[alsa-devel] [PATCH] ASoC: tlv320aic31xx: add explicit support for tlv320dac31xx
Chris Healy
cphealy at gmail.com
Fri Sep 23 02:23:54 CEST 2016
Tested-by: Chris Healy <cphealy at gmail.com>
This was tested on an i.MX6 platform with TLV320DAC3100 DAC. No
non-existent capture devices show up any longer.
On Thu, Sep 22, 2016 at 1:06 PM, Nikita Yushchenko <
nikita.yoush at cogentembedded.com> wrote:
> tlv320dac31xx is a subset of tlv320aic31xx:
> - it does not have MIC inputs and ADC, thus capture is not supported,
> - it has analog inputs AIN1/AIN2 that can be mixed into output.
>
> Although tlv320dac31xx does work with tlv320aic31xx driver, this setup
> does register non-existent widgets and non-existent capture stream.
> Thus userspace lists non-existent objects in user interfaces, an can
> access these, causing operations with device registers that are
> declared as "reserved" in tlv320dac31xx datasheet.
>
> This patch fixes this situation by separating controls/widgets/routes
> into common, aic31xx-specific, and dac31xx-specific parts. Only parts
> that match actual hardware (as declared in "compatible" device tree
> property) are registered.
>
> Signed-off-by: Nikita Yushchenko <nikita.yoush at cogentembedded.com>
> ---
> sound/soc/codecs/tlv320aic31xx.c | 212 ++++++++++++++++++++++++++++--
> ---------
> sound/soc/codecs/tlv320aic31xx.h | 2 +
> 2 files changed, 158 insertions(+), 56 deletions(-)
>
> diff --git a/sound/soc/codecs/tlv320aic31xx.c b/sound/soc/codecs/
> tlv320aic31xx.c
> index 3c5e1df..fb7d648 100644
> --- a/sound/soc/codecs/tlv320aic31xx.c
> +++ b/sound/soc/codecs/tlv320aic31xx.c
> @@ -273,10 +273,20 @@ static const DECLARE_TLV_DB_SCALE(sp_vol_tlv,
> -6350, 50, 0);
> /*
> * controls to be exported to the user space
> */
> -static const struct snd_kcontrol_new aic31xx_snd_controls[] = {
> +static const struct snd_kcontrol_new common31xx_snd_controls[] = {
> SOC_DOUBLE_R_S_TLV("DAC Playback Volume", AIC31XX_LDACVOL,
> AIC31XX_RDACVOL, 0, -127, 48, 7, 0,
> dac_vol_tlv),
>
> + SOC_DOUBLE_R("HP Driver Playback Switch", AIC31XX_HPLGAIN,
> + AIC31XX_HPRGAIN, 2, 1, 0),
> + SOC_DOUBLE_R_TLV("HP Driver Playback Volume", AIC31XX_HPLGAIN,
> + AIC31XX_HPRGAIN, 3, 0x09, 0, hp_drv_tlv),
> +
> + SOC_DOUBLE_R_TLV("HP Analog Playback Volume", AIC31XX_LANALOGHPL,
> + AIC31XX_RANALOGHPR, 0, 0x7F, 1, hp_vol_tlv),
> +};
> +
> +static const struct snd_kcontrol_new aic31xx_snd_controls[] = {
> SOC_SINGLE_TLV("ADC Fine Capture Volume", AIC31XX_ADCFGA, 4, 4, 1,
> adc_fgain_tlv),
>
> @@ -286,14 +296,6 @@ static const struct snd_kcontrol_new
> aic31xx_snd_controls[] = {
>
> SOC_SINGLE_TLV("Mic PGA Capture Volume", AIC31XX_MICPGA, 0,
> 119, 0, mic_pga_tlv),
> -
> - SOC_DOUBLE_R("HP Driver Playback Switch", AIC31XX_HPLGAIN,
> - AIC31XX_HPRGAIN, 2, 1, 0),
> - SOC_DOUBLE_R_TLV("HP Driver Playback Volume", AIC31XX_HPLGAIN,
> - AIC31XX_HPRGAIN, 3, 0x09, 0, hp_drv_tlv),
> -
> - SOC_DOUBLE_R_TLV("HP Analog Playback Volume", AIC31XX_LANALOGHPL,
> - AIC31XX_RANALOGHPR, 0, 0x7F, 1, hp_vol_tlv),
> };
>
> static const struct snd_kcontrol_new aic311x_snd_controls[] = {
> @@ -397,17 +399,28 @@ static int aic31xx_dapm_power_event(struct
> snd_soc_dapm_widget *w,
> return 0;
> }
>
> -static const struct snd_kcontrol_new left_output_switches[] = {
> +static const struct snd_kcontrol_new aic31xx_left_output_switches[] = {
> SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
> SOC_DAPM_SINGLE("From MIC1LP", AIC31XX_DACMIXERROUTE, 5, 1, 0),
> SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 4, 1, 0),
> };
>
> -static const struct snd_kcontrol_new right_output_switches[] = {
> +static const struct snd_kcontrol_new aic31xx_right_output_switches[] = {
> SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
> SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 1, 1, 0),
> };
>
> +static const struct snd_kcontrol_new dac31xx_left_output_switches[] = {
> + SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
> + SOC_DAPM_SINGLE("From AIN1", AIC31XX_DACMIXERROUTE, 5, 1, 0),
> + SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 4, 1, 0),
> +};
> +
> +static const struct snd_kcontrol_new dac31xx_right_output_switches[] = {
> + SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
> + SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 1, 1, 0),
> +};
> +
> static const struct snd_kcontrol_new p_term_mic1lp =
> SOC_DAPM_ENUM("MIC1LP P-Terminal", mic1lp_p_enum);
>
> @@ -457,7 +470,7 @@ static int mic_bias_event(struct snd_soc_dapm_widget
> *w,
> return 0;
> }
>
> -static const struct snd_soc_dapm_widget aic31xx_dapm_widgets[] = {
> +static const struct snd_soc_dapm_widget common31xx_dapm_widgets[] = {
> SND_SOC_DAPM_AIF_IN("DAC IN", "DAC Playback", 0, SND_SOC_NOPM, 0,
> 0),
>
> SND_SOC_DAPM_MUX("DAC Left Input",
> @@ -473,14 +486,7 @@ static const struct snd_soc_dapm_widget
> aic31xx_dapm_widgets[] = {
> AIC31XX_DACSETUP, 6, 0,
> aic31xx_dapm_power_event,
> SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
>
> - /* Output Mixers */
> - SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
> - left_output_switches,
> - ARRAY_SIZE(left_output_switches)),
> - SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
> - right_output_switches,
> - ARRAY_SIZE(right_output_switches)),
> -
> + /* HP */
> SND_SOC_DAPM_SWITCH("HP Left", SND_SOC_NOPM, 0, 0,
> &aic31xx_dapm_hpl_switch),
> SND_SOC_DAPM_SWITCH("HP Right", SND_SOC_NOPM, 0, 0,
> @@ -494,10 +500,34 @@ static const struct snd_soc_dapm_widget
> aic31xx_dapm_widgets[] = {
> NULL, 0, aic31xx_dapm_power_event,
> SND_SOC_DAPM_POST_PMD |
> SND_SOC_DAPM_POST_PMU),
>
> - /* ADC */
> - SND_SOC_DAPM_ADC_E("ADC", "Capture", AIC31XX_ADCSETUP, 7, 0,
> - aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU
> |
> - SND_SOC_DAPM_POST_PMD),
> + /* Mic Bias */
> + SND_SOC_DAPM_SUPPLY("MICBIAS", SND_SOC_NOPM, 0, 0, mic_bias_event,
> + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
> +
> + /* Outputs */
> + SND_SOC_DAPM_OUTPUT("HPL"),
> + SND_SOC_DAPM_OUTPUT("HPR"),
> +};
> +
> +static const struct snd_soc_dapm_widget dac31xx_dapm_widgets[] = {
> + /* Inputs */
> + SND_SOC_DAPM_INPUT("AIN1"),
> + SND_SOC_DAPM_INPUT("AIN2"),
> +
> + /* Output Mixers */
> + SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
> + dac31xx_left_output_switches,
> + ARRAY_SIZE(dac31xx_left_output_switches)),
> + SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
> + dac31xx_right_output_switches,
> + ARRAY_SIZE(dac31xx_right_output_switches)),
> +};
> +
> +static const struct snd_soc_dapm_widget aic31xx_dapm_widgets[] = {
> + /* Inputs */
> + SND_SOC_DAPM_INPUT("MIC1LP"),
> + SND_SOC_DAPM_INPUT("MIC1RP"),
> + SND_SOC_DAPM_INPUT("MIC1LM"),
>
> /* Input Selection to MIC_PGA */
> SND_SOC_DAPM_MUX("MIC1LP P-Terminal", SND_SOC_NOPM, 0, 0,
> @@ -507,24 +537,25 @@ static const struct snd_soc_dapm_widget
> aic31xx_dapm_widgets[] = {
> SND_SOC_DAPM_MUX("MIC1LM P-Terminal", SND_SOC_NOPM, 0, 0,
> &p_term_mic1lm),
>
> + /* ADC */
> + SND_SOC_DAPM_ADC_E("ADC", "Capture", AIC31XX_ADCSETUP, 7, 0,
> + aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU
> |
> + SND_SOC_DAPM_POST_PMD),
> +
> SND_SOC_DAPM_MUX("MIC1LM M-Terminal", SND_SOC_NOPM, 0, 0,
> &m_term_mic1lm),
> +
> /* Enabling & Disabling MIC Gain Ctl */
> SND_SOC_DAPM_PGA("MIC_GAIN_CTL", AIC31XX_MICPGA,
> 7, 1, NULL, 0),
>
> - /* Mic Bias */
> - SND_SOC_DAPM_SUPPLY("MICBIAS", SND_SOC_NOPM, 0, 0, mic_bias_event,
> - SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
> -
> - /* Outputs */
> - SND_SOC_DAPM_OUTPUT("HPL"),
> - SND_SOC_DAPM_OUTPUT("HPR"),
> -
> - /* Inputs */
> - SND_SOC_DAPM_INPUT("MIC1LP"),
> - SND_SOC_DAPM_INPUT("MIC1RP"),
> - SND_SOC_DAPM_INPUT("MIC1LM"),
> + /* Output Mixers */
> + SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
> + aic31xx_left_output_switches,
> + ARRAY_SIZE(aic31xx_left_output_switches)),
> + SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
> + aic31xx_right_output_switches,
> + ARRAY_SIZE(aic31xx_right_output_switches)),
> };
>
> static const struct snd_soc_dapm_widget aic311x_dapm_widgets[] = {
> @@ -554,7 +585,7 @@ static const struct snd_soc_dapm_widget
> aic310x_dapm_widgets[] = {
> };
>
> static const struct snd_soc_dapm_route
> -aic31xx_audio_map[] = {
> +common31xx_audio_map[] = {
> /* DAC Input Routing */
> {"DAC Left Input", "Left Data", "DAC IN"},
> {"DAC Left Input", "Right Data", "DAC IN"},
> @@ -565,6 +596,31 @@ aic31xx_audio_map[] = {
> {"DAC Left", NULL, "DAC Left Input"},
> {"DAC Right", NULL, "DAC Right Input"},
>
> + /* HPL path */
> + {"HP Left", "Switch", "Output Left"},
> + {"HPL Driver", NULL, "HP Left"},
> + {"HPL", NULL, "HPL Driver"},
> +
> + /* HPR path */
> + {"HP Right", "Switch", "Output Right"},
> + {"HPR Driver", NULL, "HP Right"},
> + {"HPR", NULL, "HPR Driver"},
> +};
> +
> +static const struct snd_soc_dapm_route
> +dac31xx_audio_map[] = {
> + /* Left Output */
> + {"Output Left", "From Left DAC", "DAC Left"},
> + {"Output Left", "From AIN1", "AIN1"},
> + {"Output Left", "From AIN2", "AIN2"},
> +
> + /* Right Output */
> + {"Output Right", "From Right DAC", "DAC Right"},
> + {"Output Right", "From AIN2", "AIN2"},
> +};
> +
> +static const struct snd_soc_dapm_route
> +aic31xx_audio_map[] = {
> /* Mic input */
> {"MIC1LP P-Terminal", "FFR 10 Ohm", "MIC1LP"},
> {"MIC1LP P-Terminal", "FFR 20 Ohm", "MIC1LP"},
> @@ -595,16 +651,6 @@ aic31xx_audio_map[] = {
> /* Right Output */
> {"Output Right", "From Right DAC", "DAC Right"},
> {"Output Right", "From MIC1RP", "MIC1RP"},
> -
> - /* HPL path */
> - {"HP Left", "Switch", "Output Left"},
> - {"HPL Driver", NULL, "HP Left"},
> - {"HPL", NULL, "HPL Driver"},
> -
> - /* HPR path */
> - {"HP Right", "Switch", "Output Right"},
> - {"HPR Driver", NULL, "HP Right"},
> - {"HPR", NULL, "HPR Driver"},
> };
>
> static const struct snd_soc_dapm_route
> @@ -633,6 +679,13 @@ static int aic31xx_add_controls(struct snd_soc_codec
> *codec)
> int ret = 0;
> struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
>
> + if (!(aic31xx->pdata.codec_type & DAC31XX_BIT))
> + ret = snd_soc_add_codec_controls(
> + codec, aic31xx_snd_controls,
> + ARRAY_SIZE(aic31xx_snd_controls));
> + if (ret)
> + return ret;
> +
> if (aic31xx->pdata.codec_type & AIC31XX_STEREO_CLASS_D_BIT)
> ret = snd_soc_add_codec_controls(
> codec, aic311x_snd_controls,
> @@ -651,6 +704,30 @@ static int aic31xx_add_widgets(struct snd_soc_codec
> *codec)
> struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
> int ret = 0;
>
> + if (aic31xx->pdata.codec_type & DAC31XX_BIT) {
> + ret = snd_soc_dapm_new_controls(
> + dapm, dac31xx_dapm_widgets,
> + ARRAY_SIZE(dac31xx_dapm_widgets));
> + if (ret)
> + return ret;
> +
> + ret = snd_soc_dapm_add_routes(dapm, dac31xx_audio_map,
> +
> ARRAY_SIZE(dac31xx_audio_map));
> + if (ret)
> + return ret;
> + } else {
> + ret = snd_soc_dapm_new_controls(
> + dapm, aic31xx_dapm_widgets,
> + ARRAY_SIZE(aic31xx_dapm_widgets));
> + if (ret)
> + return ret;
> +
> + ret = snd_soc_dapm_add_routes(dapm, aic31xx_audio_map,
> +
> ARRAY_SIZE(aic31xx_audio_map));
> + if (ret)
> + return ret;
> + }
> +
> if (aic31xx->pdata.codec_type & AIC31XX_STEREO_CLASS_D_BIT) {
> ret = snd_soc_dapm_new_controls(
> dapm, aic311x_dapm_widgets,
> @@ -1114,12 +1191,12 @@ static struct snd_soc_codec_driver
> soc_codec_driver_aic31xx = {
> .set_bias_level = aic31xx_set_bias_level,
> .suspend_bias_off = true,
>
> - .controls = aic31xx_snd_controls,
> - .num_controls = ARRAY_SIZE(aic31xx_snd_controls),
> - .dapm_widgets = aic31xx_dapm_widgets,
> - .num_dapm_widgets = ARRAY_SIZE(aic31xx_dapm_widgets),
> - .dapm_routes = aic31xx_audio_map,
> - .num_dapm_routes = ARRAY_SIZE(aic31xx_audio_map),
> + .controls = common31xx_snd_controls,
> + .num_controls = ARRAY_SIZE(common31xx_snd_controls),
> + .dapm_widgets = common31xx_dapm_widgets,
> + .num_dapm_widgets = ARRAY_SIZE(common31xx_dapm_widgets),
> + .dapm_routes = common31xx_audio_map,
> + .num_dapm_routes = ARRAY_SIZE(common31xx_audio_map),
> };
>
> static const struct snd_soc_dai_ops aic31xx_dai_ops = {
> @@ -1129,6 +1206,21 @@ static const struct snd_soc_dai_ops aic31xx_dai_ops
> = {
> .digital_mute = aic31xx_dac_mute,
> };
>
> +static struct snd_soc_dai_driver dac31xx_dai_driver[] = {
> + {
> + .name = "tlv32dac31xx-hifi",
> + .playback = {
> + .stream_name = "Playback",
> + .channels_min = 1,
> + .channels_max = 2,
> + .rates = AIC31XX_RATES,
> + .formats = AIC31XX_FORMATS,
> + },
> + .ops = &aic31xx_dai_ops,
> + .symmetric_rates = 1,
> + }
> +};
> +
> static struct snd_soc_dai_driver aic31xx_dai_driver[] = {
> {
> .name = "tlv320aic31xx-hifi",
> @@ -1259,9 +1351,16 @@ static int aic31xx_i2c_probe(struct i2c_client *i2c,
> if (ret)
> return ret;
>
> - return snd_soc_register_codec(&i2c->dev,
> &soc_codec_driver_aic31xx,
> - aic31xx_dai_driver,
> - ARRAY_SIZE(aic31xx_dai_driver));
> + if (aic31xx->pdata.codec_type & DAC31XX_BIT)
> + return snd_soc_register_codec(&i2c->dev,
> + &soc_codec_driver_aic31xx,
> + dac31xx_dai_driver,
> + ARRAY_SIZE(dac31xx_dai_driver));
> + else
> + return snd_soc_register_codec(&i2c->dev,
> + &soc_codec_driver_aic31xx,
> + aic31xx_dai_driver,
> + ARRAY_SIZE(aic31xx_dai_driver));
> }
>
> static int aic31xx_i2c_remove(struct i2c_client *i2c)
> @@ -1277,6 +1376,7 @@ static const struct i2c_device_id aic31xx_i2c_id[] =
> {
> { "tlv320aic3110", AIC3110 },
> { "tlv320aic3120", AIC3120 },
> { "tlv320aic3111", AIC3111 },
> + { "tlv320dac3100", DAC3100 },
> { }
> };
> MODULE_DEVICE_TABLE(i2c, aic31xx_i2c_id);
> diff --git a/sound/soc/codecs/tlv320aic31xx.h b/sound/soc/codecs/
> tlv320aic31xx.h
> index ac9b146..5acd5b6 100644
> --- a/sound/soc/codecs/tlv320aic31xx.h
> +++ b/sound/soc/codecs/tlv320aic31xx.h
> @@ -24,12 +24,14 @@
>
> #define AIC31XX_STEREO_CLASS_D_BIT 0x1
> #define AIC31XX_MINIDSP_BIT 0x2
> +#define DAC31XX_BIT 0x4
>
> enum aic31xx_type {
> AIC3100 = 0,
> AIC3110 = AIC31XX_STEREO_CLASS_D_BIT,
> AIC3120 = AIC31XX_MINIDSP_BIT,
> AIC3111 = (AIC31XX_STEREO_CLASS_D_BIT | AIC31XX_MINIDSP_BIT),
> + DAC3100 = DAC31XX_BIT,
> };
>
> struct aic31xx_pdata {
> --
> 2.1.4
>
>
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