soc/codecs/tas2552.c

3  * tas2552.c - ALSA SoC Texas Instruments TAS2552 Mono Audio Amplifier
28 #include <sound/tas2552-plat.h>
29 #include <dt-bindings/sound/tas2552.h>
31 #include "tas2552.h"
140 static void tas2552_sw_shutdown(struct tas2552_data *tas2552, int sw_shutdown)
144 	if (!tas2552->component)
150 	snd_soc_component_update_bits(tas2552->component, TAS2552_CFG_1, TAS2552_SWS,
158 	struct tas2552_data *tas2552 = dev_get_drvdata(component->dev);
161 	unsigned int pll_clkin = tas2552->pll_clkin;
165 		if (tas2552->pll_clk_id != TAS2552_PLL_CLKIN_BCLK)
169 		pll_clkin += tas2552->tdm_delay;
189 		u8 pll_sel = (tas2552->pll_clk_id << 3) & TAS2552_PLL_SRC_MASK;
203 			if (tas2552->pll_clk_id == TAS2552_PLL_CLKIN_BCLK) {
209 				pll_clkin += tas2552->tdm_delay;
240 	struct tas2552_data *tas2552 = dev_get_drvdata(component->dev);
247 		cpf = 32 + tas2552->tdm_delay;
251 		cpf = 64 + tas2552->tdm_delay;
255 		cpf = 64 + tas2552->tdm_delay;
259 		cpf = 64 + tas2552->tdm_delay;
329 	struct tas2552_data *tas2552 = snd_soc_component_get_drvdata(component);
333 	if (tas2552->dai_fmt == SND_SOC_DAIFMT_DSP_A)
334 		delay += (tas2552->tdm_delay + 1);
335 	else if (tas2552->dai_fmt == SND_SOC_DAIFMT_DSP_B)
336 		delay += tas2552->tdm_delay;
347 	struct tas2552_data *tas2552 = dev_get_drvdata(component->dev);
386 	tas2552->dai_fmt = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
397 	struct tas2552_data *tas2552 = dev_get_drvdata(component->dev);
416 		tas2552->pll_clk_id = clk_id;
417 		tas2552->pll_clkin = freq;
426 		tas2552->pdm_clk_id = clk_id;
427 		tas2552->pdm_clk = freq;
444 	struct tas2552_data *tas2552 = snd_soc_component_get_drvdata(component);
459 	tas2552->tdm_delay = lsb * slot_width;
484 	struct tas2552_data *tas2552 = dev_get_drvdata(dev);
486 	tas2552_sw_shutdown(tas2552, 1);
488 	regcache_cache_only(tas2552->regmap, true);
489 	regcache_mark_dirty(tas2552->regmap);
491 	gpiod_set_value(tas2552->enable_gpio, 0);
498 	struct tas2552_data *tas2552 = dev_get_drvdata(dev);
500 	gpiod_set_value(tas2552->enable_gpio, 1);
502 	tas2552_sw_shutdown(tas2552, 0);
504 	regcache_cache_only(tas2552->regmap, false);
505 	regcache_sync(tas2552->regmap);
533 		.name = "tas2552-amplifier",
568 	struct tas2552_data *tas2552 = snd_soc_component_get_drvdata(component);
571 	tas2552->component = component;
573 	ret = regulator_bulk_enable(ARRAY_SIZE(tas2552->supplies),
574 				    tas2552->supplies);
582 	gpiod_set_value(tas2552->enable_gpio, 1);
607 	gpiod_set_value(tas2552->enable_gpio, 0);
609 	regulator_bulk_disable(ARRAY_SIZE(tas2552->supplies),
610 					tas2552->supplies);
616 	struct tas2552_data *tas2552 = snd_soc_component_get_drvdata(component);
620 	gpiod_set_value(tas2552->enable_gpio, 0);
626 	struct tas2552_data *tas2552 = snd_soc_component_get_drvdata(component);
629 	ret = regulator_bulk_disable(ARRAY_SIZE(tas2552->supplies),
630 					tas2552->supplies);
640 	struct tas2552_data *tas2552 = snd_soc_component_get_drvdata(component);
643 	ret = regulator_bulk_enable(ARRAY_SIZE(tas2552->supplies),
644 				    tas2552->supplies);
745 	{ "tas2552" },
752 	{ .compatible = "ti,tas2552", },
760 		.name = "tas2552",