arch/blackfin/include/asm/io.h

   1 /*
   2  * Copyright 2004-2010 Analog Devices Inc.
   3  *
   4  * Licensed under the GPL-2 or later.
   5  */
   6
   7 #ifndef _BFIN_IO_H
   8 #define _BFIN_IO_H
   9
  10 #include <linux/compiler.h>
  11 #include <linux/types.h>
  12 #include <asm/byteorder.h>
  13
  14 #define __raw_readb bfin_read8
  15 #define __raw_readw bfin_read16
  16 #define __raw_readl bfin_read32
  17 #define __raw_writeb(val, addr) bfin_write8(addr, val)
  18 #define __raw_writew(val, addr) bfin_write16(addr, val)
  19 #define __raw_writel(val, addr) bfin_write32(addr, val)
  20
  21 extern void outsb(unsigned long port, const void *addr, unsigned long count);
  22 extern void outsw(unsigned long port, const void *addr, unsigned long count);
  23 extern void outsw_8(unsigned long port, const void *addr, unsigned long count);
  24 extern void outsl(unsigned long port, const void *addr, unsigned long count);
  25 #define outsb outsb
  26 #define outsw outsw
  27 #define outsl outsl
  28
  29 extern void insb(unsigned long port, void *addr, unsigned long count);
  30 extern void insw(unsigned long port, void *addr, unsigned long count);
  31 extern void insw_8(unsigned long port, void *addr, unsigned long count);
  32 extern void insl(unsigned long port, void *addr, unsigned long count);
  33 extern void insl_16(unsigned long port, void *addr, unsigned long count);
  34 #define insb insb
  35 #define insw insw
  36 #define insl insl
  37
  38 /**
  39  * I/O write barrier
  40  *
  41  * Ensure ordering of I/O space writes. This will make sure that writes
  42  * following the barrier will arrive after all previous writes.
  43  */
  44 #define mmiowb() do { SSYNC(); wmb(); } while (0)
  45
  46 #include <asm-generic/io.h>
  47
  48 #endif