-/* can_sysdep.h - hides differences between individual Linux kernel
- * versions and RT extensions
- * Linux CAN-bus device driver.
- * Written 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: can_sysdep.h - hides differences between individual Linux kernel */
+/* versions and RT extensions */
+/* */
+/* 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 */
+/* */
+/* 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 _CAN_SYSDEP_H
#define _CAN_SYSDEP_H
#define can_ulong2ioptr(addr) ((unsigned long)(addr))
#define can_inb(ioaddr) inb(ioaddr)
#define can_outb(data,ioaddr) outb(data,ioaddr)
- #define can_inw(ioaddr) inb(ioaddr)
- #define can_outw(data,ioaddr) outb(data,ioaddr)
- #define can_inl(ioaddr) inb(ioaddr)
- #define can_outl(data,ioaddr) outb(data,ioaddr)
+ #define can_inw(ioaddr) inw(ioaddr)
+ #define can_outw(data,ioaddr) outw(data,ioaddr)
+ #define can_inl(ioaddr) inl(ioaddr)
+ #define can_outl(data,ioaddr) outl(data,ioaddr)
#else /* >=2.6.9 */
typedef void __iomem * can_ioptr_t;
#define can_ioptr2ulong(ioaddr) ((unsigned long __force)(ioaddr))
#define can_ulong2ioptr(addr) ((can_ioptr_t)(addr))
#define can_inb(ioaddr) inb(can_ioptr2ulong(ioaddr))
#define can_outb(data,ioaddr) outb(data,can_ioptr2ulong(ioaddr))
- #define can_inw(ioaddr) inb(can_ioptr2ulong(ioaddr))
- #define can_outw(data,ioaddr) outb(data,can_ioptr2ulong(ioaddr))
- #define can_inl(ioaddr) inb(can_ioptr2ulong(ioaddr))
- #define can_outl(data,ioaddr) outb(data,can_ioptr2ulong(ioaddr))
+ #define can_inw(ioaddr) inw(can_ioptr2ulong(ioaddr))
+ #define can_outw(data,ioaddr) outw(data,can_ioptr2ulong(ioaddr))
+ #define can_inl(ioaddr) inl(can_ioptr2ulong(ioaddr))
+ #define can_outl(data,ioaddr) outl(data,can_ioptr2ulong(ioaddr))
#endif
#define can_readb readb
#ifdef __HAVE_ARCH_CMPXCHG
#define CAN_HAVE_ARCH_CMPXCHG
+ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
+ #define CAN_HAVE_ATOMIC_CMPXCHG
+ #endif
#endif
#ifndef CAN_WITH_RTL