linux/drivers/staging/media/meson/vdec/codec_hevc_common.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Copyright (C) 2018 BayLibre, SAS
 * Author: Maxime Jourdan <[email protected]>
 */

#ifndef __MESON_VDEC_HEVC_COMMON_H_
#define __MESON_VDEC_HEVC_COMMON_H_

#include "vdec.h"

#define PARSER_CMD_SKIP_CFG_0 …
#define PARSER_CMD_SKIP_CFG_1 …
#define PARSER_CMD_SKIP_CFG_2 …

#define VDEC_HEVC_PARSER_CMD_LEN …
extern const u16 vdec_hevc_parser_cmd[VDEC_HEVC_PARSER_CMD_LEN];

#define MAX_REF_PIC_NUM …

struct codec_hevc_common { … };

/* Returns 1 if we must use framebuffer compression */
static inline int codec_hevc_use_fbc(u32 pixfmt, int is_10bit)
{ … }

/* Returns 1 if we are decoding 10-bit but outputting 8-bit NV12 */
static inline int codec_hevc_use_downsample(u32 pixfmt, int is_10bit)
{ … }

/* Returns 1 if we are decoding using the IOMMU */
static inline int codec_hevc_use_mmu(u32 revision, u32 pixfmt, int is_10bit)
{ … }

/* Configure decode head read mode */
void codec_hevc_setup_decode_head(struct amvdec_session *sess, int is_10bit);

void codec_hevc_free_fbc_buffers(struct amvdec_session *sess,
				 struct codec_hevc_common *comm);

void codec_hevc_free_mmu_headers(struct amvdec_session *sess,
				 struct codec_hevc_common *comm);

int codec_hevc_setup_buffers(struct amvdec_session *sess,
			     struct codec_hevc_common *comm,
			     int is_10bit);

void codec_hevc_fill_mmu_map(struct amvdec_session *sess,
			     struct codec_hevc_common *comm,
			     struct vb2_buffer *vb);

#endif