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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (c) 2006,2007 Daniel Mack, Tim Ruetz
4*/
5
6#include <linux/device.h>
7#include <linux/gfp.h>
8#include <linux/init.h>
9#include <linux/usb.h>
10#include <linux/usb/input.h>
11#include <sound/core.h>
12#include <sound/pcm.h>
13
14#include "device.h"
15#include "input.h"
16
17static const unsigned short keycode_ak1[] = { KEY_C, KEY_B, KEY_A };
18static const unsigned short keycode_rk2[] = { KEY_1, KEY_2, KEY_3, KEY_4,
19 KEY_5, KEY_6, KEY_7 };
20static const unsigned short keycode_rk3[] = { KEY_1, KEY_2, KEY_3, KEY_4,
21 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9 };
22
23static const unsigned short keycode_kore[] = {
24 KEY_FN_F1, /* "menu" */
25 KEY_FN_F7, /* "lcd backlight */
26 KEY_FN_F2, /* "control" */
27 KEY_FN_F3, /* "enter" */
28 KEY_FN_F4, /* "view" */
29 KEY_FN_F5, /* "esc" */
30 KEY_FN_F6, /* "sound" */
31 KEY_FN_F8, /* array spacer, never triggered. */
32 KEY_RIGHT,
33 KEY_DOWN,
34 KEY_UP,
35 KEY_LEFT,
36 KEY_SOUND, /* "listen" */
37 KEY_RECORD,
38 KEY_PLAYPAUSE,
39 KEY_STOP,
40 BTN_4, /* 8 softkeys */
41 BTN_3,
42 BTN_2,
43 BTN_1,
44 BTN_8,
45 BTN_7,
46 BTN_6,
47 BTN_5,
48 KEY_BRL_DOT4, /* touch sensitive knobs */
49 KEY_BRL_DOT3,
50 KEY_BRL_DOT2,
51 KEY_BRL_DOT1,
52 KEY_BRL_DOT8,
53 KEY_BRL_DOT7,
54 KEY_BRL_DOT6,
55 KEY_BRL_DOT5
56};
57
58#define MASCHINE_BUTTONS (42)
59#define MASCHINE_BUTTON(X) ((X) + BTN_MISC)
60#define MASCHINE_PADS (16)
61#define MASCHINE_PAD(X) ((X) + ABS_PRESSURE)
62
63static const unsigned short keycode_maschine[] = {
64 MASCHINE_BUTTON(40), /* mute */
65 MASCHINE_BUTTON(39), /* solo */
66 MASCHINE_BUTTON(38), /* select */
67 MASCHINE_BUTTON(37), /* duplicate */
68 MASCHINE_BUTTON(36), /* navigate */
69 MASCHINE_BUTTON(35), /* pad mode */
70 MASCHINE_BUTTON(34), /* pattern */
71 MASCHINE_BUTTON(33), /* scene */
72 KEY_RESERVED, /* spacer */
73
74 MASCHINE_BUTTON(30), /* rec */
75 MASCHINE_BUTTON(31), /* erase */
76 MASCHINE_BUTTON(32), /* shift */
77 MASCHINE_BUTTON(28), /* grid */
78 MASCHINE_BUTTON(27), /* > */
79 MASCHINE_BUTTON(26), /* < */
80 MASCHINE_BUTTON(25), /* restart */
81
82 MASCHINE_BUTTON(21), /* E */
83 MASCHINE_BUTTON(22), /* F */
84 MASCHINE_BUTTON(23), /* G */
85 MASCHINE_BUTTON(24), /* H */
86 MASCHINE_BUTTON(20), /* D */
87 MASCHINE_BUTTON(19), /* C */
88 MASCHINE_BUTTON(18), /* B */
89 MASCHINE_BUTTON(17), /* A */
90
91 MASCHINE_BUTTON(0), /* control */
92 MASCHINE_BUTTON(2), /* browse */
93 MASCHINE_BUTTON(4), /* < */
94 MASCHINE_BUTTON(6), /* snap */
95 MASCHINE_BUTTON(7), /* autowrite */
96 MASCHINE_BUTTON(5), /* > */
97 MASCHINE_BUTTON(3), /* sampling */
98 MASCHINE_BUTTON(1), /* step */
99
100 MASCHINE_BUTTON(15), /* 8 softkeys */
101 MASCHINE_BUTTON(14),
102 MASCHINE_BUTTON(13),
103 MASCHINE_BUTTON(12),
104 MASCHINE_BUTTON(11),
105 MASCHINE_BUTTON(10),
106 MASCHINE_BUTTON(9),
107 MASCHINE_BUTTON(8),
108
109 MASCHINE_BUTTON(16), /* note repeat */
110 MASCHINE_BUTTON(29) /* play */
111};
112
113#define KONTROLX1_INPUTS (40)
114#define KONTROLS4_BUTTONS (12 * 8)
115#define KONTROLS4_AXIS (46)
116
117#define KONTROLS4_BUTTON(X) ((X) + BTN_MISC)
118#define KONTROLS4_ABS(X) ((X) + ABS_HAT0X)
119
120#define DEG90 (range / 2)
121#define DEG180 (range)
122#define DEG270 (DEG90 + DEG180)
123#define DEG360 (DEG180 * 2)
124#define HIGH_PEAK (268)
125#define LOW_PEAK (-7)
126
127/* some of these devices have endless rotation potentiometers
128 * built in which use two tapers, 90 degrees phase shifted.
129 * this algorithm decodes them to one single value, ranging
130 * from 0 to 999 */
131static unsigned int decode_erp(unsigned char a, unsigned char b)
132{
133 int weight_a, weight_b;
134 int pos_a, pos_b;
135 int ret;
136 int range = HIGH_PEAK - LOW_PEAK;
137 int mid_value = (HIGH_PEAK + LOW_PEAK) / 2;
138
139 weight_b = abs(mid_value - a) - (range / 2 - 100) / 2;
140
141 if (weight_b < 0)
142 weight_b = 0;
143
144 if (weight_b > 100)
145 weight_b = 100;
146
147 weight_a = 100 - weight_b;
148
149 if (a < mid_value) {
150 /* 0..90 and 270..360 degrees */
151 pos_b = b - LOW_PEAK + DEG270;
152 if (pos_b >= DEG360)
153 pos_b -= DEG360;
154 } else
155 /* 90..270 degrees */
156 pos_b = HIGH_PEAK - b + DEG90;
157
158
159 if (b > mid_value)
160 /* 0..180 degrees */
161 pos_a = a - LOW_PEAK;
162 else
163 /* 180..360 degrees */
164 pos_a = HIGH_PEAK - a + DEG180;
165
166 /* interpolate both slider values, depending on weight factors */
167 /* 0..99 x DEG360 */
168 ret = pos_a * weight_a + pos_b * weight_b;
169
170 /* normalize to 0..999 */
171 ret *= 10;
172 ret /= DEG360;
173
174 if (ret < 0)
175 ret += 1000;
176
177 if (ret >= 1000)
178 ret -= 1000;
179
180 return ret;
181}
182
183#undef DEG90
184#undef DEG180
185#undef DEG270
186#undef DEG360
187#undef HIGH_PEAK
188#undef LOW_PEAK
189
190static inline void snd_caiaq_input_report_abs(struct snd_usb_caiaqdev *cdev,
191 int axis, const unsigned char *buf,
192 int offset)
193{
194 input_report_abs(cdev->input_dev, axis,
195 (buf[offset * 2] << 8) | buf[offset * 2 + 1]);
196}
197
198static void snd_caiaq_input_read_analog(struct snd_usb_caiaqdev *cdev,
199 const unsigned char *buf,
200 unsigned int len)
201{
202 struct input_dev *input_dev = cdev->input_dev;
203
204 switch (cdev->chip.usb_id) {
205 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
206 snd_caiaq_input_report_abs(cdev, ABS_X, buf, 2);
207 snd_caiaq_input_report_abs(cdev, ABS_Y, buf, 0);
208 snd_caiaq_input_report_abs(cdev, ABS_Z, buf, 1);
209 break;
210 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
211 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
212 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
213 snd_caiaq_input_report_abs(cdev, ABS_X, buf, 0);
214 snd_caiaq_input_report_abs(cdev, ABS_Y, buf, 1);
215 snd_caiaq_input_report_abs(cdev, ABS_Z, buf, 2);
216 break;
217 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
218 snd_caiaq_input_report_abs(cdev, ABS_HAT0X, buf, 4);
219 snd_caiaq_input_report_abs(cdev, ABS_HAT0Y, buf, 2);
220 snd_caiaq_input_report_abs(cdev, ABS_HAT1X, buf, 6);
221 snd_caiaq_input_report_abs(cdev, ABS_HAT1Y, buf, 1);
222 snd_caiaq_input_report_abs(cdev, ABS_HAT2X, buf, 7);
223 snd_caiaq_input_report_abs(cdev, ABS_HAT2Y, buf, 0);
224 snd_caiaq_input_report_abs(cdev, ABS_HAT3X, buf, 5);
225 snd_caiaq_input_report_abs(cdev, ABS_HAT3Y, buf, 3);
226 break;
227 }
228
229 input_sync(input_dev);
230}
231
232static void snd_caiaq_input_read_erp(struct snd_usb_caiaqdev *cdev,
233 const char *buf, unsigned int len)
234{
235 struct input_dev *input_dev = cdev->input_dev;
236 int i;
237
238 switch (cdev->chip.usb_id) {
239 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
240 i = decode_erp(buf[0], buf[1]);
241 input_report_abs(input_dev, ABS_X, i);
242 input_sync(input_dev);
243 break;
244 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
245 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
246 i = decode_erp(buf[7], buf[5]);
247 input_report_abs(input_dev, ABS_HAT0X, i);
248 i = decode_erp(buf[12], buf[14]);
249 input_report_abs(input_dev, ABS_HAT0Y, i);
250 i = decode_erp(buf[15], buf[13]);
251 input_report_abs(input_dev, ABS_HAT1X, i);
252 i = decode_erp(buf[0], buf[2]);
253 input_report_abs(input_dev, ABS_HAT1Y, i);
254 i = decode_erp(buf[3], buf[1]);
255 input_report_abs(input_dev, ABS_HAT2X, i);
256 i = decode_erp(buf[8], buf[10]);
257 input_report_abs(input_dev, ABS_HAT2Y, i);
258 i = decode_erp(buf[11], buf[9]);
259 input_report_abs(input_dev, ABS_HAT3X, i);
260 i = decode_erp(buf[4], buf[6]);
261 input_report_abs(input_dev, ABS_HAT3Y, i);
262 input_sync(input_dev);
263 break;
264
265 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
266 /* 4 under the left screen */
267 input_report_abs(input_dev, ABS_HAT0X, decode_erp(buf[21], buf[20]));
268 input_report_abs(input_dev, ABS_HAT0Y, decode_erp(buf[15], buf[14]));
269 input_report_abs(input_dev, ABS_HAT1X, decode_erp(buf[9], buf[8]));
270 input_report_abs(input_dev, ABS_HAT1Y, decode_erp(buf[3], buf[2]));
271
272 /* 4 under the right screen */
273 input_report_abs(input_dev, ABS_HAT2X, decode_erp(buf[19], buf[18]));
274 input_report_abs(input_dev, ABS_HAT2Y, decode_erp(buf[13], buf[12]));
275 input_report_abs(input_dev, ABS_HAT3X, decode_erp(buf[7], buf[6]));
276 input_report_abs(input_dev, ABS_HAT3Y, decode_erp(buf[1], buf[0]));
277
278 /* volume */
279 input_report_abs(input_dev, ABS_RX, decode_erp(buf[17], buf[16]));
280 /* tempo */
281 input_report_abs(input_dev, ABS_RY, decode_erp(buf[11], buf[10]));
282 /* swing */
283 input_report_abs(input_dev, ABS_RZ, decode_erp(buf[5], buf[4]));
284
285 input_sync(input_dev);
286 break;
287 }
288}
289
290static void snd_caiaq_input_read_io(struct snd_usb_caiaqdev *cdev,
291 unsigned char *buf, unsigned int len)
292{
293 struct input_dev *input_dev = cdev->input_dev;
294 unsigned short *keycode = input_dev->keycode;
295 int i;
296
297 if (!keycode)
298 return;
299
300 if (input_dev->id.product == USB_PID_RIGKONTROL2)
301 for (i = 0; i < len; i++)
302 buf[i] = ~buf[i];
303
304 for (i = 0; i < input_dev->keycodemax && i < len * 8; i++)
305 input_report_key(input_dev, keycode[i],
306 buf[i / 8] & (1 << (i % 8)));
307
308 switch (cdev->chip.usb_id) {
309 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
310 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
311 input_report_abs(cdev->input_dev, ABS_MISC, 255 - buf[4]);
312 break;
313 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
314 /* rotary encoders */
315 input_report_abs(cdev->input_dev, ABS_X, buf[5] & 0xf);
316 input_report_abs(cdev->input_dev, ABS_Y, buf[5] >> 4);
317 input_report_abs(cdev->input_dev, ABS_Z, buf[6] & 0xf);
318 input_report_abs(cdev->input_dev, ABS_MISC, buf[6] >> 4);
319 break;
320 }
321
322 input_sync(input_dev);
323}
324
325#define TKS4_MSGBLOCK_SIZE 16
326
327static void snd_usb_caiaq_tks4_dispatch(struct snd_usb_caiaqdev *cdev,
328 const unsigned char *buf,
329 unsigned int len)
330{
331 struct device *dev = caiaqdev_to_dev(cdev);
332
333 while (len) {
334 unsigned int i, block_id = (buf[0] << 8) | buf[1];
335
336 switch (block_id) {
337 case 0:
338 /* buttons */
339 for (i = 0; i < KONTROLS4_BUTTONS; i++)
340 input_report_key(cdev->input_dev, KONTROLS4_BUTTON(i),
341 (buf[4 + (i / 8)] >> (i % 8)) & 1);
342 break;
343
344 case 1:
345 /* left wheel */
346 input_report_abs(cdev->input_dev, KONTROLS4_ABS(36), buf[9] | ((buf[8] & 0x3) << 8));
347 /* right wheel */
348 input_report_abs(cdev->input_dev, KONTROLS4_ABS(37), buf[13] | ((buf[12] & 0x3) << 8));
349
350 /* rotary encoders */
351 input_report_abs(cdev->input_dev, KONTROLS4_ABS(38), buf[3] & 0xf);
352 input_report_abs(cdev->input_dev, KONTROLS4_ABS(39), buf[4] >> 4);
353 input_report_abs(cdev->input_dev, KONTROLS4_ABS(40), buf[4] & 0xf);
354 input_report_abs(cdev->input_dev, KONTROLS4_ABS(41), buf[5] >> 4);
355 input_report_abs(cdev->input_dev, KONTROLS4_ABS(42), buf[5] & 0xf);
356 input_report_abs(cdev->input_dev, KONTROLS4_ABS(43), buf[6] >> 4);
357 input_report_abs(cdev->input_dev, KONTROLS4_ABS(44), buf[6] & 0xf);
358 input_report_abs(cdev->input_dev, KONTROLS4_ABS(45), buf[7] >> 4);
359 input_report_abs(cdev->input_dev, KONTROLS4_ABS(46), buf[7] & 0xf);
360
361 break;
362 case 2:
363 /* Volume Fader Channel D */
364 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(0), buf, 1);
365 /* Volume Fader Channel B */
366 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(1), buf, 2);
367 /* Volume Fader Channel A */
368 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(2), buf, 3);
369 /* Volume Fader Channel C */
370 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(3), buf, 4);
371 /* Loop Volume */
372 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(4), buf, 6);
373 /* Crossfader */
374 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(7), buf, 7);
375
376 break;
377
378 case 3:
379 /* Tempo Fader R */
380 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(6), buf, 3);
381 /* Tempo Fader L */
382 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(5), buf, 4);
383 /* Mic Volume */
384 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(8), buf, 6);
385 /* Cue Mix */
386 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(9), buf, 7);
387
388 break;
389
390 case 4:
391 /* Wheel distance sensor L */
392 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(10), buf, 1);
393 /* Wheel distance sensor R */
394 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(11), buf, 2);
395 /* Channel D EQ - Filter */
396 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(12), buf, 3);
397 /* Channel D EQ - Low */
398 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(13), buf, 4);
399 /* Channel D EQ - Mid */
400 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(14), buf, 5);
401 /* Channel D EQ - Hi */
402 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(15), buf, 6);
403 /* FX2 - dry/wet */
404 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(16), buf, 7);
405
406 break;
407
408 case 5:
409 /* FX2 - 1 */
410 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(17), buf, 1);
411 /* FX2 - 2 */
412 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(18), buf, 2);
413 /* FX2 - 3 */
414 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(19), buf, 3);
415 /* Channel B EQ - Filter */
416 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(20), buf, 4);
417 /* Channel B EQ - Low */
418 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(21), buf, 5);
419 /* Channel B EQ - Mid */
420 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(22), buf, 6);
421 /* Channel B EQ - Hi */
422 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(23), buf, 7);
423
424 break;
425
426 case 6:
427 /* Channel A EQ - Filter */
428 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(24), buf, 1);
429 /* Channel A EQ - Low */
430 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(25), buf, 2);
431 /* Channel A EQ - Mid */
432 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(26), buf, 3);
433 /* Channel A EQ - Hi */
434 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(27), buf, 4);
435 /* Channel C EQ - Filter */
436 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(28), buf, 5);
437 /* Channel C EQ - Low */
438 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(29), buf, 6);
439 /* Channel C EQ - Mid */
440 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(30), buf, 7);
441
442 break;
443
444 case 7:
445 /* Channel C EQ - Hi */
446 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(31), buf, 1);
447 /* FX1 - wet/dry */
448 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(32), buf, 2);
449 /* FX1 - 1 */
450 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(33), buf, 3);
451 /* FX1 - 2 */
452 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(34), buf, 4);
453 /* FX1 - 3 */
454 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(35), buf, 5);
455
456 break;
457
458 default:
459 dev_dbg(dev, "%s(): bogus block (id %d)\n",
460 __func__, block_id);
461 return;
462 }
463
464 len -= TKS4_MSGBLOCK_SIZE;
465 buf += TKS4_MSGBLOCK_SIZE;
466 }
467
468 input_sync(cdev->input_dev);
469}
470
471#define MASCHINE_MSGBLOCK_SIZE 2
472
473static void snd_usb_caiaq_maschine_dispatch(struct snd_usb_caiaqdev *cdev,
474 const unsigned char *buf,
475 unsigned int len)
476{
477 unsigned int i, pad_id;
478 __le16 *pressure = (__le16 *) buf;
479
480 for (i = 0; i < MASCHINE_PADS; i++) {
481 pad_id = le16_to_cpu(*pressure) >> 12;
482 input_report_abs(cdev->input_dev, MASCHINE_PAD(pad_id),
483 le16_to_cpu(*pressure) & 0xfff);
484 pressure++;
485 }
486
487 input_sync(cdev->input_dev);
488}
489
490static void snd_usb_caiaq_ep4_reply_dispatch(struct urb *urb)
491{
492 struct snd_usb_caiaqdev *cdev = urb->context;
493 unsigned char *buf = urb->transfer_buffer;
494 struct device *dev = &urb->dev->dev;
495 int ret;
496
497 if (urb->status || !cdev || urb != cdev->ep4_in_urb)
498 return;
499
500 switch (cdev->chip.usb_id) {
501 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
502 if (urb->actual_length < 24)
503 goto requeue;
504
505 if (buf[0] & 0x3)
506 snd_caiaq_input_read_io(cdev, buf + 1, 7);
507
508 if (buf[0] & 0x4)
509 snd_caiaq_input_read_analog(cdev, buf + 8, 16);
510
511 break;
512
513 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
514 snd_usb_caiaq_tks4_dispatch(cdev, buf, urb->actual_length);
515 break;
516
517 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
518 if (urb->actual_length < (MASCHINE_PADS * MASCHINE_MSGBLOCK_SIZE))
519 goto requeue;
520
521 snd_usb_caiaq_maschine_dispatch(cdev, buf, urb->actual_length);
522 break;
523 }
524
525requeue:
526 cdev->ep4_in_urb->actual_length = 0;
527 ret = usb_submit_urb(cdev->ep4_in_urb, GFP_ATOMIC);
528 if (ret < 0)
529 dev_err(dev, "unable to submit urb. OOM!?\n");
530}
531
532static int snd_usb_caiaq_input_open(struct input_dev *idev)
533{
534 struct snd_usb_caiaqdev *cdev = input_get_drvdata(idev);
535
536 if (!cdev)
537 return -EINVAL;
538
539 switch (cdev->chip.usb_id) {
540 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
541 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
542 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
543 if (usb_submit_urb(cdev->ep4_in_urb, GFP_KERNEL) != 0)
544 return -EIO;
545 break;
546 }
547
548 return 0;
549}
550
551static void snd_usb_caiaq_input_close(struct input_dev *idev)
552{
553 struct snd_usb_caiaqdev *cdev = input_get_drvdata(idev);
554
555 if (!cdev)
556 return;
557
558 switch (cdev->chip.usb_id) {
559 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
560 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
561 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
562 usb_kill_urb(cdev->ep4_in_urb);
563 break;
564 }
565}
566
567void snd_usb_caiaq_input_dispatch(struct snd_usb_caiaqdev *cdev,
568 char *buf,
569 unsigned int len)
570{
571 if (!cdev->input_dev || len < 1)
572 return;
573
574 switch (buf[0]) {
575 case EP1_CMD_READ_ANALOG:
576 snd_caiaq_input_read_analog(cdev, buf + 1, len - 1);
577 break;
578 case EP1_CMD_READ_ERP:
579 snd_caiaq_input_read_erp(cdev, buf + 1, len - 1);
580 break;
581 case EP1_CMD_READ_IO:
582 snd_caiaq_input_read_io(cdev, buf + 1, len - 1);
583 break;
584 }
585}
586
587int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *cdev)
588{
589 struct usb_device *usb_dev = cdev->chip.dev;
590 struct input_dev *input;
591 int i, ret = 0;
592
593 input = input_allocate_device();
594 if (!input)
595 return -ENOMEM;
596
597 usb_make_path(usb_dev, cdev->phys, sizeof(cdev->phys));
598 strlcat(cdev->phys, "/input0", sizeof(cdev->phys));
599
600 input->name = cdev->product_name;
601 input->phys = cdev->phys;
602 usb_to_input_id(usb_dev, &input->id);
603 input->dev.parent = &usb_dev->dev;
604
605 input_set_drvdata(input, cdev);
606
607 switch (cdev->chip.usb_id) {
608 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
609 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
610 input->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
611 BIT_MASK(ABS_Z);
612 BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_rk2));
613 memcpy(cdev->keycode, keycode_rk2, sizeof(keycode_rk2));
614 input->keycodemax = ARRAY_SIZE(keycode_rk2);
615 input_set_abs_params(input, ABS_X, 0, 4096, 0, 10);
616 input_set_abs_params(input, ABS_Y, 0, 4096, 0, 10);
617 input_set_abs_params(input, ABS_Z, 0, 4096, 0, 10);
618 snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 0);
619 break;
620 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
621 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
622 input->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
623 BIT_MASK(ABS_Z);
624 BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_rk3));
625 memcpy(cdev->keycode, keycode_rk3, sizeof(keycode_rk3));
626 input->keycodemax = ARRAY_SIZE(keycode_rk3);
627 input_set_abs_params(input, ABS_X, 0, 1024, 0, 10);
628 input_set_abs_params(input, ABS_Y, 0, 1024, 0, 10);
629 input_set_abs_params(input, ABS_Z, 0, 1024, 0, 10);
630 snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 0);
631 break;
632 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
633 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
634 input->absbit[0] = BIT_MASK(ABS_X);
635 BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_ak1));
636 memcpy(cdev->keycode, keycode_ak1, sizeof(keycode_ak1));
637 input->keycodemax = ARRAY_SIZE(keycode_ak1);
638 input_set_abs_params(input, ABS_X, 0, 999, 0, 10);
639 snd_usb_caiaq_set_auto_msg(cdev, 1, 0, 5);
640 break;
641 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
642 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
643 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
644 input->absbit[0] = BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |
645 BIT_MASK(ABS_HAT1X) | BIT_MASK(ABS_HAT1Y) |
646 BIT_MASK(ABS_HAT2X) | BIT_MASK(ABS_HAT2Y) |
647 BIT_MASK(ABS_HAT3X) | BIT_MASK(ABS_HAT3Y) |
648 BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
649 BIT_MASK(ABS_Z);
650 input->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC);
651 BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_kore));
652 memcpy(cdev->keycode, keycode_kore, sizeof(keycode_kore));
653 input->keycodemax = ARRAY_SIZE(keycode_kore);
654 input_set_abs_params(input, ABS_HAT0X, 0, 999, 0, 10);
655 input_set_abs_params(input, ABS_HAT0Y, 0, 999, 0, 10);
656 input_set_abs_params(input, ABS_HAT1X, 0, 999, 0, 10);
657 input_set_abs_params(input, ABS_HAT1Y, 0, 999, 0, 10);
658 input_set_abs_params(input, ABS_HAT2X, 0, 999, 0, 10);
659 input_set_abs_params(input, ABS_HAT2Y, 0, 999, 0, 10);
660 input_set_abs_params(input, ABS_HAT3X, 0, 999, 0, 10);
661 input_set_abs_params(input, ABS_HAT3Y, 0, 999, 0, 10);
662 input_set_abs_params(input, ABS_X, 0, 4096, 0, 10);
663 input_set_abs_params(input, ABS_Y, 0, 4096, 0, 10);
664 input_set_abs_params(input, ABS_Z, 0, 4096, 0, 10);
665 input_set_abs_params(input, ABS_MISC, 0, 255, 0, 1);
666 snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
667 break;
668 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
669 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
670 input->absbit[0] = BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |
671 BIT_MASK(ABS_HAT1X) | BIT_MASK(ABS_HAT1Y) |
672 BIT_MASK(ABS_HAT2X) | BIT_MASK(ABS_HAT2Y) |
673 BIT_MASK(ABS_HAT3X) | BIT_MASK(ABS_HAT3Y) |
674 BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
675 BIT_MASK(ABS_Z);
676 input->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC);
677 BUILD_BUG_ON(sizeof(cdev->keycode) < KONTROLX1_INPUTS);
678 for (i = 0; i < KONTROLX1_INPUTS; i++)
679 cdev->keycode[i] = BTN_MISC + i;
680 input->keycodemax = KONTROLX1_INPUTS;
681
682 /* analog potentiometers */
683 input_set_abs_params(input, ABS_HAT0X, 0, 4096, 0, 10);
684 input_set_abs_params(input, ABS_HAT0Y, 0, 4096, 0, 10);
685 input_set_abs_params(input, ABS_HAT1X, 0, 4096, 0, 10);
686 input_set_abs_params(input, ABS_HAT1Y, 0, 4096, 0, 10);
687 input_set_abs_params(input, ABS_HAT2X, 0, 4096, 0, 10);
688 input_set_abs_params(input, ABS_HAT2Y, 0, 4096, 0, 10);
689 input_set_abs_params(input, ABS_HAT3X, 0, 4096, 0, 10);
690 input_set_abs_params(input, ABS_HAT3Y, 0, 4096, 0, 10);
691
692 /* rotary encoders */
693 input_set_abs_params(input, ABS_X, 0, 0xf, 0, 1);
694 input_set_abs_params(input, ABS_Y, 0, 0xf, 0, 1);
695 input_set_abs_params(input, ABS_Z, 0, 0xf, 0, 1);
696 input_set_abs_params(input, ABS_MISC, 0, 0xf, 0, 1);
697
698 cdev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
699 if (!cdev->ep4_in_urb) {
700 ret = -ENOMEM;
701 goto exit_free_idev;
702 }
703
704 usb_fill_bulk_urb(cdev->ep4_in_urb, usb_dev,
705 usb_rcvbulkpipe(usb_dev, 0x4),
706 cdev->ep4_in_buf, EP4_BUFSIZE,
707 snd_usb_caiaq_ep4_reply_dispatch, cdev);
708 ret = usb_urb_ep_type_check(cdev->ep4_in_urb);
709 if (ret < 0)
710 goto exit_free_idev;
711
712 snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
713
714 break;
715
716 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
717 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
718 BUILD_BUG_ON(sizeof(cdev->keycode) < KONTROLS4_BUTTONS);
719 for (i = 0; i < KONTROLS4_BUTTONS; i++)
720 cdev->keycode[i] = KONTROLS4_BUTTON(i);
721 input->keycodemax = KONTROLS4_BUTTONS;
722
723 for (i = 0; i < KONTROLS4_AXIS; i++) {
724 int axis = KONTROLS4_ABS(i);
725 input->absbit[BIT_WORD(axis)] |= BIT_MASK(axis);
726 }
727
728 /* 36 analog potentiometers and faders */
729 for (i = 0; i < 36; i++)
730 input_set_abs_params(input, KONTROLS4_ABS(i), 0, 0xfff, 0, 10);
731
732 /* 2 encoder wheels */
733 input_set_abs_params(input, KONTROLS4_ABS(36), 0, 0x3ff, 0, 1);
734 input_set_abs_params(input, KONTROLS4_ABS(37), 0, 0x3ff, 0, 1);
735
736 /* 9 rotary encoders */
737 for (i = 0; i < 9; i++)
738 input_set_abs_params(input, KONTROLS4_ABS(38+i), 0, 0xf, 0, 1);
739
740 cdev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
741 if (!cdev->ep4_in_urb) {
742 ret = -ENOMEM;
743 goto exit_free_idev;
744 }
745
746 usb_fill_bulk_urb(cdev->ep4_in_urb, usb_dev,
747 usb_rcvbulkpipe(usb_dev, 0x4),
748 cdev->ep4_in_buf, EP4_BUFSIZE,
749 snd_usb_caiaq_ep4_reply_dispatch, cdev);
750 ret = usb_urb_ep_type_check(cdev->ep4_in_urb);
751 if (ret < 0)
752 goto exit_free_idev;
753
754 snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
755
756 break;
757
758 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
759 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
760 input->absbit[0] = BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |
761 BIT_MASK(ABS_HAT1X) | BIT_MASK(ABS_HAT1Y) |
762 BIT_MASK(ABS_HAT2X) | BIT_MASK(ABS_HAT2Y) |
763 BIT_MASK(ABS_HAT3X) | BIT_MASK(ABS_HAT3Y) |
764 BIT_MASK(ABS_RX) | BIT_MASK(ABS_RY) |
765 BIT_MASK(ABS_RZ);
766
767 BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_maschine));
768 memcpy(cdev->keycode, keycode_maschine, sizeof(keycode_maschine));
769 input->keycodemax = ARRAY_SIZE(keycode_maschine);
770
771 for (i = 0; i < MASCHINE_PADS; i++) {
772 input->absbit[0] |= MASCHINE_PAD(i);
773 input_set_abs_params(input, MASCHINE_PAD(i), 0, 0xfff, 5, 10);
774 }
775
776 input_set_abs_params(input, ABS_HAT0X, 0, 999, 0, 10);
777 input_set_abs_params(input, ABS_HAT0Y, 0, 999, 0, 10);
778 input_set_abs_params(input, ABS_HAT1X, 0, 999, 0, 10);
779 input_set_abs_params(input, ABS_HAT1Y, 0, 999, 0, 10);
780 input_set_abs_params(input, ABS_HAT2X, 0, 999, 0, 10);
781 input_set_abs_params(input, ABS_HAT2Y, 0, 999, 0, 10);
782 input_set_abs_params(input, ABS_HAT3X, 0, 999, 0, 10);
783 input_set_abs_params(input, ABS_HAT3Y, 0, 999, 0, 10);
784 input_set_abs_params(input, ABS_RX, 0, 999, 0, 10);
785 input_set_abs_params(input, ABS_RY, 0, 999, 0, 10);
786 input_set_abs_params(input, ABS_RZ, 0, 999, 0, 10);
787
788 cdev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
789 if (!cdev->ep4_in_urb) {
790 ret = -ENOMEM;
791 goto exit_free_idev;
792 }
793
794 usb_fill_bulk_urb(cdev->ep4_in_urb, usb_dev,
795 usb_rcvbulkpipe(usb_dev, 0x4),
796 cdev->ep4_in_buf, EP4_BUFSIZE,
797 snd_usb_caiaq_ep4_reply_dispatch, cdev);
798 ret = usb_urb_ep_type_check(cdev->ep4_in_urb);
799 if (ret < 0)
800 goto exit_free_idev;
801
802 snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
803 break;
804
805 default:
806 /* no input methods supported on this device */
807 ret = -EINVAL;
808 goto exit_free_idev;
809 }
810
811 input->open = snd_usb_caiaq_input_open;
812 input->close = snd_usb_caiaq_input_close;
813 input->keycode = cdev->keycode;
814 input->keycodesize = sizeof(unsigned short);
815 for (i = 0; i < input->keycodemax; i++)
816 __set_bit(cdev->keycode[i], input->keybit);
817
818 cdev->input_dev = input;
819
820 ret = input_register_device(input);
821 if (ret < 0)
822 goto exit_free_idev;
823
824 return 0;
825
826exit_free_idev:
827 input_free_device(input);
828 cdev->input_dev = NULL;
829 return ret;
830}
831
832void snd_usb_caiaq_input_disconnect(struct snd_usb_caiaqdev *cdev)
833{
834 if (!cdev || !cdev->input_dev)
835 return;
836
837 usb_kill_urb(cdev->ep4_in_urb);
838 input_unregister_device(cdev->input_dev);
839}
840
841void snd_usb_caiaq_input_free(struct snd_usb_caiaqdev *cdev)
842{
843 if (!cdev || !cdev->input_dev)
844 return;
845
846 usb_free_urb(cdev->ep4_in_urb);
847 cdev->ep4_in_urb = NULL;
848 cdev->input_dev = NULL;
849}
1/*
2 * Copyright (c) 2006,2007 Daniel Mack, Tim Ruetz
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17*/
18
19#include <linux/gfp.h>
20#include <linux/init.h>
21#include <linux/usb.h>
22#include <linux/usb/input.h>
23#include <sound/core.h>
24#include <sound/pcm.h>
25
26#include "device.h"
27#include "input.h"
28
29static unsigned short keycode_ak1[] = { KEY_C, KEY_B, KEY_A };
30static unsigned short keycode_rk2[] = { KEY_1, KEY_2, KEY_3, KEY_4,
31 KEY_5, KEY_6, KEY_7 };
32static unsigned short keycode_rk3[] = { KEY_1, KEY_2, KEY_3, KEY_4,
33 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9 };
34
35static unsigned short keycode_kore[] = {
36 KEY_FN_F1, /* "menu" */
37 KEY_FN_F7, /* "lcd backlight */
38 KEY_FN_F2, /* "control" */
39 KEY_FN_F3, /* "enter" */
40 KEY_FN_F4, /* "view" */
41 KEY_FN_F5, /* "esc" */
42 KEY_FN_F6, /* "sound" */
43 KEY_FN_F8, /* array spacer, never triggered. */
44 KEY_RIGHT,
45 KEY_DOWN,
46 KEY_UP,
47 KEY_LEFT,
48 KEY_SOUND, /* "listen" */
49 KEY_RECORD,
50 KEY_PLAYPAUSE,
51 KEY_STOP,
52 BTN_4, /* 8 softkeys */
53 BTN_3,
54 BTN_2,
55 BTN_1,
56 BTN_8,
57 BTN_7,
58 BTN_6,
59 BTN_5,
60 KEY_BRL_DOT4, /* touch sensitive knobs */
61 KEY_BRL_DOT3,
62 KEY_BRL_DOT2,
63 KEY_BRL_DOT1,
64 KEY_BRL_DOT8,
65 KEY_BRL_DOT7,
66 KEY_BRL_DOT6,
67 KEY_BRL_DOT5
68};
69
70#define KONTROLX1_INPUTS (40)
71#define KONTROLS4_BUTTONS (12 * 8)
72#define KONTROLS4_AXIS (46)
73
74#define KONTROLS4_BUTTON(X) ((X) + BTN_MISC)
75#define KONTROLS4_ABS(X) ((X) + ABS_HAT0X)
76
77#define DEG90 (range / 2)
78#define DEG180 (range)
79#define DEG270 (DEG90 + DEG180)
80#define DEG360 (DEG180 * 2)
81#define HIGH_PEAK (268)
82#define LOW_PEAK (-7)
83
84/* some of these devices have endless rotation potentiometers
85 * built in which use two tapers, 90 degrees phase shifted.
86 * this algorithm decodes them to one single value, ranging
87 * from 0 to 999 */
88static unsigned int decode_erp(unsigned char a, unsigned char b)
89{
90 int weight_a, weight_b;
91 int pos_a, pos_b;
92 int ret;
93 int range = HIGH_PEAK - LOW_PEAK;
94 int mid_value = (HIGH_PEAK + LOW_PEAK) / 2;
95
96 weight_b = abs(mid_value - a) - (range / 2 - 100) / 2;
97
98 if (weight_b < 0)
99 weight_b = 0;
100
101 if (weight_b > 100)
102 weight_b = 100;
103
104 weight_a = 100 - weight_b;
105
106 if (a < mid_value) {
107 /* 0..90 and 270..360 degrees */
108 pos_b = b - LOW_PEAK + DEG270;
109 if (pos_b >= DEG360)
110 pos_b -= DEG360;
111 } else
112 /* 90..270 degrees */
113 pos_b = HIGH_PEAK - b + DEG90;
114
115
116 if (b > mid_value)
117 /* 0..180 degrees */
118 pos_a = a - LOW_PEAK;
119 else
120 /* 180..360 degrees */
121 pos_a = HIGH_PEAK - a + DEG180;
122
123 /* interpolate both slider values, depending on weight factors */
124 /* 0..99 x DEG360 */
125 ret = pos_a * weight_a + pos_b * weight_b;
126
127 /* normalize to 0..999 */
128 ret *= 10;
129 ret /= DEG360;
130
131 if (ret < 0)
132 ret += 1000;
133
134 if (ret >= 1000)
135 ret -= 1000;
136
137 return ret;
138}
139
140#undef DEG90
141#undef DEG180
142#undef DEG270
143#undef DEG360
144#undef HIGH_PEAK
145#undef LOW_PEAK
146
147static inline void snd_caiaq_input_report_abs(struct snd_usb_caiaqdev *dev,
148 int axis, const unsigned char *buf,
149 int offset)
150{
151 input_report_abs(dev->input_dev, axis,
152 (buf[offset * 2] << 8) | buf[offset * 2 + 1]);
153}
154
155static void snd_caiaq_input_read_analog(struct snd_usb_caiaqdev *dev,
156 const unsigned char *buf,
157 unsigned int len)
158{
159 struct input_dev *input_dev = dev->input_dev;
160
161 switch (dev->chip.usb_id) {
162 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
163 snd_caiaq_input_report_abs(dev, ABS_X, buf, 2);
164 snd_caiaq_input_report_abs(dev, ABS_Y, buf, 0);
165 snd_caiaq_input_report_abs(dev, ABS_Z, buf, 1);
166 break;
167 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
168 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
169 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
170 snd_caiaq_input_report_abs(dev, ABS_X, buf, 0);
171 snd_caiaq_input_report_abs(dev, ABS_Y, buf, 1);
172 snd_caiaq_input_report_abs(dev, ABS_Z, buf, 2);
173 break;
174 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
175 snd_caiaq_input_report_abs(dev, ABS_HAT0X, buf, 4);
176 snd_caiaq_input_report_abs(dev, ABS_HAT0Y, buf, 2);
177 snd_caiaq_input_report_abs(dev, ABS_HAT1X, buf, 6);
178 snd_caiaq_input_report_abs(dev, ABS_HAT1Y, buf, 1);
179 snd_caiaq_input_report_abs(dev, ABS_HAT2X, buf, 7);
180 snd_caiaq_input_report_abs(dev, ABS_HAT2Y, buf, 0);
181 snd_caiaq_input_report_abs(dev, ABS_HAT3X, buf, 5);
182 snd_caiaq_input_report_abs(dev, ABS_HAT3Y, buf, 3);
183 break;
184 }
185
186 input_sync(input_dev);
187}
188
189static void snd_caiaq_input_read_erp(struct snd_usb_caiaqdev *dev,
190 const char *buf, unsigned int len)
191{
192 struct input_dev *input_dev = dev->input_dev;
193 int i;
194
195 switch (dev->chip.usb_id) {
196 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
197 i = decode_erp(buf[0], buf[1]);
198 input_report_abs(input_dev, ABS_X, i);
199 input_sync(input_dev);
200 break;
201 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
202 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
203 i = decode_erp(buf[7], buf[5]);
204 input_report_abs(input_dev, ABS_HAT0X, i);
205 i = decode_erp(buf[12], buf[14]);
206 input_report_abs(input_dev, ABS_HAT0Y, i);
207 i = decode_erp(buf[15], buf[13]);
208 input_report_abs(input_dev, ABS_HAT1X, i);
209 i = decode_erp(buf[0], buf[2]);
210 input_report_abs(input_dev, ABS_HAT1Y, i);
211 i = decode_erp(buf[3], buf[1]);
212 input_report_abs(input_dev, ABS_HAT2X, i);
213 i = decode_erp(buf[8], buf[10]);
214 input_report_abs(input_dev, ABS_HAT2Y, i);
215 i = decode_erp(buf[11], buf[9]);
216 input_report_abs(input_dev, ABS_HAT3X, i);
217 i = decode_erp(buf[4], buf[6]);
218 input_report_abs(input_dev, ABS_HAT3Y, i);
219 input_sync(input_dev);
220 break;
221 }
222}
223
224static void snd_caiaq_input_read_io(struct snd_usb_caiaqdev *dev,
225 unsigned char *buf, unsigned int len)
226{
227 struct input_dev *input_dev = dev->input_dev;
228 unsigned short *keycode = input_dev->keycode;
229 int i;
230
231 if (!keycode)
232 return;
233
234 if (input_dev->id.product == USB_PID_RIGKONTROL2)
235 for (i = 0; i < len; i++)
236 buf[i] = ~buf[i];
237
238 for (i = 0; i < input_dev->keycodemax && i < len * 8; i++)
239 input_report_key(input_dev, keycode[i],
240 buf[i / 8] & (1 << (i % 8)));
241
242 switch (dev->chip.usb_id) {
243 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
244 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
245 input_report_abs(dev->input_dev, ABS_MISC, 255 - buf[4]);
246 break;
247 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
248 /* rotary encoders */
249 input_report_abs(dev->input_dev, ABS_X, buf[5] & 0xf);
250 input_report_abs(dev->input_dev, ABS_Y, buf[5] >> 4);
251 input_report_abs(dev->input_dev, ABS_Z, buf[6] & 0xf);
252 input_report_abs(dev->input_dev, ABS_MISC, buf[6] >> 4);
253 break;
254 }
255
256 input_sync(input_dev);
257}
258
259#define TKS4_MSGBLOCK_SIZE 16
260
261static void snd_usb_caiaq_tks4_dispatch(struct snd_usb_caiaqdev *dev,
262 const unsigned char *buf,
263 unsigned int len)
264{
265 while (len) {
266 unsigned int i, block_id = (buf[0] << 8) | buf[1];
267
268 switch (block_id) {
269 case 0:
270 /* buttons */
271 for (i = 0; i < KONTROLS4_BUTTONS; i++)
272 input_report_key(dev->input_dev, KONTROLS4_BUTTON(i),
273 (buf[4 + (i / 8)] >> (i % 8)) & 1);
274 break;
275
276 case 1:
277 /* left wheel */
278 input_report_abs(dev->input_dev, KONTROLS4_ABS(36), buf[9] | ((buf[8] & 0x3) << 8));
279 /* right wheel */
280 input_report_abs(dev->input_dev, KONTROLS4_ABS(37), buf[13] | ((buf[12] & 0x3) << 8));
281
282 /* rotary encoders */
283 input_report_abs(dev->input_dev, KONTROLS4_ABS(38), buf[3] & 0xf);
284 input_report_abs(dev->input_dev, KONTROLS4_ABS(39), buf[4] >> 4);
285 input_report_abs(dev->input_dev, KONTROLS4_ABS(40), buf[4] & 0xf);
286 input_report_abs(dev->input_dev, KONTROLS4_ABS(41), buf[5] >> 4);
287 input_report_abs(dev->input_dev, KONTROLS4_ABS(42), buf[5] & 0xf);
288 input_report_abs(dev->input_dev, KONTROLS4_ABS(43), buf[6] >> 4);
289 input_report_abs(dev->input_dev, KONTROLS4_ABS(44), buf[6] & 0xf);
290 input_report_abs(dev->input_dev, KONTROLS4_ABS(45), buf[7] >> 4);
291 input_report_abs(dev->input_dev, KONTROLS4_ABS(46), buf[7] & 0xf);
292
293 break;
294 case 2:
295 /* Volume Fader Channel D */
296 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(0), buf, 1);
297 /* Volume Fader Channel B */
298 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(1), buf, 2);
299 /* Volume Fader Channel A */
300 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(2), buf, 3);
301 /* Volume Fader Channel C */
302 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(3), buf, 4);
303 /* Loop Volume */
304 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(4), buf, 6);
305 /* Crossfader */
306 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(7), buf, 7);
307
308 break;
309
310 case 3:
311 /* Tempo Fader R */
312 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(6), buf, 3);
313 /* Tempo Fader L */
314 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(5), buf, 4);
315 /* Mic Volume */
316 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(8), buf, 6);
317 /* Cue Mix */
318 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(9), buf, 7);
319
320 break;
321
322 case 4:
323 /* Wheel distance sensor L */
324 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(10), buf, 1);
325 /* Wheel distance sensor R */
326 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(11), buf, 2);
327 /* Channel D EQ - Filter */
328 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(12), buf, 3);
329 /* Channel D EQ - Low */
330 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(13), buf, 4);
331 /* Channel D EQ - Mid */
332 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(14), buf, 5);
333 /* Channel D EQ - Hi */
334 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(15), buf, 6);
335 /* FX2 - dry/wet */
336 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(16), buf, 7);
337
338 break;
339
340 case 5:
341 /* FX2 - 1 */
342 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(17), buf, 1);
343 /* FX2 - 2 */
344 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(18), buf, 2);
345 /* FX2 - 3 */
346 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(19), buf, 3);
347 /* Channel B EQ - Filter */
348 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(20), buf, 4);
349 /* Channel B EQ - Low */
350 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(21), buf, 5);
351 /* Channel B EQ - Mid */
352 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(22), buf, 6);
353 /* Channel B EQ - Hi */
354 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(23), buf, 7);
355
356 break;
357
358 case 6:
359 /* Channel A EQ - Filter */
360 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(24), buf, 1);
361 /* Channel A EQ - Low */
362 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(25), buf, 2);
363 /* Channel A EQ - Mid */
364 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(26), buf, 3);
365 /* Channel A EQ - Hi */
366 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(27), buf, 4);
367 /* Channel C EQ - Filter */
368 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(28), buf, 5);
369 /* Channel C EQ - Low */
370 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(29), buf, 6);
371 /* Channel C EQ - Mid */
372 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(30), buf, 7);
373
374 break;
375
376 case 7:
377 /* Channel C EQ - Hi */
378 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(31), buf, 1);
379 /* FX1 - wet/dry */
380 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(32), buf, 2);
381 /* FX1 - 1 */
382 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(33), buf, 3);
383 /* FX1 - 2 */
384 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(34), buf, 4);
385 /* FX1 - 3 */
386 snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(35), buf, 5);
387
388 break;
389
390 default:
391 debug("%s(): bogus block (id %d)\n",
392 __func__, block_id);
393 return;
394 }
395
396 len -= TKS4_MSGBLOCK_SIZE;
397 buf += TKS4_MSGBLOCK_SIZE;
398 }
399
400 input_sync(dev->input_dev);
401}
402
403static void snd_usb_caiaq_ep4_reply_dispatch(struct urb *urb)
404{
405 struct snd_usb_caiaqdev *dev = urb->context;
406 unsigned char *buf = urb->transfer_buffer;
407 int ret;
408
409 if (urb->status || !dev || urb != dev->ep4_in_urb)
410 return;
411
412 switch (dev->chip.usb_id) {
413 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
414 if (urb->actual_length < 24)
415 goto requeue;
416
417 if (buf[0] & 0x3)
418 snd_caiaq_input_read_io(dev, buf + 1, 7);
419
420 if (buf[0] & 0x4)
421 snd_caiaq_input_read_analog(dev, buf + 8, 16);
422
423 break;
424
425 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
426 snd_usb_caiaq_tks4_dispatch(dev, buf, urb->actual_length);
427 break;
428 }
429
430requeue:
431 dev->ep4_in_urb->actual_length = 0;
432 ret = usb_submit_urb(dev->ep4_in_urb, GFP_ATOMIC);
433 if (ret < 0)
434 log("unable to submit urb. OOM!?\n");
435}
436
437static int snd_usb_caiaq_input_open(struct input_dev *idev)
438{
439 struct snd_usb_caiaqdev *dev = input_get_drvdata(idev);
440
441 if (!dev)
442 return -EINVAL;
443
444 switch (dev->chip.usb_id) {
445 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
446 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
447 if (usb_submit_urb(dev->ep4_in_urb, GFP_KERNEL) != 0)
448 return -EIO;
449 break;
450 }
451
452 return 0;
453}
454
455static void snd_usb_caiaq_input_close(struct input_dev *idev)
456{
457 struct snd_usb_caiaqdev *dev = input_get_drvdata(idev);
458
459 if (!dev)
460 return;
461
462 switch (dev->chip.usb_id) {
463 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
464 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
465 usb_kill_urb(dev->ep4_in_urb);
466 break;
467 }
468}
469
470void snd_usb_caiaq_input_dispatch(struct snd_usb_caiaqdev *dev,
471 char *buf,
472 unsigned int len)
473{
474 if (!dev->input_dev || len < 1)
475 return;
476
477 switch (buf[0]) {
478 case EP1_CMD_READ_ANALOG:
479 snd_caiaq_input_read_analog(dev, buf + 1, len - 1);
480 break;
481 case EP1_CMD_READ_ERP:
482 snd_caiaq_input_read_erp(dev, buf + 1, len - 1);
483 break;
484 case EP1_CMD_READ_IO:
485 snd_caiaq_input_read_io(dev, buf + 1, len - 1);
486 break;
487 }
488}
489
490int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *dev)
491{
492 struct usb_device *usb_dev = dev->chip.dev;
493 struct input_dev *input;
494 int i, ret = 0;
495
496 input = input_allocate_device();
497 if (!input)
498 return -ENOMEM;
499
500 usb_make_path(usb_dev, dev->phys, sizeof(dev->phys));
501 strlcat(dev->phys, "/input0", sizeof(dev->phys));
502
503 input->name = dev->product_name;
504 input->phys = dev->phys;
505 usb_to_input_id(usb_dev, &input->id);
506 input->dev.parent = &usb_dev->dev;
507
508 input_set_drvdata(input, dev);
509
510 switch (dev->chip.usb_id) {
511 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
512 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
513 input->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
514 BIT_MASK(ABS_Z);
515 BUILD_BUG_ON(sizeof(dev->keycode) < sizeof(keycode_rk2));
516 memcpy(dev->keycode, keycode_rk2, sizeof(keycode_rk2));
517 input->keycodemax = ARRAY_SIZE(keycode_rk2);
518 input_set_abs_params(input, ABS_X, 0, 4096, 0, 10);
519 input_set_abs_params(input, ABS_Y, 0, 4096, 0, 10);
520 input_set_abs_params(input, ABS_Z, 0, 4096, 0, 10);
521 snd_usb_caiaq_set_auto_msg(dev, 1, 10, 0);
522 break;
523 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
524 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
525 input->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
526 BIT_MASK(ABS_Z);
527 BUILD_BUG_ON(sizeof(dev->keycode) < sizeof(keycode_rk3));
528 memcpy(dev->keycode, keycode_rk3, sizeof(keycode_rk3));
529 input->keycodemax = ARRAY_SIZE(keycode_rk3);
530 input_set_abs_params(input, ABS_X, 0, 1024, 0, 10);
531 input_set_abs_params(input, ABS_Y, 0, 1024, 0, 10);
532 input_set_abs_params(input, ABS_Z, 0, 1024, 0, 10);
533 snd_usb_caiaq_set_auto_msg(dev, 1, 10, 0);
534 break;
535 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
536 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
537 input->absbit[0] = BIT_MASK(ABS_X);
538 BUILD_BUG_ON(sizeof(dev->keycode) < sizeof(keycode_ak1));
539 memcpy(dev->keycode, keycode_ak1, sizeof(keycode_ak1));
540 input->keycodemax = ARRAY_SIZE(keycode_ak1);
541 input_set_abs_params(input, ABS_X, 0, 999, 0, 10);
542 snd_usb_caiaq_set_auto_msg(dev, 1, 0, 5);
543 break;
544 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
545 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
546 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
547 input->absbit[0] = BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |
548 BIT_MASK(ABS_HAT1X) | BIT_MASK(ABS_HAT1Y) |
549 BIT_MASK(ABS_HAT2X) | BIT_MASK(ABS_HAT2Y) |
550 BIT_MASK(ABS_HAT3X) | BIT_MASK(ABS_HAT3Y) |
551 BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
552 BIT_MASK(ABS_Z);
553 input->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC);
554 BUILD_BUG_ON(sizeof(dev->keycode) < sizeof(keycode_kore));
555 memcpy(dev->keycode, keycode_kore, sizeof(keycode_kore));
556 input->keycodemax = ARRAY_SIZE(keycode_kore);
557 input_set_abs_params(input, ABS_HAT0X, 0, 999, 0, 10);
558 input_set_abs_params(input, ABS_HAT0Y, 0, 999, 0, 10);
559 input_set_abs_params(input, ABS_HAT1X, 0, 999, 0, 10);
560 input_set_abs_params(input, ABS_HAT1Y, 0, 999, 0, 10);
561 input_set_abs_params(input, ABS_HAT2X, 0, 999, 0, 10);
562 input_set_abs_params(input, ABS_HAT2Y, 0, 999, 0, 10);
563 input_set_abs_params(input, ABS_HAT3X, 0, 999, 0, 10);
564 input_set_abs_params(input, ABS_HAT3Y, 0, 999, 0, 10);
565 input_set_abs_params(input, ABS_X, 0, 4096, 0, 10);
566 input_set_abs_params(input, ABS_Y, 0, 4096, 0, 10);
567 input_set_abs_params(input, ABS_Z, 0, 4096, 0, 10);
568 input_set_abs_params(input, ABS_MISC, 0, 255, 0, 1);
569 snd_usb_caiaq_set_auto_msg(dev, 1, 10, 5);
570 break;
571 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
572 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
573 input->absbit[0] = BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |
574 BIT_MASK(ABS_HAT1X) | BIT_MASK(ABS_HAT1Y) |
575 BIT_MASK(ABS_HAT2X) | BIT_MASK(ABS_HAT2Y) |
576 BIT_MASK(ABS_HAT3X) | BIT_MASK(ABS_HAT3Y) |
577 BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
578 BIT_MASK(ABS_Z);
579 input->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC);
580 BUILD_BUG_ON(sizeof(dev->keycode) < KONTROLX1_INPUTS);
581 for (i = 0; i < KONTROLX1_INPUTS; i++)
582 dev->keycode[i] = BTN_MISC + i;
583 input->keycodemax = KONTROLX1_INPUTS;
584
585 /* analog potentiometers */
586 input_set_abs_params(input, ABS_HAT0X, 0, 4096, 0, 10);
587 input_set_abs_params(input, ABS_HAT0Y, 0, 4096, 0, 10);
588 input_set_abs_params(input, ABS_HAT1X, 0, 4096, 0, 10);
589 input_set_abs_params(input, ABS_HAT1Y, 0, 4096, 0, 10);
590 input_set_abs_params(input, ABS_HAT2X, 0, 4096, 0, 10);
591 input_set_abs_params(input, ABS_HAT2Y, 0, 4096, 0, 10);
592 input_set_abs_params(input, ABS_HAT3X, 0, 4096, 0, 10);
593 input_set_abs_params(input, ABS_HAT3Y, 0, 4096, 0, 10);
594
595 /* rotary encoders */
596 input_set_abs_params(input, ABS_X, 0, 0xf, 0, 1);
597 input_set_abs_params(input, ABS_Y, 0, 0xf, 0, 1);
598 input_set_abs_params(input, ABS_Z, 0, 0xf, 0, 1);
599 input_set_abs_params(input, ABS_MISC, 0, 0xf, 0, 1);
600
601 dev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
602 if (!dev->ep4_in_urb) {
603 ret = -ENOMEM;
604 goto exit_free_idev;
605 }
606
607 usb_fill_bulk_urb(dev->ep4_in_urb, usb_dev,
608 usb_rcvbulkpipe(usb_dev, 0x4),
609 dev->ep4_in_buf, EP4_BUFSIZE,
610 snd_usb_caiaq_ep4_reply_dispatch, dev);
611
612 snd_usb_caiaq_set_auto_msg(dev, 1, 10, 5);
613
614 break;
615
616 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
617 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
618 BUILD_BUG_ON(sizeof(dev->keycode) < KONTROLS4_BUTTONS);
619 for (i = 0; i < KONTROLS4_BUTTONS; i++)
620 dev->keycode[i] = KONTROLS4_BUTTON(i);
621 input->keycodemax = KONTROLS4_BUTTONS;
622
623 for (i = 0; i < KONTROLS4_AXIS; i++) {
624 int axis = KONTROLS4_ABS(i);
625 input->absbit[BIT_WORD(axis)] |= BIT_MASK(axis);
626 }
627
628 /* 36 analog potentiometers and faders */
629 for (i = 0; i < 36; i++)
630 input_set_abs_params(input, KONTROLS4_ABS(i), 0, 0xfff, 0, 10);
631
632 /* 2 encoder wheels */
633 input_set_abs_params(input, KONTROLS4_ABS(36), 0, 0x3ff, 0, 1);
634 input_set_abs_params(input, KONTROLS4_ABS(37), 0, 0x3ff, 0, 1);
635
636 /* 9 rotary encoders */
637 for (i = 0; i < 9; i++)
638 input_set_abs_params(input, KONTROLS4_ABS(38+i), 0, 0xf, 0, 1);
639
640 dev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
641 if (!dev->ep4_in_urb) {
642 ret = -ENOMEM;
643 goto exit_free_idev;
644 }
645
646 usb_fill_bulk_urb(dev->ep4_in_urb, usb_dev,
647 usb_rcvbulkpipe(usb_dev, 0x4),
648 dev->ep4_in_buf, EP4_BUFSIZE,
649 snd_usb_caiaq_ep4_reply_dispatch, dev);
650
651 snd_usb_caiaq_set_auto_msg(dev, 1, 10, 5);
652
653 break;
654
655 default:
656 /* no input methods supported on this device */
657 goto exit_free_idev;
658 }
659
660 input->open = snd_usb_caiaq_input_open;
661 input->close = snd_usb_caiaq_input_close;
662 input->keycode = dev->keycode;
663 input->keycodesize = sizeof(unsigned short);
664 for (i = 0; i < input->keycodemax; i++)
665 __set_bit(dev->keycode[i], input->keybit);
666
667 ret = input_register_device(input);
668 if (ret < 0)
669 goto exit_free_idev;
670
671 dev->input_dev = input;
672 return 0;
673
674exit_free_idev:
675 input_free_device(input);
676 return ret;
677}
678
679void snd_usb_caiaq_input_free(struct snd_usb_caiaqdev *dev)
680{
681 if (!dev || !dev->input_dev)
682 return;
683
684 usb_kill_urb(dev->ep4_in_urb);
685 usb_free_urb(dev->ep4_in_urb);
686 dev->ep4_in_urb = NULL;
687
688 input_unregister_device(dev->input_dev);
689 dev->input_dev = NULL;
690}
691