1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * This driver supports the digital controls for the internal codec
6  * (C) Copyright 2010-2016
9  * Mylène Josserand <mylene.josserand@free-electrons.com>
23 #include <sound/soc-dapm.h>
114 	regcache_cache_only(scodec->regmap, false);  in sun8i_codec_runtime_resume()
116 	ret = regcache_sync(scodec->regmap);  in sun8i_codec_runtime_resume()
129 	regcache_cache_only(scodec->regmap, true);  in sun8i_codec_runtime_suspend()
130 	regcache_mark_dirty(scodec->regmap);  in sun8i_codec_runtime_suspend()
164 		return -EINVAL;  in sun8i_codec_get_hw_rate()
175 	case SND_SOC_DAIFMT_CBS_CFS: /* Codec slave, DAI master */  in sun8i_set_fmt()
178 	case SND_SOC_DAIFMT_CBM_CFM: /* Codec Master, DAI slave */  in sun8i_set_fmt()
182 		return -EINVAL;  in sun8i_set_fmt()
184 	regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,  in sun8i_set_fmt()
197 		return -EINVAL;  in sun8i_set_fmt()
199 	regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,  in sun8i_set_fmt()
204 	 * It appears that the DAI and the codec in the A33 SoC don't  in sun8i_set_fmt()
210 	 * that the codec probably gets it backward, and we have to  in sun8i_set_fmt()
213 	value ^= scodec->quirks->lrck_inversion;  in sun8i_set_fmt()
214 	regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,  in sun8i_set_fmt()
234 		return -EINVAL;  in sun8i_set_fmt()
236 	regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,  in sun8i_set_fmt()
269 	unsigned long clk_rate = clk_get_rate(scodec->clk_module);  in sun8i_codec_get_bclk_div()
276 		unsigned int diff = abs(bdiv->div - div);  in sun8i_codec_get_bclk_div()
280 			best_val = bdiv->val;  in sun8i_codec_get_bclk_div()
293 		return -EINVAL;  in sun8i_codec_get_lrck_div()
295 	return ilog2(div) - 4;  in sun8i_codec_get_lrck_div()
308 	 * codec to handle this type of sample resolution.  in sun8i_codec_hw_params()
310 	regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,  in sun8i_codec_hw_params()
315 	regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,  in sun8i_codec_hw_params()
324 	regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,  in sun8i_codec_hw_params()
332 	regmap_update_bits(scodec->regmap, SUN8I_SYS_SR_CTRL,  in sun8i_codec_hw_params()
358 	SOC_DAPM_DOUBLE("AIF2 Digital ADC Capture Switch",
366 	SOC_DAPM_DOUBLE("AIF2 Inv Digital ADC Capture Switch",
391 	SOC_DAPM_DOUBLE("AIF2 Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC,
474 	/* ADC Inputs (connected to analog codec DAPM context) */
478 	/* DAC Outputs (connected to analog codec DAPM context) */
569 	/* Legacy ADC Inputs (connected to analog codec DAPM context) */
573 	/* Legacy DAC Outputs (connected to analog codec DAPM context) */
595 	if (scodec->quirks->legacy_widgets) {  in sun8i_codec_component_probe()
613 	regmap_update_bits(scodec->regmap, SUN8I_SYSCLK_CTL,  in sun8i_codec_component_probe()
620 	regmap_update_bits(scodec->regmap, SUN8I_SYSCLK_CTL,  in sun8i_codec_component_probe()
682 	scodec = devm_kzalloc(&pdev->dev, sizeof(*scodec), GFP_KERNEL);  in sun8i_codec_probe()
684 		return -ENOMEM;  in sun8i_codec_probe()
686 	scodec->clk_module = devm_clk_get(&pdev->dev, "mod");  in sun8i_codec_probe()
687 	if (IS_ERR(scodec->clk_module)) {  in sun8i_codec_probe()
688 		dev_err(&pdev->dev, "Failed to get the module clock\n");  in sun8i_codec_probe()
689 		return PTR_ERR(scodec->clk_module);  in sun8i_codec_probe()
694 		dev_err(&pdev->dev, "Failed to map the registers\n");  in sun8i_codec_probe()
698 	scodec->regmap = devm_regmap_init_mmio_clk(&pdev->dev, "bus", base,  in sun8i_codec_probe()
700 	if (IS_ERR(scodec->regmap)) {  in sun8i_codec_probe()
701 		dev_err(&pdev->dev, "Failed to create our regmap\n");  in sun8i_codec_probe()
702 		return PTR_ERR(scodec->regmap);  in sun8i_codec_probe()
705 	scodec->quirks = of_device_get_match_data(&pdev->dev);  in sun8i_codec_probe()
709 	pm_runtime_enable(&pdev->dev);  in sun8i_codec_probe()
710 	if (!pm_runtime_enabled(&pdev->dev)) {  in sun8i_codec_probe()
711 		ret = sun8i_codec_runtime_resume(&pdev->dev);  in sun8i_codec_probe()
716 	ret = devm_snd_soc_register_component(&pdev->dev, &sun8i_soc_component,  in sun8i_codec_probe()
719 		dev_err(&pdev->dev, "Failed to register codec\n");  in sun8i_codec_probe()
726 	if (!pm_runtime_status_suspended(&pdev->dev))  in sun8i_codec_probe()
727 		sun8i_codec_runtime_suspend(&pdev->dev);  in sun8i_codec_probe()
730 	pm_runtime_disable(&pdev->dev);  in sun8i_codec_probe()
737 	pm_runtime_disable(&pdev->dev);  in sun8i_codec_remove()
738 	if (!pm_runtime_status_suspended(&pdev->dev))  in sun8i_codec_remove()
739 		sun8i_codec_runtime_suspend(&pdev->dev);  in sun8i_codec_remove()
753 	{ .compatible = "allwinner,sun8i-a33-codec", .data = &sun8i_a33_quirks },
754 	{ .compatible = "allwinner,sun50i-a64-codec", .data = &sun50i_a64_quirks },
766 		.name = "sun8i-codec",
775 MODULE_DESCRIPTION("Allwinner A33 (sun8i) codec driver");
776 MODULE_AUTHOR("Mylène Josserand <mylene.josserand@free-electrons.com>");
778 MODULE_ALIAS("platform:sun8i-codec");