[alsa-devel] [PATCH v4 3/5] ASoC: mt6797: add mt6797 platform driver

Signed-off-by: KaiChieh Chuang kaichieh.chuang@mediatek.com --- sound/soc/mediatek/mt6797/mt6797-afe-pcm.c | 1241 ++++++++++++++++++++++++++++ 1 file changed, 1241 insertions(+) create mode 100644 sound/soc/mediatek/mt6797/mt6797-afe-pcm.c

diff --git a/sound/soc/mediatek/mt6797/mt6797-afe-pcm.c b/sound/soc/mediatek/mt6797/mt6797-afe-pcm.c new file mode 100644 index 000000000000..2df7ca4e98da --- /dev/null +++ b/sound/soc/mediatek/mt6797/mt6797-afe-pcm.c @@ -0,0 +1,1241 @@ +/* + * Mediatek ALSA SoC AFE platform driver for 6797 + * + * Copyright (c) 2018 MediaTek Inc. + * Author: KaiChieh Chuang kaichieh.chuang@mediatek.com + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/delay.h> +#include <linux/module.h> +#include <linux/mfd/syscon.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/pm_runtime.h> + +#include "mt6797-afe-common.h" +#include "mt6797-afe-clk.h" +#include "mt6797-interconnection.h" +#include "mt6797-reg.h" +#include "../common/mtk-afe-platform-driver.h" +#include "../common/mtk-afe-fe-dai.h" + +enum { + MTK_AFE_RATE_8K = 0, + MTK_AFE_RATE_11K = 1, + MTK_AFE_RATE_12K = 2, + MTK_AFE_RATE_384K = 3, + MTK_AFE_RATE_16K = 4, + MTK_AFE_RATE_22K = 5, + MTK_AFE_RATE_24K = 6, + MTK_AFE_RATE_130K = 7, + MTK_AFE_RATE_32K = 8, + MTK_AFE_RATE_44K = 9, + MTK_AFE_RATE_48K = 10, + MTK_AFE_RATE_88K = 11, + MTK_AFE_RATE_96K = 12, + MTK_AFE_RATE_174K = 13, + MTK_AFE_RATE_192K = 14, + MTK_AFE_RATE_260K = 15, +}; + +enum { + MTK_AFE_DAI_MEMIF_RATE_8K = 0, + MTK_AFE_DAI_MEMIF_RATE_16K = 1, + MTK_AFE_DAI_MEMIF_RATE_32K = 2, +}; + +enum { + MTK_AFE_PCM_RATE_8K = 0, + MTK_AFE_PCM_RATE_16K = 1, + MTK_AFE_PCM_RATE_32K = 2, + MTK_AFE_PCM_RATE_48K = 3, +}; + +unsigned int mt6797_general_rate_transform(struct device *dev, + unsigned int rate) +{ + switch (rate) { + case 8000: + return MTK_AFE_RATE_8K; + case 11025: + return MTK_AFE_RATE_11K; + case 12000: + return MTK_AFE_RATE_12K; + case 16000: + return MTK_AFE_RATE_16K; + case 22050: + return MTK_AFE_RATE_22K; + case 24000: + return MTK_AFE_RATE_24K; + case 32000: + return MTK_AFE_RATE_32K; + case 44100: + return MTK_AFE_RATE_44K; + case 48000: + return MTK_AFE_RATE_48K; + case 88200: + return MTK_AFE_RATE_88K; + case 96000: + return MTK_AFE_RATE_96K; + case 130000: + return MTK_AFE_RATE_130K; + case 176400: + return MTK_AFE_RATE_174K; + case 192000: + return MTK_AFE_RATE_192K; + case 260000: + return MTK_AFE_RATE_260K; + default: + dev_warn(dev, "%s(), rate %u invalid, use %d!!!\n", + __func__, rate, MTK_AFE_RATE_48K); + return MTK_AFE_RATE_48K; + } +} + +static unsigned int dai_memif_rate_transform(struct device *dev, + unsigned int rate) +{ + switch (rate) { + case 8000: + return MTK_AFE_DAI_MEMIF_RATE_8K; + case 16000: + return MTK_AFE_DAI_MEMIF_RATE_16K; + case 32000: + return MTK_AFE_DAI_MEMIF_RATE_32K; + default: + dev_warn(dev, "%s(), rate %u invalid, use %d!!!\n", + __func__, rate, MTK_AFE_DAI_MEMIF_RATE_16K); + return MTK_AFE_DAI_MEMIF_RATE_16K; + } +} + +unsigned int mt6797_rate_transform(struct device *dev, + unsigned int rate, int aud_blk) +{ + switch (aud_blk) { + case MT6797_MEMIF_DAI: + case MT6797_MEMIF_MOD_DAI: + return dai_memif_rate_transform(dev, rate); + default: + return mt6797_general_rate_transform(dev, rate); + } +} + +static const struct snd_pcm_hardware mt6797_afe_hardware = { + .info = SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_MMAP_VALID, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S24_LE | + SNDRV_PCM_FMTBIT_S32_LE, + .period_bytes_min = 256, + .period_bytes_max = 4 * 48 * 1024, + .periods_min = 2, + .periods_max = 256, + .buffer_bytes_max = 8 * 48 * 1024, + .fifo_size = 0, +}; + +static int mt6797_memif_fs(struct snd_pcm_substream *substream, + unsigned int rate) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_component *component = + snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME); + struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component); + int id = rtd->cpu_dai->id; + + return mt6797_rate_transform(afe->dev, rate, id); +} + +static int mt6797_irq_fs(struct snd_pcm_substream *substream, unsigned int rate) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_component *component = + snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME); + struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component); + + return mt6797_general_rate_transform(afe->dev, rate); +} + +/* ADDA BE DAIs */ +enum { + MTK_AFE_ADDA_DL_RATE_8K = 0, + MTK_AFE_ADDA_DL_RATE_11K = 1, + MTK_AFE_ADDA_DL_RATE_12K = 2, + MTK_AFE_ADDA_DL_RATE_16K = 3, + MTK_AFE_ADDA_DL_RATE_22K = 4, + MTK_AFE_ADDA_DL_RATE_24K = 5, + MTK_AFE_ADDA_DL_RATE_32K = 6, + MTK_AFE_ADDA_DL_RATE_44K = 7, + MTK_AFE_ADDA_DL_RATE_48K = 8, + MTK_AFE_ADDA_DL_RATE_96K = 9, + MTK_AFE_ADDA_DL_RATE_192K = 10, +}; + +enum { + MTK_AFE_ADDA_UL_RATE_8K = 0, + MTK_AFE_ADDA_UL_RATE_16K = 1, + MTK_AFE_ADDA_UL_RATE_32K = 2, + MTK_AFE_ADDA_UL_RATE_48K = 3, + MTK_AFE_ADDA_UL_RATE_96K = 4, + MTK_AFE_ADDA_UL_RATE_192K = 5, + MTK_AFE_ADDA_UL_RATE_48K_HD = 6, +}; + +static unsigned int adda_dl_rate_transform(struct mtk_base_afe *afe, + unsigned int rate) +{ + switch (rate) { + case 8000: + return MTK_AFE_ADDA_DL_RATE_8K; + case 11025: + return MTK_AFE_ADDA_DL_RATE_11K; + case 12000: + return MTK_AFE_ADDA_DL_RATE_12K; + case 16000: + return MTK_AFE_ADDA_DL_RATE_16K; + case 22050: + return MTK_AFE_ADDA_DL_RATE_22K; + case 24000: + return MTK_AFE_ADDA_DL_RATE_24K; + case 32000: + return MTK_AFE_ADDA_DL_RATE_32K; + case 44100: + return MTK_AFE_ADDA_DL_RATE_44K; + case 48000: + return MTK_AFE_ADDA_DL_RATE_48K; + case 96000: + return MTK_AFE_ADDA_DL_RATE_96K; + case 192000: + return MTK_AFE_ADDA_DL_RATE_192K; + default: + dev_warn(afe->dev, "%s(), rate %d invalid, use 48kHz!!!\n", + __func__, rate); + return MTK_AFE_ADDA_DL_RATE_48K; + } +} + +static unsigned int adda_ul_rate_transform(struct mtk_base_afe *afe, + unsigned int rate) +{ + switch (rate) { + case 8000: + return MTK_AFE_ADDA_UL_RATE_8K; + case 16000: + return MTK_AFE_ADDA_UL_RATE_16K; + case 32000: + return MTK_AFE_ADDA_UL_RATE_32K; + case 48000: + return MTK_AFE_ADDA_UL_RATE_48K; + case 96000: + return MTK_AFE_ADDA_UL_RATE_96K; + case 192000: + return MTK_AFE_ADDA_UL_RATE_192K; + default: + dev_warn(afe->dev, "%s(), rate %d invalid, use 48kHz!!!\n", + __func__, rate); + return MTK_AFE_ADDA_UL_RATE_48K; + } +} + +static int mtk_dai_adda_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_component *component = + snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME); + struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component); + unsigned int rate = params_rate(params); + + dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %d\n", + __func__, dai->id, substream->stream, rate); + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + unsigned int dl_src2_con0 = 0; + unsigned int dl_src2_con1 = 0; + + /* clean predistortion */ + regmap_write(afe->regmap, AFE_ADDA_PREDIS_CON0, 0); + regmap_write(afe->regmap, AFE_ADDA_PREDIS_CON1, 0); + + /* set input sampling rate */ + dl_src2_con0 = adda_dl_rate_transform(afe, rate) << 28; + + /* set output mode */ + switch (rate) { + case 192000: + dl_src2_con0 |= (0x1 << 24); /* UP_SAMPLING_RATE_X2 */ + dl_src2_con0 |= 1 << 14; + break; + case 96000: + dl_src2_con0 |= (0x2 << 24); /* UP_SAMPLING_RATE_X4 */ + dl_src2_con0 |= 1 << 14; + break; + default: + dl_src2_con0 |= (0x3 << 24); /* UP_SAMPLING_RATE_X8 */ + break; + } + + /* turn off mute function */ + dl_src2_con0 |= (0x03 << 11); + + /* set voice input data if input sample rate is 8k or 16k */ + if (rate == 8000 || rate == 16000) + dl_src2_con0 |= 0x01 << 5; + + if (rate < 96000) { + /* SA suggest apply -0.3db to audio/speech path */ + dl_src2_con1 = 0xf74f0000; + } else { + /* SA suggest apply -0.3db to audio/speech path + * with DL gain set to half, + * 0xFFFF = 0dB -> 0x8000 = 0dB when 96k, 192k + */ + dl_src2_con1 = 0x7ba70000; + } + + /* turn on down-link gain */ + dl_src2_con0 = dl_src2_con0 | (0x01 << 1); + + regmap_write(afe->regmap, AFE_ADDA_DL_SRC2_CON0, dl_src2_con0); + regmap_write(afe->regmap, AFE_ADDA_DL_SRC2_CON1, dl_src2_con1); + } else { + unsigned int voice_mode = 0; + unsigned int ul_src_con0 = 0; /* default value */ + + /* Using Internal ADC */ + regmap_update_bits(afe->regmap, + AFE_ADDA_TOP_CON0, + 0x1 << 0, + 0x0 << 0); + + voice_mode = adda_ul_rate_transform(afe, rate); + + ul_src_con0 |= (voice_mode << 17) & (0x7 << 17); + + /* up8x txif sat on */ + regmap_write(afe->regmap, AFE_ADDA_NEWIF_CFG0, 0x03F87201); + + if (rate >= 96000) { /* hires */ + /* use hires format [1 0 23] */ + regmap_update_bits(afe->regmap, + AFE_ADDA_NEWIF_CFG0, + 0x1 << 5, + 0x1 << 5); + + regmap_update_bits(afe->regmap, + AFE_ADDA_NEWIF_CFG2, + 0xf << 28, + voice_mode << 28); + } else { /* normal 8~48k */ + /* use fixed 260k anc path */ + regmap_update_bits(afe->regmap, + AFE_ADDA_NEWIF_CFG2, + 0xf << 28, + 8 << 28); + + /* ul_use_cic_out */ + ul_src_con0 |= 0x1 << 20; + } + + regmap_update_bits(afe->regmap, + AFE_ADDA_NEWIF_CFG2, + 0xf << 28, + 8 << 28); + + regmap_update_bits(afe->regmap, + AFE_ADDA_UL_SRC_CON0, + 0xfffffffe, + ul_src_con0); + } + + return 0; +} + +static const struct snd_soc_dai_ops mtk_dai_adda_ops = { + .hw_params = mtk_dai_adda_hw_params, +}; + +#define MTK_PCM_RATES (SNDRV_PCM_RATE_8000_48000 |\ + SNDRV_PCM_RATE_88200 |\ + SNDRV_PCM_RATE_96000 |\ + SNDRV_PCM_RATE_176400 |\ + SNDRV_PCM_RATE_192000) + +#define MTK_PCM_DAI_RATES (SNDRV_PCM_RATE_8000 |\ + SNDRV_PCM_RATE_16000 |\ + SNDRV_PCM_RATE_32000) + +#define MTK_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ + SNDRV_PCM_FMTBIT_S24_LE |\ + SNDRV_PCM_FMTBIT_S32_LE) + +#define MTK_ADDA_PLAYBACK_RATES (SNDRV_PCM_RATE_8000_48000 |\ + SNDRV_PCM_RATE_96000 |\ + SNDRV_PCM_RATE_192000) + +#define MTK_ADDA_CAPTURE_RATES (SNDRV_PCM_RATE_8000 |\ + SNDRV_PCM_RATE_16000 |\ + SNDRV_PCM_RATE_32000 |\ + SNDRV_PCM_RATE_48000 |\ + SNDRV_PCM_RATE_96000 |\ + SNDRV_PCM_RATE_192000) + +#define MTK_ADDA_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ + SNDRV_PCM_FMTBIT_S24_LE |\ + SNDRV_PCM_FMTBIT_S32_LE) + +static struct snd_soc_dai_driver mt6797_afe_pcm_dais[] = { + /* FE DAIs: memory intefaces to CPU */ + { + .name = "DL1", + .id = MT6797_MEMIF_DL1, + .playback = { + .stream_name = "DL1", + .channels_min = 1, + .channels_max = 2, + .rates = MTK_PCM_RATES, + .formats = MTK_PCM_FORMATS, + }, + .ops = &mtk_afe_fe_ops, + }, + { + .name = "DL2", + .id = MT6797_MEMIF_DL2, + .playback = { + .stream_name = "DL2", + .channels_min = 1, + .channels_max = 2, + .rates = MTK_PCM_RATES, + .formats = MTK_PCM_FORMATS, + }, + .ops = &mtk_afe_fe_ops, + }, + { + .name = "DL3", + .id = MT6797_MEMIF_DL3, + .playback = { + .stream_name = "DL3", + .channels_min = 1, + .channels_max = 2, + .rates = MTK_PCM_RATES, + .formats = MTK_PCM_FORMATS, + }, + .ops = &mtk_afe_fe_ops, + }, + { + .name = "UL1", + .id = MT6797_MEMIF_VUL12, + .capture = { + .stream_name = "UL1", + .channels_min = 1, + .channels_max = 2, + .rates = MTK_PCM_RATES, + .formats = MTK_PCM_FORMATS, + }, + .ops = &mtk_afe_fe_ops, + }, + { + .name = "UL2", + .id = MT6797_MEMIF_AWB, + .capture = { + .stream_name = "UL2", + .channels_min = 1, + .channels_max = 2, + .rates = MTK_PCM_RATES, + .formats = MTK_PCM_FORMATS, + }, + .ops = &mtk_afe_fe_ops, + }, + { + .name = "UL3", + .id = MT6797_MEMIF_VUL, + .capture = { + .stream_name = "UL3", + .channels_min = 1, + .channels_max = 2, + .rates = MTK_PCM_RATES, + .formats = MTK_PCM_FORMATS, + }, + .ops = &mtk_afe_fe_ops, + }, + { + .name = "UL_MONO_1", + .id = MT6797_MEMIF_MOD_DAI, + .capture = { + .stream_name = "UL_MONO_1", + .channels_min = 1, + .channels_max = 1, + .rates = MTK_PCM_DAI_RATES, + .formats = MTK_PCM_FORMATS, + }, + .ops = &mtk_afe_fe_ops, + }, + { + .name = "UL_MONO_2", + .id = MT6797_MEMIF_DAI, + .capture = { + .stream_name = "UL_MONO_2", + .channels_min = 1, + .channels_max = 1, + .rates = MTK_PCM_DAI_RATES, + .formats = MTK_PCM_FORMATS, + }, + .ops = &mtk_afe_fe_ops, + }, + /* BE DAIs */ + { + .name = "ADDA", + .id = MT6797_DAI_ADDA, + .playback = { + .stream_name = "ADDA Playback", + .channels_min = 1, + .channels_max = 2, + .rates = MTK_ADDA_PLAYBACK_RATES, + .formats = MTK_ADDA_FORMATS, + }, + .capture = { + .stream_name = "ADDA Capture", + .channels_min = 1, + .channels_max = 2, + .rates = MTK_ADDA_CAPTURE_RATES, + .formats = MTK_ADDA_FORMATS, + }, + .ops = &mtk_dai_adda_ops, + }, +}; + +/* dma widget & routes*/ +static const struct snd_kcontrol_new memif_ul1_ch1_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN21, + I_ADDA_UL_CH1, 1, 0), +}; + +static const struct snd_kcontrol_new memif_ul1_ch2_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN22, + I_ADDA_UL_CH2, 1, 0), +}; + +static const struct snd_kcontrol_new memif_ul2_ch1_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN5, + I_ADDA_UL_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN5, + I_DL1_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN5, + I_DL2_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN5, + I_DL3_CH1, 1, 0), +}; + +static const struct snd_kcontrol_new memif_ul2_ch2_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN6, + I_ADDA_UL_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN6, + I_DL1_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN6, + I_DL2_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN6, + I_DL3_CH2, 1, 0), +}; + +static const struct snd_kcontrol_new memif_ul3_ch1_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN9, + I_ADDA_UL_CH1, 1, 0), +}; + +static const struct snd_kcontrol_new memif_ul3_ch2_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN10, + I_ADDA_UL_CH2, 1, 0), +}; + +static const struct snd_kcontrol_new memif_ul_mono_1_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN12, + I_ADDA_UL_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN12, + I_ADDA_UL_CH2, 1, 0), +}; + +static const struct snd_kcontrol_new memif_ul_mono_2_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN11, + I_ADDA_UL_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN11, + I_ADDA_UL_CH2, 1, 0), +}; + +static const struct snd_kcontrol_new mtk_adda_dl_ch1_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN3, I_DL1_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN3, I_DL2_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN3, I_DL3_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN3, + I_ADDA_UL_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN3, + I_ADDA_UL_CH1, 1, 0), +}; + +static const struct snd_kcontrol_new mtk_adda_dl_ch2_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN4, I_DL1_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN4, I_DL1_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN4, I_DL2_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN4, I_DL2_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN4, I_DL3_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN4, I_DL3_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN4, + I_ADDA_UL_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN4, + I_ADDA_UL_CH1, 1, 0), +}; + +static int mtk_adda_ul_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); + + dev_dbg(afe->dev, "%s(), name %s, event 0x%x\n", + __func__, w->name, event); + + switch (event) { + case SND_SOC_DAPM_POST_PMD: + /* should delayed 1/fs(smallest is 8k) = 125us before afe off */ + usleep_range(125, 135); + break; + default: + break; + } + + return 0; +} + +enum { + SUPPLY_SEQ_AUD_TOP_PDN, + SUPPLY_SEQ_ADDA_AFE_ON, + SUPPLY_SEQ_ADDA_DL_ON, + SUPPLY_SEQ_ADDA_UL_ON, +}; + +static const struct snd_soc_dapm_widget mt6797_afe_pcm_widgets[] = { + /* memif */ + SND_SOC_DAPM_MIXER("UL1_CH1", SND_SOC_NOPM, 0, 0, + memif_ul1_ch1_mix, ARRAY_SIZE(memif_ul1_ch1_mix)), + SND_SOC_DAPM_MIXER("UL1_CH2", SND_SOC_NOPM, 0, 0, + memif_ul1_ch2_mix, ARRAY_SIZE(memif_ul1_ch2_mix)), + + SND_SOC_DAPM_MIXER("UL2_CH1", SND_SOC_NOPM, 0, 0, + memif_ul2_ch1_mix, ARRAY_SIZE(memif_ul2_ch1_mix)), + SND_SOC_DAPM_MIXER("UL2_CH2", SND_SOC_NOPM, 0, 0, + memif_ul2_ch2_mix, ARRAY_SIZE(memif_ul2_ch2_mix)), + + SND_SOC_DAPM_MIXER("UL3_CH1", SND_SOC_NOPM, 0, 0, + memif_ul3_ch1_mix, ARRAY_SIZE(memif_ul3_ch1_mix)), + SND_SOC_DAPM_MIXER("UL3_CH2", SND_SOC_NOPM, 0, 0, + memif_ul3_ch2_mix, ARRAY_SIZE(memif_ul3_ch2_mix)), + + SND_SOC_DAPM_MIXER("UL_MONO_1_CH1", SND_SOC_NOPM, 0, 0, + memif_ul_mono_1_mix, + ARRAY_SIZE(memif_ul_mono_1_mix)), + + SND_SOC_DAPM_MIXER("UL_MONO_2_CH1", SND_SOC_NOPM, 0, 0, + memif_ul_mono_2_mix, + ARRAY_SIZE(memif_ul_mono_2_mix)), + + /* adda */ + SND_SOC_DAPM_MIXER("ADDA_DL_CH1", SND_SOC_NOPM, 0, 0, + mtk_adda_dl_ch1_mix, + ARRAY_SIZE(mtk_adda_dl_ch1_mix)), + SND_SOC_DAPM_MIXER("ADDA_DL_CH2", SND_SOC_NOPM, 0, 0, + mtk_adda_dl_ch2_mix, + ARRAY_SIZE(mtk_adda_dl_ch2_mix)), + + SND_SOC_DAPM_SUPPLY_S("ADDA Enable", SUPPLY_SEQ_ADDA_AFE_ON, + AFE_ADDA_UL_DL_CON0, ADDA_AFE_ON_SFT, 0, + NULL, 0), + + SND_SOC_DAPM_SUPPLY_S("ADDA Playback Enable", SUPPLY_SEQ_ADDA_DL_ON, + AFE_ADDA_DL_SRC2_CON0, + DL_2_SRC_ON_TMP_CTL_PRE_SFT, 0, + NULL, 0), + + SND_SOC_DAPM_SUPPLY_S("ADDA Capture Enable", SUPPLY_SEQ_ADDA_UL_ON, + AFE_ADDA_UL_SRC_CON0, + UL_SRC_ON_TMP_CTL_SFT, 0, + mtk_adda_ul_event, + SND_SOC_DAPM_POST_PMD), + + SND_SOC_DAPM_SUPPLY_S("aud_dac_clk", SUPPLY_SEQ_AUD_TOP_PDN, + AUDIO_TOP_CON0, PDN_DAC_SFT, 1, + NULL, 0), + SND_SOC_DAPM_SUPPLY_S("aud_dac_predis_clk", SUPPLY_SEQ_AUD_TOP_PDN, + AUDIO_TOP_CON0, PDN_DAC_PREDIS_SFT, 1, + NULL, 0), + + SND_SOC_DAPM_SUPPLY_S("aud_adc_clk", SUPPLY_SEQ_AUD_TOP_PDN, + AUDIO_TOP_CON0, PDN_ADC_SFT, 1, + NULL, 0), + + SND_SOC_DAPM_CLOCK_SUPPLY("mtkaif_26m_clk"), +}; + +static const struct snd_soc_dapm_route mt6797_afe_pcm_routes[] = { + /* capture */ + {"UL1", NULL, "UL1_CH1"}, + {"UL1", NULL, "UL1_CH2"}, + {"UL1_CH1", "ADDA_UL_CH1", "ADDA Capture"}, + {"UL1_CH2", "ADDA_UL_CH2", "ADDA Capture"}, + + {"UL2", NULL, "UL2_CH1"}, + {"UL2", NULL, "UL2_CH2"}, + {"UL2_CH1", "ADDA_UL_CH1", "ADDA Capture"}, + {"UL2_CH2", "ADDA_UL_CH2", "ADDA Capture"}, + + {"UL3", NULL, "UL3_CH1"}, + {"UL3", NULL, "UL3_CH2"}, + {"UL3_CH1", "ADDA_UL_CH1", "ADDA Capture"}, + {"UL3_CH2", "ADDA_UL_CH2", "ADDA Capture"}, + + {"UL_MONO_1", NULL, "UL_MONO_1_CH1"}, + {"UL_MONO_1_CH1", "ADDA_UL_CH1", "ADDA Capture"}, + {"UL_MONO_1_CH1", "ADDA_UL_CH2", "ADDA Capture"}, + + {"UL_MONO_2", NULL, "UL_MONO_2_CH1"}, + {"UL_MONO_2_CH1", "ADDA_UL_CH1", "ADDA Capture"}, + {"UL_MONO_2_CH1", "ADDA_UL_CH2", "ADDA Capture"}, + + /* playback */ + {"ADDA_DL_CH1", "DL1_CH1", "DL1"}, + {"ADDA_DL_CH2", "DL1_CH1", "DL1"}, + {"ADDA_DL_CH2", "DL1_CH2", "DL1"}, + + {"ADDA_DL_CH1", "DL2_CH1", "DL2"}, + {"ADDA_DL_CH2", "DL2_CH1", "DL2"}, + {"ADDA_DL_CH2", "DL2_CH2", "DL2"}, + + {"ADDA_DL_CH1", "DL3_CH1", "DL3"}, + {"ADDA_DL_CH2", "DL3_CH1", "DL3"}, + {"ADDA_DL_CH2", "DL3_CH2", "DL3"}, + + {"ADDA Playback", NULL, "ADDA_DL_CH1"}, + {"ADDA Playback", NULL, "ADDA_DL_CH2"}, + + /* adda enable */ + {"ADDA Playback", NULL, "ADDA Enable"}, + {"ADDA Playback", NULL, "ADDA Playback Enable"}, + {"ADDA Capture", NULL, "ADDA Enable"}, + {"ADDA Capture", NULL, "ADDA Capture Enable"}, + + /* clk */ + {"ADDA Playback", NULL, "mtkaif_26m_clk"}, + {"ADDA Playback", NULL, "aud_dac_clk"}, + {"ADDA Playback", NULL, "aud_dac_predis_clk"}, + + {"ADDA Capture", NULL, "mtkaif_26m_clk"}, + {"ADDA Capture", NULL, "aud_adc_clk"}, +}; + +static const struct snd_soc_component_driver mt6797_afe_pcm_dai_component = { + .name = "mt6797-afe-pcm-dai", + .dapm_widgets = mt6797_afe_pcm_widgets, + .num_dapm_widgets = ARRAY_SIZE(mt6797_afe_pcm_widgets), + .dapm_routes = mt6797_afe_pcm_routes, + .num_dapm_routes = ARRAY_SIZE(mt6797_afe_pcm_routes), +}; + +static const struct mtk_base_memif_data memif_data[MT6797_MEMIF_NUM] = { + [MT6797_MEMIF_DL1] = { + .name = "DL1", + .id = MT6797_MEMIF_DL1, + .reg_ofs_base = AFE_DL1_BASE, + .reg_ofs_cur = AFE_DL1_CUR, + .fs_reg = AFE_DAC_CON1, + .fs_shift = DL1_MODE_SFT, + .fs_maskbit = DL1_MODE_MASK, + .mono_reg = AFE_DAC_CON1, + .mono_shift = DL1_DATA_SFT, + .enable_reg = AFE_DAC_CON0, + .enable_shift = DL1_ON_SFT, + .hd_reg = AFE_MEMIF_HD_MODE, + .hd_shift = DL1_HD_SFT, + .agent_disable_reg = -1, + .agent_disable_shift = -1, + .msb_reg = -1, + .msb_shift = -1, + }, + [MT6797_MEMIF_DL2] = { + .name = "DL2", + .id = MT6797_MEMIF_DL2, + .reg_ofs_base = AFE_DL2_BASE, + .reg_ofs_cur = AFE_DL2_CUR, + .fs_reg = AFE_DAC_CON1, + .fs_shift = DL2_MODE_SFT, + .fs_maskbit = DL2_MODE_MASK, + .mono_reg = AFE_DAC_CON1, + .mono_shift = DL2_DATA_SFT, + .enable_reg = AFE_DAC_CON0, + .enable_shift = DL2_ON_SFT, + .hd_reg = AFE_MEMIF_HD_MODE, + .hd_shift = DL2_HD_SFT, + .agent_disable_reg = -1, + .agent_disable_shift = -1, + .msb_reg = -1, + .msb_shift = -1, + }, + [MT6797_MEMIF_DL3] = { + .name = "DL3", + .id = MT6797_MEMIF_DL3, + .reg_ofs_base = AFE_DL3_BASE, + .reg_ofs_cur = AFE_DL3_CUR, + .fs_reg = AFE_DAC_CON0, + .fs_shift = DL3_MODE_SFT, + .fs_maskbit = DL3_MODE_MASK, + .mono_reg = AFE_DAC_CON1, + .mono_shift = DL3_DATA_SFT, + .enable_reg = AFE_DAC_CON0, + .enable_shift = DL3_ON_SFT, + .hd_reg = AFE_MEMIF_HD_MODE, + .hd_shift = DL3_HD_SFT, + .agent_disable_reg = -1, + .agent_disable_shift = -1, + .msb_reg = -1, + .msb_shift = -1, + }, + [MT6797_MEMIF_VUL] = { + .name = "VUL", + .id = MT6797_MEMIF_VUL, + .reg_ofs_base = AFE_VUL_BASE, + .reg_ofs_cur = AFE_VUL_CUR, + .fs_reg = AFE_DAC_CON1, + .fs_shift = VUL_MODE_SFT, + .fs_maskbit = VUL_MODE_MASK, + .mono_reg = AFE_DAC_CON1, + .mono_shift = VUL_DATA_SFT, + .enable_reg = AFE_DAC_CON0, + .enable_shift = VUL_ON_SFT, + .hd_reg = AFE_MEMIF_HD_MODE, + .hd_shift = VUL_HD_SFT, + .agent_disable_reg = -1, + .agent_disable_shift = -1, + .msb_reg = -1, + .msb_shift = -1, + }, + [MT6797_MEMIF_AWB] = { + .name = "AWB", + .id = MT6797_MEMIF_AWB, + .reg_ofs_base = AFE_AWB_BASE, + .reg_ofs_cur = AFE_AWB_CUR, + .fs_reg = AFE_DAC_CON1, + .fs_shift = AWB_MODE_SFT, + .fs_maskbit = AWB_MODE_MASK, + .mono_reg = AFE_DAC_CON1, + .mono_shift = AWB_DATA_SFT, + .enable_reg = AFE_DAC_CON0, + .enable_shift = AWB_ON_SFT, + .hd_reg = AFE_MEMIF_HD_MODE, + .hd_shift = AWB_HD_SFT, + .agent_disable_reg = -1, + .agent_disable_shift = -1, + .msb_reg = -1, + .msb_shift = -1, + }, + [MT6797_MEMIF_VUL12] = { + .name = "VUL12", + .id = MT6797_MEMIF_VUL12, + .reg_ofs_base = AFE_VUL_D2_BASE, + .reg_ofs_cur = AFE_VUL_D2_CUR, + .fs_reg = AFE_DAC_CON0, + .fs_shift = VUL_DATA2_MODE_SFT, + .fs_maskbit = VUL_DATA2_MODE_MASK, + .mono_reg = AFE_DAC_CON0, + .mono_shift = VUL_DATA2_DATA_SFT, + .enable_reg = AFE_DAC_CON0, + .enable_shift = VUL_DATA2_ON_SFT, + .hd_reg = AFE_MEMIF_HD_MODE, + .hd_shift = VUL_DATA2_HD_SFT, + .agent_disable_reg = -1, + .agent_disable_shift = -1, + .msb_reg = -1, + .msb_shift = -1, + }, + [MT6797_MEMIF_DAI] = { + .name = "DAI", + .id = MT6797_MEMIF_DAI, + .reg_ofs_base = AFE_DAI_BASE, + .reg_ofs_cur = AFE_DAI_CUR, + .fs_reg = AFE_DAC_CON0, + .fs_shift = DAI_MODE_SFT, + .fs_maskbit = DAI_MODE_MASK, + .mono_reg = -1, + .mono_shift = 0, + .enable_reg = AFE_DAC_CON0, + .enable_shift = DAI_ON_SFT, + .hd_reg = AFE_MEMIF_HD_MODE, + .hd_shift = DAI_HD_SFT, + .agent_disable_reg = -1, + .agent_disable_shift = -1, + .msb_reg = -1, + .msb_shift = -1, + }, + [MT6797_MEMIF_MOD_DAI] = { + .name = "MOD_DAI", + .id = MT6797_MEMIF_MOD_DAI, + .reg_ofs_base = AFE_MOD_DAI_BASE, + .reg_ofs_cur = AFE_MOD_DAI_CUR, + .fs_reg = AFE_DAC_CON1, + .fs_shift = MOD_DAI_MODE_SFT, + .fs_maskbit = MOD_DAI_MODE_MASK, + .mono_reg = -1, + .mono_shift = 0, + .enable_reg = AFE_DAC_CON0, + .enable_shift = MOD_DAI_ON_SFT, + .hd_reg = AFE_MEMIF_HD_MODE, + .hd_shift = MOD_DAI_HD_SFT, + .agent_disable_reg = -1, + .agent_disable_shift = -1, + .msb_reg = -1, + .msb_shift = -1, + }, +}; + +static const struct mtk_base_irq_data irq_data[MT6797_IRQ_NUM] = { + [MT6797_IRQ_1] = { + .id = MT6797_IRQ_1, + .irq_cnt_reg = AFE_IRQ_MCU_CNT1, + .irq_cnt_shift = AFE_IRQ_MCU_CNT1_SFT, + .irq_cnt_maskbit = AFE_IRQ_MCU_CNT1_MASK, + .irq_fs_reg = AFE_IRQ_MCU_CON, + .irq_fs_shift = IRQ1_MCU_MODE_SFT, + .irq_fs_maskbit = IRQ1_MCU_MODE_MASK, + .irq_en_reg = AFE_IRQ_MCU_CON, + .irq_en_shift = IRQ1_MCU_ON_SFT, + .irq_clr_reg = AFE_IRQ_MCU_CLR, + .irq_clr_shift = IRQ1_MCU_CLR_SFT, + }, + [MT6797_IRQ_2] = { + .id = MT6797_IRQ_2, + .irq_cnt_reg = AFE_IRQ_MCU_CNT2, + .irq_cnt_shift = AFE_IRQ_MCU_CNT2_SFT, + .irq_cnt_maskbit = AFE_IRQ_MCU_CNT2_MASK, + .irq_fs_reg = AFE_IRQ_MCU_CON, + .irq_fs_shift = IRQ2_MCU_MODE_SFT, + .irq_fs_maskbit = IRQ2_MCU_MODE_MASK, + .irq_en_reg = AFE_IRQ_MCU_CON, + .irq_en_shift = IRQ2_MCU_ON_SFT, + .irq_clr_reg = AFE_IRQ_MCU_CLR, + .irq_clr_shift = IRQ2_MCU_CLR_SFT, + }, + [MT6797_IRQ_3] = { + .id = MT6797_IRQ_3, + .irq_cnt_reg = AFE_IRQ_MCU_CNT3, + .irq_cnt_shift = AFE_IRQ_MCU_CNT3_SFT, + .irq_cnt_maskbit = AFE_IRQ_MCU_CNT3_MASK, + .irq_fs_reg = AFE_IRQ_MCU_CON, + .irq_fs_shift = IRQ3_MCU_MODE_SFT, + .irq_fs_maskbit = IRQ3_MCU_MODE_MASK, + .irq_en_reg = AFE_IRQ_MCU_CON, + .irq_en_shift = IRQ3_MCU_ON_SFT, + .irq_clr_reg = AFE_IRQ_MCU_CLR, + .irq_clr_shift = IRQ3_MCU_CLR_SFT, + }, + [MT6797_IRQ_4] = { + .id = MT6797_IRQ_4, + .irq_cnt_reg = AFE_IRQ_MCU_CNT4, + .irq_cnt_shift = AFE_IRQ_MCU_CNT4_SFT, + .irq_cnt_maskbit = AFE_IRQ_MCU_CNT4_MASK, + .irq_fs_reg = AFE_IRQ_MCU_CON, + .irq_fs_shift = IRQ4_MCU_MODE_SFT, + .irq_fs_maskbit = IRQ4_MCU_MODE_MASK, + .irq_en_reg = AFE_IRQ_MCU_CON, + .irq_en_shift = IRQ4_MCU_ON_SFT, + .irq_clr_reg = AFE_IRQ_MCU_CLR, + .irq_clr_shift = IRQ4_MCU_CLR_SFT, + }, + [MT6797_IRQ_7] = { + .id = MT6797_IRQ_7, + .irq_cnt_reg = AFE_IRQ_MCU_CNT7, + .irq_cnt_shift = AFE_IRQ_MCU_CNT7_SFT, + .irq_cnt_maskbit = AFE_IRQ_MCU_CNT7_MASK, + .irq_fs_reg = AFE_IRQ_MCU_CON, + .irq_fs_shift = IRQ7_MCU_MODE_SFT, + .irq_fs_maskbit = IRQ7_MCU_MODE_MASK, + .irq_en_reg = AFE_IRQ_MCU_CON, + .irq_en_shift = IRQ7_MCU_ON_SFT, + .irq_clr_reg = AFE_IRQ_MCU_CLR, + .irq_clr_shift = IRQ7_MCU_CLR_SFT, + }, +}; + +static const struct regmap_config mt6797_afe_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = AFE_MAX_REGISTER, +}; + +static irqreturn_t mt6797_afe_irq_handler(int irq_id, void *dev) +{ + struct mtk_base_afe *afe = dev; + struct mtk_base_afe_irq *irq; + unsigned int status; + unsigned int mcu_en; + int ret; + int i; + irqreturn_t irq_ret = IRQ_HANDLED; + + /* get irq that is sent to MCU */ + regmap_read(afe->regmap, AFE_IRQ_MCU_EN, &mcu_en); + + ret = regmap_read(afe->regmap, AFE_IRQ_MCU_STATUS, &status); + if (ret || (status & mcu_en) == 0) { + dev_err(afe->dev, "%s(), irq status err, ret %d, status 0x%x, mcu_en 0x%x\n", + __func__, ret, status, mcu_en); + + /* only clear IRQ which is sent to MCU */ + status = mcu_en & AFE_IRQ_STATUS_BITS; + + irq_ret = IRQ_NONE; + goto err_irq; + } + + for (i = 0; i < MT6797_MEMIF_NUM; i++) { + struct mtk_base_afe_memif *memif = &afe->memif[i]; + + if (!memif->substream) + continue; + + irq = &afe->irqs[memif->irq_usage]; + + if (status & (1 << irq->irq_data->irq_en_shift)) + snd_pcm_period_elapsed(memif->substream); + } + +err_irq: + /* clear irq */ + regmap_write(afe->regmap, + AFE_IRQ_MCU_CLR, + status & AFE_IRQ_STATUS_BITS); + + return irq_ret; +} + +static int mt6797_afe_runtime_suspend(struct device *dev) +{ + struct mtk_base_afe *afe = dev_get_drvdata(dev); + unsigned int afe_on_retm; + int retry = 0; + + /* disable AFE */ + regmap_update_bits(afe->regmap, AFE_DAC_CON0, AFE_ON_MASK_SFT, 0x0); + do { + regmap_read(afe->regmap, AFE_DAC_CON0, &afe_on_retm); + if ((afe_on_retm & AFE_ON_RETM_MASK_SFT) == 0) + break; + + udelay(10); + } while (++retry < 100000); + + if (retry) + dev_warn(afe->dev, "%s(), retry %d\n", __func__, retry); + + /* make sure all irq status are cleared */ + regmap_update_bits(afe->regmap, AFE_IRQ_MCU_CLR, 0xffff, 0xffff); + + return mt6797_afe_disable_clock(afe); +} + +static int mt6797_afe_runtime_resume(struct device *dev) +{ + struct mtk_base_afe *afe = dev_get_drvdata(dev); + int ret; + + ret = mt6797_afe_enable_clock(afe); + if (ret) + return ret; + + /* irq signal to mcu only */ + regmap_write(afe->regmap, AFE_IRQ_MCU_EN, AFE_IRQ_MCU_EN_MASK_SFT); + + /* force all memif use normal mode */ + regmap_update_bits(afe->regmap, AFE_MEMIF_HDALIGN, + 0x7ff << 16, 0x7ff << 16); + /* force cpu use normal mode when access sram data */ + regmap_update_bits(afe->regmap, AFE_MEMIF_MSB, + CPU_COMPACT_MODE_MASK_SFT, 0); + /* force cpu use 8_24 format when writing 32bit data */ + regmap_update_bits(afe->regmap, AFE_MEMIF_MSB, + CPU_HD_ALIGN_MASK_SFT, 0); + + /* set all output port to 24bit */ + regmap_update_bits(afe->regmap, AFE_CONN_24BIT, + 0x3fffffff, 0x3fffffff); + + /* enable AFE */ + regmap_update_bits(afe->regmap, AFE_DAC_CON0, + AFE_ON_MASK_SFT, + 0x1 << AFE_ON_SFT); + + return 0; +} + +static int mt6797_afe_pcm_dev_probe(struct platform_device *pdev) +{ + struct mtk_base_afe *afe; + struct mt6797_afe_private *afe_priv; + struct resource *res; + struct device *dev; + int i, irq_id, ret; + + afe = devm_kzalloc(&pdev->dev, sizeof(*afe), GFP_KERNEL); + if (!afe) + return -ENOMEM; + + afe->platform_priv = devm_kzalloc(&pdev->dev, sizeof(*afe_priv), + GFP_KERNEL); + if (!afe->platform_priv) + return -ENOMEM; + + afe_priv = afe->platform_priv; + afe->dev = &pdev->dev; + dev = afe->dev; + + /* initial audio related clock */ + ret = mt6797_init_clock(afe); + if (ret) { + dev_err(dev, "init clock error\n"); + return ret; + } + + /* regmap init */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + + afe->base_addr = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(afe->base_addr)) + return PTR_ERR(afe->base_addr); + + afe->regmap = devm_regmap_init_mmio(&pdev->dev, afe->base_addr, + &mt6797_afe_regmap_config); + if (IS_ERR(afe->regmap)) + return PTR_ERR(afe->regmap); + + /* init memif */ + afe->memif_size = MT6797_MEMIF_NUM; + afe->memif = devm_kcalloc(dev, afe->memif_size, sizeof(*afe->memif), + GFP_KERNEL); + if (!afe->memif) + return -ENOMEM; + + for (i = 0; i < afe->memif_size; i++) { + afe->memif[i].data = &memif_data[i]; + afe->memif[i].irq_usage = -1; + } + + mutex_init(&afe->irq_alloc_lock); + + /* irq initialize */ + afe->irqs_size = MT6797_IRQ_NUM; + afe->irqs = devm_kcalloc(dev, afe->irqs_size, sizeof(*afe->irqs), + GFP_KERNEL); + if (!afe->irqs) + return -ENOMEM; + + for (i = 0; i < afe->irqs_size; i++) + afe->irqs[i].irq_data = &irq_data[i]; + + /* request irq */ + irq_id = platform_get_irq(pdev, 0); + if (!irq_id) { + dev_err(dev, "%s no irq found\n", dev->of_node->name); + return -ENXIO; + } + ret = devm_request_irq(dev, irq_id, mt6797_afe_irq_handler, + IRQF_TRIGGER_NONE, "asys-isr", (void *)afe); + if (ret) { + dev_err(dev, "could not request_irq for asys-isr\n"); + return ret; + } + + afe->mtk_afe_hardware = &mt6797_afe_hardware; + afe->memif_fs = mt6797_memif_fs; + afe->irq_fs = mt6797_irq_fs; + + afe->runtime_resume = mt6797_afe_runtime_resume; + afe->runtime_suspend = mt6797_afe_runtime_suspend; + + platform_set_drvdata(pdev, afe); + + pm_runtime_enable(dev); + if (!pm_runtime_enabled(dev)) + goto err_pm_disable; + pm_runtime_get_sync(&pdev->dev); + + ret = devm_snd_soc_register_component(dev, &mtk_afe_pcm_platform, + NULL, 0); + if (ret) { + dev_warn(dev, "err_platform\n"); + goto err_pm_disable; + } + + ret = devm_snd_soc_register_component(afe->dev, + &mt6797_afe_pcm_dai_component, + mt6797_afe_pcm_dais, + ARRAY_SIZE(mt6797_afe_pcm_dais)); + if (ret) { + dev_warn(dev, "err_dai_component\n"); + goto err_pm_disable; + } + + return 0; + +err_pm_disable: + pm_runtime_disable(dev); + + return ret; +} + +static int mt6797_afe_pcm_dev_remove(struct platform_device *pdev) +{ + pm_runtime_disable(&pdev->dev); + if (!pm_runtime_status_suspended(&pdev->dev)) + mt6797_afe_runtime_suspend(&pdev->dev); + pm_runtime_put_sync(&pdev->dev); + + return 0; +} + +static const struct of_device_id mt6797_afe_pcm_dt_match[] = { + { .compatible = "mediatek,mt6797-audio", }, + {}, +}; +MODULE_DEVICE_TABLE(of, mt6797_afe_pcm_dt_match); + +static const struct dev_pm_ops mt6797_afe_pm_ops = { + SET_RUNTIME_PM_OPS(mt6797_afe_runtime_suspend, + mt6797_afe_runtime_resume, NULL) +}; + +static struct platform_driver mt6797_afe_pcm_driver = { + .driver = { + .name = "mt6797-audio", + .of_match_table = mt6797_afe_pcm_dt_match, +#ifdef CONFIG_PM + .pm = &mt6797_afe_pm_ops, +#endif + }, + .probe = mt6797_afe_pcm_dev_probe, + .remove = mt6797_afe_pcm_dev_remove, +}; + +module_platform_driver(mt6797_afe_pcm_driver); + +MODULE_DESCRIPTION("Mediatek ALSA SoC AFE platform driver for 6797"); +MODULE_AUTHOR("KaiChieh Chuang kaichieh.chuang@mediatek.com"); +MODULE_LICENSE("GPL v2");