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()
613 	wm8737 = devm_kzalloc(&i2c->dev, sizeof(struct wm8737_priv),  in wm8737_i2c_probe()
616 		return -ENOMEM;  in wm8737_i2c_probe()
618 	for (i = 0; i < ARRAY_SIZE(wm8737->supplies); i++)  in wm8737_i2c_probe()
619 		wm8737->supplies[i].supply = wm8737_supply_names[i];  in wm8737_i2c_probe()
621 	ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8737->supplies),  in wm8737_i2c_probe()
622 				      wm8737->supplies);  in wm8737_i2c_probe()
624 		dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);  in wm8737_i2c_probe()
628 	wm8737->regmap = devm_regmap_init_i2c(i2c, &wm8737_regmap);  in wm8737_i2c_probe()
629 	if (IS_ERR(wm8737->regmap))  in wm8737_i2c_probe()
630 		return PTR_ERR(wm8737->regmap);  in wm8737_i2c_probe()
634 	ret = devm_snd_soc_register_component(&i2c->dev,  in wm8737_i2c_probe()
663 	wm8737 = devm_kzalloc(&spi->dev, sizeof(struct wm8737_priv),  in wm8737_spi_probe()
666 		return -ENOMEM;  in wm8737_spi_probe()
668 	for (i = 0; i < ARRAY_SIZE(wm8737->supplies); i++)  in wm8737_spi_probe()
669 		wm8737->supplies[i].supply = wm8737_supply_names[i];  in wm8737_spi_probe()
671 	ret = devm_regulator_bulk_get(&spi->dev, ARRAY_SIZE(wm8737->supplies),  in wm8737_spi_probe()
672 				      wm8737->supplies);  in wm8737_spi_probe()
674 		dev_err(&spi->dev, "Failed to request supplies: %d\n", ret);  in wm8737_spi_probe()
678 	wm8737->regmap = devm_regmap_init_spi(spi, &wm8737_regmap);  in wm8737_spi_probe()
679 	if (IS_ERR(wm8737->regmap))  in wm8737_spi_probe()
680 		return PTR_ERR(wm8737->regmap);  in wm8737_spi_probe()
684 	ret = devm_snd_soc_register_component(&spi->dev,  in wm8737_spi_probe()