123 lines
3.8 KiB
C
123 lines
3.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (c) 2016 MediaTek Inc.
|
|
* Author: PC Chen <pc.chen@mediatek.com>
|
|
*/
|
|
|
|
#ifndef _VDEC_VPU_IF_H_
|
|
#define _VDEC_VPU_IF_H_
|
|
|
|
#include "mtk_vcodec_fw.h"
|
|
|
|
struct mtk_vcodec_ctx;
|
|
|
|
/**
|
|
* struct vdec_vpu_inst - VPU instance for video codec
|
|
* @id : ipi msg id for each decoder
|
|
* @core_id : core id used to separate different hardware
|
|
* @vsi : driver structure allocated by VPU side and shared to AP side
|
|
* for control and info share
|
|
* @failure : VPU execution result status, 0: success, others: fail
|
|
* @inst_addr : VPU decoder instance address
|
|
* @fw_abi_version : ABI version of the firmware.
|
|
* @inst_id : if fw_abi_version >= 2, contains the instance ID to be given
|
|
* in place of inst_addr in messages.
|
|
* @signaled : 1 - Host has received ack message from VPU, 0 - not received
|
|
* @ctx : context for v4l2 layer integration
|
|
* @dev : platform device of VPU
|
|
* @wq : wait queue to wait VPU message ack
|
|
* @handler : ipi handler for each decoder
|
|
* @codec_type : use codec type to separate different codecs
|
|
* @capture_type: used capture type to separate different capture format
|
|
* @fb_sz : frame buffer size of each plane
|
|
*/
|
|
struct vdec_vpu_inst {
|
|
int id;
|
|
int core_id;
|
|
void *vsi;
|
|
int32_t failure;
|
|
uint32_t inst_addr;
|
|
uint32_t fw_abi_version;
|
|
uint32_t inst_id;
|
|
unsigned int signaled;
|
|
struct mtk_vcodec_ctx *ctx;
|
|
wait_queue_head_t wq;
|
|
mtk_vcodec_ipi_handler handler;
|
|
unsigned int codec_type;
|
|
unsigned int capture_type;
|
|
unsigned int fb_sz[2];
|
|
};
|
|
|
|
/**
|
|
* vpu_dec_init - init decoder instance and allocate required resource in VPU.
|
|
*
|
|
* @vpu: instance for vdec_vpu_inst
|
|
*/
|
|
int vpu_dec_init(struct vdec_vpu_inst *vpu);
|
|
|
|
/**
|
|
* vpu_dec_start - start decoding, basically the function will be invoked once
|
|
* every frame.
|
|
*
|
|
* @vpu : instance for vdec_vpu_inst
|
|
* @data: meta data to pass bitstream info to VPU decoder
|
|
* @len : meta data length
|
|
*/
|
|
int vpu_dec_start(struct vdec_vpu_inst *vpu, uint32_t *data, unsigned int len);
|
|
|
|
/**
|
|
* vpu_dec_end - end decoding, basically the function will be invoked once
|
|
* when HW decoding done interrupt received successfully. The
|
|
* decoder in VPU will continue to do reference frame management
|
|
* and check if there is a new decoded frame available to display.
|
|
*
|
|
* @vpu : instance for vdec_vpu_inst
|
|
*/
|
|
int vpu_dec_end(struct vdec_vpu_inst *vpu);
|
|
|
|
/**
|
|
* vpu_dec_deinit - deinit decoder instance and resource freed in VPU.
|
|
*
|
|
* @vpu: instance for vdec_vpu_inst
|
|
*/
|
|
int vpu_dec_deinit(struct vdec_vpu_inst *vpu);
|
|
|
|
/**
|
|
* vpu_dec_reset - reset decoder, use for flush decoder when end of stream or
|
|
* seek. Remainig non displayed frame will be pushed to display.
|
|
*
|
|
* @vpu: instance for vdec_vpu_inst
|
|
*/
|
|
int vpu_dec_reset(struct vdec_vpu_inst *vpu);
|
|
|
|
/**
|
|
* vpu_dec_core - core start decoding, basically the function will be invoked once
|
|
* every frame.
|
|
*
|
|
* @vpu : instance for vdec_vpu_inst
|
|
*/
|
|
int vpu_dec_core(struct vdec_vpu_inst *vpu);
|
|
|
|
/**
|
|
* vpu_dec_core_end - core end decoding, basically the function will be invoked once
|
|
* when core HW decoding done and receive interrupt successfully. The
|
|
* decoder in VPU will updata hardware information and deinit hardware
|
|
* and check if there is a new decoded frame available to display.
|
|
*
|
|
* @vpu : instance for vdec_vpu_inst
|
|
*/
|
|
int vpu_dec_core_end(struct vdec_vpu_inst *vpu);
|
|
|
|
/**
|
|
* vpu_dec_get_param - get param from scp
|
|
*
|
|
* @vpu : instance for vdec_vpu_inst
|
|
* @data: meta data to pass bitstream info to VPU decoder
|
|
* @len : meta data length
|
|
* @param_type : get param type
|
|
*/
|
|
int vpu_dec_get_param(struct vdec_vpu_inst *vpu, uint32_t *data,
|
|
unsigned int len, unsigned int param_type);
|
|
|
|
#endif
|