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Subject[alsa-devel] [PATCH 9/9] ASoC: da7210: Add support for DAPM
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Date
This patch adds support for DAPM covering all inputs and outputs
as well as ADC and DAC.

Tested on Samsung SMDK6410 board with DA7210 evaluation board.

Signed-off-by: Ashish Chavan <ashish.chavan@kpitcummins.com>
Signed-off-by: David Dajun Chen <dchen@diasemi.com>
---
sound/soc/codecs/da7210.c | 251 +++++++++++++++++++++++++++++++++++++++++----
1 files changed, 231 insertions(+), 20 deletions(-)

diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c
index 2c6e47c..e0c3c5b 100644
--- a/sound/soc/codecs/da7210.c
+++ b/sound/soc/codecs/da7210.c
@@ -29,6 +29,8 @@
#define DA7210_CONTROL 0x01
#define DA7210_STATUS 0x02
#define DA7210_STARTUP1 0x03
+#define DA7210_STARTUP2 0x04
+#define DA7210_STARTUP3 0x05
#define DA7210_MIC_L 0x07
#define DA7210_MIC_R 0x08
#define DA7210_AUX1_L 0x09
@@ -199,6 +201,24 @@
#define DA7210_HP_L_ZC (1 << 6)
#define DA7210_HP_R_ZC (1 << 7)

+/* STARTUP2 bit fields */
+#define DA7210_LOUT1_L_STBY (1 << 0)
+#define DA7210_LOUT1_R_STBY (1 << 1)
+#define DA7210_LOUT2_STBY (1 << 2)
+#define DA7210_HP_L_STBY (1 << 3)
+#define DA7210_HP_R_STBY (1 << 4)
+#define DA7210_DAC_L_STBY (1 << 5)
+#define DA7210_DAC_R_STBY (1 << 6)
+
+/* STARTUP3 bit fields */
+#define DA7210_MIC_L_STBY (1 << 0)
+#define DA7210_MIC_R_STBY (1 << 1)
+#define DA7210_LIN1_L_STBY (1 << 2)
+#define DA7210_LIN1_R_STBY (1 << 3)
+#define DA7210_LIN2_STBY (1 << 4)
+#define DA7210_ADC_L_STBY (1 << 5)
+#define DA7210_ADC_R_STBY (1 << 6)
+
/* Default gain/vol values */
#define DA7210_DFLT_DAC_GAIN 0x10 /* 0dB */
#define DA7210_DFLT_OUT1_VOL 0x35 /* 0dB */
@@ -460,6 +480,200 @@ static const struct snd_kcontrol_new da7210_snd_controls[] = {
SOC_ENUM("ADC Voice Cutoff", da7210_adc_vf_cutoff),
};

+/*
+ * DAPM Controls
+ */
+/* In Mixer Left */
+static const struct snd_kcontrol_new da7210_dapm_inmixl_controls[] = {
+ SOC_DAPM_SINGLE("Mic Left Switch", DA7210_INMIX_L, 0, 1, 0),
+ SOC_DAPM_SINGLE("Mic Right Switch", DA7210_INMIX_L, 1, 1, 0),
+ SOC_DAPM_SINGLE("Aux1 Left Switch", DA7210_INMIX_L, 2, 1, 0),
+ SOC_DAPM_SINGLE("Aux2 Switch", DA7210_INMIX_L, 3, 1, 0),
+ SOC_DAPM_SINGLE("Outmix Left Switch", DA7210_INMIX_L, 4, 1, 0),
+};
+
+/* In Mixer Right */
+static const struct snd_kcontrol_new da7210_dapm_inmixr_controls[] = {
+ SOC_DAPM_SINGLE("Mic Right Switch", DA7210_INMIX_R, 0, 1, 0),
+ SOC_DAPM_SINGLE("Mic Left Switch", DA7210_INMIX_R, 1, 1, 0),
+ SOC_DAPM_SINGLE("Aux1 Right Switch", DA7210_INMIX_R, 2, 1, 0),
+ SOC_DAPM_SINGLE("Aux2 Switch", DA7210_INMIX_R, 3, 1, 0),
+ SOC_DAPM_SINGLE("Outmix Right Switch", DA7210_INMIX_R, 4, 1, 0),
+};
+
+/* Out Mixer Left */
+static const struct snd_kcontrol_new da7210_dapm_outmixl_controls[] = {
+ SOC_DAPM_SINGLE("Aux1 Left Switch", DA7210_OUTMIX_L, 0, 1, 0),
+ SOC_DAPM_SINGLE("Aux2 Switch", DA7210_OUTMIX_L, 1, 1, 0),
+ SOC_DAPM_SINGLE("INPGA Left Switch", DA7210_OUTMIX_L, 2, 1, 0),
+ SOC_DAPM_SINGLE("INPGA Right Switch", DA7210_OUTMIX_L, 3, 1, 0),
+ SOC_DAPM_SINGLE("DAC Left Switch", DA7210_OUTMIX_L, 4, 1, 0),
+};
+
+/* Out Mixer Right */
+static const struct snd_kcontrol_new da7210_dapm_outmixr_controls[] = {
+ SOC_DAPM_SINGLE("Aux1 Right Switch", DA7210_OUTMIX_R, 0, 1, 0),
+ SOC_DAPM_SINGLE("Aux2 Switch", DA7210_OUTMIX_R, 1, 1, 0),
+ SOC_DAPM_SINGLE("INPGA Left Switch", DA7210_OUTMIX_R, 2, 1, 0),
+ SOC_DAPM_SINGLE("INPGA Right Switch", DA7210_OUTMIX_R, 3, 1, 0),
+ SOC_DAPM_SINGLE("DAC Right Switch", DA7210_OUTMIX_R, 4, 1, 0),
+};
+
+/* Mono Mixer */
+static const struct snd_kcontrol_new da7210_dapm_monomix_controls[] = {
+ SOC_DAPM_SINGLE("INPGA Right Switch", DA7210_OUT2, 3, 1, 0),
+ SOC_DAPM_SINGLE("INPGA Left Switch", DA7210_OUT2, 4, 1, 0),
+ SOC_DAPM_SINGLE("Outmix Right Switch", DA7210_OUT2, 5, 1, 0),
+ SOC_DAPM_SINGLE("Outmix Left Switch", DA7210_OUT2, 6, 1, 0),
+};
+
+/* DAPM widgets */
+static const struct snd_soc_dapm_widget da7210_dapm_widgets[] = {
+ /* Input Side */
+ /* Input Lines */
+ SND_SOC_DAPM_INPUT("MICL"),
+ SND_SOC_DAPM_INPUT("MICR"),
+ SND_SOC_DAPM_INPUT("AUX1L"),
+ SND_SOC_DAPM_INPUT("AUX1R"),
+ SND_SOC_DAPM_INPUT("AUX2"),
+
+ /* Input PGAs */
+ SND_SOC_DAPM_PGA("Mic Left", DA7210_STARTUP3, 0, 1, NULL, 0),
+ SND_SOC_DAPM_PGA("Mic Right", DA7210_STARTUP3, 1, 1, NULL, 0),
+ SND_SOC_DAPM_PGA("Aux1 Left", DA7210_STARTUP3, 2, 1, NULL, 0),
+ SND_SOC_DAPM_PGA("Aux1 Right", DA7210_STARTUP3, 3, 1, NULL, 0),
+ SND_SOC_DAPM_PGA("Aux2 Mono", DA7210_STARTUP3, 4, 1, NULL, 0),
+
+ SND_SOC_DAPM_PGA("INPGA Left", DA7210_INMIX_L, 7, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("INPGA Right", DA7210_INMIX_R, 7, 0, NULL, 0),
+
+ /* MICBIAS */
+ SND_SOC_DAPM_MICBIAS("Mic Bias", DA7210_MIC_L, 6, 0),
+
+ /* Input Mixers */
+ SND_SOC_DAPM_MIXER("In Mixer Left", SND_SOC_NOPM, 0, 0,
+ &da7210_dapm_inmixl_controls[0],
+ ARRAY_SIZE(da7210_dapm_inmixl_controls)),
+
+ SND_SOC_DAPM_MIXER("In Mixer Right", SND_SOC_NOPM, 0, 0,
+ &da7210_dapm_inmixr_controls[0],
+ ARRAY_SIZE(da7210_dapm_inmixr_controls)),
+
+ /* ADCs */
+ SND_SOC_DAPM_ADC("ADC Left", "Capture", DA7210_STARTUP3, 5, 1),
+ SND_SOC_DAPM_ADC("ADC Right", "Capture", DA7210_STARTUP3, 6, 1),
+
+ /* Output Side */
+ /* DACs */
+ SND_SOC_DAPM_DAC("DAC Left", "Playback", DA7210_STARTUP2, 5, 1),
+ SND_SOC_DAPM_DAC("DAC Right", "Playback", DA7210_STARTUP2, 6, 1),
+
+ /* Output Mixers */
+ SND_SOC_DAPM_MIXER("Out Mixer Left", SND_SOC_NOPM, 0, 0,
+ &da7210_dapm_outmixl_controls[0],
+ ARRAY_SIZE(da7210_dapm_outmixl_controls)),
+
+ SND_SOC_DAPM_MIXER("Out Mixer Right", SND_SOC_NOPM, 0, 0,
+ &da7210_dapm_outmixr_controls[0],
+ ARRAY_SIZE(da7210_dapm_outmixr_controls)),
+
+ SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0,
+ &da7210_dapm_monomix_controls[0],
+ ARRAY_SIZE(da7210_dapm_monomix_controls)),
+
+ /* Output PGAs */
+ SND_SOC_DAPM_PGA("OUTPGA Left Enable", DA7210_OUTMIX_L, 7, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("OUTPGA Right Enable", DA7210_OUTMIX_R, 7, 0, NULL, 0),
+
+ SND_SOC_DAPM_PGA("Out1 Left", DA7210_STARTUP2, 0, 1, NULL, 0),
+ SND_SOC_DAPM_PGA("Out1 Right", DA7210_STARTUP2, 1, 1, NULL, 0),
+ SND_SOC_DAPM_PGA("Out2 Mono", DA7210_STARTUP2, 2, 1, NULL, 0),
+ SND_SOC_DAPM_PGA("Headphone Left", DA7210_STARTUP2, 3, 1, NULL, 0),
+ SND_SOC_DAPM_PGA("Headphone Right", DA7210_STARTUP2, 4, 1, NULL, 0),
+
+ /* Output Lines */
+ SND_SOC_DAPM_OUTPUT("OUT1L"),
+ SND_SOC_DAPM_OUTPUT("OUT1R"),
+ SND_SOC_DAPM_OUTPUT("HPL"),
+ SND_SOC_DAPM_OUTPUT("HPR"),
+ SND_SOC_DAPM_OUTPUT("OUT2"),
+};
+
+/* DAPM audio route definition */
+static const struct snd_soc_dapm_route da7210_audio_map[] = {
+ /* Dest Connecting Widget source */
+ /* Input path */
+ {"Mic Bias", NULL, "MICR"},
+ {"Mic Bias", NULL, "MICL"},
+
+ {"Mic Left", NULL, "Mic Bias"},
+ {"Mic Right", NULL, "Mic Bias"},
+ {"Aux1 Left", NULL, "AUX1L"},
+ {"Aux1 Right", NULL, "AUX1R"},
+ {"Aux2 Mono", NULL, "AUX2"},
+
+ {"In Mixer Left", "Mic Left Switch", "Mic Left"},
+ {"In Mixer Left", "Aux1 Left Switch", "Aux1 Left"},
+ {"In Mixer Left", "Aux2 Switch", "Aux2 Mono"},
+ {"In Mixer Right", "Mic Right Switch", "Mic Right"},
+ {"In Mixer Right", "Aux1 Right Switch", "Aux1 Right"},
+ {"In Mixer Right", "Aux2 Switch", "Aux2 Mono"},
+
+ {"INPGA Left", NULL, "In Mixer Left"},
+ {"ADC Left", NULL, "INPGA Left"},
+
+ {"INPGA Right", NULL, "In Mixer Right"},
+ {"ADC Right", NULL, "INPGA Right"},
+
+ /* Output path */
+ {"Out Mixer Left", "Aux1 Left Switch", "Aux1 Left"},
+ {"Out Mixer Left", "Aux2 Switch", "Aux2 Mono"},
+ {"Out Mixer Left", "INPGA Left Switch", "INPGA Left"},
+ {"Out Mixer Left", "INPGA Right Switch", "INPGA Right"},
+ {"Out Mixer Left", "DAC Left Switch", "DAC Left"},
+
+ {"Out Mixer Right", "Aux1 Right Switch", "Aux1 Right"},
+ {"Out Mixer Right", "Aux2 Switch", "Aux2 Mono"},
+ {"Out Mixer Right", "INPGA Right Switch", "INPGA Right"},
+ {"Out Mixer Right", "INPGA Left Switch", "INPGA Left"},
+ {"Out Mixer Right", "DAC Right Switch", "DAC Right"},
+
+ {"Mono Mixer", "INPGA Right Switch", "INPGA Right"},
+ {"Mono Mixer", "INPGA Left Switch", "INPGA Left"},
+ {"Mono Mixer", "Outmix Right Switch", "Out Mixer Right"},
+ {"Mono Mixer", "Outmix Left Switch", "Out Mixer Left"},
+
+ {"OUTPGA Left Enable", NULL, "Out Mixer Left"},
+ {"OUTPGA Right Enable", NULL, "Out Mixer Right"},
+
+ {"Out1 Left", NULL, "OUTPGA Left Enable"},
+ {"OUT1L", NULL, "Out1 Left"},
+
+ {"Out1 Right", NULL, "OUTPGA Right Enable"},
+ {"OUT1R", NULL, "Out1 Right"},
+
+ {"Headphone Left", NULL, "OUTPGA Left Enable"},
+ {"HPL", NULL, "Headphone Left"},
+
+ {"Headphone Right", NULL, "OUTPGA Right Enable"},
+ {"HPR", NULL, "Headphone Right"},
+
+ {"Out2 Mono", NULL, "Mono Mixer"},
+ {"OUT2", NULL, "Out2 Mono"},
+};
+
+static int da7210_add_widgets(struct snd_soc_codec *codec)
+{
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
+
+ snd_soc_dapm_new_controls(dapm, da7210_dapm_widgets,
+ ARRAY_SIZE(da7210_dapm_widgets));
+ snd_soc_dapm_add_routes(dapm, da7210_audio_map,
+ ARRAY_SIZE(da7210_audio_map));
+
+ return 0;
+}
+
/* Codec private data */
struct da7210_priv {
enum snd_soc_control_type control_type;
@@ -499,25 +713,6 @@ static int da7210_volatile_register(struct snd_soc_codec *codec,
return 0;
}
}
-static int da7210_startup(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- int is_play = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
- struct snd_soc_codec *codec = dai->codec;
-
- if (is_play) {
- /* Enable Out */
- snd_soc_update_bits(codec, DA7210_OUTMIX_L, 0x1F, 0x10);
- snd_soc_update_bits(codec, DA7210_OUTMIX_R, 0x1F, 0x10);
-
- } else {
- /* Enable Mic,AUX1 and AUX2 */
- snd_soc_update_bits(codec, DA7210_INMIX_L, 0x1F, 0xD);
- snd_soc_update_bits(codec, DA7210_INMIX_R, 0x1F, 0xD);
- }
-
- return 0;
-}

/*
* Set PCM DAI word length.
@@ -675,7 +870,6 @@ static int da7210_set_dai_fmt(struct snd_soc_dai *codec_dai, u32 fmt)

/* DAI operations */
static struct snd_soc_dai_ops da7210_dai_ops = {
- .startup = da7210_startup,
.hw_params = da7210_hw_params,
.set_fmt = da7210_set_dai_fmt,
};
@@ -748,6 +942,10 @@ static int da7210_probe(struct snd_soc_codec *codec)
snd_soc_write(codec, DA7210_INMIX_L, DA7210_IN_L_EN);
snd_soc_write(codec, DA7210_INMIX_R, DA7210_IN_R_EN);

+ /* In mixer source selection, only MIC is selected by default */
+ snd_soc_write(codec, DA7210_INMIX_L, 0x01);
+ snd_soc_write(codec, DA7210_INMIX_R, 0x01);
+
/* Enable Left and Right ADC */
snd_soc_write(codec, DA7210_ADC, DA7210_ADC_L_EN | DA7210_ADC_R_EN);

@@ -764,6 +962,10 @@ static int da7210_probe(struct snd_soc_codec *codec)
snd_soc_write(codec, DA7210_OUTMIX_L, DA7210_OUT_L_EN);
snd_soc_write(codec, DA7210_OUTMIX_R, DA7210_OUT_R_EN);

+ /* Outmixer source selection, only DAC is selected by default */
+ snd_soc_write(codec, DA7210_OUTMIX_L, 0x10);
+ snd_soc_write(codec, DA7210_OUTMIX_R, 0x10);
+
/* Enable Left and Right HeadPhone PGA */
snd_soc_write(codec, DA7210_HP_CFG,
DA7210_HP_2CAP_MODE | DA7210_HP_SENSE_EN |
@@ -797,6 +999,14 @@ static int da7210_probe(struct snd_soc_codec *codec)
/* Enable ramp mode for DAC gain update */
snd_soc_write(codec, DA7210_SOFTMUTE, DA7210_RAMP_EN);

+ /* Enable standby for all inputs and outputs */
+ snd_soc_write(codec, DA7210_STARTUP2, DA7210_LOUT1_L_STBY |
+ DA7210_LOUT1_R_STBY | DA7210_LOUT2_STBY | DA7210_HP_L_STBY |
+ DA7210_HP_R_STBY | DA7210_DAC_L_STBY | DA7210_DAC_R_STBY);
+ snd_soc_write(codec, DA7210_STARTUP3, DA7210_MIC_L_STBY |
+ DA7210_MIC_R_STBY | DA7210_LIN1_L_STBY | DA7210_LIN1_R_STBY |
+ DA7210_LIN2_STBY | DA7210_ADC_L_STBY | DA7210_ADC_R_STBY);
+
/* Diable PLL and bypass it */
snd_soc_write(codec, DA7210_PLL, DA7210_PLL_FS_48000);

@@ -828,6 +1038,7 @@ static int da7210_probe(struct snd_soc_codec *codec)

snd_soc_add_controls(codec, da7210_snd_controls,
ARRAY_SIZE(da7210_snd_controls));
+ da7210_add_widgets(codec);

dev_info(codec->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION);

--
1.7.1



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