1 // SPDX-License-Identifier: GPL-2.0
3 // ALSA SoC Texas Instruments TAS2770 20-W Digital Input Mono Class-D
6 // Copyright (C) 2016-2017 Texas Instruments Incorporated - https://www.ti.com/
7 //	Author: Tracy Yi <tracy-yi@ti.com>
37 	if (tas2770->reset_gpio) {  in tas2770_reset()
38 		gpiod_set_value_cansleep(tas2770->reset_gpio, 0);  in tas2770_reset()
40 		gpiod_set_value_cansleep(tas2770->reset_gpio, 1);  in tas2770_reset()
43 	snd_soc_component_write(tas2770->component, TAS2770_SW_RST,  in tas2770_reset()
72 		dev_err(tas2770->dev, "wrong power level setting %d\n", level);  in tas2770_set_bias_level()
73 		return -EINVAL;  in tas2770_set_bias_level()
85 	regcache_cache_only(tas2770->regmap, true);  in tas2770_codec_suspend()
86 	regcache_mark_dirty(tas2770->regmap);  in tas2770_codec_suspend()
88 	if (tas2770->sdz_gpio) {  in tas2770_codec_suspend()
89 		gpiod_set_value_cansleep(tas2770->sdz_gpio, 0);  in tas2770_codec_suspend()
95 			regcache_cache_only(tas2770->regmap, false);  in tas2770_codec_suspend()
96 			regcache_sync(tas2770->regmap);  in tas2770_codec_suspend()
111 	if (tas2770->sdz_gpio) {  in tas2770_codec_resume()
112 		gpiod_set_value_cansleep(tas2770->sdz_gpio, 1);  in tas2770_codec_resume()
121 	regcache_cache_only(tas2770->regmap, false);  in tas2770_codec_resume()
123 	return regcache_sync(tas2770->regmap);  in tas2770_codec_resume()
145 			snd_soc_dapm_to_component(w->dapm);  in tas2770_dac_event()
162 		dev_err(tas2770->dev, "Not supported evevt\n");  in tas2770_dac_event()
163 		return -EINVAL;  in tas2770_dac_event()
185 	SND_SOC_DAPM_SIGGEN("VMON"),
197 	{"VSENSE", "Switch", "VMON"},
202 	struct snd_soc_component *component = dai->component;  in tas2770_mute()
223 	struct snd_soc_component *component = tas2770->component;  in tas2770_set_bitwidth()
230 		tas2770->v_sense_slot = tas2770->i_sense_slot + 2;  in tas2770_set_bitwidth()
236 		tas2770->v_sense_slot = tas2770->i_sense_slot + 4;  in tas2770_set_bitwidth()
242 		tas2770->v_sense_slot = tas2770->i_sense_slot + 4;  in tas2770_set_bitwidth()
246 		return -EINVAL;  in tas2770_set_bitwidth()
256 		tas2770->v_sense_slot);  in tas2770_set_bitwidth()
264 					    tas2770->i_sense_slot);  in tas2770_set_bitwidth()
273 	struct snd_soc_component *component = tas2770->component;  in tas2770_set_samplerate()
303 		return -EINVAL;  in tas2770_set_samplerate()
320 	struct snd_soc_component *component = dai->component;  in tas2770_hw_params()
334 	struct snd_soc_component *component = dai->component;  in tas2770_set_fmt()
344 		dev_err(tas2770->dev, "ASI format master is not found\n");  in tas2770_set_fmt()
345 		return -EINVAL;  in tas2770_set_fmt()
356 		dev_err(tas2770->dev, "ASI format Inverse is not found\n");  in tas2770_set_fmt()
357 		return -EINVAL;  in tas2770_set_fmt()
380 		dev_err(tas2770->dev,  in tas2770_set_fmt()
382 		return -EINVAL;  in tas2770_set_fmt()
399 	struct snd_soc_component *component = dai->component;  in tas2770_set_dai_tdm_slot()
404 		return -EINVAL;  in tas2770_set_dai_tdm_slot()
408 			return -EINVAL;  in tas2770_set_dai_tdm_slot()
424 		return -EINVAL;  in tas2770_set_dai_tdm_slot()
454 		/* Do not change slot width */  in tas2770_set_dai_tdm_slot()
458 		ret = -EINVAL;  in tas2770_set_dai_tdm_slot()
511 	tas2770->component = component;  in tas2770_codec_probe()
513 	if (tas2770->sdz_gpio)  in tas2770_codec_probe()
514 		gpiod_set_value_cansleep(tas2770->sdz_gpio, 1);  in tas2770_codec_probe()
522 static DECLARE_TLV_DB_SCALE(tas2770_playback_volume, -12750, 50, 0);
549 	return devm_snd_soc_register_component(tas2770->dev,  in tas2770_register_codec()
641 	rc = fwnode_property_read_u32(dev->fwnode, "ti,imon-slot-no",  in tas2770_parse_dt()
642 				      &tas2770->i_sense_slot);  in tas2770_parse_dt()
644 		dev_info(tas2770->dev, "Property %s is missing setting default slot\n",  in tas2770_parse_dt()
645 			 "ti,imon-slot-no");  in tas2770_parse_dt()
647 		tas2770->i_sense_slot = 0;  in tas2770_parse_dt()
650 	rc = fwnode_property_read_u32(dev->fwnode, "ti,vmon-slot-no",  in tas2770_parse_dt()
651 				      &tas2770->v_sense_slot);  in tas2770_parse_dt()
653 		dev_info(tas2770->dev, "Property %s is missing setting default slot\n",  in tas2770_parse_dt()
654 			 "ti,vmon-slot-no");  in tas2770_parse_dt()
656 		tas2770->v_sense_slot = 2;  in tas2770_parse_dt()
659 	tas2770->sdz_gpio = devm_gpiod_get_optional(dev, "shutdown", GPIOD_OUT_HIGH);  in tas2770_parse_dt()
660 	if (IS_ERR(tas2770->sdz_gpio)) {  in tas2770_parse_dt()
661 		if (PTR_ERR(tas2770->sdz_gpio) == -EPROBE_DEFER)  in tas2770_parse_dt()
662 			return -EPROBE_DEFER;  in tas2770_parse_dt()
664 		tas2770->sdz_gpio = NULL;  in tas2770_parse_dt()
676 	tas2770 = devm_kzalloc(&client->dev, sizeof(struct tas2770_priv),  in tas2770_i2c_probe()
679 		return -ENOMEM;  in tas2770_i2c_probe()
681 	tas2770->dev = &client->dev;  in tas2770_i2c_probe()
683 	dev_set_drvdata(&client->dev, tas2770);  in tas2770_i2c_probe()
685 	tas2770->regmap = devm_regmap_init_i2c(client, &tas2770_i2c_regmap);  in tas2770_i2c_probe()
686 	if (IS_ERR(tas2770->regmap)) {  in tas2770_i2c_probe()
687 		result = PTR_ERR(tas2770->regmap);  in tas2770_i2c_probe()
688 		dev_err(&client->dev, "Failed to allocate register map: %d\n",  in tas2770_i2c_probe()
693 	if (client->dev.of_node) {  in tas2770_i2c_probe()
694 		result = tas2770_parse_dt(&client->dev, tas2770);  in tas2770_i2c_probe()
696 			dev_err(tas2770->dev, "%s: Failed to parse devicetree\n",  in tas2770_i2c_probe()
702 	tas2770->reset_gpio = devm_gpiod_get_optional(tas2770->dev, "reset",  in tas2770_i2c_probe()
704 	if (IS_ERR(tas2770->reset_gpio)) {  in tas2770_i2c_probe()
705 		if (PTR_ERR(tas2770->reset_gpio) == -EPROBE_DEFER) {  in tas2770_i2c_probe()
706 			tas2770->reset_gpio = NULL;  in tas2770_i2c_probe()
707 			return -EPROBE_DEFER;  in tas2770_i2c_probe()
713 		dev_err(tas2770->dev, "Register codec failed.\n");  in tas2770_i2c_probe()