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