1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright 2009, Matthias Fuchs <matthias.fuchs@esd.eu> 4 * 5 * SJA1000 register layout for basic CAN mode 6 */ 7 8 #ifndef _SJA1000_H_ 9 #define _SJA1000_H_ 10 11 /* 12 * SJA1000 register layout in basic can mode 13 */ 14 struct sja1000_basic_s { 15 u8 cr; 16 u8 cmr; 17 u8 sr; 18 u8 ir; 19 u8 ac; 20 u8 am; 21 u8 btr0; 22 u8 btr1; 23 u8 oc; 24 u8 txb[10]; 25 u8 rxb[10]; 26 u8 unused; 27 u8 cdr; 28 }; 29 30 /* control register */ 31 #define CR_RR 0x01 32 33 /* output control register */ 34 #define OC_MODE0 0x01 35 #define OC_MODE1 0x02 36 #define OC_POL0 0x04 37 #define OC_TN0 0x08 38 #define OC_TP0 0x10 39 #define OC_POL1 0x20 40 #define OC_TN1 0x40 41 #define OC_TP1 0x80 42 43 #endif 44