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
ia_css_ref_config(struct sh_css_isp_ref_isp_config * to,const struct ia_css_ref_configuration * from,unsigned int size)25 int ia_css_ref_config(struct sh_css_isp_ref_isp_config *to,
26 const struct ia_css_ref_configuration *from,
27 unsigned int size)
28 {
29 unsigned int elems_a = ISP_VEC_NELEMS, i;
30 int ret;
31
32 if (from->ref_frames[0]) {
33 ret = ia_css_dma_configure_from_info(&to->port_b, &from->ref_frames[0]->frame_info);
34 if (ret)
35 return ret;
36 to->width_a_over_b = elems_a / to->port_b.elems;
37 to->dvs_frame_delay = from->dvs_frame_delay;
38 } else {
39 to->width_a_over_b = 1;
40 to->dvs_frame_delay = 0;
41 to->port_b.elems = elems_a;
42 }
43 for (i = 0; i < MAX_NUM_VIDEO_DELAY_FRAMES; i++) {
44 if (from->ref_frames[i]) {
45 to->ref_frame_addr_y[i] = from->ref_frames[i]->data +
46 from->ref_frames[i]->planes.yuv.y.offset;
47 to->ref_frame_addr_c[i] = from->ref_frames[i]->data +
48 from->ref_frames[i]->planes.yuv.u.offset;
49 } else {
50 to->ref_frame_addr_y[i] = 0;
51 to->ref_frame_addr_c[i] = 0;
52 }
53 }
54
55 /* Assume divisiblity here, may need to generalize to fixed point. */
56 if (elems_a % to->port_b.elems != 0)
57 return -EINVAL;
58
59 return 0;
60 }
61
ia_css_ref_configure(const struct ia_css_binary * binary,const struct ia_css_frame * const * ref_frames,const uint32_t dvs_frame_delay)62 int ia_css_ref_configure(const struct ia_css_binary *binary,
63 const struct ia_css_frame * const *ref_frames,
64 const uint32_t dvs_frame_delay)
65 {
66 struct ia_css_ref_configuration config;
67 unsigned int i;
68
69 for (i = 0; i < MAX_NUM_VIDEO_DELAY_FRAMES; i++)
70 config.ref_frames[i] = ref_frames[i];
71
72 config.dvs_frame_delay = dvs_frame_delay;
73
74 return ia_css_configure_ref(binary, &config);
75 }
76
77 void
ia_css_init_ref_state(struct sh_css_isp_ref_dmem_state * state,unsigned int size)78 ia_css_init_ref_state(
79 struct sh_css_isp_ref_dmem_state *state,
80 unsigned int size)
81 {
82 (void)size;
83 assert(MAX_NUM_VIDEO_DELAY_FRAMES >= 2);
84 state->ref_in_buf_idx = 0;
85 state->ref_out_buf_idx = 1;
86 }
87
