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 __ISYS_DMA_PRIVATE_H_INCLUDED__
17#define __ISYS_DMA_PRIVATE_H_INCLUDED__
18
19#include "isys_dma_public.h"
20#include "device_access.h"
21#include "assert_support.h"
22#include "dma.h"
23#include "dma_v2_defs.h"
24#include "print_support.h"
25
26void isys2401_dma_reg_store(const isys2401_dma_ID_t	dma_id,
27			    const unsigned int		reg,
28			    const hrt_data		value)
29{
30	unsigned int reg_loc;
31
32	assert(dma_id < N_ISYS2401_DMA_ID);
33	assert(ISYS2401_DMA_BASE[dma_id] != (hrt_address) - 1);
34
35	reg_loc = ISYS2401_DMA_BASE[dma_id] + (reg * sizeof(hrt_data));
36
37	ia_css_device_store_uint32(reg_loc, value);
38}
39
40hrt_data isys2401_dma_reg_load(const isys2401_dma_ID_t	dma_id,
41			       const unsigned int	reg)
42{
43	unsigned int reg_loc;
44	hrt_data value;
45
46	assert(dma_id < N_ISYS2401_DMA_ID);
47	assert(ISYS2401_DMA_BASE[dma_id] != (hrt_address) - 1);
48
49	reg_loc = ISYS2401_DMA_BASE[dma_id] + (reg * sizeof(hrt_data));
50
51	value = ia_css_device_load_uint32(reg_loc);
52	ia_css_print("isys dma load from addr(0x%x) val(%u)\n", reg_loc,
53		     (unsigned int)value);
54
55	return value;
56}
57
58#endif /* __ISYS_DMA_PRIVATE_H_INCLUDED__ */
59