/*

 * 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,

		       unsigned long phys_addr, pgprot_t prot);

#else

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

				     unsigned long 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 */