1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * wm8971.c  --  WM8971 ALSA SoC Audio driver
47 	{  4, 0x0000 },
94 static const char *wm8971_treble[] = { "8kHz", "4kHz" };
115 	SOC_ENUM_SINGLE(WM8971_ALC1, 7, 4, wm8971_alc_func),
116 	SOC_ENUM_SINGLE(WM8971_NGATE, 1, 2, wm8971_ng_type),    /* 4 */
117 	SOC_ENUM_SINGLE(WM8971_ADCDAC, 1, 4, wm8971_deemp),
118 	SOC_ENUM_SINGLE(WM8971_ADCTL1, 4, 4, wm8971_mono_mux),
122 	SOC_ENUM_SINGLE(WM8971_LADCIN, 6, 4, wm8971_lpga_sel),
123 	SOC_ENUM_SINGLE(WM8971_RADCIN, 6, 4, wm8971_rpga_sel),
124 	SOC_ENUM_SINGLE(WM8971_ADCDAC, 5, 4, wm8971_adcpol),    /* 12 */
125 	SOC_ENUM_SINGLE(WM8971_ADCIN, 6, 4, wm8971_mono_mux),
130 	SOC_DOUBLE_R("Capture ZC Switch", WM8971_LINVOL, WM8971_RINVOL,
132 	SOC_DOUBLE_R("Capture Switch", WM8971_LINVOL, WM8971_RINVOL, 7, 1, 1),
134 	SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8971_LOUT1V,
136 	SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8971_LOUT2V,
138 	SOC_SINGLE("Mono Playback ZC Switch", WM8971_MOUTV, 7, 1, 0),
143 		WM8971_LOUTM2, 4, 7, 1),
145 		WM8971_ROUTM2, 4, 7, 1),
147 		WM8971_MOUTM2, 4, 7, 1),
159 	SOC_ENUM("Treble Cut-off", wm8971_enum[2]),
161 	SOC_SINGLE("Capture Filter Switch", WM8971_ADCDAC, 0, 1, 1),
164 	SOC_SINGLE("ALC Max Volume", WM8971_ALC1, 4, 7, 0),
167 	SOC_SINGLE("ALC Capture Max Volume", WM8971_ALC1, 4, 7, 0),
169 	SOC_SINGLE("ALC Capture ZC Switch", WM8971_ALC2, 7, 1, 0),
171 	SOC_SINGLE("ALC Capture Decay Time", WM8971_ALC3, 4, 15, 0),
174 	SOC_ENUM("ALC Capture NG Type", wm8971_enum[4]),
175 	SOC_SINGLE("ALC Capture NG Switch", WM8971_NGATE, 0, 1, 0),
180 	SOC_ENUM("Playback De-emphasis", wm8971_enum[5]),
184 	SOC_DOUBLE_R("Mic Boost", WM8971_LADCIN, WM8971_RADCIN, 4, 3, 0),
193 SOC_DAPM_SINGLE("Playback Switch", WM8971_LOUTM1, 8, 1, 0),
194 SOC_DAPM_SINGLE("Left Bypass Switch", WM8971_LOUTM1, 7, 1, 0),
195 SOC_DAPM_SINGLE("Right Playback Switch", WM8971_LOUTM2, 8, 1, 0),
196 SOC_DAPM_SINGLE("Right Bypass Switch", WM8971_LOUTM2, 7, 1, 0),
201 SOC_DAPM_SINGLE("Left Playback Switch", WM8971_ROUTM1, 8, 1, 0),
202 SOC_DAPM_SINGLE("Left Bypass Switch", WM8971_ROUTM1, 7, 1, 0),
203 SOC_DAPM_SINGLE("Playback Switch", WM8971_ROUTM2, 8, 1, 0),
204 SOC_DAPM_SINGLE("Right Bypass Switch", WM8971_ROUTM2, 7, 1, 0),
209 SOC_DAPM_SINGLE("Left Playback Switch", WM8971_MOUTM1, 8, 1, 0),
210 SOC_DAPM_SINGLE("Left Bypass Switch", WM8971_MOUTM1, 7, 1, 0),
211 SOC_DAPM_SINGLE("Right Playback Switch", WM8971_MOUTM2, 8, 1, 0),
212 SOC_DAPM_SINGLE("Right Bypass Switch", WM8971_MOUTM2, 7, 1, 0),
247 	SND_SOC_DAPM_PGA("Left Out 2", WM8971_PWR2, 4, 0, NULL, 0),
260 	SND_SOC_DAPM_MUX("Right PGA Mux", WM8971_PWR1, 4, 0,
285 	{"Left Mixer", "Playback Switch", "Left DAC"},
286 	{"Left Mixer", "Left Bypass Switch", "Left Line Mux"},
287 	{"Left Mixer", "Right Playback Switch", "Right DAC"},
288 	{"Left Mixer", "Right Bypass Switch", "Right Line Mux"},
291 	{"Right Mixer", "Left Playback Switch", "Left DAC"},
292 	{"Right Mixer", "Left Bypass Switch", "Left Line Mux"},
293 	{"Right Mixer", "Playback Switch", "Right DAC"},
294 	{"Right Mixer", "Right Bypass Switch", "Right Line Mux"},
313 	{"Mono Mixer", "Left Playback Switch", "Left DAC"},
314 	{"Mono Mixer", "Left Bypass Switch", "Left Line Mux"},
315 	{"Mono Mixer", "Right Playback Switch", "Right DAC"},
316 	{"Mono Mixer", "Right Bypass Switch", "Right Line Mux"},
426 	return -EINVAL;  in get_coeff()
432 	struct snd_soc_component *component = codec_dai->component;  in wm8971_set_dai_sysclk()
435 	switch (freq) {  in wm8971_set_dai_sysclk()
441 		wm8971->sysclk = freq;  in wm8971_set_dai_sysclk()
444 	return -EINVAL;  in wm8971_set_dai_sysclk()
450 	struct snd_soc_component *component = codec_dai->component;  in wm8971_set_dai_fmt()
454 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {  in wm8971_set_dai_fmt()
461 		return -EINVAL;  in wm8971_set_dai_fmt()
465 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {  in wm8971_set_dai_fmt()
481 		return -EINVAL;  in wm8971_set_dai_fmt()
485 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {  in wm8971_set_dai_fmt()
498 		return -EINVAL;  in wm8971_set_dai_fmt()
509 	struct snd_soc_component *component = dai->component;  in wm8971_pcm_hw_params()
513 	int coeff = get_coeff(wm8971->sysclk, params_rate(params));  in wm8971_pcm_hw_params()
516 	switch (params_width(params)) {  in wm8971_pcm_hw_params()
541 	struct snd_soc_component *component = dai->component;  in wm8971_mute()
557 	regmap_update_bits(wm8971->regmap, WM8971_PWR1, 0x0180, 0x0100);  in wm8971_charge_work()
566 	switch (level) {  in wm8971_set_bias_level()
573 		flush_delayed_work(&wm8971->charge_work);  in wm8971_set_bias_level()
578 			/* charge output caps - set vmid to 5k for quick power up */  in wm8971_set_bias_level()
581 				&wm8971->charge_work, msecs_to_jiffies(1000));  in wm8971_set_bias_level()
589 		cancel_delayed_work_sync(&wm8971->charge_work);  in wm8971_set_bias_level()
612 	.name = "wm8971-hifi",
632 	INIT_DELAYED_WORK(&wm8971->charge_work, wm8971_charge_work);  in wm8971_probe()
678 	wm8971 = devm_kzalloc(&i2c->dev, sizeof(struct wm8971_priv),  in wm8971_i2c_probe()
681 		return -ENOMEM;  in wm8971_i2c_probe()
683 	wm8971->regmap = devm_regmap_init_i2c(i2c, &wm8971_regmap);  in wm8971_i2c_probe()
684 	if (IS_ERR(wm8971->regmap))  in wm8971_i2c_probe()
685 		return PTR_ERR(wm8971->regmap);  in wm8971_i2c_probe()
689 	return devm_snd_soc_register_component(&i2c->dev,  in wm8971_i2c_probe()