The first round of I/O space pointers separation.

[lincan.git] / lincan / include / can_sysdep.h

diff --git a/lincan/include/can_sysdep.h b/lincan/include/can_sysdep.h
index f4d66a76683a36a8232c0a760415af74e5e7d43b..019f985198e63bf188858dc5fc900a8593238d22 100644 (file)
--- a/lincan/include/can_sysdep.h
+++ b/lincan/include/can_sysdep.h
@@ -155,6 +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