soc/codecs/wm8971.c

1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * wm8971.c  --  WM8971 ALSA SoC Audio driver
95 static const char *wm8971_alc_func[] = { "Off", "Right", "Left", "Stereo" };
99 static const char *wm8971_mono_mux[] = {"Stereo", "Mono (Left)",
142 	SOC_DOUBLE_R("Bypass Left Playback Volume", WM8971_LOUTM1,
159 	SOC_ENUM("Treble Cut-off", wm8971_enum[2]),
180 	SOC_ENUM("Playback De-emphasis", wm8971_enum[5]),
191 /* Left Mixer */
194 SOC_DAPM_SINGLE("Left Bypass Switch", WM8971_LOUTM1, 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),
209 SOC_DAPM_SINGLE("Left Playback Switch", WM8971_MOUTM1, 8, 1, 0),
210 SOC_DAPM_SINGLE("Left Bypass Switch", WM8971_MOUTM1, 7, 1, 0),
215 /* Left Line Mux */
223 /* Left PGA Mux */
236 	SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0,
247 	SND_SOC_DAPM_PGA("Left Out 2", WM8971_PWR2, 4, 0, NULL, 0),
249 	SND_SOC_DAPM_PGA("Left Out 1", WM8971_PWR2, 6, 0, NULL, 0),
251 	SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8971_PWR2, 8, 0),
256 	SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8971_PWR1, 3, 0),
258 	SND_SOC_DAPM_MUX("Left PGA Mux", WM8971_PWR1, 5, 0,
262 	SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0,
267 	SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0,
284 	/* left mixer */
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"},
296 	/* left out 1 */
297 	{"Left Out 1", NULL, "Left Mixer"},
298 	{"LOUT1", NULL, "Left Out 1"},
300 	/* left out 2 */
301 	{"Left Out 2", NULL, "Left Mixer"},
302 	{"LOUT2", NULL, "Left Out 2"},
313 	{"Mono Mixer", "Left Playback Switch", "Left DAC"},
314 	{"Mono Mixer", "Left Bypass Switch", "Left Line Mux"},
322 	/* Left Line Mux */
323 	{"Left Line Mux", "Line", "LINPUT1"},
324 	{"Left Line Mux", "PGA", "Left PGA Mux"},
325 	{"Left Line Mux", "Differential", "Differential Mux"},
333 	/* Left PGA Mux */
334 	{"Left PGA Mux", "Line", "LINPUT1"},
335 	{"Left PGA Mux", "Differential", "Differential Mux"},
345 	/* Left ADC Mux */
346 	{"Left ADC Mux", "Stereo", "Left PGA Mux"},
347 	{"Left ADC Mux", "Mono (Left)", "Left PGA Mux"},
348 	{"Left ADC Mux", "Digital Mono", "Left PGA Mux"},
356 	{"Left ADC", NULL, "Left ADC Mux"},
426 	return -EINVAL;  in get_coeff()
432 	struct snd_soc_component *component = codec_dai->component;  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()
461 		return -EINVAL;  in wm8971_set_dai_fmt()
481 		return -EINVAL;  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()
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()
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()