1 /* Copyright (C) 2010 Google, Inc.
2 * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
3 * Author: Dima Zavin <dima@android.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 and
7 * only version 2 as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 */
14
15 #ifndef _LINUX_SSBI_H
16 #define _LINUX_SSBI_H
17
18 #include <linux/types.h>
19
20 int ssbi_write(struct device *dev, u16 addr, const u8 *buf, int len);
21 int ssbi_read(struct device *dev, u16 addr, u8 *buf, int len);
22
23 static inline int
ssbi_reg_read(void * context,unsigned int reg,unsigned int * val)24 ssbi_reg_read(void *context, unsigned int reg, unsigned int *val)
25 {
26 int ret;
27 u8 v;
28
29 ret = ssbi_read(context, reg, &v, 1);
30 if (!ret)
31 *val = v;
32
33 return ret;
34 }
35
36 static inline int
ssbi_reg_write(void * context,unsigned int reg,unsigned int val)37 ssbi_reg_write(void *context, unsigned int reg, unsigned int val)
38 {
39 u8 v = val;
40 return ssbi_write(context, reg, &v, 1);
41 }
42
43 #endif
44