1 /*
2  * Mixer controls for the Xonar DG/DGX
3  *
4  * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
5  * Copyright (c) Roman Volkov <v1ron@mail.ru>
6  *
7  *  This driver is free software; you can redistribute it and/or modify
8  *  it under the terms of the GNU General Public License, version 2.
9  *
10  *  This driver is distributed in the hope that it will be useful,
11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  *  GNU General Public License for more details.
14  *
15  *  You should have received a copy of the GNU General Public License
16  *  along with this driver; if not, see <http://www.gnu.org/licenses/>.
17  */
18 
19 #include <linux/pci.h>
20 #include <linux/delay.h>
21 #include <sound/control.h>
22 #include <sound/core.h>
23 #include <sound/info.h>
24 #include <sound/pcm.h>
25 #include <sound/tlv.h>
26 #include "oxygen.h"
27 #include "xonar_dg.h"
28 #include "cs4245.h"
29 
30 /* analog output select */
31 
32 static int output_select_apply(struct oxygen *chip)
33 {
34 	struct dg *data = chip->model_data;
35 
36 	data->cs4245_shadow[CS4245_SIGNAL_SEL] &= ~CS4245_A_OUT_SEL_MASK;
37 	if (data->output_sel == PLAYBACK_DST_HP) {
38 		/* mute FP (aux output) amplifier, switch rear jack to CS4245 */
39 		oxygen_set_bits8(chip, OXYGEN_GPIO_DATA, GPIO_HP_REAR);
40 	} else if (data->output_sel == PLAYBACK_DST_HP_FP) {
41 		/*
42 		 * Unmute FP amplifier, switch rear jack to CS4361;
43 		 * I2S channels 2,3,4 should be inactive.
44 		 */
45 		oxygen_clear_bits8(chip, OXYGEN_GPIO_DATA, GPIO_HP_REAR);
46 		data->cs4245_shadow[CS4245_SIGNAL_SEL] |= CS4245_A_OUT_SEL_DAC;
47 	} else {
48 		/*
49 		 * 2.0, 4.0, 5.1: switch to CS4361, mute FP amp.,
50 		 * and change playback routing.
51 		 */
52 		oxygen_clear_bits8(chip, OXYGEN_GPIO_DATA, GPIO_HP_REAR);
53 	}
54 	return cs4245_write_spi(chip, CS4245_SIGNAL_SEL);
55 }
56 
57 static int output_select_info(struct snd_kcontrol *ctl,
58 			      struct snd_ctl_elem_info *info)
59 {
60 	static const char *const names[3] = {
61 		"Stereo Headphones",
62 		"Stereo Headphones FP",
63 		"Multichannel",
64 	};
65 
66 	return snd_ctl_enum_info(info, 1, 3, names);
67 }
68 
69 static int output_select_get(struct snd_kcontrol *ctl,
70 			     struct snd_ctl_elem_value *value)
71 {
72 	struct oxygen *chip = ctl->private_data;
73 	struct dg *data = chip->model_data;
74 
75 	mutex_lock(&chip->mutex);
76 	value->value.enumerated.item[0] = data->output_sel;
77 	mutex_unlock(&chip->mutex);
78 	return 0;
79 }
80 
81 static int output_select_put(struct snd_kcontrol *ctl,
82 			     struct snd_ctl_elem_value *value)
83 {
84 	struct oxygen *chip = ctl->private_data;
85 	struct dg *data = chip->model_data;
86 	unsigned int new = value->value.enumerated.item[0];
87 	int changed = 0;
88 	int ret;
89 
90 	mutex_lock(&chip->mutex);
91 	if (data->output_sel != new) {
92 		data->output_sel = new;
93 		ret = output_select_apply(chip);
94 		changed = ret >= 0 ? 1 : ret;
95 		oxygen_update_dac_routing(chip);
96 	}
97 	mutex_unlock(&chip->mutex);
98 
99 	return changed;
100 }
101 
102 /* CS4245 Headphone Channels A&B Volume Control */
103 
104 static int hp_stereo_volume_info(struct snd_kcontrol *ctl,
105 				struct snd_ctl_elem_info *info)
106 {
107 	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
108 	info->count = 2;
109 	info->value.integer.min = 0;
110 	info->value.integer.max = 255;
111 	return 0;
112 }
113 
114 static int hp_stereo_volume_get(struct snd_kcontrol *ctl,
115 				struct snd_ctl_elem_value *val)
116 {
117 	struct oxygen *chip = ctl->private_data;
118 	struct dg *data = chip->model_data;
119 	unsigned int tmp;
120 
121 	mutex_lock(&chip->mutex);
122 	tmp = (~data->cs4245_shadow[CS4245_DAC_A_CTRL]) & 255;
123 	val->value.integer.value[0] = tmp;
124 	tmp = (~data->cs4245_shadow[CS4245_DAC_B_CTRL]) & 255;
125 	val->value.integer.value[1] = tmp;
126 	mutex_unlock(&chip->mutex);
127 	return 0;
128 }
129 
130 static int hp_stereo_volume_put(struct snd_kcontrol *ctl,
131 				struct snd_ctl_elem_value *val)
132 {
133 	struct oxygen *chip = ctl->private_data;
134 	struct dg *data = chip->model_data;
135 	int ret;
136 	int changed = 0;
137 	long new1 = val->value.integer.value[0];
138 	long new2 = val->value.integer.value[1];
139 
140 	if ((new1 > 255) || (new1 < 0) || (new2 > 255) || (new2 < 0))
141 		return -EINVAL;
142 
143 	mutex_lock(&chip->mutex);
144 	if ((data->cs4245_shadow[CS4245_DAC_A_CTRL] != ~new1) ||
145 	    (data->cs4245_shadow[CS4245_DAC_B_CTRL] != ~new2)) {
146 		data->cs4245_shadow[CS4245_DAC_A_CTRL] = ~new1;
147 		data->cs4245_shadow[CS4245_DAC_B_CTRL] = ~new2;
148 		ret = cs4245_write_spi(chip, CS4245_DAC_A_CTRL);
149 		if (ret >= 0)
150 			ret = cs4245_write_spi(chip, CS4245_DAC_B_CTRL);
151 		changed = ret >= 0 ? 1 : ret;
152 	}
153 	mutex_unlock(&chip->mutex);
154 
155 	return changed;
156 }
157 
158 /* Headphone Mute */
159 
160 static int hp_mute_get(struct snd_kcontrol *ctl,
161 			struct snd_ctl_elem_value *val)
162 {
163 	struct oxygen *chip = ctl->private_data;
164 	struct dg *data = chip->model_data;
165 
166 	mutex_lock(&chip->mutex);
167 	val->value.integer.value[0] =
168 		!(data->cs4245_shadow[CS4245_DAC_CTRL_1] & CS4245_MUTE_DAC);
169 	mutex_unlock(&chip->mutex);
170 	return 0;
171 }
172 
173 static int hp_mute_put(struct snd_kcontrol *ctl,
174 			struct snd_ctl_elem_value *val)
175 {
176 	struct oxygen *chip = ctl->private_data;
177 	struct dg *data = chip->model_data;
178 	int ret;
179 	int changed;
180 
181 	if (val->value.integer.value[0] > 1)
182 		return -EINVAL;
183 	mutex_lock(&chip->mutex);
184 	data->cs4245_shadow[CS4245_DAC_CTRL_1] &= ~CS4245_MUTE_DAC;
185 	data->cs4245_shadow[CS4245_DAC_CTRL_1] |=
186 		(~val->value.integer.value[0] << 2) & CS4245_MUTE_DAC;
187 	ret = cs4245_write_spi(chip, CS4245_DAC_CTRL_1);
188 	changed = ret >= 0 ? 1 : ret;
189 	mutex_unlock(&chip->mutex);
190 	return changed;
191 }
192 
193 /* capture volume for all sources */
194 
195 static int input_volume_apply(struct oxygen *chip, char left, char right)
196 {
197 	struct dg *data = chip->model_data;
198 	int ret;
199 
200 	data->cs4245_shadow[CS4245_PGA_A_CTRL] = left;
201 	data->cs4245_shadow[CS4245_PGA_B_CTRL] = right;
202 	ret = cs4245_write_spi(chip, CS4245_PGA_A_CTRL);
203 	if (ret < 0)
204 		return ret;
205 	return cs4245_write_spi(chip, CS4245_PGA_B_CTRL);
206 }
207 
208 static int input_vol_info(struct snd_kcontrol *ctl,
209 			  struct snd_ctl_elem_info *info)
210 {
211 	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
212 	info->count = 2;
213 	info->value.integer.min = 2 * -12;
214 	info->value.integer.max = 2 * 12;
215 	return 0;
216 }
217 
218 static int input_vol_get(struct snd_kcontrol *ctl,
219 			 struct snd_ctl_elem_value *value)
220 {
221 	struct oxygen *chip = ctl->private_data;
222 	struct dg *data = chip->model_data;
223 	unsigned int idx = ctl->private_value;
224 
225 	mutex_lock(&chip->mutex);
226 	value->value.integer.value[0] = data->input_vol[idx][0];
227 	value->value.integer.value[1] = data->input_vol[idx][1];
228 	mutex_unlock(&chip->mutex);
229 	return 0;
230 }
231 
232 static int input_vol_put(struct snd_kcontrol *ctl,
233 			 struct snd_ctl_elem_value *value)
234 {
235 	struct oxygen *chip = ctl->private_data;
236 	struct dg *data = chip->model_data;
237 	unsigned int idx = ctl->private_value;
238 	int changed = 0;
239 	int ret = 0;
240 
241 	if (value->value.integer.value[0] < 2 * -12 ||
242 	    value->value.integer.value[0] > 2 * 12 ||
243 	    value->value.integer.value[1] < 2 * -12 ||
244 	    value->value.integer.value[1] > 2 * 12)
245 		return -EINVAL;
246 	mutex_lock(&chip->mutex);
247 	changed = data->input_vol[idx][0] != value->value.integer.value[0] ||
248 		  data->input_vol[idx][1] != value->value.integer.value[1];
249 	if (changed) {
250 		data->input_vol[idx][0] = value->value.integer.value[0];
251 		data->input_vol[idx][1] = value->value.integer.value[1];
252 		if (idx == data->input_sel) {
253 			ret = input_volume_apply(chip,
254 				data->input_vol[idx][0],
255 				data->input_vol[idx][1]);
256 		}
257 		changed = ret >= 0 ? 1 : ret;
258 	}
259 	mutex_unlock(&chip->mutex);
260 	return changed;
261 }
262 
263 /* Capture Source */
264 
265 static int input_source_apply(struct oxygen *chip)
266 {
267 	struct dg *data = chip->model_data;
268 
269 	data->cs4245_shadow[CS4245_ANALOG_IN] &= ~CS4245_SEL_MASK;
270 	if (data->input_sel == CAPTURE_SRC_FP_MIC)
271 		data->cs4245_shadow[CS4245_ANALOG_IN] |= CS4245_SEL_INPUT_2;
272 	else if (data->input_sel == CAPTURE_SRC_LINE)
273 		data->cs4245_shadow[CS4245_ANALOG_IN] |= CS4245_SEL_INPUT_4;
274 	else if (data->input_sel != CAPTURE_SRC_MIC)
275 		data->cs4245_shadow[CS4245_ANALOG_IN] |= CS4245_SEL_INPUT_1;
276 	return cs4245_write_spi(chip, CS4245_ANALOG_IN);
277 }
278 
279 static int input_sel_info(struct snd_kcontrol *ctl,
280 			  struct snd_ctl_elem_info *info)
281 {
282 	static const char *const names[4] = {
283 		"Mic", "Front Mic", "Line", "Aux"
284 	};
285 
286 	return snd_ctl_enum_info(info, 1, 4, names);
287 }
288 
289 static int input_sel_get(struct snd_kcontrol *ctl,
290 			 struct snd_ctl_elem_value *value)
291 {
292 	struct oxygen *chip = ctl->private_data;
293 	struct dg *data = chip->model_data;
294 
295 	mutex_lock(&chip->mutex);
296 	value->value.enumerated.item[0] = data->input_sel;
297 	mutex_unlock(&chip->mutex);
298 	return 0;
299 }
300 
301 static int input_sel_put(struct snd_kcontrol *ctl,
302 			 struct snd_ctl_elem_value *value)
303 {
304 	struct oxygen *chip = ctl->private_data;
305 	struct dg *data = chip->model_data;
306 	int changed;
307 	int ret;
308 
309 	if (value->value.enumerated.item[0] > 3)
310 		return -EINVAL;
311 
312 	mutex_lock(&chip->mutex);
313 	changed = value->value.enumerated.item[0] != data->input_sel;
314 	if (changed) {
315 		data->input_sel = value->value.enumerated.item[0];
316 
317 		ret = input_source_apply(chip);
318 		if (ret >= 0)
319 			ret = input_volume_apply(chip,
320 				data->input_vol[data->input_sel][0],
321 				data->input_vol[data->input_sel][1]);
322 		changed = ret >= 0 ? 1 : ret;
323 	}
324 	mutex_unlock(&chip->mutex);
325 	return changed;
326 }
327 
328 /* ADC high-pass filter */
329 
330 static int hpf_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
331 {
332 	static const char *const names[2] = { "Active", "Frozen" };
333 
334 	return snd_ctl_enum_info(info, 1, 2, names);
335 }
336 
337 static int hpf_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
338 {
339 	struct oxygen *chip = ctl->private_data;
340 	struct dg *data = chip->model_data;
341 
342 	value->value.enumerated.item[0] =
343 		!!(data->cs4245_shadow[CS4245_ADC_CTRL] & CS4245_HPF_FREEZE);
344 	return 0;
345 }
346 
347 static int hpf_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
348 {
349 	struct oxygen *chip = ctl->private_data;
350 	struct dg *data = chip->model_data;
351 	u8 reg;
352 	int changed;
353 
354 	mutex_lock(&chip->mutex);
355 	reg = data->cs4245_shadow[CS4245_ADC_CTRL] & ~CS4245_HPF_FREEZE;
356 	if (value->value.enumerated.item[0])
357 		reg |= CS4245_HPF_FREEZE;
358 	changed = reg != data->cs4245_shadow[CS4245_ADC_CTRL];
359 	if (changed) {
360 		data->cs4245_shadow[CS4245_ADC_CTRL] = reg;
361 		cs4245_write_spi(chip, CS4245_ADC_CTRL);
362 	}
363 	mutex_unlock(&chip->mutex);
364 	return changed;
365 }
366 
367 #define INPUT_VOLUME(xname, index) { \
368 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
369 	.name = xname, \
370 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
371 		  SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
372 	.info = input_vol_info, \
373 	.get = input_vol_get, \
374 	.put = input_vol_put, \
375 	.tlv = { .p = pga_db_scale }, \
376 	.private_value = index, \
377 }
378 static const DECLARE_TLV_DB_MINMAX(hp_db_scale, -12550, 0);
379 static const DECLARE_TLV_DB_MINMAX(pga_db_scale, -1200, 1200);
380 static const struct snd_kcontrol_new dg_controls[] = {
381 	{
382 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
383 		.name = "Analog Output Playback Enum",
384 		.info = output_select_info,
385 		.get = output_select_get,
386 		.put = output_select_put,
387 	},
388 	{
389 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
390 		.name = "Headphone Playback Volume",
391 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
392 			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
393 		.info = hp_stereo_volume_info,
394 		.get = hp_stereo_volume_get,
395 		.put = hp_stereo_volume_put,
396 		.tlv = { .p = hp_db_scale, },
397 	},
398 	{
399 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
400 		.name = "Headphone Playback Switch",
401 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
402 		.info = snd_ctl_boolean_mono_info,
403 		.get = hp_mute_get,
404 		.put = hp_mute_put,
405 	},
406 	INPUT_VOLUME("Mic Capture Volume", CAPTURE_SRC_MIC),
407 	INPUT_VOLUME("Front Mic Capture Volume", CAPTURE_SRC_FP_MIC),
408 	INPUT_VOLUME("Line Capture Volume", CAPTURE_SRC_LINE),
409 	INPUT_VOLUME("Aux Capture Volume", CAPTURE_SRC_AUX),
410 	{
411 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
412 		.name = "Capture Source",
413 		.info = input_sel_info,
414 		.get = input_sel_get,
415 		.put = input_sel_put,
416 	},
417 	{
418 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
419 		.name = "ADC High-pass Filter Capture Enum",
420 		.info = hpf_info,
421 		.get = hpf_get,
422 		.put = hpf_put,
423 	},
424 };
425 
426 static int dg_control_filter(struct snd_kcontrol_new *template)
427 {
428 	if (!strncmp(template->name, "Master Playback ", 16))
429 		return 1;
430 	return 0;
431 }
432 
433 static int dg_mixer_init(struct oxygen *chip)
434 {
435 	unsigned int i;
436 	int err;
437 
438 	output_select_apply(chip);
439 	input_source_apply(chip);
440 	oxygen_update_dac_routing(chip);
441 
442 	for (i = 0; i < ARRAY_SIZE(dg_controls); ++i) {
443 		err = snd_ctl_add(chip->card,
444 				  snd_ctl_new1(&dg_controls[i], chip));
445 		if (err < 0)
446 			return err;
447 	}
448 
449 	return 0;
450 }
451 
452 struct oxygen_model model_xonar_dg = {
453 	.longname = "C-Media Oxygen HD Audio",
454 	.chip = "CMI8786",
455 	.init = dg_init,
456 	.control_filter = dg_control_filter,
457 	.mixer_init = dg_mixer_init,
458 	.cleanup = dg_cleanup,
459 	.suspend = dg_suspend,
460 	.resume = dg_resume,
461 	.set_dac_params = set_cs4245_dac_params,
462 	.set_adc_params = set_cs4245_adc_params,
463 	.adjust_dac_routing = adjust_dg_dac_routing,
464 	.dump_registers = dump_cs4245_registers,
465 	.model_data_size = sizeof(struct dg),
466 	.device_config = PLAYBACK_0_TO_I2S |
467 			 PLAYBACK_1_TO_SPDIF |
468 			 CAPTURE_0_FROM_I2S_1 |
469 			 CAPTURE_1_FROM_SPDIF,
470 	.dac_channels_pcm = 6,
471 	.dac_channels_mixer = 0,
472 	.function_flags = OXYGEN_FUNCTION_SPI,
473 	.dac_mclks = OXYGEN_MCLKS(256, 128, 128),
474 	.adc_mclks = OXYGEN_MCLKS(256, 128, 128),
475 	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
476 	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
477 };
478