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1/*
2 * Common header for the legacy SH DMA driver and the new dmaengine driver
3 *
4 * extracted from arch/sh/include/asm/dma-sh.h:
5 *
6 * Copyright (C) 2000 Takashi YOSHII
7 * Copyright (C) 2003 Paul Mundt
8 *
9 * This file is subject to the terms and conditions of the GNU General Public
10 * License. See the file "COPYING" in the main directory of this archive
11 * for more details.
12 */
13#ifndef DMA_REGISTER_H
14#define DMA_REGISTER_H
15
16/* DMA register */
17#define SAR 0x00
18#define DAR 0x04
19#define TCR 0x08
20#define CHCR 0x0C
21#define DMAOR 0x40
22
23/* DMAOR definitions */
24#define DMAOR_AE 0x00000004
25#define DMAOR_NMIF 0x00000002
26#define DMAOR_DME 0x00000001
27
28/* Definitions for the SuperH DMAC */
29#define REQ_L 0x00000000
30#define REQ_E 0x00080000
31#define RACK_H 0x00000000
32#define RACK_L 0x00040000
33#define ACK_R 0x00000000
34#define ACK_W 0x00020000
35#define ACK_H 0x00000000
36#define ACK_L 0x00010000
37#define DM_INC 0x00004000
38#define DM_DEC 0x00008000
39#define DM_FIX 0x0000c000
40#define SM_INC 0x00001000
41#define SM_DEC 0x00002000
42#define SM_FIX 0x00003000
43#define RS_IN 0x00000200
44#define RS_OUT 0x00000300
45#define TS_BLK 0x00000040
46#define TM_BUR 0x00000020
47#define CHCR_DE 0x00000001
48#define CHCR_TE 0x00000002
49#define CHCR_IE 0x00000004
50
51#endif
1/* SPDX-License-Identifier: GPL-2.0
2 *
3 * Common header for the legacy SH DMA driver and the new dmaengine driver
4 *
5 * extracted from arch/sh/include/asm/dma-sh.h:
6 *
7 * Copyright (C) 2000 Takashi YOSHII
8 * Copyright (C) 2003 Paul Mundt
9 */
10#ifndef DMA_REGISTER_H
11#define DMA_REGISTER_H
12
13/* DMA registers */
14#define SAR 0x00 /* Source Address Register */
15#define DAR 0x04 /* Destination Address Register */
16#define TCR 0x08 /* Transfer Count Register */
17#define CHCR 0x0C /* Channel Control Register */
18#define DMAOR 0x40 /* DMA Operation Register */
19
20/* DMAOR definitions */
21#define DMAOR_AE 0x00000004 /* Address Error Flag */
22#define DMAOR_NMIF 0x00000002
23#define DMAOR_DME 0x00000001 /* DMA Master Enable */
24
25/* Definitions for the SuperH DMAC */
26#define REQ_L 0x00000000
27#define REQ_E 0x00080000
28#define RACK_H 0x00000000
29#define RACK_L 0x00040000
30#define ACK_R 0x00000000
31#define ACK_W 0x00020000
32#define ACK_H 0x00000000
33#define ACK_L 0x00010000
34#define DM_INC 0x00004000 /* Destination addresses are incremented */
35#define DM_DEC 0x00008000 /* Destination addresses are decremented */
36#define DM_FIX 0x0000c000 /* Destination address is fixed */
37#define SM_INC 0x00001000 /* Source addresses are incremented */
38#define SM_DEC 0x00002000 /* Source addresses are decremented */
39#define SM_FIX 0x00003000 /* Source address is fixed */
40#define RS_IN 0x00000200
41#define RS_OUT 0x00000300
42#define RS_AUTO 0x00000400 /* Auto Request */
43#define RS_ERS 0x00000800 /* DMA extended resource selector */
44#define TS_BLK 0x00000040
45#define TM_BUR 0x00000020
46#define CHCR_DE 0x00000001 /* DMA Enable */
47#define CHCR_TE 0x00000002 /* Transfer End Flag */
48#define CHCR_IE 0x00000004 /* Interrupt Enable */
49
50#endif