X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/a4c9ead4b64bd4de307f375c2ff313a7a07a06e0..04ac67cc3cac14cd601daacd0592121ec0b84012:/lincan/include/sja1000.h diff --git a/lincan/include/sja1000.h b/lincan/include/sja1000.h index bb6dd11..b329e2b 100644 --- a/lincan/include/sja1000.h +++ b/lincan/include/sja1000.h @@ -1,29 +1,55 @@ -/* sja1000.h - * Header file for the Linux CAN-bus driver. - * Written by Arnaud Westenberg email:arnaud@wanadoo.nl - * Rewritten for new CAN queues by Pavel Pisa - OCERA team member - * email:pisa@cmp.felk.cvut.cz - * This software is released under the GPL-License. - * Version lincan-0.3 17 Jun 2004 - */ +/**************************************************************************/ +/* File: sja1000.h - Philips/NXP SJA1000 chip legacy mode (deprecated) */ +/* */ +/* LinCAN - (Not only) Linux CAN bus driver */ +/* Copyright (C) 2002-2009 DCE FEE CTU Prague */ +/* Copyright (C) 2002-2009 Pavel Pisa */ +/* Funded by OCERA and FRESCOR IST projects */ +/* Based on CAN driver code by Arnaud Westenberg */ +/* */ +/* LinCAN is free software; you can redistribute it and/or modify it */ +/* under terms of the GNU General Public License as published by the */ +/* Free Software Foundation; either version 2, or (at your option) any */ +/* later version. LinCAN is distributed in the hope that it will be */ +/* useful, but WITHOUT ANY WARRANTY; without even the implied warranty */ +/* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU */ +/* General Public License for more details. You should have received a */ +/* copy of the GNU General Public License along with LinCAN; see file */ +/* COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, */ +/* Cambridge, MA 02139, USA. */ +/* */ +/* To allow use of LinCAN in the compact embedded systems firmware */ +/* and RT-executives (RTEMS for example), main authors agree with next */ +/* special exception: */ +/* */ +/* Including LinCAN header files in a file, instantiating LinCAN generics */ +/* or templates, or linking other files with LinCAN objects to produce */ +/* an application image/executable, does not by itself cause the */ +/* resulting application image/executable to be covered by */ +/* the GNU General Public License. */ +/* This exception does not however invalidate any other reasons */ +/* why the executable file might be covered by the GNU Public License. */ +/* Publication of enhanced or derived LinCAN files is required although. */ +/**************************************************************************/ -int sja1000_enable_configuration(struct chip_t *chip); -int sja1000_disable_configuration(struct chip_t *chip); -int sja1000_chip_config(struct chip_t *chip); -int sja1000_standard_mask(struct chip_t *chip, unsigned short code, unsigned short mask); -int sja1000_baud_rate(struct chip_t *chip, int rate, int clock, int sjw, +int sja1000_enable_configuration(struct canchip_t *chip); +int sja1000_disable_configuration(struct canchip_t *chip); +int sja1000_chip_config(struct canchip_t *chip); +int sja1000_standard_mask(struct canchip_t *chip, unsigned short code, unsigned short mask); +int sja1000_baud_rate(struct canchip_t *chip, int rate, int clock, int sjw, int sampl_pt, int flags); -int sja1000_pre_read_config(struct chip_t *chip, struct msgobj_t *obj); -int sja1000_pre_write_config(struct chip_t *chip, struct msgobj_t *obj, +int sja1000_pre_read_config(struct canchip_t *chip, struct msgobj_t *obj); +int sja1000_pre_write_config(struct canchip_t *chip, struct msgobj_t *obj, struct canmsg_t *msg); -int sja1000_send_msg(struct chip_t *chip, struct msgobj_t *obj, +int sja1000_send_msg(struct canchip_t *chip, struct msgobj_t *obj, struct canmsg_t *msg); -int sja1000_check_tx_stat(struct chip_t *chip); -int sja1000_set_btregs(struct chip_t *chip, unsigned short btr0, +int sja1000_check_tx_stat(struct canchip_t *chip); +int sja1000_set_btregs(struct canchip_t *chip, unsigned short btr0, unsigned short btr1); -int sja1000_start_chip(struct chip_t *chip); -int sja1000_stop_chip(struct chip_t *chip); -can_irqreturn_t sja1000_irq_handler(int irq, void *dev_id, struct pt_regs *regs); +int sja1000_start_chip(struct canchip_t *chip); +int sja1000_stop_chip(struct canchip_t *chip); +int sja1000_irq_handler(int irq, struct canchip_t *chip); +int sja1000_fill_chipspecops(struct canchip_t *chip); /* BasicCAN mode address map */ #define SJACR 0x00 /* Control register */ @@ -101,11 +127,19 @@ enum sja1000_BASIC_IR { /* Clock Divider Register */ enum sja1000_CDR { /* f_out = f_osc/(2*(CDR[2:0]+1)) or f_osc if CDR[2:0]==7 */ + sjaCDR_CLKOUT_DIV1 = 7, + sjaCDR_CLKOUT_DIV2 = 0, + sjaCDR_CLKOUT_DIV4 = 1, + sjaCDR_CLKOUT_DIV6 = 2, + sjaCDR_CLKOUT_DIV8 = 3, + sjaCDR_CLKOUT_DIV10 = 4, + sjaCDR_CLKOUT_DIV12 = 5, + sjaCDR_CLKOUT_DIV14 = 6, sjaCDR_CLKOUT_MASK = 7, sjaCDR_CLK_OFF = 1<<3, // Clock Off sjaCDR_RXINPEN = 1<<5, // TX1 output is RX irq output sjaCDR_CBP = 1<<6, // Input Comparator By-Pass - sjaCDR_PELICAN = 1<<7 // PeliCAN Mode + sjaCDR_PELICAN = 1<<7 // PeliCAN Mode }; /* Output Control Register */