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
17 static const unsigned short keycode_ak1[] = { KEY_C, KEY_B, KEY_A };
18 static const unsigned short keycode_rk2[] = { KEY_1, KEY_2, KEY_3, KEY_4,
19 KEY_5, KEY_6, KEY_7 };
20 static 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
23 static 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
63 static 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 */
decode_erp(unsigned char a,unsigned char b)131 static 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
snd_caiaq_input_report_abs(struct snd_usb_caiaqdev * cdev,int axis,const unsigned char * buf,int offset)190 static 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
snd_caiaq_input_read_analog(struct snd_usb_caiaqdev * cdev,const unsigned char * buf,unsigned int len)198 static 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 if (len < 6)
207 return;
208 snd_caiaq_input_report_abs(cdev, ABS_X, buf, 2);
209 snd_caiaq_input_report_abs(cdev, ABS_Y, buf, 0);
210 snd_caiaq_input_report_abs(cdev, ABS_Z, buf, 1);
211 break;
212 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
213 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
214 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
215 if (len < 6)
216 return;
217 snd_caiaq_input_report_abs(cdev, ABS_X, buf, 0);
218 snd_caiaq_input_report_abs(cdev, ABS_Y, buf, 1);
219 snd_caiaq_input_report_abs(cdev, ABS_Z, buf, 2);
220 break;
221 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
222 if (len < 16)
223 return;
224 snd_caiaq_input_report_abs(cdev, ABS_HAT0X, buf, 4);
225 snd_caiaq_input_report_abs(cdev, ABS_HAT0Y, buf, 2);
226 snd_caiaq_input_report_abs(cdev, ABS_HAT1X, buf, 6);
227 snd_caiaq_input_report_abs(cdev, ABS_HAT1Y, buf, 1);
228 snd_caiaq_input_report_abs(cdev, ABS_HAT2X, buf, 7);
229 snd_caiaq_input_report_abs(cdev, ABS_HAT2Y, buf, 0);
230 snd_caiaq_input_report_abs(cdev, ABS_HAT3X, buf, 5);
231 snd_caiaq_input_report_abs(cdev, ABS_HAT3Y, buf, 3);
232 break;
233 }
234
235 input_sync(input_dev);
236 }
237
snd_caiaq_input_read_erp(struct snd_usb_caiaqdev * cdev,const char * buf,unsigned int len)238 static void snd_caiaq_input_read_erp(struct snd_usb_caiaqdev *cdev,
239 const char *buf, unsigned int len)
240 {
241 struct input_dev *input_dev = cdev->input_dev;
242 int i;
243
244 switch (cdev->chip.usb_id) {
245 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
246 if (len < 2)
247 return;
248 i = decode_erp(buf[0], buf[1]);
249 input_report_abs(input_dev, ABS_X, i);
250 input_sync(input_dev);
251 break;
252 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
253 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
254 if (len < 16)
255 return;
256 i = decode_erp(buf[7], buf[5]);
257 input_report_abs(input_dev, ABS_HAT0X, i);
258 i = decode_erp(buf[12], buf[14]);
259 input_report_abs(input_dev, ABS_HAT0Y, i);
260 i = decode_erp(buf[15], buf[13]);
261 input_report_abs(input_dev, ABS_HAT1X, i);
262 i = decode_erp(buf[0], buf[2]);
263 input_report_abs(input_dev, ABS_HAT1Y, i);
264 i = decode_erp(buf[3], buf[1]);
265 input_report_abs(input_dev, ABS_HAT2X, i);
266 i = decode_erp(buf[8], buf[10]);
267 input_report_abs(input_dev, ABS_HAT2Y, i);
268 i = decode_erp(buf[11], buf[9]);
269 input_report_abs(input_dev, ABS_HAT3X, i);
270 i = decode_erp(buf[4], buf[6]);
271 input_report_abs(input_dev, ABS_HAT3Y, i);
272 input_sync(input_dev);
273 break;
274
275 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
276 if (len < 22)
277 return;
278 /* 4 under the left screen */
279 input_report_abs(input_dev, ABS_HAT0X, decode_erp(buf[21], buf[20]));
280 input_report_abs(input_dev, ABS_HAT0Y, decode_erp(buf[15], buf[14]));
281 input_report_abs(input_dev, ABS_HAT1X, decode_erp(buf[9], buf[8]));
282 input_report_abs(input_dev, ABS_HAT1Y, decode_erp(buf[3], buf[2]));
283
284 /* 4 under the right screen */
285 input_report_abs(input_dev, ABS_HAT2X, decode_erp(buf[19], buf[18]));
286 input_report_abs(input_dev, ABS_HAT2Y, decode_erp(buf[13], buf[12]));
287 input_report_abs(input_dev, ABS_HAT3X, decode_erp(buf[7], buf[6]));
288 input_report_abs(input_dev, ABS_HAT3Y, decode_erp(buf[1], buf[0]));
289
290 /* volume */
291 input_report_abs(input_dev, ABS_RX, decode_erp(buf[17], buf[16]));
292 /* tempo */
293 input_report_abs(input_dev, ABS_RY, decode_erp(buf[11], buf[10]));
294 /* swing */
295 input_report_abs(input_dev, ABS_RZ, decode_erp(buf[5], buf[4]));
296
297 input_sync(input_dev);
298 break;
299 }
300 }
301
snd_caiaq_input_read_io(struct snd_usb_caiaqdev * cdev,unsigned char * buf,unsigned int len)302 static void snd_caiaq_input_read_io(struct snd_usb_caiaqdev *cdev,
303 unsigned char *buf, unsigned int len)
304 {
305 struct input_dev *input_dev = cdev->input_dev;
306 unsigned short *keycode = input_dev->keycode;
307 int i;
308
309 if (!keycode)
310 return;
311
312 if (input_dev->id.product == USB_PID_RIGKONTROL2)
313 for (i = 0; i < len; i++)
314 buf[i] = ~buf[i];
315
316 for (i = 0; i < input_dev->keycodemax && i < len * 8; i++)
317 input_report_key(input_dev, keycode[i],
318 buf[i / 8] & (1 << (i % 8)));
319
320 switch (cdev->chip.usb_id) {
321 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
322 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
323 if (len < 5)
324 return;
325 input_report_abs(cdev->input_dev, ABS_MISC, 255 - buf[4]);
326 break;
327 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
328 if (len < 7)
329 return;
330 /* rotary encoders */
331 input_report_abs(cdev->input_dev, ABS_X, buf[5] & 0xf);
332 input_report_abs(cdev->input_dev, ABS_Y, buf[5] >> 4);
333 input_report_abs(cdev->input_dev, ABS_Z, buf[6] & 0xf);
334 input_report_abs(cdev->input_dev, ABS_MISC, buf[6] >> 4);
335 break;
336 }
337
338 input_sync(input_dev);
339 }
340
341 #define TKS4_MSGBLOCK_SIZE 16
342
snd_usb_caiaq_tks4_dispatch(struct snd_usb_caiaqdev * cdev,const unsigned char * buf,unsigned int len)343 static void snd_usb_caiaq_tks4_dispatch(struct snd_usb_caiaqdev *cdev,
344 const unsigned char *buf,
345 unsigned int len)
346 {
347 struct device *dev = caiaqdev_to_dev(cdev);
348
349 while (len >= TKS4_MSGBLOCK_SIZE) {
350 unsigned int i, block_id = (buf[0] << 8) | buf[1];
351
352 switch (block_id) {
353 case 0:
354 /* buttons */
355 for (i = 0; i < KONTROLS4_BUTTONS; i++)
356 input_report_key(cdev->input_dev, KONTROLS4_BUTTON(i),
357 (buf[4 + (i / 8)] >> (i % 8)) & 1);
358 break;
359
360 case 1:
361 /* left wheel */
362 input_report_abs(cdev->input_dev, KONTROLS4_ABS(36), buf[9] | ((buf[8] & 0x3) << 8));
363 /* right wheel */
364 input_report_abs(cdev->input_dev, KONTROLS4_ABS(37), buf[13] | ((buf[12] & 0x3) << 8));
365
366 /* rotary encoders */
367 input_report_abs(cdev->input_dev, KONTROLS4_ABS(38), buf[3] & 0xf);
368 input_report_abs(cdev->input_dev, KONTROLS4_ABS(39), buf[4] >> 4);
369 input_report_abs(cdev->input_dev, KONTROLS4_ABS(40), buf[4] & 0xf);
370 input_report_abs(cdev->input_dev, KONTROLS4_ABS(41), buf[5] >> 4);
371 input_report_abs(cdev->input_dev, KONTROLS4_ABS(42), buf[5] & 0xf);
372 input_report_abs(cdev->input_dev, KONTROLS4_ABS(43), buf[6] >> 4);
373 input_report_abs(cdev->input_dev, KONTROLS4_ABS(44), buf[6] & 0xf);
374 input_report_abs(cdev->input_dev, KONTROLS4_ABS(45), buf[7] >> 4);
375 input_report_abs(cdev->input_dev, KONTROLS4_ABS(46), buf[7] & 0xf);
376
377 break;
378 case 2:
379 /* Volume Fader Channel D */
380 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(0), buf, 1);
381 /* Volume Fader Channel B */
382 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(1), buf, 2);
383 /* Volume Fader Channel A */
384 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(2), buf, 3);
385 /* Volume Fader Channel C */
386 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(3), buf, 4);
387 /* Loop Volume */
388 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(4), buf, 6);
389 /* Crossfader */
390 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(7), buf, 7);
391
392 break;
393
394 case 3:
395 /* Tempo Fader R */
396 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(6), buf, 3);
397 /* Tempo Fader L */
398 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(5), buf, 4);
399 /* Mic Volume */
400 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(8), buf, 6);
401 /* Cue Mix */
402 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(9), buf, 7);
403
404 break;
405
406 case 4:
407 /* Wheel distance sensor L */
408 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(10), buf, 1);
409 /* Wheel distance sensor R */
410 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(11), buf, 2);
411 /* Channel D EQ - Filter */
412 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(12), buf, 3);
413 /* Channel D EQ - Low */
414 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(13), buf, 4);
415 /* Channel D EQ - Mid */
416 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(14), buf, 5);
417 /* Channel D EQ - Hi */
418 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(15), buf, 6);
419 /* FX2 - dry/wet */
420 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(16), buf, 7);
421
422 break;
423
424 case 5:
425 /* FX2 - 1 */
426 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(17), buf, 1);
427 /* FX2 - 2 */
428 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(18), buf, 2);
429 /* FX2 - 3 */
430 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(19), buf, 3);
431 /* Channel B EQ - Filter */
432 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(20), buf, 4);
433 /* Channel B EQ - Low */
434 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(21), buf, 5);
435 /* Channel B EQ - Mid */
436 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(22), buf, 6);
437 /* Channel B EQ - Hi */
438 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(23), buf, 7);
439
440 break;
441
442 case 6:
443 /* Channel A EQ - Filter */
444 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(24), buf, 1);
445 /* Channel A EQ - Low */
446 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(25), buf, 2);
447 /* Channel A EQ - Mid */
448 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(26), buf, 3);
449 /* Channel A EQ - Hi */
450 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(27), buf, 4);
451 /* Channel C EQ - Filter */
452 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(28), buf, 5);
453 /* Channel C EQ - Low */
454 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(29), buf, 6);
455 /* Channel C EQ - Mid */
456 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(30), buf, 7);
457
458 break;
459
460 case 7:
461 /* Channel C EQ - Hi */
462 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(31), buf, 1);
463 /* FX1 - wet/dry */
464 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(32), buf, 2);
465 /* FX1 - 1 */
466 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(33), buf, 3);
467 /* FX1 - 2 */
468 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(34), buf, 4);
469 /* FX1 - 3 */
470 snd_caiaq_input_report_abs(cdev, KONTROLS4_ABS(35), buf, 5);
471
472 break;
473
474 default:
475 dev_dbg(dev, "%s(): bogus block (id %d)\n",
476 __func__, block_id);
477 return;
478 }
479
480 len -= TKS4_MSGBLOCK_SIZE;
481 buf += TKS4_MSGBLOCK_SIZE;
482 }
483
484 input_sync(cdev->input_dev);
485 }
486
487 #define MASCHINE_MSGBLOCK_SIZE 2
488
snd_usb_caiaq_maschine_dispatch(struct snd_usb_caiaqdev * cdev,const unsigned char * buf,unsigned int len)489 static void snd_usb_caiaq_maschine_dispatch(struct snd_usb_caiaqdev *cdev,
490 const unsigned char *buf,
491 unsigned int len)
492 {
493 unsigned int i, pad_id;
494 __le16 *pressure = (__le16 *) buf;
495
496 for (i = 0; i < MASCHINE_PADS; i++) {
497 pad_id = le16_to_cpu(*pressure) >> 12;
498 input_report_abs(cdev->input_dev, MASCHINE_PAD(pad_id),
499 le16_to_cpu(*pressure) & 0xfff);
500 pressure++;
501 }
502
503 input_sync(cdev->input_dev);
504 }
505
snd_usb_caiaq_ep4_reply_dispatch(struct urb * urb)506 static void snd_usb_caiaq_ep4_reply_dispatch(struct urb *urb)
507 {
508 struct snd_usb_caiaqdev *cdev = urb->context;
509 unsigned char *buf = urb->transfer_buffer;
510 struct device *dev = &urb->dev->dev;
511 int ret;
512
513 if (urb->status || !cdev || urb != cdev->ep4_in_urb)
514 return;
515
516 switch (cdev->chip.usb_id) {
517 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
518 if (urb->actual_length < 24)
519 goto requeue;
520
521 if (buf[0] & 0x3)
522 snd_caiaq_input_read_io(cdev, buf + 1, 7);
523
524 if (buf[0] & 0x4)
525 snd_caiaq_input_read_analog(cdev, buf + 8, 16);
526
527 break;
528
529 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
530 snd_usb_caiaq_tks4_dispatch(cdev, buf, urb->actual_length);
531 break;
532
533 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
534 if (urb->actual_length < (MASCHINE_PADS * MASCHINE_MSGBLOCK_SIZE))
535 goto requeue;
536
537 snd_usb_caiaq_maschine_dispatch(cdev, buf, urb->actual_length);
538 break;
539 }
540
541 requeue:
542 cdev->ep4_in_urb->actual_length = 0;
543 ret = usb_submit_urb(cdev->ep4_in_urb, GFP_ATOMIC);
544 if (ret < 0)
545 dev_err(dev, "unable to submit urb. OOM!?\n");
546 }
547
snd_usb_caiaq_input_open(struct input_dev * idev)548 static int snd_usb_caiaq_input_open(struct input_dev *idev)
549 {
550 struct snd_usb_caiaqdev *cdev = input_get_drvdata(idev);
551
552 if (!cdev)
553 return -EINVAL;
554
555 switch (cdev->chip.usb_id) {
556 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
557 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
558 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
559 if (usb_submit_urb(cdev->ep4_in_urb, GFP_KERNEL) != 0)
560 return -EIO;
561 break;
562 }
563
564 return 0;
565 }
566
snd_usb_caiaq_input_close(struct input_dev * idev)567 static void snd_usb_caiaq_input_close(struct input_dev *idev)
568 {
569 struct snd_usb_caiaqdev *cdev = input_get_drvdata(idev);
570
571 if (!cdev)
572 return;
573
574 switch (cdev->chip.usb_id) {
575 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
576 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
577 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
578 usb_kill_urb(cdev->ep4_in_urb);
579 break;
580 }
581 }
582
snd_usb_caiaq_input_dispatch(struct snd_usb_caiaqdev * cdev,char * buf,unsigned int len)583 void snd_usb_caiaq_input_dispatch(struct snd_usb_caiaqdev *cdev,
584 char *buf,
585 unsigned int len)
586 {
587 if (!cdev->input_dev || len < 1)
588 return;
589
590 switch (buf[0]) {
591 case EP1_CMD_READ_ANALOG:
592 snd_caiaq_input_read_analog(cdev, buf + 1, len - 1);
593 break;
594 case EP1_CMD_READ_ERP:
595 snd_caiaq_input_read_erp(cdev, buf + 1, len - 1);
596 break;
597 case EP1_CMD_READ_IO:
598 snd_caiaq_input_read_io(cdev, buf + 1, len - 1);
599 break;
600 }
601 }
602
snd_usb_caiaq_input_init(struct snd_usb_caiaqdev * cdev)603 int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *cdev)
604 {
605 struct usb_device *usb_dev = cdev->chip.dev;
606 struct input_dev *input;
607 int i, ret = 0;
608
609 input = input_allocate_device();
610 if (!input)
611 return -ENOMEM;
612
613 usb_make_path(usb_dev, cdev->phys, sizeof(cdev->phys));
614 strlcat(cdev->phys, "/input0", sizeof(cdev->phys));
615
616 input->name = cdev->product_name;
617 input->phys = cdev->phys;
618 usb_to_input_id(usb_dev, &input->id);
619 input->dev.parent = &usb_dev->dev;
620
621 input_set_drvdata(input, cdev);
622
623 switch (cdev->chip.usb_id) {
624 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
625 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
626 input->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
627 BIT_MASK(ABS_Z);
628 BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_rk2));
629 memcpy(cdev->keycode, keycode_rk2, sizeof(keycode_rk2));
630 input->keycodemax = ARRAY_SIZE(keycode_rk2);
631 input_set_abs_params(input, ABS_X, 0, 4096, 0, 10);
632 input_set_abs_params(input, ABS_Y, 0, 4096, 0, 10);
633 input_set_abs_params(input, ABS_Z, 0, 4096, 0, 10);
634 snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 0);
635 break;
636 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
637 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
638 input->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
639 BIT_MASK(ABS_Z);
640 BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_rk3));
641 memcpy(cdev->keycode, keycode_rk3, sizeof(keycode_rk3));
642 input->keycodemax = ARRAY_SIZE(keycode_rk3);
643 input_set_abs_params(input, ABS_X, 0, 1024, 0, 10);
644 input_set_abs_params(input, ABS_Y, 0, 1024, 0, 10);
645 input_set_abs_params(input, ABS_Z, 0, 1024, 0, 10);
646 snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 0);
647 break;
648 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
649 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
650 input->absbit[0] = BIT_MASK(ABS_X);
651 BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_ak1));
652 memcpy(cdev->keycode, keycode_ak1, sizeof(keycode_ak1));
653 input->keycodemax = ARRAY_SIZE(keycode_ak1);
654 input_set_abs_params(input, ABS_X, 0, 999, 0, 10);
655 snd_usb_caiaq_set_auto_msg(cdev, 1, 0, 5);
656 break;
657 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
658 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
659 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
660 input->absbit[0] = BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |
661 BIT_MASK(ABS_HAT1X) | BIT_MASK(ABS_HAT1Y) |
662 BIT_MASK(ABS_HAT2X) | BIT_MASK(ABS_HAT2Y) |
663 BIT_MASK(ABS_HAT3X) | BIT_MASK(ABS_HAT3Y) |
664 BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
665 BIT_MASK(ABS_Z);
666 input->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC);
667 BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_kore));
668 memcpy(cdev->keycode, keycode_kore, sizeof(keycode_kore));
669 input->keycodemax = ARRAY_SIZE(keycode_kore);
670 input_set_abs_params(input, ABS_HAT0X, 0, 999, 0, 10);
671 input_set_abs_params(input, ABS_HAT0Y, 0, 999, 0, 10);
672 input_set_abs_params(input, ABS_HAT1X, 0, 999, 0, 10);
673 input_set_abs_params(input, ABS_HAT1Y, 0, 999, 0, 10);
674 input_set_abs_params(input, ABS_HAT2X, 0, 999, 0, 10);
675 input_set_abs_params(input, ABS_HAT2Y, 0, 999, 0, 10);
676 input_set_abs_params(input, ABS_HAT3X, 0, 999, 0, 10);
677 input_set_abs_params(input, ABS_HAT3Y, 0, 999, 0, 10);
678 input_set_abs_params(input, ABS_X, 0, 4096, 0, 10);
679 input_set_abs_params(input, ABS_Y, 0, 4096, 0, 10);
680 input_set_abs_params(input, ABS_Z, 0, 4096, 0, 10);
681 input_set_abs_params(input, ABS_MISC, 0, 255, 0, 1);
682 snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
683 break;
684 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
685 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
686 input->absbit[0] = BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |
687 BIT_MASK(ABS_HAT1X) | BIT_MASK(ABS_HAT1Y) |
688 BIT_MASK(ABS_HAT2X) | BIT_MASK(ABS_HAT2Y) |
689 BIT_MASK(ABS_HAT3X) | BIT_MASK(ABS_HAT3Y) |
690 BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
691 BIT_MASK(ABS_Z);
692 input->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC);
693 BUILD_BUG_ON(sizeof(cdev->keycode) < KONTROLX1_INPUTS);
694 for (i = 0; i < KONTROLX1_INPUTS; i++)
695 cdev->keycode[i] = BTN_MISC + i;
696 input->keycodemax = KONTROLX1_INPUTS;
697
698 /* analog potentiometers */
699 input_set_abs_params(input, ABS_HAT0X, 0, 4096, 0, 10);
700 input_set_abs_params(input, ABS_HAT0Y, 0, 4096, 0, 10);
701 input_set_abs_params(input, ABS_HAT1X, 0, 4096, 0, 10);
702 input_set_abs_params(input, ABS_HAT1Y, 0, 4096, 0, 10);
703 input_set_abs_params(input, ABS_HAT2X, 0, 4096, 0, 10);
704 input_set_abs_params(input, ABS_HAT2Y, 0, 4096, 0, 10);
705 input_set_abs_params(input, ABS_HAT3X, 0, 4096, 0, 10);
706 input_set_abs_params(input, ABS_HAT3Y, 0, 4096, 0, 10);
707
708 /* rotary encoders */
709 input_set_abs_params(input, ABS_X, 0, 0xf, 0, 1);
710 input_set_abs_params(input, ABS_Y, 0, 0xf, 0, 1);
711 input_set_abs_params(input, ABS_Z, 0, 0xf, 0, 1);
712 input_set_abs_params(input, ABS_MISC, 0, 0xf, 0, 1);
713
714 cdev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
715 if (!cdev->ep4_in_urb) {
716 ret = -ENOMEM;
717 goto exit_free_idev;
718 }
719
720 usb_fill_bulk_urb(cdev->ep4_in_urb, usb_dev,
721 usb_rcvbulkpipe(usb_dev, 0x4),
722 cdev->ep4_in_buf, EP4_BUFSIZE,
723 snd_usb_caiaq_ep4_reply_dispatch, cdev);
724 ret = usb_urb_ep_type_check(cdev->ep4_in_urb);
725 if (ret < 0)
726 goto exit_free_idev;
727
728 snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
729
730 break;
731
732 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
733 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
734 BUILD_BUG_ON(sizeof(cdev->keycode) < KONTROLS4_BUTTONS);
735 for (i = 0; i < KONTROLS4_BUTTONS; i++)
736 cdev->keycode[i] = KONTROLS4_BUTTON(i);
737 input->keycodemax = KONTROLS4_BUTTONS;
738
739 for (i = 0; i < KONTROLS4_AXIS; i++) {
740 int axis = KONTROLS4_ABS(i);
741 input->absbit[BIT_WORD(axis)] |= BIT_MASK(axis);
742 }
743
744 /* 36 analog potentiometers and faders */
745 for (i = 0; i < 36; i++)
746 input_set_abs_params(input, KONTROLS4_ABS(i), 0, 0xfff, 0, 10);
747
748 /* 2 encoder wheels */
749 input_set_abs_params(input, KONTROLS4_ABS(36), 0, 0x3ff, 0, 1);
750 input_set_abs_params(input, KONTROLS4_ABS(37), 0, 0x3ff, 0, 1);
751
752 /* 9 rotary encoders */
753 for (i = 0; i < 9; i++)
754 input_set_abs_params(input, KONTROLS4_ABS(38+i), 0, 0xf, 0, 1);
755
756 cdev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
757 if (!cdev->ep4_in_urb) {
758 ret = -ENOMEM;
759 goto exit_free_idev;
760 }
761
762 usb_fill_bulk_urb(cdev->ep4_in_urb, usb_dev,
763 usb_rcvbulkpipe(usb_dev, 0x4),
764 cdev->ep4_in_buf, EP4_BUFSIZE,
765 snd_usb_caiaq_ep4_reply_dispatch, cdev);
766 ret = usb_urb_ep_type_check(cdev->ep4_in_urb);
767 if (ret < 0)
768 goto exit_free_idev;
769
770 snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
771
772 break;
773
774 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
775 input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
776 input->absbit[0] = BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |
777 BIT_MASK(ABS_HAT1X) | BIT_MASK(ABS_HAT1Y) |
778 BIT_MASK(ABS_HAT2X) | BIT_MASK(ABS_HAT2Y) |
779 BIT_MASK(ABS_HAT3X) | BIT_MASK(ABS_HAT3Y) |
780 BIT_MASK(ABS_RX) | BIT_MASK(ABS_RY) |
781 BIT_MASK(ABS_RZ);
782
783 BUILD_BUG_ON(sizeof(cdev->keycode) < sizeof(keycode_maschine));
784 memcpy(cdev->keycode, keycode_maschine, sizeof(keycode_maschine));
785 input->keycodemax = ARRAY_SIZE(keycode_maschine);
786
787 for (i = 0; i < MASCHINE_PADS; i++) {
788 input->absbit[0] |= MASCHINE_PAD(i);
789 input_set_abs_params(input, MASCHINE_PAD(i), 0, 0xfff, 5, 10);
790 }
791
792 input_set_abs_params(input, ABS_HAT0X, 0, 999, 0, 10);
793 input_set_abs_params(input, ABS_HAT0Y, 0, 999, 0, 10);
794 input_set_abs_params(input, ABS_HAT1X, 0, 999, 0, 10);
795 input_set_abs_params(input, ABS_HAT1Y, 0, 999, 0, 10);
796 input_set_abs_params(input, ABS_HAT2X, 0, 999, 0, 10);
797 input_set_abs_params(input, ABS_HAT2Y, 0, 999, 0, 10);
798 input_set_abs_params(input, ABS_HAT3X, 0, 999, 0, 10);
799 input_set_abs_params(input, ABS_HAT3Y, 0, 999, 0, 10);
800 input_set_abs_params(input, ABS_RX, 0, 999, 0, 10);
801 input_set_abs_params(input, ABS_RY, 0, 999, 0, 10);
802 input_set_abs_params(input, ABS_RZ, 0, 999, 0, 10);
803
804 cdev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
805 if (!cdev->ep4_in_urb) {
806 ret = -ENOMEM;
807 goto exit_free_idev;
808 }
809
810 usb_fill_bulk_urb(cdev->ep4_in_urb, usb_dev,
811 usb_rcvbulkpipe(usb_dev, 0x4),
812 cdev->ep4_in_buf, EP4_BUFSIZE,
813 snd_usb_caiaq_ep4_reply_dispatch, cdev);
814 ret = usb_urb_ep_type_check(cdev->ep4_in_urb);
815 if (ret < 0)
816 goto exit_free_idev;
817
818 snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
819 break;
820
821 default:
822 /* no input methods supported on this device */
823 ret = -ENODEV;
824 goto exit_free_idev;
825 }
826
827 input->open = snd_usb_caiaq_input_open;
828 input->close = snd_usb_caiaq_input_close;
829 input->keycode = cdev->keycode;
830 input->keycodesize = sizeof(unsigned short);
831 for (i = 0; i < input->keycodemax; i++)
832 __set_bit(cdev->keycode[i], input->keybit);
833
834 cdev->input_dev = input;
835
836 ret = input_register_device(input);
837 if (ret < 0)
838 goto exit_free_idev;
839
840 return 0;
841
842 exit_free_idev:
843 input_free_device(input);
844 cdev->input_dev = NULL;
845 return ret;
846 }
847
snd_usb_caiaq_input_disconnect(struct snd_usb_caiaqdev * cdev)848 void snd_usb_caiaq_input_disconnect(struct snd_usb_caiaqdev *cdev)
849 {
850 if (!cdev || !cdev->input_dev)
851 return;
852
853 usb_kill_urb(cdev->ep4_in_urb);
854 input_unregister_device(cdev->input_dev);
855 }
856
snd_usb_caiaq_input_free(struct snd_usb_caiaqdev * cdev)857 void snd_usb_caiaq_input_free(struct snd_usb_caiaqdev *cdev)
858 {
859 if (!cdev || !cdev->input_dev)
860 return;
861
862 usb_free_urb(cdev->ep4_in_urb);
863 cdev->ep4_in_urb = NULL;
864 cdev->input_dev = NULL;
865 }
866