xref: /openbmc/linux/sound/pci/oxygen/oxygen_mixer.c (revision 0d7b0c4a)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * C-Media CMI8788 driver - mixer code
4  *
5  * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
6  */
7 
8 #include <linux/mutex.h>
9 #include <sound/ac97_codec.h>
10 #include <sound/asoundef.h>
11 #include <sound/control.h>
12 #include <sound/tlv.h>
13 #include "oxygen.h"
14 #include "cm9780.h"
15 
dac_volume_info(struct snd_kcontrol * ctl,struct snd_ctl_elem_info * info)16 static int dac_volume_info(struct snd_kcontrol *ctl,
17 			   struct snd_ctl_elem_info *info)
18 {
19 	struct oxygen *chip = ctl->private_data;
20 
21 	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
22 	info->count = chip->model.dac_channels_mixer;
23 	info->value.integer.min = chip->model.dac_volume_min;
24 	info->value.integer.max = chip->model.dac_volume_max;
25 	return 0;
26 }
27 
dac_volume_get(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)28 static int dac_volume_get(struct snd_kcontrol *ctl,
29 			  struct snd_ctl_elem_value *value)
30 {
31 	struct oxygen *chip = ctl->private_data;
32 	unsigned int i;
33 
34 	mutex_lock(&chip->mutex);
35 	for (i = 0; i < chip->model.dac_channels_mixer; ++i)
36 		value->value.integer.value[i] = chip->dac_volume[i];
37 	mutex_unlock(&chip->mutex);
38 	return 0;
39 }
40 
dac_volume_put(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)41 static int dac_volume_put(struct snd_kcontrol *ctl,
42 			  struct snd_ctl_elem_value *value)
43 {
44 	struct oxygen *chip = ctl->private_data;
45 	unsigned int i;
46 	int changed;
47 
48 	changed = 0;
49 	mutex_lock(&chip->mutex);
50 	for (i = 0; i < chip->model.dac_channels_mixer; ++i)
51 		if (value->value.integer.value[i] != chip->dac_volume[i]) {
52 			chip->dac_volume[i] = value->value.integer.value[i];
53 			changed = 1;
54 		}
55 	if (changed)
56 		chip->model.update_dac_volume(chip);
57 	mutex_unlock(&chip->mutex);
58 	return changed;
59 }
60 
dac_mute_get(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)61 static int dac_mute_get(struct snd_kcontrol *ctl,
62 			struct snd_ctl_elem_value *value)
63 {
64 	struct oxygen *chip = ctl->private_data;
65 
66 	mutex_lock(&chip->mutex);
67 	value->value.integer.value[0] = !chip->dac_mute;
68 	mutex_unlock(&chip->mutex);
69 	return 0;
70 }
71 
dac_mute_put(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)72 static int dac_mute_put(struct snd_kcontrol *ctl,
73 			  struct snd_ctl_elem_value *value)
74 {
75 	struct oxygen *chip = ctl->private_data;
76 	int changed;
77 
78 	mutex_lock(&chip->mutex);
79 	changed = (!value->value.integer.value[0]) != chip->dac_mute;
80 	if (changed) {
81 		chip->dac_mute = !value->value.integer.value[0];
82 		chip->model.update_dac_mute(chip);
83 	}
84 	mutex_unlock(&chip->mutex);
85 	return changed;
86 }
87 
upmix_item_count(struct oxygen * chip)88 static unsigned int upmix_item_count(struct oxygen *chip)
89 {
90 	if (chip->model.dac_channels_pcm < 8)
91 		return 2;
92 	else if (chip->model.update_center_lfe_mix)
93 		return 5;
94 	else
95 		return 3;
96 }
97 
upmix_info(struct snd_kcontrol * ctl,struct snd_ctl_elem_info * info)98 static int upmix_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
99 {
100 	static const char *const names[5] = {
101 		"Front",
102 		"Front+Surround",
103 		"Front+Surround+Back",
104 		"Front+Surround+Center/LFE",
105 		"Front+Surround+Center/LFE+Back",
106 	};
107 	struct oxygen *chip = ctl->private_data;
108 	unsigned int count = upmix_item_count(chip);
109 
110 	return snd_ctl_enum_info(info, 1, count, names);
111 }
112 
upmix_get(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)113 static int upmix_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
114 {
115 	struct oxygen *chip = ctl->private_data;
116 
117 	mutex_lock(&chip->mutex);
118 	value->value.enumerated.item[0] = chip->dac_routing;
119 	mutex_unlock(&chip->mutex);
120 	return 0;
121 }
122 
oxygen_update_dac_routing(struct oxygen * chip)123 void oxygen_update_dac_routing(struct oxygen *chip)
124 {
125 	/* DAC 0: front, DAC 1: surround, DAC 2: center/LFE, DAC 3: back */
126 	static const unsigned int reg_values[5] = {
127 		/* stereo -> front */
128 		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
129 		(1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
130 		(2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
131 		(3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
132 		/* stereo -> front+surround */
133 		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
134 		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
135 		(2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
136 		(3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
137 		/* stereo -> front+surround+back */
138 		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
139 		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
140 		(2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
141 		(0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
142 		/* stereo -> front+surround+center/LFE */
143 		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
144 		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
145 		(0 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
146 		(3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
147 		/* stereo -> front+surround+center/LFE+back */
148 		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
149 		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
150 		(0 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
151 		(0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
152 	};
153 	u8 channels;
154 	unsigned int reg_value;
155 
156 	channels = oxygen_read8(chip, OXYGEN_PLAY_CHANNELS) &
157 		OXYGEN_PLAY_CHANNELS_MASK;
158 	if (channels == OXYGEN_PLAY_CHANNELS_2)
159 		reg_value = reg_values[chip->dac_routing];
160 	else if (channels == OXYGEN_PLAY_CHANNELS_8)
161 		/* in 7.1 mode, "rear" channels go to the "back" jack */
162 		reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
163 			    (3 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
164 			    (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
165 			    (1 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
166 	else
167 		reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
168 			    (1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
169 			    (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
170 			    (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
171 	if (chip->model.adjust_dac_routing)
172 		reg_value = chip->model.adjust_dac_routing(chip, reg_value);
173 	oxygen_write16_masked(chip, OXYGEN_PLAY_ROUTING, reg_value,
174 			      OXYGEN_PLAY_DAC0_SOURCE_MASK |
175 			      OXYGEN_PLAY_DAC1_SOURCE_MASK |
176 			      OXYGEN_PLAY_DAC2_SOURCE_MASK |
177 			      OXYGEN_PLAY_DAC3_SOURCE_MASK);
178 	if (chip->model.update_center_lfe_mix)
179 		chip->model.update_center_lfe_mix(chip, chip->dac_routing > 2);
180 }
181 EXPORT_SYMBOL(oxygen_update_dac_routing);
182 
upmix_put(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)183 static int upmix_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
184 {
185 	struct oxygen *chip = ctl->private_data;
186 	unsigned int count = upmix_item_count(chip);
187 	int changed;
188 
189 	if (value->value.enumerated.item[0] >= count)
190 		return -EINVAL;
191 	mutex_lock(&chip->mutex);
192 	changed = value->value.enumerated.item[0] != chip->dac_routing;
193 	if (changed) {
194 		chip->dac_routing = value->value.enumerated.item[0];
195 		oxygen_update_dac_routing(chip);
196 	}
197 	mutex_unlock(&chip->mutex);
198 	return changed;
199 }
200 
spdif_switch_get(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)201 static int spdif_switch_get(struct snd_kcontrol *ctl,
202 			    struct snd_ctl_elem_value *value)
203 {
204 	struct oxygen *chip = ctl->private_data;
205 
206 	mutex_lock(&chip->mutex);
207 	value->value.integer.value[0] = chip->spdif_playback_enable;
208 	mutex_unlock(&chip->mutex);
209 	return 0;
210 }
211 
oxygen_spdif_rate(unsigned int oxygen_rate)212 static unsigned int oxygen_spdif_rate(unsigned int oxygen_rate)
213 {
214 	switch (oxygen_rate) {
215 	case OXYGEN_RATE_32000:
216 		return IEC958_AES3_CON_FS_32000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
217 	case OXYGEN_RATE_44100:
218 		return IEC958_AES3_CON_FS_44100 << OXYGEN_SPDIF_CS_RATE_SHIFT;
219 	default: /* OXYGEN_RATE_48000 */
220 		return IEC958_AES3_CON_FS_48000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
221 	case OXYGEN_RATE_64000:
222 		return 0xb << OXYGEN_SPDIF_CS_RATE_SHIFT;
223 	case OXYGEN_RATE_88200:
224 		return IEC958_AES3_CON_FS_88200 << OXYGEN_SPDIF_CS_RATE_SHIFT;
225 	case OXYGEN_RATE_96000:
226 		return IEC958_AES3_CON_FS_96000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
227 	case OXYGEN_RATE_176400:
228 		return IEC958_AES3_CON_FS_176400 << OXYGEN_SPDIF_CS_RATE_SHIFT;
229 	case OXYGEN_RATE_192000:
230 		return IEC958_AES3_CON_FS_192000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
231 	}
232 }
233 
oxygen_update_spdif_source(struct oxygen * chip)234 void oxygen_update_spdif_source(struct oxygen *chip)
235 {
236 	u32 old_control, new_control;
237 	u16 old_routing, new_routing;
238 	unsigned int oxygen_rate;
239 
240 	old_control = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
241 	old_routing = oxygen_read16(chip, OXYGEN_PLAY_ROUTING);
242 	if (chip->pcm_active & (1 << PCM_SPDIF)) {
243 		new_control = old_control | OXYGEN_SPDIF_OUT_ENABLE;
244 		new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
245 			| OXYGEN_PLAY_SPDIF_SPDIF;
246 		oxygen_rate = (old_control >> OXYGEN_SPDIF_OUT_RATE_SHIFT)
247 			& OXYGEN_I2S_RATE_MASK;
248 		/* S/PDIF rate was already set by the caller */
249 	} else if ((chip->pcm_active & (1 << PCM_MULTICH)) &&
250 		   chip->spdif_playback_enable) {
251 		new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
252 			| OXYGEN_PLAY_SPDIF_MULTICH_01;
253 		oxygen_rate = oxygen_read16(chip, OXYGEN_I2S_MULTICH_FORMAT)
254 			& OXYGEN_I2S_RATE_MASK;
255 		new_control = (old_control & ~OXYGEN_SPDIF_OUT_RATE_MASK) |
256 			(oxygen_rate << OXYGEN_SPDIF_OUT_RATE_SHIFT) |
257 			OXYGEN_SPDIF_OUT_ENABLE;
258 	} else {
259 		new_control = old_control & ~OXYGEN_SPDIF_OUT_ENABLE;
260 		new_routing = old_routing;
261 		oxygen_rate = OXYGEN_RATE_44100;
262 	}
263 	if (old_routing != new_routing) {
264 		oxygen_write32(chip, OXYGEN_SPDIF_CONTROL,
265 			       new_control & ~OXYGEN_SPDIF_OUT_ENABLE);
266 		oxygen_write16(chip, OXYGEN_PLAY_ROUTING, new_routing);
267 	}
268 	if (new_control & OXYGEN_SPDIF_OUT_ENABLE)
269 		oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS,
270 			       oxygen_spdif_rate(oxygen_rate) |
271 			       ((chip->pcm_active & (1 << PCM_SPDIF)) ?
272 				chip->spdif_pcm_bits : chip->spdif_bits));
273 	oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, new_control);
274 }
275 
spdif_switch_put(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)276 static int spdif_switch_put(struct snd_kcontrol *ctl,
277 			    struct snd_ctl_elem_value *value)
278 {
279 	struct oxygen *chip = ctl->private_data;
280 	int changed;
281 
282 	mutex_lock(&chip->mutex);
283 	changed = value->value.integer.value[0] != chip->spdif_playback_enable;
284 	if (changed) {
285 		chip->spdif_playback_enable = !!value->value.integer.value[0];
286 		spin_lock_irq(&chip->reg_lock);
287 		oxygen_update_spdif_source(chip);
288 		spin_unlock_irq(&chip->reg_lock);
289 	}
290 	mutex_unlock(&chip->mutex);
291 	return changed;
292 }
293 
spdif_info(struct snd_kcontrol * ctl,struct snd_ctl_elem_info * info)294 static int spdif_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
295 {
296 	info->type = SNDRV_CTL_ELEM_TYPE_IEC958;
297 	info->count = 1;
298 	return 0;
299 }
300 
oxygen_to_iec958(u32 bits,struct snd_ctl_elem_value * value)301 static void oxygen_to_iec958(u32 bits, struct snd_ctl_elem_value *value)
302 {
303 	value->value.iec958.status[0] =
304 		bits & (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
305 			OXYGEN_SPDIF_PREEMPHASIS);
306 	value->value.iec958.status[1] = /* category and original */
307 		bits >> OXYGEN_SPDIF_CATEGORY_SHIFT;
308 }
309 
iec958_to_oxygen(struct snd_ctl_elem_value * value)310 static u32 iec958_to_oxygen(struct snd_ctl_elem_value *value)
311 {
312 	u32 bits;
313 
314 	bits = value->value.iec958.status[0] &
315 		(OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
316 		 OXYGEN_SPDIF_PREEMPHASIS);
317 	bits |= value->value.iec958.status[1] << OXYGEN_SPDIF_CATEGORY_SHIFT;
318 	if (bits & OXYGEN_SPDIF_NONAUDIO)
319 		bits |= OXYGEN_SPDIF_V;
320 	return bits;
321 }
322 
write_spdif_bits(struct oxygen * chip,u32 bits)323 static inline void write_spdif_bits(struct oxygen *chip, u32 bits)
324 {
325 	oxygen_write32_masked(chip, OXYGEN_SPDIF_OUTPUT_BITS, bits,
326 			      OXYGEN_SPDIF_NONAUDIO |
327 			      OXYGEN_SPDIF_C |
328 			      OXYGEN_SPDIF_PREEMPHASIS |
329 			      OXYGEN_SPDIF_CATEGORY_MASK |
330 			      OXYGEN_SPDIF_ORIGINAL |
331 			      OXYGEN_SPDIF_V);
332 }
333 
spdif_default_get(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)334 static int spdif_default_get(struct snd_kcontrol *ctl,
335 			     struct snd_ctl_elem_value *value)
336 {
337 	struct oxygen *chip = ctl->private_data;
338 
339 	mutex_lock(&chip->mutex);
340 	oxygen_to_iec958(chip->spdif_bits, value);
341 	mutex_unlock(&chip->mutex);
342 	return 0;
343 }
344 
spdif_default_put(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)345 static int spdif_default_put(struct snd_kcontrol *ctl,
346 			     struct snd_ctl_elem_value *value)
347 {
348 	struct oxygen *chip = ctl->private_data;
349 	u32 new_bits;
350 	int changed;
351 
352 	new_bits = iec958_to_oxygen(value);
353 	mutex_lock(&chip->mutex);
354 	changed = new_bits != chip->spdif_bits;
355 	if (changed) {
356 		chip->spdif_bits = new_bits;
357 		if (!(chip->pcm_active & (1 << PCM_SPDIF)))
358 			write_spdif_bits(chip, new_bits);
359 	}
360 	mutex_unlock(&chip->mutex);
361 	return changed;
362 }
363 
spdif_mask_get(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)364 static int spdif_mask_get(struct snd_kcontrol *ctl,
365 			  struct snd_ctl_elem_value *value)
366 {
367 	value->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
368 		IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS;
369 	value->value.iec958.status[1] =
370 		IEC958_AES1_CON_CATEGORY | IEC958_AES1_CON_ORIGINAL;
371 	return 0;
372 }
373 
spdif_pcm_get(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)374 static int spdif_pcm_get(struct snd_kcontrol *ctl,
375 			 struct snd_ctl_elem_value *value)
376 {
377 	struct oxygen *chip = ctl->private_data;
378 
379 	mutex_lock(&chip->mutex);
380 	oxygen_to_iec958(chip->spdif_pcm_bits, value);
381 	mutex_unlock(&chip->mutex);
382 	return 0;
383 }
384 
spdif_pcm_put(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)385 static int spdif_pcm_put(struct snd_kcontrol *ctl,
386 			 struct snd_ctl_elem_value *value)
387 {
388 	struct oxygen *chip = ctl->private_data;
389 	u32 new_bits;
390 	int changed;
391 
392 	new_bits = iec958_to_oxygen(value);
393 	mutex_lock(&chip->mutex);
394 	changed = new_bits != chip->spdif_pcm_bits;
395 	if (changed) {
396 		chip->spdif_pcm_bits = new_bits;
397 		if (chip->pcm_active & (1 << PCM_SPDIF))
398 			write_spdif_bits(chip, new_bits);
399 	}
400 	mutex_unlock(&chip->mutex);
401 	return changed;
402 }
403 
spdif_input_mask_get(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)404 static int spdif_input_mask_get(struct snd_kcontrol *ctl,
405 				struct snd_ctl_elem_value *value)
406 {
407 	value->value.iec958.status[0] = 0xff;
408 	value->value.iec958.status[1] = 0xff;
409 	value->value.iec958.status[2] = 0xff;
410 	value->value.iec958.status[3] = 0xff;
411 	return 0;
412 }
413 
spdif_input_default_get(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)414 static int spdif_input_default_get(struct snd_kcontrol *ctl,
415 				   struct snd_ctl_elem_value *value)
416 {
417 	struct oxygen *chip = ctl->private_data;
418 	u32 bits;
419 
420 	bits = oxygen_read32(chip, OXYGEN_SPDIF_INPUT_BITS);
421 	value->value.iec958.status[0] = bits;
422 	value->value.iec958.status[1] = bits >> 8;
423 	value->value.iec958.status[2] = bits >> 16;
424 	value->value.iec958.status[3] = bits >> 24;
425 	return 0;
426 }
427 
spdif_bit_switch_get(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)428 static int spdif_bit_switch_get(struct snd_kcontrol *ctl,
429 				struct snd_ctl_elem_value *value)
430 {
431 	struct oxygen *chip = ctl->private_data;
432 	u32 bit = ctl->private_value;
433 
434 	value->value.integer.value[0] =
435 		!!(oxygen_read32(chip, OXYGEN_SPDIF_CONTROL) & bit);
436 	return 0;
437 }
438 
spdif_bit_switch_put(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)439 static int spdif_bit_switch_put(struct snd_kcontrol *ctl,
440 				struct snd_ctl_elem_value *value)
441 {
442 	struct oxygen *chip = ctl->private_data;
443 	u32 bit = ctl->private_value;
444 	u32 oldreg, newreg;
445 	int changed;
446 
447 	spin_lock_irq(&chip->reg_lock);
448 	oldreg = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
449 	if (value->value.integer.value[0])
450 		newreg = oldreg | bit;
451 	else
452 		newreg = oldreg & ~bit;
453 	changed = newreg != oldreg;
454 	if (changed)
455 		oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, newreg);
456 	spin_unlock_irq(&chip->reg_lock);
457 	return changed;
458 }
459 
monitor_volume_info(struct snd_kcontrol * ctl,struct snd_ctl_elem_info * info)460 static int monitor_volume_info(struct snd_kcontrol *ctl,
461 			       struct snd_ctl_elem_info *info)
462 {
463 	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
464 	info->count = 1;
465 	info->value.integer.min = 0;
466 	info->value.integer.max = 1;
467 	return 0;
468 }
469 
monitor_get(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)470 static int monitor_get(struct snd_kcontrol *ctl,
471 		       struct snd_ctl_elem_value *value)
472 {
473 	struct oxygen *chip = ctl->private_data;
474 	u8 bit = ctl->private_value;
475 	int invert = ctl->private_value & (1 << 8);
476 
477 	value->value.integer.value[0] =
478 		!!invert ^ !!(oxygen_read8(chip, OXYGEN_ADC_MONITOR) & bit);
479 	return 0;
480 }
481 
monitor_put(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)482 static int monitor_put(struct snd_kcontrol *ctl,
483 		       struct snd_ctl_elem_value *value)
484 {
485 	struct oxygen *chip = ctl->private_data;
486 	u8 bit = ctl->private_value;
487 	int invert = ctl->private_value & (1 << 8);
488 	u8 oldreg, newreg;
489 	int changed;
490 
491 	spin_lock_irq(&chip->reg_lock);
492 	oldreg = oxygen_read8(chip, OXYGEN_ADC_MONITOR);
493 	if ((!!value->value.integer.value[0] ^ !!invert) != 0)
494 		newreg = oldreg | bit;
495 	else
496 		newreg = oldreg & ~bit;
497 	changed = newreg != oldreg;
498 	if (changed)
499 		oxygen_write8(chip, OXYGEN_ADC_MONITOR, newreg);
500 	spin_unlock_irq(&chip->reg_lock);
501 	return changed;
502 }
503 
ac97_switch_get(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)504 static int ac97_switch_get(struct snd_kcontrol *ctl,
505 			   struct snd_ctl_elem_value *value)
506 {
507 	struct oxygen *chip = ctl->private_data;
508 	unsigned int codec = (ctl->private_value >> 24) & 1;
509 	unsigned int index = ctl->private_value & 0xff;
510 	unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
511 	int invert = ctl->private_value & (1 << 16);
512 	u16 reg;
513 
514 	mutex_lock(&chip->mutex);
515 	reg = oxygen_read_ac97(chip, codec, index);
516 	mutex_unlock(&chip->mutex);
517 	if (!(reg & (1 << bitnr)) ^ !invert)
518 		value->value.integer.value[0] = 1;
519 	else
520 		value->value.integer.value[0] = 0;
521 	return 0;
522 }
523 
mute_ac97_ctl(struct oxygen * chip,unsigned int control)524 static void mute_ac97_ctl(struct oxygen *chip, unsigned int control)
525 {
526 	unsigned int priv_idx;
527 	u16 value;
528 
529 	if (!chip->controls[control])
530 		return;
531 	priv_idx = chip->controls[control]->private_value & 0xff;
532 	value = oxygen_read_ac97(chip, 0, priv_idx);
533 	if (!(value & 0x8000)) {
534 		oxygen_write_ac97(chip, 0, priv_idx, value | 0x8000);
535 		if (chip->model.ac97_switch)
536 			chip->model.ac97_switch(chip, priv_idx, 0x8000);
537 		snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
538 			       &chip->controls[control]->id);
539 	}
540 }
541 
ac97_switch_put(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)542 static int ac97_switch_put(struct snd_kcontrol *ctl,
543 			   struct snd_ctl_elem_value *value)
544 {
545 	struct oxygen *chip = ctl->private_data;
546 	unsigned int codec = (ctl->private_value >> 24) & 1;
547 	unsigned int index = ctl->private_value & 0xff;
548 	unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
549 	int invert = ctl->private_value & (1 << 16);
550 	u16 oldreg, newreg;
551 	int change;
552 
553 	mutex_lock(&chip->mutex);
554 	oldreg = oxygen_read_ac97(chip, codec, index);
555 	newreg = oldreg;
556 	if (!value->value.integer.value[0] ^ !invert)
557 		newreg |= 1 << bitnr;
558 	else
559 		newreg &= ~(1 << bitnr);
560 	change = newreg != oldreg;
561 	if (change) {
562 		oxygen_write_ac97(chip, codec, index, newreg);
563 		if (codec == 0 && chip->model.ac97_switch)
564 			chip->model.ac97_switch(chip, index, newreg & 0x8000);
565 		if (index == AC97_LINE) {
566 			oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
567 						 newreg & 0x8000 ?
568 						 CM9780_GPO0 : 0, CM9780_GPO0);
569 			if (!(newreg & 0x8000)) {
570 				mute_ac97_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
571 				mute_ac97_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
572 				mute_ac97_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
573 			}
574 		} else if ((index == AC97_MIC || index == AC97_CD ||
575 			    index == AC97_VIDEO || index == AC97_AUX) &&
576 			   bitnr == 15 && !(newreg & 0x8000)) {
577 			mute_ac97_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
578 			oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
579 						 CM9780_GPO0, CM9780_GPO0);
580 		}
581 	}
582 	mutex_unlock(&chip->mutex);
583 	return change;
584 }
585 
ac97_volume_info(struct snd_kcontrol * ctl,struct snd_ctl_elem_info * info)586 static int ac97_volume_info(struct snd_kcontrol *ctl,
587 			    struct snd_ctl_elem_info *info)
588 {
589 	int stereo = (ctl->private_value >> 16) & 1;
590 
591 	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
592 	info->count = stereo ? 2 : 1;
593 	info->value.integer.min = 0;
594 	info->value.integer.max = 0x1f;
595 	return 0;
596 }
597 
ac97_volume_get(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)598 static int ac97_volume_get(struct snd_kcontrol *ctl,
599 			   struct snd_ctl_elem_value *value)
600 {
601 	struct oxygen *chip = ctl->private_data;
602 	unsigned int codec = (ctl->private_value >> 24) & 1;
603 	int stereo = (ctl->private_value >> 16) & 1;
604 	unsigned int index = ctl->private_value & 0xff;
605 	u16 reg;
606 
607 	mutex_lock(&chip->mutex);
608 	reg = oxygen_read_ac97(chip, codec, index);
609 	mutex_unlock(&chip->mutex);
610 	if (!stereo) {
611 		value->value.integer.value[0] = 31 - (reg & 0x1f);
612 	} else {
613 		value->value.integer.value[0] = 31 - ((reg >> 8) & 0x1f);
614 		value->value.integer.value[1] = 31 - (reg & 0x1f);
615 	}
616 	return 0;
617 }
618 
ac97_volume_put(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)619 static int ac97_volume_put(struct snd_kcontrol *ctl,
620 			   struct snd_ctl_elem_value *value)
621 {
622 	struct oxygen *chip = ctl->private_data;
623 	unsigned int codec = (ctl->private_value >> 24) & 1;
624 	int stereo = (ctl->private_value >> 16) & 1;
625 	unsigned int index = ctl->private_value & 0xff;
626 	u16 oldreg, newreg;
627 	int change;
628 
629 	mutex_lock(&chip->mutex);
630 	oldreg = oxygen_read_ac97(chip, codec, index);
631 	if (!stereo) {
632 		newreg = oldreg & ~0x1f;
633 		newreg |= 31 - (value->value.integer.value[0] & 0x1f);
634 	} else {
635 		newreg = oldreg & ~0x1f1f;
636 		newreg |= (31 - (value->value.integer.value[0] & 0x1f)) << 8;
637 		newreg |= 31 - (value->value.integer.value[1] & 0x1f);
638 	}
639 	change = newreg != oldreg;
640 	if (change)
641 		oxygen_write_ac97(chip, codec, index, newreg);
642 	mutex_unlock(&chip->mutex);
643 	return change;
644 }
645 
mic_fmic_source_info(struct snd_kcontrol * ctl,struct snd_ctl_elem_info * info)646 static int mic_fmic_source_info(struct snd_kcontrol *ctl,
647 			   struct snd_ctl_elem_info *info)
648 {
649 	static const char *const names[] = { "Mic Jack", "Front Panel" };
650 
651 	return snd_ctl_enum_info(info, 1, 2, names);
652 }
653 
mic_fmic_source_get(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)654 static int mic_fmic_source_get(struct snd_kcontrol *ctl,
655 			       struct snd_ctl_elem_value *value)
656 {
657 	struct oxygen *chip = ctl->private_data;
658 
659 	mutex_lock(&chip->mutex);
660 	value->value.enumerated.item[0] =
661 		!!(oxygen_read_ac97(chip, 0, CM9780_JACK) & CM9780_FMIC2MIC);
662 	mutex_unlock(&chip->mutex);
663 	return 0;
664 }
665 
mic_fmic_source_put(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)666 static int mic_fmic_source_put(struct snd_kcontrol *ctl,
667 			       struct snd_ctl_elem_value *value)
668 {
669 	struct oxygen *chip = ctl->private_data;
670 	u16 oldreg, newreg;
671 	int change;
672 
673 	mutex_lock(&chip->mutex);
674 	oldreg = oxygen_read_ac97(chip, 0, CM9780_JACK);
675 	if (value->value.enumerated.item[0])
676 		newreg = oldreg | CM9780_FMIC2MIC;
677 	else
678 		newreg = oldreg & ~CM9780_FMIC2MIC;
679 	change = newreg != oldreg;
680 	if (change)
681 		oxygen_write_ac97(chip, 0, CM9780_JACK, newreg);
682 	mutex_unlock(&chip->mutex);
683 	return change;
684 }
685 
ac97_fp_rec_volume_info(struct snd_kcontrol * ctl,struct snd_ctl_elem_info * info)686 static int ac97_fp_rec_volume_info(struct snd_kcontrol *ctl,
687 				   struct snd_ctl_elem_info *info)
688 {
689 	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
690 	info->count = 2;
691 	info->value.integer.min = 0;
692 	info->value.integer.max = 7;
693 	return 0;
694 }
695 
ac97_fp_rec_volume_get(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)696 static int ac97_fp_rec_volume_get(struct snd_kcontrol *ctl,
697 				  struct snd_ctl_elem_value *value)
698 {
699 	struct oxygen *chip = ctl->private_data;
700 	u16 reg;
701 
702 	mutex_lock(&chip->mutex);
703 	reg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
704 	mutex_unlock(&chip->mutex);
705 	value->value.integer.value[0] = reg & 7;
706 	value->value.integer.value[1] = (reg >> 8) & 7;
707 	return 0;
708 }
709 
ac97_fp_rec_volume_put(struct snd_kcontrol * ctl,struct snd_ctl_elem_value * value)710 static int ac97_fp_rec_volume_put(struct snd_kcontrol *ctl,
711 				  struct snd_ctl_elem_value *value)
712 {
713 	struct oxygen *chip = ctl->private_data;
714 	u16 oldreg, newreg;
715 	int change;
716 
717 	mutex_lock(&chip->mutex);
718 	oldreg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
719 	newreg = oldreg & ~0x0707;
720 	newreg = newreg | (value->value.integer.value[0] & 7);
721 	newreg = newreg | ((value->value.integer.value[1] & 7) << 8);
722 	change = newreg != oldreg;
723 	if (change)
724 		oxygen_write_ac97(chip, 1, AC97_REC_GAIN, newreg);
725 	mutex_unlock(&chip->mutex);
726 	return change;
727 }
728 
729 #define AC97_SWITCH(xname, codec, index, bitnr, invert) { \
730 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
731 		.name = xname, \
732 		.info = snd_ctl_boolean_mono_info, \
733 		.get = ac97_switch_get, \
734 		.put = ac97_switch_put, \
735 		.private_value = ((codec) << 24) | ((invert) << 16) | \
736 				 ((bitnr) << 8) | (index), \
737 	}
738 #define AC97_VOLUME(xname, codec, index, stereo) { \
739 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
740 		.name = xname, \
741 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
742 			  SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
743 		.info = ac97_volume_info, \
744 		.get = ac97_volume_get, \
745 		.put = ac97_volume_put, \
746 		.tlv = { .p = ac97_db_scale, }, \
747 		.private_value = ((codec) << 24) | ((stereo) << 16) | (index), \
748 	}
749 
750 static DECLARE_TLV_DB_SCALE(monitor_db_scale, -600, 600, 0);
751 static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
752 static DECLARE_TLV_DB_SCALE(ac97_rec_db_scale, 0, 150, 0);
753 
754 static const struct snd_kcontrol_new controls[] = {
755 	{
756 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
757 		.name = "Master Playback Volume",
758 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
759 		.info = dac_volume_info,
760 		.get = dac_volume_get,
761 		.put = dac_volume_put,
762 	},
763 	{
764 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
765 		.name = "Master Playback Switch",
766 		.info = snd_ctl_boolean_mono_info,
767 		.get = dac_mute_get,
768 		.put = dac_mute_put,
769 	},
770 	{
771 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
772 		.name = "Stereo Upmixing",
773 		.info = upmix_info,
774 		.get = upmix_get,
775 		.put = upmix_put,
776 	},
777 };
778 
779 static const struct snd_kcontrol_new spdif_output_controls[] = {
780 	{
781 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
782 		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
783 		.info = snd_ctl_boolean_mono_info,
784 		.get = spdif_switch_get,
785 		.put = spdif_switch_put,
786 	},
787 	{
788 		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
789 		.device = 1,
790 		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
791 		.info = spdif_info,
792 		.get = spdif_default_get,
793 		.put = spdif_default_put,
794 	},
795 	{
796 		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
797 		.device = 1,
798 		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
799 		.access = SNDRV_CTL_ELEM_ACCESS_READ,
800 		.info = spdif_info,
801 		.get = spdif_mask_get,
802 	},
803 	{
804 		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
805 		.device = 1,
806 		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
807 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
808 			  SNDRV_CTL_ELEM_ACCESS_INACTIVE,
809 		.info = spdif_info,
810 		.get = spdif_pcm_get,
811 		.put = spdif_pcm_put,
812 	},
813 };
814 
815 static const struct snd_kcontrol_new spdif_input_controls[] = {
816 	{
817 		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
818 		.device = 1,
819 		.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
820 		.access = SNDRV_CTL_ELEM_ACCESS_READ,
821 		.info = spdif_info,
822 		.get = spdif_input_mask_get,
823 	},
824 	{
825 		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
826 		.device = 1,
827 		.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
828 		.access = SNDRV_CTL_ELEM_ACCESS_READ,
829 		.info = spdif_info,
830 		.get = spdif_input_default_get,
831 	},
832 	{
833 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
834 		.name = SNDRV_CTL_NAME_IEC958("Loopback ", NONE, SWITCH),
835 		.info = snd_ctl_boolean_mono_info,
836 		.get = spdif_bit_switch_get,
837 		.put = spdif_bit_switch_put,
838 		.private_value = OXYGEN_SPDIF_LOOPBACK,
839 	},
840 	{
841 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
842 		.name = SNDRV_CTL_NAME_IEC958("Validity Check ",CAPTURE,SWITCH),
843 		.info = snd_ctl_boolean_mono_info,
844 		.get = spdif_bit_switch_get,
845 		.put = spdif_bit_switch_put,
846 		.private_value = OXYGEN_SPDIF_SPDVALID,
847 	},
848 };
849 
850 static const struct {
851 	unsigned int pcm_dev;
852 	struct snd_kcontrol_new controls[2];
853 } monitor_controls[] = {
854 	{
855 		.pcm_dev = CAPTURE_0_FROM_I2S_1,
856 		.controls = {
857 			{
858 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
859 				.name = "Analog Input Monitor Playback Switch",
860 				.info = snd_ctl_boolean_mono_info,
861 				.get = monitor_get,
862 				.put = monitor_put,
863 				.private_value = OXYGEN_ADC_MONITOR_A,
864 			},
865 			{
866 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
867 				.name = "Analog Input Monitor Playback Volume",
868 				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
869 					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
870 				.info = monitor_volume_info,
871 				.get = monitor_get,
872 				.put = monitor_put,
873 				.private_value = OXYGEN_ADC_MONITOR_A_HALF_VOL
874 						| (1 << 8),
875 				.tlv = { .p = monitor_db_scale, },
876 			},
877 		},
878 	},
879 	{
880 		.pcm_dev = CAPTURE_0_FROM_I2S_2,
881 		.controls = {
882 			{
883 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
884 				.name = "Analog Input Monitor Playback Switch",
885 				.info = snd_ctl_boolean_mono_info,
886 				.get = monitor_get,
887 				.put = monitor_put,
888 				.private_value = OXYGEN_ADC_MONITOR_B,
889 			},
890 			{
891 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
892 				.name = "Analog Input Monitor Playback Volume",
893 				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
894 					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
895 				.info = monitor_volume_info,
896 				.get = monitor_get,
897 				.put = monitor_put,
898 				.private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
899 						| (1 << 8),
900 				.tlv = { .p = monitor_db_scale, },
901 			},
902 		},
903 	},
904 	{
905 		.pcm_dev = CAPTURE_2_FROM_I2S_2,
906 		.controls = {
907 			{
908 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
909 				.name = "Analog Input Monitor Playback Switch",
910 				.index = 1,
911 				.info = snd_ctl_boolean_mono_info,
912 				.get = monitor_get,
913 				.put = monitor_put,
914 				.private_value = OXYGEN_ADC_MONITOR_B,
915 			},
916 			{
917 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
918 				.name = "Analog Input Monitor Playback Volume",
919 				.index = 1,
920 				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
921 					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
922 				.info = monitor_volume_info,
923 				.get = monitor_get,
924 				.put = monitor_put,
925 				.private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
926 						| (1 << 8),
927 				.tlv = { .p = monitor_db_scale, },
928 			},
929 		},
930 	},
931 	{
932 		.pcm_dev = CAPTURE_3_FROM_I2S_3,
933 		.controls = {
934 			{
935 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
936 				.name = "Analog Input Monitor Playback Switch",
937 				.index = 2,
938 				.info = snd_ctl_boolean_mono_info,
939 				.get = monitor_get,
940 				.put = monitor_put,
941 				.private_value = OXYGEN_ADC_MONITOR_C,
942 			},
943 			{
944 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
945 				.name = "Analog Input Monitor Playback Volume",
946 				.index = 2,
947 				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
948 					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
949 				.info = monitor_volume_info,
950 				.get = monitor_get,
951 				.put = monitor_put,
952 				.private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
953 						| (1 << 8),
954 				.tlv = { .p = monitor_db_scale, },
955 			},
956 		},
957 	},
958 	{
959 		.pcm_dev = CAPTURE_1_FROM_SPDIF,
960 		.controls = {
961 			{
962 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
963 				.name = "Digital Input Monitor Playback Switch",
964 				.info = snd_ctl_boolean_mono_info,
965 				.get = monitor_get,
966 				.put = monitor_put,
967 				.private_value = OXYGEN_ADC_MONITOR_C,
968 			},
969 			{
970 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
971 				.name = "Digital Input Monitor Playback Volume",
972 				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
973 					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
974 				.info = monitor_volume_info,
975 				.get = monitor_get,
976 				.put = monitor_put,
977 				.private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
978 						| (1 << 8),
979 				.tlv = { .p = monitor_db_scale, },
980 			},
981 		},
982 	},
983 };
984 
985 static const struct snd_kcontrol_new ac97_controls[] = {
986 	AC97_VOLUME("Mic Capture Volume", 0, AC97_MIC, 0),
987 	AC97_SWITCH("Mic Capture Switch", 0, AC97_MIC, 15, 1),
988 	AC97_SWITCH("Mic Boost (+20dB)", 0, AC97_MIC, 6, 0),
989 	{
990 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
991 		.name = "Mic Source Capture Enum",
992 		.info = mic_fmic_source_info,
993 		.get = mic_fmic_source_get,
994 		.put = mic_fmic_source_put,
995 	},
996 	AC97_SWITCH("Line Capture Switch", 0, AC97_LINE, 15, 1),
997 	AC97_VOLUME("CD Capture Volume", 0, AC97_CD, 1),
998 	AC97_SWITCH("CD Capture Switch", 0, AC97_CD, 15, 1),
999 	AC97_VOLUME("Aux Capture Volume", 0, AC97_AUX, 1),
1000 	AC97_SWITCH("Aux Capture Switch", 0, AC97_AUX, 15, 1),
1001 };
1002 
1003 static const struct snd_kcontrol_new ac97_fp_controls[] = {
1004 	AC97_VOLUME("Front Panel Playback Volume", 1, AC97_HEADPHONE, 1),
1005 	AC97_SWITCH("Front Panel Playback Switch", 1, AC97_HEADPHONE, 15, 1),
1006 	{
1007 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1008 		.name = "Front Panel Capture Volume",
1009 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1010 			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
1011 		.info = ac97_fp_rec_volume_info,
1012 		.get = ac97_fp_rec_volume_get,
1013 		.put = ac97_fp_rec_volume_put,
1014 		.tlv = { .p = ac97_rec_db_scale, },
1015 	},
1016 	AC97_SWITCH("Front Panel Capture Switch", 1, AC97_REC_GAIN, 15, 1),
1017 };
1018 
oxygen_any_ctl_free(struct snd_kcontrol * ctl)1019 static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
1020 {
1021 	struct oxygen *chip = ctl->private_data;
1022 	unsigned int i;
1023 
1024 	/* I'm too lazy to write a function for each control :-) */
1025 	for (i = 0; i < ARRAY_SIZE(chip->controls); ++i)
1026 		chip->controls[i] = NULL;
1027 }
1028 
add_controls(struct oxygen * chip,const struct snd_kcontrol_new controls[],unsigned int count)1029 static int add_controls(struct oxygen *chip,
1030 			const struct snd_kcontrol_new controls[],
1031 			unsigned int count)
1032 {
1033 	static const char *const known_ctl_names[CONTROL_COUNT] = {
1034 		[CONTROL_SPDIF_PCM] =
1035 			SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
1036 		[CONTROL_SPDIF_INPUT_BITS] =
1037 			SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
1038 		[CONTROL_MIC_CAPTURE_SWITCH] = "Mic Capture Switch",
1039 		[CONTROL_LINE_CAPTURE_SWITCH] = "Line Capture Switch",
1040 		[CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
1041 		[CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
1042 	};
1043 	unsigned int i;
1044 	struct snd_kcontrol_new template;
1045 	struct snd_kcontrol *ctl;
1046 	int j, err;
1047 
1048 	for (i = 0; i < count; ++i) {
1049 		template = controls[i];
1050 		if (chip->model.control_filter) {
1051 			err = chip->model.control_filter(&template);
1052 			if (err < 0)
1053 				return err;
1054 			if (err == 1)
1055 				continue;
1056 		}
1057 		if (!strcmp(template.name, "Stereo Upmixing") &&
1058 		    chip->model.dac_channels_pcm == 2)
1059 			continue;
1060 		if (!strcmp(template.name, "Mic Source Capture Enum") &&
1061 		    !(chip->model.device_config & AC97_FMIC_SWITCH))
1062 			continue;
1063 		if (!strncmp(template.name, "CD Capture ", 11) &&
1064 		    !(chip->model.device_config & AC97_CD_INPUT))
1065 			continue;
1066 		if (!strcmp(template.name, "Master Playback Volume") &&
1067 		    chip->model.dac_tlv) {
1068 			template.tlv.p = chip->model.dac_tlv;
1069 			template.access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1070 		}
1071 		ctl = snd_ctl_new1(&template, chip);
1072 		if (!ctl)
1073 			return -ENOMEM;
1074 		err = snd_ctl_add(chip->card, ctl);
1075 		if (err < 0)
1076 			return err;
1077 		j = match_string(known_ctl_names, CONTROL_COUNT, ctl->id.name);
1078 		if (j >= 0) {
1079 			chip->controls[j] = ctl;
1080 			ctl->private_free = oxygen_any_ctl_free;
1081 		}
1082 	}
1083 	return 0;
1084 }
1085 
oxygen_mixer_init(struct oxygen * chip)1086 int oxygen_mixer_init(struct oxygen *chip)
1087 {
1088 	unsigned int i;
1089 	int err;
1090 
1091 	err = add_controls(chip, controls, ARRAY_SIZE(controls));
1092 	if (err < 0)
1093 		return err;
1094 	if (chip->model.device_config & PLAYBACK_1_TO_SPDIF) {
1095 		err = add_controls(chip, spdif_output_controls,
1096 				   ARRAY_SIZE(spdif_output_controls));
1097 		if (err < 0)
1098 			return err;
1099 	}
1100 	if (chip->model.device_config & CAPTURE_1_FROM_SPDIF) {
1101 		err = add_controls(chip, spdif_input_controls,
1102 				   ARRAY_SIZE(spdif_input_controls));
1103 		if (err < 0)
1104 			return err;
1105 	}
1106 	for (i = 0; i < ARRAY_SIZE(monitor_controls); ++i) {
1107 		if (!(chip->model.device_config & monitor_controls[i].pcm_dev))
1108 			continue;
1109 		err = add_controls(chip, monitor_controls[i].controls,
1110 				   ARRAY_SIZE(monitor_controls[i].controls));
1111 		if (err < 0)
1112 			return err;
1113 	}
1114 	if (chip->has_ac97_0) {
1115 		err = add_controls(chip, ac97_controls,
1116 				   ARRAY_SIZE(ac97_controls));
1117 		if (err < 0)
1118 			return err;
1119 	}
1120 	if (chip->has_ac97_1) {
1121 		err = add_controls(chip, ac97_fp_controls,
1122 				   ARRAY_SIZE(ac97_fp_controls));
1123 		if (err < 0)
1124 			return err;
1125 	}
1126 	return chip->model.mixer_init ? chip->model.mixer_init(chip) : 0;
1127 }
1128