xref: /openbmc/linux/drivers/staging/media/atomisp/pci/ia_css_device_access.h (revision f5fbb83f)

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2015, Intel Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 */

#ifndef _IA_CSS_DEVICE_ACCESS_H
#define _IA_CSS_DEVICE_ACCESS_H

/* @file
 * File containing internal functions for the CSS-API to access the CSS device.
 */

#include <type_support.h> /* for uint*, size_t */
#include <system_local.h> /* for hrt_address */
#include <ia_css_env.h>   /* for ia_css_hw_access_env */

void
ia_css_device_access_init(const struct ia_css_hw_access_env *env);

uint8_t
ia_css_device_load_uint8(const hrt_address addr);

uint16_t
ia_css_device_load_uint16(const hrt_address addr);

uint32_t
ia_css_device_load_uint32(const hrt_address addr);

uint64_t
ia_css_device_load_uint64(const hrt_address addr);

void
ia_css_device_store_uint8(const hrt_address addr, const uint8_t data);

void
ia_css_device_store_uint16(const hrt_address addr, const uint16_t data);

void
ia_css_device_store_uint32(const hrt_address addr, const uint32_t data);

void
ia_css_device_store_uint64(const hrt_address addr, const uint64_t data);

void
ia_css_device_load(const hrt_address addr, void *data, const size_t size);

void
ia_css_device_store(const hrt_address addr, const void *data,
		    const size_t size);

#endif /* _IA_CSS_DEVICE_ACCESS_H */