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 snd_printk(KERN_ERR PREFIX "Invalid channel in volume control.");
201 if (rt->output_vol[ch] != ucontrol->value.integer.value[0]) {
202 rt->output_vol[ch] = ucontrol->value.integer.value[0];
203 rt->ovol_updated &= ~(1 << ch);
206 if (rt->output_vol[ch + 1] != ucontrol->value.integer.value[1]) {
207 rt->output_vol[ch + 1] = ucontrol->value.integer.value[1];
208 rt->ovol_updated &= ~(2 << ch);
213 usb6fire_control_output_vol_update(rt);
218 static int usb6fire_control_output_vol_get(struct snd_kcontrol *kcontrol,
219 struct snd_ctl_elem_value *ucontrol)
221 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
222 unsigned int ch = kcontrol->private_value;
225 snd_printk(KERN_ERR PREFIX "Invalid channel in volume control.");
229 ucontrol->value.integer.value[0] = rt->output_vol[ch];
230 ucontrol->value.integer.value[1] = rt->output_vol[ch + 1];
234 static int usb6fire_control_output_mute_put(struct snd_kcontrol *kcontrol,
235 struct snd_ctl_elem_value *ucontrol)
237 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
238 unsigned int ch = kcontrol->private_value;
239 u8 old = rt->output_mute;
243 snd_printk(KERN_ERR PREFIX "Invalid channel in volume control.");
247 rt->output_mute &= ~(3 << ch);
248 if (ucontrol->value.integer.value[0])
250 if (ucontrol->value.integer.value[1])
252 rt->output_mute |= value << ch;
254 if (rt->output_mute != old)
255 usb6fire_control_output_mute_update(rt);
257 return rt->output_mute != old;
260 static int usb6fire_control_output_mute_get(struct snd_kcontrol *kcontrol,
261 struct snd_ctl_elem_value *ucontrol)
263 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
264 unsigned int ch = kcontrol->private_value;
265 u8 value = rt->output_mute >> ch;
268 snd_printk(KERN_ERR PREFIX "Invalid channel in volume control.");
272 ucontrol->value.integer.value[0] = 1 & value;
274 ucontrol->value.integer.value[1] = 1 & value;
279 static int usb6fire_control_input_vol_info(struct snd_kcontrol *kcontrol,
280 struct snd_ctl_elem_info *uinfo)
282 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
284 uinfo->value.integer.min = 0;
285 uinfo->value.integer.max = 30;
289 static int usb6fire_control_input_vol_put(struct snd_kcontrol *kcontrol,
290 struct snd_ctl_elem_value *ucontrol)
292 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
295 if (rt->input_vol[0] != ucontrol->value.integer.value[0]) {
296 rt->input_vol[0] = ucontrol->value.integer.value[0] - 15;
297 rt->ivol_updated &= ~(1 << 0);
300 if (rt->input_vol[1] != ucontrol->value.integer.value[1]) {
301 rt->input_vol[1] = ucontrol->value.integer.value[1] - 15;
302 rt->ivol_updated &= ~(1 << 1);
307 usb6fire_control_input_vol_update(rt);
312 static int usb6fire_control_input_vol_get(struct snd_kcontrol *kcontrol,
313 struct snd_ctl_elem_value *ucontrol)
315 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
317 ucontrol->value.integer.value[0] = rt->input_vol[0] + 15;
318 ucontrol->value.integer.value[1] = rt->input_vol[1] + 15;
323 static int usb6fire_control_line_phono_info(struct snd_kcontrol *kcontrol,
324 struct snd_ctl_elem_info *uinfo)
326 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
328 uinfo->value.enumerated.items = 2;
329 if (uinfo->value.enumerated.item > 1)
330 uinfo->value.enumerated.item = 1;
331 strcpy(uinfo->value.enumerated.name,
332 line_phono_texts[uinfo->value.enumerated.item]);
336 static int usb6fire_control_line_phono_put(struct snd_kcontrol *kcontrol,
337 struct snd_ctl_elem_value *ucontrol)
339 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
341 if (rt->line_phono_switch != ucontrol->value.integer.value[0]) {
342 rt->line_phono_switch = ucontrol->value.integer.value[0];
343 usb6fire_control_line_phono_update(rt);
349 static int usb6fire_control_line_phono_get(struct snd_kcontrol *kcontrol,
350 struct snd_ctl_elem_value *ucontrol)
352 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
353 ucontrol->value.integer.value[0] = rt->line_phono_switch;
357 static int usb6fire_control_opt_coax_info(struct snd_kcontrol *kcontrol,
358 struct snd_ctl_elem_info *uinfo)
360 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
362 uinfo->value.enumerated.items = 2;
363 if (uinfo->value.enumerated.item > 1)
364 uinfo->value.enumerated.item = 1;
365 strcpy(uinfo->value.enumerated.name,
366 opt_coax_texts[uinfo->value.enumerated.item]);
370 static int usb6fire_control_opt_coax_put(struct snd_kcontrol *kcontrol,
371 struct snd_ctl_elem_value *ucontrol)
373 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
376 if (rt->opt_coax_switch != ucontrol->value.enumerated.item[0]) {
377 rt->opt_coax_switch = ucontrol->value.enumerated.item[0];
378 usb6fire_control_opt_coax_update(rt);
384 static int usb6fire_control_opt_coax_get(struct snd_kcontrol *kcontrol,
385 struct snd_ctl_elem_value *ucontrol)
387 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
388 ucontrol->value.enumerated.item[0] = rt->opt_coax_switch;
392 static int usb6fire_control_digital_thru_put(struct snd_kcontrol *kcontrol,
393 struct snd_ctl_elem_value *ucontrol)
395 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
398 if (rt->digital_thru_switch != ucontrol->value.integer.value[0]) {
399 rt->digital_thru_switch = ucontrol->value.integer.value[0];
400 usb6fire_control_streaming_update(rt);
406 static int usb6fire_control_digital_thru_get(struct snd_kcontrol *kcontrol,
407 struct snd_ctl_elem_value *ucontrol)
409 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
410 ucontrol->value.integer.value[0] = rt->digital_thru_switch;
414 static struct snd_kcontrol_new vol_elements[] = {
416 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
417 .name = "Analog Playback Volume",
420 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
421 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
422 .info = usb6fire_control_output_vol_info,
423 .get = usb6fire_control_output_vol_get,
424 .put = usb6fire_control_output_vol_put,
425 .tlv = { .p = tlv_output }
428 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
429 .name = "Analog Playback Volume",
432 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
433 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
434 .info = usb6fire_control_output_vol_info,
435 .get = usb6fire_control_output_vol_get,
436 .put = usb6fire_control_output_vol_put,
437 .tlv = { .p = tlv_output }
440 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
441 .name = "Analog Playback Volume",
444 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
445 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
446 .info = usb6fire_control_output_vol_info,
447 .get = usb6fire_control_output_vol_get,
448 .put = usb6fire_control_output_vol_put,
449 .tlv = { .p = tlv_output }
454 static struct snd_kcontrol_new mute_elements[] = {
456 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
457 .name = "Analog Playback Switch",
460 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
461 .info = snd_ctl_boolean_stereo_info,
462 .get = usb6fire_control_output_mute_get,
463 .put = usb6fire_control_output_mute_put,
466 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
467 .name = "Analog Playback Switch",
470 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
471 .info = snd_ctl_boolean_stereo_info,
472 .get = usb6fire_control_output_mute_get,
473 .put = usb6fire_control_output_mute_put,
476 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
477 .name = "Analog Playback Switch",
480 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
481 .info = snd_ctl_boolean_stereo_info,
482 .get = usb6fire_control_output_mute_get,
483 .put = usb6fire_control_output_mute_put,
488 static struct snd_kcontrol_new elements[] = {
490 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
491 .name = "Line/Phono Capture Route",
493 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
494 .info = usb6fire_control_line_phono_info,
495 .get = usb6fire_control_line_phono_get,
496 .put = usb6fire_control_line_phono_put
499 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
500 .name = "Opt/Coax Capture Route",
502 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
503 .info = usb6fire_control_opt_coax_info,
504 .get = usb6fire_control_opt_coax_get,
505 .put = usb6fire_control_opt_coax_put
508 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
509 .name = "Digital Thru Playback Route",
511 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
512 .info = snd_ctl_boolean_mono_info,
513 .get = usb6fire_control_digital_thru_get,
514 .put = usb6fire_control_digital_thru_put
517 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
518 .name = "Analog Capture Volume",
520 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
521 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
522 .info = usb6fire_control_input_vol_info,
523 .get = usb6fire_control_input_vol_get,
524 .put = usb6fire_control_input_vol_put,
525 .tlv = { .p = tlv_input }
530 static int usb6fire_control_add_virtual(
531 struct control_runtime *rt,
532 struct snd_card *card,
534 struct snd_kcontrol_new *elems)
538 struct snd_kcontrol *vmaster =
539 snd_ctl_make_virtual_master(name, tlv_output);
540 struct snd_kcontrol *control;
544 ret = snd_ctl_add(card, vmaster);
549 while (elems[i].name) {
550 control = snd_ctl_new1(&elems[i], rt);
553 ret = snd_ctl_add(card, control);
556 ret = snd_ctl_add_slave(vmaster, control);
564 int usb6fire_control_init(struct sfire_chip *chip)
568 struct control_runtime *rt = kzalloc(sizeof(struct control_runtime),
570 struct comm_runtime *comm_rt = chip->comm;
576 rt->update_streaming = usb6fire_control_streaming_update;
577 rt->set_rate = usb6fire_control_set_rate;
578 rt->set_channels = usb6fire_control_set_channels;
581 while (init_data[i].type) {
582 comm_rt->write8(comm_rt, init_data[i].type, init_data[i].reg,
587 usb6fire_control_opt_coax_update(rt);
588 usb6fire_control_line_phono_update(rt);
589 usb6fire_control_output_vol_update(rt);
590 usb6fire_control_output_mute_update(rt);
591 usb6fire_control_input_vol_update(rt);
592 usb6fire_control_streaming_update(rt);
594 ret = usb6fire_control_add_virtual(rt, chip->card,
595 "Master Playback Volume", vol_elements);
597 snd_printk(KERN_ERR PREFIX "cannot add control.\n");
601 ret = usb6fire_control_add_virtual(rt, chip->card,
602 "Master Playback Switch", mute_elements);
604 snd_printk(KERN_ERR PREFIX "cannot add control.\n");
610 while (elements[i].name) {
611 ret = snd_ctl_add(chip->card, snd_ctl_new1(&elements[i], rt));
614 snd_printk(KERN_ERR PREFIX "cannot add control.\n");
624 void usb6fire_control_abort(struct sfire_chip *chip)
627 void usb6fire_control_destroy(struct sfire_chip *chip)
629 kfree(chip->control);
630 chip->control = NULL;