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-rw-r--r--sound/soc/fsl/fsl_aud2htx.h67
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 000000000..ad70d6a76
--- /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 */