1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Support for Intel Camera Imaging ISP subsystem.
4 * Copyright (c) 2015, Intel Corporation.
5 */
6
7 #include <assert_support.h>
8 #include <ia_css_frame_public.h>
9 #include <ia_css_frame.h>
10 #include <ia_css_binary.h>
11 #define IA_CSS_INCLUDE_CONFIGURATIONS
12 #include "ia_css_isp_configs.h"
13 #include "isp.h"
14 #include "ia_css_ref.host.h"
15
ia_css_ref_config(struct sh_css_isp_ref_isp_config * to,const struct ia_css_ref_configuration * from,unsigned int size)16 int ia_css_ref_config(struct sh_css_isp_ref_isp_config *to,
17 const struct ia_css_ref_configuration *from,
18 unsigned int size)
19 {
20 unsigned int elems_a = ISP_VEC_NELEMS, i;
21 int ret;
22
23 if (from->ref_frames[0]) {
24 ret = ia_css_dma_configure_from_info(&to->port_b, &from->ref_frames[0]->frame_info);
25 if (ret)
26 return ret;
27 to->width_a_over_b = elems_a / to->port_b.elems;
28 to->dvs_frame_delay = from->dvs_frame_delay;
29 } else {
30 to->width_a_over_b = 1;
31 to->dvs_frame_delay = 0;
32 to->port_b.elems = elems_a;
33 }
34 for (i = 0; i < MAX_NUM_VIDEO_DELAY_FRAMES; i++) {
35 if (from->ref_frames[i]) {
36 to->ref_frame_addr_y[i] = from->ref_frames[i]->data +
37 from->ref_frames[i]->planes.yuv.y.offset;
38 to->ref_frame_addr_c[i] = from->ref_frames[i]->data +
39 from->ref_frames[i]->planes.yuv.u.offset;
40 } else {
41 to->ref_frame_addr_y[i] = 0;
42 to->ref_frame_addr_c[i] = 0;
43 }
44 }
45
46 /* Assume divisiblity here, may need to generalize to fixed point. */
47 if (elems_a % to->port_b.elems != 0)
48 return -EINVAL;
49
50 return 0;
51 }
52
ia_css_ref_configure(const struct ia_css_binary * binary,const struct ia_css_frame * const * ref_frames,const uint32_t dvs_frame_delay)53 int ia_css_ref_configure(const struct ia_css_binary *binary,
54 const struct ia_css_frame * const *ref_frames,
55 const uint32_t dvs_frame_delay)
56 {
57 struct ia_css_ref_configuration config;
58 unsigned int i;
59
60 for (i = 0; i < MAX_NUM_VIDEO_DELAY_FRAMES; i++)
61 config.ref_frames[i] = ref_frames[i];
62
63 config.dvs_frame_delay = dvs_frame_delay;
64
65 return ia_css_configure_ref(binary, &config);
66 }
67
68 void
ia_css_init_ref_state(struct sh_css_isp_ref_dmem_state * state,unsigned int size)69 ia_css_init_ref_state(
70 struct sh_css_isp_ref_dmem_state *state,
71 unsigned int size)
72 {
73 (void)size;
74 assert(MAX_NUM_VIDEO_DELAY_FRAMES >= 2);
75 state->ref_in_buf_idx = 0;
76 state->ref_out_buf_idx = 1;
77 }
78