1/*
2 * Copyright 2017 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_V1_0_H__
25#define __MMSCH_V1_0_H__
26
27#define MMSCH_VERSION 0x1
28
29enum mmsch_v1_0_command_type {
30 MMSCH_COMMAND__DIRECT_REG_WRITE = 0,
31 MMSCH_COMMAND__DIRECT_REG_POLLING = 2,
32 MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE = 3,
33 MMSCH_COMMAND__INDIRECT_REG_WRITE = 8,
34 MMSCH_COMMAND__END = 0xf
35};
36
37struct mmsch_v1_0_init_header {
38 uint32_t version;
39 uint32_t header_size;
40 uint32_t vce_init_status;
41 uint32_t uvd_init_status;
42 uint32_t vce_table_offset;
43 uint32_t vce_table_size;
44 uint32_t uvd_table_offset;
45 uint32_t uvd_table_size;
46};
47
48struct mmsch_vf_eng_init_header {
49 uint32_t init_status;
50 uint32_t table_offset;
51 uint32_t table_size;
52};
53
54struct mmsch_v1_1_init_header {
55 uint32_t version;
56 uint32_t total_size;
57 struct mmsch_vf_eng_init_header eng[2];
58};
59
60struct mmsch_v1_0_cmd_direct_reg_header {
61 uint32_t reg_offset : 28;
62 uint32_t command_type : 4;
63};
64
65struct mmsch_v1_0_cmd_indirect_reg_header {
66 uint32_t reg_offset : 20;
67 uint32_t reg_idx_space : 8;
68 uint32_t command_type : 4;
69};
70
71struct mmsch_v1_0_cmd_direct_write {
72 struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
73 uint32_t reg_value;
74};
75
76struct mmsch_v1_0_cmd_direct_read_modify_write {
77 struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
78 uint32_t write_data;
79 uint32_t mask_value;
80};
81
82struct mmsch_v1_0_cmd_direct_polling {
83 struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
84 uint32_t mask_value;
85 uint32_t wait_value;
86};
87
88struct mmsch_v1_0_cmd_end {
89 struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
90};
91
92struct mmsch_v1_0_cmd_indirect_write {
93 struct mmsch_v1_0_cmd_indirect_reg_header cmd_header;
94 uint32_t reg_value;
95};
96
97static inline void mmsch_v1_0_insert_direct_wt(struct mmsch_v1_0_cmd_direct_write *direct_wt,
98 uint32_t *init_table,
99 uint32_t reg_offset,
100 uint32_t value)
101{
102 direct_wt->cmd_header.reg_offset = reg_offset;
103 direct_wt->reg_value = value;
104 memcpy((void *)init_table, direct_wt, sizeof(struct mmsch_v1_0_cmd_direct_write));
105}
106
107static inline void mmsch_v1_0_insert_direct_rd_mod_wt(struct mmsch_v1_0_cmd_direct_read_modify_write *direct_rd_mod_wt,
108 uint32_t *init_table,
109 uint32_t reg_offset,
110 uint32_t mask, uint32_t data)
111{
112 direct_rd_mod_wt->cmd_header.reg_offset = reg_offset;
113 direct_rd_mod_wt->mask_value = mask;
114 direct_rd_mod_wt->write_data = data;
115 memcpy((void *)init_table, direct_rd_mod_wt,
116 sizeof(struct mmsch_v1_0_cmd_direct_read_modify_write));
117}
118
119static inline void mmsch_v1_0_insert_direct_poll(struct mmsch_v1_0_cmd_direct_polling *direct_poll,
120 uint32_t *init_table,
121 uint32_t reg_offset,
122 uint32_t mask, uint32_t wait)
123{
124 direct_poll->cmd_header.reg_offset = reg_offset;
125 direct_poll->mask_value = mask;
126 direct_poll->wait_value = wait;
127 memcpy((void *)init_table, direct_poll, sizeof(struct mmsch_v1_0_cmd_direct_polling));
128}
129
130#define MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(reg, mask, data) { \
131 mmsch_v1_0_insert_direct_rd_mod_wt(&direct_rd_mod_wt, \
132 init_table, (reg), \
133 (mask), (data)); \
134 init_table += sizeof(struct mmsch_v1_0_cmd_direct_read_modify_write)/4; \
135 table_size += sizeof(struct mmsch_v1_0_cmd_direct_read_modify_write)/4; \
136}
137
138#define MMSCH_V1_0_INSERT_DIRECT_WT(reg, value) { \
139 mmsch_v1_0_insert_direct_wt(&direct_wt, \
140 init_table, (reg), \
141 (value)); \
142 init_table += sizeof(struct mmsch_v1_0_cmd_direct_write)/4; \
143 table_size += sizeof(struct mmsch_v1_0_cmd_direct_write)/4; \
144}
145
146#define MMSCH_V1_0_INSERT_DIRECT_POLL(reg, mask, wait) { \
147 mmsch_v1_0_insert_direct_poll(&direct_poll, \
148 init_table, (reg), \
149 (mask), (wait)); \
150 init_table += sizeof(struct mmsch_v1_0_cmd_direct_polling)/4; \
151 table_size += sizeof(struct mmsch_v1_0_cmd_direct_polling)/4; \
152}
153
154#endif
155

source code of linux/drivers/gpu/drm/amd/amdgpu/mmsch_v1_0.h