-/* 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 <rtl.h>
-#include <rtl_sync.h>
-#include <rtl_core.h>
-#include <rtl_mutex.h>
-#include <rtl_sched.h>
-#include <time.h>
-#endif /*CAN_WITH_RTL*/
-
-/*#define __NO_VERSION__*/
-/*#include <linux/module.h>*/
-
-#include <linux/version.h>
-#include <linux/wait.h>
-#include <linux/list.h>
-#include <linux/fs.h>
-#include <linux/ioport.h>
-#include <linux/delay.h>
-#include <linux/sched.h>
-#include <linux/interrupt.h>
-#include <asm/errno.h>
-
-#include <asm/io.h>
-#include <asm/atomic.h>
-#include <asm/irq.h>
-#include <asm/uaccess.h>
-
-#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 <linux/malloc.h>
-#else
-#include <linux/slab.h>
-#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"
projects / lincan.git / blobdiff