1 // SPDX-License-Identifier: GPL-2.0-only
3  * wm8737.c  --  WM8737 ALSA SoC Audio driver
25 #include <sound/soc-dapm.h>
47 	{  0, 0x00C3 },     /* R0  - Left PGA volume */
48 	{  1, 0x00C3 },     /* R1  - Right PGA volume */
49 	{  2, 0x0007 },     /* R2  - AUDIO path L */
50 	{  3, 0x0007 },     /* R3  - AUDIO path R */
51 	{  4, 0x0000 },     /* R4  - 3D Enhance */
52 	{  5, 0x0000 },     /* R5  - ADC Control */
53 	{  6, 0x0000 },     /* R6  - Power Management */
54 	{  7, 0x000A },     /* R7  - Audio Format */
55 	{  8, 0x0000 },     /* R8  - Clocking */
56 	{  9, 0x000F },     /* R9  - MIC Preamp Control */
57 	{ 10, 0x0003 },     /* R10 - Misc Bias Control */
58 	{ 11, 0x0000 },     /* R11 - Noise Gate */
59 	{ 12, 0x007C },     /* R12 - ALC1 */
60 	{ 13, 0x0000 },     /* R13 - ALC2 */
61 	{ 14, 0x0032 },     /* R14 - ALC3 */
85 static const DECLARE_TLV_DB_SCALE(pga_tlv, -9750, 50, 1);
86 static const DECLARE_TLV_DB_SCALE(adc_tlv, -600, 600, 0);
87 static const DECLARE_TLV_DB_SCALE(ng_tlv, -7800, 600, 0);
88 static const DECLARE_TLV_DB_SCALE(alc_max_tlv, -1200, 600, 0);
89 static const DECLARE_TLV_DB_SCALE(alc_target_tlv, -1800, 100, 0);
123 	"0", "2.67ms", "5.33ms", "10.66ms", "21.32ms", "42.64ms", "85.28ms",
124 	"170.56ms", "341.12ms", "682.24ms", "1.364s", "2.728s", "5.458s",
132 	"8.4ms", "16.8ms", "33.6ms", "67.2ms", "134.4ms", "268.8ms", "537.6ms",
140 	"33.6ms", "67.2ms", "134.4ms", "268.8ms", "537.6ms", "1.075s", "2.15s",
160 SOC_DOUBLE("INPUT1 DC Bias Switch", WM8737_MISC_BIAS_CONTROL, 0, 1, 1, 0),
162 SOC_ENUM("Mic PGA Bias", micbias_enum),
169 SOC_ENUM("3D Low Cut-off", low_3d),
170 SOC_ENUM("3D High Cut-off", high_3d),
328 	struct snd_soc_component *component = dai->component;  in wm8737_hw_params()
338 		if (coeff_div[i].mclk == wm8737->mclk)  in wm8737_hw_params()
341 		if (coeff_div[i].mclk == wm8737->mclk * 2) {  in wm8737_hw_params()
348 		dev_err(component->dev, "%dHz MCLK can't support %dHz\n",  in wm8737_hw_params()
349 			wm8737->mclk, params_rate(params));  in wm8737_hw_params()
350 		return -EINVAL;  in wm8737_hw_params()
368 		return -EINVAL;  in wm8737_hw_params()
382 	struct snd_soc_component *component = codec_dai->component;  in wm8737_set_dai_sysclk()
389 			wm8737->mclk = freq;  in wm8737_set_dai_sysclk()
394 	dev_err(component->dev, "MCLK rate %dHz not supported\n", freq);  in wm8737_set_dai_sysclk()
396 	return -EINVAL;  in wm8737_set_dai_sysclk()
403 	struct snd_soc_component *component = codec_dai->component;  in wm8737_set_dai_fmt()
413 		return -EINVAL;  in wm8737_set_dai_fmt()
432 		return -EINVAL;  in wm8737_set_dai_fmt()
442 		return -EINVAL;  in wm8737_set_dai_fmt()
469 			ret = regulator_bulk_enable(ARRAY_SIZE(wm8737->supplies),  in wm8737_set_bias_level()
470 						    wm8737->supplies);  in wm8737_set_bias_level()
472 				dev_err(component->dev,  in wm8737_set_bias_level()
478 			regcache_sync(wm8737->regmap);  in wm8737_set_bias_level()
480 			/* Fast VMID ramp at 2*2.5k */  in wm8737_set_bias_level()
506 		regulator_bulk_disable(ARRAY_SIZE(wm8737->supplies),  in wm8737_set_bias_level()
507 				       wm8737->supplies);  in wm8737_set_bias_level()
542 	ret = regulator_bulk_enable(ARRAY_SIZE(wm8737->supplies),  in wm8737_probe()
543 				    wm8737->supplies);  in wm8737_probe()
545 		dev_err(component->dev, "Failed to enable supplies: %d\n", ret);  in wm8737_probe()
551 		dev_err(component->dev, "Failed to issue reset\n");  in wm8737_probe()
562 	/* Bias level configuration will have done an extra enable */  in wm8737_probe()
563 	regulator_bulk_disable(ARRAY_SIZE(wm8737->supplies), wm8737->supplies);  in wm8737_probe()
568 	regulator_bulk_disable(ARRAY_SIZE(wm8737->supplies), wm8737->supplies);  in wm8737_probe()
615 	wm8737 = devm_kzalloc(&i2c->dev, sizeof(struct wm8737_priv),  in wm8737_i2c_probe()
618 		return -ENOMEM;  in wm8737_i2c_probe()
620 	for (i = 0; i < ARRAY_SIZE(wm8737->supplies); i++)  in wm8737_i2c_probe()
621 		wm8737->supplies[i].supply = wm8737_supply_names[i];  in wm8737_i2c_probe()
623 	ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8737->supplies),  in wm8737_i2c_probe()
624 				      wm8737->supplies);  in wm8737_i2c_probe()
626 		dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);  in wm8737_i2c_probe()
630 	wm8737->regmap = devm_regmap_init_i2c(i2c, &wm8737_regmap);  in wm8737_i2c_probe()
631 	if (IS_ERR(wm8737->regmap))  in wm8737_i2c_probe()
632 		return PTR_ERR(wm8737->regmap);  in wm8737_i2c_probe()
636 	ret = devm_snd_soc_register_component(&i2c->dev,  in wm8737_i2c_probe()
665 	wm8737 = devm_kzalloc(&spi->dev, sizeof(struct wm8737_priv),  in wm8737_spi_probe()
668 		return -ENOMEM;  in wm8737_spi_probe()
670 	for (i = 0; i < ARRAY_SIZE(wm8737->supplies); i++)  in wm8737_spi_probe()
671 		wm8737->supplies[i].supply = wm8737_supply_names[i];  in wm8737_spi_probe()
673 	ret = devm_regulator_bulk_get(&spi->dev, ARRAY_SIZE(wm8737->supplies),  in wm8737_spi_probe()
674 				      wm8737->supplies);  in wm8737_spi_probe()
676 		dev_err(&spi->dev, "Failed to request supplies: %d\n", ret);  in wm8737_spi_probe()
680 	wm8737->regmap = devm_regmap_init_spi(spi, &wm8737_regmap);  in wm8737_spi_probe()
681 	if (IS_ERR(wm8737->regmap))  in wm8737_spi_probe()
682 		return PTR_ERR(wm8737->regmap);  in wm8737_spi_probe()
686 	ret = devm_snd_soc_register_component(&spi->dev,  in wm8737_spi_probe()