src/base/io.h

/*
 * Copyright (c) 2012 The Chromium OS Authors.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef __BASE_IO_H__
#define __BASE_IO_H__

#include <arch/io.h>
#include <arch/types.h>
#include <endian.h>

static inline void clrsetbits_le32(void *addr, uint32_t clear, uint32_t set)
{
	write32(addr, htole32((le32toh(read32(addr)) & ~clear) | set));
}
static inline void setbits_le32(void *addr, uint32_t set)
{
	write32(addr, htole32(le32toh(read32(addr)) | set));
}
static inline void clrbits_le32(void *addr, uint32_t clear)
{
	write32(addr, htole32(le32toh(read32(addr)) & ~clear));
}

static inline void clrsetbits_be32(void *addr, uint32_t clear, uint32_t set)
{
	write32(addr, htobe32((be32toh(read32(addr)) & ~clear) | set));
}
static inline void setbits_be32(void *addr, uint32_t set)
{
	write32(addr, htobe32(be32toh(read32(addr)) | set));
}
static inline void clrbits_be32(void *addr, uint32_t clear)
{
	write32(addr, htobe32(be32toh(read32(addr)) & ~clear));
}

#endif /* __BASE_IO_H__ */