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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 655 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070034.575739538@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2016 MediaTek Inc.
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* Author: PC Chen <pc.chen@mediatek.com>
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*/
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#ifndef _VDEC_VPU_IF_H_
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#define _VDEC_VPU_IF_H_
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#include "mtk_vpu.h"
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/**
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* struct vdec_vpu_inst - VPU instance for video codec
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* @ipi_id : ipi id for each decoder
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* @vsi : driver structure allocated by VPU side and shared to AP side
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* for control and info share
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* @failure : VPU execution result status, 0: success, others: fail
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* @inst_addr : VPU decoder instance address
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* @signaled : 1 - Host has received ack message from VPU, 0 - not received
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* @ctx : context for v4l2 layer integration
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* @dev : platform device of VPU
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* @wq : wait queue to wait VPU message ack
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* @handler : ipi handler for each decoder
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*/
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struct vdec_vpu_inst {
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enum ipi_id id;
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void *vsi;
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int32_t failure;
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uint32_t inst_addr;
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unsigned int signaled;
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struct mtk_vcodec_ctx *ctx;
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struct platform_device *dev;
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wait_queue_head_t wq;
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ipi_handler_t handler;
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};
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/**
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* vpu_dec_init - init decoder instance and allocate required resource in VPU.
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*
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* @vpu: instance for vdec_vpu_inst
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*/
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int vpu_dec_init(struct vdec_vpu_inst *vpu);
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/**
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* vpu_dec_start - start decoding, basically the function will be invoked once
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* every frame.
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*
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* @vpu : instance for vdec_vpu_inst
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* @data: meta data to pass bitstream info to VPU decoder
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* @len : meta data length
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*/
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int vpu_dec_start(struct vdec_vpu_inst *vpu, uint32_t *data, unsigned int len);
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/**
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* vpu_dec_end - end decoding, basically the function will be invoked once
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* when HW decoding done interrupt received successfully. The
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* decoder in VPU will continue to do reference frame management
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* and check if there is a new decoded frame available to display.
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*
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* @vpu : instance for vdec_vpu_inst
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*/
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int vpu_dec_end(struct vdec_vpu_inst *vpu);
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/**
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* vpu_dec_deinit - deinit decoder instance and resource freed in VPU.
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*
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* @vpu: instance for vdec_vpu_inst
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*/
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int vpu_dec_deinit(struct vdec_vpu_inst *vpu);
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/**
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* vpu_dec_reset - reset decoder, use for flush decoder when end of stream or
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* seek. Remainig non displayed frame will be pushed to display.
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*
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* @vpu: instance for vdec_vpu_inst
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*/
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int vpu_dec_reset(struct vdec_vpu_inst *vpu);
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/**
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* vpu_dec_ipi_handler - Handler for VPU ipi message.
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*
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* @data: ipi message
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* @len : length of ipi message
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* @priv: callback private data which is passed by decoder when register.
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*/
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void vpu_dec_ipi_handler(void *data, unsigned int len, void *priv);
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#endif
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