1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright 2020-2021 NXP
4 */
5
6#ifndef _AMPHION_VPU_HELPERS_H
7#define _AMPHION_VPU_HELPERS_H
8
9struct vpu_pair {
10	u32 src;
11	u32 dst;
12};
13
14int vpu_helper_find_in_array_u8(const u8 *array, u32 size, u32 x);
15bool vpu_helper_check_type(struct vpu_inst *inst, u32 type);
16const struct vpu_format *vpu_helper_find_format(struct vpu_inst *inst, u32 type, u32 pixelfmt);
17const struct vpu_format *vpu_helper_find_sibling(struct vpu_inst *inst, u32 type, u32 pixelfmt);
18bool vpu_helper_match_format(struct vpu_inst *inst, u32 type, u32 fmta, u32 fmtb);
19const struct vpu_format *vpu_helper_enum_format(struct vpu_inst *inst, u32 type, int index);
20u32 vpu_helper_valid_frame_width(struct vpu_inst *inst, u32 width);
21u32 vpu_helper_valid_frame_height(struct vpu_inst *inst, u32 height);
22u32 vpu_helper_get_plane_size(u32 fmt, u32 width, u32 height, int plane_no,
23			      u32 stride, u32 interlaced, u32 *pbl);
24int vpu_helper_copy_from_stream_buffer(struct vpu_buffer *stream_buffer,
25				       u32 *rptr, u32 size, void *dst);
26int vpu_helper_copy_to_stream_buffer(struct vpu_buffer *stream_buffer,
27				     u32 *wptr, u32 size, void *src);
28int vpu_helper_memset_stream_buffer(struct vpu_buffer *stream_buffer,
29				    u32 *wptr, u8 val, u32 size);
30u32 vpu_helper_get_free_space(struct vpu_inst *inst);
31u32 vpu_helper_get_used_space(struct vpu_inst *inst);
32int vpu_helper_g_volatile_ctrl(struct v4l2_ctrl *ctrl);
33void vpu_helper_get_kmp_next(const u8 *pattern, int *next, int size);
34int vpu_helper_kmp_search(u8 *s, int s_len, const u8 *p, int p_len, int *next);
35int vpu_helper_kmp_search_in_stream_buffer(struct vpu_buffer *stream_buffer,
36					   u32 offset, int bytesused,
37					   const u8 *p, int p_len, int *next);
38int vpu_helper_find_startcode(struct vpu_buffer *stream_buffer,
39			      u32 pixelformat, u32 offset, u32 bytesused);
40
41static inline u32 vpu_helper_step_walk(struct vpu_buffer *stream_buffer, u32 pos, u32 step)
42{
43	pos += step;
44	if (pos > stream_buffer->phys + stream_buffer->length)
45		pos -= stream_buffer->length;
46
47	return pos;
48}
49
50static inline u8 vpu_helper_read_byte(struct vpu_buffer *stream_buffer, u32 pos)
51{
52	u8 *pdata = (u8 *)stream_buffer->virt;
53
54	return pdata[pos % stream_buffer->length];
55}
56
57int vpu_color_check_primaries(u32 primaries);
58int vpu_color_check_transfers(u32 transfers);
59int vpu_color_check_matrix(u32 matrix);
60int vpu_color_check_full_range(u32 full_range);
61u32 vpu_color_cvrt_primaries_v2i(u32 primaries);
62u32 vpu_color_cvrt_primaries_i2v(u32 primaries);
63u32 vpu_color_cvrt_transfers_v2i(u32 transfers);
64u32 vpu_color_cvrt_transfers_i2v(u32 transfers);
65u32 vpu_color_cvrt_matrix_v2i(u32 matrix);
66u32 vpu_color_cvrt_matrix_i2v(u32 matrix);
67u32 vpu_color_cvrt_full_range_v2i(u32 full_range);
68u32 vpu_color_cvrt_full_range_i2v(u32 full_range);
69int vpu_color_get_default(u32 primaries, u32 *ptransfers, u32 *pmatrix, u32 *pfull_range);
70
71int vpu_find_dst_by_src(struct vpu_pair *pairs, u32 cnt, u32 src);
72int vpu_find_src_by_dst(struct vpu_pair *pairs, u32 cnt, u32 dst);
73#endif
74