1 /* 2 * Copyright 2009, Matthias Fuchs <matthias.fuchs@esd.eu> 3 * 4 * SJA1000 register layout for basic CAN mode 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 #ifndef _SJA1000_H_ 10 #define _SJA1000_H_ 11 12 /* 13 * SJA1000 register layout in basic can mode 14 */ 15 struct sja1000_basic_s { 16 u8 cr; 17 u8 cmr; 18 u8 sr; 19 u8 ir; 20 u8 ac; 21 u8 am; 22 u8 btr0; 23 u8 btr1; 24 u8 oc; 25 u8 txb[10]; 26 u8 rxb[10]; 27 u8 unused; 28 u8 cdr; 29 }; 30 31 /* control register */ 32 #define CR_RR 0x01 33 34 /* output control register */ 35 #define OC_MODE0 0x01 36 #define OC_MODE1 0x02 37 #define OC_POL0 0x04 38 #define OC_TN0 0x08 39 #define OC_TP0 0x10 40 #define OC_POL1 0x20 41 #define OC_TN1 0x40 42 #define OC_TP1 0x80 43 44 #endif 45