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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * caiaq.c: ALSA driver for caiaq/NativeInstruments devices
4 *
5 * Copyright (c) 2007 Daniel Mack <daniel@caiaq.de>
6 * Karsten Wiese <fzu@wemgehoertderstaat.de>
7*/
8
9#include <linux/moduleparam.h>
10#include <linux/device.h>
11#include <linux/interrupt.h>
12#include <linux/module.h>
13#include <linux/init.h>
14#include <linux/gfp.h>
15#include <linux/usb.h>
16#include <sound/initval.h>
17#include <sound/core.h>
18#include <sound/pcm.h>
19
20#include "device.h"
21#include "audio.h"
22#include "midi.h"
23#include "control.h"
24#include "input.h"
25
26MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>");
27MODULE_DESCRIPTION("caiaq USB audio");
28MODULE_LICENSE("GPL");
29
30static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */
31static char* id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */
32static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
33
34module_param_array(index, int, NULL, 0444);
35MODULE_PARM_DESC(index, "Index value for the caiaq sound device");
36module_param_array(id, charp, NULL, 0444);
37MODULE_PARM_DESC(id, "ID string for the caiaq soundcard.");
38module_param_array(enable, bool, NULL, 0444);
39MODULE_PARM_DESC(enable, "Enable the caiaq soundcard.");
40
41enum {
42 SAMPLERATE_44100 = 0,
43 SAMPLERATE_48000 = 1,
44 SAMPLERATE_96000 = 2,
45 SAMPLERATE_192000 = 3,
46 SAMPLERATE_88200 = 4,
47 SAMPLERATE_INVALID = 0xff
48};
49
50enum {
51 DEPTH_NONE = 0,
52 DEPTH_16 = 1,
53 DEPTH_24 = 2,
54 DEPTH_32 = 3
55};
56
57static const struct usb_device_id snd_usb_id_table[] = {
58 {
59 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
60 .idVendor = USB_VID_NATIVEINSTRUMENTS,
61 .idProduct = USB_PID_RIGKONTROL2
62 },
63 {
64 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
65 .idVendor = USB_VID_NATIVEINSTRUMENTS,
66 .idProduct = USB_PID_RIGKONTROL3
67 },
68 {
69 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
70 .idVendor = USB_VID_NATIVEINSTRUMENTS,
71 .idProduct = USB_PID_KORECONTROLLER
72 },
73 {
74 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
75 .idVendor = USB_VID_NATIVEINSTRUMENTS,
76 .idProduct = USB_PID_KORECONTROLLER2
77 },
78 {
79 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
80 .idVendor = USB_VID_NATIVEINSTRUMENTS,
81 .idProduct = USB_PID_AK1
82 },
83 {
84 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
85 .idVendor = USB_VID_NATIVEINSTRUMENTS,
86 .idProduct = USB_PID_AUDIO8DJ
87 },
88 {
89 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
90 .idVendor = USB_VID_NATIVEINSTRUMENTS,
91 .idProduct = USB_PID_SESSIONIO
92 },
93 {
94 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
95 .idVendor = USB_VID_NATIVEINSTRUMENTS,
96 .idProduct = USB_PID_GUITARRIGMOBILE
97 },
98 {
99 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
100 .idVendor = USB_VID_NATIVEINSTRUMENTS,
101 .idProduct = USB_PID_AUDIO4DJ
102 },
103 {
104 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
105 .idVendor = USB_VID_NATIVEINSTRUMENTS,
106 .idProduct = USB_PID_AUDIO2DJ
107 },
108 {
109 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
110 .idVendor = USB_VID_NATIVEINSTRUMENTS,
111 .idProduct = USB_PID_TRAKTORKONTROLX1
112 },
113 {
114 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
115 .idVendor = USB_VID_NATIVEINSTRUMENTS,
116 .idProduct = USB_PID_TRAKTORKONTROLS4
117 },
118 {
119 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
120 .idVendor = USB_VID_NATIVEINSTRUMENTS,
121 .idProduct = USB_PID_TRAKTORAUDIO2
122 },
123 {
124 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
125 .idVendor = USB_VID_NATIVEINSTRUMENTS,
126 .idProduct = USB_PID_MASCHINECONTROLLER
127 },
128 { /* terminator */ }
129};
130
131static void usb_ep1_command_reply_dispatch (struct urb* urb)
132{
133 int ret;
134 struct device *dev = &urb->dev->dev;
135 struct snd_usb_caiaqdev *cdev = urb->context;
136 unsigned char *buf = urb->transfer_buffer;
137
138 if (urb->status || !cdev) {
139 dev_warn(dev, "received EP1 urb->status = %i\n", urb->status);
140 return;
141 }
142
143 switch(buf[0]) {
144 case EP1_CMD_GET_DEVICE_INFO:
145 memcpy(&cdev->spec, buf+1, sizeof(struct caiaq_device_spec));
146 cdev->spec.fw_version = le16_to_cpu(cdev->spec.fw_version);
147 dev_dbg(dev, "device spec (firmware %d): audio: %d in, %d out, "
148 "MIDI: %d in, %d out, data alignment %d\n",
149 cdev->spec.fw_version,
150 cdev->spec.num_analog_audio_in,
151 cdev->spec.num_analog_audio_out,
152 cdev->spec.num_midi_in,
153 cdev->spec.num_midi_out,
154 cdev->spec.data_alignment);
155
156 cdev->spec_received++;
157 wake_up(&cdev->ep1_wait_queue);
158 break;
159 case EP1_CMD_AUDIO_PARAMS:
160 cdev->audio_parm_answer = buf[1];
161 wake_up(&cdev->ep1_wait_queue);
162 break;
163 case EP1_CMD_MIDI_READ:
164 snd_usb_caiaq_midi_handle_input(cdev, buf[1], buf + 3, buf[2]);
165 break;
166 case EP1_CMD_READ_IO:
167 if (cdev->chip.usb_id ==
168 USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ)) {
169 if (urb->actual_length > sizeof(cdev->control_state))
170 urb->actual_length = sizeof(cdev->control_state);
171 memcpy(cdev->control_state, buf + 1, urb->actual_length);
172 wake_up(&cdev->ep1_wait_queue);
173 break;
174 }
175#ifdef CONFIG_SND_USB_CAIAQ_INPUT
176 fallthrough;
177 case EP1_CMD_READ_ERP:
178 case EP1_CMD_READ_ANALOG:
179 snd_usb_caiaq_input_dispatch(cdev, buf, urb->actual_length);
180#endif
181 break;
182 }
183
184 cdev->ep1_in_urb.actual_length = 0;
185 ret = usb_submit_urb(&cdev->ep1_in_urb, GFP_ATOMIC);
186 if (ret < 0)
187 dev_err(dev, "unable to submit urb. OOM!?\n");
188}
189
190int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *cdev,
191 unsigned char command,
192 const unsigned char *buffer,
193 int len)
194{
195 int actual_len;
196 struct usb_device *usb_dev = cdev->chip.dev;
197
198 if (!usb_dev)
199 return -EIO;
200
201 if (len > EP1_BUFSIZE - 1)
202 len = EP1_BUFSIZE - 1;
203
204 if (buffer && len > 0)
205 memcpy(cdev->ep1_out_buf+1, buffer, len);
206
207 cdev->ep1_out_buf[0] = command;
208 return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1),
209 cdev->ep1_out_buf, len+1, &actual_len, 200);
210}
211
212int snd_usb_caiaq_send_command_bank(struct snd_usb_caiaqdev *cdev,
213 unsigned char command,
214 unsigned char bank,
215 const unsigned char *buffer,
216 int len)
217{
218 int actual_len;
219 struct usb_device *usb_dev = cdev->chip.dev;
220
221 if (!usb_dev)
222 return -EIO;
223
224 if (len > EP1_BUFSIZE - 2)
225 len = EP1_BUFSIZE - 2;
226
227 if (buffer && len > 0)
228 memcpy(cdev->ep1_out_buf+2, buffer, len);
229
230 cdev->ep1_out_buf[0] = command;
231 cdev->ep1_out_buf[1] = bank;
232
233 return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1),
234 cdev->ep1_out_buf, len+2, &actual_len, 200);
235}
236
237int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *cdev,
238 int rate, int depth, int bpp)
239{
240 int ret;
241 char tmp[5];
242 struct device *dev = caiaqdev_to_dev(cdev);
243
244 switch (rate) {
245 case 44100: tmp[0] = SAMPLERATE_44100; break;
246 case 48000: tmp[0] = SAMPLERATE_48000; break;
247 case 88200: tmp[0] = SAMPLERATE_88200; break;
248 case 96000: tmp[0] = SAMPLERATE_96000; break;
249 case 192000: tmp[0] = SAMPLERATE_192000; break;
250 default: return -EINVAL;
251 }
252
253 switch (depth) {
254 case 16: tmp[1] = DEPTH_16; break;
255 case 24: tmp[1] = DEPTH_24; break;
256 default: return -EINVAL;
257 }
258
259 tmp[2] = bpp & 0xff;
260 tmp[3] = bpp >> 8;
261 tmp[4] = 1; /* packets per microframe */
262
263 dev_dbg(dev, "setting audio params: %d Hz, %d bits, %d bpp\n",
264 rate, depth, bpp);
265
266 cdev->audio_parm_answer = -1;
267 ret = snd_usb_caiaq_send_command(cdev, EP1_CMD_AUDIO_PARAMS,
268 tmp, sizeof(tmp));
269
270 if (ret)
271 return ret;
272
273 if (!wait_event_timeout(cdev->ep1_wait_queue,
274 cdev->audio_parm_answer >= 0, HZ))
275 return -EPIPE;
276
277 if (cdev->audio_parm_answer != 1)
278 dev_dbg(dev, "unable to set the device's audio params\n");
279 else
280 cdev->bpp = bpp;
281
282 return cdev->audio_parm_answer == 1 ? 0 : -EINVAL;
283}
284
285int snd_usb_caiaq_set_auto_msg(struct snd_usb_caiaqdev *cdev,
286 int digital, int analog, int erp)
287{
288 char tmp[3] = { digital, analog, erp };
289 return snd_usb_caiaq_send_command(cdev, EP1_CMD_AUTO_MSG,
290 tmp, sizeof(tmp));
291}
292
293static void setup_card(struct snd_usb_caiaqdev *cdev)
294{
295 int ret;
296 char val[4];
297 struct device *dev = caiaqdev_to_dev(cdev);
298
299 /* device-specific startup specials */
300 switch (cdev->chip.usb_id) {
301 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
302 /* RigKontrol2 - display centered dash ('-') */
303 val[0] = 0x00;
304 val[1] = 0x00;
305 val[2] = 0x01;
306 snd_usb_caiaq_send_command(cdev, EP1_CMD_WRITE_IO, val, 3);
307 break;
308 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
309 /* RigKontrol2 - display two centered dashes ('--') */
310 val[0] = 0x00;
311 val[1] = 0x40;
312 val[2] = 0x40;
313 val[3] = 0x00;
314 snd_usb_caiaq_send_command(cdev, EP1_CMD_WRITE_IO, val, 4);
315 break;
316 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
317 /* Audio Kontrol 1 - make USB-LED stop blinking */
318 val[0] = 0x00;
319 snd_usb_caiaq_send_command(cdev, EP1_CMD_WRITE_IO, val, 1);
320 break;
321 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
322 /* Audio 8 DJ - trigger read of current settings */
323 cdev->control_state[0] = 0xff;
324 snd_usb_caiaq_set_auto_msg(cdev, 1, 0, 0);
325 snd_usb_caiaq_send_command(cdev, EP1_CMD_READ_IO, NULL, 0);
326
327 if (!wait_event_timeout(cdev->ep1_wait_queue,
328 cdev->control_state[0] != 0xff, HZ))
329 return;
330
331 /* fix up some defaults */
332 if ((cdev->control_state[1] != 2) ||
333 (cdev->control_state[2] != 3) ||
334 (cdev->control_state[4] != 2)) {
335 cdev->control_state[1] = 2;
336 cdev->control_state[2] = 3;
337 cdev->control_state[4] = 2;
338 snd_usb_caiaq_send_command(cdev,
339 EP1_CMD_WRITE_IO, cdev->control_state, 6);
340 }
341
342 break;
343 }
344
345 if (cdev->spec.num_analog_audio_out +
346 cdev->spec.num_analog_audio_in +
347 cdev->spec.num_digital_audio_out +
348 cdev->spec.num_digital_audio_in > 0) {
349 ret = snd_usb_caiaq_audio_init(cdev);
350 if (ret < 0)
351 dev_err(dev, "Unable to set up audio system (ret=%d)\n", ret);
352 }
353
354 if (cdev->spec.num_midi_in +
355 cdev->spec.num_midi_out > 0) {
356 ret = snd_usb_caiaq_midi_init(cdev);
357 if (ret < 0)
358 dev_err(dev, "Unable to set up MIDI system (ret=%d)\n", ret);
359 }
360
361#ifdef CONFIG_SND_USB_CAIAQ_INPUT
362 ret = snd_usb_caiaq_input_init(cdev);
363 if (ret < 0)
364 dev_err(dev, "Unable to set up input system (ret=%d)\n", ret);
365#endif
366
367 /* finally, register the card and all its sub-instances */
368 ret = snd_card_register(cdev->chip.card);
369 if (ret < 0) {
370 dev_err(dev, "snd_card_register() returned %d\n", ret);
371 snd_card_free(cdev->chip.card);
372 }
373
374 ret = snd_usb_caiaq_control_init(cdev);
375 if (ret < 0)
376 dev_err(dev, "Unable to set up control system (ret=%d)\n", ret);
377}
378
379static int create_card(struct usb_device *usb_dev,
380 struct usb_interface *intf,
381 struct snd_card **cardp)
382{
383 int devnum;
384 int err;
385 struct snd_card *card;
386 struct snd_usb_caiaqdev *cdev;
387
388 for (devnum = 0; devnum < SNDRV_CARDS; devnum++)
389 if (enable[devnum])
390 break;
391
392 if (devnum >= SNDRV_CARDS)
393 return -ENODEV;
394
395 err = snd_card_new(&intf->dev,
396 index[devnum], id[devnum], THIS_MODULE,
397 sizeof(struct snd_usb_caiaqdev), &card);
398 if (err < 0)
399 return err;
400
401 cdev = caiaqdev(card);
402 cdev->chip.dev = usb_dev;
403 cdev->chip.card = card;
404 cdev->chip.usb_id = USB_ID(le16_to_cpu(usb_dev->descriptor.idVendor),
405 le16_to_cpu(usb_dev->descriptor.idProduct));
406 spin_lock_init(&cdev->spinlock);
407
408 *cardp = card;
409 return 0;
410}
411
412static int init_card(struct snd_usb_caiaqdev *cdev)
413{
414 char *c, usbpath[32];
415 struct usb_device *usb_dev = cdev->chip.dev;
416 struct snd_card *card = cdev->chip.card;
417 struct device *dev = caiaqdev_to_dev(cdev);
418 int err, len;
419
420 if (usb_set_interface(usb_dev, 0, 1) != 0) {
421 dev_err(dev, "can't set alt interface.\n");
422 return -EIO;
423 }
424
425 usb_init_urb(&cdev->ep1_in_urb);
426 usb_init_urb(&cdev->midi_out_urb);
427
428 usb_fill_bulk_urb(&cdev->ep1_in_urb, usb_dev,
429 usb_rcvbulkpipe(usb_dev, 0x1),
430 cdev->ep1_in_buf, EP1_BUFSIZE,
431 usb_ep1_command_reply_dispatch, cdev);
432
433 usb_fill_bulk_urb(&cdev->midi_out_urb, usb_dev,
434 usb_sndbulkpipe(usb_dev, 0x1),
435 cdev->midi_out_buf, EP1_BUFSIZE,
436 snd_usb_caiaq_midi_output_done, cdev);
437
438 /* sanity checks of EPs before actually submitting */
439 if (usb_urb_ep_type_check(&cdev->ep1_in_urb) ||
440 usb_urb_ep_type_check(&cdev->midi_out_urb)) {
441 dev_err(dev, "invalid EPs\n");
442 return -EINVAL;
443 }
444
445 init_waitqueue_head(&cdev->ep1_wait_queue);
446 init_waitqueue_head(&cdev->prepare_wait_queue);
447
448 if (usb_submit_urb(&cdev->ep1_in_urb, GFP_KERNEL) != 0)
449 return -EIO;
450
451 err = snd_usb_caiaq_send_command(cdev, EP1_CMD_GET_DEVICE_INFO, NULL, 0);
452 if (err)
453 goto err_kill_urb;
454
455 if (!wait_event_timeout(cdev->ep1_wait_queue, cdev->spec_received, HZ)) {
456 err = -ENODEV;
457 goto err_kill_urb;
458 }
459
460 usb_string(usb_dev, usb_dev->descriptor.iManufacturer,
461 cdev->vendor_name, CAIAQ_USB_STR_LEN);
462
463 usb_string(usb_dev, usb_dev->descriptor.iProduct,
464 cdev->product_name, CAIAQ_USB_STR_LEN);
465
466 strscpy(card->driver, MODNAME, sizeof(card->driver));
467 strscpy(card->shortname, cdev->product_name, sizeof(card->shortname));
468 strscpy(card->mixername, cdev->product_name, sizeof(card->mixername));
469
470 /* if the id was not passed as module option, fill it with a shortened
471 * version of the product string which does not contain any
472 * whitespaces */
473
474 if (*card->id == '\0') {
475 char id[sizeof(card->id)];
476
477 memset(id, 0, sizeof(id));
478
479 for (c = card->shortname, len = 0;
480 *c && len < sizeof(card->id); c++)
481 if (*c != ' ')
482 id[len++] = *c;
483
484 snd_card_set_id(card, id);
485 }
486
487 usb_make_path(usb_dev, usbpath, sizeof(usbpath));
488 snprintf(card->longname, sizeof(card->longname), "%s %s (%s)",
489 cdev->vendor_name, cdev->product_name, usbpath);
490
491 setup_card(cdev);
492 return 0;
493
494 err_kill_urb:
495 usb_kill_urb(&cdev->ep1_in_urb);
496 return err;
497}
498
499static int snd_probe(struct usb_interface *intf,
500 const struct usb_device_id *id)
501{
502 int ret;
503 struct snd_card *card = NULL;
504 struct usb_device *usb_dev = interface_to_usbdev(intf);
505
506 ret = create_card(usb_dev, intf, &card);
507
508 if (ret < 0)
509 return ret;
510
511 usb_set_intfdata(intf, card);
512 ret = init_card(caiaqdev(card));
513 if (ret < 0) {
514 dev_err(&usb_dev->dev, "unable to init card! (ret=%d)\n", ret);
515 snd_card_free(card);
516 return ret;
517 }
518
519 return 0;
520}
521
522static void snd_disconnect(struct usb_interface *intf)
523{
524 struct snd_card *card = usb_get_intfdata(intf);
525 struct device *dev = intf->usb_dev;
526 struct snd_usb_caiaqdev *cdev;
527
528 if (!card)
529 return;
530
531 cdev = caiaqdev(card);
532 dev_dbg(dev, "%s(%p)\n", __func__, intf);
533
534 snd_card_disconnect(card);
535
536#ifdef CONFIG_SND_USB_CAIAQ_INPUT
537 snd_usb_caiaq_input_free(cdev);
538#endif
539 snd_usb_caiaq_audio_free(cdev);
540
541 usb_kill_urb(&cdev->ep1_in_urb);
542 usb_kill_urb(&cdev->midi_out_urb);
543
544 snd_card_free(card);
545 usb_reset_device(interface_to_usbdev(intf));
546}
547
548
549MODULE_DEVICE_TABLE(usb, snd_usb_id_table);
550static struct usb_driver snd_usb_driver = {
551 .name = MODNAME,
552 .probe = snd_probe,
553 .disconnect = snd_disconnect,
554 .id_table = snd_usb_id_table,
555};
556
557module_usb_driver(snd_usb_driver);
1/*
2 * caiaq.c: ALSA driver for caiaq/NativeInstruments devices
3 *
4 * Copyright (c) 2007 Daniel Mack <daniel@caiaq.de>
5 * Karsten Wiese <fzu@wemgehoertderstaat.de>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20*/
21
22#include <linux/moduleparam.h>
23#include <linux/interrupt.h>
24#include <linux/module.h>
25#include <linux/init.h>
26#include <linux/gfp.h>
27#include <linux/usb.h>
28#include <sound/initval.h>
29#include <sound/core.h>
30#include <sound/pcm.h>
31
32#include "device.h"
33#include "audio.h"
34#include "midi.h"
35#include "control.h"
36#include "input.h"
37
38MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>");
39MODULE_DESCRIPTION("caiaq USB audio");
40MODULE_LICENSE("GPL");
41MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2},"
42 "{Native Instruments, RigKontrol3},"
43 "{Native Instruments, Kore Controller},"
44 "{Native Instruments, Kore Controller 2},"
45 "{Native Instruments, Audio Kontrol 1},"
46 "{Native Instruments, Audio 2 DJ},"
47 "{Native Instruments, Audio 4 DJ},"
48 "{Native Instruments, Audio 8 DJ},"
49 "{Native Instruments, Traktor Audio 2},"
50 "{Native Instruments, Session I/O},"
51 "{Native Instruments, GuitarRig mobile}"
52 "{Native Instruments, Traktor Kontrol X1}"
53 "{Native Instruments, Traktor Kontrol S4}"
54 "{Native Instruments, Maschine Controller}");
55
56static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */
57static char* id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */
58static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
59static int snd_card_used[SNDRV_CARDS];
60
61module_param_array(index, int, NULL, 0444);
62MODULE_PARM_DESC(index, "Index value for the caiaq sound device");
63module_param_array(id, charp, NULL, 0444);
64MODULE_PARM_DESC(id, "ID string for the caiaq soundcard.");
65module_param_array(enable, bool, NULL, 0444);
66MODULE_PARM_DESC(enable, "Enable the caiaq soundcard.");
67
68enum {
69 SAMPLERATE_44100 = 0,
70 SAMPLERATE_48000 = 1,
71 SAMPLERATE_96000 = 2,
72 SAMPLERATE_192000 = 3,
73 SAMPLERATE_88200 = 4,
74 SAMPLERATE_INVALID = 0xff
75};
76
77enum {
78 DEPTH_NONE = 0,
79 DEPTH_16 = 1,
80 DEPTH_24 = 2,
81 DEPTH_32 = 3
82};
83
84static struct usb_device_id snd_usb_id_table[] = {
85 {
86 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
87 .idVendor = USB_VID_NATIVEINSTRUMENTS,
88 .idProduct = USB_PID_RIGKONTROL2
89 },
90 {
91 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
92 .idVendor = USB_VID_NATIVEINSTRUMENTS,
93 .idProduct = USB_PID_RIGKONTROL3
94 },
95 {
96 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
97 .idVendor = USB_VID_NATIVEINSTRUMENTS,
98 .idProduct = USB_PID_KORECONTROLLER
99 },
100 {
101 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
102 .idVendor = USB_VID_NATIVEINSTRUMENTS,
103 .idProduct = USB_PID_KORECONTROLLER2
104 },
105 {
106 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
107 .idVendor = USB_VID_NATIVEINSTRUMENTS,
108 .idProduct = USB_PID_AK1
109 },
110 {
111 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
112 .idVendor = USB_VID_NATIVEINSTRUMENTS,
113 .idProduct = USB_PID_AUDIO8DJ
114 },
115 {
116 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
117 .idVendor = USB_VID_NATIVEINSTRUMENTS,
118 .idProduct = USB_PID_SESSIONIO
119 },
120 {
121 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
122 .idVendor = USB_VID_NATIVEINSTRUMENTS,
123 .idProduct = USB_PID_GUITARRIGMOBILE
124 },
125 {
126 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
127 .idVendor = USB_VID_NATIVEINSTRUMENTS,
128 .idProduct = USB_PID_AUDIO4DJ
129 },
130 {
131 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
132 .idVendor = USB_VID_NATIVEINSTRUMENTS,
133 .idProduct = USB_PID_AUDIO2DJ
134 },
135 {
136 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
137 .idVendor = USB_VID_NATIVEINSTRUMENTS,
138 .idProduct = USB_PID_TRAKTORKONTROLX1
139 },
140 {
141 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
142 .idVendor = USB_VID_NATIVEINSTRUMENTS,
143 .idProduct = USB_PID_TRAKTORKONTROLS4
144 },
145 {
146 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
147 .idVendor = USB_VID_NATIVEINSTRUMENTS,
148 .idProduct = USB_PID_TRAKTORAUDIO2
149 },
150 {
151 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
152 .idVendor = USB_VID_NATIVEINSTRUMENTS,
153 .idProduct = USB_PID_MASCHINECONTROLLER
154 },
155 { /* terminator */ }
156};
157
158static void usb_ep1_command_reply_dispatch (struct urb* urb)
159{
160 int ret;
161 struct snd_usb_caiaqdev *dev = urb->context;
162 unsigned char *buf = urb->transfer_buffer;
163
164 if (urb->status || !dev) {
165 log("received EP1 urb->status = %i\n", urb->status);
166 return;
167 }
168
169 switch(buf[0]) {
170 case EP1_CMD_GET_DEVICE_INFO:
171 memcpy(&dev->spec, buf+1, sizeof(struct caiaq_device_spec));
172 dev->spec.fw_version = le16_to_cpu(dev->spec.fw_version);
173 debug("device spec (firmware %d): audio: %d in, %d out, "
174 "MIDI: %d in, %d out, data alignment %d\n",
175 dev->spec.fw_version,
176 dev->spec.num_analog_audio_in,
177 dev->spec.num_analog_audio_out,
178 dev->spec.num_midi_in,
179 dev->spec.num_midi_out,
180 dev->spec.data_alignment);
181
182 dev->spec_received++;
183 wake_up(&dev->ep1_wait_queue);
184 break;
185 case EP1_CMD_AUDIO_PARAMS:
186 dev->audio_parm_answer = buf[1];
187 wake_up(&dev->ep1_wait_queue);
188 break;
189 case EP1_CMD_MIDI_READ:
190 snd_usb_caiaq_midi_handle_input(dev, buf[1], buf + 3, buf[2]);
191 break;
192 case EP1_CMD_READ_IO:
193 if (dev->chip.usb_id ==
194 USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ)) {
195 if (urb->actual_length > sizeof(dev->control_state))
196 urb->actual_length = sizeof(dev->control_state);
197 memcpy(dev->control_state, buf + 1, urb->actual_length);
198 wake_up(&dev->ep1_wait_queue);
199 break;
200 }
201#ifdef CONFIG_SND_USB_CAIAQ_INPUT
202 case EP1_CMD_READ_ERP:
203 case EP1_CMD_READ_ANALOG:
204 snd_usb_caiaq_input_dispatch(dev, buf, urb->actual_length);
205#endif
206 break;
207 }
208
209 dev->ep1_in_urb.actual_length = 0;
210 ret = usb_submit_urb(&dev->ep1_in_urb, GFP_ATOMIC);
211 if (ret < 0)
212 log("unable to submit urb. OOM!?\n");
213}
214
215int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *dev,
216 unsigned char command,
217 const unsigned char *buffer,
218 int len)
219{
220 int actual_len;
221 struct usb_device *usb_dev = dev->chip.dev;
222
223 if (!usb_dev)
224 return -EIO;
225
226 if (len > EP1_BUFSIZE - 1)
227 len = EP1_BUFSIZE - 1;
228
229 if (buffer && len > 0)
230 memcpy(dev->ep1_out_buf+1, buffer, len);
231
232 dev->ep1_out_buf[0] = command;
233 return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1),
234 dev->ep1_out_buf, len+1, &actual_len, 200);
235}
236
237int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *dev,
238 int rate, int depth, int bpp)
239{
240 int ret;
241 char tmp[5];
242
243 switch (rate) {
244 case 44100: tmp[0] = SAMPLERATE_44100; break;
245 case 48000: tmp[0] = SAMPLERATE_48000; break;
246 case 88200: tmp[0] = SAMPLERATE_88200; break;
247 case 96000: tmp[0] = SAMPLERATE_96000; break;
248 case 192000: tmp[0] = SAMPLERATE_192000; break;
249 default: return -EINVAL;
250 }
251
252 switch (depth) {
253 case 16: tmp[1] = DEPTH_16; break;
254 case 24: tmp[1] = DEPTH_24; break;
255 default: return -EINVAL;
256 }
257
258 tmp[2] = bpp & 0xff;
259 tmp[3] = bpp >> 8;
260 tmp[4] = 1; /* packets per microframe */
261
262 debug("setting audio params: %d Hz, %d bits, %d bpp\n",
263 rate, depth, bpp);
264
265 dev->audio_parm_answer = -1;
266 ret = snd_usb_caiaq_send_command(dev, EP1_CMD_AUDIO_PARAMS,
267 tmp, sizeof(tmp));
268
269 if (ret)
270 return ret;
271
272 if (!wait_event_timeout(dev->ep1_wait_queue,
273 dev->audio_parm_answer >= 0, HZ))
274 return -EPIPE;
275
276 if (dev->audio_parm_answer != 1)
277 debug("unable to set the device's audio params\n");
278 else
279 dev->bpp = bpp;
280
281 return dev->audio_parm_answer == 1 ? 0 : -EINVAL;
282}
283
284int snd_usb_caiaq_set_auto_msg(struct snd_usb_caiaqdev *dev,
285 int digital, int analog, int erp)
286{
287 char tmp[3] = { digital, analog, erp };
288 return snd_usb_caiaq_send_command(dev, EP1_CMD_AUTO_MSG,
289 tmp, sizeof(tmp));
290}
291
292static void __devinit setup_card(struct snd_usb_caiaqdev *dev)
293{
294 int ret;
295 char val[4];
296
297 /* device-specific startup specials */
298 switch (dev->chip.usb_id) {
299 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
300 /* RigKontrol2 - display centered dash ('-') */
301 val[0] = 0x00;
302 val[1] = 0x00;
303 val[2] = 0x01;
304 snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, val, 3);
305 break;
306 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
307 /* RigKontrol2 - display two centered dashes ('--') */
308 val[0] = 0x00;
309 val[1] = 0x40;
310 val[2] = 0x40;
311 val[3] = 0x00;
312 snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, val, 4);
313 break;
314 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
315 /* Audio Kontrol 1 - make USB-LED stop blinking */
316 val[0] = 0x00;
317 snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, val, 1);
318 break;
319 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
320 /* Audio 8 DJ - trigger read of current settings */
321 dev->control_state[0] = 0xff;
322 snd_usb_caiaq_set_auto_msg(dev, 1, 0, 0);
323 snd_usb_caiaq_send_command(dev, EP1_CMD_READ_IO, NULL, 0);
324
325 if (!wait_event_timeout(dev->ep1_wait_queue,
326 dev->control_state[0] != 0xff, HZ))
327 return;
328
329 /* fix up some defaults */
330 if ((dev->control_state[1] != 2) ||
331 (dev->control_state[2] != 3) ||
332 (dev->control_state[4] != 2)) {
333 dev->control_state[1] = 2;
334 dev->control_state[2] = 3;
335 dev->control_state[4] = 2;
336 snd_usb_caiaq_send_command(dev,
337 EP1_CMD_WRITE_IO, dev->control_state, 6);
338 }
339
340 break;
341 }
342
343 if (dev->spec.num_analog_audio_out +
344 dev->spec.num_analog_audio_in +
345 dev->spec.num_digital_audio_out +
346 dev->spec.num_digital_audio_in > 0) {
347 ret = snd_usb_caiaq_audio_init(dev);
348 if (ret < 0)
349 log("Unable to set up audio system (ret=%d)\n", ret);
350 }
351
352 if (dev->spec.num_midi_in +
353 dev->spec.num_midi_out > 0) {
354 ret = snd_usb_caiaq_midi_init(dev);
355 if (ret < 0)
356 log("Unable to set up MIDI system (ret=%d)\n", ret);
357 }
358
359#ifdef CONFIG_SND_USB_CAIAQ_INPUT
360 ret = snd_usb_caiaq_input_init(dev);
361 if (ret < 0)
362 log("Unable to set up input system (ret=%d)\n", ret);
363#endif
364
365 /* finally, register the card and all its sub-instances */
366 ret = snd_card_register(dev->chip.card);
367 if (ret < 0) {
368 log("snd_card_register() returned %d\n", ret);
369 snd_card_free(dev->chip.card);
370 }
371
372 ret = snd_usb_caiaq_control_init(dev);
373 if (ret < 0)
374 log("Unable to set up control system (ret=%d)\n", ret);
375}
376
377static int create_card(struct usb_device *usb_dev,
378 struct usb_interface *intf,
379 struct snd_card **cardp)
380{
381 int devnum;
382 int err;
383 struct snd_card *card;
384 struct snd_usb_caiaqdev *dev;
385
386 for (devnum = 0; devnum < SNDRV_CARDS; devnum++)
387 if (enable[devnum] && !snd_card_used[devnum])
388 break;
389
390 if (devnum >= SNDRV_CARDS)
391 return -ENODEV;
392
393 err = snd_card_create(index[devnum], id[devnum], THIS_MODULE,
394 sizeof(struct snd_usb_caiaqdev), &card);
395 if (err < 0)
396 return err;
397
398 dev = caiaqdev(card);
399 dev->chip.dev = usb_dev;
400 dev->chip.card = card;
401 dev->chip.usb_id = USB_ID(le16_to_cpu(usb_dev->descriptor.idVendor),
402 le16_to_cpu(usb_dev->descriptor.idProduct));
403 spin_lock_init(&dev->spinlock);
404 snd_card_set_dev(card, &intf->dev);
405
406 *cardp = card;
407 return 0;
408}
409
410static int __devinit init_card(struct snd_usb_caiaqdev *dev)
411{
412 char *c, usbpath[32];
413 struct usb_device *usb_dev = dev->chip.dev;
414 struct snd_card *card = dev->chip.card;
415 int err, len;
416
417 if (usb_set_interface(usb_dev, 0, 1) != 0) {
418 log("can't set alt interface.\n");
419 return -EIO;
420 }
421
422 usb_init_urb(&dev->ep1_in_urb);
423 usb_init_urb(&dev->midi_out_urb);
424
425 usb_fill_bulk_urb(&dev->ep1_in_urb, usb_dev,
426 usb_rcvbulkpipe(usb_dev, 0x1),
427 dev->ep1_in_buf, EP1_BUFSIZE,
428 usb_ep1_command_reply_dispatch, dev);
429
430 usb_fill_bulk_urb(&dev->midi_out_urb, usb_dev,
431 usb_sndbulkpipe(usb_dev, 0x1),
432 dev->midi_out_buf, EP1_BUFSIZE,
433 snd_usb_caiaq_midi_output_done, dev);
434
435 init_waitqueue_head(&dev->ep1_wait_queue);
436 init_waitqueue_head(&dev->prepare_wait_queue);
437
438 if (usb_submit_urb(&dev->ep1_in_urb, GFP_KERNEL) != 0)
439 return -EIO;
440
441 err = snd_usb_caiaq_send_command(dev, EP1_CMD_GET_DEVICE_INFO, NULL, 0);
442 if (err)
443 return err;
444
445 if (!wait_event_timeout(dev->ep1_wait_queue, dev->spec_received, HZ))
446 return -ENODEV;
447
448 usb_string(usb_dev, usb_dev->descriptor.iManufacturer,
449 dev->vendor_name, CAIAQ_USB_STR_LEN);
450
451 usb_string(usb_dev, usb_dev->descriptor.iProduct,
452 dev->product_name, CAIAQ_USB_STR_LEN);
453
454 strlcpy(card->driver, MODNAME, sizeof(card->driver));
455 strlcpy(card->shortname, dev->product_name, sizeof(card->shortname));
456 strlcpy(card->mixername, dev->product_name, sizeof(card->mixername));
457
458 /* if the id was not passed as module option, fill it with a shortened
459 * version of the product string which does not contain any
460 * whitespaces */
461
462 if (*card->id == '\0') {
463 char id[sizeof(card->id)];
464
465 memset(id, 0, sizeof(id));
466
467 for (c = card->shortname, len = 0;
468 *c && len < sizeof(card->id); c++)
469 if (*c != ' ')
470 id[len++] = *c;
471
472 snd_card_set_id(card, id);
473 }
474
475 usb_make_path(usb_dev, usbpath, sizeof(usbpath));
476 snprintf(card->longname, sizeof(card->longname),
477 "%s %s (%s)",
478 dev->vendor_name, dev->product_name, usbpath);
479
480 setup_card(dev);
481 return 0;
482}
483
484static int __devinit snd_probe(struct usb_interface *intf,
485 const struct usb_device_id *id)
486{
487 int ret;
488 struct snd_card *card;
489 struct usb_device *device = interface_to_usbdev(intf);
490
491 ret = create_card(device, intf, &card);
492
493 if (ret < 0)
494 return ret;
495
496 usb_set_intfdata(intf, card);
497 ret = init_card(caiaqdev(card));
498 if (ret < 0) {
499 log("unable to init card! (ret=%d)\n", ret);
500 snd_card_free(card);
501 return ret;
502 }
503
504 return 0;
505}
506
507static void snd_disconnect(struct usb_interface *intf)
508{
509 struct snd_usb_caiaqdev *dev;
510 struct snd_card *card = usb_get_intfdata(intf);
511
512 debug("%s(%p)\n", __func__, intf);
513
514 if (!card)
515 return;
516
517 dev = caiaqdev(card);
518 snd_card_disconnect(card);
519
520#ifdef CONFIG_SND_USB_CAIAQ_INPUT
521 snd_usb_caiaq_input_free(dev);
522#endif
523 snd_usb_caiaq_audio_free(dev);
524
525 usb_kill_urb(&dev->ep1_in_urb);
526 usb_kill_urb(&dev->midi_out_urb);
527
528 snd_card_free(card);
529 usb_reset_device(interface_to_usbdev(intf));
530}
531
532
533MODULE_DEVICE_TABLE(usb, snd_usb_id_table);
534static struct usb_driver snd_usb_driver = {
535 .name = MODNAME,
536 .probe = snd_probe,
537 .disconnect = snd_disconnect,
538 .id_table = snd_usb_id_table,
539};
540
541module_usb_driver(snd_usb_driver);
542