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/*
* Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*/
#ifndef __GDM_ENDIAN_H__
#define __GDM_ENDIAN_H__
#include <linux/types.h>
#define Endian16_Swap(value) \
((((u16)((value) & 0x00FF)) << 8) | \
(((u16)((value) & 0xFF00)) >> 8))
#define Endian32_Swap(value) \
((((u32)((value) & 0x000000FF)) << 24) | \
(((u32)((value) & 0x0000FF00)) << 8) | \
(((u32)((value) & 0x00FF0000)) >> 8) | \
(((u32)((value) & 0xFF000000)) >> 24))
enum {
ENDIANNESS_MIN = 0,
ENDIANNESS_UNKNOWN,
ENDIANNESS_LITTLE,
ENDIANNESS_BIG,
ENDIANNESS_MIDDLE,
ENDIANNESS_MAX
};
struct gdm_endian {
u8 dev_ed;
u8 host_ed;
};
void set_endian(struct gdm_endian *ed, u8 dev_endian);
u16 gdm_cpu_to_dev16(struct gdm_endian *ed, u16 x);
u16 gdm_dev16_to_cpu(struct gdm_endian *ed, u16 x);
u32 gdm_cpu_to_dev32(struct gdm_endian *ed, u32 x);
u32 gdm_dev32_to_cpu(struct gdm_endian *ed, u32 x);
#endif /*__GDM_ENDIAN_H__*/
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