// SPDX-License-Identifier: GPL-2.0 // // Mediatek ALSA SoC AFE platform driver for 8183 // // Copyright (c) 2018 MediaTek Inc. // Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com> #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 <linux/reset.h> #include "mt8183-afe-common.h" #include "mt8183-afe-clk.h" #include "mt8183-interconnection.h" #include "mt8183-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_176K = 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, MTK_AFE_DAI_MEMIF_RATE_48K = 3, }; 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 mt8183_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_176K; 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; case 48000: return MTK_AFE_DAI_MEMIF_RATE_48K; 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 mt8183_rate_transform(struct device *dev, unsigned int rate, int aud_blk) { switch (aud_blk) { case MT8183_MEMIF_MOD_DAI: return dai_memif_rate_transform(dev, rate); default: return mt8183_general_rate_transform(dev, rate); } } static const struct snd_pcm_hardware mt8183_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 mt8183_memif_fs(struct snd_pcm_substream *substream, unsigned int rate) { struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 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 = asoc_rtd_to_cpu(rtd, 0)->id; return mt8183_rate_transform(afe->dev, rate, id); } static int mt8183_irq_fs(struct snd_pcm_substream *substream, unsigned int rate) { struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 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 mt8183_general_rate_transform(afe->dev, rate); } #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 |\ 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 mt8183_memif_dai_driver[] = { /* FE DAIs: memory intefaces to CPU */ { .name = "DL1", .id = MT8183_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 = MT8183_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 = MT8183_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 = MT8183_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 = MT8183_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 = MT8183_MEMIF_VUL2, .capture = { .stream_name = "UL3", .channels_min = 1, .channels_max = 2, .rates = MTK_PCM_RATES, .formats = MTK_PCM_FORMATS, }, .ops = &mtk_afe_fe_ops, }, { .name = "UL4", .id = MT8183_MEMIF_AWB2, .capture = { .stream_name = "UL4", .channels_min = 1, .channels_max = 2, .rates = MTK_PCM_RATES, .formats = MTK_PCM_FORMATS, }, .ops = &mtk_afe_fe_ops, }, { .name = "UL_MONO_1", .id = MT8183_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 = "HDMI", .id = MT8183_MEMIF_HDMI, .playback = { .stream_name = "HDMI", .channels_min = 2, .channels_max = 8, .rates = MTK_PCM_RATES, .formats = MTK_PCM_FORMATS, }, .ops = &mtk_afe_fe_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), SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH1", AFE_CONN21, I_I2S0_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), SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH2", AFE_CONN21, I_I2S0_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), SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH1", AFE_CONN5, I_I2S2_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), SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH2", AFE_CONN6, I_I2S2_CH2, 1, 0), }; static const struct snd_kcontrol_new memif_ul3_ch1_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN32, I_ADDA_UL_CH1, 1, 0), SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH1", AFE_CONN32, I_I2S2_CH1, 1, 0), }; static const struct snd_kcontrol_new memif_ul3_ch2_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN33, I_ADDA_UL_CH2, 1, 0), SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH2", AFE_CONN33, I_I2S2_CH2, 1, 0), }; static const struct snd_kcontrol_new memif_ul4_ch1_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN38, I_ADDA_UL_CH1, 1, 0), }; static const struct snd_kcontrol_new memif_ul4_ch2_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN39, 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_soc_dapm_widget mt8183_memif_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("UL4_CH1", SND_SOC_NOPM, 0, 0, memif_ul4_ch1_mix, ARRAY_SIZE(memif_ul4_ch1_mix)), SND_SOC_DAPM_MIXER("UL4_CH2", SND_SOC_NOPM, 0, 0, memif_ul4_ch2_mix, ARRAY_SIZE(memif_ul4_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)), }; static const struct snd_soc_dapm_route mt8183_memif_routes[] = { /* capture */ {"UL1", NULL, "UL1_CH1"}, {"UL1", NULL, "UL1_CH2"}, {"UL1_CH1", "ADDA_UL_CH1", "ADDA Capture"}, {"UL1_CH2", "ADDA_UL_CH2", "ADDA Capture"}, {"UL1_CH1", "I2S0_CH1", "I2S0"}, {"UL1_CH2", "I2S0_CH2", "I2S0"}, {"UL2", NULL, "UL2_CH1"}, {"UL2", NULL, "UL2_CH2"}, {"UL2_CH1", "ADDA_UL_CH1", "ADDA Capture"}, {"UL2_CH2", "ADDA_UL_CH2", "ADDA Capture"}, {"UL2_CH1", "I2S2_CH1", "I2S2"}, {"UL2_CH2", "I2S2_CH2", "I2S2"}, {"UL3", NULL, "UL3_CH1"}, {"UL3", NULL, "UL3_CH2"}, {"UL3_CH1", "ADDA_UL_CH1", "ADDA Capture"}, {"UL3_CH2", "ADDA_UL_CH2", "ADDA Capture"}, {"UL3_CH1", "I2S2_CH1", "I2S2"}, {"UL3_CH2", "I2S2_CH2", "I2S2"}, {"UL4", NULL, "UL4_CH1"}, {"UL4", NULL, "UL4_CH2"}, {"UL4_CH1", "ADDA_UL_CH1", "ADDA Capture"}, {"UL4_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"}, }; static const struct snd_soc_component_driver mt8183_afe_pcm_dai_component = { .name = "mt8183-afe-pcm-dai", }; static const struct mtk_base_memif_data memif_data[MT8183_MEMIF_NUM] = { [MT8183_MEMIF_DL1] = { .name = "DL1", .id = MT8183_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_align_reg = AFE_MEMIF_HDALIGN, .hd_shift = DL1_HD_SFT, .hd_align_mshift = DL1_HD_ALIGN_SFT, .agent_disable_reg = -1, .agent_disable_shift = -1, .msb_reg = -1, .msb_shift = -1, }, [MT8183_MEMIF_DL2] = { .name = "DL2", .id = MT8183_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_align_reg = AFE_MEMIF_HDALIGN, .hd_shift = DL2_HD_SFT, .hd_align_mshift = DL2_HD_ALIGN_SFT, .agent_disable_reg = -1, .agent_disable_shift = -1, .msb_reg = -1, .msb_shift = -1, }, [MT8183_MEMIF_DL3] = { .name = "DL3", .id = MT8183_MEMIF_DL3, .reg_ofs_base = AFE_DL3_BASE, .reg_ofs_cur = AFE_DL3_CUR, .fs_reg = AFE_DAC_CON2, .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_align_reg = AFE_MEMIF_HDALIGN, .hd_shift = DL3_HD_SFT, .hd_align_mshift = DL3_HD_ALIGN_SFT, .agent_disable_reg = -1, .agent_disable_shift = -1, .msb_reg = -1, .msb_shift = -1, }, [MT8183_MEMIF_VUL2] = { .name = "VUL2", .id = MT8183_MEMIF_VUL2, .reg_ofs_base = AFE_VUL2_BASE, .reg_ofs_cur = AFE_VUL2_CUR, .fs_reg = AFE_DAC_CON2, .fs_shift = VUL2_MODE_SFT, .fs_maskbit = VUL2_MODE_MASK, .mono_reg = AFE_DAC_CON2, .mono_shift = VUL2_DATA_SFT, .enable_reg = AFE_DAC_CON0, .enable_shift = VUL2_ON_SFT, .hd_reg = AFE_MEMIF_HD_MODE, .hd_align_reg = AFE_MEMIF_HDALIGN, .hd_shift = VUL2_HD_SFT, .hd_align_mshift = VUL2_HD_ALIGN_SFT, .agent_disable_reg = -1, .agent_disable_shift = -1, .msb_reg = -1, .msb_shift = -1, }, [MT8183_MEMIF_AWB] = { .name = "AWB", .id = MT8183_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_align_reg = AFE_MEMIF_HDALIGN, .hd_shift = AWB_HD_SFT, .hd_align_mshift = AWB_HD_ALIGN_SFT, .agent_disable_reg = -1, .agent_disable_shift = -1, .msb_reg = -1, .msb_shift = -1, }, [MT8183_MEMIF_AWB2] = { .name = "AWB2", .id = MT8183_MEMIF_AWB2, .reg_ofs_base = AFE_AWB2_BASE, .reg_ofs_cur = AFE_AWB2_CUR, .fs_reg = AFE_DAC_CON2, .fs_shift = AWB2_MODE_SFT, .fs_maskbit = AWB2_MODE_MASK, .mono_reg = AFE_DAC_CON2, .mono_shift = AWB2_DATA_SFT, .enable_reg = AFE_DAC_CON0, .enable_shift = AWB2_ON_SFT, .hd_reg = AFE_MEMIF_HD_MODE, .hd_align_reg = AFE_MEMIF_HDALIGN, .hd_shift = AWB2_HD_SFT, .hd_align_mshift = AWB2_ALIGN_SFT, .agent_disable_reg = -1, .agent_disable_shift = -1, .msb_reg = -1, .msb_shift = -1, }, [MT8183_MEMIF_VUL12] = { .name = "VUL12", .id = MT8183_MEMIF_VUL12, .reg_ofs_base = AFE_VUL_D2_BASE, .reg_ofs_cur = AFE_VUL_D2_CUR, .fs_reg = AFE_DAC_CON0, .fs_shift = VUL12_MODE_SFT, .fs_maskbit = VUL12_MODE_MASK, .mono_reg = AFE_DAC_CON0, .mono_shift = VUL12_MONO_SFT, .enable_reg = AFE_DAC_CON0, .enable_shift = VUL12_ON_SFT, .hd_reg = AFE_MEMIF_HD_MODE, .hd_align_reg = AFE_MEMIF_HDALIGN, .hd_shift = VUL12_HD_SFT, .hd_align_mshift = VUL12_HD_ALIGN_SFT, .agent_disable_reg = -1, .agent_disable_shift = -1, .msb_reg = -1, .msb_shift = -1, }, [MT8183_MEMIF_MOD_DAI] = { .name = "MOD_DAI", .id = MT8183_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_align_reg = AFE_MEMIF_HDALIGN, .hd_shift = MOD_DAI_HD_SFT, .hd_align_mshift = MOD_DAI_HD_ALIGN_SFT, .agent_disable_reg = -1, .agent_disable_shift = -1, .msb_reg = -1, .msb_shift = -1, }, [MT8183_MEMIF_HDMI] = { .name = "HDMI", .id = MT8183_MEMIF_HDMI, .reg_ofs_base = AFE_HDMI_OUT_BASE, .reg_ofs_cur = AFE_HDMI_OUT_CUR, .fs_reg = -1, .fs_shift = -1, .fs_maskbit = -1, .mono_reg = -1, .mono_shift = -1, .enable_reg = -1, /* control in tdm for sync start */ .enable_shift = -1, .hd_reg = AFE_MEMIF_HD_MODE, .hd_align_reg = AFE_MEMIF_HDALIGN, .hd_shift = HDMI_HD_SFT, .hd_align_mshift = HDMI_HD_ALIGN_SFT, .agent_disable_reg = -1, .agent_disable_shift = -1, .msb_reg = -1, .msb_shift = -1, }, }; static const struct mtk_base_irq_data irq_data[MT8183_IRQ_NUM] = { [MT8183_IRQ_0] = { .id = MT8183_IRQ_0, .irq_cnt_reg = AFE_IRQ_MCU_CNT0, .irq_cnt_shift = 0, .irq_cnt_maskbit = 0x3ffff, .irq_fs_reg = AFE_IRQ_MCU_CON1, .irq_fs_shift = IRQ0_MCU_MODE_SFT, .irq_fs_maskbit = IRQ0_MCU_MODE_MASK, .irq_en_reg = AFE_IRQ_MCU_CON0, .irq_en_shift = IRQ0_MCU_ON_SFT, .irq_clr_reg = AFE_IRQ_MCU_CLR, .irq_clr_shift = IRQ0_MCU_CLR_SFT, }, [MT8183_IRQ_1] = { .id = MT8183_IRQ_1, .irq_cnt_reg = AFE_IRQ_MCU_CNT1, .irq_cnt_shift = 0, .irq_cnt_maskbit = 0x3ffff, .irq_fs_reg = AFE_IRQ_MCU_CON1, .irq_fs_shift = IRQ1_MCU_MODE_SFT, .irq_fs_maskbit = IRQ1_MCU_MODE_MASK, .irq_en_reg = AFE_IRQ_MCU_CON0, .irq_en_shift = IRQ1_MCU_ON_SFT, .irq_clr_reg = AFE_IRQ_MCU_CLR, .irq_clr_shift = IRQ1_MCU_CLR_SFT, }, [MT8183_IRQ_2] = { .id = MT8183_IRQ_2, .irq_cnt_reg = AFE_IRQ_MCU_CNT2, .irq_cnt_shift = 0, .irq_cnt_maskbit = 0x3ffff, .irq_fs_reg = AFE_IRQ_MCU_CON1, .irq_fs_shift = IRQ2_MCU_MODE_SFT, .irq_fs_maskbit = IRQ2_MCU_MODE_MASK, .irq_en_reg = AFE_IRQ_MCU_CON0, .irq_en_shift = IRQ2_MCU_ON_SFT, .irq_clr_reg = AFE_IRQ_MCU_CLR, .irq_clr_shift = IRQ2_MCU_CLR_SFT, }, [MT8183_IRQ_3] = { .id = MT8183_IRQ_3, .irq_cnt_reg = AFE_IRQ_MCU_CNT3, .irq_cnt_shift = 0, .irq_cnt_maskbit = 0x3ffff, .irq_fs_reg = AFE_IRQ_MCU_CON1, .irq_fs_shift = IRQ3_MCU_MODE_SFT, .irq_fs_maskbit = IRQ3_MCU_MODE_MASK, .irq_en_reg = AFE_IRQ_MCU_CON0, .irq_en_shift = IRQ3_MCU_ON_SFT, .irq_clr_reg = AFE_IRQ_MCU_CLR, .irq_clr_shift = IRQ3_MCU_CLR_SFT, }, [MT8183_IRQ_4] = { .id = MT8183_IRQ_4, .irq_cnt_reg = AFE_IRQ_MCU_CNT4, .irq_cnt_shift = 0, .irq_cnt_maskbit = 0x3ffff, .irq_fs_reg = AFE_IRQ_MCU_CON1, .irq_fs_shift = IRQ4_MCU_MODE_SFT, .irq_fs_maskbit = IRQ4_MCU_MODE_MASK, .irq_en_reg = AFE_IRQ_MCU_CON0, .irq_en_shift = IRQ4_MCU_ON_SFT, .irq_clr_reg = AFE_IRQ_MCU_CLR, .irq_clr_shift = IRQ4_MCU_CLR_SFT, }, [MT8183_IRQ_5] = { .id = MT8183_IRQ_5, .irq_cnt_reg = AFE_IRQ_MCU_CNT5, .irq_cnt_shift = 0, .irq_cnt_maskbit = 0x3ffff, .irq_fs_reg = AFE_IRQ_MCU_CON1, .irq_fs_shift = IRQ5_MCU_MODE_SFT, .irq_fs_maskbit = IRQ5_MCU_MODE_MASK, .irq_en_reg = AFE_IRQ_MCU_CON0, .irq_en_shift = IRQ5_MCU_ON_SFT, .irq_clr_reg = AFE_IRQ_MCU_CLR, .irq_clr_shift = IRQ5_MCU_CLR_SFT, }, [MT8183_IRQ_6] = { .id = MT8183_IRQ_6, .irq_cnt_reg = AFE_IRQ_MCU_CNT6, .irq_cnt_shift = 0, .irq_cnt_maskbit = 0x3ffff, .irq_fs_reg = AFE_IRQ_MCU_CON1, .irq_fs_shift = IRQ6_MCU_MODE_SFT, .irq_fs_maskbit = IRQ6_MCU_MODE_MASK, .irq_en_reg = AFE_IRQ_MCU_CON0, .irq_en_shift = IRQ6_MCU_ON_SFT, .irq_clr_reg = AFE_IRQ_MCU_CLR, .irq_clr_shift = IRQ6_MCU_CLR_SFT, }, [MT8183_IRQ_7] = { .id = MT8183_IRQ_7, .irq_cnt_reg = AFE_IRQ_MCU_CNT7, .irq_cnt_shift = 0, .irq_cnt_maskbit = 0x3ffff, .irq_fs_reg = AFE_IRQ_MCU_CON1, .irq_fs_shift = IRQ7_MCU_MODE_SFT, .irq_fs_maskbit = IRQ7_MCU_MODE_MASK, .irq_en_reg = AFE_IRQ_MCU_CON0, .irq_en_shift = IRQ7_MCU_ON_SFT, .irq_clr_reg = AFE_IRQ_MCU_CLR, .irq_clr_shift = IRQ7_MCU_CLR_SFT, }, [MT8183_IRQ_8] = { .id = MT8183_IRQ_8, .irq_cnt_reg = AFE_IRQ_MCU_CNT8, .irq_cnt_shift = 0, .irq_cnt_maskbit = 0x3ffff, .irq_fs_reg = -1, .irq_fs_shift = -1, .irq_fs_maskbit = -1, .irq_en_reg = AFE_IRQ_MCU_CON0, .irq_en_shift = IRQ8_MCU_ON_SFT, .irq_clr_reg = AFE_IRQ_MCU_CLR, .irq_clr_shift = IRQ8_MCU_CLR_SFT, }, [MT8183_IRQ_11] = { .id = MT8183_IRQ_11, .irq_cnt_reg = AFE_IRQ_MCU_CNT11, .irq_cnt_shift = 0, .irq_cnt_maskbit = 0x3ffff, .irq_fs_reg = AFE_IRQ_MCU_CON2, .irq_fs_shift = IRQ11_MCU_MODE_SFT, .irq_fs_maskbit = IRQ11_MCU_MODE_MASK, .irq_en_reg = AFE_IRQ_MCU_CON0, .irq_en_shift = IRQ11_MCU_ON_SFT, .irq_clr_reg = AFE_IRQ_MCU_CLR, .irq_clr_shift = IRQ11_MCU_CLR_SFT, }, [MT8183_IRQ_12] = { .id = MT8183_IRQ_12, .irq_cnt_reg = AFE_IRQ_MCU_CNT12, .irq_cnt_shift = 0, .irq_cnt_maskbit = 0x3ffff, .irq_fs_reg = AFE_IRQ_MCU_CON2, .irq_fs_shift = IRQ12_MCU_MODE_SFT, .irq_fs_maskbit = IRQ12_MCU_MODE_MASK, .irq_en_reg = AFE_IRQ_MCU_CON0, .irq_en_shift = IRQ12_MCU_ON_SFT, .irq_clr_reg = AFE_IRQ_MCU_CLR, .irq_clr_shift = IRQ12_MCU_CLR_SFT, }, }; static bool mt8183_is_volatile_reg(struct device *dev, unsigned int reg) { /* these auto-gen reg has read-only bit, so put it as volatile */ /* volatile reg cannot be cached, so cannot be set when power off */ switch (reg) { case AUDIO_TOP_CON0: /* reg bit controlled by CCF */ case AUDIO_TOP_CON1: /* reg bit controlled by CCF */ case AUDIO_TOP_CON3: case AFE_DL1_CUR: case AFE_DL1_END: case AFE_DL2_CUR: case AFE_DL2_END: case AFE_AWB_END: case AFE_AWB_CUR: case AFE_VUL_END: case AFE_VUL_CUR: case AFE_MEMIF_MON0: case AFE_MEMIF_MON1: case AFE_MEMIF_MON2: case AFE_MEMIF_MON3: case AFE_MEMIF_MON4: case AFE_MEMIF_MON5: case AFE_MEMIF_MON6: case AFE_MEMIF_MON7: case AFE_MEMIF_MON8: case AFE_MEMIF_MON9: case AFE_ADDA_SRC_DEBUG_MON0: case AFE_ADDA_SRC_DEBUG_MON1: case AFE_ADDA_UL_SRC_MON0: case AFE_ADDA_UL_SRC_MON1: case AFE_SIDETONE_MON: case AFE_SIDETONE_CON0: case AFE_SIDETONE_COEFF: case AFE_BUS_MON0: case AFE_MRGIF_MON0: case AFE_MRGIF_MON1: case AFE_MRGIF_MON2: case AFE_I2S_MON: case AFE_DAC_MON: case AFE_VUL2_END: case AFE_VUL2_CUR: case AFE_IRQ0_MCU_CNT_MON: case AFE_IRQ6_MCU_CNT_MON: case AFE_MOD_DAI_END: case AFE_MOD_DAI_CUR: case AFE_VUL_D2_END: case AFE_VUL_D2_CUR: case AFE_DL3_CUR: case AFE_DL3_END: case AFE_HDMI_OUT_CON0: case AFE_HDMI_OUT_CUR: case AFE_HDMI_OUT_END: case AFE_IRQ3_MCU_CNT_MON: case AFE_IRQ4_MCU_CNT_MON: case AFE_IRQ_MCU_STATUS: case AFE_IRQ_MCU_CLR: case AFE_IRQ_MCU_MON2: case AFE_IRQ1_MCU_CNT_MON: case AFE_IRQ2_MCU_CNT_MON: case AFE_IRQ1_MCU_EN_CNT_MON: case AFE_IRQ5_MCU_CNT_MON: case AFE_IRQ7_MCU_CNT_MON: case AFE_GAIN1_CUR: case AFE_GAIN2_CUR: case AFE_SRAM_DELSEL_CON0: case AFE_SRAM_DELSEL_CON2: case AFE_SRAM_DELSEL_CON3: case AFE_ASRC_2CH_CON12: case AFE_ASRC_2CH_CON13: case PCM_INTF_CON2: case FPGA_CFG0: case FPGA_CFG1: case FPGA_CFG2: case FPGA_CFG3: case AUDIO_TOP_DBG_MON0: case AUDIO_TOP_DBG_MON1: case AFE_IRQ8_MCU_CNT_MON: case AFE_IRQ11_MCU_CNT_MON: case AFE_IRQ12_MCU_CNT_MON: case AFE_CBIP_MON0: case AFE_CBIP_SLV_MUX_MON0: case AFE_CBIP_SLV_DECODER_MON0: case AFE_ADDA6_SRC_DEBUG_MON0: case AFE_ADD6A_UL_SRC_MON0: case AFE_ADDA6_UL_SRC_MON1: case AFE_DL1_CUR_MSB: case AFE_DL2_CUR_MSB: case AFE_AWB_CUR_MSB: case AFE_VUL_CUR_MSB: case AFE_VUL2_CUR_MSB: case AFE_MOD_DAI_CUR_MSB: case AFE_VUL_D2_CUR_MSB: case AFE_DL3_CUR_MSB: case AFE_HDMI_OUT_CUR_MSB: case AFE_AWB2_END: case AFE_AWB2_CUR: case AFE_AWB2_CUR_MSB: case AFE_ADDA_DL_SDM_FIFO_MON: case AFE_ADDA_DL_SRC_LCH_MON: case AFE_ADDA_DL_SRC_RCH_MON: case AFE_ADDA_DL_SDM_OUT_MON: case AFE_CONNSYS_I2S_MON: case AFE_ASRC_2CH_CON0: case AFE_ASRC_2CH_CON2: case AFE_ASRC_2CH_CON3: case AFE_ASRC_2CH_CON4: case AFE_ASRC_2CH_CON5: case AFE_ASRC_2CH_CON7: case AFE_ASRC_2CH_CON8: case AFE_MEMIF_MON12: case AFE_MEMIF_MON13: case AFE_MEMIF_MON14: case AFE_MEMIF_MON15: case AFE_MEMIF_MON16: case AFE_MEMIF_MON17: case AFE_MEMIF_MON18: case AFE_MEMIF_MON19: case AFE_MEMIF_MON20: case AFE_MEMIF_MON21: case AFE_MEMIF_MON22: case AFE_MEMIF_MON23: case AFE_MEMIF_MON24: case AFE_ADDA_MTKAIF_MON0: case AFE_ADDA_MTKAIF_MON1: case AFE_AUD_PAD_TOP: case AFE_GENERAL1_ASRC_2CH_CON0: case AFE_GENERAL1_ASRC_2CH_CON2: case AFE_GENERAL1_ASRC_2CH_CON3: case AFE_GENERAL1_ASRC_2CH_CON4: case AFE_GENERAL1_ASRC_2CH_CON5: case AFE_GENERAL1_ASRC_2CH_CON7: case AFE_GENERAL1_ASRC_2CH_CON8: case AFE_GENERAL1_ASRC_2CH_CON12: case AFE_GENERAL1_ASRC_2CH_CON13: case AFE_GENERAL2_ASRC_2CH_CON0: case AFE_GENERAL2_ASRC_2CH_CON2: case AFE_GENERAL2_ASRC_2CH_CON3: case AFE_GENERAL2_ASRC_2CH_CON4: case AFE_GENERAL2_ASRC_2CH_CON5: case AFE_GENERAL2_ASRC_2CH_CON7: case AFE_GENERAL2_ASRC_2CH_CON8: case AFE_GENERAL2_ASRC_2CH_CON12: case AFE_GENERAL2_ASRC_2CH_CON13: return true; default: return false; }; } static const struct regmap_config mt8183_afe_regmap_config = { .reg_bits = 32, .reg_stride = 4, .val_bits = 32, .volatile_reg = mt8183_is_volatile_reg, .max_register = AFE_MAX_REGISTER, .num_reg_defaults_raw = AFE_MAX_REGISTER, .cache_type = REGCACHE_FLAT, }; static irqreturn_t mt8183_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 status_mcu; 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); /* only care IRQ which is sent to MCU */ status_mcu = status & mcu_en & AFE_IRQ_STATUS_BITS; if (ret || status_mcu == 0) { dev_err(afe->dev, "%s(), irq status err, ret %d, status 0x%x, mcu_en 0x%x\n", __func__, ret, status, mcu_en); irq_ret = IRQ_NONE; goto err_irq; } for (i = 0; i < MT8183_MEMIF_NUM; i++) { struct mtk_base_afe_memif *memif = &afe->memif[i]; if (!memif->substream) continue; if (memif->irq_usage < 0) continue; irq = &afe->irqs[memif->irq_usage]; if (status_mcu & (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_mcu); return irq_ret; } static int mt8183_afe_runtime_suspend(struct device *dev) { struct mtk_base_afe *afe = dev_get_drvdata(dev); struct mt8183_afe_private *afe_priv = afe->platform_priv; unsigned int value; int ret; if (!afe->regmap || afe_priv->pm_runtime_bypass_reg_ctl) goto skip_regmap; /* disable AFE */ regmap_update_bits(afe->regmap, AFE_DAC_CON0, AFE_ON_MASK_SFT, 0x0); ret = regmap_read_poll_timeout(afe->regmap, AFE_DAC_MON, value, (value & AFE_ON_RETM_MASK_SFT) == 0, 20, 1 * 1000 * 1000); if (ret) dev_warn(afe->dev, "%s(), ret %d\n", __func__, ret); /* make sure all irq status are cleared, twice intended */ regmap_update_bits(afe->regmap, AFE_IRQ_MCU_CLR, 0xffff, 0xffff); regmap_update_bits(afe->regmap, AFE_IRQ_MCU_CLR, 0xffff, 0xffff); /* cache only */ regcache_cache_only(afe->regmap, true); regcache_mark_dirty(afe->regmap); skip_regmap: return mt8183_afe_disable_clock(afe); } static int mt8183_afe_runtime_resume(struct device *dev) { struct mtk_base_afe *afe = dev_get_drvdata(dev); struct mt8183_afe_private *afe_priv = afe->platform_priv; int ret; ret = mt8183_afe_enable_clock(afe); if (ret) return ret; if (!afe->regmap || afe_priv->pm_runtime_bypass_reg_ctl) goto skip_regmap; regcache_cache_only(afe->regmap, false); regcache_sync(afe->regmap); /* enable audio sys DCM for power saving */ regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, 0x1 << 29, 0x1 << 29); /* force cpu use 8_24 format when writing 32bit data */ regmap_update_bits(afe->regmap, AFE_MEMIF_MSB, CPU_HD_ALIGN_MASK_SFT, 0 << CPU_HD_ALIGN_SFT); /* set all output port to 24bit */ regmap_write(afe->regmap, AFE_CONN_24BIT, 0xffffffff); regmap_write(afe->regmap, AFE_CONN_24BIT_1, 0xffffffff); /* enable AFE */ regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0x1); skip_regmap: return 0; } static int mt8183_afe_component_probe(struct snd_soc_component *component) { return mtk_afe_add_sub_dai_control(component); } static const struct snd_soc_component_driver mt8183_afe_component = { .name = AFE_PCM_NAME, .probe = mt8183_afe_component_probe, .pointer = mtk_afe_pcm_pointer, .pcm_construct = mtk_afe_pcm_new, }; static int mt8183_dai_memif_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; list_add(&dai->list, &afe->sub_dais); dai->dai_drivers = mt8183_memif_dai_driver; dai->num_dai_drivers = ARRAY_SIZE(mt8183_memif_dai_driver); dai->dapm_widgets = mt8183_memif_widgets; dai->num_dapm_widgets = ARRAY_SIZE(mt8183_memif_widgets); dai->dapm_routes = mt8183_memif_routes; dai->num_dapm_routes = ARRAY_SIZE(mt8183_memif_routes); return 0; } typedef int (*dai_register_cb)(struct mtk_base_afe *); static const dai_register_cb dai_register_cbs[] = { mt8183_dai_adda_register, mt8183_dai_i2s_register, mt8183_dai_pcm_register, mt8183_dai_tdm_register, mt8183_dai_hostless_register, mt8183_dai_memif_register, }; static int mt8183_afe_pcm_dev_probe(struct platform_device *pdev) { struct mtk_base_afe *afe; struct mt8183_afe_private *afe_priv; struct device *dev; struct reset_control *rstc; int i, irq_id, ret; afe = devm_kzalloc(&pdev->dev, sizeof(*afe), GFP_KERNEL); if (!afe) return -ENOMEM; platform_set_drvdata(pdev, afe); 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 = mt8183_init_clock(afe); if (ret) { dev_err(dev, "init clock error\n"); return ret; } pm_runtime_enable(dev); /* regmap init */ afe->regmap = syscon_node_to_regmap(dev->parent->of_node); if (IS_ERR(afe->regmap)) { dev_err(dev, "could not get regmap from parent\n"); ret = PTR_ERR(afe->regmap); goto err_pm_disable; } ret = regmap_attach_dev(dev, afe->regmap, &mt8183_afe_regmap_config); if (ret) { dev_warn(dev, "regmap_attach_dev fail, ret %d\n", ret); goto err_pm_disable; } rstc = devm_reset_control_get(dev, "audiosys"); if (IS_ERR(rstc)) { ret = PTR_ERR(rstc); dev_err(dev, "could not get audiosys reset:%d\n", ret); goto err_pm_disable; } ret = reset_control_reset(rstc); if (ret) { dev_err(dev, "failed to trigger audio reset:%d\n", ret); goto err_pm_disable; } /* enable clock for regcache get default value from hw */ afe_priv->pm_runtime_bypass_reg_ctl = true; pm_runtime_get_sync(&pdev->dev); ret = regmap_reinit_cache(afe->regmap, &mt8183_afe_regmap_config); if (ret) { dev_err(dev, "regmap_reinit_cache fail, ret %d\n", ret); goto err_pm_disable; } pm_runtime_put_sync(&pdev->dev); afe_priv->pm_runtime_bypass_reg_ctl = false; regcache_cache_only(afe->regmap, true); regcache_mark_dirty(afe->regmap); /* init memif */ afe->memif_size = MT8183_MEMIF_NUM; afe->memif = devm_kcalloc(dev, afe->memif_size, sizeof(*afe->memif), GFP_KERNEL); if (!afe->memif) { ret = -ENOMEM; goto err_pm_disable; } for (i = 0; i < afe->memif_size; i++) { afe->memif[i].data = &memif_data[i]; afe->memif[i].irq_usage = -1; } afe->memif[MT8183_MEMIF_HDMI].irq_usage = MT8183_IRQ_8; afe->memif[MT8183_MEMIF_HDMI].const_irq = 1; mutex_init(&afe->irq_alloc_lock); /* init memif */ /* irq initialize */ afe->irqs_size = MT8183_IRQ_NUM; afe->irqs = devm_kcalloc(dev, afe->irqs_size, sizeof(*afe->irqs), GFP_KERNEL); if (!afe->irqs) { ret = -ENOMEM; goto err_pm_disable; } 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 < 0) { ret = irq_id; goto err_pm_disable; } ret = devm_request_irq(dev, irq_id, mt8183_afe_irq_handler, IRQF_TRIGGER_NONE, "asys-isr", (void *)afe); if (ret) { dev_err(dev, "could not request_irq for asys-isr\n"); goto err_pm_disable; } /* init sub_dais */ INIT_LIST_HEAD(&afe->sub_dais); for (i = 0; i < ARRAY_SIZE(dai_register_cbs); i++) { ret = dai_register_cbs[i](afe); if (ret) { dev_warn(afe->dev, "dai register i %d fail, ret %d\n", i, ret); goto err_pm_disable; } } /* init dai_driver and component_driver */ ret = mtk_afe_combine_sub_dai(afe); if (ret) { dev_warn(afe->dev, "mtk_afe_combine_sub_dai fail, ret %d\n", ret); goto err_pm_disable; } afe->mtk_afe_hardware = &mt8183_afe_hardware; afe->memif_fs = mt8183_memif_fs; afe->irq_fs = mt8183_irq_fs; afe->runtime_resume = mt8183_afe_runtime_resume; afe->runtime_suspend = mt8183_afe_runtime_suspend; /* register component */ ret = devm_snd_soc_register_component(&pdev->dev, &mt8183_afe_component, NULL, 0); if (ret) { dev_warn(dev, "err_platform\n"); goto err_pm_disable; } ret = devm_snd_soc_register_component(afe->dev, &mt8183_afe_pcm_dai_component, afe->dai_drivers, afe->num_dai_drivers); if (ret) { dev_warn(dev, "err_dai_component\n"); goto err_pm_disable; } return ret; err_pm_disable: pm_runtime_disable(&pdev->dev); return ret; } static void mt8183_afe_pcm_dev_remove(struct platform_device *pdev) { pm_runtime_disable(&pdev->dev); if (!pm_runtime_status_suspended(&pdev->dev)) mt8183_afe_runtime_suspend(&pdev->dev); } static const struct of_device_id mt8183_afe_pcm_dt_match[] = { { .compatible = "mediatek,mt8183-audio", }, {}, }; MODULE_DEVICE_TABLE(of, mt8183_afe_pcm_dt_match); static const struct dev_pm_ops mt8183_afe_pm_ops = { SET_RUNTIME_PM_OPS(mt8183_afe_runtime_suspend, mt8183_afe_runtime_resume, NULL) }; static struct platform_driver mt8183_afe_pcm_driver = { .driver = { .name = "mt8183-audio", .of_match_table = mt8183_afe_pcm_dt_match, .pm = &mt8183_afe_pm_ops, }, .probe = mt8183_afe_pcm_dev_probe, .remove_new = mt8183_afe_pcm_dev_remove, }; module_platform_driver(mt8183_afe_pcm_driver); MODULE_DESCRIPTION("Mediatek ALSA SoC AFE platform driver for 8183"); MODULE_AUTHOR("KaiChieh Chuang <kaichieh.chuang@mediatek.com>"); MODULE_LICENSE("GPL v2");