| /* |
| * 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 */ |
| |
