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-rw-r--r--sound/soc/rockchip/rockchip_spdif.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/sound/soc/rockchip/rockchip_spdif.h b/sound/soc/rockchip/rockchip_spdif.h
new file mode 100644
index 000000000000..07f86a21046a
--- /dev/null
+++ b/sound/soc/rockchip/rockchip_spdif.h
@@ -0,0 +1,63 @@
+/*
+ * ALSA SoC Audio Layer - Rockchip SPDIF transceiver driver
+ *
+ * Copyright (c) 2015 Collabora Ltd.
+ * Author: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _ROCKCHIP_SPDIF_H
+#define _ROCKCHIP_SPDIF_H
+
+/*
+ * CFGR
+ * transfer configuration register
+*/
+#define SPDIF_CFGR_CLK_DIV_SHIFT (16)
+#define SPDIF_CFGR_CLK_DIV_MASK (0xff << SPDIF_CFGR_CLK_DIV_SHIFT)
+#define SPDIF_CFGR_CLK_DIV(x) (x << SPDIF_CFGR_CLK_DIV_SHIFT)
+
+#define SPDIF_CFGR_HALFWORD_SHIFT 2
+#define SPDIF_CFGR_HALFWORD_DISABLE (0 << SPDIF_CFGR_HALFWORD_SHIFT)
+#define SPDIF_CFGR_HALFWORD_ENABLE (1 << SPDIF_CFGR_HALFWORD_SHIFT)
+
+#define SPDIF_CFGR_VDW_SHIFT 0
+#define SPDIF_CFGR_VDW(x) (x << SPDIF_CFGR_VDW_SHIFT)
+#define SDPIF_CFGR_VDW_MASK (0xf << SPDIF_CFGR_VDW_SHIFT)
+
+#define SPDIF_CFGR_VDW_16 SPDIF_CFGR_VDW(0x00)
+#define SPDIF_CFGR_VDW_20 SPDIF_CFGR_VDW(0x01)
+#define SPDIF_CFGR_VDW_24 SPDIF_CFGR_VDW(0x10)
+
+/*
+ * DMACR
+ * DMA control register
+*/
+#define SPDIF_DMACR_TDE_SHIFT 5
+#define SPDIF_DMACR_TDE_DISABLE (0 << SPDIF_DMACR_TDE_SHIFT)
+#define SPDIF_DMACR_TDE_ENABLE (1 << SPDIF_DMACR_TDE_SHIFT)
+
+#define SPDIF_DMACR_TDL_SHIFT 0
+#define SPDIF_DMACR_TDL(x) ((x) << SPDIF_DMACR_TDL_SHIFT)
+#define SPDIF_DMACR_TDL_MASK (0x1f << SDPIF_DMACR_TDL_SHIFT)
+
+/*
+ * XFER
+ * Transfer control register
+*/
+#define SPDIF_XFER_TXS_SHIFT 0
+#define SPDIF_XFER_TXS_STOP (0 << SPDIF_XFER_TXS_SHIFT)
+#define SPDIF_XFER_TXS_START (1 << SPDIF_XFER_TXS_SHIFT)
+
+#define SPDIF_CFGR (0x0000)
+#define SPDIF_SDBLR (0x0004)
+#define SPDIF_DMACR (0x0008)
+#define SPDIF_INTCR (0x000c)
+#define SPDIF_INTSR (0x0010)
+#define SPDIF_XFER (0x0018)
+#define SPDIF_SMPDR (0x0020)
+
+#endif /* _ROCKCHIP_SPDIF_H */