3 // rk3328 ALSA SoC Audio driver
56 static int rk3328_codec_reset(struct rk3328_codec_priv *rk3328)  in rk3328_codec_reset()  argument
58 	regmap_write(rk3328->regmap, CODEC_RESET, 0x00);  in rk3328_codec_reset()
60 	regmap_write(rk3328->regmap, CODEC_RESET, 0x03);  in rk3328_codec_reset()
67 	struct rk3328_codec_priv *rk3328 =  in rk3328_set_dai_fmt()  local
82 	regmap_update_bits(rk3328->regmap, DAC_INIT_CTRL1,  in rk3328_set_dai_fmt()
103 	regmap_update_bits(rk3328->regmap, DAC_INIT_CTRL2,  in rk3328_set_dai_fmt()
111 	struct rk3328_codec_priv *rk3328 =  in rk3328_mute_stream()  local
120 	regmap_update_bits(rk3328->regmap, HPOUT_CTRL,  in rk3328_mute_stream()
126 static int rk3328_codec_power_on(struct rk3328_codec_priv *rk3328, int wait_ms)  in rk3328_codec_power_on()  argument
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()
139 static int rk3328_codec_power_off(struct rk3328_codec_priv *rk3328, int wait_ms)  in rk3328_codec_power_off()  argument
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()
181 static int rk3328_codec_open_playback(struct rk3328_codec_priv *rk3328)  in rk3328_codec_open_playback()  argument
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()
235 static int rk3328_codec_close_playback(struct rk3328_codec_priv *rk3328)  in rk3328_codec_close_playback()  argument
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()
255 	rk3328_codec_reset(rk3328);  in rk3328_codec_close_playback()
257 	regmap_update_bits(rk3328->regmap, DAC_PRECHARGE_CTRL,  in rk3328_codec_close_playback()
268 	struct rk3328_codec_priv *rk3328 =  in rk3328_hw_params()  local
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()
300 	struct rk3328_codec_priv *rk3328 =  in rk3328_pcm_startup()  local
303 	return rk3328_codec_open_playback(rk3328);  in rk3328_pcm_startup()
309 	struct rk3328_codec_priv *rk3328 =  in rk3328_pcm_shutdown()  local
312 	rk3328_codec_close_playback(rk3328);  in rk3328_pcm_shutdown()
326 		.name = "rk3328-hifi",
354 	struct rk3328_codec_priv *rk3328 =  in rk3328_codec_probe()  local
357 	rk3328_codec_reset(rk3328);  in rk3328_codec_probe()
358 	rk3328_codec_power_on(rk3328, 0);  in rk3328_codec_probe()
365 	struct rk3328_codec_priv *rk3328 =  in rk3328_codec_remove()  local
368 	rk3328_codec_close_playback(rk3328);  in rk3328_codec_remove()
369 	rk3328_codec_power_off(rk3328, 0);  in rk3328_codec_remove()
425 	struct rk3328_codec_priv *rk3328;  in rk3328_platform_probe()  local
430 	rk3328 = devm_kzalloc(&pdev->dev, sizeof(*rk3328), GFP_KERNEL);  in rk3328_platform_probe()
431 	if (!rk3328)  in rk3328_platform_probe()
445 				   &rk3328->spk_depop_time);  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()
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()
476 		ret = PTR_ERR(rk3328->pclk);  in rk3328_platform_probe()
480 	ret = clk_prepare_enable(rk3328->pclk);  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()
499 	platform_set_drvdata(pdev, 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",
533 MODULE_DESCRIPTION("ASoC rk3328 codec driver");