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);