// SPDX-License-Identifier: GPL-2.0 // // Mediatek ALSA SoC AFE platform driver for 6797 // // Copyright (c) 2018 MediaTek Inc. // Author: KaiChieh Chuang #include #include #include #include #include #include #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); } #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) static struct snd_soc_dai_driver mt6797_memif_dai_driver[] = { /* 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, }, }; /* 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_soc_dapm_widget mt6797_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("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)), }; static const struct snd_soc_dapm_route mt6797_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"}, {"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"}, }; static const struct snd_soc_component_driver mt6797_afe_pcm_dai_component = { .name = "mt6797-afe-pcm-dai", }; 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_component_probe(struct snd_soc_component *component) { return mtk_afe_add_sub_dai_control(component); } static const struct snd_soc_component_driver mt6797_afe_component = { .name = AFE_PCM_NAME, .ops = &mtk_afe_pcm_ops, .pcm_new = mtk_afe_pcm_new, .pcm_free = mtk_afe_pcm_free, .probe = mt6797_afe_component_probe, }; 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; } /* init sub_dais */ afe->num_sub_dais = MT6797_DAI_NUM; afe->sub_dais = devm_kcalloc(dev, afe->num_sub_dais, sizeof(*afe->sub_dais), GFP_KERNEL); if (!afe->sub_dais) return -ENOMEM; mt6797_dai_adda_register(afe); mt6797_dai_pcm_register(afe); mt6797_dai_hostless_register(afe); afe->sub_dais[MT6797_MEMIF_DL1].dai_drivers = mt6797_memif_dai_driver; afe->sub_dais[MT6797_MEMIF_DL1].num_dai_drivers = ARRAY_SIZE(mt6797_memif_dai_driver); afe->sub_dais[MT6797_MEMIF_DL1].dapm_widgets = mt6797_memif_widgets; afe->sub_dais[MT6797_MEMIF_DL1].num_dapm_widgets = ARRAY_SIZE(mt6797_memif_widgets); afe->sub_dais[MT6797_MEMIF_DL1].dapm_routes = mt6797_memif_routes; afe->sub_dais[MT6797_MEMIF_DL1].num_dapm_routes = ARRAY_SIZE(mt6797_memif_routes); /* init dai_driver and component_driver */ mtk_afe_combine_sub_dai(afe); 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); /* register component */ ret = devm_snd_soc_register_component(dev, &mt6797_afe_component, 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, afe->dai_drivers, afe->num_dai_drivers); 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 "); MODULE_LICENSE("GPL v2");