1 files changed, 118 insertions, 0 deletions
diff --git a/sound/soc/mediatek/mt6797/mt6797-dai-hostless.c b/sound/soc/mediatek/mt6797/mt6797-dai-hostless.c
new file mode 100644
index 000000000..ed23e6a53
--- /dev/null
+++ b/sound/soc/mediatek/mt6797/mt6797-dai-hostless.c
@@ -0,0 +1,118 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// MediaTek ALSA SoC Audio DAI Hostless Control
+//
+// Copyright (c) 2018 MediaTek Inc.
+// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+
+#include "mt6797-afe-common.h"
+
+/* dai component */
+static const struct snd_soc_dapm_route mtk_dai_hostless_routes[] = {
+	/* Hostless ADDA Loopback */
+	{"ADDA_DL_CH1", "ADDA_UL_CH1", "Hostless LPBK DL"},
+	{"ADDA_DL_CH1", "ADDA_UL_CH2", "Hostless LPBK DL"},
+	{"ADDA_DL_CH2", "ADDA_UL_CH1", "Hostless LPBK DL"},
+	{"ADDA_DL_CH2", "ADDA_UL_CH2", "Hostless LPBK DL"},
+	{"Hostless LPBK UL", NULL, "ADDA Capture"},
+
+	/* Hostless Speech */
+	{"ADDA_DL_CH1", "PCM_1_CAP_CH1", "Hostless Speech DL"},
+	{"ADDA_DL_CH2", "PCM_1_CAP_CH1", "Hostless Speech DL"},
+	{"ADDA_DL_CH2", "PCM_1_CAP_CH2", "Hostless Speech DL"},
+	{"ADDA_DL_CH1", "PCM_2_CAP_CH1", "Hostless Speech DL"},
+	{"ADDA_DL_CH2", "PCM_2_CAP_CH1", "Hostless Speech DL"},
+	{"ADDA_DL_CH2", "PCM_2_CAP_CH2", "Hostless Speech DL"},
+	{"PCM_1_PB_CH1", "ADDA_UL_CH1", "Hostless Speech DL"},
+	{"PCM_1_PB_CH2", "ADDA_UL_CH2", "Hostless Speech DL"},
+	{"PCM_2_PB_CH1", "ADDA_UL_CH1", "Hostless Speech DL"},
+	{"PCM_2_PB_CH2", "ADDA_UL_CH2", "Hostless Speech DL"},
+
+	{"Hostless Speech UL", NULL, "PCM 1 Capture"},
+	{"Hostless Speech UL", NULL, "PCM 2 Capture"},
+	{"Hostless Speech UL", NULL, "ADDA Capture"},
+};
+
+/* 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);
+
+	return snd_soc_set_runtime_hwparams(substream, afe->mtk_afe_hardware);
+}
+
+static const struct snd_soc_dai_ops mtk_dai_hostless_ops = {
+	.startup = mtk_dai_hostless_startup,
+};
+
+/* dai driver */
+#define MTK_HOSTLESS_RATES (SNDRV_PCM_RATE_8000_48000 |\
+			   SNDRV_PCM_RATE_88200 |\
+			   SNDRV_PCM_RATE_96000 |\
+			   SNDRV_PCM_RATE_176400 |\
+			   SNDRV_PCM_RATE_192000)
+
+#define MTK_HOSTLESS_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
+			     SNDRV_PCM_FMTBIT_S24_LE |\
+			     SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_driver mtk_dai_hostless_driver[] = {
+	{
+		.name = "Hostless LPBK DAI",
+		.id = MT6797_DAI_HOSTLESS_LPBK,
+		.playback = {
+			.stream_name = "Hostless LPBK DL",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_HOSTLESS_RATES,
+			.formats = MTK_HOSTLESS_FORMATS,
+		},
+		.capture = {
+			.stream_name = "Hostless LPBK UL",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_HOSTLESS_RATES,
+			.formats = MTK_HOSTLESS_FORMATS,
+		},
+		.ops = &mtk_dai_hostless_ops,
+	},
+	{
+		.name = "Hostless Speech DAI",
+		.id = MT6797_DAI_HOSTLESS_SPEECH,
+		.playback = {
+			.stream_name = "Hostless Speech DL",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_HOSTLESS_RATES,
+			.formats = MTK_HOSTLESS_FORMATS,
+		},
+		.capture = {
+			.stream_name = "Hostless Speech UL",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = MTK_HOSTLESS_RATES,
+			.formats = MTK_HOSTLESS_FORMATS,
+		},
+		.ops = &mtk_dai_hostless_ops,
+	},
+};
+
+int mt6797_dai_hostless_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 = mtk_dai_hostless_driver;
+	dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_hostless_driver);
+
+	dai->dapm_routes = mtk_dai_hostless_routes;
+	dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_hostless_routes);
+
+	return 0;
+}