/*
   * Copyright 2006 PathScale, Inc.  All Rights Reserved.
   *
   * This file is free software; you can redistribute it and/or modify
   * it under the terms of version 2 of the GNU General Public License
   * as published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
   */
  
  #ifndef _LINUX_IO_H
  #define _LINUX_IO_H

  #include <linux/types.h>

  #include <asm/io.h>

  #include <asm/page.h>

  struct device;

  void __iowrite32_copy(void __iomem *to, const void *from, size_t count);

  void __iowrite64_copy(void __iomem *to, const void *from, size_t count);

  #ifdef CONFIG_MMU

  int ioremap_page_range(unsigned long addr, unsigned long end,

  		       phys_addr_t phys_addr, pgprot_t prot);

  #else
  static inline int ioremap_page_range(unsigned long addr, unsigned long end,

  				     phys_addr_t phys_addr, pgprot_t prot)

  {
  	return 0;
  }
  #endif

  /*
   * Managed iomap interface
   */

  #ifdef CONFIG_HAS_IOPORT

  void __iomem * devm_ioport_map(struct device *dev, unsigned long port,
  			       unsigned int nr);
  void devm_ioport_unmap(struct device *dev, void __iomem *addr);

  #else
  static inline void __iomem *devm_ioport_map(struct device *dev,
  					     unsigned long port,
  					     unsigned int nr)
  {
  	return NULL;
  }
  
  static inline void devm_ioport_unmap(struct device *dev, void __iomem *addr)
  {
  }
  #endif

  void __iomem *devm_ioremap(struct device *dev, resource_size_t offset,

  			    unsigned long size);

  void __iomem *devm_ioremap_nocache(struct device *dev, resource_size_t offset,

  				    unsigned long size);
  void devm_iounmap(struct device *dev, void __iomem *addr);

  int check_signature(const volatile void __iomem *io_addr,
  			const unsigned char *signature, int length);

  void devm_ioremap_release(struct device *dev, void *res);

  #endif /* _LINUX_IO_H */