2 * Linux driver for TerraTec DMX 6Fire USB
6 * Author: Torsten Schenk <torsten.schenk@zoho.com>
7 * Created: Jan 01, 2011
8 * Copyright: (C) Torsten Schenk
11 * - Holger Ruckdeschel: he found out how to control individual channel
12 * volumes and introduced mute switch
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
20 #include <linux/interrupt.h>
21 #include <sound/control.h>
22 #include <sound/tlv.h>
28 static char *opt_coax_texts[2] = { "Optical", "Coax" };
29 static char *line_phono_texts[2] = { "Line", "Phono" };
32 * data that needs to be sent to device. sets up card internal stuff.
33 * values dumped from windows driver and filtered by trial'n'error.
41 { 0x22, 0x00, 0x00 }, { 0x20, 0x00, 0x08 }, { 0x22, 0x01, 0x01 },
42 { 0x20, 0x01, 0x08 }, { 0x22, 0x02, 0x00 }, { 0x20, 0x02, 0x08 },
43 { 0x22, 0x03, 0x00 }, { 0x20, 0x03, 0x08 }, { 0x22, 0x04, 0x00 },
44 { 0x20, 0x04, 0x08 }, { 0x22, 0x05, 0x01 }, { 0x20, 0x05, 0x08 },
45 { 0x22, 0x04, 0x01 }, { 0x12, 0x04, 0x00 }, { 0x12, 0x05, 0x00 },
46 { 0x12, 0x0d, 0x38 }, { 0x12, 0x21, 0x82 }, { 0x12, 0x22, 0x80 },
47 { 0x12, 0x23, 0x00 }, { 0x12, 0x06, 0x02 }, { 0x12, 0x03, 0x00 },
48 { 0x12, 0x02, 0x00 }, { 0x22, 0x03, 0x01 },
49 { 0 } /* TERMINATING ENTRY */
52 static const int rates_altsetting[] = { 1, 1, 2, 2, 3, 3 };
53 /* values to write to soundcard register for all samplerates */
54 static const u16 rates_6fire_vl[] = {0x00, 0x01, 0x00, 0x01, 0x00, 0x01};
55 static const u16 rates_6fire_vh[] = {0x11, 0x11, 0x10, 0x10, 0x00, 0x00};
57 static DECLARE_TLV_DB_MINMAX(tlv_output, -9000, 0);
58 static DECLARE_TLV_DB_MINMAX(tlv_input, -1500, 1500);
61 DIGITAL_THRU_ONLY_SAMPLERATE = 3
64 static void usb6fire_control_output_vol_update(struct control_runtime *rt)
66 struct comm_runtime *comm_rt = rt->chip->comm;
70 for (i = 0; i < 6; i++)
71 if (!(rt->ovol_updated & (1 << i))) {
72 comm_rt->write8(comm_rt, 0x12, 0x0f + i,
73 180 - rt->output_vol[i]);
74 rt->ovol_updated |= 1 << i;
78 static void usb6fire_control_output_mute_update(struct control_runtime *rt)
80 struct comm_runtime *comm_rt = rt->chip->comm;
83 comm_rt->write8(comm_rt, 0x12, 0x0e, ~rt->output_mute);
86 static void usb6fire_control_input_vol_update(struct control_runtime *rt)
88 struct comm_runtime *comm_rt = rt->chip->comm;
92 for (i = 0; i < 2; i++)
93 if (!(rt->ivol_updated & (1 << i))) {
94 comm_rt->write8(comm_rt, 0x12, 0x1c + i,
95 rt->input_vol[i] & 0x3f);
96 rt->ivol_updated |= 1 << i;
100 static void usb6fire_control_line_phono_update(struct control_runtime *rt)
102 struct comm_runtime *comm_rt = rt->chip->comm;
104 comm_rt->write8(comm_rt, 0x22, 0x02, rt->line_phono_switch);
105 comm_rt->write8(comm_rt, 0x21, 0x02, rt->line_phono_switch);
109 static void usb6fire_control_opt_coax_update(struct control_runtime *rt)
111 struct comm_runtime *comm_rt = rt->chip->comm;
113 comm_rt->write8(comm_rt, 0x22, 0x00, rt->opt_coax_switch);
114 comm_rt->write8(comm_rt, 0x21, 0x00, rt->opt_coax_switch);
118 static int usb6fire_control_set_rate(struct control_runtime *rt, int rate)
121 struct usb_device *device = rt->chip->dev;
122 struct comm_runtime *comm_rt = rt->chip->comm;
124 if (rate < 0 || rate >= CONTROL_N_RATES)
127 ret = usb_set_interface(device, 1, rates_altsetting[rate]);
131 /* set soundcard clock */
132 ret = comm_rt->write16(comm_rt, 0x02, 0x01, rates_6fire_vl[rate],
133 rates_6fire_vh[rate]);
140 static int usb6fire_control_set_channels(
141 struct control_runtime *rt, int n_analog_out,
142 int n_analog_in, bool spdif_out, bool spdif_in)
145 struct comm_runtime *comm_rt = rt->chip->comm;
147 /* enable analog inputs and outputs
148 * (one bit per stereo-channel) */
149 ret = comm_rt->write16(comm_rt, 0x02, 0x02,
150 (1 << (n_analog_out / 2)) - 1,
151 (1 << (n_analog_in / 2)) - 1);
155 /* disable digital inputs and outputs */
156 /* TODO: use spdif_x to enable/disable digital channels */
157 ret = comm_rt->write16(comm_rt, 0x02, 0x03, 0x00, 0x00);
164 static int usb6fire_control_streaming_update(struct control_runtime *rt)
166 struct comm_runtime *comm_rt = rt->chip->comm;
169 if (!rt->usb_streaming && rt->digital_thru_switch)
170 usb6fire_control_set_rate(rt,
171 DIGITAL_THRU_ONLY_SAMPLERATE);
172 return comm_rt->write16(comm_rt, 0x02, 0x00, 0x00,
173 (rt->usb_streaming ? 0x01 : 0x00) |
174 (rt->digital_thru_switch ? 0x08 : 0x00));
179 static int usb6fire_control_output_vol_info(struct snd_kcontrol *kcontrol,
180 struct snd_ctl_elem_info *uinfo)
182 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
184 uinfo->value.integer.min = 0;
185 uinfo->value.integer.max = 180;
189 static int usb6fire_control_output_vol_put(struct snd_kcontrol *kcontrol,
190 struct snd_ctl_elem_value *ucontrol)
192 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
193 unsigned int ch = kcontrol->private_value;
197 dev_err(&rt->chip->dev->dev,
198 "Invalid channel in volume control.");
202 if (rt->output_vol[ch] != ucontrol->value.integer.value[0]) {
203 rt->output_vol[ch] = ucontrol->value.integer.value[0];
204 rt->ovol_updated &= ~(1 << ch);
207 if (rt->output_vol[ch + 1] != ucontrol->value.integer.value[1]) {
208 rt->output_vol[ch + 1] = ucontrol->value.integer.value[1];
209 rt->ovol_updated &= ~(2 << ch);
214 usb6fire_control_output_vol_update(rt);
219 static int usb6fire_control_output_vol_get(struct snd_kcontrol *kcontrol,
220 struct snd_ctl_elem_value *ucontrol)
222 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
223 unsigned int ch = kcontrol->private_value;
226 dev_err(&rt->chip->dev->dev,
227 "Invalid channel in volume control.");
231 ucontrol->value.integer.value[0] = rt->output_vol[ch];
232 ucontrol->value.integer.value[1] = rt->output_vol[ch + 1];
236 static int usb6fire_control_output_mute_put(struct snd_kcontrol *kcontrol,
237 struct snd_ctl_elem_value *ucontrol)
239 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
240 unsigned int ch = kcontrol->private_value;
241 u8 old = rt->output_mute;
245 dev_err(&rt->chip->dev->dev,
246 "Invalid channel in volume control.");
250 rt->output_mute &= ~(3 << ch);
251 if (ucontrol->value.integer.value[0])
253 if (ucontrol->value.integer.value[1])
255 rt->output_mute |= value << ch;
257 if (rt->output_mute != old)
258 usb6fire_control_output_mute_update(rt);
260 return rt->output_mute != old;
263 static int usb6fire_control_output_mute_get(struct snd_kcontrol *kcontrol,
264 struct snd_ctl_elem_value *ucontrol)
266 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
267 unsigned int ch = kcontrol->private_value;
268 u8 value = rt->output_mute >> ch;
271 dev_err(&rt->chip->dev->dev,
272 "Invalid channel in volume control.");
276 ucontrol->value.integer.value[0] = 1 & value;
278 ucontrol->value.integer.value[1] = 1 & value;
283 static int usb6fire_control_input_vol_info(struct snd_kcontrol *kcontrol,
284 struct snd_ctl_elem_info *uinfo)
286 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
288 uinfo->value.integer.min = 0;
289 uinfo->value.integer.max = 30;
293 static int usb6fire_control_input_vol_put(struct snd_kcontrol *kcontrol,
294 struct snd_ctl_elem_value *ucontrol)
296 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
299 if (rt->input_vol[0] != ucontrol->value.integer.value[0]) {
300 rt->input_vol[0] = ucontrol->value.integer.value[0] - 15;
301 rt->ivol_updated &= ~(1 << 0);
304 if (rt->input_vol[1] != ucontrol->value.integer.value[1]) {
305 rt->input_vol[1] = ucontrol->value.integer.value[1] - 15;
306 rt->ivol_updated &= ~(1 << 1);
311 usb6fire_control_input_vol_update(rt);
316 static int usb6fire_control_input_vol_get(struct snd_kcontrol *kcontrol,
317 struct snd_ctl_elem_value *ucontrol)
319 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
321 ucontrol->value.integer.value[0] = rt->input_vol[0] + 15;
322 ucontrol->value.integer.value[1] = rt->input_vol[1] + 15;
327 static int usb6fire_control_line_phono_info(struct snd_kcontrol *kcontrol,
328 struct snd_ctl_elem_info *uinfo)
330 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
332 uinfo->value.enumerated.items = 2;
333 if (uinfo->value.enumerated.item > 1)
334 uinfo->value.enumerated.item = 1;
335 strcpy(uinfo->value.enumerated.name,
336 line_phono_texts[uinfo->value.enumerated.item]);
340 static int usb6fire_control_line_phono_put(struct snd_kcontrol *kcontrol,
341 struct snd_ctl_elem_value *ucontrol)
343 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
345 if (rt->line_phono_switch != ucontrol->value.integer.value[0]) {
346 rt->line_phono_switch = ucontrol->value.integer.value[0];
347 usb6fire_control_line_phono_update(rt);
353 static int usb6fire_control_line_phono_get(struct snd_kcontrol *kcontrol,
354 struct snd_ctl_elem_value *ucontrol)
356 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
357 ucontrol->value.integer.value[0] = rt->line_phono_switch;
361 static int usb6fire_control_opt_coax_info(struct snd_kcontrol *kcontrol,
362 struct snd_ctl_elem_info *uinfo)
364 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
366 uinfo->value.enumerated.items = 2;
367 if (uinfo->value.enumerated.item > 1)
368 uinfo->value.enumerated.item = 1;
369 strcpy(uinfo->value.enumerated.name,
370 opt_coax_texts[uinfo->value.enumerated.item]);
374 static int usb6fire_control_opt_coax_put(struct snd_kcontrol *kcontrol,
375 struct snd_ctl_elem_value *ucontrol)
377 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
380 if (rt->opt_coax_switch != ucontrol->value.enumerated.item[0]) {
381 rt->opt_coax_switch = ucontrol->value.enumerated.item[0];
382 usb6fire_control_opt_coax_update(rt);
388 static int usb6fire_control_opt_coax_get(struct snd_kcontrol *kcontrol,
389 struct snd_ctl_elem_value *ucontrol)
391 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
392 ucontrol->value.enumerated.item[0] = rt->opt_coax_switch;
396 static int usb6fire_control_digital_thru_put(struct snd_kcontrol *kcontrol,
397 struct snd_ctl_elem_value *ucontrol)
399 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
402 if (rt->digital_thru_switch != ucontrol->value.integer.value[0]) {
403 rt->digital_thru_switch = ucontrol->value.integer.value[0];
404 usb6fire_control_streaming_update(rt);
410 static int usb6fire_control_digital_thru_get(struct snd_kcontrol *kcontrol,
411 struct snd_ctl_elem_value *ucontrol)
413 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
414 ucontrol->value.integer.value[0] = rt->digital_thru_switch;
418 static struct snd_kcontrol_new vol_elements[] = {
420 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
421 .name = "Analog Playback Volume",
424 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
425 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
426 .info = usb6fire_control_output_vol_info,
427 .get = usb6fire_control_output_vol_get,
428 .put = usb6fire_control_output_vol_put,
429 .tlv = { .p = tlv_output }
432 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
433 .name = "Analog Playback Volume",
436 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
437 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
438 .info = usb6fire_control_output_vol_info,
439 .get = usb6fire_control_output_vol_get,
440 .put = usb6fire_control_output_vol_put,
441 .tlv = { .p = tlv_output }
444 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
445 .name = "Analog Playback Volume",
448 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
449 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
450 .info = usb6fire_control_output_vol_info,
451 .get = usb6fire_control_output_vol_get,
452 .put = usb6fire_control_output_vol_put,
453 .tlv = { .p = tlv_output }
458 static struct snd_kcontrol_new mute_elements[] = {
460 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
461 .name = "Analog Playback Switch",
464 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
465 .info = snd_ctl_boolean_stereo_info,
466 .get = usb6fire_control_output_mute_get,
467 .put = usb6fire_control_output_mute_put,
470 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
471 .name = "Analog Playback Switch",
474 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
475 .info = snd_ctl_boolean_stereo_info,
476 .get = usb6fire_control_output_mute_get,
477 .put = usb6fire_control_output_mute_put,
480 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
481 .name = "Analog Playback Switch",
484 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
485 .info = snd_ctl_boolean_stereo_info,
486 .get = usb6fire_control_output_mute_get,
487 .put = usb6fire_control_output_mute_put,
492 static struct snd_kcontrol_new elements[] = {
494 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
495 .name = "Line/Phono Capture Route",
497 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
498 .info = usb6fire_control_line_phono_info,
499 .get = usb6fire_control_line_phono_get,
500 .put = usb6fire_control_line_phono_put
503 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
504 .name = "Opt/Coax Capture Route",
506 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
507 .info = usb6fire_control_opt_coax_info,
508 .get = usb6fire_control_opt_coax_get,
509 .put = usb6fire_control_opt_coax_put
512 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
513 .name = "Digital Thru Playback Route",
515 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
516 .info = snd_ctl_boolean_mono_info,
517 .get = usb6fire_control_digital_thru_get,
518 .put = usb6fire_control_digital_thru_put
521 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
522 .name = "Analog Capture Volume",
524 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
525 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
526 .info = usb6fire_control_input_vol_info,
527 .get = usb6fire_control_input_vol_get,
528 .put = usb6fire_control_input_vol_put,
529 .tlv = { .p = tlv_input }
534 static int usb6fire_control_add_virtual(
535 struct control_runtime *rt,
536 struct snd_card *card,
538 struct snd_kcontrol_new *elems)
542 struct snd_kcontrol *vmaster =
543 snd_ctl_make_virtual_master(name, tlv_output);
544 struct snd_kcontrol *control;
548 ret = snd_ctl_add(card, vmaster);
553 while (elems[i].name) {
554 control = snd_ctl_new1(&elems[i], rt);
557 ret = snd_ctl_add(card, control);
560 ret = snd_ctl_add_slave(vmaster, control);
568 int usb6fire_control_init(struct sfire_chip *chip)
572 struct control_runtime *rt = kzalloc(sizeof(struct control_runtime),
574 struct comm_runtime *comm_rt = chip->comm;
580 rt->update_streaming = usb6fire_control_streaming_update;
581 rt->set_rate = usb6fire_control_set_rate;
582 rt->set_channels = usb6fire_control_set_channels;
585 while (init_data[i].type) {
586 comm_rt->write8(comm_rt, init_data[i].type, init_data[i].reg,
591 usb6fire_control_opt_coax_update(rt);
592 usb6fire_control_line_phono_update(rt);
593 usb6fire_control_output_vol_update(rt);
594 usb6fire_control_output_mute_update(rt);
595 usb6fire_control_input_vol_update(rt);
596 usb6fire_control_streaming_update(rt);
598 ret = usb6fire_control_add_virtual(rt, chip->card,
599 "Master Playback Volume", vol_elements);
601 dev_err(&chip->dev->dev, "cannot add control.\n");
605 ret = usb6fire_control_add_virtual(rt, chip->card,
606 "Master Playback Switch", mute_elements);
608 dev_err(&chip->dev->dev, "cannot add control.\n");
614 while (elements[i].name) {
615 ret = snd_ctl_add(chip->card, snd_ctl_new1(&elements[i], rt));
618 dev_err(&chip->dev->dev, "cannot add control.\n");
628 void usb6fire_control_abort(struct sfire_chip *chip)
631 void usb6fire_control_destroy(struct sfire_chip *chip)
633 kfree(chip->control);
634 chip->control = NULL;