-/* constants.h
- * Header file for the Linux CAN-bus driver.
- * Written by Arnaud Westenberg email:arnaud@wanadoo.nl
- * This software is released under the GPL-License.
- * Version 0.7 6 Aug 2001
- */
+/**************************************************************************/
+/* File: constants.h - driver build time constant parameters */
+/* */
+/* 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. */
+/**************************************************************************/
-#ifdef __CONSTANTS_H__
-#else
+#ifndef __CONSTANTS_H__
#define __CONSTANTS_H__
/* Device name as it will appear in /proc/devices */
#define DEVICE_NAME "can"
+/* Branch of the driver */
+#define CAN_DRV_BRANCH (('L'<<24)|('I'<<16)|('N'<<8)|'C')
+
+/* Version of the driver */
+#define CAN_DRV_VER_MAJOR 0
+#define CAN_DRV_VER_MINOR 3
+#define CAN_DRV_VER_PATCH 5
+#define CAN_DRV_VER ((CAN_DRV_VER_MAJOR<<16) | (CAN_DRV_VER_MINOR<<8) | CAN_DRV_VER_PATCH)
+
/* Default driver major number, see /usr/src/linux/Documentation/devices.txt */
#define CAN_MAJOR 91
-/* Timeout in jiffies before the system calls return with an error */
-#define CANTIMEOUT (4*HZ)
-
/* Definition of the maximum number of concurrent supported hardware boards,
* chips per board, total number of chips, interrupts and message objects.
* Obviously there are no 32 different interrupts, but each chip can have its
#define MAX_HW_CARDS 8
#define MAX_HW_CHIPS 4
#define MAX_TOT_CHIPS (MAX_HW_CHIPS*MAX_HW_CARDS)
+#define MAX_TOT_CHIPS_STR 32 /* must be explicit for MODULE_PARM */
#define MAX_IRQ 32
-#define MAX_MSGOBJS 15
+#define MAX_MSGOBJS 32
#define MAX_TOT_MSGOBJS (MAX_TOT_CHIPS*MAX_MSGOBJS)
#define MAX_BUF_LENGTH 64
+//#define MAX_BUF_LENGTH 4
-#define IE (1<<1)
-#define SIE (1<<2)
-#define EIE (1<<3)
-
-#define SPACING 0x3c0
/* These flags can be used for the msgobj_t structure flags data entry */
-#define OPENED (1<<0)
+#define MSGOBJ_OPENED_b 0
+#define MSGOBJ_TX_REQUEST_b 1
+#define MSGOBJ_TX_LOCK_b 2
+#define MSGOBJ_IRQ_REQUEST_b 3
+#define MSGOBJ_WORKER_WAKE_b 4
+#define MSGOBJ_FILTCH_REQUEST_b 5
+#define MSGOBJ_RX_MODE_b 6
+#define MSGOBJ_RX_MODE_EXT_b 7
+#define MSGOBJ_TX_PENDING_b 8
+
+#define MSGOBJ_OPENED (1<<MSGOBJ_OPENED_b)
+#define MSGOBJ_TX_REQUEST (1<<MSGOBJ_TX_REQUEST_b)
+#define MSGOBJ_TX_LOCK (1<<MSGOBJ_TX_LOCK_b)
+#define MSGOBJ_IRQ_REQUEST (1<<MSGOBJ_IRQ_REQUEST_b)
+#define MSGOBJ_WORKER_WAKE (1<<MSGOBJ_WORKER_WAKE_b)
+#define MSGOBJ_FILTCH_REQUEST (1<<MSGOBJ_FILTCH_REQUEST_b)
+#define MSGOBJ_RX_MODE (1<<MSGOBJ_RX_MODE_b)
+#define MSGOBJ_RX_MODE_EXT (1<<MSGOBJ_RX_MODE_EXT_b)
+#define MSGOBJ_TX_PENDING (1<<MSGOBJ_TX_PENDING_b)
-/* These flags can be used for the chip_t structure flags data entry */
-#define CONFIGURED (1<<0)
-#define SEGMENTED (1<<1)
+#define can_msgobj_test_fl(obj,obj_fl) \
+ test_bit(MSGOBJ_##obj_fl##_b,&(obj)->obj_flags)
+#define can_msgobj_set_fl(obj,obj_fl) \
+ set_bit(MSGOBJ_##obj_fl##_b,&(obj)->obj_flags)
+#define can_msgobj_clear_fl(obj,obj_fl) \
+ clear_bit(MSGOBJ_##obj_fl##_b,&(obj)->obj_flags)
+#define can_msgobj_test_and_set_fl(obj,obj_fl) \
+ test_and_set_bit(MSGOBJ_##obj_fl##_b,&(obj)->obj_flags)
+#define can_msgobj_test_and_clear_fl(obj,obj_fl) \
+ test_and_clear_bit(MSGOBJ_##obj_fl##_b,&(obj)->obj_flags)
+
+
+/* These flags can be used for the canchip_t structure flags data entry */
+#define CHIP_ATTACHED (1<<0) /* chip is attached to HW, release_chip() has to be called */
+#define CHIP_CONFIGURED (1<<1) /* chip is configured and prepared for communication */
+#define CHIP_SEGMENTED (1<<2) /* segmented access, ex: i82527 with 16 byte window*/
+#define CHIP_IRQ_SETUP (1<<3) /* IRQ handler has been set */
+#define CHIP_IRQ_PCI (1<<4) /* chip is on PCI board and uses PCI interrupt */
+#define CHIP_IRQ_VME (1<<5) /* interrupt is VME bus and requires VME bridge */
+#define CHIP_IRQ_CUSTOM (1<<6) /* custom interrupt provided by board or chip code */
+#define CHIP_IRQ_FAST (1<<7) /* interrupt handler only schedules postponed processing */
+#define CHIP_KEEP_DATA (1<<8) /* let the hotplug device free its chip_data structure itself */
+
+#define CHIP_MAX_IRQLOOP 1000
+
+/* System independent defines of IRQ handled state */
+#define CANCHIP_IRQ_NONE 0
+#define CANCHIP_IRQ_HANDLED 1
+#define CANCHIP_IRQ_ACCEPTED 2
+#define CANCHIP_IRQ_STUCK 3
/* These flags can be used for the candevices_t structure flags data entry */
-#define PROGRAMMABLE_IRQ (1<<0)
+#define CANDEV_PROGRAMMABLE_IRQ (1<<0)
+#define CANDEV_IO_RESERVED (1<<1)
+
+/* Next flags are specific for struct canuser_t applications connection */
+#define CANUSER_RTL_CLIENT (1<<0)
+#define CANUSER_RTL_MEM (1<<1)
+#define CANUSER_DIRECT (1<<2)
+
enum timing_BTR1 {
MAX_TSEG1 = 15,
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