1 // SPDX-License-Identifier: GPL-2.0
3 // Ingenic JZ4770 CODEC driver
17 #include <sound/soc-dai.h>
18 #include <sound/soc-dapm.h>
149 #define REG_IMR_RDO_MASK		BIT(2)
158 #define REG_IFR_RDO			BIT(2)
177 /* codec private data */
185 static int jz4770_codec_set_bias_level(struct snd_soc_component *codec,  in jz4770_codec_set_bias_level()  argument
188 	struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec);  in jz4770_codec_set_bias_level()
189 	struct regmap *regmap = jz_codec->regmap;  in jz4770_codec_set_bias_level()
216 	struct snd_soc_component *codec = dai->component;  in jz4770_codec_startup()  local
217 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(codec);  in jz4770_codec_startup()
220 	 * SYSCLK output from the codec to the AIC is required to keep the  in jz4770_codec_startup()
224 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in jz4770_codec_startup()
233 	struct snd_soc_component *codec = dai->component;  in jz4770_codec_shutdown()  local
234 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(codec);  in jz4770_codec_shutdown()
236 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in jz4770_codec_shutdown()
244 	struct snd_soc_component *codec = dai->component;  in jz4770_codec_pcm_trigger()  local
251 		if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)  in jz4770_codec_pcm_trigger()
252 			snd_soc_component_force_bias_level(codec,  in jz4770_codec_pcm_trigger()
261 		ret = -EINVAL;  in jz4770_codec_pcm_trigger()
269 	struct snd_soc_component *codec = dai->component;  in jz4770_codec_mute_stream()  local
270 	struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec);  in jz4770_codec_mute_stream()
275 	change = snd_soc_component_update_bits(codec, JZ4770_CODEC_REG_CR_DAC,  in jz4770_codec_mute_stream()
279 		regmap_read(jz_codec->regmap, JZ4770_CODEC_REG_CR_DAC, &val);  in jz4770_codec_mute_stream()
284 		err = regmap_read_poll_timeout(jz_codec->regmap,  in jz4770_codec_mute_stream()
289 			dev_err(jz_codec->dev,  in jz4770_codec_mute_stream()
295 		regmap_update_bits(jz_codec->regmap, JZ4770_CODEC_REG_IFR,  in jz4770_codec_mute_stream()
303 static const DECLARE_TLV_DB_MINMAX_MUTE(dac_tlv, -3100, 0);
305 static const DECLARE_TLV_DB_MINMAX(out_tlv, -2500, 600);
306 static const DECLARE_TLV_DB_SCALE(linein_tlv, -2500, 100, 0);
364 	struct snd_soc_component *codec = snd_soc_dapm_to_component(w->dapm);  in hpout_event()  local
365 	struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec);  in hpout_event()
371 		/* set cap-less, unmute HP */  in hpout_event()
372 		regmap_update_bits(jz_codec->regmap, JZ4770_CODEC_REG_CR_HP,  in hpout_event()
377 		/* wait for ramp-up complete (RUP) */  in hpout_event()
378 		err = regmap_read_poll_timeout(jz_codec->regmap,  in hpout_event()
383 			dev_err(jz_codec->dev, "RUP timeout: %d", err);  in hpout_event()
388 		regmap_update_bits(jz_codec->regmap, JZ4770_CODEC_REG_IFR,  in hpout_event()
394 		/* set cap-couple, mute HP */  in hpout_event()
395 		regmap_update_bits(jz_codec->regmap, JZ4770_CODEC_REG_CR_HP,  in hpout_event()
399 		err = regmap_read_poll_timeout(jz_codec->regmap,  in hpout_event()
404 			dev_err(jz_codec->dev, "RDO timeout: %d", err);  in hpout_event()
409 		regmap_update_bits(jz_codec->regmap, JZ4770_CODEC_REG_IFR,  in hpout_event()
428 	"PCM", "Line In", "Mic 1", "Mic 2"
430 static const unsigned int jz4770_codec_hp_values[] = { 3, 2, 0, 1 };
450 	"Line In", "Mic 1", "Mic 2"
452 static const unsigned int jz4770_codec_cap_values[] = { 2, 0, 1 };
476 	SND_SOC_DAPM_PGA("Line Out Switch 2", JZ4770_CODEC_REG_CR_LO,
491 	SND_SOC_DAPM_PGA("Mic 2", JZ4770_CODEC_REG_CR_MIC,
542 	{ "Mic 2", NULL, "MIC2P" },
544 	{ "Mic 2", NULL, "Mic Diff" },
550 	{ "Mic", "Stereo Capture Switch", "Mic 2" },
552 	{ "Headphones Source", "Mic 2", "Mic" },
554 	{ "Capture Source", "Mic 2", "Mic" },
557 	{ "Headphones Source", "Mic 2", "Mic 2" },
564 	{ "Capture Source", "Mic 2", "Mic 2" },
575 	{ "Line Out Switch 2", NULL, "Line Out" },
577 	{ "LOUT", NULL, "Line Out Switch 2"},
578 	{ "ROUT", NULL, "Line Out Switch 2"},
586 static void jz4770_codec_codec_init_regs(struct snd_soc_component *codec)  in jz4770_codec_codec_init_regs()  argument
588 	struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec);  in jz4770_codec_codec_init_regs()
589 	struct regmap *regmap = jz_codec->regmap;  in jz4770_codec_codec_init_regs()
649 	/* default to cap-less mode(0) */  in jz4770_codec_codec_init_regs()
661 static int jz4770_codec_codec_probe(struct snd_soc_component *codec)  in jz4770_codec_codec_probe()  argument
663 	struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec);  in jz4770_codec_codec_probe()
665 	clk_prepare_enable(jz_codec->clk);  in jz4770_codec_codec_probe()
667 	jz4770_codec_codec_init_regs(codec);  in jz4770_codec_codec_probe()
672 static void jz4770_codec_codec_remove(struct snd_soc_component *codec)  in jz4770_codec_codec_remove()  argument
674 	struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec);  in jz4770_codec_codec_remove()
676 	clk_disable_unprepare(jz_codec->clk);  in jz4770_codec_codec_remove()
703 	struct jz_codec *codec = snd_soc_component_get_drvdata(dai->component);  in jz4770_codec_hw_params()  local
714 		bit_width = 2;  in jz4770_codec_hw_params()
720 		return -EINVAL;  in jz4770_codec_hw_params()
729 		return -EINVAL;  in jz4770_codec_hw_params()
731 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in jz4770_codec_hw_params()
732 		regmap_update_bits(codec->regmap, JZ4770_CODEC_REG_AICR_DAC,  in jz4770_codec_hw_params()
735 		regmap_update_bits(codec->regmap, JZ4770_CODEC_REG_FCR_DAC,  in jz4770_codec_hw_params()
739 		regmap_update_bits(codec->regmap, JZ4770_CODEC_REG_AICR_ADC,  in jz4770_codec_hw_params()
742 		regmap_update_bits(codec->regmap, JZ4770_CODEC_REG_FCR_ADC,  in jz4770_codec_hw_params()
765 	.name = "jz4770-hifi",
768 		.channels_min = 2,
769 		.channels_max = 2,
775 		.channels_min = 2,
776 		.channels_max = 2,
811 static int jz4770_codec_io_wait(struct jz_codec *codec)  in jz4770_codec_io_wait()  argument
815 	return readl_poll_timeout(codec->base + ICDC_RGADW_OFFSET, reg,  in jz4770_codec_io_wait()
823 	struct jz_codec *codec = context;  in jz4770_codec_reg_read()  local
828 	ret = jz4770_codec_io_wait(codec);  in jz4770_codec_reg_read()
832 	tmp = readl(codec->base + ICDC_RGADW_OFFSET);  in jz4770_codec_reg_read()
835 	writel(tmp, codec->base + ICDC_RGADW_OFFSET);  in jz4770_codec_reg_read()
839 		*val = readl(codec->base + ICDC_RGDATA_OFFSET) &  in jz4770_codec_reg_read()
848 	struct jz_codec *codec = context;  in jz4770_codec_reg_write()  local
851 	ret = jz4770_codec_io_wait(codec);  in jz4770_codec_reg_write()
856 	       codec->base + ICDC_RGADW_OFFSET);  in jz4770_codec_reg_write()
858 	ret = jz4770_codec_io_wait(codec);  in jz4770_codec_reg_write()
892 	struct device *dev = &pdev->dev;  in jz4770_codec_probe()
893 	struct jz_codec *codec;  in jz4770_codec_probe()  local
896 	codec = devm_kzalloc(dev, sizeof(*codec), GFP_KERNEL);  in jz4770_codec_probe()
897 	if (!codec)  in jz4770_codec_probe()
898 		return -ENOMEM;  in jz4770_codec_probe()
900 	codec->dev = dev;  in jz4770_codec_probe()
902 	codec->base = devm_platform_ioremap_resource(pdev, 0);  in jz4770_codec_probe()
903 	if (IS_ERR(codec->base)) {  in jz4770_codec_probe()
904 		ret = PTR_ERR(codec->base);  in jz4770_codec_probe()
909 	codec->regmap = devm_regmap_init(dev, NULL, codec,  in jz4770_codec_probe()
911 	if (IS_ERR(codec->regmap))  in jz4770_codec_probe()
912 		return PTR_ERR(codec->regmap);  in jz4770_codec_probe()
914 	codec->clk = devm_clk_get(dev, "aic");  in jz4770_codec_probe()
915 	if (IS_ERR(codec->clk))  in jz4770_codec_probe()
916 		return PTR_ERR(codec->clk);  in jz4770_codec_probe()
918 	platform_set_drvdata(pdev, codec);  in jz4770_codec_probe()
923 		dev_err(dev, "Failed to register codec: %d\n", ret);  in jz4770_codec_probe()
931 	{ .compatible = "ingenic,jz4770-codec", },
939 		.name		= "jz4770-codec",
945 MODULE_DESCRIPTION("JZ4770 SoC internal codec driver");