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 
27 static const struct ia_css_qplane_configuration default_config = {
28 	.pipe = (struct sh_css_sp_pipeline *)NULL,
29 };
30 
31 void
32 ia_css_qplane_config(
33     struct sh_css_isp_qplane_isp_config *to,
34     const struct ia_css_qplane_configuration  *from,
35     unsigned int size)
36 {
37 	unsigned int elems_a = ISP_VEC_NELEMS;
38 
39 	(void)size;
40 	ia_css_dma_configure_from_info(&to->port_b, from->info);
41 	to->width_a_over_b = elems_a / to->port_b.elems;
42 
43 	/* Assume divisiblity here, may need to generalize to fixed point. */
44 	assert(elems_a % to->port_b.elems == 0);
45 
46 	to->inout_port_config = from->pipe->inout_port_config;
47 	to->format = from->info->format;
48 }
49 
50 void
51 ia_css_qplane_configure(
52     const struct sh_css_sp_pipeline *pipe,
53     const struct ia_css_binary      *binary,
54     const struct ia_css_frame_info  *info)
55 {
56 	struct ia_css_qplane_configuration config = default_config;
57 
58 	config.pipe = pipe;
59 	config.info = info;
60 
61 	ia_css_configure_qplane(binary, &config);
62 }
63