/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2015, Intel Corporation.
 */

#ifndef __GP_DEVICE_PUBLIC_H_INCLUDED__
#define __GP_DEVICE_PUBLIC_H_INCLUDED__

#include "system_local.h"

typedef struct gp_device_state_s                gp_device_state_t;

/*! Read the state of GP_DEVICE[ID]

 \param ID[in]                          GP_DEVICE identifier
 \param state[out]                      gp device state structure

 \return none, state = GP_DEVICE[ID].state
 */
void gp_device_get_state(
    const gp_device_ID_t                ID,
    gp_device_state_t                   *state);

/*! Write to a control register of GP_DEVICE[ID]

 \param ID[in]                          GP_DEVICE identifier
 \param reg_addr[in]            register byte address
 \param value[in]                       The data to be written

 \return none, GP_DEVICE[ID].ctrl[reg] = value
 */
STORAGE_CLASS_GP_DEVICE_H void gp_device_reg_store(
    const gp_device_ID_t        ID,
    const unsigned int          reg_addr,
    const hrt_data                      value);

/*! Read from a control register of GP_DEVICE[ID]

 \param ID[in]                          GP_DEVICE identifier
 \param reg_addr[in]            register byte address
 \param value[in]                       The data to be written

 \return GP_DEVICE[ID].ctrl[reg]
 */
STORAGE_CLASS_GP_DEVICE_H hrt_data gp_device_reg_load(
    const gp_device_ID_t        ID,
    const hrt_address   reg_addr);

#endif /* __GP_DEVICE_PUBLIC_H_INCLUDED__ */