blob: c22cc29e33d7867e551ce98a36f84d9a3f4eed2c [file] [log] [blame]
Torsten Schenkc6d43ba2011-01-24 18:45:30 +01001/*
2 * Linux driver for TerraTec DMX 6Fire USB
3 *
4 * Mixer control
5 *
6 * Author: Torsten Schenk <torsten.schenk@zoho.com>
7 * Created: Jan 01, 2011
Torsten Schenkc6d43ba2011-01-24 18:45:30 +01008 * Copyright: (C) Torsten Schenk
9 *
Torsten Schenkf90ffbf2012-02-22 15:21:12 +010010 * Thanks to:
11 * - Holger Ruckdeschel: he found out how to control individual channel
12 * volumes and introduced mute switch
13 *
Torsten Schenkc6d43ba2011-01-24 18:45:30 +010014 * 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.
18 */
19
20#include <linux/interrupt.h>
21#include <sound/control.h>
Torsten Schenk8e247a92012-02-22 15:20:54 +010022#include <sound/tlv.h>
Torsten Schenkc6d43ba2011-01-24 18:45:30 +010023
24#include "control.h"
25#include "comm.h"
26#include "chip.h"
27
28static char *opt_coax_texts[2] = { "Optical", "Coax" };
29static char *line_phono_texts[2] = { "Line", "Phono" };
30
31/*
Torsten Schenkc6d43ba2011-01-24 18:45:30 +010032 * 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.
34 */
35static const struct {
36 u8 type;
37 u8 reg;
38 u8 value;
39}
40init_data[] = {
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 },
Torsten Schenkf90ffbf2012-02-22 15:21:12 +010046 { 0x12, 0x0d, 0x38 }, { 0x12, 0x21, 0x82 }, { 0x12, 0x22, 0x80 },
Torsten Schenkc6d43ba2011-01-24 18:45:30 +010047 { 0x12, 0x23, 0x00 }, { 0x12, 0x06, 0x02 }, { 0x12, 0x03, 0x00 },
48 { 0x12, 0x02, 0x00 }, { 0x22, 0x03, 0x01 },
49 { 0 } /* TERMINATING ENTRY */
50};
51
Torsten Schenk2475b0d2011-04-04 11:50:53 +020052static const int rates_altsetting[] = { 1, 1, 2, 2, 3, 3 };
53/* values to write to soundcard register for all samplerates */
54static const u16 rates_6fire_vl[] = {0x00, 0x01, 0x00, 0x01, 0x00, 0x01};
55static const u16 rates_6fire_vh[] = {0x11, 0x11, 0x10, 0x10, 0x00, 0x00};
56
Torsten Schenk8e247a92012-02-22 15:20:54 +010057static DECLARE_TLV_DB_MINMAX(tlv_output, -9000, 0);
58
Torsten Schenk2475b0d2011-04-04 11:50:53 +020059enum {
60 DIGITAL_THRU_ONLY_SAMPLERATE = 3
61};
62
Torsten Schenkf90ffbf2012-02-22 15:21:12 +010063static void usb6fire_control_output_vol_update(struct control_runtime *rt)
Torsten Schenkc6d43ba2011-01-24 18:45:30 +010064{
65 struct comm_runtime *comm_rt = rt->chip->comm;
Torsten Schenkf90ffbf2012-02-22 15:21:12 +010066 int i;
67
68 if (comm_rt)
69 for (i = 0; i < 6; i++)
70 if (!(rt->ovol_updated & (1 << i))) {
71 comm_rt->write8(comm_rt, 0x12, 0x0f + i,
72 180 - rt->output_vol[i]);
73 rt->ovol_updated |= 1 << i;
74 }
Torsten Schenkc6d43ba2011-01-24 18:45:30 +010075}
76
77static void usb6fire_control_line_phono_update(struct control_runtime *rt)
78{
79 struct comm_runtime *comm_rt = rt->chip->comm;
80 if (comm_rt) {
81 comm_rt->write8(comm_rt, 0x22, 0x02, rt->line_phono_switch);
82 comm_rt->write8(comm_rt, 0x21, 0x02, rt->line_phono_switch);
83 }
84}
85
86static void usb6fire_control_opt_coax_update(struct control_runtime *rt)
87{
88 struct comm_runtime *comm_rt = rt->chip->comm;
89 if (comm_rt) {
90 comm_rt->write8(comm_rt, 0x22, 0x00, rt->opt_coax_switch);
91 comm_rt->write8(comm_rt, 0x21, 0x00, rt->opt_coax_switch);
92 }
93}
94
Torsten Schenk2475b0d2011-04-04 11:50:53 +020095static int usb6fire_control_set_rate(struct control_runtime *rt, int rate)
96{
97 int ret;
98 struct usb_device *device = rt->chip->dev;
99 struct comm_runtime *comm_rt = rt->chip->comm;
100
101 if (rate < 0 || rate >= CONTROL_N_RATES)
102 return -EINVAL;
103
104 ret = usb_set_interface(device, 1, rates_altsetting[rate]);
105 if (ret < 0)
106 return ret;
107
108 /* set soundcard clock */
109 ret = comm_rt->write16(comm_rt, 0x02, 0x01, rates_6fire_vl[rate],
110 rates_6fire_vh[rate]);
111 if (ret < 0)
112 return ret;
113
114 return 0;
115}
116
117static int usb6fire_control_set_channels(
118 struct control_runtime *rt, int n_analog_out,
119 int n_analog_in, bool spdif_out, bool spdif_in)
120{
121 int ret;
122 struct comm_runtime *comm_rt = rt->chip->comm;
123
124 /* enable analog inputs and outputs
125 * (one bit per stereo-channel) */
126 ret = comm_rt->write16(comm_rt, 0x02, 0x02,
127 (1 << (n_analog_out / 2)) - 1,
128 (1 << (n_analog_in / 2)) - 1);
129 if (ret < 0)
130 return ret;
131
132 /* disable digital inputs and outputs */
133 /* TODO: use spdif_x to enable/disable digital channels */
134 ret = comm_rt->write16(comm_rt, 0x02, 0x03, 0x00, 0x00);
135 if (ret < 0)
136 return ret;
137
138 return 0;
139}
140
141static int usb6fire_control_streaming_update(struct control_runtime *rt)
142{
143 struct comm_runtime *comm_rt = rt->chip->comm;
144
145 if (comm_rt) {
146 if (!rt->usb_streaming && rt->digital_thru_switch)
147 usb6fire_control_set_rate(rt,
148 DIGITAL_THRU_ONLY_SAMPLERATE);
149 return comm_rt->write16(comm_rt, 0x02, 0x00, 0x00,
150 (rt->usb_streaming ? 0x01 : 0x00) |
151 (rt->digital_thru_switch ? 0x08 : 0x00));
152 }
153 return -EINVAL;
154}
155
Torsten Schenkf90ffbf2012-02-22 15:21:12 +0100156static int usb6fire_control_output_vol_info(struct snd_kcontrol *kcontrol,
Torsten Schenkc6d43ba2011-01-24 18:45:30 +0100157 struct snd_ctl_elem_info *uinfo)
158{
159 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
Torsten Schenkf90ffbf2012-02-22 15:21:12 +0100160 uinfo->count = 2;
Torsten Schenkc6d43ba2011-01-24 18:45:30 +0100161 uinfo->value.integer.min = 0;
Torsten Schenk8e247a92012-02-22 15:20:54 +0100162 uinfo->value.integer.max = 180;
Torsten Schenkc6d43ba2011-01-24 18:45:30 +0100163 return 0;
164}
165
Torsten Schenkf90ffbf2012-02-22 15:21:12 +0100166static int usb6fire_control_output_vol_put(struct snd_kcontrol *kcontrol,
Torsten Schenkc6d43ba2011-01-24 18:45:30 +0100167 struct snd_ctl_elem_value *ucontrol)
168{
169 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
Torsten Schenkf90ffbf2012-02-22 15:21:12 +0100170 unsigned int ch = kcontrol->private_value;
Torsten Schenkc6d43ba2011-01-24 18:45:30 +0100171 int changed = 0;
Torsten Schenkf90ffbf2012-02-22 15:21:12 +0100172
173 if (ch > 4) {
174 snd_printk(KERN_ERR PREFIX "Invalid channel in volume control.");
175 return -EINVAL;
176 }
177
178 if (rt->output_vol[ch] != ucontrol->value.integer.value[0]) {
179 rt->output_vol[ch] = ucontrol->value.integer.value[0];
180 rt->ovol_updated &= ~(1 << ch);
Torsten Schenkc6d43ba2011-01-24 18:45:30 +0100181 changed = 1;
182 }
Torsten Schenkf90ffbf2012-02-22 15:21:12 +0100183 if (rt->output_vol[ch + 1] != ucontrol->value.integer.value[1]) {
184 rt->output_vol[ch + 1] = ucontrol->value.integer.value[1];
185 rt->ovol_updated &= ~(2 << ch);
186 changed = 1;
187 }
188
189 if (changed)
190 usb6fire_control_output_vol_update(rt);
191
Torsten Schenkc6d43ba2011-01-24 18:45:30 +0100192 return changed;
193}
194
Torsten Schenkf90ffbf2012-02-22 15:21:12 +0100195static int usb6fire_control_output_vol_get(struct snd_kcontrol *kcontrol,
Torsten Schenkc6d43ba2011-01-24 18:45:30 +0100196 struct snd_ctl_elem_value *ucontrol)
197{
198 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
Torsten Schenkf90ffbf2012-02-22 15:21:12 +0100199 unsigned int ch = kcontrol->private_value;
200
201 if (ch > 4) {
202 snd_printk(KERN_ERR PREFIX "Invalid channel in volume control.");
203 return -EINVAL;
204 }
205
206 ucontrol->value.integer.value[0] = rt->output_vol[ch];
207 ucontrol->value.integer.value[1] = rt->output_vol[ch + 1];
Torsten Schenkc6d43ba2011-01-24 18:45:30 +0100208 return 0;
209}
210
211static int usb6fire_control_line_phono_info(struct snd_kcontrol *kcontrol,
212 struct snd_ctl_elem_info *uinfo)
213{
214 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
215 uinfo->count = 1;
216 uinfo->value.enumerated.items = 2;
217 if (uinfo->value.enumerated.item > 1)
218 uinfo->value.enumerated.item = 1;
219 strcpy(uinfo->value.enumerated.name,
220 line_phono_texts[uinfo->value.enumerated.item]);
221 return 0;
222}
223
224static int usb6fire_control_line_phono_put(struct snd_kcontrol *kcontrol,
225 struct snd_ctl_elem_value *ucontrol)
226{
227 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
228 int changed = 0;
229 if (rt->line_phono_switch != ucontrol->value.integer.value[0]) {
230 rt->line_phono_switch = ucontrol->value.integer.value[0];
231 usb6fire_control_line_phono_update(rt);
232 changed = 1;
233 }
234 return changed;
235}
236
237static int usb6fire_control_line_phono_get(struct snd_kcontrol *kcontrol,
238 struct snd_ctl_elem_value *ucontrol)
239{
240 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
241 ucontrol->value.integer.value[0] = rt->line_phono_switch;
242 return 0;
243}
244
245static int usb6fire_control_opt_coax_info(struct snd_kcontrol *kcontrol,
246 struct snd_ctl_elem_info *uinfo)
247{
248 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
249 uinfo->count = 1;
250 uinfo->value.enumerated.items = 2;
251 if (uinfo->value.enumerated.item > 1)
252 uinfo->value.enumerated.item = 1;
253 strcpy(uinfo->value.enumerated.name,
254 opt_coax_texts[uinfo->value.enumerated.item]);
255 return 0;
256}
257
258static int usb6fire_control_opt_coax_put(struct snd_kcontrol *kcontrol,
259 struct snd_ctl_elem_value *ucontrol)
260{
261 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
262 int changed = 0;
263
264 if (rt->opt_coax_switch != ucontrol->value.enumerated.item[0]) {
265 rt->opt_coax_switch = ucontrol->value.enumerated.item[0];
266 usb6fire_control_opt_coax_update(rt);
267 changed = 1;
268 }
269 return changed;
270}
271
272static int usb6fire_control_opt_coax_get(struct snd_kcontrol *kcontrol,
273 struct snd_ctl_elem_value *ucontrol)
274{
275 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
276 ucontrol->value.enumerated.item[0] = rt->opt_coax_switch;
277 return 0;
278}
279
Torsten Schenk2475b0d2011-04-04 11:50:53 +0200280static int usb6fire_control_digital_thru_put(struct snd_kcontrol *kcontrol,
281 struct snd_ctl_elem_value *ucontrol)
282{
283 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
284 int changed = 0;
285
286 if (rt->digital_thru_switch != ucontrol->value.integer.value[0]) {
287 rt->digital_thru_switch = ucontrol->value.integer.value[0];
288 usb6fire_control_streaming_update(rt);
289 changed = 1;
290 }
291 return changed;
292}
293
294static int usb6fire_control_digital_thru_get(struct snd_kcontrol *kcontrol,
295 struct snd_ctl_elem_value *ucontrol)
296{
297 struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
298 ucontrol->value.integer.value[0] = rt->digital_thru_switch;
299 return 0;
300}
301
Torsten Schenkf90ffbf2012-02-22 15:21:12 +0100302static struct __devinitdata snd_kcontrol_new vol_elements[] = {
Torsten Schenkc6d43ba2011-01-24 18:45:30 +0100303 {
304 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
Torsten Schenkf90ffbf2012-02-22 15:21:12 +0100305 .name = "Analog Playback Volume",
Torsten Schenkc6d43ba2011-01-24 18:45:30 +0100306 .index = 0,
Torsten Schenkf90ffbf2012-02-22 15:21:12 +0100307 .private_value = 0,
Torsten Schenk8e247a92012-02-22 15:20:54 +0100308 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
309 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
Torsten Schenkf90ffbf2012-02-22 15:21:12 +0100310 .info = usb6fire_control_output_vol_info,
311 .get = usb6fire_control_output_vol_get,
312 .put = usb6fire_control_output_vol_put,
Torsten Schenk8e247a92012-02-22 15:20:54 +0100313 .tlv = { .p = tlv_output }
Torsten Schenkc6d43ba2011-01-24 18:45:30 +0100314 },
315 {
316 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
Torsten Schenkf90ffbf2012-02-22 15:21:12 +0100317 .name = "Analog Playback Volume",
318 .index = 1,
319 .private_value = 2,
320 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
321 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
322 .info = usb6fire_control_output_vol_info,
323 .get = usb6fire_control_output_vol_get,
324 .put = usb6fire_control_output_vol_put,
325 .tlv = { .p = tlv_output }
326 },
327 {
328 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
329 .name = "Analog Playback Volume",
330 .index = 2,
331 .private_value = 4,
332 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
333 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
334 .info = usb6fire_control_output_vol_info,
335 .get = usb6fire_control_output_vol_get,
336 .put = usb6fire_control_output_vol_put,
337 .tlv = { .p = tlv_output }
338 },
339 {}
340};
341
342static struct __devinitdata snd_kcontrol_new elements[] = {
343 {
344 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
Torsten Schenkc6d43ba2011-01-24 18:45:30 +0100345 .name = "Line/Phono Capture Route",
346 .index = 0,
347 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
348 .info = usb6fire_control_line_phono_info,
349 .get = usb6fire_control_line_phono_get,
350 .put = usb6fire_control_line_phono_put
351 },
352 {
353 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
354 .name = "Opt/Coax Capture Route",
355 .index = 0,
356 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
357 .info = usb6fire_control_opt_coax_info,
358 .get = usb6fire_control_opt_coax_get,
359 .put = usb6fire_control_opt_coax_put
360 },
Torsten Schenk2475b0d2011-04-04 11:50:53 +0200361 {
362 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
363 .name = "Digital Thru Playback Route",
364 .index = 0,
365 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
366 .info = snd_ctl_boolean_mono_info,
367 .get = usb6fire_control_digital_thru_get,
368 .put = usb6fire_control_digital_thru_put
369 },
Torsten Schenkc6d43ba2011-01-24 18:45:30 +0100370 {}
371};
372
Torsten Schenkf90ffbf2012-02-22 15:21:12 +0100373static int usb6fire_control_add_virtual(
374 struct control_runtime *rt,
375 struct snd_card *card,
376 char *name,
377 struct snd_kcontrol_new *elems)
378{
379 int ret;
380 int i;
381 struct snd_kcontrol *vmaster =
382 snd_ctl_make_virtual_master(name, tlv_output);
383 struct snd_kcontrol *control;
384
385 if (!vmaster)
386 return -ENOMEM;
387 ret = snd_ctl_add(card, vmaster);
388 if (ret < 0)
389 return ret;
390
391 i = 0;
392 while (elems[i].name) {
393 control = snd_ctl_new1(&elems[i], rt);
394 if (!control)
395 return -ENOMEM;
396 ret = snd_ctl_add(card, control);
397 if (ret < 0)
398 return ret;
399 ret = snd_ctl_add_slave(vmaster, control);
400 if (ret < 0)
401 return ret;
402 i++;
403 }
404 return 0;
405}
406
Torsten Schenkc6d43ba2011-01-24 18:45:30 +0100407int __devinit usb6fire_control_init(struct sfire_chip *chip)
408{
409 int i;
410 int ret;
411 struct control_runtime *rt = kzalloc(sizeof(struct control_runtime),
412 GFP_KERNEL);
413 struct comm_runtime *comm_rt = chip->comm;
414
415 if (!rt)
416 return -ENOMEM;
417
418 rt->chip = chip;
Torsten Schenk2475b0d2011-04-04 11:50:53 +0200419 rt->update_streaming = usb6fire_control_streaming_update;
420 rt->set_rate = usb6fire_control_set_rate;
421 rt->set_channels = usb6fire_control_set_channels;
Torsten Schenkc6d43ba2011-01-24 18:45:30 +0100422
423 i = 0;
424 while (init_data[i].type) {
425 comm_rt->write8(comm_rt, init_data[i].type, init_data[i].reg,
426 init_data[i].value);
427 i++;
428 }
429
430 usb6fire_control_opt_coax_update(rt);
431 usb6fire_control_line_phono_update(rt);
Torsten Schenkf90ffbf2012-02-22 15:21:12 +0100432 usb6fire_control_output_vol_update(rt);
Torsten Schenk2475b0d2011-04-04 11:50:53 +0200433 usb6fire_control_streaming_update(rt);
Torsten Schenkc6d43ba2011-01-24 18:45:30 +0100434
Torsten Schenkf90ffbf2012-02-22 15:21:12 +0100435 ret = usb6fire_control_add_virtual(rt, chip->card,
436 "Master Playback Volume", vol_elements);
437 if (ret) {
438 kfree(rt);
439 snd_printk(KERN_ERR PREFIX "cannot add control.\n");
440 return ret;
441 }
442
Torsten Schenkc6d43ba2011-01-24 18:45:30 +0100443 i = 0;
444 while (elements[i].name) {
445 ret = snd_ctl_add(chip->card, snd_ctl_new1(&elements[i], rt));
446 if (ret < 0) {
447 kfree(rt);
448 snd_printk(KERN_ERR PREFIX "cannot add control.\n");
449 return ret;
450 }
451 i++;
452 }
453
454 chip->control = rt;
455 return 0;
456}
457
458void usb6fire_control_abort(struct sfire_chip *chip)
459{}
460
461void usb6fire_control_destroy(struct sfire_chip *chip)
462{
463 kfree(chip->control);
464 chip->control = NULL;
465}