1 /*
2  * Support for Intel Camera Imaging ISP subsystem.
3  * Copyright (c) 2015, Intel Corporation.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms and conditions of the GNU General Public License,
7  * version 2, as published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12  * more details.
13  */
14 
15 #ifndef __GP_DEVICE_PUBLIC_H_INCLUDED__
16 #define __GP_DEVICE_PUBLIC_H_INCLUDED__
17 
18 #include "system_local.h"
19 
20 typedef struct gp_device_state_s		gp_device_state_t;
21 
22 /*! Read the state of GP_DEVICE[ID]
23 
24  \param	ID[in]				GP_DEVICE identifier
25  \param	state[out]			gp device state structure
26 
27  \return none, state = GP_DEVICE[ID].state
28  */
29 void gp_device_get_state(
30     const gp_device_ID_t		ID,
31     gp_device_state_t			*state);
32 
33 /*! Write to a control register of GP_DEVICE[ID]
34 
35  \param	ID[in]				GP_DEVICE identifier
36  \param	reg_addr[in]		register byte address
37  \param value[in]			The data to be written
38 
39  \return none, GP_DEVICE[ID].ctrl[reg] = value
40  */
41 STORAGE_CLASS_GP_DEVICE_H void gp_device_reg_store(
42     const gp_device_ID_t	ID,
43     const unsigned int		reg_addr,
44     const hrt_data			value);
45 
46 /*! Read from a control register of GP_DEVICE[ID]
47 
48  \param	ID[in]				GP_DEVICE identifier
49  \param	reg_addr[in]		register byte address
50  \param value[in]			The data to be written
51 
52  \return GP_DEVICE[ID].ctrl[reg]
53  */
54 STORAGE_CLASS_GP_DEVICE_H hrt_data gp_device_reg_load(
55     const gp_device_ID_t	ID,
56     const hrt_address	reg_addr);
57 
58 #endif /* __GP_DEVICE_PUBLIC_H_INCLUDED__ */
59