8b1935e6a3
Separate SH DMA headers into ones, commonly used by both drivers, and ones, specific to each of them. This will make the future development of the dmaengine driver easier. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
/*
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* Common header for the legacy SH DMA driver and the new dmaengine driver
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*
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* extracted from arch/sh/include/asm/dma-sh.h:
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*
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* Copyright (C) 2000 Takashi YOSHII
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* Copyright (C) 2003 Paul Mundt
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#ifndef DMA_REGISTER_H
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#define DMA_REGISTER_H
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/* DMA register */
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#define SAR 0x00
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#define DAR 0x04
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#define TCR 0x08
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#define CHCR 0x0C
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#define DMAOR 0x40
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/* DMAOR definitions */
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#define DMAOR_AE 0x00000004
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#define DMAOR_NMIF 0x00000002
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#define DMAOR_DME 0x00000001
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/* Definitions for the SuperH DMAC */
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#define REQ_L 0x00000000
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#define REQ_E 0x00080000
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#define RACK_H 0x00000000
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#define RACK_L 0x00040000
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#define ACK_R 0x00000000
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#define ACK_W 0x00020000
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#define ACK_H 0x00000000
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#define ACK_L 0x00010000
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#define DM_INC 0x00004000
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#define DM_DEC 0x00008000
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#define DM_FIX 0x0000c000
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#define SM_INC 0x00001000
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#define SM_DEC 0x00002000
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#define SM_FIX 0x00003000
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#define RS_IN 0x00000200
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#define RS_OUT 0x00000300
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#define TS_BLK 0x00000040
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#define TM_BUR 0x00000020
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#define CHCR_DE 0x00000001
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#define CHCR_TE 0x00000002
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#define CHCR_IE 0x00000004
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#endif
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