1 // SPDX-License-Identifier: GPL-2.0
49 #include "tas2764-quirks.h"
53 	"fault: over current",
55 	"limiter active",
56 	"fault: PVDD below limiter inflection point",
57 	"fault: limiter max attenuation",
79 		latched[i] = snd_soc_component_read(tas2764->component,  in tas2764_irq()
84 			dev_crit_ratelimited(tas2764->dev, "%s\n",  in tas2764_irq()
91 		dev_err_ratelimited(tas2764->dev, "other context to the fault: %02x,%02x,%02x,%02x,%02x",  in tas2764_irq()
93 		snd_soc_component_update_bits(tas2764->component,  in tas2764_irq()
104 	if (tas2764->reset_gpio) {  in tas2764_reset()
105 		gpiod_set_value_cansleep(tas2764->reset_gpio, 0);  in tas2764_reset()
107 		gpiod_set_value_cansleep(tas2764->reset_gpio, 1);  in tas2764_reset()
111 	snd_soc_component_write(tas2764->component, TAS2764_SW_RST,  in tas2764_reset()
118 	struct snd_soc_component *component = tas2764->component;  in tas2764_update_pwr_ctrl()
122 	if (tas2764->dac_powered)  in tas2764_update_pwr_ctrl()
123 		val = tas2764->unmuted ?  in tas2764_update_pwr_ctrl()
152 	if (tas2764->sdz_gpio)  in tas2764_codec_suspend()
153 		gpiod_set_value_cansleep(tas2764->sdz_gpio, 0);  in tas2764_codec_suspend()
155 	regcache_cache_only(tas2764->regmap, true);  in tas2764_codec_suspend()
156 	regcache_mark_dirty(tas2764->regmap);  in tas2764_codec_suspend()
168 	if (tas2764->sdz_gpio) {  in tas2764_codec_resume()
169 		gpiod_set_value_cansleep(tas2764->sdz_gpio, 1);  in tas2764_codec_resume()
178 	regcache_cache_only(tas2764->regmap, false);  in tas2764_codec_resume()
180 	return regcache_sync(tas2764->regmap);  in tas2764_codec_resume()
230 			snd_soc_component_get_drvdata(dai->component);  in tas2764_mute()
234 		tas2764->dac_powered = true;  in tas2764_mute()
240 	tas2764->unmuted = !mute;  in tas2764_mute()
246 		/* Wait for ramp-down */  in tas2764_mute()
249 		tas2764->dac_powered = false;  in tas2764_mute()
263 	struct snd_soc_component *component = tas2764->component;  in tas2764_set_bitwidth()
289 		return -EINVAL;  in tas2764_set_bitwidth()
295 	val = snd_soc_component_read(tas2764->component, TAS2764_PWR_CTRL);  in tas2764_set_bitwidth()
304 	ret = snd_soc_component_update_bits(tas2764->component, TAS2764_TDM_CFG5,  in tas2764_set_bitwidth()
315 	ret = snd_soc_component_update_bits(tas2764->component, TAS2764_TDM_CFG6,  in tas2764_set_bitwidth()
326 	struct snd_soc_component *component = tas2764->component;  in tas2764_set_samplerate()
348 		return -EINVAL;  in tas2764_set_samplerate()
365 	struct snd_soc_component *component = dai->component;  in tas2764_hw_params()
378 	struct snd_soc_component *component = dai->component;  in tas2764_set_fmt()
424 		dev_err(tas2764->dev,  in tas2764_set_fmt()
426 		return -EINVAL;  in tas2764_set_fmt()
449 	struct snd_soc_component *component = dai->component;  in tas2764_set_dai_tdm_slot()
457 		return -EINVAL;  in tas2764_set_dai_tdm_slot()
469 		return -EINVAL;  in tas2764_set_dai_tdm_slot()
488 		return -EINVAL;  in tas2764_set_dai_tdm_slot()
499 					    tas2764->v_sense_slot);  in tas2764_set_dai_tdm_slot()
505 					    tas2764->i_sense_slot);  in tas2764_set_dai_tdm_slot()
565 		if (!init_seq->seq)  in tas2764_apply_init_quirks()
571 		ret = regmap_multi_reg_write(tas2764->regmap, init_seq->seq,  in tas2764_apply_init_quirks()
572 					     init_seq->len);  in tas2764_apply_init_quirks()
585 	ret = regmap_read(tas2764->regmap, TAS2764_TEMP, &reg);  in tas2764_read_die_temp()
600 	*result = (reg - 93) * 1000;  in tas2764_read_die_temp()
633 		ret = -EOPNOTSUPP;  in tas2764_hwmon_read()
660 	tas2764->component = component;  in tas2764_codec_probe()
662 	if (tas2764->sdz_gpio) {  in tas2764_codec_probe()
663 		gpiod_set_value_cansleep(tas2764->sdz_gpio, 1);  in tas2764_codec_probe()
668 	regmap_reinit_cache(tas2764->regmap, &tas2764_i2c_regmap);  in tas2764_codec_probe()
670 	if (tas2764->irq) {  in tas2764_codec_probe()
671 		ret = snd_soc_component_write(tas2764->component, TAS2764_INT_MASK0, 0x00);  in tas2764_codec_probe()
675 		ret = snd_soc_component_write(tas2764->component, TAS2764_INT_MASK1, 0xff);  in tas2764_codec_probe()
679 		ret = snd_soc_component_write(tas2764->component, TAS2764_INT_MASK2, 0xff);  in tas2764_codec_probe()
683 		ret = snd_soc_component_write(tas2764->component, TAS2764_INT_MASK3, 0xff);  in tas2764_codec_probe()
687 		ret = snd_soc_component_write(tas2764->component, TAS2764_INT_MASK4, 0xff);  in tas2764_codec_probe()
691 		ret = devm_request_threaded_irq(tas2764->dev, tas2764->irq, NULL, tas2764_irq,  in tas2764_codec_probe()
695 			dev_warn(tas2764->dev, "failed to request IRQ: %d\n", ret);  in tas2764_codec_probe()
698 	ret = snd_soc_component_update_bits(tas2764->component, TAS2764_TDM_CFG5,  in tas2764_codec_probe()
703 	ret = snd_soc_component_update_bits(tas2764->component, TAS2764_TDM_CFG6,  in tas2764_codec_probe()
708 	switch (tas2764->devid) {  in tas2764_codec_probe()
740 static DECLARE_TLV_DB_SCALE(tas2764_playback_volume, -10050, 50, 1);
839 	tas2764->reset_gpio = devm_gpiod_get_optional(tas2764->dev, "reset",  in tas2764_parse_dt()
841 	if (IS_ERR(tas2764->reset_gpio)) {  in tas2764_parse_dt()
842 		if (PTR_ERR(tas2764->reset_gpio) == -EPROBE_DEFER) {  in tas2764_parse_dt()
843 			tas2764->reset_gpio = NULL;  in tas2764_parse_dt()
844 			return -EPROBE_DEFER;  in tas2764_parse_dt()
848 	tas2764->sdz_gpio = devm_gpiod_get_optional(dev, "shutdown", GPIOD_OUT_HIGH);  in tas2764_parse_dt()
849 	if (IS_ERR(tas2764->sdz_gpio)) {  in tas2764_parse_dt()
850 		if (PTR_ERR(tas2764->sdz_gpio) == -EPROBE_DEFER)  in tas2764_parse_dt()
851 			return -EPROBE_DEFER;  in tas2764_parse_dt()
853 		tas2764->sdz_gpio = NULL;  in tas2764_parse_dt()
856 	ret = fwnode_property_read_u32(dev->fwnode, "ti,imon-slot-no",  in tas2764_parse_dt()
857 				       &tas2764->i_sense_slot);  in tas2764_parse_dt()
859 		tas2764->i_sense_slot = 0;  in tas2764_parse_dt()
861 	ret = fwnode_property_read_u32(dev->fwnode, "ti,vmon-slot-no",  in tas2764_parse_dt()
862 				       &tas2764->v_sense_slot);  in tas2764_parse_dt()
864 		tas2764->v_sense_slot = 2;  in tas2764_parse_dt()
874 	tas2764 = devm_kzalloc(&client->dev, sizeof(struct tas2764_priv),  in tas2764_i2c_probe()
877 		return -ENOMEM;  in tas2764_i2c_probe()
879 	tas2764->devid = (kernel_ulong_t)of_device_get_match_data(&client->dev);  in tas2764_i2c_probe()
881 	tas2764->dev = &client->dev;  in tas2764_i2c_probe()
882 	tas2764->irq = client->irq;  in tas2764_i2c_probe()
884 	dev_set_drvdata(&client->dev, tas2764);  in tas2764_i2c_probe()
886 	tas2764->regmap = devm_regmap_init_i2c(client, &tas2764_i2c_regmap);  in tas2764_i2c_probe()
887 	if (IS_ERR(tas2764->regmap)) {  in tas2764_i2c_probe()
888 		result = PTR_ERR(tas2764->regmap);  in tas2764_i2c_probe()
889 		dev_err(&client->dev, "Failed to allocate register map: %d\n",  in tas2764_i2c_probe()
894 	if (client->dev.of_node) {  in tas2764_i2c_probe()
895 		result = tas2764_parse_dt(&client->dev, tas2764);  in tas2764_i2c_probe()
897 			dev_err(tas2764->dev, "%s: Failed to parse devicetree\n",  in tas2764_i2c_probe()
906 		hwmon = devm_hwmon_device_register_with_info(&client->dev, "tas2764",  in tas2764_i2c_probe()
911 			return dev_err_probe(&client->dev, PTR_ERR(hwmon),  in tas2764_i2c_probe()
917 	return devm_snd_soc_register_component(tas2764->dev,  in tas2764_i2c_probe()