| /* |
| * 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(0x0) |
| #define SPDIF_CFGR_VDW_20 SPDIF_CFGR_VDW(0x1) |
| #define SPDIF_CFGR_VDW_24 SPDIF_CFGR_VDW(0x2) |
| |
| /* |
| * 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 */ |
