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 __GP_DEVICE_PUBLIC_H_INCLUDED__
17#define __GP_DEVICE_PUBLIC_H_INCLUDED__
18
19#include "system_local.h"
20
21typedef struct gp_device_state_s		gp_device_state_t;
22
23/*! Read the state of GP_DEVICE[ID]
24
25 \param	ID[in]				GP_DEVICE identifier
26 \param	state[out]			gp device state structure
27
28 \return none, state = GP_DEVICE[ID].state
29 */
30void gp_device_get_state(
31    const gp_device_ID_t		ID,
32    gp_device_state_t			*state);
33
34/*! Write to a control register of GP_DEVICE[ID]
35
36 \param	ID[in]				GP_DEVICE identifier
37 \param	reg_addr[in]		register byte address
38 \param value[in]			The data to be written
39
40 \return none, GP_DEVICE[ID].ctrl[reg] = value
41 */
42STORAGE_CLASS_GP_DEVICE_H void gp_device_reg_store(
43    const gp_device_ID_t	ID,
44    const unsigned int		reg_addr,
45    const hrt_data			value);
46
47/*! Read from a control register of GP_DEVICE[ID]
48
49 \param	ID[in]				GP_DEVICE identifier
50 \param	reg_addr[in]		register byte address
51 \param value[in]			The data to be written
52
53 \return GP_DEVICE[ID].ctrl[reg]
54 */
55STORAGE_CLASS_GP_DEVICE_H hrt_data gp_device_reg_load(
56    const gp_device_ID_t	ID,
57    const hrt_address	reg_addr);
58
59#endif /* __GP_DEVICE_PUBLIC_H_INCLUDED__ */
60