3  * PCM3168A codec driver
21 #include "pcm3168a.h"
275 static int pcm3168a_reset(struct pcm3168a_priv *pcm3168a)  in pcm3168a_reset()  argument
279 	ret = regmap_write(pcm3168a->regmap, PCM3168A_RST_SMODE, 0);  in pcm3168a_reset()
284 	msleep(DIV_ROUND_UP(3846 * 1000, pcm3168a->sysclk));  in pcm3168a_reset()
286 	return regmap_write(pcm3168a->regmap, PCM3168A_RST_SMODE,  in pcm3168a_reset()
293 	struct pcm3168a_priv *pcm3168a = snd_soc_component_get_drvdata(component);  in pcm3168a_mute()  local
295 	regmap_write(pcm3168a->regmap, PCM3168A_DAC_MUTE, mute ? 0xff : 0);  in pcm3168a_mute()
303 	struct pcm3168a_priv *pcm3168a = snd_soc_component_get_drvdata(dai->component);  in pcm3168a_set_dai_sysclk()  local
316 	ret = clk_set_rate(pcm3168a->scki, freq);  in pcm3168a_set_dai_sysclk()
320 	pcm3168a->sysclk = freq;  in pcm3168a_set_dai_sysclk()
328 	struct pcm3168a_priv *pcm3168a = snd_soc_component_get_drvdata(component);  in pcm3168a_update_fixup_pcm_stream()  local
329 	struct pcm3168a_io_params *io_params = &pcm3168a->io_params[dai->id];  in pcm3168a_update_fixup_pcm_stream()
357 	struct pcm3168a_priv *pcm3168a = snd_soc_component_get_drvdata(component);  in pcm3168a_set_dai_fmt()  local
358 	struct pcm3168a_io_params *io_params = &pcm3168a->io_params[dai->id];  in pcm3168a_set_dai_fmt()
405 	struct pcm3168a_priv *pcm3168a = snd_soc_component_get_drvdata(component);  in pcm3168a_set_tdm_slot()  local
406 	struct pcm3168a_io_params *io_params = &pcm3168a->io_params[dai->id];  in pcm3168a_set_tdm_slot()
440 	struct pcm3168a_priv *pcm3168a = snd_soc_component_get_drvdata(component);  in pcm3168a_hw_params()  local
441 	struct pcm3168a_io_params *io_params = &pcm3168a->io_params[dai->id];  in pcm3168a_hw_params()
464 		ratio = pcm3168a->sysclk / params_rate(params);  in pcm3168a_hw_params()
517 	 * If pcm3168a->tdm_slots is not set or set to more than 2 (8/6 usually)  in pcm3168a_hw_params()
519 	 * If pcm3168a->tdm_slots is set to 2 then DIN1/2/3/4 and DOUT1/2/3 is  in pcm3168a_hw_params()
559 	regmap_update_bits(pcm3168a->regmap, reg, mask,  in pcm3168a_hw_params()
602 		.name = "pcm3168a-dac",
614 		.name = "pcm3168a-adc",
722 	struct pcm3168a_priv *pcm3168a;  in pcm3168a_probe()  local
725 	pcm3168a = devm_kzalloc(dev, sizeof(*pcm3168a), GFP_KERNEL);  in pcm3168a_probe()
726 	if (pcm3168a == NULL)  in pcm3168a_probe()
729 	dev_set_drvdata(dev, pcm3168a);  in pcm3168a_probe()
733 	 * as the same reset line might be connected to multiple pcm3168a codec  in pcm3168a_probe()
739 	pcm3168a->gpio_rst = devm_gpiod_get_optional(dev, "reset",  in pcm3168a_probe()
742 	if (IS_ERR(pcm3168a->gpio_rst))  in pcm3168a_probe()
743 		return dev_err_probe(dev, PTR_ERR(pcm3168a->gpio_rst),  in pcm3168a_probe()
746 	pcm3168a->scki = devm_clk_get(dev, "scki");  in pcm3168a_probe()
747 	if (IS_ERR(pcm3168a->scki))  in pcm3168a_probe()
748 		return dev_err_probe(dev, PTR_ERR(pcm3168a->scki),  in pcm3168a_probe()
751 	ret = clk_prepare_enable(pcm3168a->scki);  in pcm3168a_probe()
757 	pcm3168a->sysclk = clk_get_rate(pcm3168a->scki);  in pcm3168a_probe()
759 	for (i = 0; i < ARRAY_SIZE(pcm3168a->supplies); i++)  in pcm3168a_probe()
760 		pcm3168a->supplies[i].supply = pcm3168a_supply_names[i];  in pcm3168a_probe()
763 			ARRAY_SIZE(pcm3168a->supplies), pcm3168a->supplies);  in pcm3168a_probe()
769 	ret = regulator_bulk_enable(ARRAY_SIZE(pcm3168a->supplies),  in pcm3168a_probe()
770 				    pcm3168a->supplies);  in pcm3168a_probe()
776 	pcm3168a->regmap = regmap;  in pcm3168a_probe()
777 	if (IS_ERR(pcm3168a->regmap)) {  in pcm3168a_probe()
778 		ret = PTR_ERR(pcm3168a->regmap);  in pcm3168a_probe()
783 	if (pcm3168a->gpio_rst) {  in pcm3168a_probe()
788 		msleep(DIV_ROUND_UP(3846 * 1000, pcm3168a->sysclk));  in pcm3168a_probe()
790 		ret = pcm3168a_reset(pcm3168a);  in pcm3168a_probe()
801 	memcpy(pcm3168a->dai_drv, pcm3168a_dais, sizeof(pcm3168a->dai_drv));  in pcm3168a_probe()
803 					      pcm3168a->dai_drv,  in pcm3168a_probe()
804 					      ARRAY_SIZE(pcm3168a->dai_drv));  in pcm3168a_probe()
813 	regulator_bulk_disable(ARRAY_SIZE(pcm3168a->supplies),  in pcm3168a_probe()
814 			pcm3168a->supplies);  in pcm3168a_probe()
816 	clk_disable_unprepare(pcm3168a->scki);  in pcm3168a_probe()
824 	struct pcm3168a_priv *pcm3168a = dev_get_drvdata(dev);  in pcm3168a_disable()  local
826 	regulator_bulk_disable(ARRAY_SIZE(pcm3168a->supplies),  in pcm3168a_disable()
827 			       pcm3168a->supplies);  in pcm3168a_disable()
828 	clk_disable_unprepare(pcm3168a->scki);  in pcm3168a_disable()
833 	struct pcm3168a_priv *pcm3168a = dev_get_drvdata(dev);  in pcm3168a_remove()  local
841 	gpiod_set_value_cansleep(pcm3168a->gpio_rst, 1);  in pcm3168a_remove()
852 	struct pcm3168a_priv *pcm3168a = dev_get_drvdata(dev);  in pcm3168a_rt_resume()  local
855 	ret = clk_prepare_enable(pcm3168a->scki);  in pcm3168a_rt_resume()
861 	ret = regulator_bulk_enable(ARRAY_SIZE(pcm3168a->supplies),  in pcm3168a_rt_resume()
862 				    pcm3168a->supplies);  in pcm3168a_rt_resume()
868 	ret = pcm3168a_reset(pcm3168a);  in pcm3168a_rt_resume()
874 	regcache_cache_only(pcm3168a->regmap, false);  in pcm3168a_rt_resume()
876 	regcache_mark_dirty(pcm3168a->regmap);  in pcm3168a_rt_resume()
878 	ret = regcache_sync(pcm3168a->regmap);  in pcm3168a_rt_resume()
887 	regulator_bulk_disable(ARRAY_SIZE(pcm3168a->supplies),  in pcm3168a_rt_resume()
888 			       pcm3168a->supplies);  in pcm3168a_rt_resume()
890 	clk_disable_unprepare(pcm3168a->scki);  in pcm3168a_rt_resume()
897 	struct pcm3168a_priv *pcm3168a = dev_get_drvdata(dev);  in pcm3168a_rt_suspend()  local
899 	regcache_cache_only(pcm3168a->regmap, true);  in pcm3168a_rt_suspend()
912 MODULE_DESCRIPTION("PCM3168A codec driver");