cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

vpu_helpers.h (2866B)

      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_enum_format(struct vpu_inst *inst, u32 type, int index);
     18u32 vpu_helper_valid_frame_width(struct vpu_inst *inst, u32 width);
     19u32 vpu_helper_valid_frame_height(struct vpu_inst *inst, u32 height);
     20u32 vpu_helper_get_plane_size(u32 fmt, u32 width, u32 height, int plane_no,
     21			      u32 stride, u32 interlaced, u32 *pbl);
     22int vpu_helper_copy_from_stream_buffer(struct vpu_buffer *stream_buffer,
     23				       u32 *rptr, u32 size, void *dst);
     24int vpu_helper_copy_to_stream_buffer(struct vpu_buffer *stream_buffer,
     25				     u32 *wptr, u32 size, void *src);
     26int vpu_helper_memset_stream_buffer(struct vpu_buffer *stream_buffer,
     27				    u32 *wptr, u8 val, u32 size);
     28u32 vpu_helper_get_free_space(struct vpu_inst *inst);
     29u32 vpu_helper_get_used_space(struct vpu_inst *inst);
     30int vpu_helper_g_volatile_ctrl(struct v4l2_ctrl *ctrl);
     31void vpu_helper_get_kmp_next(const u8 *pattern, int *next, int size);
     32int vpu_helper_kmp_search(u8 *s, int s_len, const u8 *p, int p_len, int *next);
     33int vpu_helper_kmp_search_in_stream_buffer(struct vpu_buffer *stream_buffer,
     34					   u32 offset, int bytesused,
     35					   const u8 *p, int p_len, int *next);
     36int vpu_helper_find_startcode(struct vpu_buffer *stream_buffer,
     37			      u32 pixelformat, u32 offset, u32 bytesused);
     38
     39static inline u32 vpu_helper_step_walk(struct vpu_buffer *stream_buffer, u32 pos, u32 step)
     40{
     41	pos += step;
     42	if (pos > stream_buffer->phys + stream_buffer->length)
     43		pos -= stream_buffer->length;
     44
     45	return pos;
     46}
     47
     48static inline u8 vpu_helper_read_byte(struct vpu_buffer *stream_buffer, u32 pos)
     49{
     50	u8 *pdata = (u8 *)stream_buffer->virt;
     51
     52	return pdata[pos % stream_buffer->length];
     53}
     54
     55int vpu_color_check_primaries(u32 primaries);
     56int vpu_color_check_transfers(u32 transfers);
     57int vpu_color_check_matrix(u32 matrix);
     58int vpu_color_check_full_range(u32 full_range);
     59u32 vpu_color_cvrt_primaries_v2i(u32 primaries);
     60u32 vpu_color_cvrt_primaries_i2v(u32 primaries);
     61u32 vpu_color_cvrt_transfers_v2i(u32 transfers);
     62u32 vpu_color_cvrt_transfers_i2v(u32 transfers);
     63u32 vpu_color_cvrt_matrix_v2i(u32 matrix);
     64u32 vpu_color_cvrt_matrix_i2v(u32 matrix);
     65u32 vpu_color_cvrt_full_range_v2i(u32 full_range);
     66u32 vpu_color_cvrt_full_range_i2v(u32 full_range);
     67int vpu_color_get_default(u32 primaries, u32 *ptransfers, u32 *pmatrix, u32 *pfull_range);
     68
     69int vpu_find_dst_by_src(struct vpu_pair *pairs, u32 cnt, u32 src);
     70int vpu_find_src_by_dst(struct vpu_pair *pairs, u32 cnt, u32 dst);
     71#endif