1/*
2 * Copyright 2020 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24#ifndef __MMSCH_V3_0_H__
25#define __MMSCH_V3_0_H__
26
27#include "amdgpu_vcn.h"
28
29#define MMSCH_VERSION_MAJOR 3
30#define MMSCH_VERSION_MINOR 0
31#define MMSCH_VERSION (MMSCH_VERSION_MAJOR << 16 | MMSCH_VERSION_MINOR)
32
33#define MMSCH_V3_0_VCN_INSTANCES 0x2
34
35enum mmsch_v3_0_command_type {
36 MMSCH_COMMAND__DIRECT_REG_WRITE = 0,
37 MMSCH_COMMAND__DIRECT_REG_POLLING = 2,
38 MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE = 3,
39 MMSCH_COMMAND__INDIRECT_REG_WRITE = 8,
40 MMSCH_COMMAND__END = 0xf
41};
42
43struct mmsch_v3_0_table_info {
44 uint32_t init_status;
45 uint32_t table_offset;
46 uint32_t table_size;
47};
48
49struct mmsch_v3_0_init_header {
50 uint32_t version;
51 uint32_t total_size;
52 struct mmsch_v3_0_table_info inst[MMSCH_V3_0_VCN_INSTANCES];
53};
54
55struct mmsch_v3_0_cmd_direct_reg_header {
56 uint32_t reg_offset : 28;
57 uint32_t command_type : 4;
58};
59
60struct mmsch_v3_0_cmd_indirect_reg_header {
61 uint32_t reg_offset : 20;
62 uint32_t reg_idx_space : 8;
63 uint32_t command_type : 4;
64};
65
66struct mmsch_v3_0_cmd_direct_write {
67 struct mmsch_v3_0_cmd_direct_reg_header cmd_header;
68 uint32_t reg_value;
69};
70
71struct mmsch_v3_0_cmd_direct_read_modify_write {
72 struct mmsch_v3_0_cmd_direct_reg_header cmd_header;
73 uint32_t write_data;
74 uint32_t mask_value;
75};
76
77struct mmsch_v3_0_cmd_direct_polling {
78 struct mmsch_v3_0_cmd_direct_reg_header cmd_header;
79 uint32_t mask_value;
80 uint32_t wait_value;
81};
82
83struct mmsch_v3_0_cmd_end {
84 struct mmsch_v3_0_cmd_direct_reg_header cmd_header;
85};
86
87struct mmsch_v3_0_cmd_indirect_write {
88 struct mmsch_v3_0_cmd_indirect_reg_header cmd_header;
89 uint32_t reg_value;
90};
91
92#define MMSCH_V3_0_INSERT_DIRECT_RD_MOD_WT(reg, mask, data) { \
93 size = sizeof(struct mmsch_v3_0_cmd_direct_read_modify_write); \
94 size_dw = size / 4; \
95 direct_rd_mod_wt.cmd_header.reg_offset = reg; \
96 direct_rd_mod_wt.mask_value = mask; \
97 direct_rd_mod_wt.write_data = data; \
98 memcpy((void *)table_loc, &direct_rd_mod_wt, size); \
99 table_loc += size_dw; \
100 table_size += size_dw; \
101}
102
103#define MMSCH_V3_0_INSERT_DIRECT_WT(reg, value) { \
104 size = sizeof(struct mmsch_v3_0_cmd_direct_write); \
105 size_dw = size / 4; \
106 direct_wt.cmd_header.reg_offset = reg; \
107 direct_wt.reg_value = value; \
108 memcpy((void *)table_loc, &direct_wt, size); \
109 table_loc += size_dw; \
110 table_size += size_dw; \
111}
112
113#define MMSCH_V3_0_INSERT_DIRECT_POLL(reg, mask, wait) { \
114 size = sizeof(struct mmsch_v3_0_cmd_direct_polling); \
115 size_dw = size / 4; \
116 direct_poll.cmd_header.reg_offset = reg; \
117 direct_poll.mask_value = mask; \
118 direct_poll.wait_value = wait; \
119 memcpy((void *)table_loc, &direct_poll, size); \
120 table_loc += size_dw; \
121 table_size += size_dw; \
122}
123
124#define MMSCH_V3_0_INSERT_END() { \
125 size = sizeof(struct mmsch_v3_0_cmd_end); \
126 size_dw = size / 4; \
127 memcpy((void *)table_loc, &end, size); \
128 table_loc += size_dw; \
129 table_size += size_dw; \
130}
131
132#endif
133

source code of linux/drivers/gpu/drm/amd/amdgpu/mmsch_v3_0.h