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14#include <linux/usb.h>
15#include <linux/slab.h>
16#include <linux/module.h>
17#include <sound/core.h>
18#include <sound/pcm.h>
19
20#include "driver.h"
21#include "pcm.h"
22
23#define PODHD_STARTUP_DELAY 500
24
25
26
27
28enum {
29 PODHD_STARTUP_INIT = 1,
30 PODHD_STARTUP_SCHEDULE_WORKQUEUE,
31 PODHD_STARTUP_SETUP,
32 PODHD_STARTUP_LAST = PODHD_STARTUP_SETUP - 1
33};
34
35enum {
36 LINE6_PODHD300,
37 LINE6_PODHD400,
38 LINE6_PODHD500_0,
39 LINE6_PODHD500_1,
40 LINE6_PODX3,
41 LINE6_PODX3LIVE,
42 LINE6_PODHD500X,
43 LINE6_PODHDDESKTOP
44};
45
46struct usb_line6_podhd {
47
48 struct usb_line6 line6;
49
50
51 struct timer_list startup_timer;
52
53
54 struct work_struct startup_work;
55
56
57 int startup_progress;
58
59
60 u32 serial_number;
61
62
63 int firmware_version;
64};
65
66static struct snd_ratden podhd_ratden = {
67 .num_min = 48000,
68 .num_max = 48000,
69 .num_step = 1,
70 .den = 1,
71};
72
73static struct line6_pcm_properties podhd_pcm_properties = {
74 .playback_hw = {
75 .info = (SNDRV_PCM_INFO_MMAP |
76 SNDRV_PCM_INFO_INTERLEAVED |
77 SNDRV_PCM_INFO_BLOCK_TRANSFER |
78 SNDRV_PCM_INFO_MMAP_VALID |
79 SNDRV_PCM_INFO_PAUSE |
80 SNDRV_PCM_INFO_SYNC_START),
81 .formats = SNDRV_PCM_FMTBIT_S24_3LE,
82 .rates = SNDRV_PCM_RATE_48000,
83 .rate_min = 48000,
84 .rate_max = 48000,
85 .channels_min = 2,
86 .channels_max = 2,
87 .buffer_bytes_max = 60000,
88 .period_bytes_min = 64,
89 .period_bytes_max = 8192,
90 .periods_min = 1,
91 .periods_max = 1024},
92 .capture_hw = {
93 .info = (SNDRV_PCM_INFO_MMAP |
94 SNDRV_PCM_INFO_INTERLEAVED |
95 SNDRV_PCM_INFO_BLOCK_TRANSFER |
96 SNDRV_PCM_INFO_MMAP_VALID |
97 SNDRV_PCM_INFO_SYNC_START),
98 .formats = SNDRV_PCM_FMTBIT_S24_3LE,
99 .rates = SNDRV_PCM_RATE_48000,
100 .rate_min = 48000,
101 .rate_max = 48000,
102 .channels_min = 2,
103 .channels_max = 2,
104 .buffer_bytes_max = 60000,
105 .period_bytes_min = 64,
106 .period_bytes_max = 8192,
107 .periods_min = 1,
108 .periods_max = 1024},
109 .rates = {
110 .nrats = 1,
111 .rats = &podhd_ratden},
112 .bytes_per_channel = 3
113};
114
115static struct line6_pcm_properties podx3_pcm_properties = {
116 .playback_hw = {
117 .info = (SNDRV_PCM_INFO_MMAP |
118 SNDRV_PCM_INFO_INTERLEAVED |
119 SNDRV_PCM_INFO_BLOCK_TRANSFER |
120 SNDRV_PCM_INFO_MMAP_VALID |
121 SNDRV_PCM_INFO_PAUSE |
122 SNDRV_PCM_INFO_SYNC_START),
123 .formats = SNDRV_PCM_FMTBIT_S24_3LE,
124 .rates = SNDRV_PCM_RATE_48000,
125 .rate_min = 48000,
126 .rate_max = 48000,
127 .channels_min = 2,
128 .channels_max = 2,
129 .buffer_bytes_max = 60000,
130 .period_bytes_min = 64,
131 .period_bytes_max = 8192,
132 .periods_min = 1,
133 .periods_max = 1024},
134 .capture_hw = {
135 .info = (SNDRV_PCM_INFO_MMAP |
136 SNDRV_PCM_INFO_INTERLEAVED |
137 SNDRV_PCM_INFO_BLOCK_TRANSFER |
138 SNDRV_PCM_INFO_MMAP_VALID |
139 SNDRV_PCM_INFO_SYNC_START),
140 .formats = SNDRV_PCM_FMTBIT_S24_3LE,
141 .rates = SNDRV_PCM_RATE_48000,
142 .rate_min = 48000,
143 .rate_max = 48000,
144
145
146
147 .channels_min = 8,
148 .channels_max = 8,
149 .buffer_bytes_max = 60000,
150 .period_bytes_min = 64,
151 .period_bytes_max = 8192,
152 .periods_min = 1,
153 .periods_max = 1024},
154 .rates = {
155 .nrats = 1,
156 .rats = &podhd_ratden},
157 .bytes_per_channel = 3
158};
159static struct usb_driver podhd_driver;
160
161static void podhd_startup_start_workqueue(struct timer_list *t);
162static void podhd_startup_workqueue(struct work_struct *work);
163static int podhd_startup_finalize(struct usb_line6_podhd *pod);
164
165static ssize_t serial_number_show(struct device *dev,
166 struct device_attribute *attr, char *buf)
167{
168 struct snd_card *card = dev_to_snd_card(dev);
169 struct usb_line6_podhd *pod = card->private_data;
170
171 return sprintf(buf, "%u\n", pod->serial_number);
172}
173
174static ssize_t firmware_version_show(struct device *dev,
175 struct device_attribute *attr, char *buf)
176{
177 struct snd_card *card = dev_to_snd_card(dev);
178 struct usb_line6_podhd *pod = card->private_data;
179
180 return sprintf(buf, "%06x\n", pod->firmware_version);
181}
182
183static DEVICE_ATTR_RO(firmware_version);
184static DEVICE_ATTR_RO(serial_number);
185
186static struct attribute *podhd_dev_attrs[] = {
187 &dev_attr_firmware_version.attr,
188 &dev_attr_serial_number.attr,
189 NULL
190};
191
192static const struct attribute_group podhd_dev_attr_group = {
193 .name = "podhd",
194 .attrs = podhd_dev_attrs,
195};
196
197
198
199
200
201
202
203
204
205static void podhd_startup(struct usb_line6_podhd *pod)
206{
207 CHECK_STARTUP_PROGRESS(pod->startup_progress, PODHD_STARTUP_INIT);
208
209
210 line6_start_timer(&pod->startup_timer, PODHD_STARTUP_DELAY,
211 podhd_startup_start_workqueue);
212}
213
214static void podhd_startup_start_workqueue(struct timer_list *t)
215{
216 struct usb_line6_podhd *pod = from_timer(pod, t, startup_timer);
217
218 CHECK_STARTUP_PROGRESS(pod->startup_progress,
219 PODHD_STARTUP_SCHEDULE_WORKQUEUE);
220
221
222 schedule_work(&pod->startup_work);
223}
224
225static int podhd_dev_start(struct usb_line6_podhd *pod)
226{
227 int ret;
228 u8 init_bytes[8];
229 int i;
230 struct usb_device *usbdev = pod->line6.usbdev;
231
232 ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0),
233 0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
234 0x11, 0,
235 NULL, 0, LINE6_TIMEOUT * HZ);
236 if (ret < 0) {
237 dev_err(pod->line6.ifcdev, "read request failed (error %d)\n", ret);
238 return ret;
239 }
240
241
242 ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67,
243 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
244 0x11, 0x0,
245 &init_bytes, 3, LINE6_TIMEOUT * HZ);
246 if (ret < 0) {
247 dev_err(pod->line6.ifcdev,
248 "receive length failed (error %d)\n", ret);
249 return ret;
250 }
251
252 pod->firmware_version =
253 (init_bytes[0] << 16) | (init_bytes[1] << 8) | (init_bytes[2] << 0);
254
255 for (i = 0; i <= 16; i++) {
256 ret = line6_read_data(&pod->line6, 0xf000 + 0x08 * i, init_bytes, 8);
257 if (ret < 0)
258 return ret;
259 }
260
261 ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0),
262 USB_REQ_SET_FEATURE,
263 USB_TYPE_STANDARD | USB_RECIP_DEVICE | USB_DIR_OUT,
264 1, 0,
265 NULL, 0, LINE6_TIMEOUT * HZ);
266 if (ret < 0)
267 return ret;
268
269 return 0;
270}
271
272static void podhd_startup_workqueue(struct work_struct *work)
273{
274 struct usb_line6_podhd *pod =
275 container_of(work, struct usb_line6_podhd, startup_work);
276
277 CHECK_STARTUP_PROGRESS(pod->startup_progress, PODHD_STARTUP_SETUP);
278
279 podhd_dev_start(pod);
280 line6_read_serial_number(&pod->line6, &pod->serial_number);
281
282 podhd_startup_finalize(pod);
283}
284
285static int podhd_startup_finalize(struct usb_line6_podhd *pod)
286{
287 struct usb_line6 *line6 = &pod->line6;
288
289
290 return snd_card_register(line6->card);
291}
292
293static void podhd_disconnect(struct usb_line6 *line6)
294{
295 struct usb_line6_podhd *pod = (struct usb_line6_podhd *)line6;
296
297 if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL_INFO) {
298 struct usb_interface *intf;
299
300 del_timer_sync(&pod->startup_timer);
301 cancel_work_sync(&pod->startup_work);
302
303 intf = usb_ifnum_to_if(line6->usbdev,
304 pod->line6.properties->ctrl_if);
305 if (intf)
306 usb_driver_release_interface(&podhd_driver, intf);
307 }
308}
309
310
311
312
313static int podhd_init(struct usb_line6 *line6,
314 const struct usb_device_id *id)
315{
316 int err;
317 struct usb_line6_podhd *pod = (struct usb_line6_podhd *) line6;
318 struct usb_interface *intf;
319
320 line6->disconnect = podhd_disconnect;
321
322 timer_setup(&pod->startup_timer, NULL, 0);
323 INIT_WORK(&pod->startup_work, podhd_startup_workqueue);
324
325 if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL) {
326
327 intf = usb_ifnum_to_if(line6->usbdev,
328 pod->line6.properties->ctrl_if);
329 if (!intf) {
330 dev_err(pod->line6.ifcdev, "interface %d not found\n",
331 pod->line6.properties->ctrl_if);
332 return -ENODEV;
333 }
334
335 err = usb_driver_claim_interface(&podhd_driver, intf, NULL);
336 if (err != 0) {
337 dev_err(pod->line6.ifcdev, "can't claim interface %d, error %d\n",
338 pod->line6.properties->ctrl_if, err);
339 return err;
340 }
341 }
342
343 if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL_INFO) {
344
345 err = snd_card_add_dev_attr(line6->card, &podhd_dev_attr_group);
346 if (err < 0)
347 return err;
348 }
349
350 if (pod->line6.properties->capabilities & LINE6_CAP_PCM) {
351
352 err = line6_init_pcm(line6,
353 (id->driver_info == LINE6_PODX3 ||
354 id->driver_info == LINE6_PODX3LIVE) ? &podx3_pcm_properties :
355 &podhd_pcm_properties);
356 if (err < 0)
357 return err;
358 }
359
360 if (!(pod->line6.properties->capabilities & LINE6_CAP_CONTROL_INFO)) {
361
362 return podhd_startup_finalize(pod);
363 }
364
365
366 podhd_startup(pod);
367 return 0;
368}
369
370#define LINE6_DEVICE(prod) USB_DEVICE(0x0e41, prod)
371#define LINE6_IF_NUM(prod, n) USB_DEVICE_INTERFACE_NUMBER(0x0e41, prod, n)
372
373
374static const struct usb_device_id podhd_id_table[] = {
375
376 { LINE6_DEVICE(0x5057), .driver_info = LINE6_PODHD300 },
377 { LINE6_DEVICE(0x5058), .driver_info = LINE6_PODHD400 },
378 { LINE6_IF_NUM(0x414D, 0), .driver_info = LINE6_PODHD500_0 },
379 { LINE6_IF_NUM(0x414D, 1), .driver_info = LINE6_PODHD500_1 },
380 { LINE6_IF_NUM(0x414A, 0), .driver_info = LINE6_PODX3 },
381 { LINE6_IF_NUM(0x414B, 0), .driver_info = LINE6_PODX3LIVE },
382 { LINE6_IF_NUM(0x4159, 0), .driver_info = LINE6_PODHD500X },
383 { LINE6_IF_NUM(0x4156, 0), .driver_info = LINE6_PODHDDESKTOP },
384 {}
385};
386
387MODULE_DEVICE_TABLE(usb, podhd_id_table);
388
389static const struct line6_properties podhd_properties_table[] = {
390 [LINE6_PODHD300] = {
391 .id = "PODHD300",
392 .name = "POD HD300",
393 .capabilities = LINE6_CAP_PCM
394 | LINE6_CAP_HWMON,
395 .altsetting = 5,
396 .ep_ctrl_r = 0x84,
397 .ep_ctrl_w = 0x03,
398 .ep_audio_r = 0x82,
399 .ep_audio_w = 0x01,
400 },
401 [LINE6_PODHD400] = {
402 .id = "PODHD400",
403 .name = "POD HD400",
404 .capabilities = LINE6_CAP_PCM
405 | LINE6_CAP_HWMON,
406 .altsetting = 5,
407 .ep_ctrl_r = 0x84,
408 .ep_ctrl_w = 0x03,
409 .ep_audio_r = 0x82,
410 .ep_audio_w = 0x01,
411 },
412 [LINE6_PODHD500_0] = {
413 .id = "PODHD500",
414 .name = "POD HD500",
415 .capabilities = LINE6_CAP_PCM
416 | LINE6_CAP_HWMON,
417 .altsetting = 1,
418 .ep_ctrl_r = 0x81,
419 .ep_ctrl_w = 0x01,
420 .ep_audio_r = 0x86,
421 .ep_audio_w = 0x02,
422 },
423 [LINE6_PODHD500_1] = {
424 .id = "PODHD500",
425 .name = "POD HD500",
426 .capabilities = LINE6_CAP_PCM
427 | LINE6_CAP_HWMON,
428 .altsetting = 1,
429 .ep_ctrl_r = 0x81,
430 .ep_ctrl_w = 0x01,
431 .ep_audio_r = 0x86,
432 .ep_audio_w = 0x02,
433 },
434 [LINE6_PODX3] = {
435 .id = "PODX3",
436 .name = "POD X3",
437 .capabilities = LINE6_CAP_CONTROL | LINE6_CAP_CONTROL_INFO
438 | LINE6_CAP_PCM | LINE6_CAP_HWMON | LINE6_CAP_IN_NEEDS_OUT,
439 .altsetting = 1,
440 .ep_ctrl_r = 0x81,
441 .ep_ctrl_w = 0x01,
442 .ctrl_if = 1,
443 .ep_audio_r = 0x86,
444 .ep_audio_w = 0x02,
445 },
446 [LINE6_PODX3LIVE] = {
447 .id = "PODX3LIVE",
448 .name = "POD X3 LIVE",
449 .capabilities = LINE6_CAP_CONTROL | LINE6_CAP_CONTROL_INFO
450 | LINE6_CAP_PCM | LINE6_CAP_HWMON | LINE6_CAP_IN_NEEDS_OUT,
451 .altsetting = 1,
452 .ep_ctrl_r = 0x81,
453 .ep_ctrl_w = 0x01,
454 .ctrl_if = 1,
455 .ep_audio_r = 0x86,
456 .ep_audio_w = 0x02,
457 },
458 [LINE6_PODHD500X] = {
459 .id = "PODHD500X",
460 .name = "POD HD500X",
461 .capabilities = LINE6_CAP_CONTROL
462 | LINE6_CAP_PCM | LINE6_CAP_HWMON,
463 .altsetting = 1,
464 .ep_ctrl_r = 0x81,
465 .ep_ctrl_w = 0x01,
466 .ctrl_if = 1,
467 .ep_audio_r = 0x86,
468 .ep_audio_w = 0x02,
469 },
470 [LINE6_PODHDDESKTOP] = {
471 .id = "PODHDDESKTOP",
472 .name = "POD HDDESKTOP",
473 .capabilities = LINE6_CAP_CONTROL
474 | LINE6_CAP_PCM | LINE6_CAP_HWMON,
475 .altsetting = 1,
476 .ep_ctrl_r = 0x81,
477 .ep_ctrl_w = 0x01,
478 .ctrl_if = 1,
479 .ep_audio_r = 0x86,
480 .ep_audio_w = 0x02,
481 },
482};
483
484
485
486
487static int podhd_probe(struct usb_interface *interface,
488 const struct usb_device_id *id)
489{
490 return line6_probe(interface, id, "Line6-PODHD",
491 &podhd_properties_table[id->driver_info],
492 podhd_init, sizeof(struct usb_line6_podhd));
493}
494
495static struct usb_driver podhd_driver = {
496 .name = KBUILD_MODNAME,
497 .probe = podhd_probe,
498 .disconnect = line6_disconnect,
499#ifdef CONFIG_PM
500 .suspend = line6_suspend,
501 .resume = line6_resume,
502 .reset_resume = line6_resume,
503#endif
504 .id_table = podhd_id_table,
505};
506
507module_usb_driver(podhd_driver);
508
509MODULE_DESCRIPTION("Line 6 PODHD USB driver");
510MODULE_LICENSE("GPL");
511
