1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * max98390.c  --  MAX98390 ALSA Soc Audio driver
166 	struct snd_soc_component *component = codec_dai->component;  in max98390_dai_set_fmt()
173 	dev_dbg(component->dev, "%s: fmt 0x%08X\n", __func__, fmt);  in max98390_dai_set_fmt()
180 		max98390->provider = true;  in max98390_dai_set_fmt()
184 		dev_err(component->dev, "DAI clock mode unsupported\n");  in max98390_dai_set_fmt()
185 		return -EINVAL;  in max98390_dai_set_fmt()
188 	regmap_update_bits(max98390->regmap,  in max98390_dai_set_fmt()
200 		dev_err(component->dev, "DAI invert mode unsupported\n");  in max98390_dai_set_fmt()
201 		return -EINVAL;  in max98390_dai_set_fmt()
204 	regmap_update_bits(max98390->regmap,  in max98390_dai_set_fmt()
224 		return -EINVAL;  in max98390_dai_set_fmt()
227 	regmap_update_bits(max98390->regmap,  in max98390_dai_set_fmt()
266 	if (max98390->provider) {  in max98390_set_clock()
270 			if (rate_table[i] >= max98390->sysclk)  in max98390_set_clock()
274 			dev_err(component->dev, "failed to find proper clock rate.\n");  in max98390_set_clock()
275 			return -EINVAL;  in max98390_set_clock()
278 		regmap_update_bits(max98390->regmap,  in max98390_set_clock()
284 	if (!max98390->tdm_mode) {  in max98390_set_clock()
288 			dev_err(component->dev, "format unsupported %d\n",  in max98390_set_clock()
290 			return -EINVAL;  in max98390_set_clock()
293 		regmap_update_bits(max98390->regmap,  in max98390_set_clock()
306 		dai->component;  in max98390_dai_hw_params()
325 		dev_err(component->dev, "format unsupported %d\n",  in max98390_dai_hw_params()
330 	regmap_update_bits(max98390->regmap,  in max98390_dai_hw_params()
334 	dev_dbg(component->dev, "format supported %d",  in max98390_dai_hw_params()
367 		dev_err(component->dev, "rate %d not supported\n",  in max98390_dai_hw_params()
373 	regmap_update_bits(max98390->regmap,  in max98390_dai_hw_params()
380 	return -EINVAL;  in max98390_dai_hw_params()
387 	struct snd_soc_component *component = dai->component;  in max98390_dai_tdm_slot()
395 		max98390->tdm_mode = false;  in max98390_dai_tdm_slot()
397 		max98390->tdm_mode = true;  in max98390_dai_tdm_slot()
399 	dev_dbg(component->dev,  in max98390_dai_tdm_slot()
400 		"Tdm mode : %d\n", max98390->tdm_mode);  in max98390_dai_tdm_slot()
405 		dev_err(component->dev, "BCLK %d not supported\n",  in max98390_dai_tdm_slot()
407 		return -EINVAL;  in max98390_dai_tdm_slot()
410 	regmap_update_bits(max98390->regmap,  in max98390_dai_tdm_slot()
427 		dev_err(component->dev, "format unsupported %d\n",  in max98390_dai_tdm_slot()
429 		return -EINVAL;  in max98390_dai_tdm_slot()
432 	regmap_update_bits(max98390->regmap,  in max98390_dai_tdm_slot()
436 	/* Rx slot configuration */  in max98390_dai_tdm_slot()
437 	regmap_write(max98390->regmap,  in max98390_dai_tdm_slot()
440 	regmap_write(max98390->regmap,  in max98390_dai_tdm_slot()
444 	/* Tx slot Hi-Z configuration */  in max98390_dai_tdm_slot()
445 	regmap_write(max98390->regmap,  in max98390_dai_tdm_slot()
448 	regmap_write(max98390->regmap,  in max98390_dai_tdm_slot()
458 	struct snd_soc_component *component = dai->component;  in max98390_dai_set_sysclk()
462 	max98390->sysclk = freq;  in max98390_dai_set_sysclk()
477 		snd_soc_dapm_to_component(w->dapm);  in max98390_dac_event()
483 		regmap_update_bits(max98390->regmap,  in max98390_dac_event()
486 		regmap_update_bits(max98390->regmap,  in max98390_dac_event()
491 		regmap_update_bits(max98390->regmap,  in max98390_dac_event()
494 		regmap_update_bits(max98390->regmap,  in max98390_dac_event()
517 static DECLARE_TLV_DB_SCALE(max98390_digital_tlv, -8000, 50, 0);
543 	max98390->ref_rdc_value = ucontrol->value.integer.value[0];  in max98390_ref_rdc_put()
545 	regmap_write(max98390->regmap, DSM_TPROT_RECIP_RDC_ROOM_BYTE0,  in max98390_ref_rdc_put()
546 		max98390->ref_rdc_value & 0x000000ff);  in max98390_ref_rdc_put()
547 	regmap_write(max98390->regmap, DSM_TPROT_RECIP_RDC_ROOM_BYTE1,  in max98390_ref_rdc_put()
548 		(max98390->ref_rdc_value >> 8) & 0x000000ff);  in max98390_ref_rdc_put()
549 	regmap_write(max98390->regmap, DSM_TPROT_RECIP_RDC_ROOM_BYTE2,  in max98390_ref_rdc_put()
550 		(max98390->ref_rdc_value >> 16) & 0x000000ff);  in max98390_ref_rdc_put()
563 	ucontrol->value.integer.value[0] = max98390->ref_rdc_value;  in max98390_ref_rdc_get()
576 	max98390->ambient_temp_value = ucontrol->value.integer.value[0];  in max98390_ambient_temp_put()
578 	regmap_write(max98390->regmap, DSM_TPROT_ROOM_TEMPERATURE_BYTE1,  in max98390_ambient_temp_put()
579 		(max98390->ambient_temp_value >> 8) & 0x000000ff);  in max98390_ambient_temp_put()
580 	regmap_write(max98390->regmap, DSM_TPROT_ROOM_TEMPERATURE_BYTE0,  in max98390_ambient_temp_put()
581 		(max98390->ambient_temp_value) & 0x000000ff);  in max98390_ambient_temp_put()
594 	ucontrol->value.integer.value[0] = max98390->ambient_temp_value;  in max98390_ambient_temp_get()
605 	dev_warn(component->dev, "Put adaptive rdc not supported\n");  in max98390_adaptive_rdc_put()
619 	regmap_read(max98390->regmap, THERMAL_RDC_RD_BACK_BYTE1, &rdc);  in max98390_adaptive_rdc_get()
620 	regmap_read(max98390->regmap, THERMAL_RDC_RD_BACK_BYTE0, &rdc0);  in max98390_adaptive_rdc_get()
621 	ucontrol->value.integer.value[0] = rdc0 | rdc << 8;  in max98390_adaptive_rdc_get()
643 	regmap_read(max98390->regmap, MAX98390_R23FF_GLOBAL_EN, &val);  in max98390_dsm_calib_put()
646 		regmap_update_bits(max98390->regmap, MAX98390_R203A_AMP_EN,  in max98390_dsm_calib_put()
648 		regmap_update_bits(max98390->regmap, MAX98390_R23FF_GLOBAL_EN,  in max98390_dsm_calib_put()
652 	regmap_read(max98390->regmap, THERMAL_RDC_RD_BACK_BYTE1, &rdc);  in max98390_dsm_calib_put()
653 	regmap_read(max98390->regmap, THERMAL_RDC_RD_BACK_BYTE0, &rdc_cal_result);  in max98390_dsm_calib_put()
654 	regmap_read(max98390->regmap, MAX98390_MEAS_ADC_CH2_READ, &temp);  in max98390_dsm_calib_put()
658 		regmap_update_bits(max98390->regmap, MAX98390_R23FF_GLOBAL_EN,  in max98390_dsm_calib_put()
660 		regmap_update_bits(max98390->regmap, MAX98390_R203A_AMP_EN,  in max98390_dsm_calib_put()
668 		max98390->ref_rdc_value = 268435456U / rdc_cal_result;  in max98390_dsm_calib_put()
670 	max98390->ambient_temp_value = temp * 52 - 1188;  in max98390_dsm_calib_put()
673 	rdc_factor = ((rdc_cal_result * 937 * 100) / 65536) - (rdc_integer * 100);  in max98390_dsm_calib_put()
675 	dev_info(component->dev,  in max98390_dsm_calib_put()
771 		.name = "max98390-aif1",
804 	if (!strcmp(max98390->dsm_param_name, "default")) {  in max98390_dsm_init()
813 			max98390->dsm_param_name);  in max98390_dsm_init()
815 	ret = request_firmware(&fw, filename, component->dev);  in max98390_dsm_init()
817 		ret = request_firmware(&fw, "dsm_param.bin", component->dev);  in max98390_dsm_init()
820 				component->dev);  in max98390_dsm_init()
826 	dev_dbg(component->dev,  in max98390_dsm_init()
828 		fw->size);  in max98390_dsm_init()
829 	if (fw->size < MAX98390_DSM_PARAM_MIN_SIZE) {  in max98390_dsm_init()
830 		dev_err(component->dev,  in max98390_dsm_init()
832 		ret = -EINVAL;  in max98390_dsm_init()
835 	dsm_param = (char *)fw->data;  in max98390_dsm_init()
840 		fw->size < param_size + MAX98390_DSM_PAYLOAD_OFFSET) {  in max98390_dsm_init()
841 		dev_err(component->dev,  in max98390_dsm_init()
843 		ret = -EINVAL;  in max98390_dsm_init()
846 	regmap_write(max98390->regmap, MAX98390_R203A_AMP_EN, 0x80);  in max98390_dsm_init()
848 	regmap_bulk_write(max98390->regmap, param_start_addr,  in max98390_dsm_init()
850 	regmap_write(max98390->regmap, MAX98390_R23E1_DSP_GLOBAL_EN, 0x01);  in max98390_dsm_init()
863 	regmap_write(max98390->regmap, MAX98390_CLK_MON, 0x6f);  in max98390_init_regs()
864 	regmap_write(max98390->regmap, MAX98390_DAT_MON, 0x00);  in max98390_init_regs()
865 	regmap_write(max98390->regmap, MAX98390_PWR_GATE_CTL, 0x00);  in max98390_init_regs()
866 	regmap_write(max98390->regmap, MAX98390_PCM_RX_EN_A, 0x03);  in max98390_init_regs()
867 	regmap_write(max98390->regmap, MAX98390_ENV_TRACK_VOUT_HEADROOM, 0x0e);  in max98390_init_regs()
868 	regmap_write(max98390->regmap, MAX98390_BOOST_BYPASS1, 0x46);  in max98390_init_regs()
869 	regmap_write(max98390->regmap, MAX98390_FET_SCALING3, 0x03);  in max98390_init_regs()
871 	/* voltage, current slot configuration */  in max98390_init_regs()
872 	regmap_write(max98390->regmap,  in max98390_init_regs()
874 		(max98390->i_l_slot << 4 |  in max98390_init_regs()
875 		max98390->v_l_slot)&0xFF);  in max98390_init_regs()
877 	if (max98390->v_l_slot < 8) {  in max98390_init_regs()
878 		regmap_update_bits(max98390->regmap,  in max98390_init_regs()
880 			1 << max98390->v_l_slot, 0);  in max98390_init_regs()
881 		regmap_update_bits(max98390->regmap,  in max98390_init_regs()
883 			1 << max98390->v_l_slot,  in max98390_init_regs()
884 			1 << max98390->v_l_slot);  in max98390_init_regs()
886 		regmap_update_bits(max98390->regmap,  in max98390_init_regs()
888 			1 << (max98390->v_l_slot - 8), 0);  in max98390_init_regs()
889 		regmap_update_bits(max98390->regmap,  in max98390_init_regs()
891 			1 << (max98390->v_l_slot - 8),  in max98390_init_regs()
892 			1 << (max98390->v_l_slot - 8));  in max98390_init_regs()
895 	if (max98390->i_l_slot < 8) {  in max98390_init_regs()
896 		regmap_update_bits(max98390->regmap,  in max98390_init_regs()
898 			1 << max98390->i_l_slot, 0);  in max98390_init_regs()
899 		regmap_update_bits(max98390->regmap,  in max98390_init_regs()
901 			1 << max98390->i_l_slot,  in max98390_init_regs()
902 			1 << max98390->i_l_slot);  in max98390_init_regs()
904 		regmap_update_bits(max98390->regmap,  in max98390_init_regs()
906 			1 << (max98390->i_l_slot - 8), 0);  in max98390_init_regs()
907 		regmap_update_bits(max98390->regmap,  in max98390_init_regs()
909 			1 << (max98390->i_l_slot - 8),  in max98390_init_regs()
910 			1 << (max98390->i_l_slot - 8));  in max98390_init_regs()
919 	regmap_write(max98390->regmap, MAX98390_SOFTWARE_RESET, 0x01);  in max98390_probe()
929 	if (max98390->ref_rdc_value) {  in max98390_probe()
930 		regmap_write(max98390->regmap, DSM_TPROT_RECIP_RDC_ROOM_BYTE0,  in max98390_probe()
931 			max98390->ref_rdc_value & 0x000000ff);  in max98390_probe()
932 		regmap_write(max98390->regmap, DSM_TPROT_RECIP_RDC_ROOM_BYTE1,  in max98390_probe()
933 			(max98390->ref_rdc_value >> 8) & 0x000000ff);  in max98390_probe()
934 		regmap_write(max98390->regmap, DSM_TPROT_RECIP_RDC_ROOM_BYTE2,  in max98390_probe()
935 			(max98390->ref_rdc_value >> 16) & 0x000000ff);  in max98390_probe()
937 	if (max98390->ambient_temp_value) {  in max98390_probe()
938 		regmap_write(max98390->regmap, DSM_TPROT_ROOM_TEMPERATURE_BYTE1,  in max98390_probe()
939 			(max98390->ambient_temp_value >> 8) & 0x000000ff);  in max98390_probe()
940 		regmap_write(max98390->regmap, DSM_TPROT_ROOM_TEMPERATURE_BYTE0,  in max98390_probe()
941 			(max98390->ambient_temp_value) & 0x000000ff);  in max98390_probe()
954 	regcache_cache_only(max98390->regmap, true);  in max98390_suspend()
955 	regcache_mark_dirty(max98390->regmap);  in max98390_suspend()
966 	regcache_cache_only(max98390->regmap, false);  in max98390_resume()
967 	regcache_sync(max98390->regmap);  in max98390_resume()
1005 	struct device *dev = &i2c->dev;  in max98390_slot_config()
1007 	if (!device_property_read_u32(dev, "maxim,vmon-slot-no", &value))  in max98390_slot_config()
1008 		max98390->v_l_slot = value & 0xF;  in max98390_slot_config()
1010 		max98390->v_l_slot = 0;  in max98390_slot_config()
1012 	if (!device_property_read_u32(dev, "maxim,imon-slot-no", &value))  in max98390_slot_config()
1013 		max98390->i_l_slot = value & 0xF;  in max98390_slot_config()
1015 		max98390->i_l_slot = 1;  in max98390_slot_config()
1024 	struct i2c_adapter *adapter = i2c->adapter;  in max98390_i2c_probe()
1031 		dev_err(&i2c->dev, "I2C check functionality failed\n");  in max98390_i2c_probe()
1032 		return -ENXIO;  in max98390_i2c_probe()
1035 	max98390 = devm_kzalloc(&i2c->dev, sizeof(*max98390), GFP_KERNEL);  in max98390_i2c_probe()
1037 		ret = -ENOMEM;  in max98390_i2c_probe()
1042 	ret = device_property_read_u32(&i2c->dev, "maxim,temperature_calib",  in max98390_i2c_probe()
1043 				       &max98390->ambient_temp_value);  in max98390_i2c_probe()
1045 		dev_info(&i2c->dev,  in max98390_i2c_probe()
1046 			 "no optional property 'temperature_calib' found, default:\n");  in max98390_i2c_probe()
1048 	ret = device_property_read_u32(&i2c->dev, "maxim,r0_calib",  in max98390_i2c_probe()
1049 				       &max98390->ref_rdc_value);  in max98390_i2c_probe()
1051 		dev_info(&i2c->dev,  in max98390_i2c_probe()
1052 			 "no optional property 'r0_calib' found, default:\n");  in max98390_i2c_probe()
1055 	dev_info(&i2c->dev,  in max98390_i2c_probe()
1057 		__func__, max98390->ref_rdc_value,  in max98390_i2c_probe()
1058 		max98390->ambient_temp_value);  in max98390_i2c_probe()
1060 	ret = device_property_read_string(&i2c->dev, "maxim,dsm_param_name",  in max98390_i2c_probe()
1061 				       &max98390->dsm_param_name);  in max98390_i2c_probe()
1063 		max98390->dsm_param_name = "default";  in max98390_i2c_probe()
1065 	/* voltage/current slot configuration */  in max98390_i2c_probe()
1069 	max98390->regmap = devm_regmap_init_i2c(i2c, &max98390_regmap);  in max98390_i2c_probe()
1070 	if (IS_ERR(max98390->regmap)) {  in max98390_i2c_probe()
1071 		ret = PTR_ERR(max98390->regmap);  in max98390_i2c_probe()
1072 		dev_err(&i2c->dev,  in max98390_i2c_probe()
1077 	reset_gpio = devm_gpiod_get_optional(&i2c->dev,  in max98390_i2c_probe()
1089 	ret = regmap_read(max98390->regmap,  in max98390_i2c_probe()
1092 		dev_err(&i2c->dev,  in max98390_i2c_probe()
1097 	dev_info(&i2c->dev, "MAX98390 revisionID: 0x%02X\n", reg);  in max98390_i2c_probe()
1099 	ret = devm_snd_soc_register_component(&i2c->dev,  in max98390_i2c_probe()