include/linux/ssbi.h

   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
  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
  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