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60 lines
1.7 KiB
60 lines
1.7 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* ALSA SoC Audio Layer - Rockchip SPDIF transceiver driver |
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* |
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* Copyright (c) 2015 Collabora Ltd. |
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* Author: Sjoerd Simons <[email protected]> |
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*/ |
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#ifndef _ROCKCHIP_SPDIF_H |
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#define _ROCKCHIP_SPDIF_H |
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/* |
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* CFGR |
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* transfer configuration register |
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*/ |
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#define SPDIF_CFGR_CLK_DIV_SHIFT (16) |
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#define SPDIF_CFGR_CLK_DIV_MASK (0xff << SPDIF_CFGR_CLK_DIV_SHIFT) |
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#define SPDIF_CFGR_CLK_DIV(x) (x << SPDIF_CFGR_CLK_DIV_SHIFT) |
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#define SPDIF_CFGR_HALFWORD_SHIFT 2 |
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#define SPDIF_CFGR_HALFWORD_DISABLE (0 << SPDIF_CFGR_HALFWORD_SHIFT) |
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#define SPDIF_CFGR_HALFWORD_ENABLE (1 << SPDIF_CFGR_HALFWORD_SHIFT) |
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#define SPDIF_CFGR_VDW_SHIFT 0 |
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#define SPDIF_CFGR_VDW(x) (x << SPDIF_CFGR_VDW_SHIFT) |
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#define SDPIF_CFGR_VDW_MASK (0xf << SPDIF_CFGR_VDW_SHIFT) |
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#define SPDIF_CFGR_VDW_16 SPDIF_CFGR_VDW(0x0) |
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#define SPDIF_CFGR_VDW_20 SPDIF_CFGR_VDW(0x1) |
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#define SPDIF_CFGR_VDW_24 SPDIF_CFGR_VDW(0x2) |
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/* |
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* DMACR |
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* DMA control register |
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*/ |
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#define SPDIF_DMACR_TDE_SHIFT 5 |
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#define SPDIF_DMACR_TDE_DISABLE (0 << SPDIF_DMACR_TDE_SHIFT) |
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#define SPDIF_DMACR_TDE_ENABLE (1 << SPDIF_DMACR_TDE_SHIFT) |
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#define SPDIF_DMACR_TDL_SHIFT 0 |
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#define SPDIF_DMACR_TDL(x) ((x) << SPDIF_DMACR_TDL_SHIFT) |
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#define SPDIF_DMACR_TDL_MASK (0x1f << SPDIF_DMACR_TDL_SHIFT) |
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/* |
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* XFER |
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* Transfer control register |
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*/ |
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#define SPDIF_XFER_TXS_SHIFT 0 |
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#define SPDIF_XFER_TXS_STOP (0 << SPDIF_XFER_TXS_SHIFT) |
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#define SPDIF_XFER_TXS_START (1 << SPDIF_XFER_TXS_SHIFT) |
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#define SPDIF_CFGR (0x0000) |
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#define SPDIF_SDBLR (0x0004) |
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#define SPDIF_DMACR (0x0008) |
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#define SPDIF_INTCR (0x000c) |
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#define SPDIF_INTSR (0x0010) |
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#define SPDIF_XFER (0x0018) |
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#define SPDIF_SMPDR (0x0020) |
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#endif /* _ROCKCHIP_SPDIF_H */
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