Lines Matching full:tas2764
3 // Driver for the Texas Instruments TAS2764 CODEC
26 #include "tas2764.h"
42 static void tas2764_reset(struct tas2764_priv *tas2764) in tas2764_reset() argument
44 if (tas2764->reset_gpio) { in tas2764_reset()
45 gpiod_set_value_cansleep(tas2764->reset_gpio, 0); in tas2764_reset()
47 gpiod_set_value_cansleep(tas2764->reset_gpio, 1); in tas2764_reset()
51 snd_soc_component_write(tas2764->component, TAS2764_SW_RST, in tas2764_reset()
56 static int tas2764_update_pwr_ctrl(struct tas2764_priv *tas2764) in tas2764_update_pwr_ctrl() argument
58 struct snd_soc_component *component = tas2764->component; in tas2764_update_pwr_ctrl()
62 if (tas2764->dac_powered) in tas2764_update_pwr_ctrl()
63 val = tas2764->unmuted ? in tas2764_update_pwr_ctrl()
79 struct tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); in tas2764_codec_suspend() local
89 if (tas2764->sdz_gpio) in tas2764_codec_suspend()
90 gpiod_set_value_cansleep(tas2764->sdz_gpio, 0); in tas2764_codec_suspend()
92 regcache_cache_only(tas2764->regmap, true); in tas2764_codec_suspend()
93 regcache_mark_dirty(tas2764->regmap); in tas2764_codec_suspend()
100 struct tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); in tas2764_codec_resume() local
103 if (tas2764->sdz_gpio) { in tas2764_codec_resume()
104 gpiod_set_value_cansleep(tas2764->sdz_gpio, 1); in tas2764_codec_resume()
108 ret = tas2764_update_pwr_ctrl(tas2764); in tas2764_codec_resume()
113 regcache_cache_only(tas2764->regmap, false); in tas2764_codec_resume()
115 return regcache_sync(tas2764->regmap); in tas2764_codec_resume()
137 struct tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); in tas2764_dac_event() local
142 tas2764->dac_powered = true; in tas2764_dac_event()
143 ret = tas2764_update_pwr_ctrl(tas2764); in tas2764_dac_event()
146 tas2764->dac_powered = false; in tas2764_dac_event()
147 ret = tas2764_update_pwr_ctrl(tas2764); in tas2764_dac_event()
150 dev_err(tas2764->dev, "Unsupported event\n"); in tas2764_dac_event()
192 struct tas2764_priv *tas2764 = in tas2764_mute() local
195 tas2764->unmuted = !mute; in tas2764_mute()
196 return tas2764_update_pwr_ctrl(tas2764); in tas2764_mute()
199 static int tas2764_set_bitwidth(struct tas2764_priv *tas2764, int bitwidth) in tas2764_set_bitwidth() argument
201 struct snd_soc_component *component = tas2764->component; in tas2764_set_bitwidth()
233 val = snd_soc_component_read(tas2764->component, TAS2764_PWR_CTRL); in tas2764_set_bitwidth()
242 ret = snd_soc_component_update_bits(tas2764->component, TAS2764_TDM_CFG5, in tas2764_set_bitwidth()
253 ret = snd_soc_component_update_bits(tas2764->component, TAS2764_TDM_CFG6, in tas2764_set_bitwidth()
262 static int tas2764_set_samplerate(struct tas2764_priv *tas2764, int samplerate) in tas2764_set_samplerate() argument
264 struct snd_soc_component *component = tas2764->component; in tas2764_set_samplerate()
304 struct tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); in tas2764_hw_params() local
307 ret = tas2764_set_bitwidth(tas2764, params_format(params)); in tas2764_hw_params()
311 return tas2764_set_samplerate(tas2764, params_rate(params)); in tas2764_hw_params()
317 struct tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); in tas2764_set_fmt() local
354 dev_err(tas2764->dev, in tas2764_set_fmt()
380 struct tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); in tas2764_set_dai_tdm_slot() local
429 tas2764->v_sense_slot); in tas2764_set_dai_tdm_slot()
435 tas2764->i_sense_slot); in tas2764_set_dai_tdm_slot()
458 .name = "tas2764 ASI1",
481 struct tas2764_priv *tas2764 = snd_soc_component_get_drvdata(component); in tas2764_codec_probe() local
484 tas2764->component = component; in tas2764_codec_probe()
486 if (tas2764->sdz_gpio) { in tas2764_codec_probe()
487 gpiod_set_value_cansleep(tas2764->sdz_gpio, 1); in tas2764_codec_probe()
491 tas2764_reset(tas2764); in tas2764_codec_probe()
493 ret = snd_soc_component_update_bits(tas2764->component, TAS2764_TDM_CFG5, in tas2764_codec_probe()
498 ret = snd_soc_component_update_bits(tas2764->component, TAS2764_TDM_CFG6, in tas2764_codec_probe()
567 static int tas2764_parse_dt(struct device *dev, struct tas2764_priv *tas2764) in tas2764_parse_dt() argument
571 tas2764->reset_gpio = devm_gpiod_get_optional(tas2764->dev, "reset", in tas2764_parse_dt()
573 if (IS_ERR(tas2764->reset_gpio)) { in tas2764_parse_dt()
574 if (PTR_ERR(tas2764->reset_gpio) == -EPROBE_DEFER) { in tas2764_parse_dt()
575 tas2764->reset_gpio = NULL; in tas2764_parse_dt()
580 tas2764->sdz_gpio = devm_gpiod_get_optional(dev, "shutdown", GPIOD_OUT_HIGH); in tas2764_parse_dt()
581 if (IS_ERR(tas2764->sdz_gpio)) { in tas2764_parse_dt()
582 if (PTR_ERR(tas2764->sdz_gpio) == -EPROBE_DEFER) in tas2764_parse_dt()
585 tas2764->sdz_gpio = NULL; in tas2764_parse_dt()
589 &tas2764->i_sense_slot); in tas2764_parse_dt()
591 tas2764->i_sense_slot = 0; in tas2764_parse_dt()
594 &tas2764->v_sense_slot); in tas2764_parse_dt()
596 tas2764->v_sense_slot = 2; in tas2764_parse_dt()
604 struct tas2764_priv *tas2764; in tas2764_i2c_probe() local
607 tas2764 = devm_kzalloc(&client->dev, sizeof(struct tas2764_priv), in tas2764_i2c_probe()
609 if (!tas2764) in tas2764_i2c_probe()
612 tas2764->dev = &client->dev; in tas2764_i2c_probe()
613 i2c_set_clientdata(client, tas2764); in tas2764_i2c_probe()
614 dev_set_drvdata(&client->dev, tas2764); in tas2764_i2c_probe()
616 tas2764->regmap = devm_regmap_init_i2c(client, &tas2764_i2c_regmap); in tas2764_i2c_probe()
617 if (IS_ERR(tas2764->regmap)) { in tas2764_i2c_probe()
618 result = PTR_ERR(tas2764->regmap); in tas2764_i2c_probe()
625 result = tas2764_parse_dt(&client->dev, tas2764); in tas2764_i2c_probe()
627 dev_err(tas2764->dev, "%s: Failed to parse devicetree\n", in tas2764_i2c_probe()
633 return devm_snd_soc_register_component(tas2764->dev, in tas2764_i2c_probe()
640 { "tas2764", 0},
647 { .compatible = "ti,tas2764" },
655 .name = "tas2764",
664 MODULE_DESCRIPTION("TAS2764 I2C Smart Amplifier driver");