X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/2400133f2d0cb18784a9c2edb4d5e58a8500d175..831ccb1f14f7472962fc2d185f32e18105209bd7:/lincan/include/can_sysdep.h diff --git a/lincan/include/can_sysdep.h b/lincan/include/can_sysdep.h index 3966e8f..1009689 100644 --- a/lincan/include/can_sysdep.h +++ b/lincan/include/can_sysdep.h @@ -1,5 +1,5 @@ -/* can_sysdep.h - hides differences between individual Linux kernel - * versions and RT extensions +/* 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 @@ -129,11 +129,20 @@ #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)) @@ -146,6 +155,37 @@ #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) inb(ioaddr) + #define can_outw(data,ioaddr) outb(data,ioaddr) + #define can_inl(ioaddr) inb(ioaddr) + #define can_outl(data,ioaddr) outb(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)) +#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 #endif @@ -161,7 +201,13 @@ #define can_spin_unlock_irqrestore spin_unlock_irqrestore #define can_spin_lock_init spin_lock_init -#if defined(CONFIG_PREEMPT) || (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) +#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_RT) && ( 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*/ @@ -187,6 +233,8 @@ #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) @@ -197,7 +245,7 @@ /* * 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) @@ -215,4 +263,20 @@ extern can_spinlock_t can_irq_manipulation_lock; #endif /*CAN_WITH_RTL*/ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,4)) + #include + #define can_kthread_create kthread_create + #define can_kthread_run kthread_run + #define can_kthread_bind kthread_bind + #define can_kthread_stop kthread_stop + #define can_kthread_should_stop kthread_should_stop +#else + #define can_kthread_create + #define can_kthread_run + #define can_kthread_bind + #define can_kthread_stop + #define can_kthread_should_stop +#endif + + #endif /*_CAN_SYSDEP_H*/