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