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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>
This commit is contained in:
Mark Brown 2009-08-18 16:01:57 +01:00
parent 010ff26226
commit 59ae07a580
1 changed files with 84 additions and 4 deletions
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88
sound/soc/codecs/wm8993.c
View File

@ -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_ADC("ADCL", "Capture", WM8993_POWER_MANAGEMENT_2, 1, 0),
SND_SOC_DAPM_ADC("ADCR", "Capture", 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_DAC("DACL", "Playback", WM8993_POWER_MANAGEMENT_3, 1, 0),
SND_SOC_DAPM_DAC("DACR", "Playback", WM8993_POWER_MANAGEMENT_3, 0, 0),
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_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_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" },