249 lines
6.7 KiB
C
249 lines
6.7 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* MediaTek ALSA SoC Audio DAI HW Gain Control
|
|
*
|
|
* Copyright (c) 2019 MediaTek Inc.
|
|
* Author: Shane Chien <shane.chien@mediatek.com>
|
|
*/
|
|
|
|
#include <linux/regmap.h>
|
|
#include "mt6885-afe-common.h"
|
|
#include "mt6885-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", 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", 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", 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", 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_info(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);
|
|
|
|
/* set target gain to 0 */
|
|
regmap_update_bits(afe->regmap,
|
|
gain_con1,
|
|
GAIN1_TARGET_MASK_SFT,
|
|
0);
|
|
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", AFE_GAIN1_CON1,
|
|
GAIN1_TARGET_SFT, GAIN1_TARGET_MASK, 0),
|
|
SOC_SINGLE("HW Gain 2", 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 = mt6885_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);
|
|
|
|
/* rate */
|
|
regmap_update_bits(afe->regmap,
|
|
dai->id == MT6885_DAI_HW_GAIN_1 ?
|
|
AFE_GAIN1_CON0 : AFE_GAIN2_CON0,
|
|
GAIN1_MODE_MASK_SFT,
|
|
rate_reg << GAIN1_MODE_SFT);
|
|
|
|
/* sample per step */
|
|
regmap_update_bits(afe->regmap,
|
|
dai->id == MT6885_DAI_HW_GAIN_1 ?
|
|
AFE_GAIN1_CON0 : AFE_GAIN2_CON0,
|
|
GAIN1_SAMPLE_PER_STEP_MASK_SFT,
|
|
0x40 << GAIN1_SAMPLE_PER_STEP_SFT);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_dai_ops mtk_dai_gain_ops = {
|
|
.hw_params = mtk_dai_gain_hw_params,
|
|
};
|
|
|
|
/* dai driver */
|
|
#define MTK_HW_GAIN_RATES (SNDRV_PCM_RATE_8000_48000 |\
|
|
SNDRV_PCM_RATE_88200 |\
|
|
SNDRV_PCM_RATE_96000 |\
|
|
SNDRV_PCM_RATE_176400 |\
|
|
SNDRV_PCM_RATE_192000)
|
|
|
|
#define MTK_HW_GAIN_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
|
|
SNDRV_PCM_FMTBIT_S24_LE |\
|
|
SNDRV_PCM_FMTBIT_S32_LE)
|
|
|
|
|
|
static struct snd_soc_dai_driver mtk_dai_gain_driver[] = {
|
|
{
|
|
.name = "HW Gain 1",
|
|
.id = MT6885_DAI_HW_GAIN_1,
|
|
.playback = {
|
|
.stream_name = "HW Gain 1 In",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = MTK_HW_GAIN_RATES,
|
|
.formats = MTK_HW_GAIN_FORMATS,
|
|
},
|
|
.capture = {
|
|
.stream_name = "HW Gain 1 Out",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = MTK_HW_GAIN_RATES,
|
|
.formats = MTK_HW_GAIN_FORMATS,
|
|
},
|
|
.ops = &mtk_dai_gain_ops,
|
|
.symmetric_rates = 1,
|
|
.symmetric_channels = 1,
|
|
.symmetric_samplebits = 1,
|
|
},
|
|
{
|
|
.name = "HW Gain 2",
|
|
.id = MT6885_DAI_HW_GAIN_2,
|
|
.playback = {
|
|
.stream_name = "HW Gain 2 In",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = MTK_HW_GAIN_RATES,
|
|
.formats = MTK_HW_GAIN_FORMATS,
|
|
},
|
|
.capture = {
|
|
.stream_name = "HW Gain 2 Out",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = MTK_HW_GAIN_RATES,
|
|
.formats = MTK_HW_GAIN_FORMATS,
|
|
},
|
|
.ops = &mtk_dai_gain_ops,
|
|
.symmetric_rates = 1,
|
|
.symmetric_channels = 1,
|
|
.symmetric_samplebits = 1,
|
|
},
|
|
};
|
|
|
|
int mt6885_dai_hw_gain_register(struct mtk_base_afe *afe)
|
|
{
|
|
struct mtk_base_afe_dai *dai;
|
|
|
|
dev_info(afe->dev, "%s()\n", __func__);
|
|
|
|
dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
|
|
if (!dai)
|
|
return -ENOMEM;
|
|
|
|
list_add(&dai->list, &afe->sub_dais);
|
|
|
|
dai->dai_drivers = mtk_dai_gain_driver;
|
|
dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_gain_driver);
|
|
|
|
dai->controls = mtk_hw_gain_controls;
|
|
dai->num_controls = ARRAY_SIZE(mtk_hw_gain_controls);
|
|
dai->dapm_widgets = mtk_dai_hw_gain_widgets;
|
|
dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_hw_gain_widgets);
|
|
dai->dapm_routes = mtk_dai_hw_gain_routes;
|
|
dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_hw_gain_routes);
|
|
return 0;
|
|
}
|