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