1 /* 2 * Copyright 2009, Matthias Fuchs <matthias.fuchs@esd.eu> 3 * 4 * SJA1000 register layout for basic CAN mode 5 * 6 * See file CREDITS for list of people who contributed to this 7 * project. 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License as 11 * published by the Free Software Foundation; either version 2 of 12 * the License, or (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 22 * MA 02111-1307 USA 23 */ 24 25 #ifndef _SJA1000_H_ 26 #define _SJA1000_H_ 27 28 /* 29 * SJA1000 register layout in basic can mode 30 */ 31 struct sja1000_basic_s { 32 u8 cr; 33 u8 cmr; 34 u8 sr; 35 u8 ir; 36 u8 ac; 37 u8 am; 38 u8 btr0; 39 u8 btr1; 40 u8 oc; 41 u8 txb[10]; 42 u8 rxb[10]; 43 u8 unused; 44 u8 cdr; 45 }; 46 47 /* control register */ 48 #define CR_RR 0x01 49 50 /* output control register */ 51 #define OC_MODE0 0x01 52 #define OC_MODE1 0x02 53 #define OC_POL0 0x04 54 #define OC_TN0 0x08 55 #define OC_TP0 0x10 56 #define OC_POL1 0x20 57 #define OC_TN1 0x40 58 #define OC_TP1 0x80 59 60 #endif 61