1 files changed, 70 insertions, 0 deletions
diff --git a/sound/soc/mediatek/common/mtk-dai-adda-common.c b/sound/soc/mediatek/common/mtk-dai-adda-common.c
new file mode 100644
index 0000000000..4dc1412489
--- /dev/null
+++ b/sound/soc/mediatek/common/mtk-dai-adda-common.c
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * MediaTek ALSA SoC Audio DAI ADDA Common
+ *
+ * Copyright (c) 2021 MediaTek Inc.
+ * Copyright (c) 2024 Collabora Ltd.
+ *         AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
+ */
+
+#include <linux/delay.h>
+#include <linux/dev_printk.h>
+
+#include "mtk-base-afe.h"
+#include "mtk-dai-adda-common.h"
+
+unsigned int mtk_adda_dl_rate_transform(struct mtk_base_afe *afe, u32 rate)
+{
+	switch (rate) {
+	case 8000:
+		return MTK_AFE_ADDA_DL_RATE_8K;
+	case 11025:
+		return MTK_AFE_ADDA_DL_RATE_11K;
+	case 12000:
+		return MTK_AFE_ADDA_DL_RATE_12K;
+	case 16000:
+		return MTK_AFE_ADDA_DL_RATE_16K;
+	case 22050:
+		return MTK_AFE_ADDA_DL_RATE_22K;
+	case 24000:
+		return MTK_AFE_ADDA_DL_RATE_24K;
+	case 32000:
+		return MTK_AFE_ADDA_DL_RATE_32K;
+	case 44100:
+		return MTK_AFE_ADDA_DL_RATE_44K;
+	case 48000:
+		return MTK_AFE_ADDA_DL_RATE_48K;
+	case 96000:
+		return MTK_AFE_ADDA_DL_RATE_96K;
+	case 192000:
+		return MTK_AFE_ADDA_DL_RATE_192K;
+	default:
+		dev_info(afe->dev, "%s(), rate %d invalid, use 48kHz!!!\n",
+			 __func__, rate);
+		return MTK_AFE_ADDA_DL_RATE_48K;
+	}
+}
+EXPORT_SYMBOL_GPL(mtk_adda_dl_rate_transform);
+
+unsigned int mtk_adda_ul_rate_transform(struct mtk_base_afe *afe, u32 rate)
+{
+	switch (rate) {
+	case 8000:
+		return MTK_AFE_ADDA_UL_RATE_8K;
+	case 16000:
+		return MTK_AFE_ADDA_UL_RATE_16K;
+	case 32000:
+		return MTK_AFE_ADDA_UL_RATE_32K;
+	case 48000:
+		return MTK_AFE_ADDA_UL_RATE_48K;
+	case 96000:
+		return MTK_AFE_ADDA_UL_RATE_96K;
+	case 192000:
+		return MTK_AFE_ADDA_UL_RATE_192K;
+	default:
+		dev_info(afe->dev, "%s(), rate %d invalid, use 48kHz!!!\n",
+			 __func__, rate);
+		return MTK_AFE_ADDA_UL_RATE_48K;
+	}
+}
+EXPORT_SYMBOL_GPL(mtk_adda_ul_rate_transform);