2 * ALSA SoC Audio Layer - Rockchip SPDIF transceiver driver
4 * Copyright (c) 2015 Collabora Ltd.
5 * Author: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
12 #ifndef _ROCKCHIP_SPDIF_H
13 #define _ROCKCHIP_SPDIF_H
17 * transfer configuration register
19 #define SPDIF_CFGR_CLK_DIV_SHIFT (16)
20 #define SPDIF_CFGR_CLK_DIV_MASK (0xff << SPDIF_CFGR_CLK_DIV_SHIFT)
21 #define SPDIF_CFGR_CLK_DIV(x) (x << SPDIF_CFGR_CLK_DIV_SHIFT)
23 #define SPDIF_CFGR_HALFWORD_SHIFT 2
24 #define SPDIF_CFGR_HALFWORD_DISABLE (0 << SPDIF_CFGR_HALFWORD_SHIFT)
25 #define SPDIF_CFGR_HALFWORD_ENABLE (1 << SPDIF_CFGR_HALFWORD_SHIFT)
27 #define SPDIF_CFGR_VDW_SHIFT 0
28 #define SPDIF_CFGR_VDW(x) (x << SPDIF_CFGR_VDW_SHIFT)
29 #define SDPIF_CFGR_VDW_MASK (0xf << SPDIF_CFGR_VDW_SHIFT)
31 #define SPDIF_CFGR_VDW_16 SPDIF_CFGR_VDW(0x0)
32 #define SPDIF_CFGR_VDW_20 SPDIF_CFGR_VDW(0x1)
33 #define SPDIF_CFGR_VDW_24 SPDIF_CFGR_VDW(0x2)
37 * DMA control register
39 #define SPDIF_DMACR_TDE_SHIFT 5
40 #define SPDIF_DMACR_TDE_DISABLE (0 << SPDIF_DMACR_TDE_SHIFT)
41 #define SPDIF_DMACR_TDE_ENABLE (1 << SPDIF_DMACR_TDE_SHIFT)
43 #define SPDIF_DMACR_TDL_SHIFT 0
44 #define SPDIF_DMACR_TDL(x) ((x) << SPDIF_DMACR_TDL_SHIFT)
45 #define SPDIF_DMACR_TDL_MASK (0x1f << SPDIF_DMACR_TDL_SHIFT)
49 * Transfer control register
51 #define SPDIF_XFER_TXS_SHIFT 0
52 #define SPDIF_XFER_TXS_STOP (0 << SPDIF_XFER_TXS_SHIFT)
53 #define SPDIF_XFER_TXS_START (1 << SPDIF_XFER_TXS_SHIFT)
55 #define SPDIF_CFGR (0x0000)
56 #define SPDIF_SDBLR (0x0004)
57 #define SPDIF_DMACR (0x0008)
58 #define SPDIF_INTCR (0x000c)
59 #define SPDIF_INTSR (0x0010)
60 #define SPDIF_XFER (0x0018)
61 #define SPDIF_SMPDR (0x0020)
63 #endif /* _ROCKCHIP_SPDIF_H */