1 // SPDX-License-Identifier: GPL-2.0
5  * Copyright (C) 2017 - 2018 Sebastian Reichel <sre@kernel.org>
8  * Copyright (C) 2007 - 2009 Motorola, Inc.
14 #include <linux/mfd/motorola-cpcap.h>
19 /* Register 512 CPCAP_REG_VAUDIOC --- Audio Regulator and Bias Voltage */
27 /* Register 513 CPCAP_REG_CC     --- CODEC */
45 /* Register 514 CPCAP_REG_CDI    --- CODEC Digital Audio Interface */
62 /* Register 515 CPCAP_REG_SDAC   --- Stereo DAC */
76 /* Register 516 CPCAP_REG_SDACDI --- Stereo DAC Digital Audio Interface */
92 /* Register 517 CPCAP_REG_TXI    --- TX Interface */
110 /* Register 518 CPCAP_REG_TXMP   --- Mic Gain */
124 /* Register 519 CPCAP_REG_RXOA   --- RX Output Amplifier */
142 /* Register 520 CPCAP_REG_RXVC   --- RX Volume Control */
160 /* Register 521 CPCAP_REG_RXCOA  --- Codec to Output Amp Switches */
173 /* Register 522 CPCAP_REG_RXSDOA --- RX Stereo DAC to Output Amp Switches */
188 /* Register 523 CPCAP_REG_RXEPOA --- RX External PGA to Output Amp Switches */
205 /* Register 525 CPCAP_REG_A2LA --- SPK Amplifier and Clock Config for Headset */
268 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in cpcap_st_workaround()
273 	if (cpcap->vendor != CPCAP_VENDOR_ST)  in cpcap_st_workaround()
278 		err = regmap_write(cpcap->regmap, CPCAP_REG_TEST,  in cpcap_st_workaround()
282 		err = regmap_write(cpcap->regmap, CPCAP_REG_ST_TEST1,  in cpcap_st_workaround()
288 		err = regmap_write(cpcap->regmap, CPCAP_REG_ST_TEST1,  in cpcap_st_workaround()
292 		err = regmap_write(cpcap->regmap, CPCAP_REG_TEST,  in cpcap_st_workaround()
302 /* Capture Gain Control: 0dB to 31dB in 1dB steps */
305 /* Playback Gain Control: -33dB to 12dB in 3dB steps */
306 static const DECLARE_TLV_DB_SCALE(vol_tlv, -3300, 300, 0);
309 	/* Playback Gain */
317 	/* Capture Gain */
371 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;  in cpcap_output_mux_get_enum()
372 	unsigned int shift = e->shift_l;  in cpcap_output_mux_get_enum()
376 	err = regmap_read(cpcap->regmap, CPCAP_REG_RXCOA, &reg_voice);  in cpcap_output_mux_get_enum()
379 	err = regmap_read(cpcap->regmap, CPCAP_REG_RXSDOA, &reg_hifi);  in cpcap_output_mux_get_enum()
382 	err = regmap_read(cpcap->regmap, CPCAP_REG_RXEPOA, &reg_ext);  in cpcap_output_mux_get_enum()
393 		ucontrol->value.enumerated.item[0] = 3;  in cpcap_output_mux_get_enum()
396 		ucontrol->value.enumerated.item[0] = 2;  in cpcap_output_mux_get_enum()
399 		ucontrol->value.enumerated.item[0] = 1;  in cpcap_output_mux_get_enum()
402 		ucontrol->value.enumerated.item[0] = 0;  in cpcap_output_mux_get_enum()
416 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;  in cpcap_output_mux_put_enum()
417 	unsigned int muxval = ucontrol->value.enumerated.item[0];  in cpcap_output_mux_put_enum()
418 	unsigned int mask = BIT(e->shift_l);  in cpcap_output_mux_put_enum()
436 	err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXCOA,  in cpcap_output_mux_put_enum()
440 	err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXSDOA,  in cpcap_output_mux_put_enum()
444 	err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXEPOA,  in cpcap_output_mux_put_enum()
462 	err = regmap_read(cpcap->regmap, CPCAP_REG_TXI, &regval);  in cpcap_input_right_mux_get_enum()
474 		ucontrol->value.enumerated.item[0] = 4;  in cpcap_input_right_mux_get_enum()
477 		ucontrol->value.enumerated.item[0] = 3;  in cpcap_input_right_mux_get_enum()
480 		ucontrol->value.enumerated.item[0] = 2;  in cpcap_input_right_mux_get_enum()
483 		ucontrol->value.enumerated.item[0] = 1;  in cpcap_input_right_mux_get_enum()
486 		ucontrol->value.enumerated.item[0] = 0;  in cpcap_input_right_mux_get_enum()
500 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;  in cpcap_input_right_mux_put_enum()
501 	unsigned int muxval = ucontrol->value.enumerated.item[0];  in cpcap_input_right_mux_put_enum()
528 	err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,  in cpcap_input_right_mux_put_enum()
546 	err = regmap_read(cpcap->regmap, CPCAP_REG_TXI, &regval);  in cpcap_input_left_mux_get_enum()
556 		ucontrol->value.enumerated.item[0] = 2;  in cpcap_input_left_mux_get_enum()
559 		ucontrol->value.enumerated.item[0] = 1;  in cpcap_input_left_mux_get_enum()
562 		ucontrol->value.enumerated.item[0] = 0;  in cpcap_input_left_mux_get_enum()
576 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;  in cpcap_input_left_mux_put_enum()
577 	unsigned int muxval = ucontrol->value.enumerated.item[0];  in cpcap_input_left_mux_put_enum()
596 	err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,  in cpcap_input_left_mux_put_enum()
706 	SND_SOC_DAPM_PGA("Microphone 1 PGA",
708 	SND_SOC_DAPM_PGA("Microphone 2 PGA",
727 	/* Playback PGA */
728 	SND_SOC_DAPM_PGA("HiFi PGA",
730 	SND_SOC_DAPM_PGA("Voice PGA",
732 	SND_SOC_DAPM_PGA_E("Ext Right PGA",
737 	SND_SOC_DAPM_PGA_E("Ext Left PGA",
784 	SND_SOC_DAPM_PGA("Earpiece PGA",
786 	SND_SOC_DAPM_PGA("Speaker Right PGA",
788 	SND_SOC_DAPM_PGA("Speaker Left PGA",
790 	SND_SOC_DAPM_PGA("Lineout Right PGA",
792 	SND_SOC_DAPM_PGA("Lineout Left PGA",
794 	SND_SOC_DAPM_PGA("Headset Right PGA",
796 	SND_SOC_DAPM_PGA("Headset Left PGA",
798 	SND_SOC_DAPM_PGA("EMU Right PGA",
800 	SND_SOC_DAPM_PGA("EMU Left PGA",
821 	{"HiFi PGA", NULL, "VAUDIO"},
822 	{"Voice PGA", NULL, "VAUDIO"},
823 	{"Ext Right PGA", NULL, "VAUDIO"},
824 	{"Ext Left PGA", NULL, "VAUDIO"},
825 	{"Microphone 1 PGA", NULL, "VAUDIO"},
826 	{"Microphone 2 PGA", NULL, "VAUDIO"},
828 	/* Stream -> AIF */
846 	/* AIF -> DAC mapping */
850 	/* DAC -> PGA */
851 	{"HiFi PGA", NULL, "DAC HiFi"},
852 	{"Voice PGA", NULL, "DAC Voice"},
854 	/* Ext Input -> PGA */
855 	{"Ext Right PGA", NULL, "EXTR"},
856 	{"Ext Left PGA", NULL, "EXTL"},
858 	/* Ext PGA -> Ext Playback Switch */
859 	{"Ext Right Enable", "Switch", "Ext Right PGA"},
860 	{"Ext Left Enable", "Switch", "Ext Left PGA"},
862 	/* HiFi PGA -> Mono Mixer */
863 	{"HiFi Mono Left Mixer", NULL, "HiFi PGA"},
864 	{"HiFi Mono Left Mixer", "HiFi Mono Playback Switch", "HiFi PGA"},
865 	{"HiFi Mono Right Mixer", NULL, "HiFi PGA"},
866 	{"HiFi Mono Right Mixer", "HiFi Mono Playback Switch", "HiFi PGA"},
868 	/* Ext Playback Switch -> Ext Mono Mixer */
874 	/* HiFi Mono Mixer -> Output Route */
885 	/* Voice PGA -> Output Route */
886 	{"Earpiece Playback Route", "Voice", "Voice PGA"},
887 	{"Speaker Right Playback Route", "Voice", "Voice PGA"},
888 	{"Speaker Left Playback Route", "Voice", "Voice PGA"},
889 	{"Lineout Right Playback Route", "Voice", "Voice PGA"},
890 	{"Lineout Left Playback Route", "Voice", "Voice PGA"},
891 	{"Headset Right Playback Route", "Voice", "Voice PGA"},
892 	{"Headset Left Playback Route", "Voice", "Voice PGA"},
893 	{"EMU Right Playback Route", "Voice", "Voice PGA"},
894 	{"EMU Left Playback Route", "Voice", "Voice PGA"},
896 	/* Ext Mono Mixer -> Output Route */
907 	/* Output Route -> Output Amplifier */
908 	{"Earpiece PGA", NULL, "Earpiece Playback Route"},
909 	{"Speaker Right PGA", NULL, "Speaker Right Playback Route"},
910 	{"Speaker Left PGA", NULL, "Speaker Left Playback Route"},
911 	{"Lineout Right PGA", NULL, "Lineout Right Playback Route"},
912 	{"Lineout Left PGA", NULL, "Lineout Left Playback Route"},
913 	{"Headset Right PGA", NULL, "Headset Right Playback Route"},
914 	{"Headset Left PGA", NULL, "Headset Left Playback Route"},
915 	{"EMU Right PGA", NULL, "EMU Right Playback Route"},
916 	{"EMU Left PGA", NULL, "EMU Left Playback Route"},
918 	/* Output Amplifier -> Output */
919 	{"EP", NULL, "Earpiece PGA"},
920 	{"SPKR", NULL, "Speaker Right PGA"},
921 	{"SPKL", NULL, "Speaker Left PGA"},
922 	{"LINER", NULL, "Lineout Right PGA"},
923 	{"LINEL", NULL, "Lineout Left PGA"},
924 	{"HSR", NULL, "Headset Right PGA"},
925 	{"HSL", NULL, "Headset Left PGA"},
926 	{"EMUR", NULL, "EMU Right PGA"},
927 	{"EMUL", NULL, "EMU Left PGA"},
929 	/* Headset Charge Pump -> Headset */
933 	/* Mic -> Mic Route */
941 	/* Input Route -> Microphone PGA */
942 	{"Microphone 1 PGA", NULL, "Right Capture Route"},
943 	{"Microphone 2 PGA", NULL, "Left Capture Route"},
945 	/* Microphone PGA -> ADC */
946 	{"ADC Right", NULL, "Microphone 1 PGA"},
947 	{"ADC Left", NULL, "Microphone 2 PGA"},
949 	/* ADC -> Stream */
981 		dev_err(cpcap->component->dev, "invalid DAI: %d", dai);  in cpcap_set_sysclk()
982 		return -EINVAL;  in cpcap_set_sysclk()
987 		dev_err(cpcap->component->dev, "invalid clk id %d", clk_id);  in cpcap_set_sysclk()
988 		return -EINVAL;  in cpcap_set_sysclk()
990 	err = regmap_update_bits(cpcap->regmap, clkidreg, BIT(clkidshift),  in cpcap_set_sysclk()
999 		err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI,  in cpcap_set_sysclk()
1027 		dev_err(cpcap->component->dev, "unsupported freq %u", freq);  in cpcap_set_sysclk()
1028 		return -EINVAL;  in cpcap_set_sysclk()
1031 	err = regmap_update_bits(cpcap->regmap, clkfreqreg,  in cpcap_set_sysclk()
1037 		cpcap->codec_clk_id = clk_id;  in cpcap_set_sysclk()
1038 		cpcap->codec_freq = freq;  in cpcap_set_sysclk()
1047 	struct snd_soc_component *component = cpcap->component;  in cpcap_set_samprate()
1065 		dev_err(component->dev, "invalid DAI: %d", dai);  in cpcap_set_samprate()
1066 		return -EINVAL;  in cpcap_set_samprate()
1099 		dev_err(component->dev, "unsupported samplerate %d", samplerate);  in cpcap_set_samprate()
1100 		return -EINVAL;  in cpcap_set_samprate()
1102 	err = regmap_update_bits(cpcap->regmap, sampreg,  in cpcap_set_samprate()
1110 	err = regmap_read(cpcap->regmap, sampreg, &sampreadval);  in cpcap_set_samprate()
1115 		dev_err(component->dev, "reset self-clear failed: %04x",  in cpcap_set_samprate()
1117 		return -EIO;  in cpcap_set_samprate()
1127 	struct snd_soc_component *component = dai->component;  in cpcap_hifi_hw_params()
1131 	dev_dbg(component->dev, "HiFi setup HW params: rate=%d", rate);  in cpcap_hifi_hw_params()
1138 	struct snd_soc_component *component = codec_dai->component;  in cpcap_hifi_set_dai_sysclk()
1140 	struct device *dev = component->dev;  in cpcap_hifi_set_dai_sysclk()
1149 	struct snd_soc_component *component = codec_dai->component;  in cpcap_hifi_set_dai_fmt()
1151 	struct device *dev = component->dev;  in cpcap_hifi_set_dai_fmt()
1171 	 * SND_SOC_DAIFMT_CBP_CFP - codec clk & frm provider  in cpcap_hifi_set_dai_fmt()
1172 	 * SND_SOC_DAIFMT_I2S - I2S mode  in cpcap_hifi_set_dai_fmt()
1180 		return -EINVAL;  in cpcap_hifi_set_dai_fmt()
1202 		return -EINVAL;  in cpcap_hifi_set_dai_fmt()
1216 		/* 01 - 4 slots network mode */  in cpcap_hifi_set_dai_fmt()
1225 	return regmap_update_bits(cpcap->regmap, reg, mask, val);  in cpcap_hifi_set_dai_fmt()
1230 	struct snd_soc_component *component = dai->component;  in cpcap_hifi_set_mute()
1241 	dev_dbg(component->dev, "HiFi mute: %d", mute);  in cpcap_hifi_set_mute()
1242 	return regmap_update_bits(cpcap->regmap, reg, mask, val);  in cpcap_hifi_set_mute()
1257 	struct snd_soc_component *component = dai->component;  in cpcap_voice_hw_params()
1258 	struct device *dev = component->dev;  in cpcap_voice_hw_params()
1263 	int direction = substream->stream;  in cpcap_voice_hw_params()
1285 		err = regmap_update_bits(cpcap->regmap, reg_cdi, mask, val);  in cpcap_voice_hw_params()
1296 	struct snd_soc_component *component = codec_dai->component;  in cpcap_voice_set_dai_sysclk()
1299 	dev_dbg(component->dev, "Voice setup sysclk: clk_id=%u, freq=%u",  in cpcap_voice_set_dai_sysclk()
1307 	struct snd_soc_component *component = codec_dai->component;  in cpcap_voice_set_dai_fmt()
1317 	dev_dbg(component->dev, "Voice setup dai format (%08x)", fmt);  in cpcap_voice_set_dai_fmt()
1321 	 * configured as SND_SOC_DAIFMT_CBP_CFP - codec clk & frm  in cpcap_voice_set_dai_fmt()
1329 		dev_err(component->dev, "Voice dai fmt failed: CPCAP should be the provider");  in cpcap_voice_set_dai_fmt()
1352 		dev_err(component->dev, "Voice dai fmt failed: unsupported clock invert mode");  in cpcap_voice_set_dai_fmt()
1363 		/* 11 - true I2S mode */  in cpcap_voice_set_dai_fmt()
1374 	dev_dbg(component->dev, "Voice dai format: val=%04x", val);  in cpcap_voice_set_dai_fmt()
1375 	err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI, mask, val);  in cpcap_voice_set_dai_fmt()
1379 	cpcap->codec_format = val;  in cpcap_voice_set_dai_fmt()
1398 	err = regmap_update_bits(cpcap->regmap, CPCAP_REG_VAUDIOC,  in cpcap_voice_call()
1405 	err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,  in cpcap_voice_call()
1413 	err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,  in cpcap_voice_call()
1420 	err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXOA,  in cpcap_voice_call()
1427 	err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXCOA,  in cpcap_voice_call()
1444 	err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CC,  in cpcap_voice_call()
1451 	err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI,  in cpcap_voice_call()
1461 	struct snd_soc_component *component = dai->component;  in cpcap_voice_set_tdm_slot()
1468 	 * later on for 16-bit calls detected, Bluetooth headset etc.  in cpcap_voice_set_tdm_slot()
1481 	err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI,  in cpcap_voice_set_tdm_slot()
1499 	struct snd_soc_component *component = dai->component;  in cpcap_voice_set_mute()
1510 	dev_dbg(component->dev, "Voice mute: %d", mute);  in cpcap_voice_set_mute()
1511 	return regmap_update_bits(cpcap->regmap, reg, mask, val);  in cpcap_voice_set_mute()
1526 	.name = "cpcap-hifi",
1538 	.name = "cpcap-voice",
1576 	err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI,  in cpcap_dai_mux()
1581 	err = regmap_update_bits(cpcap->regmap, CPCAP_REG_SDACDI,  in cpcap_dai_mux()
1595 	dev_dbg(component->dev, "init audio codec");  in cpcap_audio_reset()
1598 		err = regmap_update_bits(cpcap->regmap,  in cpcap_audio_reset()
1634 	cpcap = devm_kzalloc(component->dev, sizeof(*cpcap), GFP_KERNEL);  in cpcap_soc_probe()
1636 		return -ENOMEM;  in cpcap_soc_probe()
1638 	cpcap->component = component;  in cpcap_soc_probe()
1640 	cpcap->regmap = dev_get_regmap(component->dev->parent, NULL);  in cpcap_soc_probe()
1641 	if (!cpcap->regmap)  in cpcap_soc_probe()
1642 		return -ENODEV;  in cpcap_soc_probe()
1643 	snd_soc_component_init_regmap(component, cpcap->regmap);  in cpcap_soc_probe()
1645 	err = cpcap_get_vendor(component->dev, cpcap->regmap, &cpcap->vendor);  in cpcap_soc_probe()
1668 		of_get_child_by_name(pdev->dev.parent->of_node, "audio-codec");  in cpcap_codec_probe()
1670 		return -ENODEV;  in cpcap_codec_probe()
1672 	pdev->dev.of_node = codec_node;  in cpcap_codec_probe()
1674 	return devm_snd_soc_register_component(&pdev->dev, &soc_codec_dev_cpcap,  in cpcap_codec_probe()
1681 		.name	= "cpcap-codec",
1686 MODULE_ALIAS("platform:cpcap-codec");