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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2016 MediaTek Inc.
* Author: PC Chen <pc.chen@mediatek.com>
*/
#ifndef _VDEC_IPI_MSG_H_
#define _VDEC_IPI_MSG_H_
/*
* enum vdec_ipi_msgid - message id between AP and VPU
* @AP_IPIMSG_XXX : AP to VPU cmd message id
* @VPU_IPIMSG_XXX_ACK : VPU ack AP cmd message id
*/
enum vdec_ipi_msgid {
AP_IPIMSG_DEC_INIT = 0xA000,
AP_IPIMSG_DEC_START = 0xA001,
AP_IPIMSG_DEC_END = 0xA002,
AP_IPIMSG_DEC_DEINIT = 0xA003,
AP_IPIMSG_DEC_RESET = 0xA004,
AP_IPIMSG_DEC_CORE = 0xA005,
AP_IPIMSG_DEC_CORE_END = 0xA006,
AP_IPIMSG_DEC_GET_PARAM = 0xA007,
VPU_IPIMSG_DEC_INIT_ACK = 0xB000,
VPU_IPIMSG_DEC_START_ACK = 0xB001,
VPU_IPIMSG_DEC_END_ACK = 0xB002,
VPU_IPIMSG_DEC_DEINIT_ACK = 0xB003,
VPU_IPIMSG_DEC_RESET_ACK = 0xB004,
VPU_IPIMSG_DEC_CORE_ACK = 0xB005,
VPU_IPIMSG_DEC_CORE_END_ACK = 0xB006,
VPU_IPIMSG_DEC_GET_PARAM_ACK = 0xB007,
};
/**
* struct vdec_ap_ipi_cmd - generic AP to VPU ipi command format
* @msg_id : vdec_ipi_msgid
* @vpu_inst_addr : VPU decoder instance address. Used if ABI version < 2.
* @inst_id : instance ID. Used if the ABI version >= 2.
* @codec_type : codec fourcc
* @reserved : reserved param
*/
struct vdec_ap_ipi_cmd {
uint32_t msg_id;
union {
uint32_t vpu_inst_addr;
uint32_t inst_id;
};
u32 codec_type;
u32 reserved;
};
/**
* struct vdec_vpu_ipi_ack - generic VPU to AP ipi command format
* @msg_id : vdec_ipi_msgid
* @status : VPU exeuction result
* @ap_inst_addr : AP video decoder instance address
*/
struct vdec_vpu_ipi_ack {
uint32_t msg_id;
int32_t status;
uint64_t ap_inst_addr;
};
/**
* struct vdec_ap_ipi_init - for AP_IPIMSG_DEC_INIT
* @msg_id : AP_IPIMSG_DEC_INIT
* @codec_type : codec fourcc
* @ap_inst_addr : AP video decoder instance address
*/
struct vdec_ap_ipi_init {
uint32_t msg_id;
u32 codec_type;
uint64_t ap_inst_addr;
};
/**
* struct vdec_ap_ipi_dec_start - for AP_IPIMSG_DEC_START
* @msg_id : AP_IPIMSG_DEC_START
* @vpu_inst_addr : VPU decoder instance address. Used if ABI version < 2.
* @inst_id : instance ID. Used if the ABI version >= 2.
* @data : Header info
* H264 decoder [0]:buf_sz [1]:nal_start
* VP8 decoder [0]:width/height
* VP9 decoder [0]:profile, [1][2] width/height
* @codec_type : codec fourcc
*/
struct vdec_ap_ipi_dec_start {
uint32_t msg_id;
union {
uint32_t vpu_inst_addr;
uint32_t inst_id;
};
uint32_t data[3];
u32 codec_type;
};
/**
* struct vdec_vpu_ipi_init_ack - for VPU_IPIMSG_DEC_INIT_ACK
* @msg_id : VPU_IPIMSG_DEC_INIT_ACK
* @status : VPU exeuction result
* @ap_inst_addr : AP vcodec_vpu_inst instance address
* @vpu_inst_addr : VPU decoder instance address
* @vdec_abi_version: ABI version of the firmware. Kernel can use it to
* ensure that it is compatible with the firmware.
* This field is not valid for MT8173 and must not be
* accessed for this chip.
* @inst_id : instance ID. Valid only if the ABI version >= 2.
*/
struct vdec_vpu_ipi_init_ack {
uint32_t msg_id;
int32_t status;
uint64_t ap_inst_addr;
uint32_t vpu_inst_addr;
uint32_t vdec_abi_version;
uint32_t inst_id;
};
/**
* struct vdec_ap_ipi_get_param - for AP_IPIMSG_DEC_GET_PARAM
* @msg_id : AP_IPIMSG_DEC_GET_PARAM
* @inst_id : instance ID. Used if the ABI version >= 2.
* @data : picture information
* @param_type : get param type
* @codec_type : Codec fourcc
*/
struct vdec_ap_ipi_get_param {
u32 msg_id;
u32 inst_id;
u32 data[4];
u32 param_type;
u32 codec_type;
};
/**
* struct vdec_vpu_ipi_get_param_ack - for VPU_IPIMSG_DEC_GET_PARAM_ACK
* @msg_id : VPU_IPIMSG_DEC_GET_PARAM_ACK
* @status : VPU execution result
* @ap_inst_addr : AP vcodec_vpu_inst instance address
* @data : picture information from SCP.
* @param_type : get param type
* @reserved : reserved param
*/
struct vdec_vpu_ipi_get_param_ack {
u32 msg_id;
s32 status;
u64 ap_inst_addr;
u32 data[4];
u32 param_type;
u32 reserved;
};
#endif
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