root/drivers/staging/media/atomisp/pci/hive_isp_css_include/host/fifo_monitor_public.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2015, Intel Corporation.
 */

#ifndef __FIFO_MONITOR_PUBLIC_H_INCLUDED__
#define __FIFO_MONITOR_PUBLIC_H_INCLUDED__

#include "system_local.h"

typedef struct fifo_channel_state_s             fifo_channel_state_t;
typedef struct fifo_switch_state_s              fifo_switch_state_t;
typedef struct fifo_monitor_state_s             fifo_monitor_state_t;

/*! Set a fifo switch multiplex

 \param ID[in]                          FIFO_MONITOR identifier
 \param switch_id[in]           fifo switch identifier
 \param sel[in]                         fifo switch selector

 \return none, fifo_switch[switch_id].sel = sel
 */
STORAGE_CLASS_FIFO_MONITOR_H void fifo_switch_set(
    const fifo_monitor_ID_t             ID,
    const fifo_switch_t                 switch_id,
    const hrt_data                              sel);

/*! Get a fifo switch multiplex

 \param ID[in]                          FIFO_MONITOR identifier
 \param switch_id[in]           fifo switch identifier

 \return fifo_switch[switch_id].sel
 */
STORAGE_CLASS_FIFO_MONITOR_H hrt_data fifo_switch_get(
    const fifo_monitor_ID_t             ID,
    const fifo_switch_t                 switch_id);

/*! Read the state of FIFO_MONITOR[ID]

 \param ID[in]                          FIFO_MONITOR identifier
 \param state[out]                      fifo monitor state structure

 \return none, state = FIFO_MONITOR[ID].state
 */
void fifo_monitor_get_state(
    const fifo_monitor_ID_t             ID,
    fifo_monitor_state_t                *state);

/*! Read the state of a fifo channel

 \param ID[in]                          FIFO_MONITOR identifier
 \param channel_id[in]          fifo channel identifier
 \param state[out]                      fifo channel state structure

 \return none, state = fifo_channel[channel_id].state
 */
void fifo_channel_get_state(
    const fifo_monitor_ID_t             ID,
    const fifo_channel_t                channel_id,
    fifo_channel_state_t                *state);

/*! Read the state of a fifo switch

 \param ID[in]                          FIFO_MONITOR identifier
 \param switch_id[in]           fifo switch identifier
 \param state[out]                      fifo switch state structure

 \return none, state = fifo_switch[switch_id].state
 */
void fifo_switch_get_state(
    const fifo_monitor_ID_t             ID,
    const fifo_switch_t                 switch_id,
    fifo_switch_state_t                 *state);

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

 \param ID[in]                          FIFO_MONITOR identifier
 \param reg[in]                         register index
 \param value[in]                       The data to be written

 \return none, FIFO_MONITOR[ID].ctrl[reg] = value
 */
STORAGE_CLASS_FIFO_MONITOR_H void fifo_monitor_reg_store(
    const fifo_monitor_ID_t             ID,
    const unsigned int                  reg,
    const hrt_data                              value);

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

 \param ID[in]                          FIFO_MONITOR identifier
 \param reg[in]                         register index
 \param value[in]                       The data to be written

 \return FIFO_MONITOR[ID].ctrl[reg]
 */
STORAGE_CLASS_FIFO_MONITOR_H hrt_data fifo_monitor_reg_load(
    const fifo_monitor_ID_t             ID,
    const unsigned int                  reg);

#endif /* __FIFO_MONITOR_PUBLIC_H_INCLUDED__ */