xref: /linux/drivers/gpu/drm/amd/amdgpu/mmsch_v1_0.h (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
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 
29 enum 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 
37 struct 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 
48 struct mmsch_vf_eng_init_header {
49 	uint32_t init_status;
50 	uint32_t table_offset;
51 	uint32_t table_size;
52 };
53 
54 struct 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 
60 struct mmsch_v1_0_cmd_direct_reg_header {
61 	uint32_t reg_offset   : 28;
62 	uint32_t command_type : 4;
63 };
64 
65 struct 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 
71 struct mmsch_v1_0_cmd_direct_write {
72 	struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
73 	uint32_t reg_value;
74 };
75 
76 struct 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 
82 struct 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 
88 struct mmsch_v1_0_cmd_end {
89 	struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
90 };
91 
92 struct mmsch_v1_0_cmd_indirect_write {
93 	struct mmsch_v1_0_cmd_indirect_reg_header cmd_header;
94 	uint32_t reg_value;
95 };
96 
97 static 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 
107 static 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 
119 static 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