Messages in this thread | | | Date | Fri, 18 Feb 2022 15:54:19 +0100 | From | AngeloGioacchino Del Regno <> | Subject | Re: [v2 05/17] ASoC: mediatek: mt8186: support hw gain in platform driver |
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Il 17/02/22 14:41, Jiaxin Yu ha scritto: > This path adds mt8186 hw gain dai driver. > > Signed-off-by: Jiaxin Yu <jiaxin.yu@mediatek.com> > --- > .../soc/mediatek/mt8186/mt8186-dai-hw-gain.c | 245 ++++++++++++++++++ > 1 file changed, 245 insertions(+) > create mode 100644 sound/soc/mediatek/mt8186/mt8186-dai-hw-gain.c > > diff --git a/sound/soc/mediatek/mt8186/mt8186-dai-hw-gain.c b/sound/soc/mediatek/mt8186/mt8186-dai-hw-gain.c > new file mode 100644 > index 000000000000..796878989727 > --- /dev/null > +++ b/sound/soc/mediatek/mt8186/mt8186-dai-hw-gain.c > @@ -0,0 +1,245 @@ > +// SPDX-License-Identifier: GPL-2.0 > +// > +// MediaTek ALSA SoC Audio DAI HW Gain Control > +// > +// Copyright (c) 2022 MediaTek Inc. > +// Author: Jiaxin Yu <jiaxin.yu@mediatek.com> > + > +#include <linux/regmap.h> > +#include "mt8186-afe-common.h" > +#include "mt8186-interconnection.h" > + > +#define HW_GAIN_1_EN_W_NAME "HW GAIN 1 Enable" > +#define HW_GAIN_2_EN_W_NAME "HW GAIN 2 Enable" > + > +/* dai component */ > +static const struct snd_kcontrol_new mtk_hw_gain1_in_ch1_mix[] = { > + SOC_DAPM_SINGLE_AUTODISABLE("CONNSYS_I2S_CH1 Switch", AFE_CONN13_1, > + I_CONNSYS_I2S_CH1, 1, 0), > +}; > + > +static const struct snd_kcontrol_new mtk_hw_gain1_in_ch2_mix[] = { > + SOC_DAPM_SINGLE_AUTODISABLE("CONNSYS_I2S_CH2 Switch", AFE_CONN14_1, > + I_CONNSYS_I2S_CH2, 1, 0), > +}; > + > +static const struct snd_kcontrol_new mtk_hw_gain2_in_ch1_mix[] = { > + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1 Switch", AFE_CONN15, > + I_ADDA_UL_CH1, 1, 0), > +}; > + > +static const struct snd_kcontrol_new mtk_hw_gain2_in_ch2_mix[] = { > + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2 Switch", AFE_CONN16, > + I_ADDA_UL_CH2, 1, 0), > +}; > + > +static int mtk_hw_gain_event(struct snd_soc_dapm_widget *w, > + struct snd_kcontrol *kcontrol, > + int event) > +{ > + struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm); > + struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt); > + unsigned int gain_cur; > + unsigned int gain_con1; > + > + dev_dbg(cmpnt->dev, "%s(), name %s, event 0x%x\n", > + __func__, w->name, event); > + > + switch (event) { > + case SND_SOC_DAPM_PRE_PMU: > + if (strcmp(w->name, HW_GAIN_1_EN_W_NAME) == 0) { > + gain_cur = AFE_GAIN1_CUR; > + gain_con1 = AFE_GAIN1_CON1; > + } else { > + gain_cur = AFE_GAIN2_CUR; > + gain_con1 = AFE_GAIN2_CON1; > + } > + > + /* let hw gain ramp up, set cur gain to 0 */ > + regmap_update_bits(afe->regmap, > + gain_cur, > + AFE_GAIN1_CUR_MASK_SFT, > + 0);
This fits in one line (86 columns is ok)
> + > + /* set target gain to 0 */ > + regmap_update_bits(afe->regmap, > + gain_con1, > + GAIN1_TARGET_MASK_SFT, > + 0);
Same here.
> + break; > + default: > + break; > + } > + > + return 0; > +} > + > +static const struct snd_soc_dapm_widget mtk_dai_hw_gain_widgets[] = { > + /* inter-connections */ > + SND_SOC_DAPM_MIXER("HW_GAIN1_IN_CH1", SND_SOC_NOPM, 0, 0, > + mtk_hw_gain1_in_ch1_mix, > + ARRAY_SIZE(mtk_hw_gain1_in_ch1_mix)), > + SND_SOC_DAPM_MIXER("HW_GAIN1_IN_CH2", SND_SOC_NOPM, 0, 0, > + mtk_hw_gain1_in_ch2_mix, > + ARRAY_SIZE(mtk_hw_gain1_in_ch2_mix)), > + SND_SOC_DAPM_MIXER("HW_GAIN2_IN_CH1", SND_SOC_NOPM, 0, 0, > + mtk_hw_gain2_in_ch1_mix, > + ARRAY_SIZE(mtk_hw_gain2_in_ch1_mix)), > + SND_SOC_DAPM_MIXER("HW_GAIN2_IN_CH2", SND_SOC_NOPM, 0, 0, > + mtk_hw_gain2_in_ch2_mix, > + ARRAY_SIZE(mtk_hw_gain2_in_ch2_mix)), > + > + SND_SOC_DAPM_SUPPLY(HW_GAIN_1_EN_W_NAME, > + AFE_GAIN1_CON0, GAIN1_ON_SFT, 0, > + mtk_hw_gain_event, > + SND_SOC_DAPM_PRE_PMU), > + > + SND_SOC_DAPM_SUPPLY(HW_GAIN_2_EN_W_NAME, > + AFE_GAIN2_CON0, GAIN2_ON_SFT, 0, > + mtk_hw_gain_event, > + SND_SOC_DAPM_PRE_PMU), > + > + SND_SOC_DAPM_INPUT("HW Gain 1 Out Endpoint"), > + SND_SOC_DAPM_INPUT("HW Gain 2 Out Endpoint"), > + SND_SOC_DAPM_OUTPUT("HW Gain 1 In Endpoint"), > +}; > + > +static const struct snd_soc_dapm_route mtk_dai_hw_gain_routes[] = { > + {"HW Gain 1 In", NULL, "HW_GAIN1_IN_CH1"}, > + {"HW Gain 1 In", NULL, "HW_GAIN1_IN_CH2"}, > + {"HW Gain 2 In", NULL, "HW_GAIN2_IN_CH1"}, > + {"HW Gain 2 In", NULL, "HW_GAIN2_IN_CH2"}, > + > + {"HW Gain 1 In", NULL, HW_GAIN_1_EN_W_NAME}, > + {"HW Gain 1 Out", NULL, HW_GAIN_1_EN_W_NAME}, > + {"HW Gain 2 In", NULL, HW_GAIN_2_EN_W_NAME}, > + {"HW Gain 2 Out", NULL, HW_GAIN_2_EN_W_NAME}, > + > + {"HW Gain 1 In Endpoint", NULL, "HW Gain 1 In"}, > + {"HW Gain 1 Out", NULL, "HW Gain 1 Out Endpoint"}, > + {"HW Gain 2 Out", NULL, "HW Gain 2 Out Endpoint"}, > +}; > + > +static const struct snd_kcontrol_new mtk_hw_gain_controls[] = { > + SOC_SINGLE("HW Gain 1 Volume", AFE_GAIN1_CON1, > + GAIN1_TARGET_SFT, GAIN1_TARGET_MASK, 0), > + SOC_SINGLE("HW Gain 2 Volume", AFE_GAIN2_CON1, > + GAIN2_TARGET_SFT, GAIN2_TARGET_MASK, 0), > +}; > + > +/* dai ops */ > +static int mtk_dai_gain_hw_params(struct snd_pcm_substream *substream, > + struct snd_pcm_hw_params *params, > + struct snd_soc_dai *dai) > +{ > + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); > + unsigned int rate = params_rate(params); > + unsigned int rate_reg = mt8186_rate_transform(afe->dev, rate, dai->id); > + > + dev_info(afe->dev, "%s(), id %d, stream %d, rate %d\n", > + __func__, > + dai->id, > + substream->stream, > + rate);
This should be: dev_info(afe->dev, "%s(), id %d, stream %d, rate %d\n",
__func__, dai->id, substream->stream, rate);
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