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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;
187 int i;
188 struct usb_device *usbdev = pod->line6.usbdev;
189
190 init_bytes = kmalloc(8, GFP_KERNEL);
191 if (!init_bytes)
192 return -ENOMEM;
193
194 ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0),
195 0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
196 0x11, 0,
197 NULL, 0, LINE6_TIMEOUT * HZ);
198 if (ret < 0) {
199 dev_err(pod->line6.ifcdev, "read request failed (error %d)\n", ret);
200 goto exit;
201 }
202
203
204 ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67,
205 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
206 0x11, 0x0,
207 init_bytes, 3, LINE6_TIMEOUT * HZ);
208 if (ret < 0) {
209 dev_err(pod->line6.ifcdev,
210 "receive length failed (error %d)\n", ret);
211 goto exit;
212 }
213
214 pod->firmware_version =
215 (init_bytes[0] << 16) | (init_bytes[1] << 8) | (init_bytes[2] << 0);
216
217 for (i = 0; i <= 16; i++) {
218 ret = line6_read_data(&pod->line6, 0xf000 + 0x08 * i, init_bytes, 8);
219 if (ret < 0)
220 goto exit;
221 }
222
223 ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0),
224 USB_REQ_SET_FEATURE,
225 USB_TYPE_STANDARD | USB_RECIP_DEVICE | USB_DIR_OUT,
226 1, 0,
227 NULL, 0, LINE6_TIMEOUT * HZ);
228exit:
229 kfree(init_bytes);
230 return ret;
231}
232
233static void podhd_startup(struct usb_line6 *line6)
234{
235 struct usb_line6_podhd *pod = line6_to_podhd(line6);
236
237 podhd_dev_start(pod);
238 line6_read_serial_number(&pod->line6, &pod->serial_number);
239 if (snd_card_register(line6->card))
240 dev_err(line6->ifcdev, "Failed to register POD HD card.\n");
241}
242
243static void podhd_disconnect(struct usb_line6 *line6)
244{
245 struct usb_line6_podhd *pod = line6_to_podhd(line6);
246
247 if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL_INFO) {
248 struct usb_interface *intf;
249
250 intf = usb_ifnum_to_if(line6->usbdev,
251 pod->line6.properties->ctrl_if);
252 if (intf)
253 usb_driver_release_interface(&podhd_driver, intf);
254 }
255}
256
257static const unsigned int float_zero_to_one_lookup[] = {
2580x00000000, 0x3c23d70a, 0x3ca3d70a, 0x3cf5c28f, 0x3d23d70a, 0x3d4ccccd,
2590x3d75c28f, 0x3d8f5c29, 0x3da3d70a, 0x3db851ec, 0x3dcccccd, 0x3de147ae,
2600x3df5c28f, 0x3e051eb8, 0x3e0f5c29, 0x3e19999a, 0x3e23d70a, 0x3e2e147b,
2610x3e3851ec, 0x3e428f5c, 0x3e4ccccd, 0x3e570a3d, 0x3e6147ae, 0x3e6b851f,
2620x3e75c28f, 0x3e800000, 0x3e851eb8, 0x3e8a3d71, 0x3e8f5c29, 0x3e947ae1,
2630x3e99999a, 0x3e9eb852, 0x3ea3d70a, 0x3ea8f5c3, 0x3eae147b, 0x3eb33333,
2640x3eb851ec, 0x3ebd70a4, 0x3ec28f5c, 0x3ec7ae14, 0x3ecccccd, 0x3ed1eb85,
2650x3ed70a3d, 0x3edc28f6, 0x3ee147ae, 0x3ee66666, 0x3eeb851f, 0x3ef0a3d7,
2660x3ef5c28f, 0x3efae148, 0x3f000000, 0x3f028f5c, 0x3f051eb8, 0x3f07ae14,
2670x3f0a3d71, 0x3f0ccccd, 0x3f0f5c29, 0x3f11eb85, 0x3f147ae1, 0x3f170a3d,
2680x3f19999a, 0x3f1c28f6, 0x3f1eb852, 0x3f2147ae, 0x3f23d70a, 0x3f266666,
2690x3f28f5c3, 0x3f2b851f, 0x3f2e147b, 0x3f30a3d7, 0x3f333333, 0x3f35c28f,
2700x3f3851ec, 0x3f3ae148, 0x3f3d70a4, 0x3f400000, 0x3f428f5c, 0x3f451eb8,
2710x3f47ae14, 0x3f4a3d71, 0x3f4ccccd, 0x3f4f5c29, 0x3f51eb85, 0x3f547ae1,
2720x3f570a3d, 0x3f59999a, 0x3f5c28f6, 0x3f5eb852, 0x3f6147ae, 0x3f63d70a,
2730x3f666666, 0x3f68f5c3, 0x3f6b851f, 0x3f6e147b, 0x3f70a3d7, 0x3f733333,
2740x3f75c28f, 0x3f7851ec, 0x3f7ae148, 0x3f7d70a4, 0x3f800000
275};
276
277static void podhd_set_monitor_level(struct usb_line6_podhd *podhd, int value)
278{
279 unsigned int fl;
280 static const unsigned char msg[16] = {
281
282 0x0c, 0x00,
283
284 0x01, 0x00,
285
286 0x02, 0x00,
287
288 0x04, 0x41,
289
290 0x04, 0x00, 0x13, 0x00,
291
292 0x00, 0x00, 0x00, 0x00
293 };
294 unsigned char *buf;
295
296 buf = kmemdup(msg, sizeof(msg), GFP_KERNEL);
297 if (!buf)
298 return;
299
300 if (value < 0)
301 value = 0;
302
303 if (value >= ARRAY_SIZE(float_zero_to_one_lookup))
304 value = ARRAY_SIZE(float_zero_to_one_lookup) - 1;
305
306 fl = float_zero_to_one_lookup[value];
307
308 buf[12] = (fl >> 0) & 0xff;
309 buf[13] = (fl >> 8) & 0xff;
310 buf[14] = (fl >> 16) & 0xff;
311 buf[15] = (fl >> 24) & 0xff;
312
313 line6_send_raw_message(&podhd->line6, buf, sizeof(msg));
314 kfree(buf);
315
316 podhd->monitor_level = value;
317}
318
319
320static int snd_podhd_control_monitor_info(struct snd_kcontrol *kcontrol,
321 struct snd_ctl_elem_info *uinfo)
322{
323 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
324 uinfo->count = 1;
325 uinfo->value.integer.min = 0;
326 uinfo->value.integer.max = 100;
327 uinfo->value.integer.step = 1;
328 return 0;
329}
330
331
332static int snd_podhd_control_monitor_get(struct snd_kcontrol *kcontrol,
333 struct snd_ctl_elem_value *ucontrol)
334{
335 struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
336 struct usb_line6_podhd *podhd = line6_to_podhd(line6pcm->line6);
337
338 ucontrol->value.integer.value[0] = podhd->monitor_level;
339 return 0;
340}
341
342
343static int snd_podhd_control_monitor_put(struct snd_kcontrol *kcontrol,
344 struct snd_ctl_elem_value *ucontrol)
345{
346 struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
347 struct usb_line6_podhd *podhd = line6_to_podhd(line6pcm->line6);
348
349 if (ucontrol->value.integer.value[0] == podhd->monitor_level)
350 return 0;
351
352 podhd_set_monitor_level(podhd, ucontrol->value.integer.value[0]);
353 return 1;
354}
355
356
357static const struct snd_kcontrol_new podhd_control_monitor = {
358 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
359 .name = "Monitor Playback Volume",
360 .index = 0,
361 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
362 .info = snd_podhd_control_monitor_info,
363 .get = snd_podhd_control_monitor_get,
364 .put = snd_podhd_control_monitor_put
365};
366
367
368
369
370static int podhd_init(struct usb_line6 *line6,
371 const struct usb_device_id *id)
372{
373 int err;
374 struct usb_line6_podhd *pod = line6_to_podhd(line6);
375 struct usb_interface *intf;
376
377 line6->disconnect = podhd_disconnect;
378 line6->startup = podhd_startup;
379
380 if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL) {
381
382 intf = usb_ifnum_to_if(line6->usbdev,
383 pod->line6.properties->ctrl_if);
384 if (!intf) {
385 dev_err(pod->line6.ifcdev, "interface %d not found\n",
386 pod->line6.properties->ctrl_if);
387 return -ENODEV;
388 }
389
390 err = usb_driver_claim_interface(&podhd_driver, intf, NULL);
391 if (err != 0) {
392 dev_err(pod->line6.ifcdev, "can't claim interface %d, error %d\n",
393 pod->line6.properties->ctrl_if, err);
394 return err;
395 }
396 }
397
398 if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL_INFO) {
399
400 err = snd_card_add_dev_attr(line6->card, &podhd_dev_attr_group);
401 if (err < 0)
402 return err;
403 }
404
405 if (pod->line6.properties->capabilities & LINE6_CAP_PCM) {
406
407 err = line6_init_pcm(line6,
408 (id->driver_info == LINE6_PODX3 ||
409 id->driver_info == LINE6_PODX3LIVE) ? &podx3_pcm_properties :
410 &podhd_pcm_properties);
411 if (err < 0)
412 return err;
413 }
414
415 if (pod->line6.properties->capabilities & LINE6_CAP_HWMON_CTL) {
416 podhd_set_monitor_level(pod, 100);
417 err = snd_ctl_add(line6->card,
418 snd_ctl_new1(&podhd_control_monitor,
419 line6->line6pcm));
420 if (err < 0)
421 return err;
422 }
423
424 if (!(pod->line6.properties->capabilities & LINE6_CAP_CONTROL_INFO)) {
425
426 return snd_card_register(line6->card);
427 }
428
429
430 schedule_delayed_work(&line6->startup_work,
431 msecs_to_jiffies(PODHD_STARTUP_DELAY));
432 return 0;
433}
434
435#define LINE6_DEVICE(prod) USB_DEVICE(0x0e41, prod)
436#define LINE6_IF_NUM(prod, n) USB_DEVICE_INTERFACE_NUMBER(0x0e41, prod, n)
437
438
439static const struct usb_device_id podhd_id_table[] = {
440
441 { LINE6_DEVICE(0x5057), .driver_info = LINE6_PODHD300 },
442 { LINE6_DEVICE(0x5058), .driver_info = LINE6_PODHD400 },
443 { LINE6_IF_NUM(0x414D, 0), .driver_info = LINE6_PODHD500 },
444 { LINE6_IF_NUM(0x414A, 0), .driver_info = LINE6_PODX3 },
445 { LINE6_IF_NUM(0x414B, 0), .driver_info = LINE6_PODX3LIVE },
446 { LINE6_IF_NUM(0x4159, 0), .driver_info = LINE6_PODHD500X },
447 { LINE6_IF_NUM(0x4156, 0), .driver_info = LINE6_PODHDDESKTOP },
448 {}
449};
450
451MODULE_DEVICE_TABLE(usb, podhd_id_table);
452
453static const struct line6_properties podhd_properties_table[] = {
454 [LINE6_PODHD300] = {
455 .id = "PODHD300",
456 .name = "POD HD300",
457 .capabilities = LINE6_CAP_PCM
458 | LINE6_CAP_HWMON,
459 .altsetting = 5,
460 .ep_ctrl_r = 0x84,
461 .ep_ctrl_w = 0x03,
462 .ep_audio_r = 0x82,
463 .ep_audio_w = 0x01,
464 },
465 [LINE6_PODHD400] = {
466 .id = "PODHD400",
467 .name = "POD HD400",
468 .capabilities = LINE6_CAP_PCM
469 | LINE6_CAP_HWMON,
470 .altsetting = 5,
471 .ep_ctrl_r = 0x84,
472 .ep_ctrl_w = 0x03,
473 .ep_audio_r = 0x82,
474 .ep_audio_w = 0x01,
475 },
476 [LINE6_PODHD500] = {
477 .id = "PODHD500",
478 .name = "POD HD500",
479 .capabilities = LINE6_CAP_PCM | LINE6_CAP_CONTROL
480 | LINE6_CAP_HWMON | LINE6_CAP_HWMON_CTL,
481 .altsetting = 1,
482 .ctrl_if = 1,
483 .ep_ctrl_r = 0x81,
484 .ep_ctrl_w = 0x01,
485 .ep_audio_r = 0x86,
486 .ep_audio_w = 0x02,
487 },
488 [LINE6_PODX3] = {
489 .id = "PODX3",
490 .name = "POD X3",
491 .capabilities = LINE6_CAP_CONTROL | LINE6_CAP_CONTROL_INFO
492 | LINE6_CAP_PCM | LINE6_CAP_HWMON | LINE6_CAP_IN_NEEDS_OUT,
493 .altsetting = 1,
494 .ep_ctrl_r = 0x81,
495 .ep_ctrl_w = 0x01,
496 .ctrl_if = 1,
497 .ep_audio_r = 0x86,
498 .ep_audio_w = 0x02,
499 },
500 [LINE6_PODX3LIVE] = {
501 .id = "PODX3LIVE",
502 .name = "POD X3 LIVE",
503 .capabilities = LINE6_CAP_CONTROL | LINE6_CAP_CONTROL_INFO
504 | LINE6_CAP_PCM | LINE6_CAP_HWMON | LINE6_CAP_IN_NEEDS_OUT,
505 .altsetting = 1,
506 .ep_ctrl_r = 0x81,
507 .ep_ctrl_w = 0x01,
508 .ctrl_if = 1,
509 .ep_audio_r = 0x86,
510 .ep_audio_w = 0x02,
511 },
512 [LINE6_PODHD500X] = {
513 .id = "PODHD500X",
514 .name = "POD HD500X",
515 .capabilities = LINE6_CAP_CONTROL
516 | LINE6_CAP_PCM | LINE6_CAP_HWMON,
517 .altsetting = 1,
518 .ep_ctrl_r = 0x81,
519 .ep_ctrl_w = 0x01,
520 .ctrl_if = 1,
521 .ep_audio_r = 0x86,
522 .ep_audio_w = 0x02,
523 },
524 [LINE6_PODHDDESKTOP] = {
525 .id = "PODHDDESKTOP",
526 .name = "POD HDDESKTOP",
527 .capabilities = LINE6_CAP_CONTROL
528 | LINE6_CAP_PCM | LINE6_CAP_HWMON,
529 .altsetting = 1,
530 .ep_ctrl_r = 0x81,
531 .ep_ctrl_w = 0x01,
532 .ctrl_if = 1,
533 .ep_audio_r = 0x86,
534 .ep_audio_w = 0x02,
535 },
536};
537
538
539
540
541static int podhd_probe(struct usb_interface *interface,
542 const struct usb_device_id *id)
543{
544 return line6_probe(interface, id, "Line6-PODHD",
545 &podhd_properties_table[id->driver_info],
546 podhd_init, sizeof(struct usb_line6_podhd));
547}
548
549static struct usb_driver podhd_driver = {
550 .name = KBUILD_MODNAME,
551 .probe = podhd_probe,
552 .disconnect = line6_disconnect,
553#ifdef CONFIG_PM
554 .suspend = line6_suspend,
555 .resume = line6_resume,
556 .reset_resume = line6_resume,
557#endif
558 .id_table = podhd_id_table,
559};
560
561module_usb_driver(podhd_driver);
562
563MODULE_DESCRIPTION("Line 6 PODHD USB driver");
564MODULE_LICENSE("GPL");
565
