1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Support for Intel Camera Imaging ISP subsystem.
4  * Copyright (c) 2015, Intel Corporation.
5  *
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms and conditions of the GNU General Public License,
8  * version 2, as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13  * more details.
14  */
15 
16 #ifndef __GPIO_PUBLIC_H_INCLUDED__
17 #define __GPIO_PUBLIC_H_INCLUDED__
18 
19 #include "system_local.h"
20 
21 /*! Write to a control register of GPIO[ID]
22 
23  \param	ID[in]				GPIO identifier
24  \param	reg_addr[in]		register byte address
25  \param value[in]			The data to be written
26 
27  \return none, GPIO[ID].ctrl[reg] = value
28  */
29 STORAGE_CLASS_GPIO_H void gpio_reg_store(
30     const gpio_ID_t	ID,
31     const unsigned int		reg_addr,
32     const hrt_data			value);
33 
34 /*! Read from a control register of GPIO[ID]
35 
36  \param	ID[in]				GPIO identifier
37  \param	reg_addr[in]		register byte address
38  \param value[in]			The data to be written
39 
40  \return GPIO[ID].ctrl[reg]
41  */
42 STORAGE_CLASS_GPIO_H hrt_data gpio_reg_load(
43     const gpio_ID_t	ID,
44     const unsigned int		reg_addr);
45 
46 #endif /* __GPIO_PUBLIC_H_INCLUDED__ */
47