18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */
28c2ecf20Sopenharmony_ci/* Copyright (C) 2010 Google, Inc.
38c2ecf20Sopenharmony_ci * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
48c2ecf20Sopenharmony_ci * Author: Dima Zavin <dima@android.com>
58c2ecf20Sopenharmony_ci */
68c2ecf20Sopenharmony_ci
78c2ecf20Sopenharmony_ci#ifndef _LINUX_SSBI_H
88c2ecf20Sopenharmony_ci#define _LINUX_SSBI_H
98c2ecf20Sopenharmony_ci
108c2ecf20Sopenharmony_ci#include <linux/types.h>
118c2ecf20Sopenharmony_ci
128c2ecf20Sopenharmony_ciint ssbi_write(struct device *dev, u16 addr, const u8 *buf, int len);
138c2ecf20Sopenharmony_ciint ssbi_read(struct device *dev, u16 addr, u8 *buf, int len);
148c2ecf20Sopenharmony_ci
158c2ecf20Sopenharmony_cistatic inline int
168c2ecf20Sopenharmony_cissbi_reg_read(void *context, unsigned int reg, unsigned int *val)
178c2ecf20Sopenharmony_ci{
188c2ecf20Sopenharmony_ci	int ret;
198c2ecf20Sopenharmony_ci	u8 v;
208c2ecf20Sopenharmony_ci
218c2ecf20Sopenharmony_ci	ret = ssbi_read(context, reg, &v, 1);
228c2ecf20Sopenharmony_ci	if (!ret)
238c2ecf20Sopenharmony_ci		*val = v;
248c2ecf20Sopenharmony_ci
258c2ecf20Sopenharmony_ci	return ret;
268c2ecf20Sopenharmony_ci}
278c2ecf20Sopenharmony_ci
288c2ecf20Sopenharmony_cistatic inline int
298c2ecf20Sopenharmony_cissbi_reg_write(void *context, unsigned int reg, unsigned int val)
308c2ecf20Sopenharmony_ci{
318c2ecf20Sopenharmony_ci	u8 v = val;
328c2ecf20Sopenharmony_ci	return ssbi_write(context, reg, &v, 1);
338c2ecf20Sopenharmony_ci}
348c2ecf20Sopenharmony_ci
358c2ecf20Sopenharmony_ci#endif
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