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 <assert_support.h>
17 #include <ia_css_frame_public.h>
18 #include <ia_css_frame.h>
19 #include <ia_css_binary.h>
20 #define IA_CSS_INCLUDE_CONFIGURATIONS
21 #include "ia_css_isp_configs.h"
22 #include "isp.h"
23 #include "ia_css_ref.host.h"
24
25 void
ia_css_ref_config(struct sh_css_isp_ref_isp_config * to,const struct ia_css_ref_configuration * from,unsigned int size)26 ia_css_ref_config(
27 struct sh_css_isp_ref_isp_config *to,
28 const struct ia_css_ref_configuration *from,
29 unsigned int size)
30 {
31 unsigned int elems_a = ISP_VEC_NELEMS, i;
32
33 if (from->ref_frames[0]) {
34 ia_css_dma_configure_from_info(&to->port_b, &from->ref_frames[0]->info);
35 to->width_a_over_b = elems_a / to->port_b.elems;
36 to->dvs_frame_delay = from->dvs_frame_delay;
37 } else {
38 to->width_a_over_b = 1;
39 to->dvs_frame_delay = 0;
40 to->port_b.elems = elems_a;
41 }
42 for (i = 0; i < MAX_NUM_VIDEO_DELAY_FRAMES; i++) {
43 if (from->ref_frames[i]) {
44 to->ref_frame_addr_y[i] = from->ref_frames[i]->data +
45 from->ref_frames[i]->planes.yuv.y.offset;
46 to->ref_frame_addr_c[i] = from->ref_frames[i]->data +
47 from->ref_frames[i]->planes.yuv.u.offset;
48 } else {
49 to->ref_frame_addr_y[i] = 0;
50 to->ref_frame_addr_c[i] = 0;
51 }
52 }
53
54 /* Assume divisiblity here, may need to generalize to fixed point. */
55 assert(elems_a % to->port_b.elems == 0);
56 }
57
58 void
ia_css_ref_configure(const struct ia_css_binary * binary,const struct ia_css_frame * const * ref_frames,const uint32_t dvs_frame_delay)59 ia_css_ref_configure(
60 const struct ia_css_binary *binary,
61 const struct ia_css_frame * const *ref_frames,
62 const uint32_t dvs_frame_delay)
63 {
64 struct ia_css_ref_configuration config;
65 unsigned int i;
66
67 for (i = 0; i < MAX_NUM_VIDEO_DELAY_FRAMES; i++)
68 config.ref_frames[i] = ref_frames[i];
69 config.dvs_frame_delay = dvs_frame_delay;
70 ia_css_configure_ref(binary, &config);
71 }
72
73 void
ia_css_init_ref_state(struct sh_css_isp_ref_dmem_state * state,unsigned int size)74 ia_css_init_ref_state(
75 struct sh_css_isp_ref_dmem_state *state,
76 unsigned int size)
77 {
78 (void)size;
79 assert(MAX_NUM_VIDEO_DELAY_FRAMES >= 2);
80 state->ref_in_buf_idx = 0;
81 state->ref_out_buf_idx = 1;
82 }
83
