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tc358840: Audio Capture Stereo on HDMI-In-B to I2S1 via separate cable
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Note: it is necessary to export&unexport some GPIOs after boot:
echo 8 > /sys/class/gpio/export #LRC
echo 9 > /sys/class/gpio/export #Data in
echo 11 > /sys/class/gpio/export #SCLK
echo 8 > /sys/class/gpio/unexport
echo 9 > /sys/class/gpio/unexport
echo 11 > /sys/class/gpio/unexport
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Tobias Kammacher committed Nov 15, 2016
1 parent 244069e commit 9150157
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140 changes: 140 additions & 0 deletions arch/arm64/boot/dts/tegra210-jetson-tx1-p2597-2180-a01-devkit.dts
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Expand Up @@ -328,4 +328,144 @@
regulator-always-on;
};
};

tegra_axbar: ahub {
status = "okay";

tegra_i2s4: i2s@702d1300 {
status = "okay";
};
};

sound_card: sound {
compatible = "nvidia,tegra-audio-t210ref-mobile-rt565x";
nvidia,model = "tegra-snd-t210ref-mobile-rt565x";

nvidia,num-codec-link = <5>;

nvidia,audio-routing =
"x Headphone Jack", "x HPO L Playback",
"x Headphone Jack", "x HPO R Playback",
"x MICBIAS1", "x Mic Jack",
"x IN1P", "x Mic Jack",
"x Mic Det Power", "x Mic Jack",
"x Int Spk", "x SPO Playback",
"x DMIC L1", "x Int Mic",
"x DMIC L2", "x Int Mic",
"x DMIC R1", "x Int Mic",
"x DMIC R2", "x Int Mic",
"x Headphone", "x OUT",
"x IN", "x Mic",
"y Headphone", "y OUT",
"y IN", "y Mic",
"l IN", "l OUT",
"s Headphone", "s OUT",
"s IN", "s Mic";

nvidia,xbar = <&tegra_axbar>;

/* The codec-dai here is initialized to dummy and will be */
/* replaced with rt565x codec-dai on detecting super-module */
nvidia,dai-link-1 {
link-name = "rt565x-playback";
cpu-dai = <&tegra_i2s1>;
codec-dai = <&spdif_dit4>;
cpu-dai-name = "I2S1";
codec-dai-name = "dit-hifi";
format = "i2s";
// bitclock-slave;
bitclock-master;
// frame-slave;
frame-master;
bitclock-noninversion;
frame-noninversion;
// bit-format = "s16_le";
bit-format = "s32_le";
// bclk_ratio = <0>;
bclk_ratio = <0>;
srate = <48000>;
num-channel = <2>;
ignore_suspend;
name-prefix = "x";
};

nvidia,dai-link-2 {
link-name = "spdif-dit-1";
cpu-dai = <&tegra_i2s2>;
codec-dai = <&spdif_dit1>;
cpu-dai-name = "I2S2";
codec-dai-name = "dit-hifi";
format = "dsp_a";
bitclock-slave;
frame-slave;
bitclock-inversion;
frame-inversion;
bit-format = "s16_le";
bclk_ratio = <4>;
srate = <8000>;
num-channel = <1>;
ignore_suspend;
name-prefix = "y";
};

nvidia,dai-link-3 {
link-name = "spdif-dit-2";
cpu-dai = <&tegra_dmic3>;
codec-dai = <&spdif_dit2>;
cpu-dai-name = "DMIC3";
codec-dai-name = "dit-hifi";
format = "i2s";
bit-format = "s16_le";
srate = <48000>;
num-channel = <2>;
ignore_suspend;
name-prefix = "z";
};

nvidia,dai-link-4 {
link-name = "spdif-dit-3";
cpu-dai = <&tegra_i2s3>;
codec-dai = <&spdif_dit3>;
cpu-dai-name = "I2S3";
codec-dai-name = "dit-hifi";
format = "i2s";
bitclock-slave;
frame-slave;
bitclock-noninversion;
frame-noninversion;
bit-format = "s16_le";
bclk_ratio = <0>;
srate = <48000>;
num-channel = <2>;
ignore_suspend;
name-prefix = "l";
};

nvidia,dai-link-5 {
link-name = "spdif-dit-0";
cpu-dai = <&tegra_i2s4>;
codec-dai = <&spdif_dit0>;
cpu-dai-name = "I2S4";
codec-dai-name = "dit-hifi";
format = "i2s";
// bitclock-slave;
bitclock-master;
// frame-slave;
frame-master;
bitclock-noninversion;
frame-noninversion;
// bit-format = "s16_le";
bit-format = "s32_le";
// bclk_ratio = <0>;
bclk_ratio = <0>;
srate = <48000>;
num-channel = <2>;
ignore_suspend;
name-prefix = "s";
};
};

hda@70030000 {
status = "okay";
};
};
37 changes: 37 additions & 0 deletions drivers/media/i2c/tc358840.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1173,6 +1173,42 @@ static void tc358840_set_hdmi_phy(struct v4l2_subdev *sd)

static void tc358840_set_hdmi_audio(struct v4l2_subdev *sd)
{
/* TDM */
#if 0
v4l2_dbg(3, debug, sd, "%s():\n", __func__);
/*
i2c_wr8(sd, FORCE_MUTE, 0x00);
i2c_wr8(sd, AUTO_CMD0, MASK_AUTO_MUTE7 | MASK_AUTO_MUTE6 |
MASK_AUTO_MUTE5 | MASK_AUTO_MUTE4 |
MASK_AUTO_MUTE1 | MASK_AUTO_MUTE0);
i2c_wr8(sd, AUTO_CMD1, MASK_AUTO_MUTE9);
i2c_wr8(sd, AUTO_CMD2, MASK_AUTO_PLAY3 | MASK_AUTO_PLAY2);
i2c_wr8(sd, BUFINIT_START, SET_BUFINIT_START_MS(500));
i2c_wr8(sd, FS_MUTE, 0x00);
i2c_wr8(sd, FS_IMODE, MASK_NLPCM_SMODE | MASK_FS_SMODE);
i2c_wr8(sd, ACR_MODE, MASK_CTS_MODE);
i2c_wr8(sd, ACR_MDF0, MASK_ACR_L2MDF_1976_PPM | MASK_ACR_L1MDF_976_PPM);
i2c_wr8(sd, ACR_MDF1, MASK_ACR_L3MDF_3906_PPM);*/
/*
* TODO: Set output data bit length (currently 16 bit, 8 bit discarded)
*/
/*i2c_wr8(sd, SDO_MODE1, MASK_SDO_FMT_I2S);
i2c_wr8(sd, DIV_MODE, SET_DIV_DLY_MS(100));
i2c_wr16_and_or(sd, CONFCTL0, 0xFFFF, MASK_AUDCHNUM_2 |
MASK_AUDOUTSEL_I2S | MASK_AUTOINDEX);*/

i2c_wr8(sd, FORCE_MUTE, 0x00);
i2c_wr8(sd, AUTO_CMD0, 0xF3);
i2c_wr8(sd, AUTO_CMD1, 0x02);
i2c_wr8(sd, AUTO_CMD2, 0x0C);
i2c_wr8(sd, BUFINIT_START, SET_BUFINIT_START_MS(500));
i2c_wr8(sd, FS_MUTE, 0x00);
i2c_wr8(sd, FS_SET, MASK_FS); /*new*/
i2c_wr8(sd, SDO_MODE1, 0x62);
i2c_wr8(sd, HDMIAUDIO_MODE, 0x00);
i2c_wr16_and_or(sd, CONFCTL0, ~(MASK_AUDCHNUM | MASK_AUDOUTSEL), MASK_AUDOUTSEL_TDM);
#else
/* I2S */
v4l2_dbg(3, debug, sd, "%s():\n", __func__);

i2c_wr8(sd, FORCE_MUTE, 0x00);
Expand All @@ -1194,6 +1230,7 @@ static void tc358840_set_hdmi_audio(struct v4l2_subdev *sd)
i2c_wr8(sd, DIV_MODE, SET_DIV_DLY_MS(100));
i2c_wr16_and_or(sd, CONFCTL0, 0xFFFF, MASK_AUDCHNUM_2 |
MASK_AUDOUTSEL_I2S | MASK_AUTOINDEX);
#endif
}

static void tc358840_set_hdmi_info_frame_mode(struct v4l2_subdev *sd)
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