Messages in this thread | | | Date | Fri, 18 Feb 2022 15:54:12 +0100 | Subject | Re: [v2 04/17] ASoC: mediatek: mt8186: support hostless in platform driver | From | AngeloGioacchino Del Regno <> |
| |
Il 17/02/22 14:41, Jiaxin Yu ha scritto: > This patch adds mt8186 hostless dai driver. > > Signed-off-by: Jiaxin Yu <jiaxin.yu@mediatek.com> > --- > .../soc/mediatek/mt8186/mt8186-dai-hostless.c | 295 ++++++++++++++++++ > 1 file changed, 295 insertions(+) > create mode 100644 sound/soc/mediatek/mt8186/mt8186-dai-hostless.c > > diff --git a/sound/soc/mediatek/mt8186/mt8186-dai-hostless.c b/sound/soc/mediatek/mt8186/mt8186-dai-hostless.c > new file mode 100644 > index 000000000000..37460a3acc93 > --- /dev/null > +++ b/sound/soc/mediatek/mt8186/mt8186-dai-hostless.c > @@ -0,0 +1,295 @@ > +// SPDX-License-Identifier: GPL-2.0 > +// > +// MediaTek ALSA SoC Audio DAI Hostless Control > +// > +// Copyright (c) 2022 MediaTek Inc. > +// Author: Jiaxin Yu <jiaxin.yu@mediatek.com> > + > +#include "mt8186-afe-common.h" > + > +static const struct snd_pcm_hardware mt8186_hostless_hardware = { > + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | > + SNDRV_PCM_INFO_MMAP_VALID), > + .period_bytes_min = 256, > + .period_bytes_max = 4 * 48 * 1024, > + .periods_min = 2, > + .periods_max = 256, > + .buffer_bytes_max = 4 * 48 * 1024, > + .fifo_size = 0, > +}; > + > +/* dai component */ > +static const struct snd_soc_dapm_route mtk_dai_hostless_routes[] = { > + /* Hostless ADDA Loopback */ > + {"ADDA_DL_CH1", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"}, > + {"ADDA_DL_CH1", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"}, > + {"ADDA_DL_CH2", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"}, > + {"ADDA_DL_CH2", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"}, > + {"I2S1_CH1", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"}, > + {"I2S1_CH2", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"}, > + {"I2S3_CH1", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"}, > + {"I2S3_CH1", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"}, > + {"I2S3_CH2", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"}, > + {"I2S3_CH2", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"}, > + {"Hostless LPBK UL", NULL, "ADDA_UL_Mux"}, > + > + /* Hostelss FM */ > + /* connsys_i2s to hw gain 1*/ > + {"Hostless FM UL", NULL, "Connsys I2S"}, > + > + {"HW_GAIN1_IN_CH1", "CONNSYS_I2S_CH1 Switch", "Hostless FM DL"}, > + {"HW_GAIN1_IN_CH2", "CONNSYS_I2S_CH2 Switch", "Hostless FM DL"}, > + /* hw gain to adda dl */ > + {"Hostless FM UL", NULL, "HW Gain 1 Out"}, > + > + {"ADDA_DL_CH1", "GAIN1_OUT_CH1 Switch", "Hostless FM DL"}, > + {"ADDA_DL_CH2", "GAIN1_OUT_CH2 Switch", "Hostless FM DL"}, > + /* hw gain to i2s3 */ > + {"I2S3_CH1", "GAIN1_OUT_CH1 Switch", "Hostless FM DL"}, > + {"I2S3_CH2", "GAIN1_OUT_CH2 Switch", "Hostless FM DL"}, > + /* hw gain to i2s1 */ > + {"I2S1_CH1", "GAIN1_OUT_CH1 Switch", "Hostless FM DL"}, > + {"I2S1_CH2", "GAIN1_OUT_CH2 Switch", "Hostless FM DL"}, > + > + /* Hostless_SRC */ > + {"ADDA_DL_CH1", "SRC_1_OUT_CH1 Switch", "Hostless_SRC_1_DL"}, > + {"ADDA_DL_CH2", "SRC_1_OUT_CH2 Switch", "Hostless_SRC_1_DL"}, > + {"I2S1_CH1", "SRC_1_OUT_CH1 Switch", "Hostless_SRC_1_DL"}, > + {"I2S1_CH2", "SRC_1_OUT_CH2 Switch", "Hostless_SRC_1_DL"}, > + {"I2S3_CH1", "SRC_1_OUT_CH1 Switch", "Hostless_SRC_1_DL"}, > + {"I2S3_CH2", "SRC_1_OUT_CH2 Switch", "Hostless_SRC_1_DL"}, > + {"Hostless_SRC_1_UL", NULL, "HW_SRC_1_Out"}, > + > + /* Hostless_SRC_bargein */ > + {"HW_SRC_1_IN_CH1", "I2S0_CH1 Switch", "Hostless_SRC_Bargein_DL"}, > + {"HW_SRC_1_IN_CH2", "I2S0_CH2 Switch", "Hostless_SRC_Bargein_DL"}, > + {"Hostless_SRC_Bargein_UL", NULL, "I2S0"}, > + > + /* Hostless AAudio */ > + {"Hostless HW Gain AAudio In", NULL, "HW Gain 2 In"}, > + {"Hostless SRC AAudio UL", NULL, "HW Gain 2 Out"}, > + {"HW_SRC_2_IN_CH1", "HW_GAIN2_OUT_CH1 Switch", "Hostless SRC AAudio DL"}, > + {"HW_SRC_2_IN_CH2", "HW_GAIN2_OUT_CH2 Switch", "Hostless SRC AAudio DL"}, > +}; > + > +/* dai ops */ > +static int mtk_dai_hostless_startup(struct snd_pcm_substream *substream, > + struct snd_soc_dai *dai) > +{ > + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); > + struct snd_pcm_runtime *runtime = substream->runtime; > + int ret; > + > + snd_soc_set_runtime_hwparams(substream, &mt8186_hostless_hardware); > + > + ret = snd_pcm_hw_constraint_integer(runtime, > + SNDRV_PCM_HW_PARAM_PERIODS); > + if (ret < 0) > + dev_info(afe->dev, "snd_pcm_hw_constraint_integer failed\n");
if (ret < 0) { dev_err(afe->dev, "setting constraints failed: %d\n", ret); return ret; }
return 0;
Thanks, Angelo
| |