1/*
2 * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
3 *
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.
7 *
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.
12 */
13
14#include <linux/kernel.h>
15#include "gdm_endian.h"
16
17void gdm_set_endian(struct gdm_endian *ed, u8 dev_endian)
18{
19	if (dev_endian == ENDIANNESS_BIG)
20		ed->dev_ed = ENDIANNESS_BIG;
21	else
22		ed->dev_ed = ENDIANNESS_LITTLE;
23}
24
25u16 gdm_cpu_to_dev16(struct gdm_endian *ed, u16 x)
26{
27	if (ed->dev_ed == ENDIANNESS_LITTLE)
28		return cpu_to_le16(x);
29	else
30		return cpu_to_be16(x);
31}
32
33u16 gdm_dev16_to_cpu(struct gdm_endian *ed, u16 x)
34{
35	if (ed->dev_ed == ENDIANNESS_LITTLE)
36		return le16_to_cpu(x);
37	else
38		return be16_to_cpu(x);
39}
40
41u32 gdm_cpu_to_dev32(struct gdm_endian *ed, u32 x)
42{
43	if (ed->dev_ed == ENDIANNESS_LITTLE)
44		return cpu_to_le32(x);
45	else
46		return cpu_to_be32(x);
47}
48
49u32 gdm_dev32_to_cpu(struct gdm_endian *ed, u32 x)
50{
51	if (ed->dev_ed == ENDIANNESS_LITTLE)
52		return le32_to_cpu(x);
53	else
54		return be32_to_cpu(x);
55}
56