Merge branch 'master' into can-usb1
[lincan.git] / lincan / include / can_sysdep.h
index 5d57f5c..1009689 100644 (file)
   #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))
   #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
 #define CAN_DEFINE_SPINLOCK        DEFINE_SPINLOCK
 #endif /*DEFINE_SPINLOCK*/
 
-#if defined(CONFIG_PREEMPT) || (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
+#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*/