Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Rockchip machine ASoC driver for Rockchip HDMI audio
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright (C) 2021 Rockchip Electronics Co., Ltd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  * Authors: XiaoTan Luo <lxt@rock-chips.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <sound/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <sound/jack.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <sound/pcm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <sound/pcm_params.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <sound/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <sound/soc-dapm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #define DRV_NAME "rk-hdmi-sound"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #define MAX_CODECS	2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #define DEFAULT_MCLK_FS	256
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) struct rk_hdmi_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	struct snd_soc_card	card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	struct snd_soc_dai_link	dai;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	struct snd_soc_jack	hdmi_jack;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	struct snd_soc_jack_pin	hdmi_jack_pin;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	unsigned int		mclk_fs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	bool			jack_det;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) static int rk_hdmi_fill_widget_info(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 		struct snd_soc_dapm_widget *w, enum snd_soc_dapm_type id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 		void *priv, const char *wname, const char *stream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 		struct snd_kcontrol_new *wc, int numkc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 		int (*event)(struct snd_soc_dapm_widget *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 		struct snd_kcontrol *, int), unsigned short event_flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	w->id = id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	w->name = devm_kstrdup(dev, wname, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	if (!w->name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	w->sname = stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	w->reg = SND_SOC_NOPM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	w->shift = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	w->kcontrol_news = wc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	w->num_kcontrols = numkc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	w->priv = priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	w->event = event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	w->event_flags = event_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) static int rk_dailink_init(struct snd_soc_pcm_runtime *rtd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	struct snd_soc_card *card = rtd->card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	struct rk_hdmi_data *rk_data = snd_soc_card_get_drvdata(rtd->card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	struct device *dev = rtd->card->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	struct snd_soc_dapm_widget *widgets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	if (!rk_data->jack_det)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	widgets = devm_kcalloc(card->dapm.dev, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 			       sizeof(*widgets), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	if (!widgets)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	ret = rk_hdmi_fill_widget_info(card->dapm.dev, widgets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 				       snd_soc_dapm_line, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 				       rk_data->hdmi_jack_pin.pin,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 				       NULL, NULL, 0, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	ret = snd_soc_dapm_new_controls(&card->dapm, widgets, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	ret = snd_soc_dapm_new_widgets(rtd->card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	ret = snd_soc_card_jack_new(rtd->card,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 				    rk_data->hdmi_jack_pin.pin,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 				    rk_data->hdmi_jack_pin.mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 				    &rk_data->hdmi_jack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 				    &rk_data->hdmi_jack_pin, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		dev_err(dev, "Can't new HDMI Jack %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	return snd_soc_component_set_jack(codec_dai->component,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 					  &rk_data->hdmi_jack, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) static int rk_hdmi_hw_params(struct snd_pcm_substream *substream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 				struct snd_pcm_hw_params *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	struct rk_hdmi_data *rk_data = snd_soc_card_get_drvdata(rtd->card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	unsigned int mclk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	mclk = params_rate(params) * rk_data->mclk_fs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	ret = snd_soc_dai_set_sysclk(codec_dai, substream->stream, mclk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 				     SND_SOC_CLOCK_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	if (ret && ret != -ENOTSUPP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 		dev_err(codec_dai->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 			"Set codec_dai sysclk failed: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	ret = snd_soc_dai_set_sysclk(cpu_dai, substream->stream, mclk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 				     SND_SOC_CLOCK_OUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	if (ret && ret != -ENOTSUPP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 		dev_err(cpu_dai->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 			"Set cpu_dai sysclk failed: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) static const struct snd_soc_ops rk_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	.hw_params = rk_hdmi_hw_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) static unsigned int rk_hdmi_parse_daifmt(struct device_node *node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 				struct device_node *cpu,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 				char *prefix)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	struct device_node *bitclkmaster = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	struct device_node *framemaster = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	unsigned int daifmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	daifmt = snd_soc_of_parse_daifmt(node, prefix,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 					 &bitclkmaster, &framemaster);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	daifmt &= ~SND_SOC_DAIFMT_MASTER_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	if (!bitclkmaster || cpu == bitclkmaster)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		daifmt |= (!framemaster || cpu == framemaster) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 			SND_SOC_DAIFMT_CBS_CFS : SND_SOC_DAIFMT_CBS_CFM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 		daifmt |= (!framemaster || cpu == framemaster) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 			SND_SOC_DAIFMT_CBM_CFS : SND_SOC_DAIFMT_CBM_CFM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	 * If there is NULL format means that the format isn't specified, we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	 * need to set i2s format by default.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	if (!(daifmt & SND_SOC_DAIFMT_FORMAT_MASK))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 		daifmt |= SND_SOC_DAIFMT_I2S;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	of_node_put(bitclkmaster);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	of_node_put(framemaster);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	return daifmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) static int rk_hdmi_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	struct device_node *np = pdev->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	struct snd_soc_dai_link_component *codecs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	struct snd_soc_dai_link_component *platforms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	struct snd_soc_dai_link_component *cpus;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	struct of_phandle_args args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	struct device_node *cpu_np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	struct rk_hdmi_data *rk_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	int count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	int ret = 0, i = 0, idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	rk_data = devm_kzalloc(&pdev->dev, sizeof(*rk_data), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	if (!rk_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	cpus = devm_kzalloc(&pdev->dev, sizeof(*cpus), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	if (!cpus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	platforms = devm_kzalloc(&pdev->dev, sizeof(*platforms), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	if (!platforms)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	rk_data->card.dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	rk_data->dai.init = &rk_dailink_init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	rk_data->dai.ops = &rk_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	rk_data->dai.cpus = cpus;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	rk_data->dai.platforms = platforms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	rk_data->dai.num_cpus = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	rk_data->dai.num_platforms = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	/* Parse the card name from DT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	ret = snd_soc_of_parse_card_name(&rk_data->card, "rockchip,card-name");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	rk_data->dai.name = rk_data->card.name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	rk_data->dai.stream_name = rk_data->card.name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	count = of_count_phandle_with_args(np, "rockchip,codec", "#sound-dai-cells");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	if (count < 0 || count > MAX_CODECS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	/* refine codecs, remove unavailable node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	for (i = 0; i < count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 		ret = of_parse_phandle_with_args(np, "rockchip,codec", "#sound-dai-cells", i, &args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 		if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 			dev_err(&pdev->dev, "error getting codec phandle index %d\n", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 			return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 		if (of_device_is_available(args.np))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 			idx++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 		of_node_put(args.np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	if (!idx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	codecs = devm_kcalloc(&pdev->dev, idx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 			      sizeof(*codecs), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	rk_data->dai.codecs = codecs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	rk_data->dai.num_codecs = idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	for (i = 0; i < count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 		ret = of_parse_phandle_with_args(np, "rockchip,codec", "#sound-dai-cells", i, &args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 		if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 			dev_err(&pdev->dev, "error getting codec phandle index %d\n", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 			return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 		if (!of_device_is_available(args.np)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 			of_node_put(args.np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 		codecs[idx].of_node = args.np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 		ret = snd_soc_get_dai_name(&args, &codecs[idx].dai_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 		idx++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	cpu_np = of_parse_phandle(np, "rockchip,cpu", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	if (!cpu_np)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	rk_data->dai.dai_fmt = rk_hdmi_parse_daifmt(np, cpu_np, "rockchip,");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	rk_data->mclk_fs = DEFAULT_MCLK_FS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	if (!of_property_read_u32(np, "rockchip,mclk-fs", &val))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 		rk_data->mclk_fs = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	rk_data->jack_det =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 		of_property_read_bool(np, "rockchip,jack-det");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	rk_data->dai.cpus->of_node = cpu_np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	rk_data->dai.platforms->of_node = cpu_np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	of_node_put(cpu_np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	rk_data->hdmi_jack_pin.pin = rk_data->card.name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	rk_data->hdmi_jack_pin.mask = SND_JACK_LINEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	rk_data->card.num_links = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	rk_data->card.owner = THIS_MODULE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	rk_data->card.dai_link = &rk_data->dai;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	snd_soc_card_set_drvdata(&rk_data->card, rk_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	ret = devm_snd_soc_register_card(&pdev->dev, &rk_data->card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	if (ret == -EPROBE_DEFER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 		return -EPROBE_DEFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 		dev_err(&pdev->dev, "card register failed %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	platform_set_drvdata(pdev, &rk_data->card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) static const struct of_device_id rockchip_sound_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	{ .compatible = "rockchip,hdmi", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	{},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) MODULE_DEVICE_TABLE(of, rockchip_sound_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) static struct platform_driver rockchip_sound_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	.probe = rk_hdmi_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 		.name = DRV_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 		.pm = &snd_soc_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 		.of_match_table = rockchip_sound_of_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) module_platform_driver(rockchip_sound_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) MODULE_AUTHOR("XiaoTan Luo <lxt@rock-chips.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) MODULE_DESCRIPTION("Rockchip HDMI ASoC machine driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) MODULE_LICENSE("GPL v2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) MODULE_ALIAS("platform:" DRV_NAME);