[PATCH v4 4/5] ASoC: rockchip_max98090: Add dai_link for HDMI
From: Cheng-Yi Chiang
Date: Tue Jul 16 2019 - 07:58:09 EST
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 <cychiang@xxxxxxxxxxxx>
---
sound/soc/rockchip/Kconfig | 3 +-
sound/soc/rockchip/rockchip_max98090.c | 96 ++++++++++++++++++++------
2 files changed, 75 insertions(+), 24 deletions(-)
diff --git a/sound/soc/rockchip/Kconfig b/sound/soc/rockchip/Kconfig
index b43657e6e655..d610b553ea3b 100644
--- a/sound/soc/rockchip/Kconfig
+++ b/sound/soc/rockchip/Kconfig
@@ -40,9 +40,10 @@ config SND_SOC_ROCKCHIP_MAX98090
select SND_SOC_ROCKCHIP_I2S
select SND_SOC_MAX98090
select SND_SOC_TS3A227E
+ select SND_SOC_HDMI_CODEC
help
Say Y or M here if you want to add support for SoC audio on Rockchip
- boards using the MAX98090 codec, such as Veyron.
+ boards using the MAX98090 codec and HDMI codec, such as Veyron.
config SND_SOC_ROCKCHIP_RT5645
tristate "ASoC support for Rockchip boards using a RT5645/RT5650 codec"
diff --git a/sound/soc/rockchip/rockchip_max98090.c b/sound/soc/rockchip/rockchip_max98090.c
index c5fc24675a33..c82948e383da 100644
--- a/sound/soc/rockchip/rockchip_max98090.c
+++ b/sound/soc/rockchip/rockchip_max98090.c
@@ -11,6 +11,7 @@
#include <linux/gpio.h>
#include <linux/of_gpio.h>
#include <sound/core.h>
+#include <sound/hdmi-codec.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -41,6 +42,7 @@ 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[] = {
@@ -52,6 +54,7 @@ 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[] = {
@@ -59,6 +62,7 @@ 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,
@@ -92,38 +96,63 @@ 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) {
+ dev_err(cpu_dai->dev, "Can't set cpu dai clock %d\n", ret);
return ret;
}
+ /* HDMI codec dai does not need to set sysclk. */
+ if (!strcmp(rtd->dai_link->name, "HDMI"))
+ return 0;
+
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) {
+ 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,
};
-SND_SOC_DAILINK_DEFS(hifi,
+SND_SOC_DAILINK_DEFS(analog,
DAILINK_COMP_ARRAY(COMP_EMPTY()),
DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")),
DAILINK_COMP_ARRAY(COMP_EMPTY()));
-static struct snd_soc_dai_link rk_dailink = {
- .name = "max98090",
- .stream_name = "Audio",
- .ops = &rk_aif1_ops,
- /* set max98090 as slave */
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
- SND_SOC_DAIFMT_CBS_CFS,
- SND_SOC_DAILINK_REG(hifi),
+SND_SOC_DAILINK_DEFS(hdmi,
+ DAILINK_COMP_ARRAY(COMP_EMPTY()),
+ DAILINK_COMP_ARRAY(COMP_CODEC(HDMI_CODEC_DRV_NAME, "i2s-hifi")),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+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,
+ /* set max98090 as slave */
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ SND_SOC_DAILINK_REG(analog),
+ },
+ [DAILINK_HDMI] = {
+ .name = "HDMI",
+ .stream_name = "HDMI",
+ .ops = &rk_aif1_ops,
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ SND_SOC_DAILINK_REG(hdmi),
+ }
};
static int rk_98090_headset_init(struct snd_soc_component *component);
@@ -136,8 +165,8 @@ 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,
@@ -173,27 +202,48 @@ 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_analog;
+ struct device_node *np_cpu;
+ struct of_phandle_args args;
/* register the soc card */
card->dev = &pdev->dev;
- rk_dailink.codecs->of_node = of_parse_phandle(np,
- "rockchip,audio-codec", 0);
- if (!rk_dailink.codecs->of_node) {
+ np_analog = of_parse_phandle(np, "rockchip,audio-codec", 0);
+ if (!np_analog) {
dev_err(&pdev->dev,
"Property 'rockchip,audio-codec' missing or invalid\n");
return -EINVAL;
}
+ rk_dailinks[DAILINK_MAX98090].codecs->of_node = np_analog;
+
+ 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].codecs->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);
- rk_dailink.cpus->of_node = of_parse_phandle(np,
- "rockchip,i2s-controller", 0);
- if (!rk_dailink.cpus->of_node) {
+ if (!np_cpu) {
dev_err(&pdev->dev,
"Property 'rockchip,i2s-controller' missing or invalid\n");
return -EINVAL;
}
- rk_dailink.platforms->of_node = rk_dailink.cpus->of_node;
+ rk_dailinks[DAILINK_MAX98090].cpus->of_node = np_cpu;
+ rk_dailinks[DAILINK_MAX98090].platforms->of_node = np_cpu;
+ rk_dailinks[DAILINK_HDMI].cpus->of_node = np_cpu;
+ rk_dailinks[DAILINK_HDMI].platforms->of_node = np_cpu;
rk_98090_headset_dev.codec_of_node = of_parse_phandle(np,
"rockchip,headset-codec", 0);
--
2.22.0.510.g264f2c817a-goog