cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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vdec_ipi_msg.h (3956B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Copyright (c) 2016 MediaTek Inc.
      4 * Author: PC Chen <pc.chen@mediatek.com>
      5 */
      6
      7#ifndef _VDEC_IPI_MSG_H_
      8#define _VDEC_IPI_MSG_H_
      9
     10/*
     11 * enum vdec_ipi_msgid - message id between AP and VPU
     12 * @AP_IPIMSG_XXX	: AP to VPU cmd message id
     13 * @VPU_IPIMSG_XXX_ACK	: VPU ack AP cmd message id
     14 */
     15enum vdec_ipi_msgid {
     16	AP_IPIMSG_DEC_INIT = 0xA000,
     17	AP_IPIMSG_DEC_START = 0xA001,
     18	AP_IPIMSG_DEC_END = 0xA002,
     19	AP_IPIMSG_DEC_DEINIT = 0xA003,
     20	AP_IPIMSG_DEC_RESET = 0xA004,
     21	AP_IPIMSG_DEC_CORE = 0xA005,
     22	AP_IPIMSG_DEC_CORE_END = 0xA006,
     23	AP_IPIMSG_DEC_GET_PARAM = 0xA007,
     24
     25	VPU_IPIMSG_DEC_INIT_ACK = 0xB000,
     26	VPU_IPIMSG_DEC_START_ACK = 0xB001,
     27	VPU_IPIMSG_DEC_END_ACK = 0xB002,
     28	VPU_IPIMSG_DEC_DEINIT_ACK = 0xB003,
     29	VPU_IPIMSG_DEC_RESET_ACK = 0xB004,
     30	VPU_IPIMSG_DEC_CORE_ACK = 0xB005,
     31	VPU_IPIMSG_DEC_CORE_END_ACK = 0xB006,
     32	VPU_IPIMSG_DEC_GET_PARAM_ACK = 0xB007,
     33};
     34
     35/**
     36 * struct vdec_ap_ipi_cmd - generic AP to VPU ipi command format
     37 * @msg_id	: vdec_ipi_msgid
     38 * @vpu_inst_addr : VPU decoder instance address. Used if ABI version < 2.
     39 * @inst_id     : instance ID. Used if the ABI version >= 2.
     40 * @codec_type	: codec fourcc
     41 * @reserved	: reserved param
     42 */
     43struct vdec_ap_ipi_cmd {
     44	uint32_t msg_id;
     45	union {
     46		uint32_t vpu_inst_addr;
     47		uint32_t inst_id;
     48	};
     49	u32 codec_type;
     50	u32 reserved;
     51};
     52
     53/**
     54 * struct vdec_vpu_ipi_ack - generic VPU to AP ipi command format
     55 * @msg_id	: vdec_ipi_msgid
     56 * @status	: VPU exeuction result
     57 * @ap_inst_addr	: AP video decoder instance address
     58 */
     59struct vdec_vpu_ipi_ack {
     60	uint32_t msg_id;
     61	int32_t status;
     62	uint64_t ap_inst_addr;
     63};
     64
     65/**
     66 * struct vdec_ap_ipi_init - for AP_IPIMSG_DEC_INIT
     67 * @msg_id	: AP_IPIMSG_DEC_INIT
     68 * @codec_type	: codec fourcc
     69 * @ap_inst_addr	: AP video decoder instance address
     70 */
     71struct vdec_ap_ipi_init {
     72	uint32_t msg_id;
     73	u32 codec_type;
     74	uint64_t ap_inst_addr;
     75};
     76
     77/**
     78 * struct vdec_ap_ipi_dec_start - for AP_IPIMSG_DEC_START
     79 * @msg_id	: AP_IPIMSG_DEC_START
     80 * @vpu_inst_addr : VPU decoder instance address. Used if ABI version < 2.
     81 * @inst_id     : instance ID. Used if the ABI version >= 2.
     82 * @data	: Header info
     83 *	H264 decoder [0]:buf_sz [1]:nal_start
     84 *	VP8 decoder  [0]:width/height
     85 *	VP9 decoder  [0]:profile, [1][2] width/height
     86 * @codec_type	: codec fourcc
     87 */
     88struct vdec_ap_ipi_dec_start {
     89	uint32_t msg_id;
     90	union {
     91		uint32_t vpu_inst_addr;
     92		uint32_t inst_id;
     93	};
     94	uint32_t data[3];
     95	u32 codec_type;
     96};
     97
     98/**
     99 * struct vdec_vpu_ipi_init_ack - for VPU_IPIMSG_DEC_INIT_ACK
    100 * @msg_id	: VPU_IPIMSG_DEC_INIT_ACK
    101 * @status	: VPU exeuction result
    102 * @ap_inst_addr	: AP vcodec_vpu_inst instance address
    103 * @vpu_inst_addr	: VPU decoder instance address
    104 * @vdec_abi_version:	ABI version of the firmware. Kernel can use it to
    105 *			ensure that it is compatible with the firmware.
    106 *			This field is not valid for MT8173 and must not be
    107 *			accessed for this chip.
    108 * @inst_id     : instance ID. Valid only if the ABI version >= 2.
    109 */
    110struct vdec_vpu_ipi_init_ack {
    111	uint32_t msg_id;
    112	int32_t status;
    113	uint64_t ap_inst_addr;
    114	uint32_t vpu_inst_addr;
    115	uint32_t vdec_abi_version;
    116	uint32_t inst_id;
    117};
    118
    119/**
    120 * struct vdec_ap_ipi_get_param - for AP_IPIMSG_DEC_GET_PARAM
    121 * @msg_id	: AP_IPIMSG_DEC_GET_PARAM
    122 * @inst_id     : instance ID. Used if the ABI version >= 2.
    123 * @data	: picture information
    124 * @param_type	: get param type
    125 * @codec_type	: Codec fourcc
    126 */
    127struct vdec_ap_ipi_get_param {
    128	u32 msg_id;
    129	u32 inst_id;
    130	u32 data[4];
    131	u32 param_type;
    132	u32 codec_type;
    133};
    134
    135/**
    136 * struct vdec_vpu_ipi_get_param_ack - for VPU_IPIMSG_DEC_GET_PARAM_ACK
    137 * @msg_id	: VPU_IPIMSG_DEC_GET_PARAM_ACK
    138 * @status	: VPU execution result
    139 * @ap_inst_addr	: AP vcodec_vpu_inst instance address
    140 * @data     : picture information from SCP.
    141 * @param_type	: get param type
    142 * @reserved : reserved param
    143 */
    144struct vdec_vpu_ipi_get_param_ack {
    145	u32 msg_id;
    146	s32 status;
    147	u64 ap_inst_addr;
    148	u32 data[4];
    149	u32 param_type;
    150	u32 reserved;
    151};
    152
    153#endif