soc/codecs/wm8974.c

1 // SPDX-License-Identifier: GPL-2.0-only
3  * wm8974.c  --  WM8974 ALSA Soc Audio driver
5  * Copyright 2006-2009 Wolfson Microelectronics PLC.
57 static const char *wm8974_companding[] = {"Off", "NC", "u-law", "A-law" };
93 static const DECLARE_TLV_DB_SCALE(digital_tlv, -12750, 50, 1);
94 static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
95 static const DECLARE_TLV_DB_SCALE(inpga_tlv, -1200, 75, 0);
96 static const DECLARE_TLV_DB_SCALE(spk_tlv, -5700, 100, 0);
105 SOC_ENUM("Playback De-emphasis", wm8974_enum[2]),
141 SOC_SINGLE("DAC Playback Limiter Boost", WM8974_DACLIM2,  0, 15, 0),
167 SOC_SINGLE("Capture Boost(+20dB)", WM8974_ADCBOOST,  8, 1, 0),
177 SOC_DAPM_SINGLE("Line Bypass Switch", WM8974_SPKMIX, 1, 1, 0),
184 SOC_DAPM_SINGLE("Line Bypass Switch", WM8974_MONOMIX, 1, 1, 0),
189 /* Boost mixer */
217 SND_SOC_DAPM_MIXER("Boost Mixer", WM8974_POWER2, 4, 0,
234 	{"Mono Mixer", "Line Bypass Switch", "Boost Mixer"},
239 	{"Speaker Mixer", "Line Bypass Switch", "Boost Mixer"},
249 	/* Boost Mixer */
250 	{"ADC", NULL, "Boost Mixer"},
251 	{"Boost Mixer", "Aux Switch", "Aux Input"},
252 	{"Boost Mixer", NULL, "Input PGA"},
253 	{"Boost Mixer", NULL, "MICP"},
286 		pll_div->pre_div = 1;  in pll_factors()
289 		pll_div->pre_div = 0;  in pll_factors()
296 	pll_div->n = Ndiv;  in pll_factors()
311 	pll_div->k = K;  in pll_factors()
317 	struct snd_soc_component *component = codec_dai->component;  in wm8974_set_dai_pll()
354 	struct snd_soc_component *component = codec_dai->component;  in wm8974_set_dai_clkdiv()
371 		return -EINVAL;  in wm8974_set_dai_clkdiv()
411 	struct snd_soc_component *component = dai->component;  in wm8974_update_clocks()
418 	if (!priv->mclk || !priv->fs)  in wm8974_update_clocks()
421 	fs256 = 256 * priv->fs;  in wm8974_update_clocks()
423 	f = wm8974_get_mclkdiv(priv->mclk, fs256, &mclkdiv);  in wm8974_update_clocks()
425 	if (f != priv->mclk) {  in wm8974_update_clocks()
430 	wm8974_set_dai_pll(dai, 0, 0, priv->mclk, fpll);  in wm8974_update_clocks()
439 	struct snd_soc_component *component = dai->component;  in wm8974_set_dai_sysclk()
443 		return -EINVAL;  in wm8974_set_dai_sysclk()
445 	priv->mclk = freq;  in wm8974_set_dai_sysclk()
453 	struct snd_soc_component *component = codec_dai->component;  in wm8974_set_dai_fmt()
465 		return -EINVAL;  in wm8974_set_dai_fmt()
481 			return -EINVAL;  in wm8974_set_dai_fmt()
486 		return -EINVAL;  in wm8974_set_dai_fmt()
503 		return -EINVAL;  in wm8974_set_dai_fmt()
515 	struct snd_soc_component *component = dai->component;  in wm8974_pcm_hw_params()
521 	priv->fs = params_rate(params);  in wm8974_pcm_hw_params()
570 	struct snd_soc_component *component = dai->component;  in wm8974_mute()
597 			regcache_sync(dev_get_regmap(component->dev, NULL));  in wm8974_set_bias_level()
621 	struct snd_soc_component *component = dai->component;  in wm8974_startup()
625 	clk_prepare_enable(priv->mclk_in);  in wm8974_startup()
626 	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {  in wm8974_startup()
637 	struct snd_soc_component *component = dai->component;  in wm8974_shutdown()
641 	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {  in wm8974_shutdown()
645 	clk_disable_unprepare(priv->mclk_in);  in wm8974_shutdown()
666 	.name = "wm8974-hifi",
699 		dev_err(component->dev, "Failed to issue reset\n");  in wm8974_probe()
729 	priv = devm_kzalloc(&i2c->dev, sizeof(*priv), GFP_KERNEL);  in wm8974_i2c_probe()
731 		return -ENOMEM;  in wm8974_i2c_probe()
739 	priv->mclk_in = devm_clk_get(&i2c->dev, "mclk");  in wm8974_i2c_probe()
740 	if (IS_ERR(priv->mclk_in))  in wm8974_i2c_probe()
741 		return PTR_ERR(priv->mclk_in);  in wm8974_i2c_probe()
743 	ret = devm_snd_soc_register_component(&i2c->dev,  in wm8974_i2c_probe()