3 // Driver for the Texas Instruments TAS2562 CODEC
24 #include "tas2562.h"
60 	TAS2562,  enumerator
69 	struct tas2562_data *tas2562 =  in tas2562_set_bias_level()  local
91 		dev_err(tas2562->dev,  in tas2562_set_bias_level()
99 static int tas2562_set_samplerate(struct tas2562_data *tas2562, int samplerate)  in tas2562_set_samplerate()  argument
162 		dev_info(tas2562->dev, "%s, unsupported sample rate, %d\n",  in tas2562_set_samplerate()
167 	snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG0,  in tas2562_set_samplerate()
169 	snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG0,  in tas2562_set_samplerate()
180 	struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);  in tas2562_set_dai_tdm_slot()  local
237 		dev_err(tas2562->dev, "slot width not supported");  in tas2562_set_dai_tdm_slot()
246 					    tas2562->v_sense_slot);  in tas2562_set_dai_tdm_slot()
252 					    tas2562->i_sense_slot);  in tas2562_set_dai_tdm_slot()
259 static int tas2562_set_bitwidth(struct tas2562_data *tas2562, int bitwidth)  in tas2562_set_bitwidth()  argument
267 		snd_soc_component_update_bits(tas2562->component,  in tas2562_set_bitwidth()
273 		snd_soc_component_update_bits(tas2562->component,  in tas2562_set_bitwidth()
279 		snd_soc_component_update_bits(tas2562->component,  in tas2562_set_bitwidth()
286 		dev_info(tas2562->dev, "Unsupported bitwidth format\n");  in tas2562_set_bitwidth()
290 	val = snd_soc_component_read(tas2562->component, TAS2562_PWR_CTRL);  in tas2562_set_bitwidth()
299 	ret = snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG5,  in tas2562_set_bitwidth()
309 	ret = snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG6,  in tas2562_set_bitwidth()
322 	struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);  in tas2562_hw_params()  local
325 	ret = tas2562_set_bitwidth(tas2562, params_format(params));  in tas2562_hw_params()
327 		dev_err(tas2562->dev, "set bitwidth failed, %d\n", ret);  in tas2562_hw_params()
331 	ret = tas2562_set_samplerate(tas2562, params_rate(params));  in tas2562_hw_params()
333 		dev_err(tas2562->dev, "set sample rate failed, %d\n", ret);  in tas2562_hw_params()
341 	struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);  in tas2562_set_dai_fmt()  local
354 		dev_err(tas2562->dev, "ASI format Inverse is not found\n");  in tas2562_set_dai_fmt()
362 		dev_err(tas2562->dev, "Failed to set RX edge\n");  in tas2562_set_dai_fmt()
375 		dev_err(tas2562->dev,  in tas2562_set_dai_fmt()
399 	struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);  in tas2562_codec_probe()  local
402 	tas2562->component = component;  in tas2562_codec_probe()
404 	if (tas2562->sdz_gpio)  in tas2562_codec_probe()
405 		gpiod_set_value_cansleep(tas2562->sdz_gpio, 1);  in tas2562_codec_probe()
418 	struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);  in tas2562_suspend()  local
420 	regcache_cache_only(tas2562->regmap, true);  in tas2562_suspend()
421 	regcache_mark_dirty(tas2562->regmap);  in tas2562_suspend()
423 	if (tas2562->sdz_gpio)  in tas2562_suspend()
424 		gpiod_set_value_cansleep(tas2562->sdz_gpio, 0);  in tas2562_suspend()
431 	struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);  in tas2562_resume()  local
433 	if (tas2562->sdz_gpio)  in tas2562_resume()
434 		gpiod_set_value_cansleep(tas2562->sdz_gpio, 1);  in tas2562_resume()
436 	regcache_cache_only(tas2562->regmap, false);  in tas2562_resume()
438 	return regcache_sync(tas2562->regmap);  in tas2562_resume()
460 	struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);  in tas2562_dac_event()  local
481 		dev_err(tas2562->dev, "Not supported evevt\n");  in tas2562_dac_event()
496 	struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);  in tas2562_volume_control_get()  local
498 	ucontrol->value.integer.value[0] = tas2562->volume_lvl;  in tas2562_volume_control_get()
506 	struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);  in tas2562_volume_control_put()  local
528 	tas2562->volume_lvl = ucontrol->value.integer.value[0];  in tas2562_volume_control_put()
646 		.name = "tas2562-amplifier",
703 static int tas2562_parse_dt(struct tas2562_data *tas2562)  in tas2562_parse_dt()  argument
705 	struct device *dev = tas2562->dev;  in tas2562_parse_dt()
708 	tas2562->sdz_gpio = devm_gpiod_get_optional(dev, "shutdown", GPIOD_OUT_HIGH);  in tas2562_parse_dt()
709 	if (IS_ERR(tas2562->sdz_gpio)) {  in tas2562_parse_dt()
710 		if (PTR_ERR(tas2562->sdz_gpio) == -EPROBE_DEFER)  in tas2562_parse_dt()
713 		tas2562->sdz_gpio = NULL;  in tas2562_parse_dt()
720 	if (tas2562->sdz_gpio == NULL) {  in tas2562_parse_dt()
721 		tas2562->sdz_gpio = devm_gpiod_get_optional(dev, "shut-down",  in tas2562_parse_dt()
723 		if (IS_ERR(tas2562->sdz_gpio))  in tas2562_parse_dt()
724 			if (PTR_ERR(tas2562->sdz_gpio) == -EPROBE_DEFER)  in tas2562_parse_dt()
727 		tas2562->sdz_gpio = NULL;  in tas2562_parse_dt()
730 	if (tas2562->model_id == TAS2110)  in tas2562_parse_dt()
734 			&tas2562->i_sense_slot);  in tas2562_parse_dt()
738 		tas2562->i_sense_slot = 0;  in tas2562_parse_dt()
743 			&tas2562->v_sense_slot);  in tas2562_parse_dt()
747 		tas2562->v_sense_slot = 2;  in tas2562_parse_dt()
750 	if (tas2562->v_sense_slot < tas2562->i_sense_slot) {  in tas2562_parse_dt()
797 	{ "tas2562", TAS2562 },
806 	{ .compatible = "ti,tas2562", },
816 		.name = "tas2562",
826 MODULE_DESCRIPTION("TAS2562 Audio amplifier driver");