include/linux/ssbi.h

   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
  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
  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