1 // SPDX-License-Identifier: GPL-2.0
3  * ak4619.c -- Asahi Kasei ALSA SoC Audio driver
30 #define AU_IFF1		0x01	/* Audio I/F Format */
31 #define AU_IFF2		0x02	/* Audio I/F Format (Extended) */
33 #define MIC_AMP1	0x04	/* MIC AMP Gain 1 */
34 #define MIC_AMP2	0x05	/* MIC AMP Gain 2 */
47 #define DAC_DEMP	0x13	/* DAC De-Emphasis Setting */
86 /* MIC AMP Gain */
126 /* DAC De-Emphasis Setting */
163  * max : 0x00 : +12.0 dB
164  *	( 0.5 dB step )
165  * min : 0xFE : -115.0 dB
168 static const DECLARE_TLV_DB_SCALE(dac_tlv, -11550, 50, 1);
173  * max : 0x0B : +27.0 dB
174  *	( 3 dB step )
175  * min: 0x00 : -6.0 dB
177 static const DECLARE_TLV_DB_SCALE(mic_tlv, -600, 300, 0);
182  * max : 0x00 : +24.0 dB
183  *	( 0.5 dB step )
184  * min : 0xFE : -103.0 dB
187 static const DECLARE_TLV_DB_SCALE(adc_tlv, -10350, 50, 1);
199 	"Sharp Roll-Off Filter",
200 	"Slow Roll-Off Filter",
201 	"Short Delay Sharp Roll-Off Filter",
202 	"Short Delay Slow Roll-Off Filter",
209 /* DAC De-Emphasis Filter select */
219 	"Sharp Roll-Off Filter",
220 	"Slow Roll-Off Filter",
221 	"Short Delay Sharp Roll-Off Filter",
222 	"Short Delay Slow Roll-Off Filter"
237 	if (!ak4619->deemph_en)  in ak4619_set_deemph()
240 	switch (ak4619->playback_rate) {  in ak4619_set_deemph()
262 	int deemph_en = ucontrol->value.integer.value[0];  in ak4619_put_deemph()
270 		return -EINVAL;  in ak4619_put_deemph()
273 	if (ak4619->deemph_en != deemph_en)  in ak4619_put_deemph()
276 	ak4619->deemph_en = deemph_en;  in ak4619_put_deemph()
288 	ucontrol->value.integer.value[0] = ak4619->deemph_en;  in ak4619_get_deemph()
325 	SOC_ENUM("DAC 1 De-Emphasis Filter", ak4619_dac_1_de_emp),
326 	SOC_ENUM("DAC 2 De-Emphasis Filter", ak4619_dac_2_de_emp),
331 	SOC_SINGLE_BOOL_EXT("Playback De-Emphasis Switch", 0, ak4619_get_deemph, ak4619_put_deemph),
340 	"Differential", "Single-Ended1", "Single-Ended2", "Pseudo Differential"
454 	{"Analog Input 1 Left MUX", "Single-Ended1",		"MIC1L"},
455 	{"Analog Input 1 Left MUX", "Single-Ended2",		"MIC1L"},
459 	{"Analog Input 1 Right MUX", "Single-Ended1",		"MIC1R"},
460 	{"Analog Input 1 Right MUX", "Single-Ended2",		"MIC1R"},
464 	{"Analog Input 2 Left MUX", "Single-Ended1",		"MIC2L"},
465 	{"Analog Input 2 Left MUX", "Single-Ended2",		"MIC2L"},
469 	{"Analog Input 2 Right MUX", "Single-Ended1",		"MIC2R"},
470 	{"Analog Input 2 Right MUX", "Single-Ended2",		"MIC2R"},
536 	struct snd_soc_component *component = dai->component;  in ak4619_dai_hw_params()
541 	bool is_play = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;  in ak4619_dai_hw_params()
560 			return -EINVAL;  in ak4619_dai_hw_params()
563 		return -EINVAL;  in ak4619_dai_hw_params()
568 		fs = ak4619->sysclk / rate;  in ak4619_dai_hw_params()
570 		return -EINVAL;  in ak4619_dai_hw_params()
593 			return -EINVAL;  in ak4619_dai_hw_params()
602 			return -EINVAL;  in ak4619_dai_hw_params()
609 			return -EINVAL;  in ak4619_dai_hw_params()
612 		return -EINVAL;  in ak4619_dai_hw_params()
620 		ak4619->playback_rate = rate;  in ak4619_dai_hw_params()
629 	struct snd_soc_component *component = dai->component;  in ak4619_dai_set_fmt()
643 		return -EINVAL;  in ak4619_dai_set_fmt()
663 		return -EINVAL;  in ak4619_dai_set_fmt()
671 		return -EINVAL;  in ak4619_dai_set_fmt()
687 	struct snd_soc_component *component = codec_dai->component;  in ak4619_dai_set_sysclk()
690 	ak4619->sysclk = freq;  in ak4619_dai_set_sysclk()
697 	struct snd_soc_component *component = dai->component;  in ak4619_dai_mute()
708 	struct snd_pcm_hw_constraint_list *constraint = &ak4619->constraint;  in ak4619_hw_constraints()
730 	 *	[8kHz - 48kHz]		: 256fs, 384fs or 512fs  in ak4619_hw_constraints()
731 	 *	[64kHz - 96kHz]		: 256fs  in ak4619_hw_constraints()
736 		fs = ak4619->sysclk / ak4619_sr[i];  in ak4619_hw_constraints()
746 			case (ARRAY_SIZE(ak4619_sr) - 1):  in ak4619_hw_constraints()
747 			case (ARRAY_SIZE(ak4619_sr) - 2):  in ak4619_hw_constraints()
759 	constraint->list	= ak4619_sr;  in ak4619_hw_constraints()
760 	constraint->mask	= ak4619_rate_mask;  in ak4619_hw_constraints()
761 	constraint->count	= ARRAY_SIZE(ak4619_sr);  in ak4619_hw_constraints()
772 	struct snd_soc_component *component = dai->component;  in ak4619_dai_startup()
775 	ak4619_hw_constraints(ak4619, substream->runtime);  in ak4619_dai_startup()
828 	{ .compatible = "asahi-kasei,ak4619",	.data = &ak4619_regmap_cfg },
851 	.name = "ak4619-hifi",
872 	struct device *dev = &i2c->dev;  in ak4619_i2c_probe()
878 		return -ENOMEM;  in ak4619_i2c_probe()
882 	ak4619->regmap = devm_regmap_init_i2c(i2c, &ak4619_regmap_cfg);  in ak4619_i2c_probe()
883 	if (IS_ERR(ak4619->regmap)) {  in ak4619_i2c_probe()
884 		ret = PTR_ERR(ak4619->regmap);  in ak4619_i2c_probe()
902 		.name = "ak4619-codec",