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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/sh/include/asm/dma-register.h
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/*

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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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