LXR linux/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
  12int ssbi_write(struct device *dev, u16 addr, const u8 *buf, int len);
  13int ssbi_read(struct device *dev, u16 addr, u8 *buf, int len);
  14
  15static inline int
  16ssbi_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
  28static inline int
  29ssbi_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