2 * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
4 * This software is licensed under the terms of the GNU General Public
5 * License version 2, as published by the Free Software Foundation, and
6 * may be copied, distributed, and modified under those terms.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
14 #include <linux/kernel.h>
15 #include "gdm_endian.h"
17 void gdm_set_endian(struct gdm_endian *ed, u8 dev_endian)
19 if (dev_endian == ENDIANNESS_BIG)
20 ed->dev_ed = ENDIANNESS_BIG;
22 ed->dev_ed = ENDIANNESS_LITTLE;
25 __dev16 gdm_cpu_to_dev16(struct gdm_endian *ed, u16 x)
27 if (ed->dev_ed == ENDIANNESS_LITTLE)
28 return (__force __dev16)cpu_to_le16(x);
30 return (__force __dev16)cpu_to_be16(x);
33 u16 gdm_dev16_to_cpu(struct gdm_endian *ed, __dev16 x)
35 if (ed->dev_ed == ENDIANNESS_LITTLE)
36 return le16_to_cpu((__force __le16)x);
38 return be16_to_cpu((__force __be16)x);
41 __dev32 gdm_cpu_to_dev32(struct gdm_endian *ed, u32 x)
43 if (ed->dev_ed == ENDIANNESS_LITTLE)
44 return (__force __dev32)cpu_to_le32(x);
46 return (__force __dev32)cpu_to_be32(x);
49 u32 gdm_dev32_to_cpu(struct gdm_endian *ed, __dev32 x)
51 if (ed->dev_ed == ENDIANNESS_LITTLE)
52 return le32_to_cpu((__force __le32)x);
54 return be32_to_cpu((__force __be32)x);