X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/8d0fc60587eda616dc0697ba55a50cfe04edb3a6..1a9e7b0fc69ea363700b9ff37865caebdec2ce52:/lincan/include/constants.h diff --git a/lincan/include/constants.h b/lincan/include/constants.h index 4e18c7b..006b45b 100644 --- a/lincan/include/constants.h +++ b/lincan/include/constants.h @@ -1,11 +1,36 @@ -/* constants.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-0.2 9 Jul 2003 - */ +/**************************************************************************/ +/* File: constants.h - driver build time constant parameters */ +/* */ +/* 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. */ +/**************************************************************************/ #ifndef __CONSTANTS_H__ #define __CONSTANTS_H__ @@ -18,8 +43,8 @@ /* Version of the driver */ #define CAN_DRV_VER_MAJOR 0 -#define CAN_DRV_VER_MINOR 2 -#define CAN_DRV_VER_PATCH 1 +#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 */ @@ -35,7 +60,7 @@ #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 @@ -48,6 +73,9 @@ #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<obj_flags) @@ -68,12 +99,24 @@ test_and_clear_bit(MSGOBJ_##obj_fl##_b,&(obj)->obj_flags) -/* These flags can be used for the chip_t structure flags data entry */ -#define CHIP_CONFIGURED (1<<0) -#define CHIP_SEGMENTED (1<<1) -#define CHIP_IRQ_SETUP (1<<2) -#define CHIP_IRQ_PCI (1<<3) -#define CHIP_IRQ_VME (1<<4) +/* 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 CANDEV_PROGRAMMABLE_IRQ (1<<0)