X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/e7e3f264f7b6c4b48288cc7a72198d3303fe96a4..989218c6c2ba15f150dd815acb978b6ca092c85e:/lincan/include/can_sysdep.h diff --git a/lincan/include/can_sysdep.h b/lincan/include/can_sysdep.h index 539a38e..165d4a1 100644 --- a/lincan/include/can_sysdep.h +++ b/lincan/include/can_sysdep.h @@ -1,11 +1,36 @@ -/* 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 */ +/* Copyright (C) 2002-2009 Pavel Pisa */ +/* 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 @@ -30,6 +55,7 @@ #include #include #include +#include #include #include @@ -107,13 +133,13 @@ #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,7)) || (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) -#define MINOR_NR \ - (MINOR(file->f_dentry->d_inode->i_rdev)) +#define INODE2MINOR_NR(inode) \ + (MINOR(inode->i_rdev)) #else /* Linux kernel < 2.5.7 or >= 2.6.0 */ -#define MINOR_NR \ - (minor(file->f_dentry->d_inode->i_rdev)) +#define INODE2MINOR_NR(inode) \ + (minor(inode->i_rdev)) #endif /* Linux kernel < 2.5.7 or >= 2.6.0 */ @@ -129,11 +155,20 @@ #define CAN_IRQ_HANDLED IRQ_HANDLED #define CAN_IRQ_RETVAL IRQ_RETVAL #endif /* <=2.5.67 */ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)) + #define CAN_IRQ_HANDLER_ARGS(irq_number, dev_id) \ + int irq_number, void *dev_id, struct pt_regs *regs +#else /* < 2.6.19 */ + #define CAN_IRQ_HANDLER_ARGS(irq_number, dev_id) \ + int irq_number, void *dev_id +#endif /* < 2.6.19 */ #else /*CAN_WITH_RTL*/ typedef int can_irqreturn_t; #define CAN_IRQ_NONE 0 #define CAN_IRQ_HANDLED 1 #define CAN_IRQ_RETVAL(x) ((x) != 0) + #define CAN_IRQ_HANDLER_ARGS(irq_number, dev_id) \ + int irq_number, void *dev_id, struct pt_regs *regs #endif /*CAN_WITH_RTL*/ #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,33)) @@ -146,8 +181,54 @@ #define del_timer_sync del_timer #endif /* <2.4.0 */ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9)) + typedef unsigned long can_ioptr_t; + #define can_ioptr2ulong(ioaddr) ((unsigned long)(ioaddr)) + #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) 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) 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 +#define can_writeb writeb +#define can_readw readw +#define can_writew writew +#define can_readl readl +#define can_writel writel + +#define can_ioport2ioptr can_ulong2ioptr + #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 + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)) + #define can_pci_dev_get(_M_pdev) (_M_pdev) + #define can_pci_dev_put(_M_pdev) do {} while(0) + #define can_pci_get_device pci_find_device + #define can_pci_get_subsys pci_find_subsys +#else /* > 2.6.0 */ + #define can_pci_dev_get pci_dev_get + #define can_pci_dev_put pci_dev_put + #define can_pci_get_device pci_get_device + #define can_pci_get_subsys pci_get_subsys #endif #ifndef CAN_WITH_RTL @@ -205,7 +286,7 @@ /* * terrible hack to test rtl_file private_data concept, ugh !!! - * this would result in crash on architectures, where + * this would result in crash on architectures, where * sizeof(int) < sizeof(void *) */ #define can_set_rtl_file_private_data(fptr, p) do{ fptr->f_minor=(long)(p); } while(0)