1 files changed, 67 insertions, 0 deletions
diff --git a/sound/soc/fsl/fsl_aud2htx.h b/sound/soc/fsl/fsl_aud2htx.h
new file mode 100644
index 000000000000..ad70d6a7694c
--- /dev/null
+++ b/sound/soc/fsl/fsl_aud2htx.h
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2020 NXP
+ */
+
+#ifndef _FSL_AUD2HTX_H
+#define _FSL_AUD2HTX_H
+
+#define FSL_AUD2HTX_FORMATS (SNDRV_PCM_FMTBIT_S24_LE | \
+			     SNDRV_PCM_FMTBIT_S32_LE)
+
+/* AUD2HTX Register Map */
+#define AUD2HTX_CTRL          0x0   /* AUD2HTX Control Register */
+#define AUD2HTX_CTRL_EXT      0x4   /* AUD2HTX Control Extended Register */
+#define AUD2HTX_WR            0x8   /* AUD2HTX Write Register */
+#define AUD2HTX_STATUS        0xC   /* AUD2HTX Status Register */
+#define AUD2HTX_IRQ_NOMASK    0x10  /* AUD2HTX Nonmasked Interrupt Flags Register */
+#define AUD2HTX_IRQ_MASKED    0x14  /* AUD2HTX Masked Interrupt Flags Register */
+#define AUD2HTX_IRQ_MASK      0x18  /* AUD2HTX IRQ Masks Register */
+
+/* AUD2HTX Control Register */
+#define AUD2HTX_CTRL_EN          BIT(0)
+
+/* AUD2HTX Control Extended Register */
+#define AUD2HTX_CTRE_DE          BIT(0)
+#define AUD2HTX_CTRE_DT_SHIFT    0x1
+#define AUD2HTX_CTRE_DT_WIDTH    0x2
+#define AUD2HTX_CTRE_DT_MASK     ((BIT(AUD2HTX_CTRE_DT_WIDTH) - 1) \
+				 << AUD2HTX_CTRE_DT_SHIFT)
+#define AUD2HTX_CTRE_WL_SHIFT    16
+#define AUD2HTX_CTRE_WL_WIDTH    5
+#define AUD2HTX_CTRE_WL_MASK     ((BIT(AUD2HTX_CTRE_WL_WIDTH) - 1) \
+				 << AUD2HTX_CTRE_WL_SHIFT)
+#define AUD2HTX_CTRE_WH_SHIFT    24
+#define AUD2HTX_CTRE_WH_WIDTH    5
+#define AUD2HTX_CTRE_WH_MASK     ((BIT(AUD2HTX_CTRE_WH_WIDTH) - 1) \
+				 << AUD2HTX_CTRE_WH_SHIFT)
+
+/* AUD2HTX IRQ Masks Register */
+#define AUD2HTX_WM_HIGH_IRQ_MASK BIT(2)
+#define AUD2HTX_WM_LOW_IRQ_MASK  BIT(1)
+#define AUD2HTX_OVF_MASK         BIT(0)
+
+#define AUD2HTX_FIFO_DEPTH       0x20
+#define AUD2HTX_WTMK_LOW         0x10
+#define AUD2HTX_WTMK_HIGH        0x10
+#define AUD2HTX_MAXBURST         0x10
+
+/**
+ * fsl_aud2htx: AUD2HTX private data
+ *
+ * @pdev: platform device pointer
+ * @regmap: regmap handler
+ * @bus_clk: clock source to access register
+ * @dma_params_rx: DMA parameters for receive channel
+ * @dma_params_tx: DMA parameters for transmit channel
+ */
+struct fsl_aud2htx {
+	struct platform_device *pdev;
+	struct regmap *regmap;
+	struct clk *bus_clk;
+
+	struct snd_dmaengine_dai_dma_data dma_params_rx;
+	struct snd_dmaengine_dai_dma_data dma_params_tx;
+};
+
+#endif /* _FSL_AUD2HTX_H */