1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * wm8580.c  --  WM8580 and WM8581 ALSA Soc Audio driver
5  * Copyright 2008-12 Wolfson Microelectronics PLC.
14  *  Currently only the primary audio interface is supported - S/PDIF and
33 #include <sound/soc.h>
116 /* AIF control 1 (registers 9h-bh) */
127 /* AIF control 2 (registers ch-eh) */
254 static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1);
260 		(struct soc_mixer_control *)kcontrol->private_value;  in wm8580_out_vu()
263 	unsigned int reg = mc->reg;  in wm8580_out_vu()
264 	unsigned int reg2 = mc->rreg;  in wm8580_out_vu()
268 	regcache_cache_only(wm8580->regmap, true);  in wm8580_out_vu()
269 	regmap_update_bits(wm8580->regmap, reg, 0x100, 0x000);  in wm8580_out_vu()
270 	regmap_update_bits(wm8580->regmap, reg2, 0x100, 0x000);  in wm8580_out_vu()
271 	regcache_cache_only(wm8580->regmap, false);  in wm8580_out_vu()
312 SOC_SINGLE("Capture High-Pass Filter Switch", WM8580_ADC_CONTROL1, 4, 1, 0),
407 	pr_debug("wm8580: PLL %uHz->%uHz\n", source, target);  in pll_factors()
410 	 * region of 90-100MHz.  in pll_factors()
415 			pll_div->freqmode = post_table[i].freqmode;  in pll_factors()
416 			pll_div->postscale = post_table[i].postscale;  in pll_factors()
425 		return -EINVAL;  in pll_factors()
432 		pll_div->prescale = 1;  in pll_factors()
435 		pll_div->prescale = 0;  in pll_factors()
440 		return -EINVAL;  in pll_factors()
443 	pll_div->n = Ndiv;  in pll_factors()
451 	pll_div->k = K;  in pll_factors()
454 		 pll_div->n, pll_div->k, pll_div->prescale, pll_div->freqmode,  in pll_factors()
455 		 pll_div->postscale);  in pll_factors()
464 	struct snd_soc_component *component = codec_dai->component;  in wm8580_set_dai_pll()
479 		state = &wm8580->a;  in wm8580_set_dai_pll()
484 		state = &wm8580->b;  in wm8580_set_dai_pll()
489 		return -ENODEV;  in wm8580_set_dai_pll()
498 	state->in = freq_in;  in wm8580_set_dai_pll()
499 	state->out = freq_out;  in wm8580_set_dai_pll()
501 	/* Always disable the PLL - it is not safe to leave it running  in wm8580_set_dai_pll()
538 	struct snd_soc_component *component = dai->component;  in wm8580_paif_hw_params()
562 		return -EINVAL;  in wm8580_paif_hw_params()
566 	ratio = wm8580->sysclk[dai->driver->id] / params_rate(params);  in wm8580_paif_hw_params()
571 		dev_err(component->dev, "Invalid clock ratio %d/%d\n",  in wm8580_paif_hw_params()
572 			wm8580->sysclk[dai->driver->id], params_rate(params));  in wm8580_paif_hw_params()
573 		return -EINVAL;  in wm8580_paif_hw_params()
576 	dev_dbg(component->dev, "Running at %dfs with %dHz clock\n",  in wm8580_paif_hw_params()
577 		wm8580_sysclk_ratios[i], wm8580->sysclk[dai->driver->id]);  in wm8580_paif_hw_params()
579 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in wm8580_paif_hw_params()
584 			dev_dbg(component->dev, "Selecting 64x OSR\n");  in wm8580_paif_hw_params()
588 			dev_dbg(component->dev, "Selecting 128x OSR\n");  in wm8580_paif_hw_params()
595 	snd_soc_component_update_bits(component, WM8580_PAIF1 + dai->driver->id,  in wm8580_paif_hw_params()
598 	snd_soc_component_update_bits(component, WM8580_PAIF3 + dai->driver->id,  in wm8580_paif_hw_params()
606 	struct snd_soc_component *component = codec_dai->component;  in wm8580_set_paif_dai_fmt()
611 	aifa = snd_soc_component_read(component, WM8580_PAIF1 + codec_dai->driver->id);  in wm8580_set_paif_dai_fmt()
612 	aifb = snd_soc_component_read(component, WM8580_PAIF3 + codec_dai->driver->id);  in wm8580_set_paif_dai_fmt()
624 		return -EINVAL;  in wm8580_set_paif_dai_fmt()
650 		return -EINVAL;  in wm8580_set_paif_dai_fmt()
659 			return -EINVAL;  in wm8580_set_paif_dai_fmt()
670 			return -EINVAL;  in wm8580_set_paif_dai_fmt()
675 		return -EINVAL;  in wm8580_set_paif_dai_fmt()
678 	snd_soc_component_write(component, WM8580_PAIF1 + codec_dai->driver->id, aifa);  in wm8580_set_paif_dai_fmt()
679 	snd_soc_component_write(component, WM8580_PAIF3 + codec_dai->driver->id, aifb);  in wm8580_set_paif_dai_fmt()
687 	struct snd_soc_component *component = codec_dai->component;  in wm8580_set_dai_clkdiv()
712 			return -EINVAL;  in wm8580_set_dai_clkdiv()
738 			return -EINVAL;  in wm8580_set_dai_clkdiv()
744 		return -EINVAL;  in wm8580_set_dai_clkdiv()
753 	struct snd_soc_component *component = dai->component;  in wm8580_set_sysclk()
757 	switch (dai->driver->id) {  in wm8580_set_sysclk()
769 		WARN(1, "Unknown DAI driver ID\n");  in wm8580_set_sysclk()
770 		return -EINVAL;  in wm8580_set_sysclk()
775 		if (dai->driver->id != WM8580_DAI_PAIFTX)  in wm8580_set_sysclk()
776 			return -EINVAL;  in wm8580_set_sysclk()
789 		dev_err(component->dev, "Unknown clock %d\n", clk_id);  in wm8580_set_sysclk()
790 		return -EINVAL;  in wm8580_set_sysclk()
794 	wm8580->sysclk[dai->driver->id] = freq;  in wm8580_set_sysclk()
805 	struct snd_soc_component *component = codec_dai->component;  in wm8580_mute()
821 	enum snd_soc_bias_level level)  in wm8580_set_bias_level()  argument
823 	switch (level) {  in wm8580_set_bias_level()
852 	struct snd_soc_component *component = dai->component;  in wm8580_playback_startup()
855 	return snd_pcm_hw_constraint_minmax(substream->runtime,  in wm8580_playback_startup()
856 		SNDRV_PCM_HW_PARAM_CHANNELS, 1, wm8580->drvdata->num_dacs * 2);  in wm8580_playback_startup()
883 		.name = "wm8580-hifi-playback",
894 		.name = "wm8580-hifi-capture",
913 	switch (wm8580->drvdata->num_dacs) {  in wm8580_probe()
926 	ret = regulator_bulk_enable(ARRAY_SIZE(wm8580->supplies),  in wm8580_probe()
927 				    wm8580->supplies);  in wm8580_probe()
929 		dev_err(component->dev, "Failed to enable supplies: %d\n", ret);  in wm8580_probe()
936 		dev_err(component->dev, "Failed to reset component: %d\n", ret);  in wm8580_probe()
943 	regulator_bulk_disable(ARRAY_SIZE(wm8580->supplies), wm8580->supplies);  in wm8580_probe()
953 	regulator_bulk_disable(ARRAY_SIZE(wm8580->supplies), wm8580->supplies);  in wm8580_remove()
1004 	wm8580 = devm_kzalloc(&i2c->dev, sizeof(struct wm8580_priv),  in wm8580_i2c_probe()
1007 		return -ENOMEM;  in wm8580_i2c_probe()
1009 	wm8580->regmap = devm_regmap_init_i2c(i2c, &wm8580_regmap);  in wm8580_i2c_probe()
1010 	if (IS_ERR(wm8580->regmap))  in wm8580_i2c_probe()
1011 		return PTR_ERR(wm8580->regmap);  in wm8580_i2c_probe()
1013 	for (i = 0; i < ARRAY_SIZE(wm8580->supplies); i++)  in wm8580_i2c_probe()
1014 		wm8580->supplies[i].supply = wm8580_supply_names[i];  in wm8580_i2c_probe()
1016 	ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8580->supplies),  in wm8580_i2c_probe()
1017 				      wm8580->supplies);  in wm8580_i2c_probe()
1019 		dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);  in wm8580_i2c_probe()
1025 	of_id = of_match_device(wm8580_of_match, &i2c->dev);  in wm8580_i2c_probe()
1027 		wm8580->drvdata = of_id->data;  in wm8580_i2c_probe()
1029 	if (!wm8580->drvdata) {  in wm8580_i2c_probe()
1030 		dev_err(&i2c->dev, "failed to find driver data\n");  in wm8580_i2c_probe()
1031 		return -EINVAL;  in wm8580_i2c_probe()
1034 	ret = devm_snd_soc_register_component(&i2c->dev,  in wm8580_i2c_probe()