1 /* SPDX-License-Identifier: GPL-2.0 1 2 * 3 * Common header for the legacy SH DMA 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 Regi 15 #define DAR 0x04 /* Destination Address 16 #define TCR 0x08 /* Transfer Count Regi 17 #define CHCR 0x0C /* Channel Control Reg 18 #define DMAOR 0x40 /* DMA Operation Regis 19 20 /* DMAOR definitions */ 21 #define DMAOR_AE 0x00000004 /* Add 22 #define DMAOR_NMIF 0x00000002 23 #define DMAOR_DME 0x00000001 /* DMA 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 35 #define DM_DEC 0x00008000 /* Destination 36 #define DM_FIX 0x0000c000 /* Destination 37 #define SM_INC 0x00001000 /* Source addr 38 #define SM_DEC 0x00002000 /* Source addr 39 #define SM_FIX 0x00003000 /* Source addr 40 #define RS_IN 0x00000200 41 #define RS_OUT 0x00000300 42 #define RS_AUTO 0x00000400 /* Auto Reques 43 #define RS_ERS 0x00000800 /* DMA extende 44 #define TS_BLK 0x00000040 45 #define TM_BUR 0x00000020 46 #define CHCR_DE 0x00000001 /* DMA Enable 47 #define CHCR_TE 0x00000002 /* Transfer En 48 #define CHCR_IE 0x00000004 /* Interrupt E 49 50 #endif 51
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.