2019-06-03 04:35:35

by Cheng-Yi Chiang

[permalink] [raw]
Subject: [PATCH 4/7] ASoC: rockchip_max98090: Add dai_link for HDMI

Use two dai_links. One for HDMI and one for max98090.
With this setup, audio can play to speaker and HDMI selectively.

Signed-off-by: Cheng-Yi Chiang <[email protected]>
---
sound/soc/rockchip/rockchip_max98090.c | 82 +++++++++++++++++++-------
1 file changed, 60 insertions(+), 22 deletions(-)

diff --git a/sound/soc/rockchip/rockchip_max98090.c b/sound/soc/rockchip/rockchip_max98090.c
index 789d6f1e2b5f..2dd247670c7a 100644
--- a/sound/soc/rockchip/rockchip_max98090.c
+++ b/sound/soc/rockchip/rockchip_max98090.c
@@ -53,6 +53,7 @@ static const struct snd_soc_dapm_widget rk_dapm_widgets[] = {
SND_SOC_DAPM_MIC("Headset Mic", NULL),
SND_SOC_DAPM_MIC("Int Mic", NULL),
SND_SOC_DAPM_SPK("Speaker", NULL),
+ SND_SOC_DAPM_LINE("HDMI", NULL),
};

static const struct snd_soc_dapm_route rk_audio_map[] = {
@@ -64,6 +65,7 @@ static const struct snd_soc_dapm_route rk_audio_map[] = {
{"Headphone", NULL, "HPR"},
{"Speaker", NULL, "SPKL"},
{"Speaker", NULL, "SPKR"},
+ {"HDMI", NULL, "TX"},
};

static const struct snd_kcontrol_new rk_mc_controls[] = {
@@ -71,6 +73,7 @@ static const struct snd_kcontrol_new rk_mc_controls[] = {
SOC_DAPM_PIN_SWITCH("Headset Mic"),
SOC_DAPM_PIN_SWITCH("Int Mic"),
SOC_DAPM_PIN_SWITCH("Speaker"),
+ SOC_DAPM_PIN_SWITCH("HDMI"),
};

static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
@@ -104,33 +107,48 @@ static int rk_aif1_hw_params(struct snd_pcm_substream *substream,

ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
SND_SOC_CLOCK_OUT);
- if (ret < 0) {
- dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
+ if (ret && ret != -ENOTSUPP) {
+ dev_err(cpu_dai->dev, "Can't set cpu dai clock %d\n", ret);
return ret;
}

ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
SND_SOC_CLOCK_IN);
- if (ret < 0) {
- dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
+ if (ret && ret != -ENOTSUPP) {
+ dev_err(codec_dai->dev, "Can't set codec dai clock %d\n", ret);
return ret;
}

- return ret;
+ return 0;
}

static const struct snd_soc_ops rk_aif1_ops = {
.hw_params = rk_aif1_hw_params,
};

-static struct snd_soc_dai_link rk_dailink = {
- .name = "max98090",
- .stream_name = "Audio",
- .codec_dai_name = "HiFi",
- .ops = &rk_aif1_ops,
- /* set max98090 as slave */
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
- SND_SOC_DAIFMT_CBS_CFS,
+enum {
+ DAILINK_MAX98090,
+ DAILINK_HDMI,
+};
+
+/* max98090 and HDMI codec dai_link */
+static struct snd_soc_dai_link rk_dailinks[] = {
+ [DAILINK_MAX98090] = {
+ .name = "max98090",
+ .stream_name = "Analog",
+ .ops = &rk_aif1_ops,
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ },
+ [DAILINK_HDMI] = {
+ .name = "HDMI",
+ .stream_name = "HDMI",
+ .codec_name = "hdmi-audio-codec.3.auto",
+ .codec_dai_name = "i2s-hifi",
+ .ops = &rk_aif1_ops,
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ }
};

static int rk_98090_headset_init(struct snd_soc_component *component);
@@ -143,8 +161,8 @@ static struct snd_soc_aux_dev rk_98090_headset_dev = {
static struct snd_soc_card snd_soc_card_rk = {
.name = "ROCKCHIP-I2S",
.owner = THIS_MODULE,
- .dai_link = &rk_dailink,
- .num_links = 1,
+ .dai_link = rk_dailinks,
+ .num_links = ARRAY_SIZE(rk_dailinks),
.aux_dev = &rk_98090_headset_dev,
.num_aux_devs = 1,
.dapm_widgets = rk_dapm_widgets,
@@ -180,27 +198,47 @@ static int snd_rk_mc_probe(struct platform_device *pdev)
int ret = 0;
struct snd_soc_card *card = &snd_soc_card_rk;
struct device_node *np = pdev->dev.of_node;
+ struct device_node *np_cpu;
+ struct of_phandle_args args;

/* register the soc card */
card->dev = &pdev->dev;

- rk_dailink.codec_of_node = of_parse_phandle(np,
- "rockchip,audio-codec", 0);
- if (!rk_dailink.codec_of_node) {
+ rk_dailinks[DAILINK_MAX98090].codec_of_node =
+ of_parse_phandle(np, "rockchip,audio-codec", 0);
+ if (!rk_dailinks[DAILINK_MAX98090].codec_of_node) {
dev_err(&pdev->dev,
"Property 'rockchip,audio-codec' missing or invalid\n");
return -EINVAL;
}

- rk_dailink.cpu_of_node = of_parse_phandle(np,
- "rockchip,i2s-controller", 0);
- if (!rk_dailink.cpu_of_node) {
+ ret = of_parse_phandle_with_fixed_args(np, "rockchip,audio-codec",
+ 0, 0, &args);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "Unable to parse property 'rockchip,audio-codec'\n");
+ return ret;
+ }
+
+ ret = snd_soc_get_dai_name(
+ &args, &rk_dailinks[DAILINK_MAX98090].codec_dai_name);
+ if (ret) {
+ dev_err(&pdev->dev, "Unable to get codec_dai_name\n");
+ return ret;
+ }
+
+ np_cpu = of_parse_phandle(np, "rockchip,i2s-controller", 0);
+
+ if (!np_cpu) {
dev_err(&pdev->dev,
"Property 'rockchip,i2s-controller' missing or invalid\n");
return -EINVAL;
}

- rk_dailink.platform_of_node = rk_dailink.cpu_of_node;
+ rk_dailinks[DAILINK_MAX98090].cpu_of_node = np_cpu;
+ rk_dailinks[DAILINK_MAX98090].platform_of_node = np_cpu;
+ rk_dailinks[DAILINK_HDMI].cpu_of_node = np_cpu;
+ rk_dailinks[DAILINK_HDMI].platform_of_node = np_cpu;

rk_98090_headset_dev.codec_of_node = of_parse_phandle(np,
"rockchip,headset-codec", 0);
--
2.22.0.rc1.257.g3120a18244-goog