Commit | Line | Data |
---|---|---|
fb51b443 | 1 | /* |
92eda7e4 DH |
2 | * HID driver for Nintendo Wii / Wii U peripherals |
3 | * Copyright (c) 2011-2013 David Herrmann <dh.herrmann@gmail.com> | |
fb51b443 DH |
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> |
fb51b443 | 17 | #include <linux/module.h> |
29d28064 | 18 | #include <linux/mutex.h> |
23c063cb | 19 | #include <linux/spinlock.h> |
02fb72a0 | 20 | #include "hid-ids.h" |
7e274400 | 21 | #include "hid-wiimote.h" |
fb51b443 | 22 | |
13938538 DH |
23 | /* output queue handling */ |
24 | ||
d758b1f0 DH |
25 | static int wiimote_hid_send(struct hid_device *hdev, __u8 *buffer, |
26 | size_t count) | |
0c218f14 DH |
27 | { |
28 | __u8 *buf; | |
d758b1f0 | 29 | int ret; |
0c218f14 DH |
30 | |
31 | if (!hdev->hid_output_raw_report) | |
32 | return -ENODEV; | |
33 | ||
34 | buf = kmemdup(buffer, count, GFP_KERNEL); | |
35 | if (!buf) | |
36 | return -ENOMEM; | |
37 | ||
38 | ret = hdev->hid_output_raw_report(hdev, buf, count, HID_OUTPUT_REPORT); | |
39 | ||
40 | kfree(buf); | |
41 | return ret; | |
42 | } | |
43 | ||
13938538 | 44 | static void wiimote_queue_worker(struct work_struct *work) |
23c063cb | 45 | { |
13938538 DH |
46 | struct wiimote_queue *queue = container_of(work, struct wiimote_queue, |
47 | worker); | |
48 | struct wiimote_data *wdata = container_of(queue, struct wiimote_data, | |
49 | queue); | |
23c063cb | 50 | unsigned long flags; |
d758b1f0 | 51 | int ret; |
23c063cb | 52 | |
13938538 | 53 | spin_lock_irqsave(&wdata->queue.lock, flags); |
23c063cb | 54 | |
13938538 DH |
55 | while (wdata->queue.head != wdata->queue.tail) { |
56 | spin_unlock_irqrestore(&wdata->queue.lock, flags); | |
d758b1f0 | 57 | ret = wiimote_hid_send(wdata->hdev, |
13938538 DH |
58 | wdata->queue.outq[wdata->queue.tail].data, |
59 | wdata->queue.outq[wdata->queue.tail].size); | |
d758b1f0 DH |
60 | if (ret < 0) { |
61 | spin_lock_irqsave(&wdata->state.lock, flags); | |
62 | wiimote_cmd_abort(wdata); | |
63 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
64 | } | |
13938538 | 65 | spin_lock_irqsave(&wdata->queue.lock, flags); |
23c063cb | 66 | |
13938538 | 67 | wdata->queue.tail = (wdata->queue.tail + 1) % WIIMOTE_BUFSIZE; |
23c063cb DH |
68 | } |
69 | ||
13938538 | 70 | spin_unlock_irqrestore(&wdata->queue.lock, flags); |
23c063cb DH |
71 | } |
72 | ||
73 | static void wiimote_queue(struct wiimote_data *wdata, const __u8 *buffer, | |
74 | size_t count) | |
75 | { | |
76 | unsigned long flags; | |
77 | __u8 newhead; | |
78 | ||
79 | if (count > HID_MAX_BUFFER_SIZE) { | |
80 | hid_warn(wdata->hdev, "Sending too large output report\n"); | |
d758b1f0 DH |
81 | |
82 | spin_lock_irqsave(&wdata->queue.lock, flags); | |
83 | goto out_error; | |
23c063cb DH |
84 | } |
85 | ||
86 | /* | |
87 | * Copy new request into our output queue and check whether the | |
88 | * queue is full. If it is full, discard this request. | |
89 | * If it is empty we need to start a new worker that will | |
90 | * send out the buffer to the hid device. | |
91 | * If the queue is not empty, then there must be a worker | |
92 | * that is currently sending out our buffer and this worker | |
93 | * will reschedule itself until the queue is empty. | |
94 | */ | |
95 | ||
13938538 | 96 | spin_lock_irqsave(&wdata->queue.lock, flags); |
23c063cb | 97 | |
13938538 DH |
98 | memcpy(wdata->queue.outq[wdata->queue.head].data, buffer, count); |
99 | wdata->queue.outq[wdata->queue.head].size = count; | |
100 | newhead = (wdata->queue.head + 1) % WIIMOTE_BUFSIZE; | |
23c063cb | 101 | |
13938538 DH |
102 | if (wdata->queue.head == wdata->queue.tail) { |
103 | wdata->queue.head = newhead; | |
104 | schedule_work(&wdata->queue.worker); | |
105 | } else if (newhead != wdata->queue.tail) { | |
106 | wdata->queue.head = newhead; | |
23c063cb DH |
107 | } else { |
108 | hid_warn(wdata->hdev, "Output queue is full"); | |
d758b1f0 | 109 | goto out_error; |
23c063cb DH |
110 | } |
111 | ||
d758b1f0 DH |
112 | goto out_unlock; |
113 | ||
114 | out_error: | |
115 | wiimote_cmd_abort(wdata); | |
116 | out_unlock: | |
13938538 | 117 | spin_unlock_irqrestore(&wdata->queue.lock, flags); |
23c063cb DH |
118 | } |
119 | ||
c003ec21 DH |
120 | /* |
121 | * This sets the rumble bit on the given output report if rumble is | |
122 | * currently enabled. | |
123 | * \cmd1 must point to the second byte in the output report => &cmd[1] | |
124 | * This must be called on nearly every output report before passing it | |
125 | * into the output queue! | |
126 | */ | |
127 | static inline void wiiproto_keep_rumble(struct wiimote_data *wdata, __u8 *cmd1) | |
128 | { | |
129 | if (wdata->state.flags & WIIPROTO_FLAG_RUMBLE) | |
130 | *cmd1 |= 0x01; | |
131 | } | |
132 | ||
20cef813 | 133 | void wiiproto_req_rumble(struct wiimote_data *wdata, __u8 rumble) |
c003ec21 DH |
134 | { |
135 | __u8 cmd[2]; | |
136 | ||
137 | rumble = !!rumble; | |
138 | if (rumble == !!(wdata->state.flags & WIIPROTO_FLAG_RUMBLE)) | |
139 | return; | |
140 | ||
141 | if (rumble) | |
142 | wdata->state.flags |= WIIPROTO_FLAG_RUMBLE; | |
143 | else | |
144 | wdata->state.flags &= ~WIIPROTO_FLAG_RUMBLE; | |
145 | ||
146 | cmd[0] = WIIPROTO_REQ_RUMBLE; | |
147 | cmd[1] = 0; | |
148 | ||
149 | wiiproto_keep_rumble(wdata, &cmd[1]); | |
150 | wiimote_queue(wdata, cmd, sizeof(cmd)); | |
151 | } | |
152 | ||
6c5ae018 | 153 | void wiiproto_req_leds(struct wiimote_data *wdata, int leds) |
db308346 DH |
154 | { |
155 | __u8 cmd[2]; | |
156 | ||
32a0d9a5 DH |
157 | leds &= WIIPROTO_FLAGS_LEDS; |
158 | if ((wdata->state.flags & WIIPROTO_FLAGS_LEDS) == leds) | |
159 | return; | |
160 | wdata->state.flags = (wdata->state.flags & ~WIIPROTO_FLAGS_LEDS) | leds; | |
161 | ||
db308346 DH |
162 | cmd[0] = WIIPROTO_REQ_LED; |
163 | cmd[1] = 0; | |
164 | ||
165 | if (leds & WIIPROTO_FLAG_LED1) | |
166 | cmd[1] |= 0x10; | |
167 | if (leds & WIIPROTO_FLAG_LED2) | |
168 | cmd[1] |= 0x20; | |
169 | if (leds & WIIPROTO_FLAG_LED3) | |
170 | cmd[1] |= 0x40; | |
171 | if (leds & WIIPROTO_FLAG_LED4) | |
172 | cmd[1] |= 0x80; | |
173 | ||
c003ec21 | 174 | wiiproto_keep_rumble(wdata, &cmd[1]); |
db308346 DH |
175 | wiimote_queue(wdata, cmd, sizeof(cmd)); |
176 | } | |
177 | ||
2cb5e4bc DH |
178 | /* |
179 | * Check what peripherals of the wiimote are currently | |
180 | * active and select a proper DRM that supports all of | |
181 | * the requested data inputs. | |
182 | */ | |
183 | static __u8 select_drm(struct wiimote_data *wdata) | |
184 | { | |
f363e4f6 | 185 | __u8 ir = wdata->state.flags & WIIPROTO_FLAGS_IR; |
cb99221b | 186 | bool ext = wiiext_active(wdata); |
f363e4f6 DH |
187 | |
188 | if (ir == WIIPROTO_FLAG_IR_BASIC) { | |
189 | if (wdata->state.flags & WIIPROTO_FLAG_ACCEL) | |
190 | return WIIPROTO_REQ_DRM_KAIE; | |
191 | else | |
192 | return WIIPROTO_REQ_DRM_KIE; | |
193 | } else if (ir == WIIPROTO_FLAG_IR_EXT) { | |
194 | return WIIPROTO_REQ_DRM_KAI; | |
195 | } else if (ir == WIIPROTO_FLAG_IR_FULL) { | |
196 | return WIIPROTO_REQ_DRM_SKAI1; | |
197 | } else { | |
cb99221b DH |
198 | if (wdata->state.flags & WIIPROTO_FLAG_ACCEL) { |
199 | if (ext) | |
200 | return WIIPROTO_REQ_DRM_KAE; | |
201 | else | |
202 | return WIIPROTO_REQ_DRM_KA; | |
203 | } else { | |
204 | if (ext) | |
205 | return WIIPROTO_REQ_DRM_KE; | |
206 | else | |
207 | return WIIPROTO_REQ_DRM_K; | |
208 | } | |
f363e4f6 | 209 | } |
2cb5e4bc DH |
210 | } |
211 | ||
7e274400 | 212 | void wiiproto_req_drm(struct wiimote_data *wdata, __u8 drm) |
2cb5e4bc DH |
213 | { |
214 | __u8 cmd[3]; | |
215 | ||
216 | if (drm == WIIPROTO_REQ_NULL) | |
217 | drm = select_drm(wdata); | |
218 | ||
219 | cmd[0] = WIIPROTO_REQ_DRM; | |
220 | cmd[1] = 0; | |
221 | cmd[2] = drm; | |
222 | ||
43d782ae | 223 | wdata->state.drm = drm; |
c003ec21 | 224 | wiiproto_keep_rumble(wdata, &cmd[1]); |
2cb5e4bc DH |
225 | wiimote_queue(wdata, cmd, sizeof(cmd)); |
226 | } | |
227 | ||
dcf39231 | 228 | void wiiproto_req_status(struct wiimote_data *wdata) |
e3979a91 DH |
229 | { |
230 | __u8 cmd[2]; | |
231 | ||
232 | cmd[0] = WIIPROTO_REQ_SREQ; | |
233 | cmd[1] = 0; | |
234 | ||
235 | wiiproto_keep_rumble(wdata, &cmd[1]); | |
236 | wiimote_queue(wdata, cmd, sizeof(cmd)); | |
237 | } | |
238 | ||
0ea16757 | 239 | void wiiproto_req_accel(struct wiimote_data *wdata, __u8 accel) |
98a558ae DH |
240 | { |
241 | accel = !!accel; | |
242 | if (accel == !!(wdata->state.flags & WIIPROTO_FLAG_ACCEL)) | |
243 | return; | |
244 | ||
245 | if (accel) | |
246 | wdata->state.flags |= WIIPROTO_FLAG_ACCEL; | |
247 | else | |
248 | wdata->state.flags &= ~WIIPROTO_FLAG_ACCEL; | |
249 | ||
250 | wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); | |
251 | } | |
252 | ||
3b5f03c4 | 253 | void wiiproto_req_ir1(struct wiimote_data *wdata, __u8 flags) |
fc221cda DH |
254 | { |
255 | __u8 cmd[2]; | |
256 | ||
257 | cmd[0] = WIIPROTO_REQ_IR1; | |
258 | cmd[1] = flags; | |
259 | ||
260 | wiiproto_keep_rumble(wdata, &cmd[1]); | |
261 | wiimote_queue(wdata, cmd, sizeof(cmd)); | |
262 | } | |
263 | ||
3b5f03c4 | 264 | void wiiproto_req_ir2(struct wiimote_data *wdata, __u8 flags) |
fc221cda DH |
265 | { |
266 | __u8 cmd[2]; | |
267 | ||
268 | cmd[0] = WIIPROTO_REQ_IR2; | |
269 | cmd[1] = flags; | |
270 | ||
271 | wiiproto_keep_rumble(wdata, &cmd[1]); | |
272 | wiimote_queue(wdata, cmd, sizeof(cmd)); | |
273 | } | |
274 | ||
be1ecd62 DH |
275 | #define wiiproto_req_wreg(wdata, os, buf, sz) \ |
276 | wiiproto_req_wmem((wdata), false, (os), (buf), (sz)) | |
277 | ||
278 | #define wiiproto_req_weeprom(wdata, os, buf, sz) \ | |
279 | wiiproto_req_wmem((wdata), true, (os), (buf), (sz)) | |
280 | ||
281 | static void wiiproto_req_wmem(struct wiimote_data *wdata, bool eeprom, | |
282 | __u32 offset, const __u8 *buf, __u8 size) | |
283 | { | |
284 | __u8 cmd[22]; | |
285 | ||
286 | if (size > 16 || size == 0) { | |
287 | hid_warn(wdata->hdev, "Invalid length %d wmem request\n", size); | |
288 | return; | |
289 | } | |
290 | ||
291 | memset(cmd, 0, sizeof(cmd)); | |
292 | cmd[0] = WIIPROTO_REQ_WMEM; | |
293 | cmd[2] = (offset >> 16) & 0xff; | |
294 | cmd[3] = (offset >> 8) & 0xff; | |
295 | cmd[4] = offset & 0xff; | |
296 | cmd[5] = size; | |
297 | memcpy(&cmd[6], buf, size); | |
298 | ||
299 | if (!eeprom) | |
300 | cmd[1] |= 0x04; | |
301 | ||
302 | wiiproto_keep_rumble(wdata, &cmd[1]); | |
303 | wiimote_queue(wdata, cmd, sizeof(cmd)); | |
304 | } | |
305 | ||
1d3452c6 DH |
306 | void wiiproto_req_rmem(struct wiimote_data *wdata, bool eeprom, __u32 offset, |
307 | __u16 size) | |
fad8c0e3 DH |
308 | { |
309 | __u8 cmd[7]; | |
310 | ||
311 | if (size == 0) { | |
312 | hid_warn(wdata->hdev, "Invalid length %d rmem request\n", size); | |
313 | return; | |
314 | } | |
315 | ||
316 | cmd[0] = WIIPROTO_REQ_RMEM; | |
317 | cmd[1] = 0; | |
318 | cmd[2] = (offset >> 16) & 0xff; | |
319 | cmd[3] = (offset >> 8) & 0xff; | |
320 | cmd[4] = offset & 0xff; | |
321 | cmd[5] = (size >> 8) & 0xff; | |
322 | cmd[6] = size & 0xff; | |
323 | ||
324 | if (!eeprom) | |
325 | cmd[1] |= 0x04; | |
326 | ||
327 | wiiproto_keep_rumble(wdata, &cmd[1]); | |
328 | wiimote_queue(wdata, cmd, sizeof(cmd)); | |
329 | } | |
330 | ||
33e84013 | 331 | /* requries the cmd-mutex to be held */ |
7e274400 | 332 | int wiimote_cmd_write(struct wiimote_data *wdata, __u32 offset, |
33e84013 DH |
333 | const __u8 *wmem, __u8 size) |
334 | { | |
335 | unsigned long flags; | |
336 | int ret; | |
337 | ||
338 | spin_lock_irqsave(&wdata->state.lock, flags); | |
339 | wiimote_cmd_set(wdata, WIIPROTO_REQ_WMEM, 0); | |
340 | wiiproto_req_wreg(wdata, offset, wmem, size); | |
341 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
342 | ||
343 | ret = wiimote_cmd_wait(wdata); | |
344 | if (!ret && wdata->state.cmd_err) | |
345 | ret = -EIO; | |
346 | ||
347 | return ret; | |
348 | } | |
349 | ||
fad8c0e3 DH |
350 | /* requries the cmd-mutex to be held */ |
351 | ssize_t wiimote_cmd_read(struct wiimote_data *wdata, __u32 offset, __u8 *rmem, | |
352 | __u8 size) | |
353 | { | |
354 | unsigned long flags; | |
355 | ssize_t ret; | |
356 | ||
357 | spin_lock_irqsave(&wdata->state.lock, flags); | |
358 | wdata->state.cmd_read_size = size; | |
359 | wdata->state.cmd_read_buf = rmem; | |
360 | wiimote_cmd_set(wdata, WIIPROTO_REQ_RMEM, offset & 0xffff); | |
361 | wiiproto_req_rreg(wdata, offset, size); | |
362 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
363 | ||
364 | ret = wiimote_cmd_wait(wdata); | |
365 | ||
366 | spin_lock_irqsave(&wdata->state.lock, flags); | |
367 | wdata->state.cmd_read_buf = NULL; | |
368 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
369 | ||
370 | if (!ret) { | |
371 | if (wdata->state.cmd_read_size == 0) | |
372 | ret = -EIO; | |
373 | else | |
374 | ret = wdata->state.cmd_read_size; | |
375 | } | |
376 | ||
377 | return ret; | |
378 | } | |
379 | ||
c57ff761 DH |
380 | /* requires the cmd-mutex to be held */ |
381 | static int wiimote_cmd_init_ext(struct wiimote_data *wdata) | |
382 | { | |
383 | __u8 wmem; | |
384 | int ret; | |
385 | ||
386 | /* initialize extension */ | |
387 | wmem = 0x55; | |
388 | ret = wiimote_cmd_write(wdata, 0xa400f0, &wmem, sizeof(wmem)); | |
389 | if (ret) | |
390 | return ret; | |
391 | ||
392 | /* disable default encryption */ | |
393 | wmem = 0x0; | |
394 | ret = wiimote_cmd_write(wdata, 0xa400fb, &wmem, sizeof(wmem)); | |
395 | if (ret) | |
396 | return ret; | |
397 | ||
398 | return 0; | |
399 | } | |
400 | ||
401 | /* requires the cmd-mutex to be held */ | |
402 | static __u8 wiimote_cmd_read_ext(struct wiimote_data *wdata) | |
403 | { | |
404 | __u8 rmem[6]; | |
405 | int ret; | |
406 | ||
407 | /* read extension ID */ | |
408 | ret = wiimote_cmd_read(wdata, 0xa400fa, rmem, 6); | |
409 | if (ret != 6) | |
410 | return WIIMOTE_EXT_NONE; | |
411 | ||
412 | if (rmem[0] == 0xff && rmem[1] == 0xff && rmem[2] == 0xff && | |
413 | rmem[3] == 0xff && rmem[4] == 0xff && rmem[5] == 0xff) | |
414 | return WIIMOTE_EXT_NONE; | |
415 | ||
416 | return WIIMOTE_EXT_UNKNOWN; | |
417 | } | |
418 | ||
27f06942 DH |
419 | /* device module handling */ |
420 | ||
421 | static const __u8 * const wiimote_devtype_mods[WIIMOTE_DEV_NUM] = { | |
422 | [WIIMOTE_DEV_PENDING] = (const __u8[]){ | |
423 | WIIMOD_NULL, | |
424 | }, | |
425 | [WIIMOTE_DEV_UNKNOWN] = (const __u8[]){ | |
426 | WIIMOD_NULL, | |
427 | }, | |
428 | [WIIMOTE_DEV_GENERIC] = (const __u8[]){ | |
20cef813 DH |
429 | WIIMOD_KEYS, |
430 | WIIMOD_RUMBLE, | |
dcf39231 | 431 | WIIMOD_BATTERY, |
6c5ae018 DH |
432 | WIIMOD_LED1, |
433 | WIIMOD_LED2, | |
434 | WIIMOD_LED3, | |
435 | WIIMOD_LED4, | |
0ea16757 | 436 | WIIMOD_ACCEL, |
3b5f03c4 | 437 | WIIMOD_IR, |
27f06942 DH |
438 | WIIMOD_NULL, |
439 | }, | |
440 | [WIIMOTE_DEV_GEN10] = (const __u8[]){ | |
20cef813 DH |
441 | WIIMOD_KEYS, |
442 | WIIMOD_RUMBLE, | |
dcf39231 | 443 | WIIMOD_BATTERY, |
6c5ae018 DH |
444 | WIIMOD_LED1, |
445 | WIIMOD_LED2, | |
446 | WIIMOD_LED3, | |
447 | WIIMOD_LED4, | |
0ea16757 | 448 | WIIMOD_ACCEL, |
3b5f03c4 | 449 | WIIMOD_IR, |
27f06942 DH |
450 | WIIMOD_NULL, |
451 | }, | |
452 | [WIIMOTE_DEV_GEN20] = (const __u8[]){ | |
20cef813 DH |
453 | WIIMOD_KEYS, |
454 | WIIMOD_RUMBLE, | |
dcf39231 | 455 | WIIMOD_BATTERY, |
6c5ae018 DH |
456 | WIIMOD_LED1, |
457 | WIIMOD_LED2, | |
458 | WIIMOD_LED3, | |
459 | WIIMOD_LED4, | |
0ea16757 | 460 | WIIMOD_ACCEL, |
3b5f03c4 | 461 | WIIMOD_IR, |
27f06942 DH |
462 | WIIMOD_NULL, |
463 | }, | |
464 | }; | |
465 | ||
466 | static void wiimote_modules_load(struct wiimote_data *wdata, | |
467 | unsigned int devtype) | |
468 | { | |
469 | bool need_input = false; | |
470 | const __u8 *mods, *iter; | |
471 | const struct wiimod_ops *ops; | |
472 | int ret; | |
473 | ||
474 | mods = wiimote_devtype_mods[devtype]; | |
475 | ||
476 | for (iter = mods; *iter != WIIMOD_NULL; ++iter) { | |
477 | if (wiimod_table[*iter]->flags & WIIMOD_FLAG_INPUT) { | |
478 | need_input = true; | |
479 | break; | |
480 | } | |
481 | } | |
482 | ||
483 | if (need_input) { | |
484 | wdata->input = input_allocate_device(); | |
485 | if (!wdata->input) | |
486 | return; | |
487 | ||
488 | input_set_drvdata(wdata->input, wdata); | |
489 | wdata->input->dev.parent = &wdata->hdev->dev; | |
490 | wdata->input->id.bustype = wdata->hdev->bus; | |
491 | wdata->input->id.vendor = wdata->hdev->vendor; | |
492 | wdata->input->id.product = wdata->hdev->product; | |
493 | wdata->input->id.version = wdata->hdev->version; | |
494 | wdata->input->name = WIIMOTE_NAME; | |
495 | } | |
496 | ||
497 | for (iter = mods; *iter != WIIMOD_NULL; ++iter) { | |
498 | ops = wiimod_table[*iter]; | |
499 | if (!ops->probe) | |
500 | continue; | |
501 | ||
502 | ret = ops->probe(ops, wdata); | |
503 | if (ret) | |
504 | goto error; | |
505 | } | |
506 | ||
507 | if (wdata->input) { | |
508 | ret = input_register_device(wdata->input); | |
509 | if (ret) | |
510 | goto error; | |
511 | } | |
512 | ||
513 | spin_lock_irq(&wdata->state.lock); | |
514 | wdata->state.devtype = devtype; | |
515 | spin_unlock_irq(&wdata->state.lock); | |
516 | return; | |
517 | ||
518 | error: | |
519 | for ( ; iter-- != mods; ) { | |
520 | ops = wiimod_table[*iter]; | |
521 | if (ops->remove) | |
522 | ops->remove(ops, wdata); | |
523 | } | |
524 | ||
525 | if (wdata->input) { | |
526 | input_free_device(wdata->input); | |
527 | wdata->input = NULL; | |
528 | } | |
529 | } | |
530 | ||
531 | static void wiimote_modules_unload(struct wiimote_data *wdata) | |
532 | { | |
533 | const __u8 *mods, *iter; | |
534 | const struct wiimod_ops *ops; | |
535 | unsigned long flags; | |
536 | ||
537 | mods = wiimote_devtype_mods[wdata->state.devtype]; | |
538 | ||
539 | spin_lock_irqsave(&wdata->state.lock, flags); | |
540 | wdata->state.devtype = WIIMOTE_DEV_UNKNOWN; | |
541 | spin_unlock_irqrestore(&wdata->state.lock, flags); | |
542 | ||
543 | /* find end of list */ | |
544 | for (iter = mods; *iter != WIIMOD_NULL; ++iter) | |
545 | /* empty */ ; | |
546 | ||
547 | if (wdata->input) { | |
548 | input_get_device(wdata->input); | |
549 | input_unregister_device(wdata->input); | |
550 | } | |
551 | ||
552 | for ( ; iter-- != mods; ) { | |
553 | ops = wiimod_table[*iter]; | |
554 | if (ops->remove) | |
555 | ops->remove(ops, wdata); | |
556 | } | |
557 | ||
558 | if (wdata->input) { | |
559 | input_put_device(wdata->input); | |
560 | wdata->input = NULL; | |
561 | } | |
562 | } | |
563 | ||
c57ff761 DH |
564 | /* device (re-)initialization and detection */ |
565 | ||
566 | static const char *wiimote_devtype_names[WIIMOTE_DEV_NUM] = { | |
567 | [WIIMOTE_DEV_PENDING] = "Pending", | |
568 | [WIIMOTE_DEV_UNKNOWN] = "Unknown", | |
569 | [WIIMOTE_DEV_GENERIC] = "Generic", | |
570 | [WIIMOTE_DEV_GEN10] = "Nintendo Wii Remote (Gen 1)", | |
571 | [WIIMOTE_DEV_GEN20] = "Nintendo Wii Remote Plus (Gen 2)", | |
572 | }; | |
573 | ||
574 | /* Try to guess the device type based on all collected information. We | |
575 | * first try to detect by static extension types, then VID/PID and the | |
576 | * device name. If we cannot detect the device, we use | |
577 | * WIIMOTE_DEV_GENERIC so all modules will get probed on the device. */ | |
578 | static void wiimote_init_set_type(struct wiimote_data *wdata, | |
579 | __u8 exttype) | |
580 | { | |
581 | __u8 devtype = WIIMOTE_DEV_GENERIC; | |
582 | __u16 vendor, product; | |
583 | const char *name; | |
584 | ||
585 | vendor = wdata->hdev->vendor; | |
586 | product = wdata->hdev->product; | |
587 | name = wdata->hdev->name; | |
588 | ||
589 | if (!strcmp(name, "Nintendo RVL-CNT-01")) { | |
590 | devtype = WIIMOTE_DEV_GEN10; | |
591 | goto done; | |
592 | } else if (!strcmp(name, "Nintendo RVL-CNT-01-TR")) { | |
593 | devtype = WIIMOTE_DEV_GEN20; | |
594 | goto done; | |
595 | } | |
596 | ||
597 | if (vendor == USB_VENDOR_ID_NINTENDO) { | |
598 | if (product == USB_DEVICE_ID_NINTENDO_WIIMOTE) { | |
599 | devtype = WIIMOTE_DEV_GEN10; | |
600 | goto done; | |
601 | } else if (product == USB_DEVICE_ID_NINTENDO_WIIMOTE2) { | |
602 | devtype = WIIMOTE_DEV_GEN20; | |
603 | goto done; | |
604 | } | |
605 | } | |
606 | ||
607 | done: | |
608 | if (devtype == WIIMOTE_DEV_GENERIC) | |
609 | hid_info(wdata->hdev, "cannot detect device; NAME: %s VID: %04x PID: %04x EXT: %04x\n", | |
610 | name, vendor, product, exttype); | |
611 | else | |
612 | hid_info(wdata->hdev, "detected device: %s\n", | |
613 | wiimote_devtype_names[devtype]); | |
614 | ||
27f06942 | 615 | wiimote_modules_load(wdata, devtype); |
c57ff761 DH |
616 | } |
617 | ||
618 | static void wiimote_init_detect(struct wiimote_data *wdata) | |
619 | { | |
620 | __u8 exttype = WIIMOTE_EXT_NONE; | |
621 | bool ext; | |
622 | int ret; | |
623 | ||
624 | wiimote_cmd_acquire_noint(wdata); | |
625 | ||
626 | spin_lock_irq(&wdata->state.lock); | |
27f06942 | 627 | wdata->state.devtype = WIIMOTE_DEV_UNKNOWN; |
c57ff761 DH |
628 | wiimote_cmd_set(wdata, WIIPROTO_REQ_SREQ, 0); |
629 | wiiproto_req_status(wdata); | |
630 | spin_unlock_irq(&wdata->state.lock); | |
631 | ||
632 | ret = wiimote_cmd_wait_noint(wdata); | |
633 | if (ret) | |
634 | goto out_release; | |
635 | ||
636 | spin_lock_irq(&wdata->state.lock); | |
637 | ext = wdata->state.flags & WIIPROTO_FLAG_EXT_PLUGGED; | |
638 | spin_unlock_irq(&wdata->state.lock); | |
639 | ||
640 | if (!ext) | |
641 | goto out_release; | |
642 | ||
643 | wiimote_cmd_init_ext(wdata); | |
644 | exttype = wiimote_cmd_read_ext(wdata); | |
645 | ||
646 | out_release: | |
647 | wiimote_cmd_release(wdata); | |
648 | wiimote_init_set_type(wdata, exttype); | |
649 | } | |
650 | ||
651 | static void wiimote_init_worker(struct work_struct *work) | |
652 | { | |
653 | struct wiimote_data *wdata = container_of(work, struct wiimote_data, | |
654 | init_worker); | |
655 | ||
656 | if (wdata->state.devtype == WIIMOTE_DEV_PENDING) | |
657 | wiimote_init_detect(wdata); | |
658 | } | |
659 | ||
660 | /* protocol handlers */ | |
661 | ||
1abb9ad3 DH |
662 | static void handler_keys(struct wiimote_data *wdata, const __u8 *payload) |
663 | { | |
20cef813 DH |
664 | const __u8 *iter, *mods; |
665 | const struct wiimod_ops *ops; | |
666 | ||
667 | mods = wiimote_devtype_mods[wdata->state.devtype]; | |
668 | for (iter = mods; *iter != WIIMOD_NULL; ++iter) { | |
669 | ops = wiimod_table[*iter]; | |
670 | if (ops->in_keys) { | |
671 | ops->in_keys(wdata, payload); | |
672 | break; | |
673 | } | |
674 | } | |
1abb9ad3 DH |
675 | } |
676 | ||
efcf9188 DH |
677 | static void handler_accel(struct wiimote_data *wdata, const __u8 *payload) |
678 | { | |
0ea16757 DH |
679 | const __u8 *iter, *mods; |
680 | const struct wiimod_ops *ops; | |
efcf9188 | 681 | |
0ea16757 DH |
682 | mods = wiimote_devtype_mods[wdata->state.devtype]; |
683 | for (iter = mods; *iter != WIIMOD_NULL; ++iter) { | |
684 | ops = wiimod_table[*iter]; | |
685 | if (ops->in_accel) { | |
686 | ops->in_accel(wdata, payload); | |
687 | break; | |
688 | } | |
689 | } | |
efcf9188 DH |
690 | } |
691 | ||
3b5f03c4 DH |
692 | #define ir_to_input0(wdata, ir, packed) handler_ir((wdata), (ir), (packed), 0) |
693 | #define ir_to_input1(wdata, ir, packed) handler_ir((wdata), (ir), (packed), 1) | |
694 | #define ir_to_input2(wdata, ir, packed) handler_ir((wdata), (ir), (packed), 2) | |
695 | #define ir_to_input3(wdata, ir, packed) handler_ir((wdata), (ir), (packed), 3) | |
eac39e7e | 696 | |
3b5f03c4 DH |
697 | static void handler_ir(struct wiimote_data *wdata, const __u8 *payload, |
698 | bool packed, unsigned int id) | |
699 | { | |
700 | const __u8 *iter, *mods; | |
701 | const struct wiimod_ops *ops; | |
eac39e7e | 702 | |
3b5f03c4 DH |
703 | mods = wiimote_devtype_mods[wdata->state.devtype]; |
704 | for (iter = mods; *iter != WIIMOD_NULL; ++iter) { | |
705 | ops = wiimod_table[*iter]; | |
706 | if (ops->in_ir) { | |
707 | ops->in_ir(wdata, payload, packed, id); | |
708 | break; | |
709 | } | |
eac39e7e | 710 | } |
eac39e7e | 711 | } |
efcf9188 | 712 | |
2d44e3d2 DH |
713 | /* reduced status report with "BB BB" key data only */ |
714 | static void handler_status_K(struct wiimote_data *wdata, | |
715 | const __u8 *payload) | |
c87019e4 DH |
716 | { |
717 | handler_keys(wdata, payload); | |
718 | ||
719 | /* on status reports the drm is reset so we need to resend the drm */ | |
720 | wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL); | |
2d44e3d2 DH |
721 | } |
722 | ||
723 | /* extended status report with "BB BB LF 00 00 VV" data */ | |
724 | static void handler_status(struct wiimote_data *wdata, const __u8 *payload) | |
725 | { | |
726 | handler_status_K(wdata, payload); | |
e3979a91 | 727 | |
c57ff761 DH |
728 | /* update extension status */ |
729 | if (payload[2] & 0x02) { | |
730 | wdata->state.flags |= WIIPROTO_FLAG_EXT_PLUGGED; | |
731 | wiiext_event(wdata, true); | |
732 | } else { | |
733 | wdata->state.flags &= ~WIIPROTO_FLAG_EXT_PLUGGED; | |
734 | wiiext_event(wdata, false); | |
735 | } | |
cb99221b | 736 | |
6b80bb94 DH |
737 | wdata->state.cmd_battery = payload[5]; |
738 | if (wiimote_cmd_pending(wdata, WIIPROTO_REQ_SREQ, 0)) | |
e3979a91 | 739 | wiimote_cmd_complete(wdata); |
c87019e4 DH |
740 | } |
741 | ||
2d44e3d2 DH |
742 | /* reduced generic report with "BB BB" key data only */ |
743 | static void handler_generic_K(struct wiimote_data *wdata, const __u8 *payload) | |
744 | { | |
745 | handler_keys(wdata, payload); | |
746 | } | |
747 | ||
be1ecd62 DH |
748 | static void handler_data(struct wiimote_data *wdata, const __u8 *payload) |
749 | { | |
fad8c0e3 DH |
750 | __u16 offset = payload[3] << 8 | payload[4]; |
751 | __u8 size = (payload[2] >> 4) + 1; | |
752 | __u8 err = payload[2] & 0x0f; | |
753 | ||
be1ecd62 | 754 | handler_keys(wdata, payload); |
fad8c0e3 DH |
755 | |
756 | if (wiimote_cmd_pending(wdata, WIIPROTO_REQ_RMEM, offset)) { | |
757 | if (err) | |
758 | size = 0; | |
759 | else if (size > wdata->state.cmd_read_size) | |
760 | size = wdata->state.cmd_read_size; | |
761 | ||
762 | wdata->state.cmd_read_size = size; | |
763 | if (wdata->state.cmd_read_buf) | |
764 | memcpy(wdata->state.cmd_read_buf, &payload[5], size); | |
765 | wiimote_cmd_complete(wdata); | |
766 | } | |
be1ecd62 DH |
767 | } |
768 | ||
c87019e4 DH |
769 | static void handler_return(struct wiimote_data *wdata, const __u8 *payload) |
770 | { | |
771 | __u8 err = payload[3]; | |
772 | __u8 cmd = payload[2]; | |
773 | ||
774 | handler_keys(wdata, payload); | |
775 | ||
33e84013 DH |
776 | if (wiimote_cmd_pending(wdata, cmd, 0)) { |
777 | wdata->state.cmd_err = err; | |
778 | wiimote_cmd_complete(wdata); | |
779 | } else if (err) { | |
c87019e4 DH |
780 | hid_warn(wdata->hdev, "Remote error %hhu on req %hhu\n", err, |
781 | cmd); | |
33e84013 | 782 | } |
c87019e4 DH |
783 | } |
784 | ||
efcf9188 DH |
785 | static void handler_drm_KA(struct wiimote_data *wdata, const __u8 *payload) |
786 | { | |
787 | handler_keys(wdata, payload); | |
788 | handler_accel(wdata, payload); | |
789 | } | |
790 | ||
7336b9f9 DH |
791 | static void handler_drm_KE(struct wiimote_data *wdata, const __u8 *payload) |
792 | { | |
793 | handler_keys(wdata, payload); | |
0b6815d7 | 794 | wiiext_handle(wdata, &payload[2]); |
7336b9f9 DH |
795 | } |
796 | ||
efcf9188 DH |
797 | static void handler_drm_KAI(struct wiimote_data *wdata, const __u8 *payload) |
798 | { | |
799 | handler_keys(wdata, payload); | |
800 | handler_accel(wdata, payload); | |
eac39e7e DH |
801 | ir_to_input0(wdata, &payload[5], false); |
802 | ir_to_input1(wdata, &payload[8], false); | |
803 | ir_to_input2(wdata, &payload[11], false); | |
804 | ir_to_input3(wdata, &payload[14], false); | |
eac39e7e DH |
805 | } |
806 | ||
7336b9f9 DH |
807 | static void handler_drm_KEE(struct wiimote_data *wdata, const __u8 *payload) |
808 | { | |
809 | handler_keys(wdata, payload); | |
0b6815d7 | 810 | wiiext_handle(wdata, &payload[2]); |
7336b9f9 DH |
811 | } |
812 | ||
eac39e7e DH |
813 | static void handler_drm_KIE(struct wiimote_data *wdata, const __u8 *payload) |
814 | { | |
815 | handler_keys(wdata, payload); | |
816 | ir_to_input0(wdata, &payload[2], false); | |
817 | ir_to_input1(wdata, &payload[4], true); | |
818 | ir_to_input2(wdata, &payload[7], false); | |
819 | ir_to_input3(wdata, &payload[9], true); | |
0b6815d7 | 820 | wiiext_handle(wdata, &payload[12]); |
efcf9188 DH |
821 | } |
822 | ||
823 | static void handler_drm_KAE(struct wiimote_data *wdata, const __u8 *payload) | |
824 | { | |
825 | handler_keys(wdata, payload); | |
826 | handler_accel(wdata, payload); | |
0b6815d7 | 827 | wiiext_handle(wdata, &payload[5]); |
efcf9188 DH |
828 | } |
829 | ||
830 | static void handler_drm_KAIE(struct wiimote_data *wdata, const __u8 *payload) | |
831 | { | |
832 | handler_keys(wdata, payload); | |
833 | handler_accel(wdata, payload); | |
eac39e7e DH |
834 | ir_to_input0(wdata, &payload[5], false); |
835 | ir_to_input1(wdata, &payload[7], true); | |
836 | ir_to_input2(wdata, &payload[10], false); | |
837 | ir_to_input3(wdata, &payload[12], true); | |
0b6815d7 | 838 | wiiext_handle(wdata, &payload[15]); |
efcf9188 DH |
839 | } |
840 | ||
7336b9f9 DH |
841 | static void handler_drm_E(struct wiimote_data *wdata, const __u8 *payload) |
842 | { | |
0b6815d7 | 843 | wiiext_handle(wdata, payload); |
7336b9f9 DH |
844 | } |
845 | ||
efcf9188 DH |
846 | static void handler_drm_SKAI1(struct wiimote_data *wdata, const __u8 *payload) |
847 | { | |
848 | handler_keys(wdata, payload); | |
849 | ||
850 | wdata->state.accel_split[0] = payload[2]; | |
851 | wdata->state.accel_split[1] = (payload[0] >> 1) & (0x10 | 0x20); | |
852 | wdata->state.accel_split[1] |= (payload[1] << 1) & (0x40 | 0x80); | |
eac39e7e DH |
853 | |
854 | ir_to_input0(wdata, &payload[3], false); | |
855 | ir_to_input1(wdata, &payload[12], false); | |
efcf9188 DH |
856 | } |
857 | ||
858 | static void handler_drm_SKAI2(struct wiimote_data *wdata, const __u8 *payload) | |
859 | { | |
860 | __u8 buf[5]; | |
861 | ||
862 | handler_keys(wdata, payload); | |
863 | ||
864 | wdata->state.accel_split[1] |= (payload[0] >> 5) & (0x01 | 0x02); | |
865 | wdata->state.accel_split[1] |= (payload[1] >> 3) & (0x04 | 0x08); | |
866 | ||
867 | buf[0] = 0; | |
868 | buf[1] = 0; | |
869 | buf[2] = wdata->state.accel_split[0]; | |
870 | buf[3] = payload[2]; | |
871 | buf[4] = wdata->state.accel_split[1]; | |
872 | handler_accel(wdata, buf); | |
eac39e7e DH |
873 | |
874 | ir_to_input2(wdata, &payload[3], false); | |
875 | ir_to_input3(wdata, &payload[12], false); | |
efcf9188 DH |
876 | } |
877 | ||
a4d19197 DH |
878 | struct wiiproto_handler { |
879 | __u8 id; | |
880 | size_t size; | |
881 | void (*func)(struct wiimote_data *wdata, const __u8 *payload); | |
882 | }; | |
883 | ||
884 | static struct wiiproto_handler handlers[] = { | |
c87019e4 | 885 | { .id = WIIPROTO_REQ_STATUS, .size = 6, .func = handler_status }, |
2d44e3d2 | 886 | { .id = WIIPROTO_REQ_STATUS, .size = 2, .func = handler_status_K }, |
be1ecd62 | 887 | { .id = WIIPROTO_REQ_DATA, .size = 21, .func = handler_data }, |
2d44e3d2 | 888 | { .id = WIIPROTO_REQ_DATA, .size = 2, .func = handler_generic_K }, |
c87019e4 | 889 | { .id = WIIPROTO_REQ_RETURN, .size = 4, .func = handler_return }, |
2d44e3d2 | 890 | { .id = WIIPROTO_REQ_RETURN, .size = 2, .func = handler_generic_K }, |
1abb9ad3 | 891 | { .id = WIIPROTO_REQ_DRM_K, .size = 2, .func = handler_keys }, |
efcf9188 | 892 | { .id = WIIPROTO_REQ_DRM_KA, .size = 5, .func = handler_drm_KA }, |
2d44e3d2 | 893 | { .id = WIIPROTO_REQ_DRM_KA, .size = 2, .func = handler_generic_K }, |
7336b9f9 | 894 | { .id = WIIPROTO_REQ_DRM_KE, .size = 10, .func = handler_drm_KE }, |
2d44e3d2 | 895 | { .id = WIIPROTO_REQ_DRM_KE, .size = 2, .func = handler_generic_K }, |
efcf9188 | 896 | { .id = WIIPROTO_REQ_DRM_KAI, .size = 17, .func = handler_drm_KAI }, |
2d44e3d2 | 897 | { .id = WIIPROTO_REQ_DRM_KAI, .size = 2, .func = handler_generic_K }, |
7336b9f9 | 898 | { .id = WIIPROTO_REQ_DRM_KEE, .size = 21, .func = handler_drm_KEE }, |
2d44e3d2 | 899 | { .id = WIIPROTO_REQ_DRM_KEE, .size = 2, .func = handler_generic_K }, |
efcf9188 | 900 | { .id = WIIPROTO_REQ_DRM_KAE, .size = 21, .func = handler_drm_KAE }, |
2d44e3d2 | 901 | { .id = WIIPROTO_REQ_DRM_KAE, .size = 2, .func = handler_generic_K }, |
eac39e7e | 902 | { .id = WIIPROTO_REQ_DRM_KIE, .size = 21, .func = handler_drm_KIE }, |
2d44e3d2 | 903 | { .id = WIIPROTO_REQ_DRM_KIE, .size = 2, .func = handler_generic_K }, |
efcf9188 | 904 | { .id = WIIPROTO_REQ_DRM_KAIE, .size = 21, .func = handler_drm_KAIE }, |
2d44e3d2 | 905 | { .id = WIIPROTO_REQ_DRM_KAIE, .size = 2, .func = handler_generic_K }, |
7336b9f9 | 906 | { .id = WIIPROTO_REQ_DRM_E, .size = 21, .func = handler_drm_E }, |
efcf9188 DH |
907 | { .id = WIIPROTO_REQ_DRM_SKAI1, .size = 21, .func = handler_drm_SKAI1 }, |
908 | { .id = WIIPROTO_REQ_DRM_SKAI2, .size = 21, .func = handler_drm_SKAI2 }, | |
a4d19197 DH |
909 | { .id = 0 } |
910 | }; | |
911 | ||
02fb72a0 DH |
912 | static int wiimote_hid_event(struct hid_device *hdev, struct hid_report *report, |
913 | u8 *raw_data, int size) | |
914 | { | |
4d36e975 | 915 | struct wiimote_data *wdata = hid_get_drvdata(hdev); |
a4d19197 DH |
916 | struct wiiproto_handler *h; |
917 | int i; | |
32a0d9a5 | 918 | unsigned long flags; |
4d36e975 | 919 | |
02fb72a0 DH |
920 | if (size < 1) |
921 | return -EINVAL; | |
922 | ||
32a0d9a5 DH |
923 | spin_lock_irqsave(&wdata->state.lock, flags); |
924 | ||
a4d19197 DH |
925 | for (i = 0; handlers[i].id; ++i) { |
926 | h = &handlers[i]; | |
7336b9f9 | 927 | if (h->id == raw_data[0] && h->size < size) { |
a4d19197 | 928 | h->func(wdata, &raw_data[1]); |
2d44e3d2 | 929 | break; |
7336b9f9 | 930 | } |
a4d19197 DH |
931 | } |
932 | ||
2d44e3d2 | 933 | if (!handlers[i].id) |
7336b9f9 DH |
934 | hid_warn(hdev, "Unhandled report %hhu size %d\n", raw_data[0], |
935 | size); | |
936 | ||
32a0d9a5 DH |
937 | spin_unlock_irqrestore(&wdata->state.lock, flags); |
938 | ||
02fb72a0 DH |
939 | return 0; |
940 | } | |
941 | ||
e894d0e3 DH |
942 | static struct wiimote_data *wiimote_create(struct hid_device *hdev) |
943 | { | |
944 | struct wiimote_data *wdata; | |
945 | ||
946 | wdata = kzalloc(sizeof(*wdata), GFP_KERNEL); | |
947 | if (!wdata) | |
948 | return NULL; | |
949 | ||
950 | wdata->hdev = hdev; | |
951 | hid_set_drvdata(hdev, wdata); | |
952 | ||
13938538 DH |
953 | spin_lock_init(&wdata->queue.lock); |
954 | INIT_WORK(&wdata->queue.worker, wiimote_queue_worker); | |
23c063cb | 955 | |
32a0d9a5 | 956 | spin_lock_init(&wdata->state.lock); |
29d28064 DH |
957 | init_completion(&wdata->state.ready); |
958 | mutex_init(&wdata->state.sync); | |
43d782ae | 959 | wdata->state.drm = WIIPROTO_REQ_DRM_K; |
6b80bb94 | 960 | wdata->state.cmd_battery = 0xff; |
32a0d9a5 | 961 | |
c57ff761 DH |
962 | INIT_WORK(&wdata->init_worker, wiimote_init_worker); |
963 | ||
e894d0e3 DH |
964 | return wdata; |
965 | } | |
966 | ||
967 | static void wiimote_destroy(struct wiimote_data *wdata) | |
968 | { | |
43e5e7c6 | 969 | wiidebug_deinit(wdata); |
cb99221b | 970 | wiiext_deinit(wdata); |
3989ef6c | 971 | |
20cef813 | 972 | cancel_work_sync(&wdata->init_worker); |
27f06942 | 973 | wiimote_modules_unload(wdata); |
13938538 | 974 | cancel_work_sync(&wdata->queue.worker); |
5682b1a8 | 975 | hid_hw_close(wdata->hdev); |
3989ef6c DH |
976 | hid_hw_stop(wdata->hdev); |
977 | ||
e894d0e3 DH |
978 | kfree(wdata); |
979 | } | |
980 | ||
02fb72a0 DH |
981 | static int wiimote_hid_probe(struct hid_device *hdev, |
982 | const struct hid_device_id *id) | |
fb51b443 | 983 | { |
e894d0e3 | 984 | struct wiimote_data *wdata; |
02fb72a0 DH |
985 | int ret; |
986 | ||
90120d66 DH |
987 | hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; |
988 | ||
e894d0e3 DH |
989 | wdata = wiimote_create(hdev); |
990 | if (!wdata) { | |
991 | hid_err(hdev, "Can't alloc device\n"); | |
992 | return -ENOMEM; | |
993 | } | |
994 | ||
02fb72a0 DH |
995 | ret = hid_parse(hdev); |
996 | if (ret) { | |
997 | hid_err(hdev, "HID parse failed\n"); | |
e894d0e3 | 998 | goto err; |
02fb72a0 DH |
999 | } |
1000 | ||
1001 | ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW); | |
1002 | if (ret) { | |
1003 | hid_err(hdev, "HW start failed\n"); | |
e894d0e3 | 1004 | goto err; |
02fb72a0 DH |
1005 | } |
1006 | ||
5682b1a8 DH |
1007 | ret = hid_hw_open(hdev); |
1008 | if (ret) { | |
1009 | hid_err(hdev, "cannot start hardware I/O\n"); | |
1010 | goto err_stop; | |
1011 | } | |
1012 | ||
cb99221b DH |
1013 | ret = wiiext_init(wdata); |
1014 | if (ret) | |
1015 | goto err_free; | |
1016 | ||
43e5e7c6 DH |
1017 | ret = wiidebug_init(wdata); |
1018 | if (ret) | |
1019 | goto err_free; | |
1020 | ||
02fb72a0 | 1021 | hid_info(hdev, "New device registered\n"); |
32a0d9a5 | 1022 | |
c57ff761 DH |
1023 | /* schedule device detection */ |
1024 | schedule_work(&wdata->init_worker); | |
1025 | ||
fb51b443 | 1026 | return 0; |
e894d0e3 | 1027 | |
3989ef6c DH |
1028 | err_free: |
1029 | wiimote_destroy(wdata); | |
1030 | return ret; | |
1031 | ||
672bc4e0 DH |
1032 | err_stop: |
1033 | hid_hw_stop(hdev); | |
e894d0e3 | 1034 | err: |
f363e4f6 | 1035 | input_free_device(wdata->ir); |
98a558ae | 1036 | input_free_device(wdata->accel); |
3989ef6c | 1037 | kfree(wdata); |
e894d0e3 | 1038 | return ret; |
fb51b443 DH |
1039 | } |
1040 | ||
02fb72a0 DH |
1041 | static void wiimote_hid_remove(struct hid_device *hdev) |
1042 | { | |
e894d0e3 DH |
1043 | struct wiimote_data *wdata = hid_get_drvdata(hdev); |
1044 | ||
02fb72a0 | 1045 | hid_info(hdev, "Device removed\n"); |
e894d0e3 | 1046 | wiimote_destroy(wdata); |
02fb72a0 DH |
1047 | } |
1048 | ||
1049 | static const struct hid_device_id wiimote_hid_devices[] = { | |
1050 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, | |
1051 | USB_DEVICE_ID_NINTENDO_WIIMOTE) }, | |
a33042fa DH |
1052 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, |
1053 | USB_DEVICE_ID_NINTENDO_WIIMOTE2) }, | |
02fb72a0 DH |
1054 | { } |
1055 | }; | |
1056 | MODULE_DEVICE_TABLE(hid, wiimote_hid_devices); | |
1057 | ||
1058 | static struct hid_driver wiimote_hid_driver = { | |
1059 | .name = "wiimote", | |
1060 | .id_table = wiimote_hid_devices, | |
1061 | .probe = wiimote_hid_probe, | |
1062 | .remove = wiimote_hid_remove, | |
1063 | .raw_event = wiimote_hid_event, | |
1064 | }; | |
f425458e | 1065 | module_hid_driver(wiimote_hid_driver); |
02fb72a0 | 1066 | |
fb51b443 DH |
1067 | MODULE_LICENSE("GPL"); |
1068 | MODULE_AUTHOR("David Herrmann <dh.herrmann@gmail.com>"); | |
92eda7e4 | 1069 | MODULE_DESCRIPTION("Driver for Nintendo Wii / Wii U peripherals"); |