X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/50e9e47fc21191ea9ea758fea1e7f2bd5a275e98..9152514c81ee47c7941fc64204a3eaace518acbd:/embedded/app/usbcan/can/can_sysdep.h diff --git a/embedded/app/usbcan/can/can_sysdep.h b/embedded/app/usbcan/can/can_sysdep.h index 5a3b86c..2e23420 100644 --- a/embedded/app/usbcan/can/can_sysdep.h +++ b/embedded/app/usbcan/can/can_sysdep.h @@ -1,226 +1 @@ -/* 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 - */ - -#ifndef _CAN_SYSDEP_H -#define _CAN_SYSDEP_H - -#ifdef CAN_WITH_RTL -#include -#include -#include -#include -#include -#include -#endif /*CAN_WITH_RTL*/ - -/*#define __NO_VERSION__*/ -/*#include */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#include "lincan_config.h" - -/*optional features*/ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)) -#define CAN_ENABLE_KERN_FASYNC -#ifdef CONFIG_PCI -#define CAN_ENABLE_PCI_SUPPORT -#endif -#ifdef CONFIG_OC_LINCANVME -#define CAN_ENABLE_VME_SUPPORT -#endif -#endif - -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) -#include -#else -#include -#endif - -#ifdef CAN_ENABLE_PCI_SUPPORT -#include "linux/pci.h" -#endif /*CAN_ENABLE_PCI_SUPPORT*/ - -/* Next is not sctrictly correct, because of 2.3.0, 2.3.1, 2.3.2 - kernels need next definitions too */ -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,2,19)) /* may need correction */ - #define wait_queue_head_t struct wait_queue * - #define wait_queue_t struct wait_queue - #define init_waitqueue_head(queue_head) (*queue_head=NULL) - #define init_waitqueue_entry(qentry,qtask) \ - (qentry->next=NULL,qentry->task=qtask) - #define DECLARE_WAIT_QUEUE_HEAD(name) \ - struct wait_queue * name=NULL - #define DECLARE_WAITQUEUE(wait, current) \ - struct wait_queue wait = { current, NULL } - #define init_MUTEX(sem) (*sem=MUTEX) - #define DECLARE_MUTEX(name) struct semaphore name=MUTEX -#endif /* 2.2.19 */ - -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) && !defined(DECLARE_TASKLET) - #define tasklet_struct tq_struct - #define DECLARE_TASKLET(_name, _func, _data) \ - struct tq_struct _name = { sync: 0, routine: _func, data: (void*)_data } - - /* void tasklet_init(struct tasklet_struct *t, void (*func)(unsigned long), unsigned long data); */ - #define tasklet_init(_tasklet, _func, _data) \ - do{ \ - /* (_tasklet)->next=NULL; */ \ - /* Above not needed for 2.2.x and buggy for 2.4.x */ \ - (_tasklet)->sync=0; \ - (_tasklet)->routine=_func; \ - (_tasklet)->data=(void*)_data; \ - }while(0) - - /* void tasklet_schedule(struct tasklet_struct *t) */ - #define tasklet_schedule(_tasklet) \ - do{ \ - queue_task(_tasklet,&tq_immediate); \ - mark_bh(IMMEDIATE_BH); \ - }while(0) - - /* void tasklet_kill(struct tasklet_struct *t); */ - #define tasklet_kill(_tasklet) \ - synchronize_irq() - -#endif /* 2.4.0 */ - - -#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)) - -#else /* Linux kernel < 2.5.7 or >= 2.6.0 */ - -#define MINOR_NR \ - (minor(file->f_dentry->d_inode->i_rdev)) - -#endif /* Linux kernel < 2.5.7 or >= 2.6.0 */ - -#ifndef CAN_WITH_RTL -#if ((LINUX_VERSION_CODE < KERNEL_VERSION(2,5,68)) && !defined(IRQ_RETVAL)) - typedef void can_irqreturn_t; - #define CAN_IRQ_NONE - #define CAN_IRQ_HANDLED - #define CAN_IRQ_RETVAL(x) -#else /* <=2.5.67 */ - typedef irqreturn_t can_irqreturn_t; - #define CAN_IRQ_NONE IRQ_NONE - #define CAN_IRQ_HANDLED IRQ_HANDLED - #define CAN_IRQ_RETVAL IRQ_RETVAL -#endif /* <=2.5.67 */ -#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) -#endif /*CAN_WITH_RTL*/ - -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,33)) - #define can_synchronize_irq(irqnum) synchronize_irq() -#else /* >=2.5.33 */ - #define can_synchronize_irq synchronize_irq -#endif - -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) - #define del_timer_sync del_timer -#endif /* <2.4.0 */ - -#ifdef __HAVE_ARCH_CMPXCHG - #define CAN_HAVE_ARCH_CMPXCHG -#endif - -#ifndef CAN_WITH_RTL -/* Standard LINUX kernel */ - -#define can_spinlock_t spinlock_t -#define can_spin_irqflags_t unsigned long -#define can_spin_lock spin_lock -#define can_spin_unlock spin_unlock -#define can_spin_lock_irqsave spin_lock_irqsave -#define can_spin_unlock_irqrestore spin_unlock_irqrestore -#define can_spin_lock_init spin_lock_init - -#ifndef DEFINE_SPINLOCK -#define CAN_DEFINE_SPINLOCK(x) can_spinlock_t x = SPIN_LOCK_UNLOCKED -#else /*DEFINE_SPINLOCK*/ -#define CAN_DEFINE_SPINLOCK DEFINE_SPINLOCK -#endif /*DEFINE_SPINLOCK*/ - -#if defined(CONFIG_PREEMPT) || (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) -#define can_preempt_disable preempt_disable -#define can_preempt_enable preempt_enable -#else /*CONFIG_PREEMPT*/ -#define can_preempt_disable() do { } while (0) -#define can_preempt_enable() do { } while (0) -#endif /*CONFIG_PREEMPT*/ - -#define can_enable_irq enable_irq -#define can_disable_irq disable_irq - -#define can_printk printk - -/* CAN message timestamp source, it is called from interrupt context */ -#define can_gettimeofday do_gettimeofday - -#else /*CAN_WITH_RTL*/ - -#define can_spinlock_t rtl_spinlock_t -#define can_spin_irqflags_t rtl_irqstate_t -#define can_spin_lock rtl_spin_lock -#define can_spin_unlock rtl_spin_unlock -#define can_spin_lock_irqsave rtl_spin_lock_irqsave -#define can_spin_unlock_irqrestore rtl_spin_unlock_irqrestore -#define can_spin_lock_init rtl_spin_lock_init - -#define CAN_DEFINE_SPINLOCK(x) can_spinlock_t x = SPIN_LOCK_UNLOCKED - -#define can_preempt_disable() do { } while (0) -#define can_preempt_enable() do { } while (0) - -#define can_enable_irq rtl_hard_enable_irq -#define can_disable_irq rtl_hard_disable_irq - -#define can_printk rtl_printf - -/* - * terrible hack to test rtl_file private_data concept, ugh !!! - * 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) -#define can_get_rtl_file_private_data(fptr) ((void*)((fptr)->f_minor)) - -extern can_spinlock_t can_irq_manipulation_lock; - -/* CAN message timestamp source, it is called from interrupt context */ -#define can_gettimeofday(ptr) do {\ - struct timespec temp_timespec;\ - clock_gettime(CLOCK_REALTIME,&temp_timespec);\ - ptr->tv_usec=temp_timespec.tv_nsec/1000;\ - ptr->tv_sec=temp_timespec.tv_sec;\ - } while(0) - -#endif /*CAN_WITH_RTL*/ - -#endif /*_CAN_SYSDEP_H*/ +#include "can_sysless.h"