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Date: Sat, 08 Nov 2014 11:38:03 +1100
From: NeilBrown <neilb@...e.de>
To: Mark Rutland <mark.rutland@....com>,
Pawel Moll <pawel.moll@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Liam Girdwood <lgirdwood@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Peter Ujfalusi <peter.ujfalusi@...com>,
Mark Brown <broonie@...nel.org>
Cc: GTA04 owners <gta04-owner@...delico.com>,
devicetree@...r.kernel.org, alsa-devel@...a-project.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] ASoC: twl4030: enable routing audio to 'voice'
interface.
When 'voice' is some external connection, we power up
the downlink when the downline amplifier is not muted,
and power up the uplink when a new switch "Voice Uplink" is
turned on.
Signed-off-by: NeilBrown <neilb@...e.de>
---
sound/soc/codecs/twl4030.c | 58 +++++++++++++++++++++++++++++++++-----------
1 file changed, 44 insertions(+), 14 deletions(-)
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c
index 39b6d24377e5..f51fb749087f 100644
--- a/sound/soc/codecs/twl4030.c
+++ b/sound/soc/codecs/twl4030.c
@@ -348,9 +348,9 @@ static void twl4030_init_chip(struct snd_soc_codec *codec)
* tri-state until enabled */
twl4030_voice_set_codec_fmt(codec,
twl4030->pdata->voice_fmt);
- twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
- TWL4030_VIF_TRI_EN,
- TWL4030_REG_VOICE_IF);
+ /* These pins only relevant when voice_fmt set */
+ snd_soc_dapm_disable_pin(&codec->dapm, "VOICEIN");
+ snd_soc_dapm_disable_pin(&codec->dapm, "VOICEOUT");
}
twl4030_codec_enable(codec, 0);
@@ -985,15 +985,17 @@ static int snd_soc_put_twl4030_opmode_enum_double(struct snd_kcontrol *kcontrol,
return -EBUSY;
}
if (twl4030->pdata->voice_fmt) {
- /* There is no SND interface to voice, we need to control
- * it here.
- */
- /* If 'val' then voice is disabled, so tri-state it as well */
- snd_soc_update_bits(codec, TWL4030_REG_VOICE_IF,
- TWL4030_VIF_TRI_EN,
- val ? 0xff : 0);
+ if (val) {
+ /* Voice now disabled */
+ snd_soc_dapm_disable_pin(&codec->dapm, "VOICEIN");
+ snd_soc_dapm_disable_pin(&codec->dapm, "VOICEOUT");
+ } else {
+ /* Voice now enabled */
+ snd_soc_dapm_enable_pin(&codec->dapm, "VOICEIN");
+ snd_soc_dapm_enable_pin(&codec->dapm, "VOICEOUT");
+ }
+ snd_soc_dapm_sync(&codec->dapm);
}
-
return snd_soc_put_enum_double(kcontrol, ucontrol);
}
@@ -1016,6 +1018,13 @@ static DECLARE_TLV_DB_SCALE(digital_coarse_tlv, 0, 600, 0);
*/
static DECLARE_TLV_DB_SCALE(digital_voice_downlink_tlv, -3700, 100, 1);
+static const struct snd_kcontrol_new twl4030_dapm_vdown_control =
+ SOC_DAPM_SINGLE_TLV("Volume",
+ TWL4030_REG_VRXPGA, 0, 0x31, 0,
+ digital_voice_downlink_tlv);
+
+static const struct snd_kcontrol_new twl4030_dapm_vup_control =
+ SOC_DAPM_SINGLE("Switch", TWL4030_REG_VOICE_IF, 5, 1, 0);
/*
* Analog playback gain
* -24 dB to 12 dB in 2 dB steps
@@ -1126,9 +1135,6 @@ static const struct snd_kcontrol_new twl4030_snd_controls[] = {
TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL,
1, 1, 0),
- /* Common voice downlink gain controls */
- SOC_SINGLE_TLV("DAC Voice Digital Downlink Volume",
- TWL4030_REG_VRXPGA, 0, 0x31, 0, digital_voice_downlink_tlv),
SOC_SINGLE_TLV("DAC Voice Analog Downlink Volume",
TWL4030_REG_VDL_APGA_CTL, 3, 0x12, 1, analog_tlv),
@@ -1188,6 +1194,7 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
/* Digital microphones (Stereo) */
SND_SOC_DAPM_INPUT("DIGIMIC0"),
SND_SOC_DAPM_INPUT("DIGIMIC1"),
+ SND_SOC_DAPM_INPUT("VOICEIN"),
/* Outputs */
SND_SOC_DAPM_OUTPUT("EARPIECE"),
@@ -1200,6 +1207,7 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
SND_SOC_DAPM_OUTPUT("HFL"),
SND_SOC_DAPM_OUTPUT("HFR"),
SND_SOC_DAPM_OUTPUT("VIBRA"),
+ SND_SOC_DAPM_OUTPUT("VOICEOUT"),
/* AIF and APLL clocks for running DAIs (including loopback) */
SND_SOC_DAPM_OUTPUT("Virtual HiFi OUT"),
@@ -1216,6 +1224,10 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
SND_SOC_DAPM_AIF_IN("VAIFIN", "Voice Playback", 0,
TWL4030_REG_VOICE_IF, 6, 0),
+ SND_SOC_DAPM_SUPPLY("VoiceEnable", TWL4030_REG_VOICE_IF, 6, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("VoicePlay", TWL4030_REG_OPTION, 4, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("VoiceCapture", TWL4030_REG_OPTION, 2, 0, NULL, 0),
+
/* Analog bypasses */
SND_SOC_DAPM_SWITCH("Right1 Analog Loopback", SND_SOC_NOPM, 0, 0,
&twl4030_dapm_abypassr1_control),
@@ -1395,9 +1407,27 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
TWL4030_REG_MICBIAS_CTL, 2, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("VIF Enable", TWL4030_REG_VOICE_IF, 0, 0, NULL, 0),
+
+ SND_SOC_DAPM_SUPPLY("Voice NO-tri", TWL4030_REG_VOICE_IF, 2, 1, NULL, 0),
+
+ SND_SOC_DAPM_SWITCH("DAC Voice Digital Downlink", SND_SOC_NOPM,
+ 0, 0, &twl4030_dapm_vdown_control),
+ SND_SOC_DAPM_SWITCH("Voice Uplink", SND_SOC_NOPM,
+ 0, 0, &twl4030_dapm_vup_control),
};
static const struct snd_soc_dapm_route intercon[] = {
+ {"DAC Voice", NULL, "DAC Voice Digital Downlink"},
+ {"DAC Voice", NULL, "VoiceEnable"},
+ {"DAC Voice", NULL, "VoicePlay"},
+ {"DAC Voice Digital Downlink", "Volume", "VOICEIN"},
+
+ {"VOICEOUT", NULL, "Voice Uplink"},
+ {"VOICEOUT", NULL, "VoiceEnable"},
+ {"VOICEOUT", NULL, "VoiceCapture"},
+ {"VOICEOUT", NULL, "Voice NO-tri"},
+ {"Voice Uplink", "Switch", "TX2 Capture Route"},
+
/* Stream -> DAC mapping */
{"DAC Right1", NULL, "HiFi Playback"},
{"DAC Left1", NULL, "HiFi Playback"},
--
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