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 #include <asm/def_LPBlackfin.h>
  14
  15 #define __raw_readb bfin_read8
  16 #define __raw_readw bfin_read16
  17 #define __raw_readl bfin_read32
  18 #define __raw_writeb(val, addr) bfin_write8(addr, val)
  19 #define __raw_writew(val, addr) bfin_write16(addr, val)
  20 #define __raw_writel(val, addr) bfin_write32(addr, val)
  21
  22 extern void outsb(unsigned long port, const void *addr, unsigned long count);
  23 extern void outsw(unsigned long port, const void *addr, unsigned long count);
  24 extern void outsw_8(unsigned long port, const void *addr, unsigned long count);
  25 extern void outsl(unsigned long port, const void *addr, unsigned long count);
  26 #define outsb outsb
  27 #define outsw outsw
  28 #define outsl outsl
  29
  30 extern void insb(unsigned long port, void *addr, unsigned long count);
  31 extern void insw(unsigned long port, void *addr, unsigned long count);
  32 extern void insw_8(unsigned long port, void *addr, unsigned long count);
  33 extern void insl(unsigned long port, void *addr, unsigned long count);
  34 extern void insl_16(unsigned long port, void *addr, unsigned long count);
  35 #define insb insb
  36 #define insw insw
  37 #define insl insl
  38
  39 /**
  40  * I/O write barrier
  41  *
  42  * Ensure ordering of I/O space writes. This will make sure that writes
  43  * following the barrier will arrive after all previous writes.
  44  */
  45 #define mmiowb() do { SSYNC(); wmb(); } while (0)
  46
  47 #include <asm-generic/io.h>
  48
  49 #endif