1 // SPDX-License-Identifier: GPL-2.0
27 static const char *cs530x_supply_names[CS530X_NUM_SUPPLIES] = {
28 	"vdd-a",
29 	"vdd-io",
32 static const struct reg_default cs530x_reg_defaults[] = {
55 static bool cs530x_read_and_write_regs(unsigned int reg)  in cs530x_read_and_write_regs()
84 static bool cs530x_readable_register(struct device *dev, unsigned int reg)  in cs530x_readable_register()
95 static bool cs530x_writeable_register(struct device *dev, unsigned int reg)  in cs530x_writeable_register()
106 static int cs530x_put_volsw_vu(struct snd_kcontrol *kcontrol,  in cs530x_put_volsw_vu()
112 	struct regmap *regmap = cs530x->regmap;  in cs530x_put_volsw_vu()
130 static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1270, 50, 0);
132 static const char * const cs530x_in_filter_text[] = {
133 	"Min Phase Slow Roll-off",
134 	"Min Phase Fast Roll-off",
135 	"Linear Phase Slow Roll-off",
136 	"Linear Phase Fast Roll-off",
139 static SOC_ENUM_SINGLE_DECL(cs530x_in_filter_enum, CS530X_IN_FILTER,
143 static const char * const cs530x_in_4ch_sum_text[] = {
149 static SOC_ENUM_SINGLE_DECL(cs530x_in_sum_ch4_enum, CS530X_IN_RAMP_SUM,
153 static const struct snd_kcontrol_new cs530x_in_sum_4ch_controls[] = {
157 static const char * const cs530x_in_8ch_sum_text[] = {
164 static SOC_ENUM_SINGLE_DECL(cs530x_in_sum_ch8_enum, CS530X_IN_RAMP_SUM,
168 static const struct snd_kcontrol_new cs530x_in_sum_8ch_controls[] = {
173 static const char * const cs530x_vol_ramp_text[] = {
178 static SOC_ENUM_SINGLE_DECL(cs530x_ramp_inc_enum, CS530X_IN_RAMP_SUM,
182 static SOC_ENUM_SINGLE_DECL(cs530x_ramp_dec_enum, CS530X_IN_RAMP_SUM,
186 static const struct snd_kcontrol_new cs530x_in_1_to_2_controls[] = {
200 static const struct snd_kcontrol_new cs530x_in_3_to_4_controls[] = {
210 static const struct snd_kcontrol_new cs530x_in_5_to_8_controls[] = {
226 static int cs530x_adc_event(struct snd_soc_dapm_widget *w,  in cs530x_adc_event()
229 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in cs530x_adc_event()
231 	struct regmap *regmap = cs530x->regmap;  in cs530x_adc_event()
235 		cs530x->adc_pairs_count++;  in cs530x_adc_event()
239 				 (w->shift * 2), CS530X_IN_MUTE);  in cs530x_adc_event()
241 				 ((w->shift+1) * 2), CS530X_IN_MUTE);  in cs530x_adc_event()
243 		cs530x->adc_pairs_count--;  in cs530x_adc_event()
244 		if (!cs530x->adc_pairs_count) {  in cs530x_adc_event()
252 			       (w->shift * 2), CS530X_IN_MUTE);  in cs530x_adc_event()
254 			       ((w->shift+1) * 2), CS530X_IN_MUTE);  in cs530x_adc_event()
258 		return -EINVAL;  in cs530x_adc_event()
264 static const struct snd_kcontrol_new adc12_ctrl =
267 static const struct snd_kcontrol_new adc34_ctrl =
270 static const struct snd_kcontrol_new adc56_ctrl =
273 static const struct snd_kcontrol_new adc78_ctrl =
276 static const struct snd_kcontrol_new in_hpf_ctrl =
280 static const struct snd_soc_dapm_widget cs530x_gen_dapm_widgets[] = {
281 SND_SOC_DAPM_SUPPLY("Global Enable", CS530X_CHIP_ENABLE, 0, 0, NULL, 0),
285 static const struct snd_soc_dapm_widget cs530x_adc_ch12_dapm_widgets[] = {
293 SND_SOC_DAPM_SWITCH("ADC12 Enable", SND_SOC_NOPM, 0, 0, &adc12_ctrl),
299 static const struct snd_soc_dapm_widget cs530x_adc_ch34_dapm_widgets[] = {
307 SND_SOC_DAPM_SWITCH("ADC34 Enable", SND_SOC_NOPM, 0, 0, &adc34_ctrl),
311 static const struct snd_soc_dapm_widget cs530x_adc_ch58_dapm_widgets[] = {
321 SND_SOC_DAPM_SWITCH("ADC56 Enable", SND_SOC_NOPM, 0, 0, &adc56_ctrl),
327 SND_SOC_DAPM_SWITCH("ADC78 Enable", SND_SOC_NOPM, 0, 0, &adc78_ctrl),
330 static const struct snd_soc_dapm_route adc_ch1_2_routes[] = {
331 	{ "ADC1", NULL, "Global Enable" },
332 	{ "ADC2", NULL, "Global Enable" },
334 	{ "ADC12 Enable", "Switch", "IN1" },
335 	{ "ADC12 Enable", "Switch", "IN2" },
336 	{ "ADC1", NULL, "ADC12 Enable" },
337 	{ "ADC2", NULL, "ADC12 Enable" },
346 static const struct snd_soc_dapm_route adc_ch3_4_routes[] = {
347 	{ "ADC3", NULL, "Global Enable" },
348 	{ "ADC4", NULL, "Global Enable" },
350 	{ "ADC34 Enable", "Switch", "IN3" },
351 	{ "ADC34 Enable", "Switch", "IN4" },
352 	{ "ADC3", NULL, "ADC34 Enable" },
353 	{ "ADC4", NULL, "ADC34 Enable" },
361 static const struct snd_soc_dapm_route adc_ch5_8_routes[] = {
362 	{ "ADC5", NULL, "Global Enable" },
363 	{ "ADC6", NULL, "Global Enable" },
364 	{ "ADC7", NULL, "Global Enable" },
365 	{ "ADC8", NULL, "Global Enable" },
367 	{ "ADC56 Enable", "Switch", "IN5" },
368 	{ "ADC56 Enable", "Switch", "IN6" },
369 	{ "ADC5", NULL, "ADC56 Enable" },
370 	{ "ADC6", NULL, "ADC56 Enable" },
377 	{ "ADC78 Enable", "Switch", "IN7" },
378 	{ "ADC78 Enable", "Switch", "IN8" },
379 	{ "ADC7", NULL, "ADC78 Enable" },
380 	{ "ADC8", NULL, "ADC78 Enable" },
388 static void cs530x_add_12_adc_widgets(struct snd_soc_component *component)  in cs530x_add_12_adc_widgets()
403 static void cs530x_add_34_adc_widgets(struct snd_soc_component *component)  in cs530x_add_34_adc_widgets()
418 static int cs530x_set_bclk(struct snd_soc_component *component, const int freq)  in cs530x_set_bclk()
421 	struct regmap *regmap = cs530x->regmap;  in cs530x_set_bclk()
442 		dev_err(component->dev, "Invalid BCLK frequency %d\n", freq);  in cs530x_set_bclk()
443 		return -EINVAL;  in cs530x_set_bclk()
446 	dev_dbg(component->dev, "BCLK frequency is %d\n", freq);  in cs530x_set_bclk()
452 static int cs530x_set_pll_refclk(struct snd_soc_component *component,  in cs530x_set_pll_refclk()
456 	struct regmap *regmap = priv->regmap;  in cs530x_set_pll_refclk()
477 		dev_err(component->dev, "Invalid PLL refclk %d\n", freq);  in cs530x_set_pll_refclk()
478 		return -EINVAL;  in cs530x_set_pll_refclk()
485 static int cs530x_hw_params(struct snd_pcm_substream *substream,  in cs530x_hw_params()
489 	struct snd_soc_component *component = dai->component;  in cs530x_hw_params()
491 	struct regmap *regmap = cs530x->regmap;  in cs530x_hw_params()
521 		dev_err(component->dev, "Invalid sample rate %d\n", fs);  in cs530x_hw_params()
522 		return -EINVAL;  in cs530x_hw_params()
525 	cs530x->fs = fs;  in cs530x_hw_params()
532 		dev_dbg(component->dev, "Configuring for %d %d bit TDM slots\n",  in cs530x_hw_params()
533 			cs530x->tdm_slots, cs530x->tdm_width);  in cs530x_hw_params()
535 						  cs530x->tdm_width,  in cs530x_hw_params()
536 						  cs530x->tdm_slots,  in cs530x_hw_params()
552 static int cs530x_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)  in cs530x_set_fmt()
554 	struct snd_soc_component *component = dai->component;  in cs530x_set_fmt()
556 	struct regmap *regmap = priv->regmap;  in cs530x_set_fmt()
566 		return -EINVAL;  in cs530x_set_fmt()
580 		return -EINVAL;  in cs530x_set_fmt()
590 		return -EINVAL;  in cs530x_set_fmt()
601 static bool cs530x_check_mclk_freq(struct snd_soc_component *component,  in cs530x_check_mclk_freq()
611 		dev_err(component->dev, "Invalid MCLK %d\n", freq);  in cs530x_check_mclk_freq()
616 static int cs530x_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,  in cs530x_set_tdm_slot()
619 	struct snd_soc_component *component = dai->component;  in cs530x_set_tdm_slot()
621 	struct regmap *regmap = cs530x->regmap;  in cs530x_set_tdm_slot()
656 		dev_err(component->dev, "Invalid TX slot(s) 0x%x\n", tx_mask);  in cs530x_set_tdm_slot()
657 		return -EINVAL;  in cs530x_set_tdm_slot()
660 	cs530x->tdm_width = slot_width;  in cs530x_set_tdm_slot()
661 	cs530x->tdm_slots = slots;  in cs530x_set_tdm_slot()
668 static const struct snd_soc_dai_ops cs530x_dai_ops = {
674 static const struct snd_soc_dai_driver cs530x_dai = {
675 	.name = "cs530x-dai",
688 static int cs530x_set_pll(struct snd_soc_component *component, int pll_id,  in cs530x_set_pll()
693 	struct regmap *regmap = cs530x->regmap;  in cs530x_set_pll()
706 			return -EINVAL;  in cs530x_set_pll()
716 		dev_err(component->dev, "Invalid PLL source %d\n", source);  in cs530x_set_pll()
717 		return -EINVAL;  in cs530x_set_pll()
724 static int cs530x_component_probe(struct snd_soc_component *component)  in cs530x_component_probe()
733 	switch (cs530x->devtype) {  in cs530x_component_probe()
769 		dev_err(component->dev, "Invalid device type %d\n",  in cs530x_component_probe()
770 			cs530x->devtype);  in cs530x_component_probe()
771 		return -EINVAL;  in cs530x_component_probe()
777 static int cs530x_set_sysclk(struct snd_soc_component *component, int clk_id,  in cs530x_set_sysclk()
781 	struct regmap *regmap = cs530x->regmap;  in cs530x_set_sysclk()
786 			dev_err(component->dev, "Invalid MCLK source rate %d\n",  in cs530x_set_sysclk()
788 			return -EINVAL;  in cs530x_set_sysclk()
791 		cs530x->mclk_rate = freq;  in cs530x_set_sysclk()
796 		dev_err(component->dev, "Invalid clock id %d\n", clk_id);  in cs530x_set_sysclk()
797 		return -EINVAL;  in cs530x_set_sysclk()
805 static const struct snd_soc_component_driver soc_component_dev_cs530x = {
826 static int cs530x_check_device_id(struct cs530x_priv *cs530x)  in cs530x_check_device_id()
828 	struct device *dev = cs530x->dev;  in cs530x_check_device_id()
832 	ret = regmap_read(cs530x->regmap, CS530X_DEVID, &dev_id);  in cs530x_check_device_id()
836 	ret = regmap_read(cs530x->regmap, CS530X_REVID, &rev);  in cs530x_check_device_id()
844 		cs530x->num_adcs = 2;  in cs530x_check_device_id()
847 		cs530x->num_adcs = 4;  in cs530x_check_device_id()
850 		cs530x->num_adcs = 8;  in cs530x_check_device_id()
853 		return dev_err_probe(dev, -EINVAL, "Invalid device ID 0x%x\n",  in cs530x_check_device_id()
860 static int cs530x_parse_device_properties(struct cs530x_priv *cs530x)  in cs530x_parse_device_properties()
862 	struct regmap *regmap = cs530x->regmap;  in cs530x_parse_device_properties()
863 	struct device *dev = cs530x->dev;  in cs530x_parse_device_properties()
866 	switch (cs530x->num_adcs) {  in cs530x_parse_device_properties()
868 		if (device_property_read_bool(dev, "cirrus,in-hiz-pin78"))  in cs530x_parse_device_properties()
871 		if (device_property_read_bool(dev, "cirrus,in-hiz-pin56"))  in cs530x_parse_device_properties()
876 		if (device_property_read_bool(dev, "cirrus,in-hiz-pin34"))  in cs530x_parse_device_properties()
881 		if (device_property_read_bool(dev, "cirrus,in-hiz-pin12"))  in cs530x_parse_device_properties()
886 		return dev_err_probe(dev, -EINVAL,  in cs530x_parse_device_properties()
888 				     cs530x->num_adcs);  in cs530x_parse_device_properties()
894 	struct device *dev = cs530x->dev;  in cs530x_probe()
897 	cs530x->dev_dai = devm_kmemdup(dev, &cs530x_dai,  in cs530x_probe()
898 					sizeof(*(cs530x->dev_dai)),  in cs530x_probe()
900 	if (!cs530x->dev_dai)  in cs530x_probe()
901 		return -ENOMEM;  in cs530x_probe()
903 	for (i = 0; i < ARRAY_SIZE(cs530x->supplies); i++)  in cs530x_probe()
904 		cs530x->supplies[i].supply = cs530x_supply_names[i];  in cs530x_probe()
906 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(cs530x->supplies),  in cs530x_probe()
907 				      cs530x->supplies);  in cs530x_probe()
911 	ret = regulator_bulk_enable(ARRAY_SIZE(cs530x->supplies),  in cs530x_probe()
912 				    cs530x->supplies);  in cs530x_probe()
914 		return dev_err_probe(dev, ret, "Failed to enable supplies");  in cs530x_probe()
916 	cs530x->reset_gpio = devm_gpiod_get_optional(dev, "reset",  in cs530x_probe()
918 	if (IS_ERR(cs530x->reset_gpio)) {  in cs530x_probe()
919 		ret = dev_err_probe(dev, PTR_ERR(cs530x->reset_gpio),  in cs530x_probe()
924 	if (cs530x->reset_gpio) {  in cs530x_probe()
926 		gpiod_set_value_cansleep(cs530x->reset_gpio, 0);  in cs530x_probe()
934 	if (!cs530x->reset_gpio) {  in cs530x_probe()
935 		ret = regmap_write(cs530x->regmap, CS530X_SW_RESET,  in cs530x_probe()
947 	cs530x->dev_dai->capture.channels_max = cs530x->num_adcs;  in cs530x_probe()
950 			&soc_component_dev_cs530x, cs530x->dev_dai, 1);  in cs530x_probe()
959 	gpiod_set_value_cansleep(cs530x->reset_gpio, 1);  in cs530x_probe()
962 	regulator_bulk_disable(ARRAY_SIZE(cs530x->supplies),  in cs530x_probe()
963 			       cs530x->supplies);  in cs530x_probe()