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#include "ia_css_frame.h"
17#include "ia_css_types.h"
18#include "sh_css_defs.h"
19#include "ia_css_debug.h"
20#include "assert_support.h"
21#define IA_CSS_INCLUDE_CONFIGURATIONS
22#include "ia_css_isp_configs.h"
23#include "isp.h"
24
25#include "ia_css_qplane.host.h"
26
27static const struct ia_css_qplane_configuration default_config = {
28	.pipe = (struct sh_css_sp_pipeline *)NULL,
29};
30
31int ia_css_qplane_config(struct sh_css_isp_qplane_isp_config *to,
32			 const struct ia_css_qplane_configuration  *from,
33			 unsigned int size)
34{
35	unsigned int elems_a = ISP_VEC_NELEMS;
36	int ret;
37
38	ret = ia_css_dma_configure_from_info(&to->port_b, from->info);
39	if (ret)
40		return ret;
41
42	to->width_a_over_b = elems_a / to->port_b.elems;
43
44	/* Assume divisiblity here, may need to generalize to fixed point. */
45	if (elems_a % to->port_b.elems != 0)
46		return -EINVAL;
47
48	to->inout_port_config = from->pipe->inout_port_config;
49	to->format = from->info->format;
50
51	return 0;
52}
53
54int ia_css_qplane_configure(const struct sh_css_sp_pipeline *pipe,
55			    const struct ia_css_binary      *binary,
56			    const struct ia_css_frame_info  *info)
57{
58	struct ia_css_qplane_configuration config = default_config;
59
60	config.pipe = pipe;
61	config.info = info;
62
63	return ia_css_configure_qplane(binary, &config);
64}
65