1 /* 2 * ALSA SoC Audio Layer - Rockchip SPDIF transceiver driver 3 * 4 * Copyright (c) 2015 Collabora Ltd. 5 * Author: Sjoerd Simons <sjoerd.simons@collabora.co.uk> 6 * 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. 10 */ 11 12 #ifndef _ROCKCHIP_SPDIF_H 13 #define _ROCKCHIP_SPDIF_H 14 15 /* 16 * CFGR 17 * transfer configuration register 18 */ 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) 22 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) 26 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) 30 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) 34 35 /* 36 * DMACR 37 * DMA control register 38 */ 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) 42 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) 46 47 /* 48 * XFER 49 * Transfer control register 50 */ 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) 54 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) 62 63 #endif /* _ROCKCHIP_SPDIF_H */ 64