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