mmsch_v3_0.h revision 1.1 
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
33enum mmsch_v3_0_command_type {
34	MMSCH_COMMAND__DIRECT_REG_WRITE = 0,
35	MMSCH_COMMAND__DIRECT_REG_POLLING = 2,
36	MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE = 3,
37	MMSCH_COMMAND__INDIRECT_REG_WRITE = 8,
38	MMSCH_COMMAND__END = 0xf
39};
40
41struct mmsch_v3_0_table_info {
42	uint32_t init_status;
43	uint32_t table_offset;
44	uint32_t table_size;
45};
46
47struct mmsch_v3_0_init_header {
48	uint32_t version;
49	uint32_t total_size;
50	struct mmsch_v3_0_table_info inst[AMDGPU_MAX_VCN_INSTANCES];
51};
52
53struct mmsch_v3_0_cmd_direct_reg_header {
54	uint32_t reg_offset   : 28;
55	uint32_t command_type : 4;
56};
57
58struct mmsch_v3_0_cmd_indirect_reg_header {
59	uint32_t reg_offset    : 20;
60	uint32_t reg_idx_space : 8;
61	uint32_t command_type  : 4;
62};
63
64struct mmsch_v3_0_cmd_direct_write {
65	struct mmsch_v3_0_cmd_direct_reg_header cmd_header;
66	uint32_t reg_value;
67};
68
69struct mmsch_v3_0_cmd_direct_read_modify_write {
70	struct mmsch_v3_0_cmd_direct_reg_header cmd_header;
71	uint32_t write_data;
72	uint32_t mask_value;
73};
74
75struct mmsch_v3_0_cmd_direct_polling {
76	struct mmsch_v3_0_cmd_direct_reg_header cmd_header;
77	uint32_t mask_value;
78	uint32_t wait_value;
79};
80
81struct mmsch_v3_0_cmd_end {
82	struct mmsch_v3_0_cmd_direct_reg_header cmd_header;
83};
84
85struct mmsch_v3_0_cmd_indirect_write {
86	struct mmsch_v3_0_cmd_indirect_reg_header cmd_header;
87	uint32_t reg_value;
88};
89
90#define MMSCH_V3_0_INSERT_DIRECT_RD_MOD_WT(reg, mask, data) { \
91	size = sizeof(struct mmsch_v3_0_cmd_direct_read_modify_write); \
92	size_dw = size / 4; \
93	direct_rd_mod_wt.cmd_header.reg_offset = reg; \
94	direct_rd_mod_wt.mask_value = mask; \
95	direct_rd_mod_wt.write_data = data; \
96	memcpy((void *)table_loc, &direct_rd_mod_wt, size); \
97	table_loc += size_dw; \
98	table_size += size_dw; \
99}
100
101#define MMSCH_V3_0_INSERT_DIRECT_WT(reg, value) { \
102	size = sizeof(struct mmsch_v3_0_cmd_direct_write); \
103	size_dw = size / 4; \
104	direct_wt.cmd_header.reg_offset = reg; \
105	direct_wt.reg_value = value; \
106	memcpy((void *)table_loc, &direct_wt, size); \
107	table_loc += size_dw; \
108	table_size += size_dw; \
109}
110
111#define MMSCH_V3_0_INSERT_DIRECT_POLL(reg, mask, wait) { \
112	size = sizeof(struct mmsch_v3_0_cmd_direct_polling); \
113	size_dw = size / 4; \
114	direct_poll.cmd_header.reg_offset = reg; \
115	direct_poll.mask_value = mask; \
116	direct_poll.wait_value = wait; \
117	memcpy((void *)table_loc, &direct_poll, size); \
118	table_loc += size_dw; \
119	table_size += size_dw; \
120}
121
122#define MMSCH_V3_0_INSERT_END() { \
123	size = sizeof(struct mmsch_v3_0_cmd_end); \
124	size_dw = size / 4; \
125	memcpy((void *)table_loc, &end, size); \
126	table_loc += size_dw; \
127	table_size += size_dw; \
128}
129
130#endif
131