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x86/xen: resume timer irqs early
[linux/fpc-iii.git] / sound / usb / caiaq / device.c
blob1a61dd12fe38a9bb881e462f396e92f43a048e36
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/device.h>
24 #include <linux/interrupt.h>
25 #include <linux/module.h>
26 #include <linux/init.h>
27 #include <linux/gfp.h>
28 #include <linux/usb.h>
29 #include <sound/initval.h>
30 #include <sound/core.h>
31 #include <sound/pcm.h>
32
33 #include "device.h"
34 #include "audio.h"
35 #include "midi.h"
36 #include "control.h"
37 #include "input.h"
38
39 MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>");
40 MODULE_DESCRIPTION("caiaq USB audio");
41 MODULE_LICENSE("GPL");
42 MODULE_SUPPORTED_DEVICE("{{Native Instruments,RigKontrol2},"
43 "{Native Instruments,RigKontrol3},"
44 "{Native Instruments,Kore Controller},"
45 "{Native Instruments,Kore Controller 2},"
46 "{Native Instruments,Audio Kontrol 1},"
47 "{Native Instruments,Audio 2 DJ},"
48 "{Native Instruments,Audio 4 DJ},"
49 "{Native Instruments,Audio 8 DJ},"
50 "{Native Instruments,Traktor Audio 2},"
51 "{Native Instruments,Session I/O},"
52 "{Native Instruments,GuitarRig mobile},"
53 "{Native Instruments,Traktor Kontrol X1},"
54 "{Native Instruments,Traktor Kontrol S4},"
55 "{Native Instruments,Maschine Controller}}");
56
57 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */
58 static char* id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */
59 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
60
61 module_param_array(index, int, NULL, 0444);
62 MODULE_PARM_DESC(index, "Index value for the caiaq sound device");
63 module_param_array(id, charp, NULL, 0444);
64 MODULE_PARM_DESC(id, "ID string for the caiaq soundcard.");
65 module_param_array(enable, bool, NULL, 0444);
66 MODULE_PARM_DESC(enable, "Enable the caiaq soundcard.");
67
68 enum {
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
77 enum {
78 DEPTH_NONE = 0,
79 DEPTH_16 = 1,
80 DEPTH_24 = 2,
81 DEPTH_32 = 3
82 };
83
84 static 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
158 static void usb_ep1_command_reply_dispatch (struct urb* urb)
159 {
160 int ret;
161 struct device *dev = &urb->dev->dev;
162 struct snd_usb_caiaqdev *cdev = urb->context;
163 unsigned char *buf = urb->transfer_buffer;
164
165 if (urb->status || !cdev) {
166 dev_warn(dev, "received EP1 urb->status = %i\n", urb->status);
167 return;
168 }
169
170 switch(buf[0]) {
171 case EP1_CMD_GET_DEVICE_INFO:
172 memcpy(&cdev->spec, buf+1, sizeof(struct caiaq_device_spec));
173 cdev->spec.fw_version = le16_to_cpu(cdev->spec.fw_version);
174 dev_dbg(dev, "device spec (firmware %d): audio: %d in, %d out, "
175 "MIDI: %d in, %d out, data alignment %d\n",
176 cdev->spec.fw_version,
177 cdev->spec.num_analog_audio_in,
178 cdev->spec.num_analog_audio_out,
179 cdev->spec.num_midi_in,
180 cdev->spec.num_midi_out,
181 cdev->spec.data_alignment);
182
183 cdev->spec_received++;
184 wake_up(&cdev->ep1_wait_queue);
185 break;
186 case EP1_CMD_AUDIO_PARAMS:
187 cdev->audio_parm_answer = buf[1];
188 wake_up(&cdev->ep1_wait_queue);
189 break;
190 case EP1_CMD_MIDI_READ:
191 snd_usb_caiaq_midi_handle_input(cdev, buf[1], buf + 3, buf[2]);
192 break;
193 case EP1_CMD_READ_IO:
194 if (cdev->chip.usb_id ==
195 USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ)) {
196 if (urb->actual_length > sizeof(cdev->control_state))
197 urb->actual_length = sizeof(cdev->control_state);
198 memcpy(cdev->control_state, buf + 1, urb->actual_length);
199 wake_up(&cdev->ep1_wait_queue);
200 break;
201 }
202 #ifdef CONFIG_SND_USB_CAIAQ_INPUT
203 case EP1_CMD_READ_ERP:
204 case EP1_CMD_READ_ANALOG:
205 snd_usb_caiaq_input_dispatch(cdev, buf, urb->actual_length);
206 #endif
207 break;
208 }
209
210 cdev->ep1_in_urb.actual_length = 0;
211 ret = usb_submit_urb(&cdev->ep1_in_urb, GFP_ATOMIC);
212 if (ret < 0)
213 dev_err(dev, "unable to submit urb. OOM!?\n");
214 }
215
216 int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *cdev,
217 unsigned char command,
218 const unsigned char *buffer,
219 int len)
220 {
221 int actual_len;
222 struct usb_device *usb_dev = cdev->chip.dev;
223
224 if (!usb_dev)
225 return -EIO;
226
227 if (len > EP1_BUFSIZE - 1)
228 len = EP1_BUFSIZE - 1;
229
230 if (buffer && len > 0)
231 memcpy(cdev->ep1_out_buf+1, buffer, len);
232
233 cdev->ep1_out_buf[0] = command;
234 return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1),
235 cdev->ep1_out_buf, len+1, &actual_len, 200);
236 }
237
238 int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *cdev,
239 int rate, int depth, int bpp)
240 {
241 int ret;
242 char tmp[5];
243 struct device *dev = caiaqdev_to_dev(cdev);
244
245 switch (rate) {
246 case 44100: tmp[0] = SAMPLERATE_44100; break;
247 case 48000: tmp[0] = SAMPLERATE_48000; break;
248 case 88200: tmp[0] = SAMPLERATE_88200; break;
249 case 96000: tmp[0] = SAMPLERATE_96000; break;
250 case 192000: tmp[0] = SAMPLERATE_192000; break;
251 default: return -EINVAL;
252 }
253
254 switch (depth) {
255 case 16: tmp[1] = DEPTH_16; break;
256 case 24: tmp[1] = DEPTH_24; break;
257 default: return -EINVAL;
258 }
259
260 tmp[2] = bpp & 0xff;
261 tmp[3] = bpp >> 8;
262 tmp[4] = 1; /* packets per microframe */
263
264 dev_dbg(dev, "setting audio params: %d Hz, %d bits, %d bpp\n",
265 rate, depth, bpp);
266
267 cdev->audio_parm_answer = -1;
268 ret = snd_usb_caiaq_send_command(cdev, EP1_CMD_AUDIO_PARAMS,
269 tmp, sizeof(tmp));
270
271 if (ret)
272 return ret;
273
274 if (!wait_event_timeout(cdev->ep1_wait_queue,
275 cdev->audio_parm_answer >= 0, HZ))
276 return -EPIPE;
277
278 if (cdev->audio_parm_answer != 1)
279 dev_dbg(dev, "unable to set the device's audio params\n");
280 else
281 cdev->bpp = bpp;
282
283 return cdev->audio_parm_answer == 1 ? 0 : -EINVAL;
284 }
285
286 int snd_usb_caiaq_set_auto_msg(struct snd_usb_caiaqdev *cdev,
287 int digital, int analog, int erp)
288 {
289 char tmp[3] = { digital, analog, erp };
290 return snd_usb_caiaq_send_command(cdev, EP1_CMD_AUTO_MSG,
291 tmp, sizeof(tmp));
292 }
293
294 static void setup_card(struct snd_usb_caiaqdev *cdev)
295 {
296 int ret;
297 char val[4];
298 struct device *dev = caiaqdev_to_dev(cdev);
299
300 /* device-specific startup specials */
301 switch (cdev->chip.usb_id) {
302 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2):
303 /* RigKontrol2 - display centered dash ('-') */
304 val[0] = 0x00;
305 val[1] = 0x00;
306 val[2] = 0x01;
307 snd_usb_caiaq_send_command(cdev, EP1_CMD_WRITE_IO, val, 3);
308 break;
309 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3):
310 /* RigKontrol2 - display two centered dashes ('--') */
311 val[0] = 0x00;
312 val[1] = 0x40;
313 val[2] = 0x40;
314 val[3] = 0x00;
315 snd_usb_caiaq_send_command(cdev, EP1_CMD_WRITE_IO, val, 4);
316 break;
317 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1):
318 /* Audio Kontrol 1 - make USB-LED stop blinking */
319 val[0] = 0x00;
320 snd_usb_caiaq_send_command(cdev, EP1_CMD_WRITE_IO, val, 1);
321 break;
322 case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ):
323 /* Audio 8 DJ - trigger read of current settings */
324 cdev->control_state[0] = 0xff;
325 snd_usb_caiaq_set_auto_msg(cdev, 1, 0, 0);
326 snd_usb_caiaq_send_command(cdev, EP1_CMD_READ_IO, NULL, 0);
327
328 if (!wait_event_timeout(cdev->ep1_wait_queue,
329 cdev->control_state[0] != 0xff, HZ))
330 return;
331
332 /* fix up some defaults */
333 if ((cdev->control_state[1] != 2) ||
334 (cdev->control_state[2] != 3) ||
335 (cdev->control_state[4] != 2)) {
336 cdev->control_state[1] = 2;
337 cdev->control_state[2] = 3;
338 cdev->control_state[4] = 2;
339 snd_usb_caiaq_send_command(cdev,
340 EP1_CMD_WRITE_IO, cdev->control_state, 6);
341 }
342
343 break;
344 }
345
346 if (cdev->spec.num_analog_audio_out +
347 cdev->spec.num_analog_audio_in +
348 cdev->spec.num_digital_audio_out +
349 cdev->spec.num_digital_audio_in > 0) {
350 ret = snd_usb_caiaq_audio_init(cdev);
351 if (ret < 0)
352 dev_err(dev, "Unable to set up audio system (ret=%d)\n", ret);
353 }
354
355 if (cdev->spec.num_midi_in +
356 cdev->spec.num_midi_out > 0) {
357 ret = snd_usb_caiaq_midi_init(cdev);
358 if (ret < 0)
359 dev_err(dev, "Unable to set up MIDI system (ret=%d)\n", ret);
360 }
361
362 #ifdef CONFIG_SND_USB_CAIAQ_INPUT
363 ret = snd_usb_caiaq_input_init(cdev);
364 if (ret < 0)
365 dev_err(dev, "Unable to set up input system (ret=%d)\n", ret);
366 #endif
367
368 /* finally, register the card and all its sub-instances */
369 ret = snd_card_register(cdev->chip.card);
370 if (ret < 0) {
371 dev_err(dev, "snd_card_register() returned %d\n", ret);
372 snd_card_free(cdev->chip.card);
373 }
374
375 ret = snd_usb_caiaq_control_init(cdev);
376 if (ret < 0)
377 dev_err(dev, "Unable to set up control system (ret=%d)\n", ret);
378 }
379
380 static int create_card(struct usb_device *usb_dev,
381 struct usb_interface *intf,
382 struct snd_card **cardp)
383 {
384 int devnum;
385 int err;
386 struct snd_card *card;
387 struct snd_usb_caiaqdev *cdev;
388
389 for (devnum = 0; devnum < SNDRV_CARDS; devnum++)
390 if (enable[devnum])
391 break;
392
393 if (devnum >= SNDRV_CARDS)
394 return -ENODEV;
395
396 err = snd_card_create(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 snd_card_set_dev(card, &intf->dev);
408
409 *cardp = card;
410 return 0;
411 }
412
413 static int init_card(struct snd_usb_caiaqdev *cdev)
414 {
415 char *c, usbpath[32];
416 struct usb_device *usb_dev = cdev->chip.dev;
417 struct snd_card *card = cdev->chip.card;
418 struct device *dev = caiaqdev_to_dev(cdev);
419 int err, len;
420
421 if (usb_set_interface(usb_dev, 0, 1) != 0) {
422 dev_err(dev, "can't set alt interface.\n");
423 return -EIO;
424 }
425
426 usb_init_urb(&cdev->ep1_in_urb);
427 usb_init_urb(&cdev->midi_out_urb);
428
429 usb_fill_bulk_urb(&cdev->ep1_in_urb, usb_dev,
430 usb_rcvbulkpipe(usb_dev, 0x1),
431 cdev->ep1_in_buf, EP1_BUFSIZE,
432 usb_ep1_command_reply_dispatch, cdev);
433
434 usb_fill_bulk_urb(&cdev->midi_out_urb, usb_dev,
435 usb_sndbulkpipe(usb_dev, 0x1),
436 cdev->midi_out_buf, EP1_BUFSIZE,
437 snd_usb_caiaq_midi_output_done, cdev);
438
439 init_waitqueue_head(&cdev->ep1_wait_queue);
440 init_waitqueue_head(&cdev->prepare_wait_queue);
441
442 if (usb_submit_urb(&cdev->ep1_in_urb, GFP_KERNEL) != 0)
443 return -EIO;
444
445 err = snd_usb_caiaq_send_command(cdev, EP1_CMD_GET_DEVICE_INFO, NULL, 0);
446 if (err)
447 return err;
448
449 if (!wait_event_timeout(cdev->ep1_wait_queue, cdev->spec_received, HZ))
450 return -ENODEV;
451
452 usb_string(usb_dev, usb_dev->descriptor.iManufacturer,
453 cdev->vendor_name, CAIAQ_USB_STR_LEN);
454
455 usb_string(usb_dev, usb_dev->descriptor.iProduct,
456 cdev->product_name, CAIAQ_USB_STR_LEN);
457
458 strlcpy(card->driver, MODNAME, sizeof(card->driver));
459 strlcpy(card->shortname, cdev->product_name, sizeof(card->shortname));
460 strlcpy(card->mixername, cdev->product_name, sizeof(card->mixername));
461
462 /* if the id was not passed as module option, fill it with a shortened
463 * version of the product string which does not contain any
464 * whitespaces */
465
466 if (*card->id == '\0') {
467 char id[sizeof(card->id)];
468
469 memset(id, 0, sizeof(id));
470
471 for (c = card->shortname, len = 0;
472 *c && len < sizeof(card->id); c++)
473 if (*c != ' ')
474 id[len++] = *c;
475
476 snd_card_set_id(card, id);
477 }
478
479 usb_make_path(usb_dev, usbpath, sizeof(usbpath));
480 snprintf(card->longname, sizeof(card->longname), "%s %s (%s)",
481 cdev->vendor_name, cdev->product_name, usbpath);
482
483 setup_card(cdev);
484 return 0;
485 }
486
487 static int snd_probe(struct usb_interface *intf,
488 const struct usb_device_id *id)
489 {
490 int ret;
491 struct snd_card *card = NULL;
492 struct usb_device *usb_dev = interface_to_usbdev(intf);
493
494 ret = create_card(usb_dev, intf, &card);
495
496 if (ret < 0)
497 return ret;
498
499 usb_set_intfdata(intf, card);
500 ret = init_card(caiaqdev(card));
501 if (ret < 0) {
502 dev_err(&usb_dev->dev, "unable to init card! (ret=%d)\n", ret);
503 snd_card_free(card);
504 return ret;
505 }
506
507 return 0;
508 }
509
510 static void snd_disconnect(struct usb_interface *intf)
511 {
512 struct snd_card *card = usb_get_intfdata(intf);
513 struct device *dev = intf->usb_dev;
514 struct snd_usb_caiaqdev *cdev;
515
516 if (!card)
517 return;
518
519 cdev = caiaqdev(card);
520 dev_dbg(dev, "%s(%p)\n", __func__, intf);
521
522 snd_card_disconnect(card);
523
524 #ifdef CONFIG_SND_USB_CAIAQ_INPUT
525 snd_usb_caiaq_input_free(cdev);
526 #endif
527 snd_usb_caiaq_audio_free(cdev);
528
529 usb_kill_urb(&cdev->ep1_in_urb);
530 usb_kill_urb(&cdev->midi_out_urb);
531
532 snd_card_free(card);
533 usb_reset_device(interface_to_usbdev(intf));
534 }
535
536
537 MODULE_DEVICE_TABLE(usb, snd_usb_id_table);
538 static struct usb_driver snd_usb_driver = {
539 .name = MODNAME,
540 .probe = snd_probe,
541 .disconnect = snd_disconnect,
542 .id_table = snd_usb_id_table,
543 };
544
545 module_usb_driver(snd_usb_driver);
Linux with added FPC-III support