Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
input.c
Go to the documentation of this file.
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 
29 static unsigned short keycode_ak1[] = { KEY_C, KEY_B, KEY_A };
30 static unsigned short keycode_rk2[] = { KEY_1, KEY_2, KEY_3, KEY_4,
31  KEY_5, KEY_6, KEY_7 };
32 static unsigned short keycode_rk3[] = { KEY_1, KEY_2, KEY_3, KEY_4,
33  KEY_5, KEY_6, KEY_7, KEY_8, KEY_9 };
34 
35 static 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 MASCHINE_BUTTONS (42)
71 #define MASCHINE_BUTTON(X) ((X) + BTN_MISC)
72 #define MASCHINE_PADS (16)
73 #define MASCHINE_PAD(X) ((X) + ABS_PRESSURE)
74 
75 static unsigned short keycode_maschine[] = {
76  MASCHINE_BUTTON(40), /* mute */
77  MASCHINE_BUTTON(39), /* solo */
78  MASCHINE_BUTTON(38), /* select */
79  MASCHINE_BUTTON(37), /* duplicate */
80  MASCHINE_BUTTON(36), /* navigate */
81  MASCHINE_BUTTON(35), /* pad mode */
82  MASCHINE_BUTTON(34), /* pattern */
83  MASCHINE_BUTTON(33), /* scene */
84  KEY_RESERVED, /* spacer */
85 
86  MASCHINE_BUTTON(30), /* rec */
87  MASCHINE_BUTTON(31), /* erase */
88  MASCHINE_BUTTON(32), /* shift */
89  MASCHINE_BUTTON(28), /* grid */
90  MASCHINE_BUTTON(27), /* > */
91  MASCHINE_BUTTON(26), /* < */
92  MASCHINE_BUTTON(25), /* restart */
93 
94  MASCHINE_BUTTON(21), /* E */
95  MASCHINE_BUTTON(22), /* F */
96  MASCHINE_BUTTON(23), /* G */
97  MASCHINE_BUTTON(24), /* H */
98  MASCHINE_BUTTON(20), /* D */
99  MASCHINE_BUTTON(19), /* C */
100  MASCHINE_BUTTON(18), /* B */
101  MASCHINE_BUTTON(17), /* A */
102 
103  MASCHINE_BUTTON(0), /* control */
104  MASCHINE_BUTTON(2), /* browse */
105  MASCHINE_BUTTON(4), /* < */
106  MASCHINE_BUTTON(6), /* snap */
107  MASCHINE_BUTTON(7), /* autowrite */
108  MASCHINE_BUTTON(5), /* > */
109  MASCHINE_BUTTON(3), /* sampling */
110  MASCHINE_BUTTON(1), /* step */
111 
112  MASCHINE_BUTTON(15), /* 8 softkeys */
113  MASCHINE_BUTTON(14),
114  MASCHINE_BUTTON(13),
115  MASCHINE_BUTTON(12),
116  MASCHINE_BUTTON(11),
117  MASCHINE_BUTTON(10),
118  MASCHINE_BUTTON(9),
119  MASCHINE_BUTTON(8),
120 
121  MASCHINE_BUTTON(16), /* note repeat */
122  MASCHINE_BUTTON(29) /* play */
123 };
124 
125 #define KONTROLX1_INPUTS (40)
126 #define KONTROLS4_BUTTONS (12 * 8)
127 #define KONTROLS4_AXIS (46)
128 
129 #define KONTROLS4_BUTTON(X) ((X) + BTN_MISC)
130 #define KONTROLS4_ABS(X) ((X) + ABS_HAT0X)
131 
132 #define DEG90 (range / 2)
133 #define DEG180 (range)
134 #define DEG270 (DEG90 + DEG180)
135 #define DEG360 (DEG180 * 2)
136 #define HIGH_PEAK (268)
137 #define LOW_PEAK (-7)
138 
139 /* some of these devices have endless rotation potentiometers
140  * built in which use two tapers, 90 degrees phase shifted.
141  * this algorithm decodes them to one single value, ranging
142  * from 0 to 999 */
143 static unsigned int decode_erp(unsigned char a, unsigned char b)
144 {
145  int weight_a, weight_b;
146  int pos_a, pos_b;
147  int ret;
148  int range = HIGH_PEAK - LOW_PEAK;
149  int mid_value = (HIGH_PEAK + LOW_PEAK) / 2;
150 
151  weight_b = abs(mid_value - a) - (range / 2 - 100) / 2;
152 
153  if (weight_b < 0)
154  weight_b = 0;
155 
156  if (weight_b > 100)
157  weight_b = 100;
158 
159  weight_a = 100 - weight_b;
160 
161  if (a < mid_value) {
162  /* 0..90 and 270..360 degrees */
163  pos_b = b - LOW_PEAK + DEG270;
164  if (pos_b >= DEG360)
165  pos_b -= DEG360;
166  } else
167  /* 90..270 degrees */
168  pos_b = HIGH_PEAK - b + DEG90;
169 
170 
171  if (b > mid_value)
172  /* 0..180 degrees */
173  pos_a = a - LOW_PEAK;
174  else
175  /* 180..360 degrees */
176  pos_a = HIGH_PEAK - a + DEG180;
177 
178  /* interpolate both slider values, depending on weight factors */
179  /* 0..99 x DEG360 */
180  ret = pos_a * weight_a + pos_b * weight_b;
181 
182  /* normalize to 0..999 */
183  ret *= 10;
184  ret /= DEG360;
185 
186  if (ret < 0)
187  ret += 1000;
188 
189  if (ret >= 1000)
190  ret -= 1000;
191 
192  return ret;
193 }
194 
195 #undef DEG90
196 #undef DEG180
197 #undef DEG270
198 #undef DEG360
199 #undef HIGH_PEAK
200 #undef LOW_PEAK
201 
202 static inline void snd_caiaq_input_report_abs(struct snd_usb_caiaqdev *dev,
203  int axis, const unsigned char *buf,
204  int offset)
205 {
206  input_report_abs(dev->input_dev, axis,
207  (buf[offset * 2] << 8) | buf[offset * 2 + 1]);
208 }
209 
210 static void snd_caiaq_input_read_analog(struct snd_usb_caiaqdev *dev,
211  const unsigned char *buf,
212  unsigned int len)
213 {
214  struct input_dev *input_dev = dev->input_dev;
215 
216  switch (dev->chip.usb_id) {
217  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
218  snd_caiaq_input_report_abs(dev, ABS_X, buf, 2);
219  snd_caiaq_input_report_abs(dev, ABS_Y, buf, 0);
220  snd_caiaq_input_report_abs(dev, ABS_Z, buf, 1);
221  break;
222  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
223  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
224  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
225  snd_caiaq_input_report_abs(dev, ABS_X, buf, 0);
226  snd_caiaq_input_report_abs(dev, ABS_Y, buf, 1);
227  snd_caiaq_input_report_abs(dev, ABS_Z, buf, 2);
228  break;
229  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
230  snd_caiaq_input_report_abs(dev, ABS_HAT0X, buf, 4);
231  snd_caiaq_input_report_abs(dev, ABS_HAT0Y, buf, 2);
232  snd_caiaq_input_report_abs(dev, ABS_HAT1X, buf, 6);
233  snd_caiaq_input_report_abs(dev, ABS_HAT1Y, buf, 1);
234  snd_caiaq_input_report_abs(dev, ABS_HAT2X, buf, 7);
235  snd_caiaq_input_report_abs(dev, ABS_HAT2Y, buf, 0);
236  snd_caiaq_input_report_abs(dev, ABS_HAT3X, buf, 5);
237  snd_caiaq_input_report_abs(dev, ABS_HAT3Y, buf, 3);
238  break;
239  }
240 
241  input_sync(input_dev);
242 }
243 
244 static void snd_caiaq_input_read_erp(struct snd_usb_caiaqdev *dev,
245  const char *buf, unsigned int len)
246 {
247  struct input_dev *input_dev = dev->input_dev;
248  int i;
249 
250  switch (dev->chip.usb_id) {
251  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
252  i = decode_erp(buf[0], buf[1]);
253  input_report_abs(input_dev, ABS_X, i);
254  input_sync(input_dev);
255  break;
256  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
257  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
258  i = decode_erp(buf[7], buf[5]);
259  input_report_abs(input_dev, ABS_HAT0X, i);
260  i = decode_erp(buf[12], buf[14]);
261  input_report_abs(input_dev, ABS_HAT0Y, i);
262  i = decode_erp(buf[15], buf[13]);
263  input_report_abs(input_dev, ABS_HAT1X, i);
264  i = decode_erp(buf[0], buf[2]);
265  input_report_abs(input_dev, ABS_HAT1Y, i);
266  i = decode_erp(buf[3], buf[1]);
267  input_report_abs(input_dev, ABS_HAT2X, i);
268  i = decode_erp(buf[8], buf[10]);
269  input_report_abs(input_dev, ABS_HAT2Y, i);
270  i = decode_erp(buf[11], buf[9]);
271  input_report_abs(input_dev, ABS_HAT3X, i);
272  i = decode_erp(buf[4], buf[6]);
273  input_report_abs(input_dev, ABS_HAT3Y, i);
274  input_sync(input_dev);
275  break;
276 
277  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
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 
302 static void snd_caiaq_input_read_io(struct snd_usb_caiaqdev *dev,
303  unsigned char *buf, unsigned int len)
304 {
305  struct input_dev *input_dev = dev->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 (dev->chip.usb_id) {
321  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
322  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
323  input_report_abs(dev->input_dev, ABS_MISC, 255 - buf[4]);
324  break;
325  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
326  /* rotary encoders */
327  input_report_abs(dev->input_dev, ABS_X, buf[5] & 0xf);
328  input_report_abs(dev->input_dev, ABS_Y, buf[5] >> 4);
329  input_report_abs(dev->input_dev, ABS_Z, buf[6] & 0xf);
330  input_report_abs(dev->input_dev, ABS_MISC, buf[6] >> 4);
331  break;
332  }
333 
334  input_sync(input_dev);
335 }
336 
337 #define TKS4_MSGBLOCK_SIZE 16
338 
339 static void snd_usb_caiaq_tks4_dispatch(struct snd_usb_caiaqdev *dev,
340  const unsigned char *buf,
341  unsigned int len)
342 {
343  while (len) {
344  unsigned int i, block_id = (buf[0] << 8) | buf[1];
345 
346  switch (block_id) {
347  case 0:
348  /* buttons */
349  for (i = 0; i < KONTROLS4_BUTTONS; i++)
350  input_report_key(dev->input_dev, KONTROLS4_BUTTON(i),
351  (buf[4 + (i / 8)] >> (i % 8)) & 1);
352  break;
353 
354  case 1:
355  /* left wheel */
356  input_report_abs(dev->input_dev, KONTROLS4_ABS(36), buf[9] | ((buf[8] & 0x3) << 8));
357  /* right wheel */
358  input_report_abs(dev->input_dev, KONTROLS4_ABS(37), buf[13] | ((buf[12] & 0x3) << 8));
359 
360  /* rotary encoders */
361  input_report_abs(dev->input_dev, KONTROLS4_ABS(38), buf[3] & 0xf);
362  input_report_abs(dev->input_dev, KONTROLS4_ABS(39), buf[4] >> 4);
363  input_report_abs(dev->input_dev, KONTROLS4_ABS(40), buf[4] & 0xf);
364  input_report_abs(dev->input_dev, KONTROLS4_ABS(41), buf[5] >> 4);
365  input_report_abs(dev->input_dev, KONTROLS4_ABS(42), buf[5] & 0xf);
366  input_report_abs(dev->input_dev, KONTROLS4_ABS(43), buf[6] >> 4);
367  input_report_abs(dev->input_dev, KONTROLS4_ABS(44), buf[6] & 0xf);
368  input_report_abs(dev->input_dev, KONTROLS4_ABS(45), buf[7] >> 4);
369  input_report_abs(dev->input_dev, KONTROLS4_ABS(46), buf[7] & 0xf);
370 
371  break;
372  case 2:
373  /* Volume Fader Channel D */
374  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(0), buf, 1);
375  /* Volume Fader Channel B */
376  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(1), buf, 2);
377  /* Volume Fader Channel A */
378  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(2), buf, 3);
379  /* Volume Fader Channel C */
380  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(3), buf, 4);
381  /* Loop Volume */
382  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(4), buf, 6);
383  /* Crossfader */
384  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(7), buf, 7);
385 
386  break;
387 
388  case 3:
389  /* Tempo Fader R */
390  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(6), buf, 3);
391  /* Tempo Fader L */
392  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(5), buf, 4);
393  /* Mic Volume */
394  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(8), buf, 6);
395  /* Cue Mix */
396  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(9), buf, 7);
397 
398  break;
399 
400  case 4:
401  /* Wheel distance sensor L */
402  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(10), buf, 1);
403  /* Wheel distance sensor R */
404  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(11), buf, 2);
405  /* Channel D EQ - Filter */
406  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(12), buf, 3);
407  /* Channel D EQ - Low */
408  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(13), buf, 4);
409  /* Channel D EQ - Mid */
410  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(14), buf, 5);
411  /* Channel D EQ - Hi */
412  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(15), buf, 6);
413  /* FX2 - dry/wet */
414  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(16), buf, 7);
415 
416  break;
417 
418  case 5:
419  /* FX2 - 1 */
420  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(17), buf, 1);
421  /* FX2 - 2 */
422  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(18), buf, 2);
423  /* FX2 - 3 */
424  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(19), buf, 3);
425  /* Channel B EQ - Filter */
426  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(20), buf, 4);
427  /* Channel B EQ - Low */
428  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(21), buf, 5);
429  /* Channel B EQ - Mid */
430  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(22), buf, 6);
431  /* Channel B EQ - Hi */
432  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(23), buf, 7);
433 
434  break;
435 
436  case 6:
437  /* Channel A EQ - Filter */
438  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(24), buf, 1);
439  /* Channel A EQ - Low */
440  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(25), buf, 2);
441  /* Channel A EQ - Mid */
442  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(26), buf, 3);
443  /* Channel A EQ - Hi */
444  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(27), buf, 4);
445  /* Channel C EQ - Filter */
446  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(28), buf, 5);
447  /* Channel C EQ - Low */
448  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(29), buf, 6);
449  /* Channel C EQ - Mid */
450  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(30), buf, 7);
451 
452  break;
453 
454  case 7:
455  /* Channel C EQ - Hi */
456  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(31), buf, 1);
457  /* FX1 - wet/dry */
458  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(32), buf, 2);
459  /* FX1 - 1 */
460  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(33), buf, 3);
461  /* FX1 - 2 */
462  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(34), buf, 4);
463  /* FX1 - 3 */
464  snd_caiaq_input_report_abs(dev, KONTROLS4_ABS(35), buf, 5);
465 
466  break;
467 
468  default:
469  debug("%s(): bogus block (id %d)\n",
470  __func__, block_id);
471  return;
472  }
473 
474  len -= TKS4_MSGBLOCK_SIZE;
475  buf += TKS4_MSGBLOCK_SIZE;
476  }
477 
478  input_sync(dev->input_dev);
479 }
480 
481 #define MASCHINE_MSGBLOCK_SIZE 2
482 
483 static void snd_usb_caiaq_maschine_dispatch(struct snd_usb_caiaqdev *dev,
484  const unsigned char *buf,
485  unsigned int len)
486 {
487  unsigned int i, pad_id;
488  uint16_t pressure;
489 
490  for (i = 0; i < MASCHINE_PADS; i++) {
491  pressure = be16_to_cpu(buf[i * 2] << 8 | buf[(i * 2) + 1]);
492  pad_id = pressure >> 12;
493 
494  input_report_abs(dev->input_dev, MASCHINE_PAD(pad_id), pressure & 0xfff);
495  }
496 
497  input_sync(dev->input_dev);
498 }
499 
500 static void snd_usb_caiaq_ep4_reply_dispatch(struct urb *urb)
501 {
502  struct snd_usb_caiaqdev *dev = urb->context;
503  unsigned char *buf = urb->transfer_buffer;
504  int ret;
505 
506  if (urb->status || !dev || urb != dev->ep4_in_urb)
507  return;
508 
509  switch (dev->chip.usb_id) {
510  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
511  if (urb->actual_length < 24)
512  goto requeue;
513 
514  if (buf[0] & 0x3)
515  snd_caiaq_input_read_io(dev, buf + 1, 7);
516 
517  if (buf[0] & 0x4)
518  snd_caiaq_input_read_analog(dev, buf + 8, 16);
519 
520  break;
521 
522  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
523  snd_usb_caiaq_tks4_dispatch(dev, buf, urb->actual_length);
524  break;
525 
526  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
527  if (urb->actual_length < (MASCHINE_PADS * MASCHINE_MSGBLOCK_SIZE))
528  goto requeue;
529 
530  snd_usb_caiaq_maschine_dispatch(dev, buf, urb->actual_length);
531  break;
532  }
533 
534 requeue:
535  dev->ep4_in_urb->actual_length = 0;
536  ret = usb_submit_urb(dev->ep4_in_urb, GFP_ATOMIC);
537  if (ret < 0)
538  log("unable to submit urb. OOM!?\n");
539 }
540 
541 static int snd_usb_caiaq_input_open(struct input_dev *idev)
542 {
543  struct snd_usb_caiaqdev *dev = input_get_drvdata(idev);
544 
545  if (!dev)
546  return -EINVAL;
547 
548  switch (dev->chip.usb_id) {
549  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
550  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
551  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
552  if (usb_submit_urb(dev->ep4_in_urb, GFP_KERNEL) != 0)
553  return -EIO;
554  break;
555  }
556 
557  return 0;
558 }
559 
560 static void snd_usb_caiaq_input_close(struct input_dev *idev)
561 {
562  struct snd_usb_caiaqdev *dev = input_get_drvdata(idev);
563 
564  if (!dev)
565  return;
566 
567  switch (dev->chip.usb_id) {
568  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
569  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
570  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
571  usb_kill_urb(dev->ep4_in_urb);
572  break;
573  }
574 }
575 
576 void snd_usb_caiaq_input_dispatch(struct snd_usb_caiaqdev *dev,
577  char *buf,
578  unsigned int len)
579 {
580  if (!dev->input_dev || len < 1)
581  return;
582 
583  switch (buf[0]) {
584  case EP1_CMD_READ_ANALOG:
585  snd_caiaq_input_read_analog(dev, buf + 1, len - 1);
586  break;
587  case EP1_CMD_READ_ERP:
588  snd_caiaq_input_read_erp(dev, buf + 1, len - 1);
589  break;
590  case EP1_CMD_READ_IO:
591  snd_caiaq_input_read_io(dev, buf + 1, len - 1);
592  break;
593  }
594 }
595 
596 int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *dev)
597 {
598  struct usb_device *usb_dev = dev->chip.dev;
599  struct input_dev *input;
600  int i, ret = 0;
601 
602  input = input_allocate_device();
603  if (!input)
604  return -ENOMEM;
605 
606  usb_make_path(usb_dev, dev->phys, sizeof(dev->phys));
607  strlcat(dev->phys, "/input0", sizeof(dev->phys));
608 
609  input->name = dev->product_name;
610  input->phys = dev->phys;
611  usb_to_input_id(usb_dev, &input->id);
612  input->dev.parent = &usb_dev->dev;
613 
614  input_set_drvdata(input, dev);
615 
616  switch (dev->chip.usb_id) {
617  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
618  input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
619  input->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
620  BIT_MASK(ABS_Z);
621  BUILD_BUG_ON(sizeof(dev->keycode) < sizeof(keycode_rk2));
622  memcpy(dev->keycode, keycode_rk2, sizeof(keycode_rk2));
623  input->keycodemax = ARRAY_SIZE(keycode_rk2);
624  input_set_abs_params(input, ABS_X, 0, 4096, 0, 10);
625  input_set_abs_params(input, ABS_Y, 0, 4096, 0, 10);
626  input_set_abs_params(input, ABS_Z, 0, 4096, 0, 10);
627  snd_usb_caiaq_set_auto_msg(dev, 1, 10, 0);
628  break;
629  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
630  input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
631  input->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
632  BIT_MASK(ABS_Z);
633  BUILD_BUG_ON(sizeof(dev->keycode) < sizeof(keycode_rk3));
634  memcpy(dev->keycode, keycode_rk3, sizeof(keycode_rk3));
635  input->keycodemax = ARRAY_SIZE(keycode_rk3);
636  input_set_abs_params(input, ABS_X, 0, 1024, 0, 10);
637  input_set_abs_params(input, ABS_Y, 0, 1024, 0, 10);
638  input_set_abs_params(input, ABS_Z, 0, 1024, 0, 10);
639  snd_usb_caiaq_set_auto_msg(dev, 1, 10, 0);
640  break;
641  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
642  input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
643  input->absbit[0] = BIT_MASK(ABS_X);
644  BUILD_BUG_ON(sizeof(dev->keycode) < sizeof(keycode_ak1));
645  memcpy(dev->keycode, keycode_ak1, sizeof(keycode_ak1));
646  input->keycodemax = ARRAY_SIZE(keycode_ak1);
647  input_set_abs_params(input, ABS_X, 0, 999, 0, 10);
648  snd_usb_caiaq_set_auto_msg(dev, 1, 0, 5);
649  break;
650  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
651  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
652  input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
653  input->absbit[0] = BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |
654  BIT_MASK(ABS_HAT1X) | BIT_MASK(ABS_HAT1Y) |
655  BIT_MASK(ABS_HAT2X) | BIT_MASK(ABS_HAT2Y) |
656  BIT_MASK(ABS_HAT3X) | BIT_MASK(ABS_HAT3Y) |
657  BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
658  BIT_MASK(ABS_Z);
659  input->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC);
660  BUILD_BUG_ON(sizeof(dev->keycode) < sizeof(keycode_kore));
661  memcpy(dev->keycode, keycode_kore, sizeof(keycode_kore));
662  input->keycodemax = ARRAY_SIZE(keycode_kore);
663  input_set_abs_params(input, ABS_HAT0X, 0, 999, 0, 10);
664  input_set_abs_params(input, ABS_HAT0Y, 0, 999, 0, 10);
665  input_set_abs_params(input, ABS_HAT1X, 0, 999, 0, 10);
666  input_set_abs_params(input, ABS_HAT1Y, 0, 999, 0, 10);
667  input_set_abs_params(input, ABS_HAT2X, 0, 999, 0, 10);
668  input_set_abs_params(input, ABS_HAT2Y, 0, 999, 0, 10);
669  input_set_abs_params(input, ABS_HAT3X, 0, 999, 0, 10);
670  input_set_abs_params(input, ABS_HAT3Y, 0, 999, 0, 10);
671  input_set_abs_params(input, ABS_X, 0, 4096, 0, 10);
672  input_set_abs_params(input, ABS_Y, 0, 4096, 0, 10);
673  input_set_abs_params(input, ABS_Z, 0, 4096, 0, 10);
674  input_set_abs_params(input, ABS_MISC, 0, 255, 0, 1);
675  snd_usb_caiaq_set_auto_msg(dev, 1, 10, 5);
676  break;
677  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
678  input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
679  input->absbit[0] = BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |
680  BIT_MASK(ABS_HAT1X) | BIT_MASK(ABS_HAT1Y) |
681  BIT_MASK(ABS_HAT2X) | BIT_MASK(ABS_HAT2Y) |
682  BIT_MASK(ABS_HAT3X) | BIT_MASK(ABS_HAT3Y) |
683  BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
684  BIT_MASK(ABS_Z);
685  input->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC);
686  BUILD_BUG_ON(sizeof(dev->keycode) < KONTROLX1_INPUTS);
687  for (i = 0; i < KONTROLX1_INPUTS; i++)
688  dev->keycode[i] = BTN_MISC + i;
689  input->keycodemax = KONTROLX1_INPUTS;
690 
691  /* analog potentiometers */
692  input_set_abs_params(input, ABS_HAT0X, 0, 4096, 0, 10);
693  input_set_abs_params(input, ABS_HAT0Y, 0, 4096, 0, 10);
694  input_set_abs_params(input, ABS_HAT1X, 0, 4096, 0, 10);
695  input_set_abs_params(input, ABS_HAT1Y, 0, 4096, 0, 10);
696  input_set_abs_params(input, ABS_HAT2X, 0, 4096, 0, 10);
697  input_set_abs_params(input, ABS_HAT2Y, 0, 4096, 0, 10);
698  input_set_abs_params(input, ABS_HAT3X, 0, 4096, 0, 10);
699  input_set_abs_params(input, ABS_HAT3Y, 0, 4096, 0, 10);
700 
701  /* rotary encoders */
702  input_set_abs_params(input, ABS_X, 0, 0xf, 0, 1);
703  input_set_abs_params(input, ABS_Y, 0, 0xf, 0, 1);
704  input_set_abs_params(input, ABS_Z, 0, 0xf, 0, 1);
705  input_set_abs_params(input, ABS_MISC, 0, 0xf, 0, 1);
706 
707  dev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
708  if (!dev->ep4_in_urb) {
709  ret = -ENOMEM;
710  goto exit_free_idev;
711  }
712 
713  usb_fill_bulk_urb(dev->ep4_in_urb, usb_dev,
714  usb_rcvbulkpipe(usb_dev, 0x4),
715  dev->ep4_in_buf, EP4_BUFSIZE,
716  snd_usb_caiaq_ep4_reply_dispatch, dev);
717 
718  snd_usb_caiaq_set_auto_msg(dev, 1, 10, 5);
719 
720  break;
721 
722  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLS4):
723  input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
724  BUILD_BUG_ON(sizeof(dev->keycode) < KONTROLS4_BUTTONS);
725  for (i = 0; i < KONTROLS4_BUTTONS; i++)
726  dev->keycode[i] = KONTROLS4_BUTTON(i);
727  input->keycodemax = KONTROLS4_BUTTONS;
728 
729  for (i = 0; i < KONTROLS4_AXIS; i++) {
730  int axis = KONTROLS4_ABS(i);
731  input->absbit[BIT_WORD(axis)] |= BIT_MASK(axis);
732  }
733 
734  /* 36 analog potentiometers and faders */
735  for (i = 0; i < 36; i++)
736  input_set_abs_params(input, KONTROLS4_ABS(i), 0, 0xfff, 0, 10);
737 
738  /* 2 encoder wheels */
739  input_set_abs_params(input, KONTROLS4_ABS(36), 0, 0x3ff, 0, 1);
740  input_set_abs_params(input, KONTROLS4_ABS(37), 0, 0x3ff, 0, 1);
741 
742  /* 9 rotary encoders */
743  for (i = 0; i < 9; i++)
744  input_set_abs_params(input, KONTROLS4_ABS(38+i), 0, 0xf, 0, 1);
745 
746  dev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
747  if (!dev->ep4_in_urb) {
748  ret = -ENOMEM;
749  goto exit_free_idev;
750  }
751 
752  usb_fill_bulk_urb(dev->ep4_in_urb, usb_dev,
753  usb_rcvbulkpipe(usb_dev, 0x4),
754  dev->ep4_in_buf, EP4_BUFSIZE,
755  snd_usb_caiaq_ep4_reply_dispatch, dev);
756 
757  snd_usb_caiaq_set_auto_msg(dev, 1, 10, 5);
758 
759  break;
760 
761  case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
762  input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
763  input->absbit[0] = BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |
764  BIT_MASK(ABS_HAT1X) | BIT_MASK(ABS_HAT1Y) |
765  BIT_MASK(ABS_HAT2X) | BIT_MASK(ABS_HAT2Y) |
766  BIT_MASK(ABS_HAT3X) | BIT_MASK(ABS_HAT3Y) |
767  BIT_MASK(ABS_RX) | BIT_MASK(ABS_RY) |
768  BIT_MASK(ABS_RZ);
769 
770  BUILD_BUG_ON(sizeof(dev->keycode) < sizeof(keycode_maschine));
771  memcpy(dev->keycode, keycode_maschine, sizeof(keycode_maschine));
772  input->keycodemax = ARRAY_SIZE(keycode_maschine);
773 
774  for (i = 0; i < MASCHINE_PADS; i++) {
775  input->absbit[0] |= MASCHINE_PAD(i);
776  input_set_abs_params(input, MASCHINE_PAD(i), 0, 0xfff, 5, 10);
777  }
778 
779  input_set_abs_params(input, ABS_HAT0X, 0, 999, 0, 10);
780  input_set_abs_params(input, ABS_HAT0Y, 0, 999, 0, 10);
781  input_set_abs_params(input, ABS_HAT1X, 0, 999, 0, 10);
782  input_set_abs_params(input, ABS_HAT1Y, 0, 999, 0, 10);
783  input_set_abs_params(input, ABS_HAT2X, 0, 999, 0, 10);
784  input_set_abs_params(input, ABS_HAT2Y, 0, 999, 0, 10);
785  input_set_abs_params(input, ABS_HAT3X, 0, 999, 0, 10);
786  input_set_abs_params(input, ABS_HAT3Y, 0, 999, 0, 10);
787  input_set_abs_params(input, ABS_RX, 0, 999, 0, 10);
788  input_set_abs_params(input, ABS_RY, 0, 999, 0, 10);
789  input_set_abs_params(input, ABS_RZ, 0, 999, 0, 10);
790 
791  dev->ep4_in_urb = usb_alloc_urb(0, GFP_KERNEL);
792  if (!dev->ep4_in_urb) {
793  ret = -ENOMEM;
794  goto exit_free_idev;
795  }
796 
797  usb_fill_bulk_urb(dev->ep4_in_urb, usb_dev,
798  usb_rcvbulkpipe(usb_dev, 0x4),
799  dev->ep4_in_buf, EP4_BUFSIZE,
800  snd_usb_caiaq_ep4_reply_dispatch, dev);
801 
802  snd_usb_caiaq_set_auto_msg(dev, 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 = dev->keycode;
813  input->keycodesize = sizeof(unsigned short);
814  for (i = 0; i < input->keycodemax; i++)
815  __set_bit(dev->keycode[i], input->keybit);
816 
817  dev->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  dev->input_dev = NULL;
828  return ret;
829 }
830 
831 void snd_usb_caiaq_input_free(struct snd_usb_caiaqdev *dev)
832 {
833  if (!dev || !dev->input_dev)
834  return;
835 
836  usb_kill_urb(dev->ep4_in_urb);
837  usb_free_urb(dev->ep4_in_urb);
838  dev->ep4_in_urb = NULL;
839 
840  input_unregister_device(dev->input_dev);
841  dev->input_dev = NULL;
842 }
Generated on Thu Jan 10 2013 13:38:57 for Linux Kernel by   doxygen 1.8.2