 | ||
456 | hid_hw_close(wdata->hdev); | |
457 | } | |
458 | ||
1abb9ad3 DH |
459 | static void handler_keys(struct wiimote_data *wdata, const __u8 *payload) |
460 | { | |
461 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_LEFT], | |
462 | !!(payload[0] & 0x01)); | |
463 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_RIGHT], | |
464 | !!(payload[0] & 0x02)); | |
465 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_DOWN], | |
466 | !!(payload[0] & 0x04)); | |
467 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_UP], | |
468 | !!(payload[0] & 0x08)); | |
469 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_PLUS], | |
470 | !!(payload[0] & 0x10)); | |
471 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_TWO], | |
472 | !!(payload[1] & 0x01)); | |
473 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_ONE], | |
474 | !!(payload[1] & 0x02)); | |
475 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_B], | |
476 | !!(payload[1] & 0x04)); | |
477 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_A], | |
478 | !!(payload[1] & 0x08)); | |
479 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_MINUS], | |
480 | !!(payload[1] & 0x10)); | |
481 | input_report_key(wdata->input, wiiproto_keymap[WIIPROTO_KEY_HOME], | |
482 | !!(payload[1] & 0x80)); | |
483 | input_sync(wdata->input); | |
484 | } | |
485 | ||
efcf9188 DH |
486 | static void handler_accel(struct wiimote_data *wdata, const __u8 *payload) |
487 | { | |
488 | __u16 x, y, z; | |
489 | ||
490 | if (!(wdata->state.flags & WIIPROTO_FLAG_ACCEL)) | |
491 | return; | |
492 | ||
493 | /* | |
494 | * payload is: BB BB XX YY ZZ | |
495 | * Accelerometer data is encoded into 3 10bit values. XX, YY and ZZ | |
496 | * contain the upper 8 bits of each value. The lower 2 bits are | |
497 | * contained in the buttons data BB BB. | |
498 | * Bits 6 and 7 of the first buttons byte BB is the lower 2 bits of the | |
499 | * X accel value. Bit 5 of the second buttons byte is the 2nd bit of Y | |
500 | * accel value and bit 6 is the second bit of the Z value. | |
501 | * The first bit of Y and Z values is not available and always set to 0. | |
502 | * 0x200 is returned on no movement. | |
503 | */ | |
504 | ||
505 | x = payload[2] << 2; | |
506 | y = payload[3] << 2; | |
507 | z = payload[4] << 2; | |
508 | ||
509 | x |= (payload[0] >> 5) & 0x3; | |
510 | y |= (payload[1] >> 4) & 0x2; | |
511 | z |= (payload[1] >> 5) & 0x2; | |
512 | ||
513 | input_report_abs(wdata->accel, ABS_RX, x - 0x200); | |
514 | input_report_abs(wdata->accel, ABS_RY, y - 0x200); | |
515 | input_report_abs(wdata->accel, ABS_RZ, z - 0x200); | |
516 | input_sync(wdata->accel); | |
517 | } | |
518 | ||
eac39e7e DH |
519 | #define ir_to_input0(wdata, ir, packed) __ir_to_input((wdata), (ir), (packed), \ |
520 | ABS_HAT0X, ABS_HAT0Y) | |
521 | #define ir_to_input1(wdata, ir, packed) __ir_to_input((wdata), (ir), (packed), \ | |
522 | ABS_HAT1X, ABS_HAT1Y) | |
523 | #define ir_to_input2(wdata, ir, packed) __ir_to_input((wdata), (ir), (packed), \ | |
524 | ABS_HAT2X, ABS_HAT2Y) | |
525 | #define ir_to_input3(wdata, ir, packed) __ir_to_input((wdata), (ir), (packed), \ | |
526 | ABS_HAT3X, ABS_HAT3Y) | |
527 | ||
528 | static void __ir_to_input(struct wiimote_data *wdata, const __u8 *ir, | |
529 | bool packed, __u8 xid, __u8 yid) | |
530 | { | |
531 | __u16 x, y; | |
532 | ||
533 | if (!(wdata->state.flags & WIIPROTO_FLAGS_IR)) | |
534 | return; | |
535 | ||
536 | /* | |
537 | * Basic IR data is encoded into 3 bytes. The first two bytes are the | |
538 | * upper 8 bit of the X/Y data, the 3rd byte contains the lower 2 bits | |
539 | * of both. | |
540 | * If data is packed, then the 3rd byte is put first and slightly | |
541 | * reordered. This allows to interleave packed and non-packed data to | |
542 | * have two IR sets in 5 bytes instead of 6. | |
543 | * The resulting 10bit X/Y values are passed to the ABS_HATXY input dev. | |
544 | */ | |
545 | ||
546 | if (packed) { | |
547 | x = ir[1] << 2; | |
548 | y = ir[2] << 2; | |
549 | ||
550 | x |= ir[0] & 0x3; | |
551 | y |= (ir[0] >> 2) & 0x3; | |
552 | } else { | |
553 | x = ir[0] << 2; | |
554 | y = ir[1] << 2; | |
555 | ||
556 | x |= (ir[2] >> 4) & 0x3; | |
557 | y |= (ir[2] >> 6) & 0x3; | |
558 | } | |
559 | ||
560 | input_report_abs(wdata->ir, xid, x); | |
561 | input_report_abs(wdata->ir, yid, y); | |
562 | } | |
efcf9188 | 563 | |
c87019e4 DH |
564 | static void handler_status(struct wiimote_data *wdata, const __u8 *payload) |
565 | { | |
566 | handler_keys(wdata, payload); | |
567 | ||
568 | /* on status reports the drm is reset so we need to resend the drm */ | |
569 | wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); | |
570 | } | |
571 | ||
be1ecd62 DH |
572 | static void handler_data(struct wiimote_data *wdata, const __u8 *payload) |
573 | { | |
574 | handler_keys(wdata, payload); | |
575 | } | |
576 | ||
c87019e4 DH |
577 | static void handler_return(struct wiimote_data *wdata, const __u8 *payload) |
578 | { | |
579 | __u8 err = payload[3]; | |
580 | __u8 cmd = payload[2]; | |
581 | ||
582 | handler_keys(wdata, payload); | |
583 | ||
584 | if (err) | |
585 | hid_warn(wdata->hdev, "Remote error %hhu on req %hhu\n", err, | |
586 | cmd); | |
587 | } | |
588 | ||
efcf9188 DH |
589 | static void handler_drm_KA(struct wiimote_data *wdata, const __u8 *payload) |
590 | { | |
591 | handler_keys(wdata, payload); | |
592 | handler_accel(wdata, payload); | |
593 | } | |
594 | ||
7336b9f9 DH |
595 | static void handler_drm_KE(struct wiimote_data *wdata, const __u8 *payload) |
596 | { | |
597 | handler_keys(wdata, payload); | |
598 | } | |
599 | ||
efcf9188 DH |
600 | static void handler_drm_KAI(struct wiimote_data *wdata, const __u8 *payload) |
601 | { | |
602 | handler_keys(wdata, payload); | |
603 | handler_accel(wdata, payload); | |
eac39e7e DH |
604 | ir_to_input0(wdata, &payload[5], false); |
605 | ir_to_input1(wdata, &payload[8], false); | |
606 | ir_to_input2(wdata, &payload[11], false); | |
607 | ir_to_input3(wdata, &payload[14], false); | |
608 | input_sync(wdata->ir); | |
609 | } | |
610 | ||
7336b9f9 DH |
611 | static void handler_drm_KEE(struct wiimote_data *wdata, const __u8 *payload) |
612 | { | |
613 | handler_keys(wdata, payload); | |
614 | } | |
615 | ||
eac39e7e DH |
616 | static void handler_drm_KIE(struct wiimote_data *wdata, const __u8 *payload) |
617 | { | |
618 | handler_keys(wdata, payload); | |
619 | ir_to_input0(wdata, &payload[2], false); | |
620 | ir_to_input1(wdata, &payload[4], true); | |
621 | ir_to_input2(wdata, &payload[7], false); | |
622 | ir_to_input3(wdata, &payload[9], true); | |
623 | input_sync(wdata->ir); | |
efcf9188 DH |
624 | } |
625 | ||
626 | static void handler_drm_KAE(struct wiimote_data *wdata, const __u8 *payload) | |
627 | { | |
628 | handler_keys(wdata, payload); | |
629 | handler_accel(wdata, payload); | |
630 | } | |
631 | ||
632 | static void handler_drm_KAIE(struct wiimote_data *wdata, const __u8 *payload) | |
633 | { | |
634 | handler_keys(wdata, payload); | |
635 | handler_accel(wdata, payload); | |
eac39e7e DH |
636 | ir_to_input0(wdata, &payload[5], false); |
637 | ir_to_input1(wdata, &payload[7], true); | |
638 | ir_to_input2(wdata, &payload[10], false); | |
639 | ir_to_input3(wdata, &payload[12], true); | |
640 | input_sync(wdata->ir); | |
efcf9188 DH |
641 | } |
642 | ||
7336b9f9 DH |
643 | static void handler_drm_E(struct wiimote_data *wdata, const __u8 *payload) |
644 | { | |
645 | } | |
646 | ||
efcf9188 DH |
647 | static void handler_drm_SKAI1(struct wiimote_data *wdata, const __u8 *payload) |
648 | { | |
649 | handler_keys(wdata, payload); | |
650 | ||
651 | wdata->state.accel_split[0] = payload[2]; | |
652 | wdata->state.accel_split[1] = (payload[0] >> 1) & (0x10 | 0x20); | |
653 | wdata->state.accel_split[1] |= (payload[1] << 1) & (0x40 | 0x80); | |
eac39e7e DH |
654 | |
655 | ir_to_input0(wdata, &payload[3], false); | |
656 | ir_to_input1(wdata, &payload[12], false); | |
657 | input_sync(wdata->ir); | |
efcf9188 DH |
658 | } |
659 | ||
660 | static void handler_drm_SKAI2(struct wiimote_data *wdata, const __u8 *payload) | |
661 | { | |
662 | __u8 buf[5]; | |
663 | ||
664 | handler_keys(wdata, payload); | |
665 | ||
666 | wdata->state.accel_split[1] |= (payload[0] >> 5) & (0x01 | 0x02); | |
667 | wdata->state.accel_split[1] |= (payload[1] >> 3) & (0x04 | 0x08); | |
668 | ||
669 | buf[0] = 0; | |
670 | buf[1] = 0; | |
671 | buf[2] = wdata->state.accel_split[0]; | |
672 | buf[3] = payload[2]; | |
673 | buf[4] = wdata->state.accel_split[1]; | |
674 | handler_accel(wdata, buf); | |
eac39e7e DH |
675 | |
676 | ir_to_input2(wdata, &payload[3], false); | |
677 | ir_to_input3(wdata, &payload[12], false); | |
678 | input_sync(wdata->ir); | |
efcf9188 DH |
679 | } |
680 | ||
a4d19197 DH |
681 | struct wiiproto_handler { |
682 | __u8 id; | |
683 | size_t size; | |
684 | void (*func)(struct wiimote_data *wdata, const __u8 *payload); | |
685 | }; | |
686 | ||
687 | static struct wiiproto_handler handlers[] = { | |
c87019e4 | 688 | { .id = WIIPROTO_REQ_STATUS, .size = 6, .func = handler_status }, |
be1ecd62 | 689 | { .id = WIIPROTO_REQ_DATA, .size = 21, .func = handler_data }, |
c87019e4 | 690 | { .id = WIIPROTO_REQ_RETURN, .size = 4, .func = handler_return }, |
1abb9ad3 | 691 | { .id = WIIPROTO_REQ_DRM_K, .size = 2, .func = handler_keys }, |
efcf9188 | 692 | { .id = WIIPROTO_REQ_DRM_KA, .size = 5, .func = handler_drm_KA }, |
7336b9f9 | 693 | { .id = WIIPROTO_REQ_DRM_KE, .size = 10, .func = handler_drm_KE }, |
efcf9188 | 694 | { .id = WIIPROTO_REQ_DRM_KAI, .size = 17, .func = handler_drm_KAI }, |
7336b9f9 | 695 | { .id = WIIPROTO_REQ_DRM_KEE, .size = 21, .func = handler_drm_KEE }, |
efcf9188 | 696 | { .id = WIIPROTO_REQ_DRM_KAE, .size = 21, .func = handler_drm_KAE }, |
eac39e7e | 697 | { .id = WIIPROTO_REQ_DRM_KIE, .size = 21, .func = handler_drm_KIE }, |
efcf9188 | 698 | { .id = WIIPROTO_REQ_DRM_KAIE, .size = 21, .func = handler_drm_KAIE }, |
7336b9f9 | 699 | { .id = WIIPROTO_REQ_DRM_E, .size = 21, .func = handler_drm_E }, |
efcf9188 DH |
700 | { .id = WIIPROTO_REQ_DRM_SKAI1, .size = 21, .func = handler_drm_SKAI1 }, |
701 | { .id = WIIPROTO_REQ_DRM_SKAI2, .size = 21, .func = handler_drm_SKAI2 }, | |
a4d19197 DH |
702 | { .id = 0 } |
703 | }; | |
704 | ||
02fb72a0 DH |
705 | static int wiimote_hid_event(struct hid_device *hdev, struct hid_report *report, |
706 | u8 *raw_data, int size) | |
707 | { | |
4d36e975 | 708 | struct wiimote_data *wdata = hid_get_drvdata(hdev); |
a4d19197 DH |
709 | struct wiiproto_handler *h; |
710 | int i; | |
32a0d9a5 | 711 | unsigned long flags; |
7336b9f9 | 712 | bool handled = false; |
4d36e975 | 713 | |
02fb72a0 DH |
714 | if (size < 1) |
715 | return -EINVAL; | |
716 | ||
32a0d9a5 DH |
717 | spin_lock_irqsave(&wdata->state.lock, flags); |
718 | ||
a4d19197 DH |
719 | for (i = 0; handlers[i].id; ++i) { |
720 | h = &handlers[i]; | |
7336b9f9 | 721 | if (h->id == raw_data[0] && h->size < size) { |
a4d19197 | 722 | h->func(wdata, &raw_data[1]); |
7336b9f9 DH |
723 | handled = true; |
724 | } | |
a4d19197 DH |
725 | } |
726 | ||
7336b9f9 DH |
727 | if (!handled) |
728 | hid_warn(hdev, "Unhandled report %hhu size %d\n", raw_data[0], | |
729 | size); | |
730 | ||
32a0d9a5 DH |
731 | spin_unlock_irqrestore(&wdata->state.lock, flags); |
732 | ||
02fb72a0 DH |
733 | return 0; |
734 | } | |
735 | ||
23a5a4a3 DH |
736 | static void wiimote_leds_destroy(struct wiimote_data *wdata) |
737 | { | |
738 | int i; | |
739 | struct led_classdev *led; | |
740 | ||
741 | for (i = 0; i < 4; ++i) { | |
742 | if (wdata->leds[i]) { | |
743 | led = wdata->leds[i]; | |
744 | wdata->leds[i] = NULL; | |
745 | led_classdev_unregister(led); | |
746 | kfree(led); | |
747 | } | |
748 | } | |
749 | } | |
750 | ||
751 | static int wiimote_leds_create(struct wiimote_data *wdata) | |
752 | { | |
753 | int i, ret; | |
754 | struct device *dev = &wdata->hdev->dev; | |
755 | size_t namesz = strlen(dev_name(dev)) + 9; | |
756 | struct led_classdev *led; | |
757 | char *name; | |
758 | ||
759 | for (i = 0; i < 4; ++i) { | |
760 | led = kzalloc(sizeof(struct led_classdev) + namesz, GFP_KERNEL); | |
761 | if (!led) { | |
762 | ret = -ENOMEM; | |
763 | goto err; | |
764 | } | |
765 | name = (void*)&led[1]; | |
766 | snprintf(name, namesz, "%s:blue:p%d", dev_name(dev), i); | |
767 | led->name = name; | |
768 | led->brightness = 0; | |
769 | led->max_brightness = 1; | |
770 | led->brightness_get = wiimote_leds_get; | |
771 | led->brightness_set = wiimote_leds_set; | |
772 | ||
773 | ret = led_classdev_register(dev, led); | |
774 | if (ret) { | |
775 | kfree(led); | |
776 | goto err; | |
777 | } | |
778 | wdata->leds[i] = led; | |
779 | } | |
780 | ||
781 | return 0; | |
782 | ||
783 | err: | |
784 | wiimote_leds_destroy(wdata); | |
785 | return ret; | |
786 | } | |
787 | ||
e894d0e3 DH |
788 | static struct wiimote_data *wiimote_create(struct hid_device *hdev) |
789 | { | |
790 | struct wiimote_data *wdata; | |
1abb9ad3 | 791 | int i; |
e894d0e3 DH |
792 | |
793 | wdata = kzalloc(sizeof(*wdata), GFP_KERNEL); | |
794 | if (!wdata) | |
795 | return NULL; | |
796 | ||
672bc4e0 | 797 | wdata->input = input_allocate_device(); |
98a558ae DH |
798 | if (!wdata->input) |
799 | goto err; | |
672bc4e0 | 800 | |
e894d0e3 DH |
801 | wdata->hdev = hdev; |
802 | hid_set_drvdata(hdev, wdata); | |
803 | ||
672bc4e0 | 804 | input_set_drvdata(wdata->input, wdata); |
26af1748 DH |
805 | wdata->input->open = wiimote_input_open; |
806 | wdata->input->close = wiimote_input_close; | |
672bc4e0 DH |
807 | wdata->input->dev.parent = &wdata->hdev->dev; |
808 | wdata->input->id.bustype = wdata->hdev->bus; | |
809 | wdata->input->id.vendor = wdata->hdev->vendor; | |
810 | wdata->input->id.product = wdata->hdev->product; | |
811 | wdata->input->id.version = wdata->hdev->version; | |
812 | wdata->input->name = WIIMOTE_NAME; | |
813 | ||
1abb9ad3 DH |
814 | set_bit(EV_KEY, wdata->input->evbit); |
815 | for (i = 0; i < WIIPROTO_KEY_COUNT; ++i) | |
816 | set_bit(wiiproto_keymap[i], wdata->input->keybit); | |
817 | ||
d020be92 | 818 | set_bit(FF_RUMBLE, wdata->input->ffbit); |
98a558ae DH |
819 | if (input_ff_create_memless(wdata->input, NULL, wiimote_ff_play)) |
820 | goto err_input; | |
821 | ||
822 | wdata->accel = input_allocate_device(); | |
823 | if (!wdata->accel) | |
824 | goto err_input; | |
825 | ||
826 | input_set_drvdata(wdata->accel, wdata); | |
827 | wdata->accel->open = wiimote_accel_open; | |
828 | wdata->accel->close = wiimote_accel_close; | |
829 | wdata->accel->dev.parent = &wdata->hdev->dev; | |
830 | wdata->accel->id.bustype = wdata->hdev->bus; | |
831 | wdata->accel->id.vendor = wdata->hdev->vendor; | |
832 | wdata->accel->id.product = wdata->hdev->product; | |
833 | wdata->accel->id.version = wdata->hdev->version; | |
834 | wdata->accel->name = WIIMOTE_NAME " Accelerometer"; | |
835 | ||
836 | set_bit(EV_ABS, wdata->accel->evbit); | |
837 | set_bit(ABS_RX, wdata->accel->absbit); | |
838 | set_bit(ABS_RY, wdata->accel->absbit); | |
839 | set_bit(ABS_RZ, wdata->accel->absbit); | |
840 | input_set_abs_params(wdata->accel, ABS_RX, -500, 500, 2, 4); | |
841 | input_set_abs_params(wdata->accel, ABS_RY, -500, 500, 2, 4); | |
842 | input_set_abs_params(wdata->accel, ABS_RZ, -500, 500, 2, 4); | |
d020be92 | 843 | |
f363e4f6 DH |
844 | wdata->ir = input_allocate_device(); |
845 | if (!wdata->ir) | |
846 | goto err_ir; | |
847 | ||
848 | input_set_drvdata(wdata->ir, wdata); | |
849 | wdata->ir->dev.parent = &wdata->hdev->dev; | |
850 | wdata->ir->id.bustype = wdata->hdev->bus; | |
851 | wdata->ir->id.vendor = wdata->hdev->vendor; | |
852 | wdata->ir->id.product = wdata->hdev->product; | |
853 | wdata->ir->id.version = wdata->hdev->version; | |
854 | wdata->ir->name = WIIMOTE_NAME " IR"; | |
855 | ||
856 | set_bit(EV_ABS, wdata->ir->evbit); | |
857 | set_bit(ABS_HAT0X, wdata->ir->absbit); | |
858 | set_bit(ABS_HAT0Y, wdata->ir->absbit); | |
859 | set_bit(ABS_HAT1X, wdata->ir->absbit); | |
860 | set_bit(ABS_HAT1Y, wdata->ir->absbit); | |
861 | set_bit(ABS_HAT2X, wdata->ir->absbit); | |
862 | set_bit(ABS_HAT2Y, wdata->ir->absbit); | |
863 | set_bit(ABS_HAT3X, wdata->ir->absbit); | |
864 | set_bit(ABS_HAT3Y, wdata->ir->absbit); | |
865 | input_set_abs_params(wdata->ir, ABS_HAT0X, 0, 1023, 2, 4); | |
866 | input_set_abs_params(wdata->ir, ABS_HAT0Y, 0, 767, 2, 4); | |
867 | input_set_abs_params(wdata->ir, ABS_HAT1X, 0, 1023, 2, 4); | |
868 | input_set_abs_params(wdata->ir, ABS_HAT1Y, 0, 767, 2, 4); | |
869 | input_set_abs_params(wdata->ir, ABS_HAT2X, 0, 1023, 2, 4); | |
870 | input_set_abs_params(wdata->ir, ABS_HAT2Y, 0, 767, 2, 4); | |
871 | input_set_abs_params(wdata->ir, ABS_HAT3X, 0, 1023, 2, 4); | |
872 | input_set_abs_params(wdata->ir, ABS_HAT3Y, 0, 767, 2, 4); | |
873 | ||
23c063cb DH |
874 | spin_lock_init(&wdata->qlock); |
875 | INIT_WORK(&wdata->worker, wiimote_worker); | |
876 | ||
32a0d9a5 DH |
877 | spin_lock_init(&wdata->state.lock); |
878 | ||
e894d0e3 | 879 | return wdata; |
98a558ae | 880 | |
f363e4f6 DH |
881 | err_ir: |
882 | input_free_device(wdata->accel); | |
98a558ae DH |
883 | err_input: |
884 | input_free_device(wdata->input); | |
885 | err: | |
886 | kfree(wdata); | |
887 | return NULL; | |
e894d0e3 DH |
888 | } |
889 | ||
890 | static void wiimote_destroy(struct wiimote_data *wdata) | |
891 | { | |
23a5a4a3 | 892 | wiimote_leds_destroy(wdata); |
3989ef6c | 893 | |
98a558ae | 894 | input_unregister_device(wdata->accel); |
f363e4f6 | 895 | input_unregister_device(wdata->ir); |
3989ef6c DH |
896 | input_unregister_device(wdata->input); |
897 | cancel_work_sync(&wdata->worker); | |
898 | hid_hw_stop(wdata->hdev); | |
899 | ||
e894d0e3 DH |
900 | kfree(wdata); |
901 | } | |
902 | ||
02fb72a0 DH |
903 | static int wiimote_hid_probe(struct hid_device *hdev, |
904 | const struct hid_device_id *id) | |
fb51b443 | 905 | { |
e894d0e3 | 906 | struct wiimote_data *wdata; |
02fb72a0 DH |
907 | int ret; |
908 | ||
e894d0e3 DH |
909 | wdata = wiimote_create(hdev); |
910 | if (!wdata) { | |
911 | hid_err(hdev, "Can't alloc device\n"); | |
912 | return -ENOMEM; | |
913 | } | |
914 | ||
02fb72a0 DH |
915 | ret = hid_parse(hdev); |
916 | if (ret) { | |
917 | hid_err(hdev, "HID parse failed\n"); | |
e894d0e3 | 918 | goto err; |
02fb72a0 DH |
919 | } |
920 | ||
921 | ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW); | |
922 | if (ret) { | |
923 | hid_err(hdev, "HW start failed\n"); | |
e894d0e3 | 924 | goto err; |
02fb72a0 DH |
925 | } |
926 | ||
98a558ae | 927 | ret = input_register_device(wdata->accel); |
672bc4e0 DH |
928 | if (ret) { |
929 | hid_err(hdev, "Cannot register input device\n"); | |
930 | goto err_stop; | |
931 | } | |
932 | ||
f363e4f6 DH |
933 | ret = input_register_device(wdata->ir); |
934 | if (ret) { | |
935 | hid_err(hdev, "Cannot register input device\n"); | |
936 | goto err_ir; | |
937 | } | |
938 | ||
98a558ae DH |
939 | ret = input_register_device(wdata->input); |
940 | if (ret) { | |
941 | hid_err(hdev, "Cannot register input device\n"); | |
942 | goto err_input; | |
943 | } | |
944 | ||
23a5a4a3 | 945 | ret = wiimote_leds_create(wdata); |
3989ef6c DH |
946 | if (ret) |
947 | goto err_free; | |
948 | ||
02fb72a0 | 949 | hid_info(hdev, "New device registered\n"); |
32a0d9a5 DH |
950 | |
951 | /* by default set led1 after device initialization */ | |
952 | spin_lock_irq(&wdata->state.lock); | |
db308346 | 953 | wiiproto_req_leds(wdata, WIIPROTO_FLAG_LED1); |
32a0d9a5 DH |
954 | spin_unlock_irq(&wdata->state.lock); |
955 | ||
fb51b443 | 956 | return 0; |
e894d0e3 | 957 | |
3989ef6c DH |
958 | err_free: |
959 | wiimote_destroy(wdata); | |
960 | return ret; | |
961 | ||
98a558ae | 962 | err_input: |
f363e4f6 DH |
963 | input_unregister_device(wdata->ir); |
964 | wdata->ir = NULL; | |
965 | err_ir: | |
98a558ae DH |
966 | input_unregister_device(wdata->accel); |
967 | wdata->accel = NULL; | |
672bc4e0 DH |
968 | err_stop: |
969 | hid_hw_stop(hdev); | |
e894d0e3 | 970 | err: |
f363e4f6 | 971 | input_free_device(wdata->ir); |
98a558ae | 972 | input_free_device(wdata->accel); |
672bc4e0 | 973 | input_free_device(wdata->input); |
3989ef6c | 974 | kfree(wdata); |
e894d0e3 | 975 | return ret; |
fb51b443 DH |
976 | } |
977 | ||
02fb72a0 DH |
978 | static void wiimote_hid_remove(struct hid_device *hdev) |
979 | { | |
e894d0e3 DH |
980 | struct wiimote_data *wdata = hid_get_drvdata(hdev); |
981 | ||
02fb72a0 | 982 | hid_info(hdev, "Device removed\n"); |
e894d0e3 | 983 | wiimote_destroy(wdata); |
02fb72a0 DH |
984 | } |
985 | ||
986 | static const struct hid_device_id wiimote_hid_devices[] = { | |
987 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, | |
988 | USB_DEVICE_ID_NINTENDO_WIIMOTE) }, | |
989 | { } | |
990 | }; | |
991 | MODULE_DEVICE_TABLE(hid, wiimote_hid_devices); | |
992 | ||
993 | static struct hid_driver wiimote_hid_driver = { | |
994 | .name = "wiimote", | |
995 | .id_table = wiimote_hid_devices, | |
996 | .probe = wiimote_hid_probe, | |
997 | .remove = wiimote_hid_remove, | |
998 | .raw_event = wiimote_hid_event, | |
999 | }; | |
1000 | ||
1001 | static int __init wiimote_init(void) | |
1002 | { | |
1003 | int ret; | |
1004 | ||
1005 | ret = hid_register_driver(&wiimote_hid_driver); | |
1006 | if (ret) | |
1007 | pr_err("Can't register wiimote hid driver\n"); | |
1008 | ||
1009 | return ret; | |
1010 | } | |
1011 | ||
fb51b443 DH |
1012 | static void __exit wiimote_exit(void) |
1013 | { | |
02fb72a0 | 1014 | hid_unregister_driver(&wiimote_hid_driver); |
fb51b443 DH |
1015 | } |
1016 | ||
1017 | module_init(wiimote_init); | |
1018 | module_exit(wiimote_exit); | |
1019 | MODULE_LICENSE("GPL"); | |
1020 | MODULE_AUTHOR("David Herrmann <dh.herrmann@gmail.com>"); | |
1021 | MODULE_DESCRIPTION(WIIMOTE_NAME " Device Driver"); | |
1022 | MODULE_VERSION(WIIMOTE_VERSION); |