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 21 typedef 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 */ 30 void 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 */ 42 STORAGE_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 */ 55 STORAGE_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