The LinCAN driver license unified according to DCE FEE CTU head and superiors request.

[lincan.git] / lincan / include / sja1000.h

diff --git a/lincan/include/sja1000.h b/lincan/include/sja1000.h
index 16dc20c824b0f8b296d1bdb982a5603cf4617c19..e592acbc9638fdc9cf486fe23397e794b7c5be93 100644 (file)
--- a/lincan/include/sja1000.h
+++ b/lincan/include/sja1000.h
@@ -1,30 +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 <http://dce.felk.cvut.cz>   */
+/* Copyright (C) 2002-2009 Pavel Pisa <pisa@cmp.felk.cvut.cz>             */
+/* Funded by OCERA and FRESCOR IST projects                               */
+/* Based on CAN driver code by Arnaud Westenberg <arnaud@wanadoo.nl>      */
+/*                                                                        */
+/* 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_fill_chipspecops(struct chip_t *chip);
+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 */
@@ -102,6 +127,14 @@ 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