vdec_ipi_msg.h

  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