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 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
snd_caiaq_input_read_erp(struct snd_usb_caiaqdev * cdev,const char * buf,unsigned int len)232 static 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
snd_caiaq_input_read_io(struct snd_usb_caiaqdev * cdev,unsigned char * buf,unsigned int len)290 static 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
snd_usb_caiaq_tks4_dispatch(struct snd_usb_caiaqdev * cdev,const unsigned char * buf,unsigned int len)327 static 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
snd_usb_caiaq_maschine_dispatch(struct snd_usb_caiaqdev * cdev,const unsigned char * buf,unsigned int len)473 static 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
snd_usb_caiaq_ep4_reply_dispatch(struct urb * urb)490 static 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
525 requeue:
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
snd_usb_caiaq_input_open(struct input_dev * idev)532 static 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
snd_usb_caiaq_input_close(struct input_dev * idev)551 static 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
snd_usb_caiaq_input_dispatch(struct snd_usb_caiaqdev * cdev,char * buf,unsigned int len)567 void 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
snd_usb_caiaq_input_init(struct snd_usb_caiaqdev * cdev)587 int 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 goto exit_free_idev;
808 }
809
810 input->open = snd_usb_caiaq_input_open;
811 input->close = snd_usb_caiaq_input_close;
812 input->keycode = cdev->keycode;
813 input->keycodesize = sizeof(unsigned short);
814 for (i = 0; i < input->keycodemax; i++)
815 __set_bit(cdev->keycode[i], input->keybit);
816
817 cdev->input_dev = input;
818
819 ret = input_register_device(input);
820 if (ret < 0)
821 goto exit_free_idev;
822
823 return 0;
824
825 exit_free_idev:
826 input_free_device(input);
827 cdev->input_dev = NULL;
828 return ret;
829 }
830
snd_usb_caiaq_input_free(struct snd_usb_caiaqdev * cdev)831 void snd_usb_caiaq_input_free(struct snd_usb_caiaqdev *cdev)
832 {
833 if (!cdev || !cdev->input_dev)
834 return;
835
836 usb_kill_urb(cdev->ep4_in_urb);
837 usb_free_urb(cdev->ep4_in_urb);
838 cdev->ep4_in_urb = NULL;
839
840 input_unregister_device(cdev->input_dev);
841 cdev->input_dev = NULL;
842 }
843