xref: /linux/include/linux/ssbi.h (revision 75bf465f0bc33e9b776a46d6a1b9b990f5fb7c37)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Copyright (C) 2010 Google, Inc.
3  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
4  * Author: Dima Zavin <dima@android.com>
5  */
6 
7 #ifndef _LINUX_SSBI_H
8 #define _LINUX_SSBI_H
9 
10 #include <linux/types.h>
11 
12 int ssbi_write(struct device *dev, u16 addr, const u8 *buf, int len);
13 int ssbi_read(struct device *dev, u16 addr, u8 *buf, int len);
14 
15 static inline int
ssbi_reg_read(void * context,unsigned int reg,unsigned int * val)16 ssbi_reg_read(void *context, unsigned int reg, unsigned int *val)
17 {
18 	int ret;
19 	u8 v;
20 
21 	ret = ssbi_read(context, reg, &v, 1);
22 	if (!ret)
23 		*val = v;
24 
25 	return ret;
26 }
27 
28 static inline int
ssbi_reg_write(void * context,unsigned int reg,unsigned int val)29 ssbi_reg_write(void *context, unsigned int reg, unsigned int val)
30 {
31 	u8 v = val;
32 	return ssbi_write(context, reg, &v, 1);
33 }
34 
35 #endif
36