1 // SPDX-License-Identifier: GPL-2.0
3  * es8311.c  --  ES8311/ES8312 ALSA SoC Audio Codec
7  * Authors:  David Yang(yangxiaohua@everest-semi.com)
10  * Based on es8374.c by David Yang(yangxiaohua@everest-semi.com)
52 				  -9550, 50, true);
54 				  -9550, 50, true);
62 				  -3600, 200, false);
64 				  -3600, 200, false);
66 				  -9600, 600, false);
126 	SOC_SINGLE_TLV("MIC PGA GAIN", ES8311_SYSTEM_REG14,
236 	SND_SOC_DAPM_PGA("INPUT PGA", ES8311_SYSTEM_REG0E,
263 	{"INPUT PGA", NULL, "AMIC"},
264 	{"MONO ADC", NULL, "INPUT PGA"},
279 	struct snd_soc_component *component = codec_dai->component;  in es8311_set_dai_fmt()
297 		return -EINVAL;  in es8311_set_dai_fmt()
327 		return -EINVAL;  in es8311_set_dai_fmt()
357 			return -EINVAL;  in es8311_set_dai_fmt()
371 	struct snd_soc_component *component = dai->component;  in es8311_pcm_startup()
374 	clk_prepare_enable(es8311->mclk_in);  in es8311_pcm_startup()
382 	struct snd_soc_component *component = dai->component;  in es8311_pcm_shutdown()
385 	clk_disable_unprepare(es8311->mclk_in);  in es8311_pcm_shutdown()
392 	struct snd_soc_component *component = dai->component;  in es8311_pcm_hw_params()
395 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in es8311_pcm_hw_params()
446 		if (IS_ERR(es8311->mclk_in))  in es8311_set_bias_level()
450 			clk_disable_unprepare(es8311->mclk_in);  in es8311_set_bias_level()
452 			ret = clk_prepare_enable(es8311->mclk_in);  in es8311_set_bias_level()
469 	struct snd_soc_component *component = dai->component;  in es8311_set_tristate()
482 	struct snd_soc_component *component = dai->component;  in es8311_mute()
488 		if (es8311->spk_ctl_gpio)  in es8311_mute()
489 			gpiod_direction_output(es8311->spk_ctl_gpio, 0);  in es8311_mute()
493 		if (es8311->spk_ctl_gpio) {  in es8311_mute()
494 			gpiod_direction_output(es8311->spk_ctl_gpio, 1);  in es8311_mute()
495 			if (es8311->delay_pa_drv_ms)  in es8311_mute()
496 				msleep(es8311->delay_pa_drv_ms);  in es8311_mute()
565 	/* ensure select Mic1p-Mic1n by default. */  in es8311_regs_init()
576 	es8311->component = component;  in es8311_probe()
580 	if (es8311->aec_mode)  in es8311_probe()
582 					      0x70, es8311->aec_mode << 4);  in es8311_probe()
583 	if (es8311->adc_pga_gain)  in es8311_probe()
585 					      0x0f, es8311->adc_pga_gain);  in es8311_probe()
586 	if (es8311->adc_volume)  in es8311_probe()
588 					es8311->adc_volume);  in es8311_probe()
589 	if (es8311->dac_volume)  in es8311_probe()
591 					es8311->dac_volume);  in es8311_probe()
625 	np = client->dev.of_node;  in es8311_parse_dt()
627 		return -EINVAL;  in es8311_parse_dt()
629 	es8311->delay_pa_drv_ms = 0;  in es8311_parse_dt()
630 	es8311->spk_ctl_gpio = devm_gpiod_get_optional(&client->dev, "spk-ctl",  in es8311_parse_dt()
632 	if (!es8311->spk_ctl_gpio) {  in es8311_parse_dt()
633 		dev_info(&client->dev, "Don't need spk-ctl gpio\n");  in es8311_parse_dt()
634 	} else if (IS_ERR(es8311->spk_ctl_gpio)) {  in es8311_parse_dt()
635 		ret = PTR_ERR(es8311->spk_ctl_gpio);  in es8311_parse_dt()
636 		dev_err(&client->dev, "Unable to claim gpio spk-ctl\n");  in es8311_parse_dt()
639 	ret = of_property_read_s32(np, "delay-pa-drv-ms",  in es8311_parse_dt()
640 				   &es8311->delay_pa_drv_ms);  in es8311_parse_dt()
641 	if (ret < 0 && ret != -EINVAL) {  in es8311_parse_dt()
642 		dev_err(&client->dev,  in es8311_parse_dt()
643 			"Failed to read 'rockchip,delay-pa-drv-ms': %d\n",  in es8311_parse_dt()
648 	es8311->adc_pga_gain = 0; /* ADC PGA Gain is 0dB by default reset. */  in es8311_parse_dt()
649 	if (!of_property_read_u32(np, "adc-pga-gain", &v)) {  in es8311_parse_dt()
651 			es8311->adc_pga_gain = v;  in es8311_parse_dt()
653 			dev_warn(&client->dev,  in es8311_parse_dt()
654 				 "adc-pga-gain (%d) is out of range\n", v);  in es8311_parse_dt()
657 	es8311->adc_volume = 0; /* ADC Volume is -95dB by default reset. */  in es8311_parse_dt()
658 	if (!of_property_read_u32(np, "adc-volume", &v)) {  in es8311_parse_dt()
660 			es8311->adc_volume = v;  in es8311_parse_dt()
662 			dev_warn(&client->dev,  in es8311_parse_dt()
663 				 "adc-volume (0x%02x) is out of range\n", v);  in es8311_parse_dt()
666 	es8311->dac_volume = 0; /* DAC Volume is -95dB by default reset. */  in es8311_parse_dt()
667 	if (!of_property_read_u32(np, "dac-volume", &v)) {  in es8311_parse_dt()
669 			es8311->dac_volume = v;  in es8311_parse_dt()
671 			dev_warn(&client->dev,  in es8311_parse_dt()
672 				 "dac-volume (0x%02x) is out of range\n", v);  in es8311_parse_dt()
675 	es8311->aec_mode = 0; /* ADCDAT: 0 is ADC + ADC (default) */  in es8311_parse_dt()
676 	if (!of_property_read_string(np, "aec-mode", &str)) {  in es8311_parse_dt()
681 				es8311->aec_mode = i;  in es8311_parse_dt()
697 	es8311 = devm_kzalloc(&i2c_client->dev,  in es8311_i2c_probe()
700 		return -ENOMEM;  in es8311_i2c_probe()
708 	es8311->mclk_in = devm_clk_get(&i2c_client->dev, "mclk");  in es8311_i2c_probe()
709 	if (IS_ERR(es8311->mclk_in))  in es8311_i2c_probe()
710 		return PTR_ERR(es8311->mclk_in);  in es8311_i2c_probe()
714 		dev_err(&i2c_client->dev, "Parse DT failed: %d\n", ret);  in es8311_i2c_probe()
718 	return devm_snd_soc_register_component(&i2c_client->dev,  in es8311_i2c_probe()
728 	snd_soc_component_write(es8311->component, ES8311_I2C_REGFA, 0x01);  in es8311_i2c_shutdown()
755 MODULE_AUTHOR("David Yang <yangxiaohua@everest-semi.com>");