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>
35 	if (tas2770->reset_gpio) {  in tas2770_reset()
36 		gpiod_set_value_cansleep(tas2770->reset_gpio, 0);  in tas2770_reset()
38 		gpiod_set_value_cansleep(tas2770->reset_gpio, 1);  in tas2770_reset()
42 	snd_soc_component_write(tas2770->component, TAS2770_SW_RST,  in tas2770_reset()
49 	struct snd_soc_component *component = tas2770->component;  in tas2770_update_pwr_ctrl()
53 	if (tas2770->dac_powered)  in tas2770_update_pwr_ctrl()
54 		val = tas2770->unmuted ?  in tas2770_update_pwr_ctrl()
73 	regcache_cache_only(tas2770->regmap, true);  in tas2770_codec_suspend()
74 	regcache_mark_dirty(tas2770->regmap);  in tas2770_codec_suspend()
76 	if (tas2770->sdz_gpio) {  in tas2770_codec_suspend()
77 		gpiod_set_value_cansleep(tas2770->sdz_gpio, 0);  in tas2770_codec_suspend()
83 			regcache_cache_only(tas2770->regmap, false);  in tas2770_codec_suspend()
84 			regcache_sync(tas2770->regmap);  in tas2770_codec_suspend()
99 	if (tas2770->sdz_gpio) {  in tas2770_codec_resume()
100 		gpiod_set_value_cansleep(tas2770->sdz_gpio, 1);  in tas2770_codec_resume()
108 	regcache_cache_only(tas2770->regmap, false);  in tas2770_codec_resume()
110 	return regcache_sync(tas2770->regmap);  in tas2770_codec_resume()
132 			snd_soc_dapm_to_component(w->dapm);  in tas2770_dac_event()
139 		tas2770->dac_powered = 1;  in tas2770_dac_event()
143 		tas2770->dac_powered = 0;  in tas2770_dac_event()
147 		dev_err(tas2770->dev, "Not supported evevt\n");  in tas2770_dac_event()
148 		return -EINVAL;  in tas2770_dac_event()
184 	struct snd_soc_component *component = dai->component;  in tas2770_mute()
188 	tas2770->unmuted = !mute;  in tas2770_mute()
195 	struct snd_soc_component *component = tas2770->component;  in tas2770_set_bitwidth()
202 		tas2770->v_sense_slot = tas2770->i_sense_slot + 2;  in tas2770_set_bitwidth()
208 		tas2770->v_sense_slot = tas2770->i_sense_slot + 4;  in tas2770_set_bitwidth()
214 		tas2770->v_sense_slot = tas2770->i_sense_slot + 4;  in tas2770_set_bitwidth()
218 		return -EINVAL;  in tas2770_set_bitwidth()
228 		tas2770->v_sense_slot);  in tas2770_set_bitwidth()
236 					    tas2770->i_sense_slot);  in tas2770_set_bitwidth()
245 	struct snd_soc_component *component = tas2770->component;  in tas2770_set_samplerate()
275 		return -EINVAL;  in tas2770_set_samplerate()
292 	struct snd_soc_component *component = dai->component;  in tas2770_hw_params()
306 	struct snd_soc_component *component = dai->component;  in tas2770_set_fmt()
316 		dev_err(tas2770->dev, "ASI invalid DAI clocking\n");  in tas2770_set_fmt()
317 		return -EINVAL;  in tas2770_set_fmt()
334 		dev_err(tas2770->dev, "ASI format Inverse is not found\n");  in tas2770_set_fmt()
335 		return -EINVAL;  in tas2770_set_fmt()
362 		dev_err(tas2770->dev,  in tas2770_set_fmt()
363 			"DAI Format is not found, fmt=0x%x\n", fmt);  in tas2770_set_fmt()
364 		return -EINVAL;  in tas2770_set_fmt()
389 	struct snd_soc_component *component = dai->component;  in tas2770_set_dai_tdm_slot()
394 		return -EINVAL;  in tas2770_set_dai_tdm_slot()
406 		return -EINVAL;  in tas2770_set_dai_tdm_slot()
440 		ret = -EINVAL;  in tas2770_set_dai_tdm_slot()
495 	tas2770->component = component;  in tas2770_codec_probe()
497 	if (tas2770->sdz_gpio) {  in tas2770_codec_probe()
498 		gpiod_set_value_cansleep(tas2770->sdz_gpio, 1);  in tas2770_codec_probe()
503 	regmap_reinit_cache(tas2770->regmap, &tas2770_i2c_regmap);  in tas2770_codec_probe()
509 static DECLARE_TLV_DB_SCALE(tas2770_playback_volume, -12750, 50, 0);
534 	return devm_snd_soc_register_component(tas2770->dev,  in tas2770_register_codec()
626 	rc = fwnode_property_read_u32(dev->fwnode, "ti,imon-slot-no",  in tas2770_parse_dt()
627 				      &tas2770->i_sense_slot);  in tas2770_parse_dt()
629 		dev_info(tas2770->dev, "Property %s is missing setting default slot\n",  in tas2770_parse_dt()
630 			 "ti,imon-slot-no");  in tas2770_parse_dt()
632 		tas2770->i_sense_slot = 0;  in tas2770_parse_dt()
635 	rc = fwnode_property_read_u32(dev->fwnode, "ti,vmon-slot-no",  in tas2770_parse_dt()
636 				      &tas2770->v_sense_slot);  in tas2770_parse_dt()
638 		dev_info(tas2770->dev, "Property %s is missing setting default slot\n",  in tas2770_parse_dt()
639 			 "ti,vmon-slot-no");  in tas2770_parse_dt()
641 		tas2770->v_sense_slot = 2;  in tas2770_parse_dt()
644 	tas2770->sdz_gpio = devm_gpiod_get_optional(dev, "shutdown", GPIOD_OUT_HIGH);  in tas2770_parse_dt()
645 	if (IS_ERR(tas2770->sdz_gpio)) {  in tas2770_parse_dt()
646 		if (PTR_ERR(tas2770->sdz_gpio) == -EPROBE_DEFER)  in tas2770_parse_dt()
647 			return -EPROBE_DEFER;  in tas2770_parse_dt()
649 		tas2770->sdz_gpio = NULL;  in tas2770_parse_dt()
660 	tas2770 = devm_kzalloc(&client->dev, sizeof(struct tas2770_priv),  in tas2770_i2c_probe()
663 		return -ENOMEM;  in tas2770_i2c_probe()
665 	tas2770->dev = &client->dev;  in tas2770_i2c_probe()
667 	dev_set_drvdata(&client->dev, tas2770);  in tas2770_i2c_probe()
669 	tas2770->regmap = devm_regmap_init_i2c(client, &tas2770_i2c_regmap);  in tas2770_i2c_probe()
670 	if (IS_ERR(tas2770->regmap)) {  in tas2770_i2c_probe()
671 		result = PTR_ERR(tas2770->regmap);  in tas2770_i2c_probe()
672 		dev_err(&client->dev, "Failed to allocate register map: %d\n",  in tas2770_i2c_probe()
677 	if (client->dev.of_node) {  in tas2770_i2c_probe()
678 		result = tas2770_parse_dt(&client->dev, tas2770);  in tas2770_i2c_probe()
680 			dev_err(tas2770->dev, "%s: Failed to parse devicetree\n",  in tas2770_i2c_probe()
686 	tas2770->reset_gpio = devm_gpiod_get_optional(tas2770->dev, "reset",  in tas2770_i2c_probe()
688 	if (IS_ERR(tas2770->reset_gpio)) {  in tas2770_i2c_probe()
689 		if (PTR_ERR(tas2770->reset_gpio) == -EPROBE_DEFER) {  in tas2770_i2c_probe()
690 			tas2770->reset_gpio = NULL;  in tas2770_i2c_probe()
691 			return -EPROBE_DEFER;  in tas2770_i2c_probe()
697 		dev_err(tas2770->dev, "Register codec failed.\n");  in tas2770_i2c_probe()