// SPDX-License-Identifier: GPL-2.0 /* * Mediatek ALSA SoC AFE platform driver for 2701 * * Copyright (c) 2016 MediaTek Inc. * Author: Garlic Tseng * Ir Lian * Ryder Lee */ #include #include #include #include #include #include "mt2701-afe-common.h" #include "mt2701-afe-clock-ctrl.h" #include "../common/mtk-afe-platform-driver.h" #include "../common/mtk-afe-fe-dai.h" static const struct snd_pcm_hardware mt2701_afe_hardware = { .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE, .period_bytes_min = 1024, .period_bytes_max = 1024 * 256, .periods_min = 4, .periods_max = 1024, .buffer_bytes_max = 1024 * 1024, .fifo_size = 0, }; struct mt2701_afe_rate { unsigned int rate; unsigned int regvalue; }; static const struct mt2701_afe_rate mt2701_afe_i2s_rates[] = { { .rate = 8000, .regvalue = 0 }, { .rate = 12000, .regvalue = 1 }, { .rate = 16000, .regvalue = 2 }, { .rate = 24000, .regvalue = 3 }, { .rate = 32000, .regvalue = 4 }, { .rate = 48000, .regvalue = 5 }, { .rate = 96000, .regvalue = 6 }, { .rate = 192000, .regvalue = 7 }, { .rate = 384000, .regvalue = 8 }, { .rate = 7350, .regvalue = 16 }, { .rate = 11025, .regvalue = 17 }, { .rate = 14700, .regvalue = 18 }, { .rate = 22050, .regvalue = 19 }, { .rate = 29400, .regvalue = 20 }, { .rate = 44100, .regvalue = 21 }, { .rate = 88200, .regvalue = 22 }, { .rate = 176400, .regvalue = 23 }, { .rate = 352800, .regvalue = 24 }, }; static const unsigned int mt2701_afe_backup_list[] = { AUDIO_TOP_CON0, AUDIO_TOP_CON4, AUDIO_TOP_CON5, ASYS_TOP_CON, AFE_CONN0, AFE_CONN1, AFE_CONN2, AFE_CONN3, AFE_CONN15, AFE_CONN16, AFE_CONN17, AFE_CONN18, AFE_CONN19, AFE_CONN20, AFE_CONN21, AFE_CONN22, AFE_DAC_CON0, AFE_MEMIF_PBUF_SIZE, }; static int mt2701_dai_num_to_i2s(struct mtk_base_afe *afe, int num) { struct mt2701_afe_private *afe_priv = afe->platform_priv; int val = num - MT2701_IO_I2S; if (val < 0 || val >= afe_priv->soc->i2s_num) { dev_err(afe->dev, "%s, num not available, num %d, val %d\n", __func__, num, val); return -EINVAL; } return val; } static int mt2701_afe_i2s_fs(unsigned int sample_rate) { int i; for (i = 0; i < ARRAY_SIZE(mt2701_afe_i2s_rates); i++) if (mt2701_afe_i2s_rates[i].rate == sample_rate) return mt2701_afe_i2s_rates[i].regvalue; return -EINVAL; } static int mt2701_afe_i2s_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); struct mt2701_afe_private *afe_priv = afe->platform_priv; int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id); bool mode = afe_priv->soc->has_one_heart_mode; if (i2s_num < 0) return i2s_num; return mt2701_afe_enable_mclk(afe, mode ? 1 : i2s_num); } static int mt2701_afe_i2s_path_disable(struct mtk_base_afe *afe, struct mt2701_i2s_path *i2s_path, int stream_dir) { const struct mt2701_i2s_data *i2s_data = i2s_path->i2s_data[stream_dir]; if (--i2s_path->on[stream_dir] < 0) i2s_path->on[stream_dir] = 0; if (i2s_path->on[stream_dir]) return 0; /* disable i2s */ regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg, ASYS_I2S_CON_I2S_EN, 0); mt2701_afe_disable_i2s(afe, i2s_path, stream_dir); return 0; } static void mt2701_afe_i2s_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); struct mt2701_afe_private *afe_priv = afe->platform_priv; int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id); struct mt2701_i2s_path *i2s_path; bool mode = afe_priv->soc->has_one_heart_mode; if (i2s_num < 0) return; i2s_path = &afe_priv->i2s_path[i2s_num]; if (i2s_path->occupied[substream->stream]) i2s_path->occupied[substream->stream] = 0; else goto exit; mt2701_afe_i2s_path_disable(afe, i2s_path, substream->stream); /* need to disable i2s-out path when disable i2s-in */ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) mt2701_afe_i2s_path_disable(afe, i2s_path, !substream->stream); exit: /* disable mclk */ mt2701_afe_disable_mclk(afe, mode ? 1 : i2s_num); } static int mt2701_i2s_path_enable(struct mtk_base_afe *afe, struct mt2701_i2s_path *i2s_path, int stream_dir, int rate) { const struct mt2701_i2s_data *i2s_data = i2s_path->i2s_data[stream_dir]; struct mt2701_afe_private *afe_priv = afe->platform_priv; int reg, fs, w_len = 1; /* now we support bck 64bits only */ unsigned int mask, val; /* no need to enable if already done */ if (++i2s_path->on[stream_dir] != 1) return 0; fs = mt2701_afe_i2s_fs(rate); mask = ASYS_I2S_CON_FS | ASYS_I2S_CON_I2S_COUPLE_MODE | /* 0 */ ASYS_I2S_CON_I2S_MODE | ASYS_I2S_CON_WIDE_MODE; val = ASYS_I2S_CON_FS_SET(fs) | ASYS_I2S_CON_I2S_MODE | ASYS_I2S_CON_WIDE_MODE_SET(w_len); if (stream_dir == SNDRV_PCM_STREAM_CAPTURE) { mask |= ASYS_I2S_IN_PHASE_FIX; val |= ASYS_I2S_IN_PHASE_FIX; reg = ASMI_TIMING_CON1; } else { if (afe_priv->soc->has_one_heart_mode) { mask |= ASYS_I2S_CON_ONE_HEART_MODE; val |= ASYS_I2S_CON_ONE_HEART_MODE; } reg = ASMO_TIMING_CON1; } regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg, mask, val); regmap_update_bits(afe->regmap, reg, i2s_data->i2s_asrc_fs_mask << i2s_data->i2s_asrc_fs_shift, fs << i2s_data->i2s_asrc_fs_shift); /* enable i2s */ mt2701_afe_enable_i2s(afe, i2s_path, stream_dir); /* reset i2s hw status before enable */ regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg, ASYS_I2S_CON_RESET, ASYS_I2S_CON_RESET); udelay(1); regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg, ASYS_I2S_CON_RESET, 0); udelay(1); regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg, ASYS_I2S_CON_I2S_EN, ASYS_I2S_CON_I2S_EN); return 0; } static int mt2701_afe_i2s_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); struct mt2701_afe_private *afe_priv = afe->platform_priv; int ret, i2s_num = mt2701_dai_num_to_i2s(afe, dai->id); struct mt2701_i2s_path *i2s_path; bool mode = afe_priv->soc->has_one_heart_mode; if (i2s_num < 0) return i2s_num; i2s_path = &afe_priv->i2s_path[i2s_num]; if (i2s_path->occupied[substream->stream]) return -EBUSY; ret = mt2701_mclk_configuration(afe, mode ? 1 : i2s_num); if (ret) return ret; i2s_path->occupied[substream->stream] = 1; /* need to enable i2s-out path when enable i2s-in */ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) mt2701_i2s_path_enable(afe, i2s_path, !substream->stream, substream->runtime->rate); mt2701_i2s_path_enable(afe, i2s_path, substream->stream, substream->runtime->rate); return 0; } static int mt2701_afe_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); struct mt2701_afe_private *afe_priv = afe->platform_priv; int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id); bool mode = afe_priv->soc->has_one_heart_mode; if (i2s_num < 0) return i2s_num; /* mclk */ if (dir == SND_SOC_CLOCK_IN) { dev_warn(dai->dev, "The SoCs doesn't support mclk input\n"); return -EINVAL; } afe_priv->i2s_path[mode ? 1 : i2s_num].mclk_rate = freq; return 0; } static int mt2701_btmrg_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); struct mt2701_afe_private *afe_priv = afe->platform_priv; int ret; ret = mt2701_enable_btmrg_clk(afe); if (ret) return ret; afe_priv->mrg_enable[substream->stream] = 1; return 0; } static int mt2701_btmrg_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); int stream_fs; u32 val, msk; stream_fs = params_rate(params); if (stream_fs != 8000 && stream_fs != 16000) { dev_err(afe->dev, "unsupported rate %d\n", stream_fs); return -EINVAL; } regmap_update_bits(afe->regmap, AFE_MRGIF_CON, AFE_MRGIF_CON_I2S_MODE_MASK, AFE_MRGIF_CON_I2S_MODE_32K); val = AFE_DAIBT_CON0_BT_FUNC_EN | AFE_DAIBT_CON0_BT_FUNC_RDY | AFE_DAIBT_CON0_MRG_USE; msk = val; if (stream_fs == 16000) val |= AFE_DAIBT_CON0_BT_WIDE_MODE_EN; msk |= AFE_DAIBT_CON0_BT_WIDE_MODE_EN; regmap_update_bits(afe->regmap, AFE_DAIBT_CON0, msk, val); regmap_update_bits(afe->regmap, AFE_DAIBT_CON0, AFE_DAIBT_CON0_DAIBT_EN, AFE_DAIBT_CON0_DAIBT_EN); regmap_update_bits(afe->regmap, AFE_MRGIF_CON, AFE_MRGIF_CON_MRG_I2S_EN, AFE_MRGIF_CON_MRG_I2S_EN); regmap_update_bits(afe->regmap, AFE_MRGIF_CON, AFE_MRGIF_CON_MRG_EN, AFE_MRGIF_CON_MRG_EN); return 0; } static void mt2701_btmrg_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); struct mt2701_afe_private *afe_priv = afe->platform_priv; /* if the other direction stream is not occupied */ if (!afe_priv->mrg_enable[!substream->stream]) { regmap_update_bits(afe->regmap, AFE_DAIBT_CON0, AFE_DAIBT_CON0_DAIBT_EN, 0); regmap_update_bits(afe->regmap, AFE_MRGIF_CON, AFE_MRGIF_CON_MRG_EN, 0); regmap_update_bits(afe->regmap, AFE_MRGIF_CON, AFE_MRGIF_CON_MRG_I2S_EN, 0); mt2701_disable_btmrg_clk(afe); } afe_priv->mrg_enable[substream->stream] = 0; } static int mt2701_simple_fe_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); struct mtk_base_afe_memif *memif_tmp; int stream_dir = substream->stream; /* can't run single DL & DLM at the same time */ if (stream_dir == SNDRV_PCM_STREAM_PLAYBACK) { memif_tmp = &afe->memif[MT2701_MEMIF_DLM]; if (memif_tmp->substream) { dev_warn(afe->dev, "memif is not available"); return -EBUSY; } } return mtk_afe_fe_startup(substream, dai); } static int mt2701_simple_fe_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); int stream_dir = substream->stream; /* single DL use PAIR_INTERLEAVE */ if (stream_dir == SNDRV_PCM_STREAM_PLAYBACK) regmap_update_bits(afe->regmap, AFE_MEMIF_PBUF_SIZE, AFE_MEMIF_PBUF_SIZE_DLM_MASK, AFE_MEMIF_PBUF_SIZE_PAIR_INTERLEAVE); return mtk_afe_fe_hw_params(substream, params, dai); } static int mt2701_dlm_fe_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); struct mtk_base_afe_memif *memif_tmp; const struct mtk_base_memif_data *memif_data; int i; for (i = MT2701_MEMIF_DL1; i < MT2701_MEMIF_DL_SINGLE_NUM; ++i) { memif_tmp = &afe->memif[i]; if (memif_tmp->substream) return -EBUSY; } /* enable agent for all signal DL (due to hw design) */ for (i = MT2701_MEMIF_DL1; i < MT2701_MEMIF_DL_SINGLE_NUM; ++i) { memif_data = afe->memif[i].data; regmap_update_bits(afe->regmap, memif_data->agent_disable_reg, 1 << memif_data->agent_disable_shift, 0 << memif_data->agent_disable_shift); } return mtk_afe_fe_startup(substream, dai); } static void mt2701_dlm_fe_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); const struct mtk_base_memif_data *memif_data; int i; for (i = MT2701_MEMIF_DL1; i < MT2701_MEMIF_DL_SINGLE_NUM; ++i) { memif_data = afe->memif[i].data; regmap_update_bits(afe->regmap, memif_data->agent_disable_reg, 1 << memif_data->agent_disable_shift, 1 << memif_data->agent_disable_shift); } return mtk_afe_fe_shutdown(substream, dai); } static int mt2701_dlm_fe_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); int channels = params_channels(params); regmap_update_bits(afe->regmap, AFE_MEMIF_PBUF_SIZE, AFE_MEMIF_PBUF_SIZE_DLM_MASK, AFE_MEMIF_PBUF_SIZE_FULL_INTERLEAVE); regmap_update_bits(afe->regmap, AFE_MEMIF_PBUF_SIZE, AFE_MEMIF_PBUF_SIZE_DLM_BYTE_MASK, AFE_MEMIF_PBUF_SIZE_DLM_32BYTES); regmap_update_bits(afe->regmap, AFE_MEMIF_PBUF_SIZE, AFE_MEMIF_PBUF_SIZE_DLM_CH_MASK, AFE_MEMIF_PBUF_SIZE_DLM_CH(channels)); return mtk_afe_fe_hw_params(substream, params, dai); } static int mt2701_dlm_fe_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); struct mtk_base_afe_memif *memif_tmp = &afe->memif[MT2701_MEMIF_DL1]; switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: regmap_update_bits(afe->regmap, memif_tmp->data->enable_reg, 1 << memif_tmp->data->enable_shift, 1 << memif_tmp->data->enable_shift); mtk_afe_fe_trigger(substream, cmd, dai); return 0; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: mtk_afe_fe_trigger(substream, cmd, dai); regmap_update_bits(afe->regmap, memif_tmp->data->enable_reg, 1 << memif_tmp->data->enable_shift, 0); return 0; default: return -EINVAL; } } static int mt2701_memif_fs(struct snd_pcm_substream *substream, unsigned int rate) { struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); int fs; if (snd_soc_rtd_to_cpu(rtd, 0)->id != MT2701_MEMIF_ULBT) fs = mt2701_afe_i2s_fs(rate); else fs = (rate == 16000 ? 1 : 0); return fs; } static int mt2701_irq_fs(struct snd_pcm_substream *substream, unsigned int rate) { return mt2701_afe_i2s_fs(rate); } /* FE DAIs */ static const struct snd_soc_dai_ops mt2701_single_memif_dai_ops = { .startup = mt2701_simple_fe_startup, .shutdown = mtk_afe_fe_shutdown, .hw_params = mt2701_simple_fe_hw_params, .hw_free = mtk_afe_fe_hw_free, .prepare = mtk_afe_fe_prepare, .trigger = mtk_afe_fe_trigger, }; static const struct snd_soc_dai_ops mt2701_dlm_memif_dai_ops = { .startup = mt2701_dlm_fe_startup, .shutdown = mt2701_dlm_fe_shutdown, .hw_params = mt2701_dlm_fe_hw_params, .hw_free = mtk_afe_fe_hw_free, .prepare = mtk_afe_fe_prepare, .trigger = mt2701_dlm_fe_trigger, }; /* I2S BE DAIs */ static const struct snd_soc_dai_ops mt2701_afe_i2s_ops = { .startup = mt2701_afe_i2s_startup, .shutdown = mt2701_afe_i2s_shutdown, .prepare = mt2701_afe_i2s_prepare, .set_sysclk = mt2701_afe_i2s_set_sysclk, }; /* MRG BE DAIs */ static const struct snd_soc_dai_ops mt2701_btmrg_ops = { .startup = mt2701_btmrg_startup, .shutdown = mt2701_btmrg_shutdown, .hw_params = mt2701_btmrg_hw_params, }; static struct snd_soc_dai_driver mt2701_afe_pcm_dais[] = { /* FE DAIs: memory intefaces to CPU */ { .name = "PCMO0", .id = MT2701_MEMIF_DL1, .playback = { .stream_name = "DL1", .channels_min = 1, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_192000, .formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) }, .ops = &mt2701_single_memif_dai_ops, }, { .name = "PCM_multi", .id = MT2701_MEMIF_DLM, .playback = { .stream_name = "DLM", .channels_min = 1, .channels_max = 8, .rates = SNDRV_PCM_RATE_8000_192000, .formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) }, .ops = &mt2701_dlm_memif_dai_ops, }, { .name = "PCM0", .id = MT2701_MEMIF_UL1, .capture = { .stream_name = "UL1", .channels_min = 1, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_48000, .formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) }, .ops = &mt2701_single_memif_dai_ops, }, { .name = "PCM1", .id = MT2701_MEMIF_UL2, .capture = { .stream_name = "UL2", .channels_min = 1, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_192000, .formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) }, .ops = &mt2701_single_memif_dai_ops, }, { .name = "PCM_BT_DL", .id = MT2701_MEMIF_DLBT, .playback = { .stream_name = "DLBT", .channels_min = 1, .channels_max = 1, .rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000), .formats = SNDRV_PCM_FMTBIT_S16_LE, }, .ops = &mt2701_single_memif_dai_ops, }, { .name = "PCM_BT_UL", .id = MT2701_MEMIF_ULBT, .capture = { .stream_name = "ULBT", .channels_min = 1, .channels_max = 1, .rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000), .formats = SNDRV_PCM_FMTBIT_S16_LE, }, .ops = &mt2701_single_memif_dai_ops, }, /* BE DAIs */ { .name = "I2S0", .id = MT2701_IO_I2S, .playback = { .stream_name = "I2S0 Playback", .channels_min = 1, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_192000, .formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) }, .capture = { .stream_name = "I2S0 Capture", .channels_min = 1, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_192000, .formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) }, .ops = &mt2701_afe_i2s_ops, .symmetric_rate = 1, }, { .name = "I2S1", .id = MT2701_IO_2ND_I2S, .playback = { .stream_name = "I2S1 Playback", .channels_min = 1, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_192000, .formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) }, .capture = { .stream_name = "I2S1 Capture", .channels_min = 1, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_192000, .formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) }, .ops = &mt2701_afe_i2s_ops, .symmetric_rate = 1, }, { .name = "I2S2", .id = MT2701_IO_3RD_I2S, .playback = { .stream_name = "I2S2 Playback", .channels_min = 1, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_192000, .formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) }, .capture = { .stream_name = "I2S2 Capture", .channels_min = 1, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_192000, .formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) }, .ops = &mt2701_afe_i2s_ops, .symmetric_rate = 1, }, { .name = "I2S3", .id = MT2701_IO_4TH_I2S, .playback = { .stream_name = "I2S3 Playback", .channels_min = 1, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_192000, .formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) }, .capture = { .stream_name = "I2S3 Capture", .channels_min = 1, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_192000, .formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) }, .ops = &mt2701_afe_i2s_ops, .symmetric_rate = 1, }, { .name = "MRG BT", .id = MT2701_IO_MRG, .playback = { .stream_name = "BT Playback", .channels_min = 1, .channels_max = 1, .rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000), .formats = SNDRV_PCM_FMTBIT_S16_LE, }, .capture = { .stream_name = "BT Capture", .channels_min = 1, .channels_max = 1, .rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000), .formats = SNDRV_PCM_FMTBIT_S16_LE, }, .ops = &mt2701_btmrg_ops, .symmetric_rate = 1, } }; static const struct snd_kcontrol_new mt2701_afe_o00_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("I00 Switch", AFE_CONN0, 0, 1, 0), }; static const struct snd_kcontrol_new mt2701_afe_o01_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("I01 Switch", AFE_CONN1, 1, 1, 0), }; static const struct snd_kcontrol_new mt2701_afe_o02_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("I02 Switch", AFE_CONN2, 2, 1, 0), }; static const struct snd_kcontrol_new mt2701_afe_o03_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("I03 Switch", AFE_CONN3, 3, 1, 0), }; static const struct snd_kcontrol_new mt2701_afe_o14_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("I26 Switch", AFE_CONN14, 26, 1, 0), }; static const struct snd_kcontrol_new mt2701_afe_o15_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("I12 Switch", AFE_CONN15, 12, 1, 0), }; static const struct snd_kcontrol_new mt2701_afe_o16_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("I13 Switch", AFE_CONN16, 13, 1, 0), }; static const struct snd_kcontrol_new mt2701_afe_o17_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("I14 Switch", AFE_CONN17, 14, 1, 0), }; static const struct snd_kcontrol_new mt2701_afe_o18_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("I15 Switch", AFE_CONN18, 15, 1, 0), }; static const struct snd_kcontrol_new mt2701_afe_o19_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("I16 Switch", AFE_CONN19, 16, 1, 0), }; static const struct snd_kcontrol_new mt2701_afe_o20_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("I17 Switch", AFE_CONN20, 17, 1, 0), }; static const struct snd_kcontrol_new mt2701_afe_o21_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("I18 Switch", AFE_CONN21, 18, 1, 0), }; static const struct snd_kcontrol_new mt2701_afe_o22_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("I19 Switch", AFE_CONN22, 19, 1, 0), }; static const struct snd_kcontrol_new mt2701_afe_o31_mix[] = { SOC_DAPM_SINGLE_AUTODISABLE("I35 Switch", AFE_CONN41, 9, 1, 0), }; static const struct snd_kcontrol_new mt2701_afe_i02_mix[] = { SOC_DAPM_SINGLE("I2S0 Switch", SND_SOC_NOPM, 0, 1, 0), }; static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s0[] = { SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S0 Out Switch", ASYS_I2SO1_CON, 26, 1, 0), }; static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s1[] = { SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S1 Out Switch", ASYS_I2SO2_CON, 26, 1, 0), }; static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s2[] = { SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S2 Out Switch", PWR2_TOP_CON, 17, 1, 0), }; static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s3[] = { SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S3 Out Switch", PWR2_TOP_CON, 18, 1, 0), }; static const struct snd_soc_dapm_widget mt2701_afe_pcm_widgets[] = { /* inter-connections */ SND_SOC_DAPM_MIXER("I00", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("I01", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("I02", SND_SOC_NOPM, 0, 0, mt2701_afe_i02_mix, ARRAY_SIZE(mt2701_afe_i02_mix)), SND_SOC_DAPM_MIXER("I03", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("I12", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("I13", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("I14", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("I15", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("I16", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("I17", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("I18", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("I19", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("I26", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("I35", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("O00", SND_SOC_NOPM, 0, 0, mt2701_afe_o00_mix, ARRAY_SIZE(mt2701_afe_o00_mix)), SND_SOC_DAPM_MIXER("O01", SND_SOC_NOPM, 0, 0, mt2701_afe_o01_mix, ARRAY_SIZE(mt2701_afe_o01_mix)), SND_SOC_DAPM_MIXER("O02", SND_SOC_NOPM, 0, 0, mt2701_afe_o02_mix, ARRAY_SIZE(mt2701_afe_o02_mix)), SND_SOC_DAPM_MIXER("O03", SND_SOC_NOPM, 0, 0, mt2701_afe_o03_mix, ARRAY_SIZE(mt2701_afe_o03_mix)), SND_SOC_DAPM_MIXER("O14", SND_SOC_NOPM, 0, 0, mt2701_afe_o14_mix, ARRAY_SIZE(mt2701_afe_o14_mix)), SND_SOC_DAPM_MIXER("O15", SND_SOC_NOPM, 0, 0, mt2701_afe_o15_mix, ARRAY_SIZE(mt2701_afe_o15_mix)), SND_SOC_DAPM_MIXER("O16", SND_SOC_NOPM, 0, 0, mt2701_afe_o16_mix, ARRAY_SIZE(mt2701_afe_o16_mix)), SND_SOC_DAPM_MIXER("O17", SND_SOC_NOPM, 0, 0, mt2701_afe_o17_mix, ARRAY_SIZE(mt2701_afe_o17_mix)), SND_SOC_DAPM_MIXER("O18", SND_SOC_NOPM, 0, 0, mt2701_afe_o18_mix, ARRAY_SIZE(mt2701_afe_o18_mix)), SND_SOC_DAPM_MIXER("O19", SND_SOC_NOPM, 0, 0, mt2701_afe_o19_mix, ARRAY_SIZE(mt2701_afe_o19_mix)), SND_SOC_DAPM_MIXER("O20", SND_SOC_NOPM, 0, 0, mt2701_afe_o20_mix, ARRAY_SIZE(mt2701_afe_o20_mix)), SND_SOC_DAPM_MIXER("O21", SND_SOC_NOPM, 0, 0, mt2701_afe_o21_mix, ARRAY_SIZE(mt2701_afe_o21_mix)), SND_SOC_DAPM_MIXER("O22", SND_SOC_NOPM, 0, 0, mt2701_afe_o22_mix, ARRAY_SIZE(mt2701_afe_o22_mix)), SND_SOC_DAPM_MIXER("O31", SND_SOC_NOPM, 0, 0, mt2701_afe_o31_mix, ARRAY_SIZE(mt2701_afe_o31_mix)), SND_SOC_DAPM_MIXER("I12I13", SND_SOC_NOPM, 0, 0, mt2701_afe_multi_ch_out_i2s0, ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s0)), SND_SOC_DAPM_MIXER("I14I15", SND_SOC_NOPM, 0, 0, mt2701_afe_multi_ch_out_i2s1, ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s1)), SND_SOC_DAPM_MIXER("I16I17", SND_SOC_NOPM, 0, 0, mt2701_afe_multi_ch_out_i2s2, ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s2)), SND_SOC_DAPM_MIXER("I18I19", SND_SOC_NOPM, 0, 0, mt2701_afe_multi_ch_out_i2s3, ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s3)), }; static const struct snd_soc_dapm_route mt2701_afe_pcm_routes[] = { {"I12", NULL, "DL1"}, {"I13", NULL, "DL1"}, {"I35", NULL, "DLBT"}, {"I2S0 Playback", NULL, "O15"}, {"I2S0 Playback", NULL, "O16"}, {"I2S1 Playback", NULL, "O17"}, {"I2S1 Playback", NULL, "O18"}, {"I2S2 Playback", NULL, "O19"}, {"I2S2 Playback", NULL, "O20"}, {"I2S3 Playback", NULL, "O21"}, {"I2S3 Playback", NULL, "O22"}, {"BT Playback", NULL, "O31"}, {"UL1", NULL, "O00"}, {"UL1", NULL, "O01"}, {"UL2", NULL, "O02"}, {"UL2", NULL, "O03"}, {"ULBT", NULL, "O14"}, {"I00", NULL, "I2S0 Capture"}, {"I01", NULL, "I2S0 Capture"}, {"I02", NULL, "I2S1 Capture"}, {"I03", NULL, "I2S1 Capture"}, /* I02,03 link to UL2, also need to open I2S0 */ {"I02", "I2S0 Switch", "I2S0 Capture"}, {"I26", NULL, "BT Capture"}, {"I12I13", "Multich I2S0 Out Switch", "DLM"}, {"I14I15", "Multich I2S1 Out Switch", "DLM"}, {"I16I17", "Multich I2S2 Out Switch", "DLM"}, {"I18I19", "Multich I2S3 Out Switch", "DLM"}, { "I12", NULL, "I12I13" }, { "I13", NULL, "I12I13" }, { "I14", NULL, "I14I15" }, { "I15", NULL, "I14I15" }, { "I16", NULL, "I16I17" }, { "I17", NULL, "I16I17" }, { "I18", NULL, "I18I19" }, { "I19", NULL, "I18I19" }, { "O00", "I00 Switch", "I00" }, { "O01", "I01 Switch", "I01" }, { "O02", "I02 Switch", "I02" }, { "O03", "I03 Switch", "I03" }, { "O14", "I26 Switch", "I26" }, { "O15", "I12 Switch", "I12" }, { "O16", "I13 Switch", "I13" }, { "O17", "I14 Switch", "I14" }, { "O18", "I15 Switch", "I15" }, { "O19", "I16 Switch", "I16" }, { "O20", "I17 Switch", "I17" }, { "O21", "I18 Switch", "I18" }, { "O22", "I19 Switch", "I19" }, { "O31", "I35 Switch", "I35" }, }; static int mt2701_afe_pcm_probe(struct snd_soc_component *component) { struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component); snd_soc_component_init_regmap(component, afe->regmap); return 0; } static const struct snd_soc_component_driver mt2701_afe_pcm_dai_component = { .probe = mt2701_afe_pcm_probe, .name = "mt2701-afe-pcm-dai", .dapm_widgets = mt2701_afe_pcm_widgets, .num_dapm_widgets = ARRAY_SIZE(mt2701_afe_pcm_widgets), .dapm_routes = mt2701_afe_pcm_routes, .num_dapm_routes = ARRAY_SIZE(mt2701_afe_pcm_routes), .suspend = mtk_afe_suspend, .resume = mtk_afe_resume, }; static const struct mtk_base_memif_data memif_data_array[MT2701_MEMIF_NUM] = { { .name = "DL1", .id = MT2701_MEMIF_DL1, .reg_ofs_base = AFE_DL1_BASE, .reg_ofs_cur = AFE_DL1_CUR, .fs_reg = AFE_DAC_CON1, .fs_shift = 0, .fs_maskbit = 0x1f, .mono_reg = AFE_DAC_CON3, .mono_shift = 16, .enable_reg = AFE_DAC_CON0, .enable_shift = 1, .hd_reg = AFE_MEMIF_HD_CON0, .hd_shift = 0, .agent_disable_reg = AUDIO_TOP_CON5, .agent_disable_shift = 6, .msb_reg = -1, }, { .name = "DL2", .id = MT2701_MEMIF_DL2, .reg_ofs_base = AFE_DL2_BASE, .reg_ofs_cur = AFE_DL2_CUR, .fs_reg = AFE_DAC_CON1, .fs_shift = 5, .fs_maskbit = 0x1f, .mono_reg = AFE_DAC_CON3, .mono_shift = 17, .enable_reg = AFE_DAC_CON0, .enable_shift = 2, .hd_reg = AFE_MEMIF_HD_CON0, .hd_shift = 2, .agent_disable_reg = AUDIO_TOP_CON5, .agent_disable_shift = 7, .msb_reg = -1, }, { .name = "DL3", .id = MT2701_MEMIF_DL3, .reg_ofs_base = AFE_DL3_BASE, .reg_ofs_cur = AFE_DL3_CUR, .fs_reg = AFE_DAC_CON1, .fs_shift = 10, .fs_maskbit = 0x1f, .mono_reg = AFE_DAC_CON3, .mono_shift = 18, .enable_reg = AFE_DAC_CON0, .enable_shift = 3, .hd_reg = AFE_MEMIF_HD_CON0, .hd_shift = 4, .agent_disable_reg = AUDIO_TOP_CON5, .agent_disable_shift = 8, .msb_reg = -1, }, { .name = "DL4", .id = MT2701_MEMIF_DL4, .reg_ofs_base = AFE_DL4_BASE, .reg_ofs_cur = AFE_DL4_CUR, .fs_reg = AFE_DAC_CON1, .fs_shift = 15, .fs_maskbit = 0x1f, .mono_reg = AFE_DAC_CON3, .mono_shift = 19, .enable_reg = AFE_DAC_CON0, .enable_shift = 4, .hd_reg = AFE_MEMIF_HD_CON0, .hd_shift = 6, .agent_disable_reg = AUDIO_TOP_CON5, .agent_disable_shift = 9, .msb_reg = -1, }, { .name = "DL5", .id = MT2701_MEMIF_DL5, .reg_ofs_base = AFE_DL5_BASE, .reg_ofs_cur = AFE_DL5_CUR, .fs_reg = AFE_DAC_CON1, .fs_shift = 20, .fs_maskbit = 0x1f, .mono_reg = AFE_DAC_CON3, .mono_shift = 20, .enable_reg = AFE_DAC_CON0, .enable_shift = 5, .hd_reg = AFE_MEMIF_HD_CON0, .hd_shift = 8, .agent_disable_reg = AUDIO_TOP_CON5, .agent_disable_shift = 10, .msb_reg = -1, }, { .name = "DLM", .id = MT2701_MEMIF_DLM, .reg_ofs_base = AFE_DLMCH_BASE, .reg_ofs_cur = AFE_DLMCH_CUR, .fs_reg = AFE_DAC_CON1, .fs_shift = 0, .fs_maskbit = 0x1f, .mono_reg = -1, .mono_shift = -1, .enable_reg = AFE_DAC_CON0, .enable_shift = 7, .hd_reg = AFE_MEMIF_PBUF_SIZE, .hd_shift = 28, .agent_disable_reg = AUDIO_TOP_CON5, .agent_disable_shift = 12, .msb_reg = -1, }, { .name = "UL1", .id = MT2701_MEMIF_UL1, .reg_ofs_base = AFE_VUL_BASE, .reg_ofs_cur = AFE_VUL_CUR, .fs_reg = AFE_DAC_CON2, .fs_shift = 0, .fs_maskbit = 0x1f, .mono_reg = AFE_DAC_CON4, .mono_shift = 0, .enable_reg = AFE_DAC_CON0, .enable_shift = 10, .hd_reg = AFE_MEMIF_HD_CON1, .hd_shift = 0, .agent_disable_reg = AUDIO_TOP_CON5, .agent_disable_shift = 0, .msb_reg = -1, }, { .name = "UL2", .id = MT2701_MEMIF_UL2, .reg_ofs_base = AFE_UL2_BASE, .reg_ofs_cur = AFE_UL2_CUR, .fs_reg = AFE_DAC_CON2, .fs_shift = 5, .fs_maskbit = 0x1f, .mono_reg = AFE_DAC_CON4, .mono_shift = 2, .enable_reg = AFE_DAC_CON0, .enable_shift = 11, .hd_reg = AFE_MEMIF_HD_CON1, .hd_shift = 2, .agent_disable_reg = AUDIO_TOP_CON5, .agent_disable_shift = 1, .msb_reg = -1, }, { .name = "UL3", .id = MT2701_MEMIF_UL3, .reg_ofs_base = AFE_UL3_BASE, .reg_ofs_cur = AFE_UL3_CUR, .fs_reg = AFE_DAC_CON2, .fs_shift = 10, .fs_maskbit = 0x1f, .mono_reg = AFE_DAC_CON4, .mono_shift = 4, .enable_reg = AFE_DAC_CON0, .enable_shift = 12, .hd_reg = AFE_MEMIF_HD_CON0, .hd_shift = 0, .agent_disable_reg = AUDIO_TOP_CON5, .agent_disable_shift = 2, .msb_reg = -1, }, { .name = "UL4", .id = MT2701_MEMIF_UL4, .reg_ofs_base = AFE_UL4_BASE, .reg_ofs_cur = AFE_UL4_CUR, .fs_reg = AFE_DAC_CON2, .fs_shift = 15, .fs_maskbit = 0x1f, .mono_reg = AFE_DAC_CON4, .mono_shift = 6, .enable_reg = AFE_DAC_CON0, .enable_shift = 13, .hd_reg = AFE_MEMIF_HD_CON0, .hd_shift = 6, .agent_disable_reg = AUDIO_TOP_CON5, .agent_disable_shift = 3, .msb_reg = -1, }, { .name = "UL5", .id = MT2701_MEMIF_UL5, .reg_ofs_base = AFE_UL5_BASE, .reg_ofs_cur = AFE_UL5_CUR, .fs_reg = AFE_DAC_CON2, .fs_shift = 20, .mono_reg = AFE_DAC_CON4, .mono_shift = 8, .fs_maskbit = 0x1f, .enable_reg = AFE_DAC_CON0, .enable_shift = 14, .hd_reg = AFE_MEMIF_HD_CON0, .hd_shift = 8, .agent_disable_reg = AUDIO_TOP_CON5, .agent_disable_shift = 4, .msb_reg = -1, }, { .name = "DLBT", .id = MT2701_MEMIF_DLBT, .reg_ofs_base = AFE_ARB1_BASE, .reg_ofs_cur = AFE_ARB1_CUR, .fs_reg = AFE_DAC_CON3, .fs_shift = 10, .fs_maskbit = 0x1f, .mono_reg = AFE_DAC_CON3, .mono_shift = 22, .enable_reg = AFE_DAC_CON0, .enable_shift = 8, .hd_reg = AFE_MEMIF_HD_CON0, .hd_shift = 14, .agent_disable_reg = AUDIO_TOP_CON5, .agent_disable_shift = 13, .msb_reg = -1, }, { .name = "ULBT", .id = MT2701_MEMIF_ULBT, .reg_ofs_base = AFE_DAI_BASE, .reg_ofs_cur = AFE_DAI_CUR, .fs_reg = AFE_DAC_CON2, .fs_shift = 30, .fs_maskbit = 0x1, .mono_reg = -1, .mono_shift = -1, .enable_reg = AFE_DAC_CON0, .enable_shift = 17, .hd_reg = AFE_MEMIF_HD_CON1, .hd_shift = 20, .agent_disable_reg = AUDIO_TOP_CON5, .agent_disable_shift = 16, .msb_reg = -1, }, }; static const struct mtk_base_irq_data irq_data[MT2701_IRQ_ASYS_END] = { { .id = MT2701_IRQ_ASYS_IRQ1, .irq_cnt_reg = ASYS_IRQ1_CON, .irq_cnt_shift = 0, .irq_cnt_maskbit = 0xffffff, .irq_fs_reg = ASYS_IRQ1_CON, .irq_fs_shift = 24, .irq_fs_maskbit = 0x1f, .irq_en_reg = ASYS_IRQ1_CON, .irq_en_shift = 31, .irq_clr_reg = ASYS_IRQ_CLR, .irq_clr_shift = 0, }, { .id = MT2701_IRQ_ASYS_IRQ2, .irq_cnt_reg = ASYS_IRQ2_CON, .irq_cnt_shift = 0, .irq_cnt_maskbit = 0xffffff, .irq_fs_reg = ASYS_IRQ2_CON, .irq_fs_shift = 24, .irq_fs_maskbit = 0x1f, .irq_en_reg = ASYS_IRQ2_CON, .irq_en_shift = 31, .irq_clr_reg = ASYS_IRQ_CLR, .irq_clr_shift = 1, }, { .id = MT2701_IRQ_ASYS_IRQ3, .irq_cnt_reg = ASYS_IRQ3_CON, .irq_cnt_shift = 0, .irq_cnt_maskbit = 0xffffff, .irq_fs_reg = ASYS_IRQ3_CON, .irq_fs_shift = 24, .irq_fs_maskbit = 0x1f, .irq_en_reg = ASYS_IRQ3_CON, .irq_en_shift = 31, .irq_clr_reg = ASYS_IRQ_CLR, .irq_clr_shift = 2, } }; static const struct mt2701_i2s_data mt2701_i2s_data[][2] = { { { ASYS_I2SO1_CON, 0, 0x1f }, { ASYS_I2SIN1_CON, 0, 0x1f }, }, { { ASYS_I2SO2_CON, 5, 0x1f }, { ASYS_I2SIN2_CON, 5, 0x1f }, }, { { ASYS_I2SO3_CON, 10, 0x1f }, { ASYS_I2SIN3_CON, 10, 0x1f }, }, { { ASYS_I2SO4_CON, 15, 0x1f }, { ASYS_I2SIN4_CON, 15, 0x1f }, }, /* TODO - extend control registers supported by newer SoCs */ }; static irqreturn_t mt2701_asys_isr(int irq_id, void *dev) { int id; struct mtk_base_afe *afe = dev; struct mtk_base_afe_memif *memif; struct mtk_base_afe_irq *irq; u32 status; regmap_read(afe->regmap, ASYS_IRQ_STATUS, &status); regmap_write(afe->regmap, ASYS_IRQ_CLR, status); for (id = 0; id < MT2701_MEMIF_NUM; ++id) { memif = &afe->memif[id]; if (memif->irq_usage < 0) continue; irq = &afe->irqs[memif->irq_usage]; if (status & 1 << irq->irq_data->irq_clr_shift) snd_pcm_period_elapsed(memif->substream); } return IRQ_HANDLED; } static int mt2701_afe_runtime_suspend(struct device *dev) { struct mtk_base_afe *afe = dev_get_drvdata(dev); return mt2701_afe_disable_clock(afe); } static int mt2701_afe_runtime_resume(struct device *dev) { struct mtk_base_afe *afe = dev_get_drvdata(dev); return mt2701_afe_enable_clock(afe); } static int mt2701_afe_pcm_dev_probe(struct platform_device *pdev) { struct mtk_base_afe *afe; struct mt2701_afe_private *afe_priv; 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_priv->soc = of_device_get_match_data(&pdev->dev); afe->dev = &pdev->dev; dev = afe->dev; afe_priv->i2s_path = devm_kcalloc(dev, afe_priv->soc->i2s_num, sizeof(struct mt2701_i2s_path), GFP_KERNEL); if (!afe_priv->i2s_path) return -ENOMEM; irq_id = platform_get_irq_byname(pdev, "asys"); if (irq_id < 0) return irq_id; ret = devm_request_irq(dev, irq_id, mt2701_asys_isr, IRQF_TRIGGER_NONE, "asys-isr", (void *)afe); if (ret) { dev_err(dev, "could not request_irq for asys-isr\n"); return ret; } 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"); return PTR_ERR(afe->regmap); } mutex_init(&afe->irq_alloc_lock); /* memif initialize */ afe->memif_size = MT2701_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_array[i]; afe->memif[i].irq_usage = -1; } /* irq initialize */ afe->irqs_size = MT2701_IRQ_ASYS_END; 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]; /* I2S initialize */ for (i = 0; i < afe_priv->soc->i2s_num; i++) { afe_priv->i2s_path[i].i2s_data[SNDRV_PCM_STREAM_PLAYBACK] = &mt2701_i2s_data[i][SNDRV_PCM_STREAM_PLAYBACK]; afe_priv->i2s_path[i].i2s_data[SNDRV_PCM_STREAM_CAPTURE] = &mt2701_i2s_data[i][SNDRV_PCM_STREAM_CAPTURE]; } afe->mtk_afe_hardware = &mt2701_afe_hardware; afe->memif_fs = mt2701_memif_fs; afe->irq_fs = mt2701_irq_fs; afe->reg_back_up_list = mt2701_afe_backup_list; afe->reg_back_up_list_num = ARRAY_SIZE(mt2701_afe_backup_list); afe->runtime_resume = mt2701_afe_runtime_resume; afe->runtime_suspend = mt2701_afe_runtime_suspend; /* initial audio related clock */ ret = mt2701_init_clock(afe); if (ret) { dev_err(dev, "init clock error\n"); return ret; } platform_set_drvdata(pdev, afe); pm_runtime_enable(dev); if (!pm_runtime_enabled(dev)) { ret = mt2701_afe_runtime_resume(dev); if (ret) goto err_pm_disable; } pm_runtime_get_sync(dev); ret = devm_snd_soc_register_component(&pdev->dev, &mtk_afe_pcm_platform, NULL, 0); if (ret) { dev_warn(dev, "err_platform\n"); goto err_platform; } ret = devm_snd_soc_register_component(&pdev->dev, &mt2701_afe_pcm_dai_component, mt2701_afe_pcm_dais, ARRAY_SIZE(mt2701_afe_pcm_dais)); if (ret) { dev_warn(dev, "err_dai_component\n"); goto err_platform; } return 0; err_platform: pm_runtime_put_sync(dev); err_pm_disable: pm_runtime_disable(dev); return ret; } static void mt2701_afe_pcm_dev_remove(struct platform_device *pdev) { pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); if (!pm_runtime_status_suspended(&pdev->dev)) mt2701_afe_runtime_suspend(&pdev->dev); } static const struct mt2701_soc_variants mt2701_soc_v1 = { .i2s_num = 4, }; static const struct mt2701_soc_variants mt2701_soc_v2 = { .has_one_heart_mode = true, .i2s_num = 4, }; static const struct of_device_id mt2701_afe_pcm_dt_match[] = { { .compatible = "mediatek,mt2701-audio", .data = &mt2701_soc_v1 }, { .compatible = "mediatek,mt7622-audio", .data = &mt2701_soc_v2 }, {}, }; MODULE_DEVICE_TABLE(of, mt2701_afe_pcm_dt_match); static const struct dev_pm_ops mt2701_afe_pm_ops = { SET_RUNTIME_PM_OPS(mt2701_afe_runtime_suspend, mt2701_afe_runtime_resume, NULL) }; static struct platform_driver mt2701_afe_pcm_driver = { .driver = { .name = "mt2701-audio", .of_match_table = mt2701_afe_pcm_dt_match, .pm = &mt2701_afe_pm_ops, }, .probe = mt2701_afe_pcm_dev_probe, .remove = mt2701_afe_pcm_dev_remove, }; module_platform_driver(mt2701_afe_pcm_driver); MODULE_DESCRIPTION("Mediatek ALSA SoC AFE platform driver for 2701"); MODULE_AUTHOR("Garlic Tseng "); MODULE_LICENSE("GPL v2");