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authorMark Brown <broonie@opensource.wolfsonmicro.com>2009-08-18 16:01:57 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-08-18 16:06:13 +0100
commit59ae07a58012a96cfbc9b4c0f3a07ad07d2a2208 (patch)
tree31641802e7a9d43793839cf23089bce683000e20 /sound/soc
parent010ff262269c6ad84acba98eab2d7843919c7ccf (diff)
downloadblackbird-op-linux-59ae07a58012a96cfbc9b4c0f3a07ad07d2a2208.tar.gz
blackbird-op-linux-59ae07a58012a96cfbc9b4c0f3a07ad07d2a2208.zip
ASoC: WM8993 digital mixing support
The WM8993 provides digital sidetone paths and also allows each channel on the audio interface to be routed separtately to the DACs and ADCs. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/codecs/wm8993.c88
1 files changed, 84 insertions, 4 deletions
diff --git a/sound/soc/codecs/wm8993.c b/sound/soc/codecs/wm8993.c
index cd1566931135..ff9b63b0ff87 100644
--- a/sound/soc/codecs/wm8993.c
+++ b/sound/soc/codecs/wm8993.c
@@ -846,18 +846,76 @@ SOC_DAPM_SINGLE("Output Switch", WM8993_SPEAKER_MIXER, 2, 1, 0),
SOC_DAPM_SINGLE("DAC Switch", WM8993_SPEAKER_MIXER, 0, 1, 0),
};
+static const char *aif_text[] = {
+ "Left", "Right"
+};
+
+static const struct soc_enum aifoutl_enum =
+ SOC_ENUM_SINGLE(WM8993_AUDIO_INTERFACE_1, 15, 2, aif_text);
+
+static const struct snd_kcontrol_new aifoutl_mux =
+ SOC_DAPM_ENUM("AIFOUTL Mux", aifoutl_enum);
+
+static const struct soc_enum aifoutr_enum =
+ SOC_ENUM_SINGLE(WM8993_AUDIO_INTERFACE_1, 14, 2, aif_text);
+
+static const struct snd_kcontrol_new aifoutr_mux =
+ SOC_DAPM_ENUM("AIFOUTR Mux", aifoutr_enum);
+
+static const struct soc_enum aifinl_enum =
+ SOC_ENUM_SINGLE(WM8993_AUDIO_INTERFACE_2, 15, 2, aif_text);
+
+static const struct snd_kcontrol_new aifinl_mux =
+ SOC_DAPM_ENUM("AIFINL Mux", aifinl_enum);
+
+static const struct soc_enum aifinr_enum =
+ SOC_ENUM_SINGLE(WM8993_AUDIO_INTERFACE_2, 14, 2, aif_text);
+
+static const struct snd_kcontrol_new aifinr_mux =
+ SOC_DAPM_ENUM("AIFINR Mux", aifinr_enum);
+
+static const char *sidetone_text[] = {
+ "None", "Left", "Right"
+};
+
+static const struct soc_enum sidetonel_enum =
+ SOC_ENUM_SINGLE(WM8993_DIGITAL_SIDE_TONE, 2, 3, sidetone_text);
+
+static const struct snd_kcontrol_new sidetonel_mux =
+ SOC_DAPM_ENUM("Left Sidetone", sidetonel_enum);
+
+static const struct soc_enum sidetoner_enum =
+ SOC_ENUM_SINGLE(WM8993_DIGITAL_SIDE_TONE, 0, 3, sidetone_text);
+
+static const struct snd_kcontrol_new sidetoner_mux =
+ SOC_DAPM_ENUM("Right Sidetone", sidetoner_enum);
+
static const struct snd_soc_dapm_widget wm8993_dapm_widgets[] = {
SND_SOC_DAPM_SUPPLY("CLK_SYS", WM8993_BUS_CONTROL_1, 1, 0, clk_sys_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY("TOCLK", WM8993_CLOCKING_1, 14, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8993_CLOCKING_3, 0, 0, NULL, 0),
+SND_SOC_DAPM_ADC("ADCL", NULL, WM8993_POWER_MANAGEMENT_2, 1, 0),
+SND_SOC_DAPM_ADC("ADCR", NULL, WM8993_POWER_MANAGEMENT_2, 0, 0),
+
+SND_SOC_DAPM_MUX("AIFOUTL Mux", SND_SOC_NOPM, 0, 0, &aifoutl_mux),
+SND_SOC_DAPM_MUX("AIFOUTR Mux", SND_SOC_NOPM, 0, 0, &aifoutr_mux),
+
+SND_SOC_DAPM_AIF_OUT("AIFOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0),
+SND_SOC_DAPM_AIF_OUT("AIFOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0),
-SND_SOC_DAPM_ADC("ADCL", "Capture", WM8993_POWER_MANAGEMENT_2, 1, 0),
-SND_SOC_DAPM_ADC("ADCR", "Capture", WM8993_POWER_MANAGEMENT_2, 0, 0),
+SND_SOC_DAPM_AIF_IN("AIFINL", "Playback", 0, SND_SOC_NOPM, 0, 0),
+SND_SOC_DAPM_AIF_IN("AIFINR", "Playback", 1, SND_SOC_NOPM, 0, 0),
-SND_SOC_DAPM_DAC("DACL", "Playback", WM8993_POWER_MANAGEMENT_3, 1, 0),
-SND_SOC_DAPM_DAC("DACR", "Playback", WM8993_POWER_MANAGEMENT_3, 0, 0),
+SND_SOC_DAPM_MUX("DACL Mux", SND_SOC_NOPM, 0, 0, &aifinl_mux),
+SND_SOC_DAPM_MUX("DACR Mux", SND_SOC_NOPM, 0, 0, &aifinr_mux),
+
+SND_SOC_DAPM_MUX("DACL Sidetone", SND_SOC_NOPM, 0, 0, &sidetonel_mux),
+SND_SOC_DAPM_MUX("DACR Sidetone", SND_SOC_NOPM, 0, 0, &sidetoner_mux),
+
+SND_SOC_DAPM_DAC("DACL", NULL, WM8993_POWER_MANAGEMENT_3, 1, 0),
+SND_SOC_DAPM_DAC("DACR", NULL, WM8993_POWER_MANAGEMENT_3, 0, 0),
SND_SOC_DAPM_MUX("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &hpl_mux),
SND_SOC_DAPM_MUX("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &hpr_mux),
@@ -875,10 +933,32 @@ static const struct snd_soc_dapm_route routes[] = {
{ "ADCR", NULL, "CLK_SYS" },
{ "ADCR", NULL, "CLK_DSP" },
+ { "AIFOUTL Mux", "Left", "ADCL" },
+ { "AIFOUTL Mux", "Right", "ADCR" },
+ { "AIFOUTR Mux", "Left", "ADCL" },
+ { "AIFOUTR Mux", "Right", "ADCR" },
+
+ { "AIFOUTL", NULL, "AIFOUTL Mux" },
+ { "AIFOUTR", NULL, "AIFOUTR Mux" },
+
+ { "DACL Mux", "Left", "AIFINL" },
+ { "DACL Mux", "Right", "AIFINR" },
+ { "DACR Mux", "Left", "AIFINL" },
+ { "DACR Mux", "Right", "AIFINR" },
+
+ { "DACL Sidetone", "Left", "ADCL" },
+ { "DACL Sidetone", "Right", "ADCR" },
+ { "DACR Sidetone", "Left", "ADCL" },
+ { "DACR Sidetone", "Right", "ADCR" },
+
{ "DACL", NULL, "CLK_SYS" },
{ "DACL", NULL, "CLK_DSP" },
+ { "DACL", NULL, "DACL Mux" },
+ { "DACL", NULL, "DACL Sidetone" },
{ "DACR", NULL, "CLK_SYS" },
{ "DACR", NULL, "CLK_DSP" },
+ { "DACR", NULL, "DACR Mux" },
+ { "DACR", NULL, "DACR Sidetone" },
{ "Left Output Mixer", "DAC Switch", "DACL" },
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