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10#include <linux/usb.h>
11#include <linux/slab.h>
12#include <linux/module.h>
13#include <sound/core.h>
14#include <sound/control.h>
15#include <sound/pcm.h>
16
17#include "driver.h"
18#include "pcm.h"
19
20#define PODHD_STARTUP_DELAY 500
21
22enum {
23 LINE6_PODHD300,
24 LINE6_PODHD400,
25 LINE6_PODHD500,
26 LINE6_PODX3,
27 LINE6_PODX3LIVE,
28 LINE6_PODHD500X,
29 LINE6_PODHDDESKTOP
30};
31
32struct usb_line6_podhd {
33
34 struct usb_line6 line6;
35
36
37 u32 serial_number;
38
39
40 int firmware_version;
41
42
43 int monitor_level;
44};
45
46#define line6_to_podhd(x) container_of(x, struct usb_line6_podhd, line6)
47
48static const struct snd_ratden podhd_ratden = {
49 .num_min = 48000,
50 .num_max = 48000,
51 .num_step = 1,
52 .den = 1,
53};
54
55static struct line6_pcm_properties podhd_pcm_properties = {
56 .playback_hw = {
57 .info = (SNDRV_PCM_INFO_MMAP |
58 SNDRV_PCM_INFO_INTERLEAVED |
59 SNDRV_PCM_INFO_BLOCK_TRANSFER |
60 SNDRV_PCM_INFO_MMAP_VALID |
61 SNDRV_PCM_INFO_PAUSE |
62 SNDRV_PCM_INFO_SYNC_START),
63 .formats = SNDRV_PCM_FMTBIT_S24_3LE,
64 .rates = SNDRV_PCM_RATE_48000,
65 .rate_min = 48000,
66 .rate_max = 48000,
67 .channels_min = 2,
68 .channels_max = 2,
69 .buffer_bytes_max = 60000,
70 .period_bytes_min = 64,
71 .period_bytes_max = 8192,
72 .periods_min = 1,
73 .periods_max = 1024},
74 .capture_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_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 .rates = {
92 .nrats = 1,
93 .rats = &podhd_ratden},
94 .bytes_per_channel = 3
95};
96
97static struct line6_pcm_properties podx3_pcm_properties = {
98 .playback_hw = {
99 .info = (SNDRV_PCM_INFO_MMAP |
100 SNDRV_PCM_INFO_INTERLEAVED |
101 SNDRV_PCM_INFO_BLOCK_TRANSFER |
102 SNDRV_PCM_INFO_MMAP_VALID |
103 SNDRV_PCM_INFO_PAUSE |
104 SNDRV_PCM_INFO_SYNC_START),
105 .formats = SNDRV_PCM_FMTBIT_S24_3LE,
106 .rates = SNDRV_PCM_RATE_48000,
107 .rate_min = 48000,
108 .rate_max = 48000,
109 .channels_min = 2,
110 .channels_max = 2,
111 .buffer_bytes_max = 60000,
112 .period_bytes_min = 64,
113 .period_bytes_max = 8192,
114 .periods_min = 1,
115 .periods_max = 1024},
116 .capture_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_SYNC_START),
122 .formats = SNDRV_PCM_FMTBIT_S24_3LE,
123 .rates = SNDRV_PCM_RATE_48000,
124 .rate_min = 48000,
125 .rate_max = 48000,
126
127
128
129 .channels_min = 8,
130 .channels_max = 8,
131 .buffer_bytes_max = 60000,
132 .period_bytes_min = 64,
133 .period_bytes_max = 8192,
134 .periods_min = 1,
135 .periods_max = 1024},
136 .rates = {
137 .nrats = 1,
138 .rats = &podhd_ratden},
139 .bytes_per_channel = 3
140};
141static struct usb_driver podhd_driver;
142
143static ssize_t serial_number_show(struct device *dev,
144 struct device_attribute *attr, char *buf)
145{
146 struct snd_card *card = dev_to_snd_card(dev);
147 struct usb_line6_podhd *pod = card->private_data;
148
149 return sprintf(buf, "%u\n", pod->serial_number);
150}
151
152static ssize_t firmware_version_show(struct device *dev,
153 struct device_attribute *attr, char *buf)
154{
155 struct snd_card *card = dev_to_snd_card(dev);
156 struct usb_line6_podhd *pod = card->private_data;
157
158 return sprintf(buf, "%06x\n", pod->firmware_version);
159}
160
161static DEVICE_ATTR_RO(firmware_version);
162static DEVICE_ATTR_RO(serial_number);
163
164static struct attribute *podhd_dev_attrs[] = {
165 &dev_attr_firmware_version.attr,
166 &dev_attr_serial_number.attr,
167 NULL
168};
169
170static const struct attribute_group podhd_dev_attr_group = {
171 .name = "podhd",
172 .attrs = podhd_dev_attrs,
173};
174
175
176
177
178
179
180
181
182
183static int podhd_dev_start(struct usb_line6_podhd *pod)
184{
185 int ret;
186 u8 init_bytes[8];
187 int i;
188 struct usb_device *usbdev = pod->line6.usbdev;
189
190 ret = usb_control_msg_send(usbdev, 0,
191 0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
192 0x11, 0,
193 NULL, 0, LINE6_TIMEOUT * HZ, GFP_KERNEL);
194 if (ret) {
195 dev_err(pod->line6.ifcdev, "read request failed (error %d)\n", ret);
196 goto exit;
197 }
198
199
200 ret = usb_control_msg_recv(usbdev, 0, 0x67,
201 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
202 0x11, 0x0,
203 init_bytes, 3, LINE6_TIMEOUT * HZ, GFP_KERNEL);
204 if (ret) {
205 dev_err(pod->line6.ifcdev,
206 "receive length failed (error %d)\n", ret);
207 goto exit;
208 }
209
210 pod->firmware_version =
211 (init_bytes[0] << 16) | (init_bytes[1] << 8) | (init_bytes[2] << 0);
212
213 for (i = 0; i <= 16; i++) {
214 ret = line6_read_data(&pod->line6, 0xf000 + 0x08 * i, init_bytes, 8);
215 if (ret < 0)
216 goto exit;
217 }
218
219 ret = usb_control_msg_send(usbdev, 0,
220 USB_REQ_SET_FEATURE,
221 USB_TYPE_STANDARD | USB_RECIP_DEVICE | USB_DIR_OUT,
222 1, 0,
223 NULL, 0, LINE6_TIMEOUT * HZ, GFP_KERNEL);
224exit:
225 return ret;
226}
227
228static void podhd_startup(struct usb_line6 *line6)
229{
230 struct usb_line6_podhd *pod = line6_to_podhd(line6);
231
232 podhd_dev_start(pod);
233 line6_read_serial_number(&pod->line6, &pod->serial_number);
234 if (snd_card_register(line6->card))
235 dev_err(line6->ifcdev, "Failed to register POD HD card.\n");
236}
237
238static void podhd_disconnect(struct usb_line6 *line6)
239{
240 struct usb_line6_podhd *pod = line6_to_podhd(line6);
241
242 if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL_INFO) {
243 struct usb_interface *intf;
244
245 intf = usb_ifnum_to_if(line6->usbdev,
246 pod->line6.properties->ctrl_if);
247 if (intf)
248 usb_driver_release_interface(&podhd_driver, intf);
249 }
250}
251
252static const unsigned int float_zero_to_one_lookup[] = {
2530x00000000, 0x3c23d70a, 0x3ca3d70a, 0x3cf5c28f, 0x3d23d70a, 0x3d4ccccd,
2540x3d75c28f, 0x3d8f5c29, 0x3da3d70a, 0x3db851ec, 0x3dcccccd, 0x3de147ae,
2550x3df5c28f, 0x3e051eb8, 0x3e0f5c29, 0x3e19999a, 0x3e23d70a, 0x3e2e147b,
2560x3e3851ec, 0x3e428f5c, 0x3e4ccccd, 0x3e570a3d, 0x3e6147ae, 0x3e6b851f,
2570x3e75c28f, 0x3e800000, 0x3e851eb8, 0x3e8a3d71, 0x3e8f5c29, 0x3e947ae1,
2580x3e99999a, 0x3e9eb852, 0x3ea3d70a, 0x3ea8f5c3, 0x3eae147b, 0x3eb33333,
2590x3eb851ec, 0x3ebd70a4, 0x3ec28f5c, 0x3ec7ae14, 0x3ecccccd, 0x3ed1eb85,
2600x3ed70a3d, 0x3edc28f6, 0x3ee147ae, 0x3ee66666, 0x3eeb851f, 0x3ef0a3d7,
2610x3ef5c28f, 0x3efae148, 0x3f000000, 0x3f028f5c, 0x3f051eb8, 0x3f07ae14,
2620x3f0a3d71, 0x3f0ccccd, 0x3f0f5c29, 0x3f11eb85, 0x3f147ae1, 0x3f170a3d,
2630x3f19999a, 0x3f1c28f6, 0x3f1eb852, 0x3f2147ae, 0x3f23d70a, 0x3f266666,
2640x3f28f5c3, 0x3f2b851f, 0x3f2e147b, 0x3f30a3d7, 0x3f333333, 0x3f35c28f,
2650x3f3851ec, 0x3f3ae148, 0x3f3d70a4, 0x3f400000, 0x3f428f5c, 0x3f451eb8,
2660x3f47ae14, 0x3f4a3d71, 0x3f4ccccd, 0x3f4f5c29, 0x3f51eb85, 0x3f547ae1,
2670x3f570a3d, 0x3f59999a, 0x3f5c28f6, 0x3f5eb852, 0x3f6147ae, 0x3f63d70a,
2680x3f666666, 0x3f68f5c3, 0x3f6b851f, 0x3f6e147b, 0x3f70a3d7, 0x3f733333,
2690x3f75c28f, 0x3f7851ec, 0x3f7ae148, 0x3f7d70a4, 0x3f800000
270};
271
272static void podhd_set_monitor_level(struct usb_line6_podhd *podhd, int value)
273{
274 unsigned int fl;
275 static const unsigned char msg[16] = {
276
277 0x0c, 0x00,
278
279 0x01, 0x00,
280
281 0x02, 0x00,
282
283 0x04, 0x41,
284
285 0x04, 0x00, 0x13, 0x00,
286
287 0x00, 0x00, 0x00, 0x00
288 };
289 unsigned char *buf;
290
291 buf = kmemdup(msg, sizeof(msg), GFP_KERNEL);
292 if (!buf)
293 return;
294
295 if (value < 0)
296 value = 0;
297
298 if (value >= ARRAY_SIZE(float_zero_to_one_lookup))
299 value = ARRAY_SIZE(float_zero_to_one_lookup) - 1;
300
301 fl = float_zero_to_one_lookup[value];
302
303 buf[12] = (fl >> 0) & 0xff;
304 buf[13] = (fl >> 8) & 0xff;
305 buf[14] = (fl >> 16) & 0xff;
306 buf[15] = (fl >> 24) & 0xff;
307
308 line6_send_raw_message(&podhd->line6, buf, sizeof(msg));
309 kfree(buf);
310
311 podhd->monitor_level = value;
312}
313
314
315static int snd_podhd_control_monitor_info(struct snd_kcontrol *kcontrol,
316 struct snd_ctl_elem_info *uinfo)
317{
318 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
319 uinfo->count = 1;
320 uinfo->value.integer.min = 0;
321 uinfo->value.integer.max = 100;
322 uinfo->value.integer.step = 1;
323 return 0;
324}
325
326
327static int snd_podhd_control_monitor_get(struct snd_kcontrol *kcontrol,
328 struct snd_ctl_elem_value *ucontrol)
329{
330 struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
331 struct usb_line6_podhd *podhd = line6_to_podhd(line6pcm->line6);
332
333 ucontrol->value.integer.value[0] = podhd->monitor_level;
334 return 0;
335}
336
337
338static int snd_podhd_control_monitor_put(struct snd_kcontrol *kcontrol,
339 struct snd_ctl_elem_value *ucontrol)
340{
341 struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
342 struct usb_line6_podhd *podhd = line6_to_podhd(line6pcm->line6);
343
344 if (ucontrol->value.integer.value[0] == podhd->monitor_level)
345 return 0;
346
347 podhd_set_monitor_level(podhd, ucontrol->value.integer.value[0]);
348 return 1;
349}
350
351
352static const struct snd_kcontrol_new podhd_control_monitor = {
353 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
354 .name = "Monitor Playback Volume",
355 .index = 0,
356 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
357 .info = snd_podhd_control_monitor_info,
358 .get = snd_podhd_control_monitor_get,
359 .put = snd_podhd_control_monitor_put
360};
361
362
363
364
365static int podhd_init(struct usb_line6 *line6,
366 const struct usb_device_id *id)
367{
368 int err;
369 struct usb_line6_podhd *pod = line6_to_podhd(line6);
370 struct usb_interface *intf;
371
372 line6->disconnect = podhd_disconnect;
373 line6->startup = podhd_startup;
374
375 if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL) {
376
377 intf = usb_ifnum_to_if(line6->usbdev,
378 pod->line6.properties->ctrl_if);
379 if (!intf) {
380 dev_err(pod->line6.ifcdev, "interface %d not found\n",
381 pod->line6.properties->ctrl_if);
382 return -ENODEV;
383 }
384
385 err = usb_driver_claim_interface(&podhd_driver, intf, NULL);
386 if (err != 0) {
387 dev_err(pod->line6.ifcdev, "can't claim interface %d, error %d\n",
388 pod->line6.properties->ctrl_if, err);
389 return err;
390 }
391 }
392
393 if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL_INFO) {
394
395 err = snd_card_add_dev_attr(line6->card, &podhd_dev_attr_group);
396 if (err < 0)
397 return err;
398 }
399
400 if (pod->line6.properties->capabilities & LINE6_CAP_PCM) {
401
402 err = line6_init_pcm(line6,
403 (id->driver_info == LINE6_PODX3 ||
404 id->driver_info == LINE6_PODX3LIVE) ? &podx3_pcm_properties :
405 &podhd_pcm_properties);
406 if (err < 0)
407 return err;
408 }
409
410 if (pod->line6.properties->capabilities & LINE6_CAP_HWMON_CTL) {
411 podhd_set_monitor_level(pod, 100);
412 err = snd_ctl_add(line6->card,
413 snd_ctl_new1(&podhd_control_monitor,
414 line6->line6pcm));
415 if (err < 0)
416 return err;
417 }
418
419 if (!(pod->line6.properties->capabilities & LINE6_CAP_CONTROL_INFO)) {
420
421 return snd_card_register(line6->card);
422 }
423
424
425 schedule_delayed_work(&line6->startup_work,
426 msecs_to_jiffies(PODHD_STARTUP_DELAY));
427 return 0;
428}
429
430#define LINE6_DEVICE(prod) USB_DEVICE(0x0e41, prod)
431#define LINE6_IF_NUM(prod, n) USB_DEVICE_INTERFACE_NUMBER(0x0e41, prod, n)
432
433
434static const struct usb_device_id podhd_id_table[] = {
435
436 { LINE6_DEVICE(0x5057), .driver_info = LINE6_PODHD300 },
437 { LINE6_DEVICE(0x5058), .driver_info = LINE6_PODHD400 },
438 { LINE6_IF_NUM(0x414D, 0), .driver_info = LINE6_PODHD500 },
439 { LINE6_IF_NUM(0x414A, 0), .driver_info = LINE6_PODX3 },
440 { LINE6_IF_NUM(0x414B, 0), .driver_info = LINE6_PODX3LIVE },
441 { LINE6_IF_NUM(0x4159, 0), .driver_info = LINE6_PODHD500X },
442 { LINE6_IF_NUM(0x4156, 0), .driver_info = LINE6_PODHDDESKTOP },
443 {}
444};
445
446MODULE_DEVICE_TABLE(usb, podhd_id_table);
447
448static const struct line6_properties podhd_properties_table[] = {
449 [LINE6_PODHD300] = {
450 .id = "PODHD300",
451 .name = "POD HD300",
452 .capabilities = LINE6_CAP_PCM
453 | LINE6_CAP_HWMON,
454 .altsetting = 5,
455 .ep_ctrl_r = 0x84,
456 .ep_ctrl_w = 0x03,
457 .ep_audio_r = 0x82,
458 .ep_audio_w = 0x01,
459 },
460 [LINE6_PODHD400] = {
461 .id = "PODHD400",
462 .name = "POD HD400",
463 .capabilities = LINE6_CAP_PCM
464 | LINE6_CAP_HWMON,
465 .altsetting = 5,
466 .ep_ctrl_r = 0x84,
467 .ep_ctrl_w = 0x03,
468 .ep_audio_r = 0x82,
469 .ep_audio_w = 0x01,
470 },
471 [LINE6_PODHD500] = {
472 .id = "PODHD500",
473 .name = "POD HD500",
474 .capabilities = LINE6_CAP_PCM | LINE6_CAP_CONTROL
475 | LINE6_CAP_HWMON | LINE6_CAP_HWMON_CTL,
476 .altsetting = 1,
477 .ctrl_if = 1,
478 .ep_ctrl_r = 0x81,
479 .ep_ctrl_w = 0x01,
480 .ep_audio_r = 0x86,
481 .ep_audio_w = 0x02,
482 },
483 [LINE6_PODX3] = {
484 .id = "PODX3",
485 .name = "POD X3",
486 .capabilities = LINE6_CAP_CONTROL | LINE6_CAP_CONTROL_INFO
487 | LINE6_CAP_PCM | LINE6_CAP_HWMON | LINE6_CAP_IN_NEEDS_OUT,
488 .altsetting = 1,
489 .ep_ctrl_r = 0x81,
490 .ep_ctrl_w = 0x01,
491 .ctrl_if = 1,
492 .ep_audio_r = 0x86,
493 .ep_audio_w = 0x02,
494 },
495 [LINE6_PODX3LIVE] = {
496 .id = "PODX3LIVE",
497 .name = "POD X3 LIVE",
498 .capabilities = LINE6_CAP_CONTROL | LINE6_CAP_CONTROL_INFO
499 | LINE6_CAP_PCM | LINE6_CAP_HWMON | LINE6_CAP_IN_NEEDS_OUT,
500 .altsetting = 1,
501 .ep_ctrl_r = 0x81,
502 .ep_ctrl_w = 0x01,
503 .ctrl_if = 1,
504 .ep_audio_r = 0x86,
505 .ep_audio_w = 0x02,
506 },
507 [LINE6_PODHD500X] = {
508 .id = "PODHD500X",
509 .name = "POD HD500X",
510 .capabilities = LINE6_CAP_CONTROL
511 | LINE6_CAP_PCM | LINE6_CAP_HWMON,
512 .altsetting = 1,
513 .ep_ctrl_r = 0x81,
514 .ep_ctrl_w = 0x01,
515 .ctrl_if = 1,
516 .ep_audio_r = 0x86,
517 .ep_audio_w = 0x02,
518 },
519 [LINE6_PODHDDESKTOP] = {
520 .id = "PODHDDESKTOP",
521 .name = "POD HDDESKTOP",
522 .capabilities = LINE6_CAP_CONTROL
523 | LINE6_CAP_PCM | LINE6_CAP_HWMON,
524 .altsetting = 1,
525 .ep_ctrl_r = 0x81,
526 .ep_ctrl_w = 0x01,
527 .ctrl_if = 1,
528 .ep_audio_r = 0x86,
529 .ep_audio_w = 0x02,
530 },
531};
532
533
534
535
536static int podhd_probe(struct usb_interface *interface,
537 const struct usb_device_id *id)
538{
539 return line6_probe(interface, id, "Line6-PODHD",
540 &podhd_properties_table[id->driver_info],
541 podhd_init, sizeof(struct usb_line6_podhd));
542}
543
544static struct usb_driver podhd_driver = {
545 .name = KBUILD_MODNAME,
546 .probe = podhd_probe,
547 .disconnect = line6_disconnect,
548#ifdef CONFIG_PM
549 .suspend = line6_suspend,
550 .resume = line6_resume,
551 .reset_resume = line6_resume,
552#endif
553 .id_table = podhd_id_table,
554};
555
556module_usb_driver(podhd_driver);
557
558MODULE_DESCRIPTION("Line 6 PODHD USB driver");
559MODULE_LICENSE("GPL");
560
