tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright (c) 2016 MediaTek Inc.
3 * Author: PC Chen <pc.chen@mediatek.com>
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15
16#ifndef _VDEC_IPI_MSG_H_
17#define _VDEC_IPI_MSG_H_
18
19/**
20 * enum vdec_ipi_msgid - message id between AP and VPU
21 * @AP_IPIMSG_XXX : AP to VPU cmd message id
22 * @VPU_IPIMSG_XXX_ACK : VPU ack AP cmd message id
23 */
24enum vdec_ipi_msgid {
25 AP_IPIMSG_DEC_INIT = 0xA000,
26 AP_IPIMSG_DEC_START = 0xA001,
27 AP_IPIMSG_DEC_END = 0xA002,
28 AP_IPIMSG_DEC_DEINIT = 0xA003,
29 AP_IPIMSG_DEC_RESET = 0xA004,
30
31 VPU_IPIMSG_DEC_INIT_ACK = 0xB000,
32 VPU_IPIMSG_DEC_START_ACK = 0xB001,
33 VPU_IPIMSG_DEC_END_ACK = 0xB002,
34 VPU_IPIMSG_DEC_DEINIT_ACK = 0xB003,
35 VPU_IPIMSG_DEC_RESET_ACK = 0xB004,
36};
37
38/**
39 * struct vdec_ap_ipi_cmd - generic AP to VPU ipi command format
40 * @msg_id : vdec_ipi_msgid
41 * @vpu_inst_addr : VPU decoder instance address
42 */
43struct vdec_ap_ipi_cmd {
44 uint32_t msg_id;
45 uint32_t vpu_inst_addr;
46};
47
48/**
49 * struct vdec_vpu_ipi_ack - generic VPU to AP ipi command format
50 * @msg_id : vdec_ipi_msgid
51 * @status : VPU exeuction result
52 * @ap_inst_addr : AP video decoder instance address
53 */
54struct vdec_vpu_ipi_ack {
55 uint32_t msg_id;
56 int32_t status;
57 uint64_t ap_inst_addr;
58};
59
60/**
61 * struct vdec_ap_ipi_init - for AP_IPIMSG_DEC_INIT
62 * @msg_id : AP_IPIMSG_DEC_INIT
63 * @reserved : Reserved field
64 * @ap_inst_addr : AP video decoder instance address
65 */
66struct vdec_ap_ipi_init {
67 uint32_t msg_id;
68 uint32_t reserved;
69 uint64_t ap_inst_addr;
70};
71
72/**
73 * struct vdec_ap_ipi_dec_start - for AP_IPIMSG_DEC_START
74 * @msg_id : AP_IPIMSG_DEC_START
75 * @vpu_inst_addr : VPU decoder instance address
76 * @data : Header info
77 * H264 decoder [0]:buf_sz [1]:nal_start
78 * VP8 decoder [0]:width/height
79 * VP9 decoder [0]:profile, [1][2] width/height
80 * @reserved : Reserved field
81 */
82struct vdec_ap_ipi_dec_start {
83 uint32_t msg_id;
84 uint32_t vpu_inst_addr;
85 uint32_t data[3];
86 uint32_t reserved;
87};
88
89/**
90 * struct vdec_vpu_ipi_init_ack - for VPU_IPIMSG_DEC_INIT_ACK
91 * @msg_id : VPU_IPIMSG_DEC_INIT_ACK
92 * @status : VPU exeuction result
93 * @ap_inst_addr : AP vcodec_vpu_inst instance address
94 * @vpu_inst_addr : VPU decoder instance address
95 */
96struct vdec_vpu_ipi_init_ack {
97 uint32_t msg_id;
98 int32_t status;
99 uint64_t ap_inst_addr;
100 uint32_t vpu_inst_addr;
101};
102
103#endif