root/drivers/staging/media/atomisp/pci/css_2401_system/host/isys_dma_private.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2015, Intel Corporation.
 */

#ifndef __ISYS_DMA_PRIVATE_H_INCLUDED__
#define __ISYS_DMA_PRIVATE_H_INCLUDED__

#include "isys_dma_public.h"
#include "device_access.h"
#include "assert_support.h"
#include "dma.h"
#include "dma_v2_defs.h"
#include "print_support.h"

void isys2401_dma_reg_store(const isys2401_dma_ID_t     dma_id,
                            const unsigned int          reg,
                            const hrt_data              value)
{
        unsigned int reg_loc;

        assert(dma_id < N_ISYS2401_DMA_ID);
        assert(ISYS2401_DMA_BASE[dma_id] != (hrt_address) - 1);

        reg_loc = ISYS2401_DMA_BASE[dma_id] + (reg * sizeof(hrt_data));

        ia_css_device_store_uint32(reg_loc, value);
}

hrt_data isys2401_dma_reg_load(const isys2401_dma_ID_t  dma_id,
                               const unsigned int       reg)
{
        unsigned int reg_loc;
        hrt_data value;

        assert(dma_id < N_ISYS2401_DMA_ID);
        assert(ISYS2401_DMA_BASE[dma_id] != (hrt_address) - 1);

        reg_loc = ISYS2401_DMA_BASE[dma_id] + (reg * sizeof(hrt_data));

        value = ia_css_device_load_uint32(reg_loc);
        ia_css_print("isys dma load from addr(0x%x) val(%u)\n", reg_loc,
                     (unsigned int)value);

        return value;
}

#endif /* __ISYS_DMA_PRIVATE_H_INCLUDED__ */