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
ia_css_qplane_config(struct sh_css_isp_qplane_isp_config * to,const struct ia_css_qplane_configuration * from,unsigned int size)31 int 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
ia_css_qplane_configure(const struct sh_css_sp_pipeline * pipe,const struct ia_css_binary * binary,const struct ia_css_frame_info * info)54 int 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