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/*
* arch/sh/drivers/dma/dma-sh.h
*
* Copyright (C) 2000 Takashi YOSHII
* Copyright (C) 2003 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#ifndef __DMA_SH_H
#define __DMA_SH_H
/* Definitions for the SuperH DMAC */
#define REQ_L 0x00000000
#define REQ_E 0x00080000
#define RACK_H 0x00000000
#define RACK_L 0x00040000
#define ACK_R 0x00000000
#define ACK_W 0x00020000
#define ACK_H 0x00000000
#define ACK_L 0x00010000
#define DM_INC 0x00004000
#define DM_DEC 0x00008000
#define SM_INC 0x00001000
#define SM_DEC 0x00002000
#define RS_IN 0x00000200
#define RS_OUT 0x00000300
#define TM_BURST 0x0000080
#define TS_8 0x00000010
#define TS_16 0x00000020
#define TS_32 0x00000030
#define TS_64 0x00000000
#define TS_BLK 0x00000040
#define CHCR_DE 0x00000001
#define CHCR_TE 0x00000002
#define CHCR_IE 0x00000004
/* Define the default configuration for dual address memory-memory transfer.
* The 0x400 value represents auto-request, external->external.
*/
#define RS_DUAL (DM_INC | SM_INC | 0x400 | TS_32)
#define DMAOR_COD 0x00000008
#define DMAOR_AE 0x00000004
#define DMAOR_NMIF 0x00000002
#define DMAOR_DME 0x00000001
#define MAX_DMAC_CHANNELS (CONFIG_NR_ONCHIP_DMA_CHANNELS)
#endif /* __DMA_SH_H */
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