mirror of
https://github.com/torvalds/linux.git
synced 2026-05-27 08:33:17 +02:00
ASoC: mediatek: mt8189: support PCM in platform driver
Add mt8189 PCM DAI driver support. Signed-off-by: Cyril Chao <Cyril.Chao@mediatek.com> Link: https://patch.msgid.link/20251031073216.8662-7-Cyril.Chao@mediatek.com Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Cyril Chao
Mark Brown
parent
9f202872ba
commit
402ff04339
332
sound/soc/mediatek/mt8189/mt8189-dai-pcm.c
Normal file
332
sound/soc/mediatek/mt8189/mt8189-dai-pcm.c
Normal file
|
|
@ -0,0 +1,332 @@
|
|||
// SPDX-License-Identifier: GPL-2.0
|
||||
/*
|
||||
* MediaTek ALSA SoC Audio DAI I2S Control
|
||||
*
|
||||
* Copyright (c) 2025 MediaTek Inc.
|
||||
* Author: Darren Ye <darren.ye@mediatek.com>
|
||||
*/
|
||||
|
||||
#include <linux/regmap.h>
|
||||
|
||||
#include <sound/pcm_params.h>
|
||||
|
||||
#include "mt8189-afe-common.h"
|
||||
#include "mt8189-interconnection.h"
|
||||
#include "mt8189-afe-clk.h"
|
||||
|
||||
enum AUD_TX_LCH_RPT {
|
||||
AUD_TX_LCH_RPT_NO_REPEAT,
|
||||
AUD_TX_LCH_RPT_REPEAT
|
||||
};
|
||||
|
||||
enum AUD_VBT_16K_MODE {
|
||||
AUD_VBT_16K_MODE_DISABLE,
|
||||
AUD_VBT_16K_MODE_ENABLE
|
||||
};
|
||||
|
||||
enum AUD_EXT_MODEM {
|
||||
AUD_EXT_MODEM_SELECT_INTERNAL,
|
||||
AUD_EXT_MODEM_SELECT_EXTERNAL
|
||||
};
|
||||
|
||||
enum AUD_PCM_SYNC_TYPE {
|
||||
/* bck sync length = 1 */
|
||||
AUD_PCM_ONE_BCK_CYCLE_SYNC,
|
||||
/* bck sync length = PCM_INTF_CON1[9:13] */
|
||||
AUD_PCM_EXTENDED_BCK_CYCLE_SYNC
|
||||
};
|
||||
|
||||
enum AUD_BT_MODE {
|
||||
AUD_BT_MODE_DUAL_MIC_ON_TX,
|
||||
AUD_BT_MODE_SINGLE_MIC_ON_TX
|
||||
};
|
||||
|
||||
enum AUD_PCM_AFIFO_SRC {
|
||||
/* slave mode & external modem uses different crystal */
|
||||
AUD_PCM_AFIFO_ASRC,
|
||||
/* slave mode & external modem uses the same crystal */
|
||||
AUD_PCM_AFIFO_AFIFO
|
||||
};
|
||||
|
||||
enum AUD_PCM_CLOCK_SOURCE {
|
||||
AUD_PCM_CLOCK_MASTER_MODE,
|
||||
AUD_PCM_CLOCK_SLAVE_MODE
|
||||
};
|
||||
|
||||
enum AUD_PCM_WLEN {
|
||||
AUD_PCM_WLEN_PCM_32_BCK_CYCLES,
|
||||
AUD_PCM_WLEN_PCM_64_BCK_CYCLES
|
||||
};
|
||||
|
||||
enum AUD_PCM_MODE {
|
||||
AUD_PCM_MODE_PCM_MODE_8K,
|
||||
AUD_PCM_MODE_PCM_MODE_16K,
|
||||
AUD_PCM_MODE_PCM_MODE_32K,
|
||||
AUD_PCM_MODE_PCM_MODE_48K
|
||||
};
|
||||
|
||||
enum AUD_PCM_FMT {
|
||||
AUD_PCM_FMT_I2S,
|
||||
AUD_PCM_FMT_EIAJ,
|
||||
AUD_PCM_FMT_PCM_MODE_A,
|
||||
AUD_PCM_FMT_PCM_MODE_B
|
||||
};
|
||||
|
||||
enum AUD_BCLK_OUT_INV {
|
||||
AUD_BCLK_OUT_INV_NO_INVERSE,
|
||||
AUD_BCLK_OUT_INV_INVERSE
|
||||
};
|
||||
|
||||
enum AUD_PCM_EN {
|
||||
AUD_PCM_EN_DISABLE,
|
||||
AUD_PCM_EN_ENABLE
|
||||
};
|
||||
|
||||
enum AUD_PCM1_1X_EN_DOMAIN {
|
||||
HOPPING_26M,
|
||||
APLL,
|
||||
SLAVE = 6
|
||||
};
|
||||
|
||||
enum AUD_PCM1_1X_EN_SLAVE_MODE {
|
||||
PCM0_SLAVE_1X_EN,
|
||||
PCM1_SLAVE_1X_EN
|
||||
};
|
||||
|
||||
enum {
|
||||
PCM_8K,
|
||||
PCM_16K = 4,
|
||||
PCM_32K = 8,
|
||||
PCM_48K = 10
|
||||
};
|
||||
|
||||
static unsigned int pcm_1x_rate_transform(struct device *dev,
|
||||
unsigned int rate)
|
||||
{
|
||||
switch (rate) {
|
||||
case 8000:
|
||||
return PCM_8K;
|
||||
case 16000:
|
||||
return PCM_16K;
|
||||
case 32000:
|
||||
return PCM_32K;
|
||||
case 48000:
|
||||
return PCM_48K;
|
||||
default:
|
||||
dev_warn(dev, "rate %u invalid, use %d!!!\n",
|
||||
rate, PCM_48K);
|
||||
return PCM_48K;
|
||||
}
|
||||
}
|
||||
|
||||
static unsigned int pcm_rate_transform(struct device *dev,
|
||||
unsigned int rate)
|
||||
{
|
||||
switch (rate) {
|
||||
case 8000:
|
||||
return MTK_AFE_PCM_RATE_8K;
|
||||
case 16000:
|
||||
return MTK_AFE_PCM_RATE_16K;
|
||||
case 32000:
|
||||
return MTK_AFE_PCM_RATE_32K;
|
||||
case 48000:
|
||||
return MTK_AFE_PCM_RATE_48K;
|
||||
default:
|
||||
dev_warn(dev, "rate %u invalid, use %d\n",
|
||||
rate, MTK_AFE_PCM_RATE_48K);
|
||||
return MTK_AFE_PCM_RATE_48K;
|
||||
}
|
||||
}
|
||||
|
||||
/* dai component */
|
||||
static const struct snd_kcontrol_new mtk_pcm_0_playback_ch1_mix[] = {
|
||||
SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN096_0,
|
||||
I_ADDA_UL_CH1, 1, 0),
|
||||
SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN096_1,
|
||||
I_DL2_CH1, 1, 0),
|
||||
SOC_DAPM_SINGLE_AUTODISABLE("DL_24CH_CH1", AFE_CONN096_1,
|
||||
I_DL_24CH_CH1, 1, 0),
|
||||
};
|
||||
|
||||
static const struct snd_kcontrol_new mtk_pcm_0_playback_ch2_mix[] = {
|
||||
SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN097_0,
|
||||
I_ADDA_UL_CH2, 1, 0),
|
||||
SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN097_1,
|
||||
I_DL2_CH2, 1, 0),
|
||||
SOC_DAPM_SINGLE_AUTODISABLE("DL_24CH_CH2", AFE_CONN097_1,
|
||||
I_DL_24CH_CH2, 1, 0),
|
||||
};
|
||||
|
||||
static const struct snd_kcontrol_new mtk_pcm_0_playback_ch4_mix[] = {
|
||||
SOC_DAPM_SINGLE_AUTODISABLE("I2SIN1_CH1", AFE_CONN099_4,
|
||||
I_I2SIN1_CH1, 1, 0),
|
||||
SOC_DAPM_SINGLE_AUTODISABLE("I2SIN1_CH2", AFE_CONN099_4,
|
||||
I_I2SIN1_CH2, 1, 0),
|
||||
SOC_DAPM_SINGLE_AUTODISABLE("DL0_CH1", AFE_CONN099_1,
|
||||
I_DL0_CH1, 1, 0),
|
||||
SOC_DAPM_SINGLE_AUTODISABLE("DL_24CH_CH1", AFE_CONN099_1,
|
||||
I_DL_24CH_CH1, 1, 0),
|
||||
};
|
||||
|
||||
static const struct snd_soc_dapm_widget mtk_dai_pcm_widgets[] = {
|
||||
/* inter-connections */
|
||||
SND_SOC_DAPM_MIXER("PCM_0_PB_CH1", SND_SOC_NOPM, 0, 0,
|
||||
mtk_pcm_0_playback_ch1_mix,
|
||||
ARRAY_SIZE(mtk_pcm_0_playback_ch1_mix)),
|
||||
SND_SOC_DAPM_MIXER("PCM_0_PB_CH2", SND_SOC_NOPM, 0, 0,
|
||||
mtk_pcm_0_playback_ch2_mix,
|
||||
ARRAY_SIZE(mtk_pcm_0_playback_ch2_mix)),
|
||||
SND_SOC_DAPM_MIXER("PCM_0_PB_CH4", SND_SOC_NOPM, 0, 0,
|
||||
mtk_pcm_0_playback_ch4_mix,
|
||||
ARRAY_SIZE(mtk_pcm_0_playback_ch4_mix)),
|
||||
|
||||
SND_SOC_DAPM_SUPPLY("PCM_0_EN",
|
||||
AFE_PCM0_INTF_CON0, PCM0_EN_SFT, 0,
|
||||
NULL, 0),
|
||||
|
||||
SND_SOC_DAPM_SUPPLY("PCM0_CG", AUDIO_TOP_CON0, PDN_PCM0_SFT, 1,
|
||||
NULL, 0),
|
||||
|
||||
SND_SOC_DAPM_INPUT("AFE_PCM_INPUT"),
|
||||
SND_SOC_DAPM_OUTPUT("AFE_PCM_OUTPUT"),
|
||||
};
|
||||
|
||||
static const struct snd_soc_dapm_route mtk_dai_pcm_routes[] = {
|
||||
{"PCM 0 Playback", NULL, "PCM_0_PB_CH1"},
|
||||
{"PCM 0 Playback", NULL, "PCM_0_PB_CH2"},
|
||||
{"PCM 0 Playback", NULL, "PCM_0_PB_CH4"},
|
||||
|
||||
{"PCM 0 Playback", NULL, "PCM_0_EN"},
|
||||
{"PCM 0 Capture", NULL, "PCM_0_EN"},
|
||||
{"PCM 0 Playback", NULL, "PCM0_CG"},
|
||||
{"PCM 0 Capture", NULL, "PCM0_CG"},
|
||||
|
||||
{"AFE_PCM_OUTPUT", NULL, "PCM 0 Playback"},
|
||||
{"PCM 0 Capture", NULL, "AFE_PCM_INPUT"},
|
||||
|
||||
{"PCM_0_PB_CH1", "DL2_CH1", "DL2"},
|
||||
{"PCM_0_PB_CH2", "DL2_CH2", "DL2"},
|
||||
{"PCM_0_PB_CH4", "DL0_CH1", "DL0"},
|
||||
|
||||
{"PCM_0_PB_CH1", "DL_24CH_CH1", "DL_24CH"},
|
||||
{"PCM_0_PB_CH2", "DL_24CH_CH2", "DL_24CH"},
|
||||
{"PCM_0_PB_CH4", "DL_24CH_CH1", "DL_24CH"},
|
||||
};
|
||||
|
||||
/* dai ops */
|
||||
static int mtk_dai_pcm_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 = pcm_rate_transform(afe->dev, rate);
|
||||
unsigned int x_rate_reg = pcm_1x_rate_transform(afe->dev, rate);
|
||||
unsigned int pcm_con0;
|
||||
unsigned int pcm_con1;
|
||||
unsigned int playback_active = 0;
|
||||
unsigned int capture_active = 0;
|
||||
struct snd_soc_dapm_widget *playback_widget =
|
||||
snd_soc_dai_get_widget(dai, SNDRV_PCM_STREAM_PLAYBACK);
|
||||
struct snd_soc_dapm_widget *capture_widget =
|
||||
snd_soc_dai_get_widget(dai, SNDRV_PCM_STREAM_CAPTURE);
|
||||
|
||||
if (playback_widget)
|
||||
playback_active = playback_widget->active;
|
||||
if (capture_widget)
|
||||
capture_active = capture_widget->active;
|
||||
dev_dbg(afe->dev,
|
||||
"id %d, stream %d, rate %d, rate_reg %d, active p %d, c %d\n",
|
||||
dai->id, substream->stream, rate, rate_reg,
|
||||
playback_active, capture_active);
|
||||
|
||||
if (playback_active || capture_active)
|
||||
return 0;
|
||||
switch (dai->id) {
|
||||
case MT8189_DAI_PCM_0:
|
||||
pcm_con0 = AUD_BCLK_OUT_INV_NO_INVERSE << PCM0_BCLK_OUT_INV_SFT;
|
||||
pcm_con0 |= AUD_TX_LCH_RPT_NO_REPEAT << PCM0_TX_LCH_RPT_SFT;
|
||||
pcm_con0 |= AUD_VBT_16K_MODE_DISABLE << PCM0_VBT_16K_MODE_SFT;
|
||||
pcm_con0 |= 0 << PCM0_SYNC_LENGTH_SFT;
|
||||
pcm_con0 |= AUD_PCM_ONE_BCK_CYCLE_SYNC << PCM0_SYNC_TYPE_SFT;
|
||||
pcm_con0 |= AUD_PCM_AFIFO_AFIFO << PCM0_BYP_ASRC_SFT;
|
||||
pcm_con0 |= AUD_PCM_CLOCK_MASTER_MODE << PCM0_SLAVE_SFT;
|
||||
pcm_con0 |= rate_reg << PCM0_MODE_SFT;
|
||||
pcm_con0 |= AUD_PCM_FMT_I2S << PCM0_FMT_SFT;
|
||||
|
||||
pcm_con1 = AUD_EXT_MODEM_SELECT_INTERNAL << PCM0_EXT_MODEM_SFT;
|
||||
pcm_con1 |= AUD_BT_MODE_DUAL_MIC_ON_TX << PCM0_BT_MODE_SFT;
|
||||
pcm_con1 |= HOPPING_26M << PCM0_1X_EN_DOMAIN_SFT;
|
||||
pcm_con1 |= x_rate_reg << PCM0_1X_EN_MODE_SFT;
|
||||
|
||||
regmap_update_bits(afe->regmap, AFE_PCM0_INTF_CON0,
|
||||
~(unsigned int)PCM0_EN_MASK_SFT, pcm_con0);
|
||||
regmap_update_bits(afe->regmap, AFE_PCM0_INTF_CON1,
|
||||
AFE_PCM0_INTF_CON1_MASK_MON_MASK_SFT,
|
||||
pcm_con1);
|
||||
break;
|
||||
default:
|
||||
dev_err(afe->dev, "%s(), id %d not support\n",
|
||||
__func__, dai->id);
|
||||
return -EINVAL;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct snd_soc_dai_ops mtk_dai_pcm_ops = {
|
||||
.hw_params = mtk_dai_pcm_hw_params,
|
||||
};
|
||||
|
||||
/* dai driver */
|
||||
#define MTK_PCM_RATES (SNDRV_PCM_RATE_8000 |\
|
||||
SNDRV_PCM_RATE_16000 |\
|
||||
SNDRV_PCM_RATE_32000 |\
|
||||
SNDRV_PCM_RATE_48000)
|
||||
|
||||
#define MTK_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
|
||||
SNDRV_PCM_FMTBIT_S24_LE |\
|
||||
SNDRV_PCM_FMTBIT_S32_LE)
|
||||
|
||||
static struct snd_soc_dai_driver mtk_dai_pcm_driver[] = {
|
||||
{
|
||||
.name = "PCM 0",
|
||||
.id = MT8189_DAI_PCM_0,
|
||||
.playback = {
|
||||
.stream_name = "PCM 0 Playback",
|
||||
.channels_min = 1,
|
||||
.channels_max = 2,
|
||||
.rates = MTK_PCM_RATES,
|
||||
.formats = MTK_PCM_FORMATS,
|
||||
},
|
||||
.capture = {
|
||||
.stream_name = "PCM 0 Capture",
|
||||
.channels_min = 1,
|
||||
.channels_max = 2,
|
||||
.rates = MTK_PCM_RATES,
|
||||
.formats = MTK_PCM_FORMATS,
|
||||
},
|
||||
.ops = &mtk_dai_pcm_ops,
|
||||
.symmetric_rate = 1,
|
||||
.symmetric_sample_bits = 1,
|
||||
},
|
||||
};
|
||||
|
||||
int mt8189_dai_pcm_register(struct mtk_base_afe *afe)
|
||||
{
|
||||
struct mtk_base_afe_dai *dai;
|
||||
|
||||
dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
|
||||
if (!dai)
|
||||
return -ENOMEM;
|
||||
|
||||
dai->dai_drivers = mtk_dai_pcm_driver;
|
||||
dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_pcm_driver);
|
||||
dai->dapm_widgets = mtk_dai_pcm_widgets;
|
||||
dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_pcm_widgets);
|
||||
dai->dapm_routes = mtk_dai_pcm_routes;
|
||||
dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_pcm_routes);
|
||||
|
||||
list_add(&dai->list, &afe->sub_dais);
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user