3  * ALSA SoC CPCAP codec driver
14 #include <linux/mfd/motorola-cpcap.h>
269 	struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);  in cpcap_st_workaround()  local
272 	/* Only CPCAP from ST requires workaround */  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()
370 	struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);  in cpcap_output_mux_get_enum()  local
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()
413 	struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);  in cpcap_output_mux_put_enum()  local
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()
458 	struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);  in cpcap_input_right_mux_get_enum()  local
462 	err = regmap_read(cpcap->regmap, CPCAP_REG_TXI, &regval);  in cpcap_input_right_mux_get_enum()
497 	struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);  in cpcap_input_right_mux_put_enum()  local
528 	err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,  in cpcap_input_right_mux_put_enum()
542 	struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);  in cpcap_input_left_mux_get_enum()  local
546 	err = regmap_read(cpcap->regmap, CPCAP_REG_TXI, &regval);  in cpcap_input_left_mux_get_enum()
573 	struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);  in cpcap_input_left_mux_put_enum()  local
596 	err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,  in cpcap_input_left_mux_put_enum()
958 static int cpcap_set_sysclk(struct cpcap_audio *cpcap, enum cpcap_dai dai,  in cpcap_set_sysclk()  argument
981 		dev_err(cpcap->component->dev, "invalid DAI: %d", dai);  in cpcap_set_sysclk()
987 		dev_err(cpcap->component->dev, "invalid clk id %d", clk_id);  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()
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()
1044 static int cpcap_set_samprate(struct cpcap_audio *cpcap, enum cpcap_dai dai,  in cpcap_set_samprate()  argument
1047 	struct snd_soc_component *component = cpcap->component;  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()
1128 	struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);  in cpcap_hifi_hw_params()  local
1132 	return cpcap_set_samprate(cpcap, CPCAP_DAI_HIFI, rate);  in cpcap_hifi_hw_params()
1139 	struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);  in cpcap_hifi_set_dai_sysclk()  local
1143 	return cpcap_set_sysclk(cpcap, CPCAP_DAI_HIFI, clk_id, freq);  in cpcap_hifi_set_dai_sysclk()
1150 	struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);  in cpcap_hifi_set_dai_fmt()  local
1179 		dev_err(dev, "HiFi dai fmt failed: CPCAP should be provider");  in cpcap_hifi_set_dai_fmt()
1225 	return regmap_update_bits(cpcap->regmap, reg, mask, val);  in cpcap_hifi_set_dai_fmt()
1231 	struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);  in cpcap_hifi_set_mute()  local
1242 	return regmap_update_bits(cpcap->regmap, reg, mask, val);  in cpcap_hifi_set_mute()
1259 	struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);  in cpcap_voice_hw_params()  local
1270 	err = cpcap_set_samprate(cpcap, CPCAP_DAI_VOICE, rate);  in cpcap_voice_hw_params()
1285 		err = regmap_update_bits(cpcap->regmap, reg_cdi, mask, val);  in cpcap_voice_hw_params()
1297 	struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);  in cpcap_voice_set_dai_sysclk()  local
1301 	return cpcap_set_sysclk(cpcap, CPCAP_DAI_VOICE, clk_id, freq);  in cpcap_voice_set_dai_sysclk()
1308 	struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);  in cpcap_voice_set_dai_fmt()  local
1329 		dev_err(component->dev, "Voice dai fmt failed: CPCAP should be the provider");  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()
1389  * cpcap related hardware as CPU is not involved in the voice call.
1391 static int cpcap_voice_call(struct cpcap_audio *cpcap, struct snd_soc_dai *dai,  in cpcap_voice_call()  argument
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()
1462 	struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);  in cpcap_voice_set_tdm_slot()  local
1481 	err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI,  in cpcap_voice_set_tdm_slot()
1486 	err = cpcap_set_samprate(cpcap, CPCAP_DAI_VOICE, slot_width * 1000);  in cpcap_voice_set_tdm_slot()
1490 	err = cpcap_voice_call(cpcap, dai, voice_call);  in cpcap_voice_set_tdm_slot()
1500 	struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);  in cpcap_voice_set_mute()  local
1511 	return regmap_update_bits(cpcap->regmap, reg, mask, val);  in cpcap_voice_set_mute()
1526 	.name = "cpcap-hifi",
1538 	.name = "cpcap-voice",
1557 static int cpcap_dai_mux(struct cpcap_audio *cpcap, bool swap_dai_configuration)  in cpcap_dai_mux()  argument
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()
1592 	struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);  in cpcap_audio_reset()  local
1598 		err = regmap_update_bits(cpcap->regmap,  in cpcap_audio_reset()
1607 	err = cpcap_dai_mux(cpcap, swap_dai_configuration);  in cpcap_audio_reset()
1611 	err = cpcap_set_sysclk(cpcap, CPCAP_DAI_HIFI, 0, 26000000);  in cpcap_audio_reset()
1614 	err = cpcap_set_sysclk(cpcap, CPCAP_DAI_VOICE, 0, 26000000);  in cpcap_audio_reset()
1618 	err = cpcap_set_samprate(cpcap, CPCAP_DAI_HIFI, 48000);  in cpcap_audio_reset()
1622 	err = cpcap_set_samprate(cpcap, CPCAP_DAI_VOICE, 48000);  in cpcap_audio_reset()
1631 	struct cpcap_audio *cpcap;  in cpcap_soc_probe()  local
1634 	cpcap = devm_kzalloc(component->dev, sizeof(*cpcap), GFP_KERNEL);  in cpcap_soc_probe()
1635 	if (!cpcap)  in cpcap_soc_probe()
1637 	snd_soc_component_set_drvdata(component, cpcap);  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()
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()
1681 		.name	= "cpcap-codec",
1686 MODULE_ALIAS("platform:cpcap-codec");
1687 MODULE_DESCRIPTION("ASoC CPCAP codec driver");