1 // SPDX-License-Identifier: GPL-2.0
22  * 0: -39dB
58 	regmap_write(rk3328->regmap, CODEC_RESET, 0x00);  in rk3328_codec_reset()
60 	regmap_write(rk3328->regmap, CODEC_RESET, 0x03);  in rk3328_codec_reset()
68 		snd_soc_component_get_drvdata(dai->component);  in rk3328_set_dai_fmt()
79 		return -EINVAL;  in rk3328_set_dai_fmt()
82 	regmap_update_bits(rk3328->regmap, DAC_INIT_CTRL1,  in rk3328_set_dai_fmt()
100 		return -EINVAL;  in rk3328_set_dai_fmt()
103 	regmap_update_bits(rk3328->regmap, DAC_INIT_CTRL2,  in rk3328_set_dai_fmt()
112 		snd_soc_component_get_drvdata(dai->component);  in rk3328_mute_stream()
120 	regmap_update_bits(rk3328->regmap, HPOUT_CTRL,  in rk3328_mute_stream()
128 	regmap_update_bits(rk3328->regmap, DAC_PRECHARGE_CTRL,  in rk3328_codec_power_on()
131 	regmap_update_bits(rk3328->regmap, DAC_PRECHARGE_CTRL,  in rk3328_codec_power_on()
141 	regmap_update_bits(rk3328->regmap, DAC_PRECHARGE_CTRL,  in rk3328_codec_power_off()
144 	regmap_update_bits(rk3328->regmap, DAC_PRECHARGE_CTRL,  in rk3328_codec_power_off()
185 	regmap_update_bits(rk3328->regmap, DAC_PRECHARGE_CTRL,  in rk3328_codec_open_playback()
190 		regmap_update_bits(rk3328->regmap,  in rk3328_codec_open_playback()
197 	msleep(rk3328->spk_depop_time);  in rk3328_codec_open_playback()
198 	gpiod_set_value(rk3328->mute, 0);  in rk3328_codec_open_playback()
200 	regmap_update_bits(rk3328->regmap, HPOUTL_GAIN_CTRL,  in rk3328_codec_open_playback()
202 	regmap_update_bits(rk3328->regmap, HPOUTR_GAIN_CTRL,  in rk3328_codec_open_playback()
239 	gpiod_set_value(rk3328->mute, 1);  in rk3328_codec_close_playback()
241 	regmap_update_bits(rk3328->regmap, HPOUTL_GAIN_CTRL,  in rk3328_codec_close_playback()
243 	regmap_update_bits(rk3328->regmap, HPOUTR_GAIN_CTRL,  in rk3328_codec_close_playback()
247 		regmap_update_bits(rk3328->regmap,  in rk3328_codec_close_playback()
254 	/* Workaround for silence when changed Fs 48 -> 44.1kHz */  in rk3328_codec_close_playback()
257 	regmap_update_bits(rk3328->regmap, DAC_PRECHARGE_CTRL,  in rk3328_codec_close_playback()
269 		snd_soc_component_get_drvdata(dai->component);  in rk3328_hw_params()
286 		return -EINVAL;  in rk3328_hw_params()
288 	regmap_update_bits(rk3328->regmap, DAC_INIT_CTRL2, DAC_VDL_MASK, val);  in rk3328_hw_params()
291 	regmap_update_bits(rk3328->regmap, DAC_INIT_CTRL3,  in rk3328_hw_params()
301 		snd_soc_component_get_drvdata(dai->component);  in rk3328_pcm_startup()
310 		snd_soc_component_get_drvdata(dai->component);  in rk3328_pcm_shutdown()
320 	.shutdown = rk3328_pcm_shutdown,
326 		.name = "rk3328-hifi",
424 	struct device_node *rk3328_np = pdev->dev.of_node;  in rk3328_platform_probe()
430 	rk3328 = devm_kzalloc(&pdev->dev, sizeof(*rk3328), GFP_KERNEL);  in rk3328_platform_probe()
432 		return -ENOMEM;  in rk3328_platform_probe()
437 		dev_err(&pdev->dev, "missing 'rockchip,grf'\n");  in rk3328_platform_probe()
444 	ret = of_property_read_u32(rk3328_np, "spk-depop-time-ms",  in rk3328_platform_probe()
445 				   &rk3328->spk_depop_time);  in rk3328_platform_probe()
447 		dev_info(&pdev->dev, "spk_depop_time use default value.\n");  in rk3328_platform_probe()
448 		rk3328->spk_depop_time = 200;  in rk3328_platform_probe()
451 	rk3328->mute = gpiod_get_optional(&pdev->dev, "mute", GPIOD_OUT_HIGH);  in rk3328_platform_probe()
452 	if (IS_ERR(rk3328->mute))  in rk3328_platform_probe()
453 		return PTR_ERR(rk3328->mute);  in rk3328_platform_probe()
459 	if (!rk3328->mute && of_machine_is_compatible("pine64,rock64")) {  in rk3328_platform_probe()
460 		dev_warn(&pdev->dev, "assuming implicit control of GPIO_MUTE; update devicetree if possible\n");  in rk3328_platform_probe()
464 	rk3328->mclk = devm_clk_get(&pdev->dev, "mclk");  in rk3328_platform_probe()
465 	if (IS_ERR(rk3328->mclk))  in rk3328_platform_probe()
466 		return PTR_ERR(rk3328->mclk);  in rk3328_platform_probe()
468 	ret = clk_prepare_enable(rk3328->mclk);  in rk3328_platform_probe()
471 	clk_set_rate(rk3328->mclk, INITIAL_FREQ);  in rk3328_platform_probe()
473 	rk3328->pclk = devm_clk_get(&pdev->dev, "pclk");  in rk3328_platform_probe()
474 	if (IS_ERR(rk3328->pclk)) {  in rk3328_platform_probe()
475 		dev_err(&pdev->dev, "can't get acodec pclk\n");  in rk3328_platform_probe()
476 		ret = PTR_ERR(rk3328->pclk);  in rk3328_platform_probe()
480 	ret = clk_prepare_enable(rk3328->pclk);  in rk3328_platform_probe()
482 		dev_err(&pdev->dev, "failed to enable acodec pclk\n");  in rk3328_platform_probe()
492 	rk3328->regmap = devm_regmap_init_mmio(&pdev->dev, base,  in rk3328_platform_probe()
494 	if (IS_ERR(rk3328->regmap)) {  in rk3328_platform_probe()
495 		ret = PTR_ERR(rk3328->regmap);  in rk3328_platform_probe()
501 	ret = devm_snd_soc_register_component(&pdev->dev, &soc_codec_rk3328,  in rk3328_platform_probe()
510 	clk_disable_unprepare(rk3328->pclk);  in rk3328_platform_probe()
513 	clk_disable_unprepare(rk3328->mclk);  in rk3328_platform_probe()
518 		{ .compatible = "rockchip,rk3328-codec", },
525 		   .name = "rk3328-codec",
532 MODULE_AUTHOR("Sugar Zhang <sugar.zhang@rock-chips.com>");