wm8731.c (0cce284537fb42d9c28b9b31038ffc9b464555f5) wm8731.c (cde596c7c07343789e3e0f1c09fc7d3c756c88d0)
1/*
2 * wm8731.c -- WM8731 ALSA SoC Audio driver
3 *
4 * Copyright 2005 Openedhand Ltd.
5 * Copyright 2006-12 Wolfson Microelectronics, plc
6 *
7 * Author: Richard Purdie <richard@openedhand.com>
8 *

--- 74 unchanged lines hidden (view full) ---

83
84static const char *wm8731_input_select[] = {"Line In", "Mic"};
85
86static SOC_ENUM_SINGLE_DECL(wm8731_insel_enum,
87 WM8731_APANA, 2, wm8731_input_select);
88
89static int wm8731_deemph[] = { 0, 32000, 44100, 48000 };
90
1/*
2 * wm8731.c -- WM8731 ALSA SoC Audio driver
3 *
4 * Copyright 2005 Openedhand Ltd.
5 * Copyright 2006-12 Wolfson Microelectronics, plc
6 *
7 * Author: Richard Purdie <richard@openedhand.com>
8 *

--- 74 unchanged lines hidden (view full) ---

83
84static const char *wm8731_input_select[] = {"Line In", "Mic"};
85
86static SOC_ENUM_SINGLE_DECL(wm8731_insel_enum,
87 WM8731_APANA, 2, wm8731_input_select);
88
89static int wm8731_deemph[] = { 0, 32000, 44100, 48000 };
90
91static int wm8731_set_deemph(struct snd_soc_codec *codec)
91static int wm8731_set_deemph(struct snd_soc_component *component)
92{
92{
93 struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
93 struct wm8731_priv *wm8731 = snd_soc_component_get_drvdata(component);
94 int val, i, best;
95
96 /* If we're using deemphasis select the nearest available sample
97 * rate.
98 */
99 if (wm8731->deemph) {
100 best = 1;
101 for (i = 2; i < ARRAY_SIZE(wm8731_deemph); i++) {
102 if (abs(wm8731_deemph[i] - wm8731->playback_fs) <
103 abs(wm8731_deemph[best] - wm8731->playback_fs))
104 best = i;
105 }
106
107 val = best << 1;
108 } else {
109 best = 0;
110 val = 0;
111 }
112
94 int val, i, best;
95
96 /* If we're using deemphasis select the nearest available sample
97 * rate.
98 */
99 if (wm8731->deemph) {
100 best = 1;
101 for (i = 2; i < ARRAY_SIZE(wm8731_deemph); i++) {
102 if (abs(wm8731_deemph[i] - wm8731->playback_fs) <
103 abs(wm8731_deemph[best] - wm8731->playback_fs))
104 best = i;
105 }
106
107 val = best << 1;
108 } else {
109 best = 0;
110 val = 0;
111 }
112
113 dev_dbg(codec->dev, "Set deemphasis %d (%dHz)\n",
113 dev_dbg(component->dev, "Set deemphasis %d (%dHz)\n",
114 best, wm8731_deemph[best]);
115
114 best, wm8731_deemph[best]);
115
116 return snd_soc_update_bits(codec, WM8731_APDIGI, 0x6, val);
116 return snd_soc_component_update_bits(component, WM8731_APDIGI, 0x6, val);
117}
118
119static int wm8731_get_deemph(struct snd_kcontrol *kcontrol,
120 struct snd_ctl_elem_value *ucontrol)
121{
117}
118
119static int wm8731_get_deemph(struct snd_kcontrol *kcontrol,
120 struct snd_ctl_elem_value *ucontrol)
121{
122 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
123 struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
122 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
123 struct wm8731_priv *wm8731 = snd_soc_component_get_drvdata(component);
124
125 ucontrol->value.integer.value[0] = wm8731->deemph;
126
127 return 0;
128}
129
130static int wm8731_put_deemph(struct snd_kcontrol *kcontrol,
131 struct snd_ctl_elem_value *ucontrol)
132{
124
125 ucontrol->value.integer.value[0] = wm8731->deemph;
126
127 return 0;
128}
129
130static int wm8731_put_deemph(struct snd_kcontrol *kcontrol,
131 struct snd_ctl_elem_value *ucontrol)
132{
133 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
134 struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
133 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
134 struct wm8731_priv *wm8731 = snd_soc_component_get_drvdata(component);
135 unsigned int deemph = ucontrol->value.integer.value[0];
136 int ret = 0;
137
138 if (deemph > 1)
139 return -EINVAL;
140
141 mutex_lock(&wm8731->lock);
142 if (wm8731->deemph != deemph) {
143 wm8731->deemph = deemph;
144
135 unsigned int deemph = ucontrol->value.integer.value[0];
136 int ret = 0;
137
138 if (deemph > 1)
139 return -EINVAL;
140
141 mutex_lock(&wm8731->lock);
142 if (wm8731->deemph != deemph) {
143 wm8731->deemph = deemph;
144
145 wm8731_set_deemph(codec);
145 wm8731_set_deemph(component);
146
147 ret = 1;
148 }
149 mutex_unlock(&wm8731->lock);
150
151 return ret;
152}
153

--- 55 unchanged lines hidden (view full) ---

209SND_SOC_DAPM_INPUT("MICIN"),
210SND_SOC_DAPM_INPUT("RLINEIN"),
211SND_SOC_DAPM_INPUT("LLINEIN"),
212};
213
214static int wm8731_check_osc(struct snd_soc_dapm_widget *source,
215 struct snd_soc_dapm_widget *sink)
216{
146
147 ret = 1;
148 }
149 mutex_unlock(&wm8731->lock);
150
151 return ret;
152}
153

--- 55 unchanged lines hidden (view full) ---

209SND_SOC_DAPM_INPUT("MICIN"),
210SND_SOC_DAPM_INPUT("RLINEIN"),
211SND_SOC_DAPM_INPUT("LLINEIN"),
212};
213
214static int wm8731_check_osc(struct snd_soc_dapm_widget *source,
215 struct snd_soc_dapm_widget *sink)
216{
217 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
218 struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
217 struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
218 struct wm8731_priv *wm8731 = snd_soc_component_get_drvdata(component);
219
220 return wm8731->sysclk_type == WM8731_SYSCLK_XTAL;
221}
222
223static const struct snd_soc_dapm_route wm8731_intercon[] = {
224 {"DAC", NULL, "OSC", wm8731_check_osc},
225 {"ADC", NULL, "OSC", wm8731_check_osc},
226 {"DAC", NULL, "ACTIVE"},

--- 105 unchanged lines hidden (view full) ---

332 }
333 return 0;
334}
335
336static int wm8731_hw_params(struct snd_pcm_substream *substream,
337 struct snd_pcm_hw_params *params,
338 struct snd_soc_dai *dai)
339{
219
220 return wm8731->sysclk_type == WM8731_SYSCLK_XTAL;
221}
222
223static const struct snd_soc_dapm_route wm8731_intercon[] = {
224 {"DAC", NULL, "OSC", wm8731_check_osc},
225 {"ADC", NULL, "OSC", wm8731_check_osc},
226 {"DAC", NULL, "ACTIVE"},

--- 105 unchanged lines hidden (view full) ---

332 }
333 return 0;
334}
335
336static int wm8731_hw_params(struct snd_pcm_substream *substream,
337 struct snd_pcm_hw_params *params,
338 struct snd_soc_dai *dai)
339{
340 struct snd_soc_codec *codec = dai->codec;
341 struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
342 u16 iface = snd_soc_read(codec, WM8731_IFACE) & 0xfff3;
340 struct snd_soc_component *component = dai->component;
341 struct wm8731_priv *wm8731 = snd_soc_component_get_drvdata(component);
342 u16 iface = snd_soc_component_read32(component, WM8731_IFACE) & 0xfff3;
343 int i = get_coeff(wm8731->sysclk, params_rate(params));
344 u16 srate = (coeff_div[i].sr << 2) |
345 (coeff_div[i].bosr << 1) | coeff_div[i].usb;
346
347 wm8731->playback_fs = params_rate(params);
348
343 int i = get_coeff(wm8731->sysclk, params_rate(params));
344 u16 srate = (coeff_div[i].sr << 2) |
345 (coeff_div[i].bosr << 1) | coeff_div[i].usb;
346
347 wm8731->playback_fs = params_rate(params);
348
349 snd_soc_write(codec, WM8731_SRATE, srate);
349 snd_soc_component_write(component, WM8731_SRATE, srate);
350
351 /* bit size */
352 switch (params_width(params)) {
353 case 16:
354 break;
355 case 20:
356 iface |= 0x0004;
357 break;
358 case 24:
359 iface |= 0x0008;
360 break;
361 case 32:
362 iface |= 0x000c;
363 break;
364 }
365
350
351 /* bit size */
352 switch (params_width(params)) {
353 case 16:
354 break;
355 case 20:
356 iface |= 0x0004;
357 break;
358 case 24:
359 iface |= 0x0008;
360 break;
361 case 32:
362 iface |= 0x000c;
363 break;
364 }
365
366 wm8731_set_deemph(codec);
366 wm8731_set_deemph(component);
367
367
368 snd_soc_write(codec, WM8731_IFACE, iface);
368 snd_soc_component_write(component, WM8731_IFACE, iface);
369 return 0;
370}
371
372static int wm8731_mute(struct snd_soc_dai *dai, int mute)
373{
369 return 0;
370}
371
372static int wm8731_mute(struct snd_soc_dai *dai, int mute)
373{
374 struct snd_soc_codec *codec = dai->codec;
375 u16 mute_reg = snd_soc_read(codec, WM8731_APDIGI) & 0xfff7;
374 struct snd_soc_component *component = dai->component;
375 u16 mute_reg = snd_soc_component_read32(component, WM8731_APDIGI) & 0xfff7;
376
377 if (mute)
376
377 if (mute)
378 snd_soc_write(codec, WM8731_APDIGI, mute_reg | 0x8);
378 snd_soc_component_write(component, WM8731_APDIGI, mute_reg | 0x8);
379 else
379 else
380 snd_soc_write(codec, WM8731_APDIGI, mute_reg);
380 snd_soc_component_write(component, WM8731_APDIGI, mute_reg);
381 return 0;
382}
383
384static int wm8731_set_dai_sysclk(struct snd_soc_dai *codec_dai,
385 int clk_id, unsigned int freq, int dir)
386{
381 return 0;
382}
383
384static int wm8731_set_dai_sysclk(struct snd_soc_dai *codec_dai,
385 int clk_id, unsigned int freq, int dir)
386{
387 struct snd_soc_codec *codec = codec_dai->codec;
388 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
389 struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
387 struct snd_soc_component *component = codec_dai->component;
388 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
389 struct wm8731_priv *wm8731 = snd_soc_component_get_drvdata(component);
390
391 switch (clk_id) {
392 case WM8731_SYSCLK_XTAL:
393 case WM8731_SYSCLK_MCLK:
394 if (wm8731->mclk && clk_set_rate(wm8731->mclk, freq))
395 return -EINVAL;
396 wm8731->sysclk_type = clk_id;
397 break;

--- 26 unchanged lines hidden (view full) ---

424
425 return 0;
426}
427
428
429static int wm8731_set_dai_fmt(struct snd_soc_dai *codec_dai,
430 unsigned int fmt)
431{
390
391 switch (clk_id) {
392 case WM8731_SYSCLK_XTAL:
393 case WM8731_SYSCLK_MCLK:
394 if (wm8731->mclk && clk_set_rate(wm8731->mclk, freq))
395 return -EINVAL;
396 wm8731->sysclk_type = clk_id;
397 break;

--- 26 unchanged lines hidden (view full) ---

424
425 return 0;
426}
427
428
429static int wm8731_set_dai_fmt(struct snd_soc_dai *codec_dai,
430 unsigned int fmt)
431{
432 struct snd_soc_codec *codec = codec_dai->codec;
432 struct snd_soc_component *component = codec_dai->component;
433 u16 iface = 0;
434
435 /* set master/slave audio interface */
436 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
437 case SND_SOC_DAIFMT_CBM_CFM:
438 iface |= 0x0040;
439 break;
440 case SND_SOC_DAIFMT_CBS_CFS:

--- 35 unchanged lines hidden (view full) ---

476 case SND_SOC_DAIFMT_NB_IF:
477 iface |= 0x0010;
478 break;
479 default:
480 return -EINVAL;
481 }
482
483 /* set iface */
433 u16 iface = 0;
434
435 /* set master/slave audio interface */
436 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
437 case SND_SOC_DAIFMT_CBM_CFM:
438 iface |= 0x0040;
439 break;
440 case SND_SOC_DAIFMT_CBS_CFS:

--- 35 unchanged lines hidden (view full) ---

476 case SND_SOC_DAIFMT_NB_IF:
477 iface |= 0x0010;
478 break;
479 default:
480 return -EINVAL;
481 }
482
483 /* set iface */
484 snd_soc_write(codec, WM8731_IFACE, iface);
484 snd_soc_component_write(component, WM8731_IFACE, iface);
485 return 0;
486}
487
485 return 0;
486}
487
488static int wm8731_set_bias_level(struct snd_soc_codec *codec,
488static int wm8731_set_bias_level(struct snd_soc_component *component,
489 enum snd_soc_bias_level level)
490{
489 enum snd_soc_bias_level level)
490{
491 struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
491 struct wm8731_priv *wm8731 = snd_soc_component_get_drvdata(component);
492 int ret;
493 u16 reg;
494
495 switch (level) {
496 case SND_SOC_BIAS_ON:
497 if (wm8731->mclk) {
498 ret = clk_prepare_enable(wm8731->mclk);
499 if (ret)
500 return ret;
501 }
502 break;
503 case SND_SOC_BIAS_PREPARE:
504 break;
505 case SND_SOC_BIAS_STANDBY:
492 int ret;
493 u16 reg;
494
495 switch (level) {
496 case SND_SOC_BIAS_ON:
497 if (wm8731->mclk) {
498 ret = clk_prepare_enable(wm8731->mclk);
499 if (ret)
500 return ret;
501 }
502 break;
503 case SND_SOC_BIAS_PREPARE:
504 break;
505 case SND_SOC_BIAS_STANDBY:
506 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
506 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
507 ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies),
508 wm8731->supplies);
509 if (ret != 0)
510 return ret;
511
512 regcache_sync(wm8731->regmap);
513 }
514
515 /* Clear PWROFF, gate CLKOUT, everything else as-is */
507 ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies),
508 wm8731->supplies);
509 if (ret != 0)
510 return ret;
511
512 regcache_sync(wm8731->regmap);
513 }
514
515 /* Clear PWROFF, gate CLKOUT, everything else as-is */
516 reg = snd_soc_read(codec, WM8731_PWR) & 0xff7f;
517 snd_soc_write(codec, WM8731_PWR, reg | 0x0040);
516 reg = snd_soc_component_read32(component, WM8731_PWR) & 0xff7f;
517 snd_soc_component_write(component, WM8731_PWR, reg | 0x0040);
518 break;
519 case SND_SOC_BIAS_OFF:
520 if (wm8731->mclk)
521 clk_disable_unprepare(wm8731->mclk);
518 break;
519 case SND_SOC_BIAS_OFF:
520 if (wm8731->mclk)
521 clk_disable_unprepare(wm8731->mclk);
522 snd_soc_write(codec, WM8731_PWR, 0xffff);
522 snd_soc_component_write(component, WM8731_PWR, 0xffff);
523 regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies),
524 wm8731->supplies);
525 regcache_mark_dirty(wm8731->regmap);
526 break;
527 }
528 return 0;
529}
530
531static int wm8731_startup(struct snd_pcm_substream *substream,
532 struct snd_soc_dai *dai)
533{
523 regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies),
524 wm8731->supplies);
525 regcache_mark_dirty(wm8731->regmap);
526 break;
527 }
528 return 0;
529}
530
531static int wm8731_startup(struct snd_pcm_substream *substream,
532 struct snd_soc_dai *dai)
533{
534 struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(dai->codec);
534 struct wm8731_priv *wm8731 = snd_soc_component_get_drvdata(dai->component);
535
536 if (wm8731->constraints)
537 snd_pcm_hw_constraint_list(substream->runtime, 0,
538 SNDRV_PCM_HW_PARAM_RATE,
539 wm8731->constraints);
540
541 return 0;
542}

--- 80 unchanged lines hidden (view full) ---

623
624err_regulator_enable:
625 /* Regulators will be enabled by bias management */
626 regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
627
628 return ret;
629}
630
535
536 if (wm8731->constraints)
537 snd_pcm_hw_constraint_list(substream->runtime, 0,
538 SNDRV_PCM_HW_PARAM_RATE,
539 wm8731->constraints);
540
541 return 0;
542}

--- 80 unchanged lines hidden (view full) ---

623
624err_regulator_enable:
625 /* Regulators will be enabled by bias management */
626 regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
627
628 return ret;
629}
630
631static const struct snd_soc_codec_driver soc_codec_dev_wm8731 = {
632 .set_bias_level = wm8731_set_bias_level,
633 .suspend_bias_off = true,
634
635 .component_driver = {
636 .controls = wm8731_snd_controls,
637 .num_controls = ARRAY_SIZE(wm8731_snd_controls),
638 .dapm_widgets = wm8731_dapm_widgets,
639 .num_dapm_widgets = ARRAY_SIZE(wm8731_dapm_widgets),
640 .dapm_routes = wm8731_intercon,
641 .num_dapm_routes = ARRAY_SIZE(wm8731_intercon),
642 },
631static const struct snd_soc_component_driver soc_component_dev_wm8731 = {
632 .set_bias_level = wm8731_set_bias_level,
633 .controls = wm8731_snd_controls,
634 .num_controls = ARRAY_SIZE(wm8731_snd_controls),
635 .dapm_widgets = wm8731_dapm_widgets,
636 .num_dapm_widgets = ARRAY_SIZE(wm8731_dapm_widgets),
637 .dapm_routes = wm8731_intercon,
638 .num_dapm_routes = ARRAY_SIZE(wm8731_intercon),
639 .suspend_bias_off = 1,
640 .idle_bias_on = 1,
641 .use_pmdown_time = 1,
642 .endianness = 1,
643 .non_legacy_dai_naming = 1,
643};
644
645static const struct of_device_id wm8731_of_match[] = {
646 { .compatible = "wlf,wm8731", },
647 { }
648};
649
650MODULE_DEVICE_TABLE(of, wm8731_of_match);

--- 48 unchanged lines hidden (view full) ---

699 ret);
700 return ret;
701 }
702
703 ret = wm8731_hw_init(&spi->dev, wm8731);
704 if (ret != 0)
705 return ret;
706
644};
645
646static const struct of_device_id wm8731_of_match[] = {
647 { .compatible = "wlf,wm8731", },
648 { }
649};
650
651MODULE_DEVICE_TABLE(of, wm8731_of_match);

--- 48 unchanged lines hidden (view full) ---

700 ret);
701 return ret;
702 }
703
704 ret = wm8731_hw_init(&spi->dev, wm8731);
705 if (ret != 0)
706 return ret;
707
707 ret = snd_soc_register_codec(&spi->dev,
708 &soc_codec_dev_wm8731, &wm8731_dai, 1);
708 ret = devm_snd_soc_register_component(&spi->dev,
709 &soc_component_dev_wm8731, &wm8731_dai, 1);
709 if (ret != 0) {
710 dev_err(&spi->dev, "Failed to register CODEC: %d\n", ret);
711 return ret;
712 }
713
714 return 0;
715}
716
717static int wm8731_spi_remove(struct spi_device *spi)
718{
710 if (ret != 0) {
711 dev_err(&spi->dev, "Failed to register CODEC: %d\n", ret);
712 return ret;
713 }
714
715 return 0;
716}
717
718static int wm8731_spi_remove(struct spi_device *spi)
719{
719 snd_soc_unregister_codec(&spi->dev);
720 return 0;
721}
722
723static struct spi_driver wm8731_spi_driver = {
724 .driver = {
725 .name = "wm8731",
726 .of_match_table = wm8731_of_match,
727 },

--- 42 unchanged lines hidden (view full) ---

770 ret);
771 return ret;
772 }
773
774 ret = wm8731_hw_init(&i2c->dev, wm8731);
775 if (ret != 0)
776 return ret;
777
720 return 0;
721}
722
723static struct spi_driver wm8731_spi_driver = {
724 .driver = {
725 .name = "wm8731",
726 .of_match_table = wm8731_of_match,
727 },

--- 42 unchanged lines hidden (view full) ---

770 ret);
771 return ret;
772 }
773
774 ret = wm8731_hw_init(&i2c->dev, wm8731);
775 if (ret != 0)
776 return ret;
777
778 ret = snd_soc_register_codec(&i2c->dev,
779 &soc_codec_dev_wm8731, &wm8731_dai, 1);
778 ret = devm_snd_soc_register_component(&i2c->dev,
779 &soc_component_dev_wm8731, &wm8731_dai, 1);
780 if (ret != 0) {
781 dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
782 return ret;
783 }
784
785 return 0;
786}
787
788static int wm8731_i2c_remove(struct i2c_client *client)
789{
780 if (ret != 0) {
781 dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
782 return ret;
783 }
784
785 return 0;
786}
787
788static int wm8731_i2c_remove(struct i2c_client *client)
789{
790 snd_soc_unregister_codec(&client->dev);
791 return 0;
792}
793
794static const struct i2c_device_id wm8731_i2c_id[] = {
795 { "wm8731", 0 },
796 { }
797};
798MODULE_DEVICE_TABLE(i2c, wm8731_i2c_id);

--- 47 unchanged lines hidden --- 		790 return 0;
791}
792
793static const struct i2c_device_id wm8731_i2c_id[] = {
794 { "wm8731", 0 },
795 { }
796};
797MODULE_DEVICE_TABLE(i2c, wm8731_i2c_id);

--- 47 unchanged lines hidden ---