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/usb.h>
27 #include <sound/initval.h>
28 #include <sound/core.h>
29 #include <sound/pcm.h>
30
31 #include "device.h"
32 #include "audio.h"
33 #include "midi.h"
34 #include "control.h"
35 #include "input.h"
36
37 MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>");
38 MODULE_DESCRIPTION("caiaq USB audio, version 1.3.19");
39 MODULE_LICENSE("GPL");
40 MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2},"
41 "{Native Instruments, RigKontrol3},"
42 "{Native Instruments, Kore Controller},"
43 "{Native Instruments, Kore Controller 2},"
44 "{Native Instruments, Audio Kontrol 1},"
45 "{Native Instruments, Audio 2 DJ},"
46 "{Native Instruments, Audio 4 DJ},"
47 "{Native Instruments, Audio 8 DJ},"
48 "{Native Instruments, Session I/O},"
49 "{Native Instruments, GuitarRig mobile}");
50
51 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */
52 static char* id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */
53 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
54 static int snd_card_used[SNDRV_CARDS];
55
56 module_param_array(index, int, NULL, 0444);
57 MODULE_PARM_DESC(index, "Index value for the caiaq sound device");
58 module_param_array(id, charp, NULL, 0444);
59 MODULE_PARM_DESC(id, "ID string for the caiaq soundcard.");
60 module_param_array(enable, bool, NULL, 0444);
61 MODULE_PARM_DESC(enable, "Enable the caiaq soundcard.");
62
63 enum {
64 SAMPLERATE_44100 = 0,
65 SAMPLERATE_48000 = 1,
66 SAMPLERATE_96000 = 2,
67 SAMPLERATE_192000 = 3,
68 SAMPLERATE_88200 = 4,
69 SAMPLERATE_INVALID = 0xff
70 };
71
72 enum {
73 DEPTH_NONE = 0,
74 DEPTH_16 = 1,
75 DEPTH_24 = 2,
76 DEPTH_32 = 3
77 };
78
79 static struct usb_device_id snd_usb_id_table[] = {
80 {
81 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
82 .idVendor = USB_VID_NATIVEINSTRUMENTS,
83 .idProduct = USB_PID_RIGKONTROL2
84 },
85 {
86 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
87 .idVendor = USB_VID_NATIVEINSTRUMENTS,
88 .idProduct = USB_PID_RIGKONTROL3
89 },
90 {
91 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
92 .idVendor = USB_VID_NATIVEINSTRUMENTS,
93 .idProduct = USB_PID_KORECONTROLLER
94 },
95 {
96 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
97 .idVendor = USB_VID_NATIVEINSTRUMENTS,
98 .idProduct = USB_PID_KORECONTROLLER2
99 },
100 {
101 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
102 .idVendor = USB_VID_NATIVEINSTRUMENTS,
103 .idProduct = USB_PID_AK1
104 },
105 {
106 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
107 .idVendor = USB_VID_NATIVEINSTRUMENTS,
108 .idProduct = USB_PID_AUDIO8DJ
109 },
110 {
111 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
112 .idVendor = USB_VID_NATIVEINSTRUMENTS,
113 .idProduct = USB_PID_SESSIONIO
114 },
115 {
116 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
117 .idVendor = USB_VID_NATIVEINSTRUMENTS,
118 .idProduct = USB_PID_GUITARRIGMOBILE
119 },
120 {
121 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
122 .idVendor = USB_VID_NATIVEINSTRUMENTS,
123 .idProduct = USB_PID_AUDIO4DJ
124 },
125 {
126 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
127 .idVendor = USB_VID_NATIVEINSTRUMENTS,
128 .idProduct = USB_PID_AUDIO2DJ
129 },
130 { /* terminator */ }
131 };
132
133 static void usb_ep1_command_reply_dispatch (struct urb* urb)
134 {
135 int ret;
136 struct snd_usb_caiaqdev *dev = urb->context;
137 unsigned char *buf = urb->transfer_buffer;
138
139 if (urb->status || !dev) {
140 log("received EP1 urb->status = %i\n", urb->status);
141 return;
142 }
143
144 switch(buf[0]) {
145 case EP1_CMD_GET_DEVICE_INFO:
146 memcpy(&dev->spec, buf+1, sizeof(struct caiaq_device_spec));
147 dev->spec.fw_version = le16_to_cpu(dev->spec.fw_version);
148 debug("device spec (firmware %d): audio: %d in, %d out, "
149 "MIDI: %d in, %d out, data alignment %d\n",
150 dev->spec.fw_version,
151 dev->spec.num_analog_audio_in,
152 dev->spec.num_analog_audio_out,
153 dev->spec.num_midi_in,
154 dev->spec.num_midi_out,
155 dev->spec.data_alignment);
156
157 dev->spec_received++;
158 wake_up(&dev->ep1_wait_queue);
159 break;
160 case EP1_CMD_AUDIO_PARAMS:
161 dev->audio_parm_answer = buf[1];
162 wake_up(&dev->ep1_wait_queue);
163 break;
164 case EP1_CMD_MIDI_READ:
165 snd_usb_caiaq_midi_handle_input(dev, buf[1], buf + 3, buf[2]);
166 break;
167 case EP1_CMD_READ_IO:
168 if (dev->chip.usb_id ==
169 USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ)) {
170 if (urb->actual_length > sizeof(dev->control_state))
171 urb->actual_length = sizeof(dev->control_state);
172 memcpy(dev->control_state, buf + 1, urb->actual_length);
173 wake_up(&dev->ep1_wait_queue);
174 break;
175 }
176 #ifdef CONFIG_SND_USB_CAIAQ_INPUT
177 case EP1_CMD_READ_ERP:
178 case EP1_CMD_READ_ANALOG:
179 snd_usb_caiaq_input_dispatch(dev, buf, urb->actual_length);
180 #endif
181 break;
182 }
183
184 dev->ep1_in_urb.actual_length = 0;
185 ret = usb_submit_urb(&dev->ep1_in_urb, GFP_ATOMIC);
186 if (ret < 0)
187 log("unable to submit urb. OOM!?\n");
188 }
189
190 int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *dev,
191 unsigned char command,
192 const unsigned char *buffer,
193 int len)
194 {
195 int actual_len;
196 struct usb_device *usb_dev = dev->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(dev->ep1_out_buf+1, buffer, len);
206
207 dev->ep1_out_buf[0] = command;
208 return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1),
209 dev->ep1_out_buf, len+1, &actual_len, 200);
210 }
211
212 int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *dev,
213 int rate, int depth, int bpp)
214 {
215 int ret;
216 char tmp[5];
217
218 switch (rate) {
219 case 44100: tmp[0] = SAMPLERATE_44100; break;
220 case 48000: tmp[0] = SAMPLERATE_48000; break;
221 case 88200: tmp[0] = SAMPLERATE_88200; break;
222 case 96000: tmp[0] = SAMPLERATE_96000; break;
223 case 192000: tmp[0] = SAMPLERATE_192000; break;
224 default: return -EINVAL;
225 }
226
227 switch (depth) {
228 case 16: tmp[1] = DEPTH_16; break;
229 case 24: tmp[1] = DEPTH_24; break;
230 default: return -EINVAL;
231 }
232
233 tmp[2] = bpp & 0xff;
234 tmp[3] = bpp >> 8;
235 tmp[4] = 1; /* packets per microframe */
236
237 debug("setting audio params: %d Hz, %d bits, %d bpp\n",
238 rate, depth, bpp);
239
240 dev->audio_parm_answer = -1;
241 ret = snd_usb_caiaq_send_command(dev, EP1_CMD_AUDIO_PARAMS,
242 tmp, sizeof(tmp));
243
244 if (ret)
245 return ret;
246
247 if (!wait_event_timeout(dev->ep1_wait_queue,
248 dev->audio_parm_answer >= 0, HZ))
249 return -EPIPE;
250
251 if (dev->audio_parm_answer != 1)
252 debug("unable to set the device's audio params\n");
253 else
254 dev->bpp = bpp;
255
256 return dev->audio_parm_answer == 1 ? 0 : -EINVAL;
257 }
258
259 int snd_usb_caiaq_set_auto_msg(struct snd_usb_caiaqdev *dev,
260 int digital, int analog, int erp)
261 {
262 char tmp[3] = { digital, analog, erp };
263 return snd_usb_caiaq_send_command(dev, EP1_CMD_AUTO_MSG,
264 tmp, sizeof(tmp));
265 }
266
267 static void __devinit setup_card(struct snd_usb_caiaqdev *dev)
268 {
269 int ret;
270 char val[4];
271
272 /* device-specific startup specials */
273 switch (dev->chip.usb_id) {
274 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
275 /* RigKontrol2 - display centered dash ('-') */
276 val[0] = 0x00;
277 val[1] = 0x00;
278 val[2] = 0x01;
279 snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, val, 3);
280 break;
281 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
282 /* RigKontrol2 - display two centered dashes ('--') */
283 val[0] = 0x00;
284 val[1] = 0x40;
285 val[2] = 0x40;
286 val[3] = 0x00;
287 snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, val, 4);
288 break;
289 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
290 /* Audio Kontrol 1 - make USB-LED stop blinking */
291 val[0] = 0x00;
292 snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO, val, 1);
293 break;
294 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
295 /* Audio 8 DJ - trigger read of current settings */
296 dev->control_state[0] = 0xff;
297 snd_usb_caiaq_set_auto_msg(dev, 1, 0, 0);
298 snd_usb_caiaq_send_command(dev, EP1_CMD_READ_IO, NULL, 0);
299
300 if (!wait_event_timeout(dev->ep1_wait_queue,
301 dev->control_state[0] != 0xff, HZ))
302 return;
303
304 /* fix up some defaults */
305 if ((dev->control_state[1] != 2) ||
306 (dev->control_state[2] != 3) ||
307 (dev->control_state[4] != 2)) {
308 dev->control_state[1] = 2;
309 dev->control_state[2] = 3;
310 dev->control_state[4] = 2;
311 snd_usb_caiaq_send_command(dev,
312 EP1_CMD_WRITE_IO, dev->control_state, 6);
313 }
314
315 break;
316 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ):
317 /* Audio 4 DJ - default input mode to phono */
318 dev->control_state[0] = 2;
319 snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO,
320 dev->control_state, 1);
321 break;
322 }
323
324 if (dev->spec.num_analog_audio_out +
325 dev->spec.num_analog_audio_in +
326 dev->spec.num_digital_audio_out +
327 dev->spec.num_digital_audio_in > 0) {
328 ret = snd_usb_caiaq_audio_init(dev);
329 if (ret < 0)
330 log("Unable to set up audio system (ret=%d)\n", ret);
331 }
332
333 if (dev->spec.num_midi_in +
334 dev->spec.num_midi_out > 0) {
335 ret = snd_usb_caiaq_midi_init(dev);
336 if (ret < 0)
337 log("Unable to set up MIDI system (ret=%d)\n", ret);
338 }
339
340 #ifdef CONFIG_SND_USB_CAIAQ_INPUT
341 ret = snd_usb_caiaq_input_init(dev);
342 if (ret < 0)
343 log("Unable to set up input system (ret=%d)\n", ret);
344 #endif
345
346 /* finally, register the card and all its sub-instances */
347 ret = snd_card_register(dev->chip.card);
348 if (ret < 0) {
349 log("snd_card_register() returned %d\n", ret);
350 snd_card_free(dev->chip.card);
351 }
352
353 ret = snd_usb_caiaq_control_init(dev);
354 if (ret < 0)
355 log("Unable to set up control system (ret=%d)\n", ret);
356 }
357
358 static int create_card(struct usb_device *usb_dev,
359 struct usb_interface *intf,
360 struct snd_card **cardp)
361 {
362 int devnum;
363 int err;
364 struct snd_card *card;
365 struct snd_usb_caiaqdev *dev;
366
367 for (devnum = 0; devnum < SNDRV_CARDS; devnum++)
368 if (enable[devnum] && !snd_card_used[devnum])
369 break;
370
371 if (devnum >= SNDRV_CARDS)
372 return -ENODEV;
373
374 err = snd_card_create(index[devnum], id[devnum], THIS_MODULE,
375 sizeof(struct snd_usb_caiaqdev), &card);
376 if (err < 0)
377 return err;
378
379 dev = caiaqdev(card);
380 dev->chip.dev = usb_dev;
381 dev->chip.card = card;
382 dev->chip.usb_id = USB_ID(le16_to_cpu(usb_dev->descriptor.idVendor),
383 le16_to_cpu(usb_dev->descriptor.idProduct));
384 spin_lock_init(&dev->spinlock);
385 snd_card_set_dev(card, &intf->dev);
386
387 *cardp = card;
388 return 0;
389 }
390
391 static int __devinit init_card(struct snd_usb_caiaqdev *dev)
392 {
393 char *c, usbpath[32];
394 struct usb_device *usb_dev = dev->chip.dev;
395 struct snd_card *card = dev->chip.card;
396 int err, len;
397
398 if (usb_set_interface(usb_dev, 0, 1) != 0) {
399 log("can't set alt interface.\n");
400 return -EIO;
401 }
402
403 usb_init_urb(&dev->ep1_in_urb);
404 usb_init_urb(&dev->midi_out_urb);
405
406 usb_fill_bulk_urb(&dev->ep1_in_urb, usb_dev,
407 usb_rcvbulkpipe(usb_dev, 0x1),
408 dev->ep1_in_buf, EP1_BUFSIZE,
409 usb_ep1_command_reply_dispatch, dev);
410
411 usb_fill_bulk_urb(&dev->midi_out_urb, usb_dev,
412 usb_sndbulkpipe(usb_dev, 0x1),
413 dev->midi_out_buf, EP1_BUFSIZE,
414 snd_usb_caiaq_midi_output_done, dev);
415
416 init_waitqueue_head(&dev->ep1_wait_queue);
417 init_waitqueue_head(&dev->prepare_wait_queue);
418
419 if (usb_submit_urb(&dev->ep1_in_urb, GFP_KERNEL) != 0)
420 return -EIO;
421
422 err = snd_usb_caiaq_send_command(dev, EP1_CMD_GET_DEVICE_INFO, NULL, 0);
423 if (err)
424 return err;
425
426 if (!wait_event_timeout(dev->ep1_wait_queue, dev->spec_received, HZ))
427 return -ENODEV;
428
429 usb_string(usb_dev, usb_dev->descriptor.iManufacturer,
430 dev->vendor_name, CAIAQ_USB_STR_LEN);
431
432 usb_string(usb_dev, usb_dev->descriptor.iProduct,
433 dev->product_name, CAIAQ_USB_STR_LEN);
434
435 strlcpy(card->driver, MODNAME, sizeof(card->driver));
436 strlcpy(card->shortname, dev->product_name, sizeof(card->shortname));
437 strlcpy(card->mixername, dev->product_name, sizeof(card->mixername));
438
439 /* if the id was not passed as module option, fill it with a shortened
440 * version of the product string which does not contain any
441 * whitespaces */
442
443 if (*card->id == '\0') {
444 char id[sizeof(card->id)];
445
446 memset(id, 0, sizeof(id));
447
448 for (c = card->shortname, len = 0;
449 *c && len < sizeof(card->id); c++)
450 if (*c != ' ')
451 id[len++] = *c;
452
453 snd_card_set_id(card, id);
454 }
455
456 usb_make_path(usb_dev, usbpath, sizeof(usbpath));
457 snprintf(card->longname, sizeof(card->longname),
458 "%s %s (%s)",
459 dev->vendor_name, dev->product_name, usbpath);
460
461 setup_card(dev);
462 return 0;
463 }
464
465 static int __devinit snd_probe(struct usb_interface *intf,
466 const struct usb_device_id *id)
467 {
468 int ret;
469 struct snd_card *card;
470 struct usb_device *device = interface_to_usbdev(intf);
471
472 ret = create_card(device, intf, &card);
473
474 if (ret < 0)
475 return ret;
476
477 usb_set_intfdata(intf, card);
478 ret = init_card(caiaqdev(card));
479 if (ret < 0) {
480 log("unable to init card! (ret=%d)\n", ret);
481 snd_card_free(card);
482 return ret;
483 }
484
485 return 0;
486 }
487
488 static void snd_disconnect(struct usb_interface *intf)
489 {
490 struct snd_usb_caiaqdev *dev;
491 struct snd_card *card = usb_get_intfdata(intf);
492
493 debug("%s(%p)\n", __func__, intf);
494
495 if (!card)
496 return;
497
498 dev = caiaqdev(card);
499 snd_card_disconnect(card);
500
501 #ifdef CONFIG_SND_USB_CAIAQ_INPUT
502 snd_usb_caiaq_input_free(dev);
503 #endif
504 snd_usb_caiaq_audio_free(dev);
505
506 usb_kill_urb(&dev->ep1_in_urb);
507 usb_kill_urb(&dev->midi_out_urb);
508
509 snd_card_free(card);
510 usb_reset_device(interface_to_usbdev(intf));
511 }
512
513
514 MODULE_DEVICE_TABLE(usb, snd_usb_id_table);
515 static struct usb_driver snd_usb_driver = {
516 .name = MODNAME,
517 .probe = snd_probe,
518 .disconnect = snd_disconnect,
519 .id_table = snd_usb_id_table,
520 };
521
522 static int __init snd_module_init(void)
523 {
524 return usb_register(&snd_usb_driver);
525 }
526
527 static void __exit snd_module_exit(void)
528 {
529 usb_deregister(&snd_usb_driver);
530 }
531
532 module_init(snd_module_init)
533 module_exit(snd_module_exit)
534
535
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