1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Support for Intel Camera Imaging ISP subsystem.
4 * Copyright (c) 2010 - 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#include "ia_css_bayer_io.host.h"
17#include "dma.h"
18#include "math_support.h"
19#ifndef IA_CSS_NO_DEBUG
20#include "ia_css_debug.h"
21#endif
22#include "ia_css_isp_params.h"
23#include "ia_css_frame.h"
24
25int ia_css_bayer_io_config(const struct ia_css_binary      *binary,
26			   const struct sh_css_binary_args *args)
27{
28	const struct ia_css_frame *in_frame = args->in_frame;
29	const struct ia_css_frame **out_frames = (const struct ia_css_frame **)
30		&args->out_frame;
31	const struct ia_css_frame_info *in_frame_info = ia_css_frame_get_info(in_frame);
32	const unsigned int ddr_bits_per_element = sizeof(short) * 8;
33	const unsigned int ddr_elems_per_word = ceil_div(HIVE_ISP_DDR_WORD_BITS,
34						ddr_bits_per_element);
35	unsigned int size_get = 0, size_put = 0;
36	unsigned int offset = 0;
37	int ret;
38
39	if (binary->info->mem_offsets.offsets.param) {
40		size_get = binary->info->mem_offsets.offsets.param->dmem.get.size;
41		offset = binary->info->mem_offsets.offsets.param->dmem.get.offset;
42	}
43
44	if (size_get) {
45		struct ia_css_common_io_config *to = (struct ia_css_common_io_config *)
46						     &binary->mem_params.params[IA_CSS_PARAM_CLASS_PARAM][IA_CSS_ISP_DMEM].address[offset];
47		struct dma_port_config config;
48#ifndef IA_CSS_NO_DEBUG
49		ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
50				    "ia_css_bayer_io_config() get part enter:\n");
51#endif
52
53		ret = ia_css_dma_configure_from_info(&config, in_frame_info);
54		if (ret)
55			return ret;
56		// The base_address of the input frame will be set in the ISP
57		to->width = in_frame_info->res.width;
58		to->height = in_frame_info->res.height;
59		to->stride = config.stride;
60		to->ddr_elems_per_word = ddr_elems_per_word;
61#ifndef IA_CSS_NO_DEBUG
62		ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
63				    "ia_css_bayer_io_config() get part leave:\n");
64#endif
65	}
66
67	if (binary->info->mem_offsets.offsets.param) {
68		size_put = binary->info->mem_offsets.offsets.param->dmem.put.size;
69		offset = binary->info->mem_offsets.offsets.param->dmem.put.offset;
70	}
71
72	if (size_put) {
73		struct ia_css_common_io_config *to = (struct ia_css_common_io_config *)
74						     &binary->mem_params.params[IA_CSS_PARAM_CLASS_PARAM][IA_CSS_ISP_DMEM].address[offset];
75		struct dma_port_config config;
76#ifndef IA_CSS_NO_DEBUG
77		ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
78				    "ia_css_bayer_io_config() put part enter:\n");
79#endif
80
81		ret = ia_css_dma_configure_from_info(&config, &out_frames[0]->frame_info);
82		if (ret)
83			return ret;
84		to->base_address = out_frames[0]->data;
85		to->width = out_frames[0]->frame_info.res.width;
86		to->height = out_frames[0]->frame_info.res.height;
87		to->stride = config.stride;
88		to->ddr_elems_per_word = ddr_elems_per_word;
89
90#ifndef IA_CSS_NO_DEBUG
91		ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
92				    "ia_css_bayer_io_config() put part leave:\n");
93#endif
94	}
95	return 0;
96}
97