741cc360df
Add support for decoder firmware version 2, which makes the kernel responsible for managing the VSI context and is used for stateless codecs. Signed-off-by: Alexandre Courbot <acourbot@chromium.org> Signed-off-by: Tzung-Bi Shih <tzungbi@google.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
110 lines
2.8 KiB
C
110 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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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_IPI_MSG_H_
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#define _VDEC_IPI_MSG_H_
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/*
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* enum vdec_ipi_msgid - message id between AP and VPU
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* @AP_IPIMSG_XXX : AP to VPU cmd message id
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* @VPU_IPIMSG_XXX_ACK : VPU ack AP cmd message id
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*/
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enum vdec_ipi_msgid {
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AP_IPIMSG_DEC_INIT = 0xA000,
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AP_IPIMSG_DEC_START = 0xA001,
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AP_IPIMSG_DEC_END = 0xA002,
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AP_IPIMSG_DEC_DEINIT = 0xA003,
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AP_IPIMSG_DEC_RESET = 0xA004,
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VPU_IPIMSG_DEC_INIT_ACK = 0xB000,
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VPU_IPIMSG_DEC_START_ACK = 0xB001,
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VPU_IPIMSG_DEC_END_ACK = 0xB002,
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VPU_IPIMSG_DEC_DEINIT_ACK = 0xB003,
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VPU_IPIMSG_DEC_RESET_ACK = 0xB004,
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};
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/**
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* struct vdec_ap_ipi_cmd - generic AP to VPU ipi command format
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* @msg_id : vdec_ipi_msgid
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* @vpu_inst_addr : VPU decoder instance address. Used if ABI version < 2.
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* @inst_id : instance ID. Used if the ABI version >= 2.
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*/
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struct vdec_ap_ipi_cmd {
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uint32_t msg_id;
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union {
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uint32_t vpu_inst_addr;
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uint32_t inst_id;
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};
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};
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/**
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* struct vdec_vpu_ipi_ack - generic VPU to AP ipi command format
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* @msg_id : vdec_ipi_msgid
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* @status : VPU exeuction result
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* @ap_inst_addr : AP video decoder instance address
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*/
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struct vdec_vpu_ipi_ack {
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uint32_t msg_id;
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int32_t status;
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uint64_t ap_inst_addr;
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};
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/**
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* struct vdec_ap_ipi_init - for AP_IPIMSG_DEC_INIT
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* @msg_id : AP_IPIMSG_DEC_INIT
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* @reserved : Reserved field
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* @ap_inst_addr : AP video decoder instance address
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*/
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struct vdec_ap_ipi_init {
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uint32_t msg_id;
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uint32_t reserved;
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uint64_t ap_inst_addr;
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};
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/**
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* struct vdec_ap_ipi_dec_start - for AP_IPIMSG_DEC_START
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* @msg_id : AP_IPIMSG_DEC_START
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* @vpu_inst_addr : VPU decoder instance address. Used if ABI version < 2.
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* @inst_id : instance ID. Used if the ABI version >= 2.
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* @data : Header info
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* H264 decoder [0]:buf_sz [1]:nal_start
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* VP8 decoder [0]:width/height
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* VP9 decoder [0]:profile, [1][2] width/height
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* @reserved : Reserved field
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*/
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struct vdec_ap_ipi_dec_start {
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uint32_t msg_id;
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union {
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uint32_t vpu_inst_addr;
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uint32_t inst_id;
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};
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uint32_t data[3];
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uint32_t reserved;
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};
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/**
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* struct vdec_vpu_ipi_init_ack - for VPU_IPIMSG_DEC_INIT_ACK
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* @msg_id : VPU_IPIMSG_DEC_INIT_ACK
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* @status : VPU exeuction result
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* @ap_inst_addr : AP vcodec_vpu_inst instance address
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* @vpu_inst_addr : VPU decoder instance address
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* @vdec_abi_version: ABI version of the firmware. Kernel can use it to
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* ensure that it is compatible with the firmware.
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* This field is not valid for MT8173 and must not be
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* accessed for this chip.
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* @inst_id : instance ID. Valid only if the ABI version >= 2.
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*/
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struct vdec_vpu_ipi_init_ack {
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uint32_t msg_id;
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int32_t status;
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uint64_t ap_inst_addr;
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uint32_t vpu_inst_addr;
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uint32_t vdec_abi_version;
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uint32_t inst_id;
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};
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#endif
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