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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 gdm_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__*/ |