xref: /dragonfly/sys/dev/drm/amd/amdgpu/mmsch_v1_0.h (revision 7d3e9a5b)
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_MAJOR	1
28 #define MMSCH_VERSION_MINOR	0
29 #define MMSCH_VERSION	(MMSCH_VERSION_MAJOR << 16 | MMSCH_VERSION_MINOR)
30 
31 enum mmsch_v1_0_command_type {
32 	MMSCH_COMMAND__DIRECT_REG_WRITE = 0,
33 	MMSCH_COMMAND__DIRECT_REG_POLLING = 2,
34 	MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE = 3,
35 	MMSCH_COMMAND__INDIRECT_REG_WRITE = 8,
36 	MMSCH_COMMAND__END = 0xf
37 };
38 
39 struct mmsch_v1_0_init_header {
40 	uint32_t version;
41 	uint32_t header_size;
42 	uint32_t vce_init_status;
43 	uint32_t uvd_init_status;
44 	uint32_t vce_table_offset;
45 	uint32_t vce_table_size;
46 	uint32_t uvd_table_offset;
47 	uint32_t uvd_table_size;
48 };
49 
50 struct mmsch_v1_0_cmd_direct_reg_header {
51 	uint32_t reg_offset   : 28;
52 	uint32_t command_type : 4;
53 };
54 
55 struct mmsch_v1_0_cmd_indirect_reg_header {
56 	uint32_t reg_offset    : 20;
57 	uint32_t reg_idx_space : 8;
58 	uint32_t command_type  : 4;
59 };
60 
61 struct mmsch_v1_0_cmd_direct_write {
62 	struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
63 	uint32_t reg_value;
64 };
65 
66 struct mmsch_v1_0_cmd_direct_read_modify_write {
67 	struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
68 	uint32_t write_data;
69 	uint32_t mask_value;
70 };
71 
72 struct mmsch_v1_0_cmd_direct_polling {
73 	struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
74 	uint32_t mask_value;
75 	uint32_t wait_value;
76 };
77 
78 struct mmsch_v1_0_cmd_end {
79 	struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
80 };
81 
82 struct mmsch_v1_0_cmd_indirect_write {
83 	struct mmsch_v1_0_cmd_indirect_reg_header cmd_header;
84 	uint32_t reg_value;
85 };
86 
87 static inline void mmsch_v1_0_insert_direct_wt(struct mmsch_v1_0_cmd_direct_write *direct_wt,
88 					       uint32_t *init_table,
89 					       uint32_t reg_offset,
90 					       uint32_t value)
91 {
92 	direct_wt->cmd_header.reg_offset = reg_offset;
93 	direct_wt->reg_value = value;
94 	memcpy((void *)init_table, direct_wt, sizeof(struct mmsch_v1_0_cmd_direct_write));
95 }
96 
97 static inline void mmsch_v1_0_insert_direct_rd_mod_wt(struct mmsch_v1_0_cmd_direct_read_modify_write *direct_rd_mod_wt,
98 						      uint32_t *init_table,
99 						      uint32_t reg_offset,
100 						      uint32_t mask, uint32_t data)
101 {
102 	direct_rd_mod_wt->cmd_header.reg_offset = reg_offset;
103 	direct_rd_mod_wt->mask_value = mask;
104 	direct_rd_mod_wt->write_data = data;
105 	memcpy((void *)init_table, direct_rd_mod_wt,
106 	       sizeof(struct mmsch_v1_0_cmd_direct_read_modify_write));
107 }
108 
109 static inline void mmsch_v1_0_insert_direct_poll(struct mmsch_v1_0_cmd_direct_polling *direct_poll,
110 						 uint32_t *init_table,
111 						 uint32_t reg_offset,
112 						 uint32_t mask, uint32_t wait)
113 {
114 	direct_poll->cmd_header.reg_offset = reg_offset;
115 	direct_poll->mask_value = mask;
116 	direct_poll->wait_value = wait;
117 	memcpy((void *)init_table, direct_poll, sizeof(struct mmsch_v1_0_cmd_direct_polling));
118 }
119 
120 #define MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(reg, mask, data) { \
121 	mmsch_v1_0_insert_direct_rd_mod_wt(&direct_rd_mod_wt, \
122 					   init_table, (reg), \
123 					   (mask), (data)); \
124 	init_table += sizeof(struct mmsch_v1_0_cmd_direct_read_modify_write)/4; \
125 	table_size += sizeof(struct mmsch_v1_0_cmd_direct_read_modify_write)/4; \
126 }
127 
128 #define MMSCH_V1_0_INSERT_DIRECT_WT(reg, value) { \
129 	mmsch_v1_0_insert_direct_wt(&direct_wt, \
130 				    init_table, (reg), \
131 				    (value)); \
132 	init_table += sizeof(struct mmsch_v1_0_cmd_direct_write)/4; \
133 	table_size += sizeof(struct mmsch_v1_0_cmd_direct_write)/4; \
134 }
135 
136 #define MMSCH_V1_0_INSERT_DIRECT_POLL(reg, mask, wait) { \
137 	mmsch_v1_0_insert_direct_poll(&direct_poll, \
138 				      init_table, (reg), \
139 				      (mask), (wait)); \
140 	init_table += sizeof(struct mmsch_v1_0_cmd_direct_polling)/4; \
141 	table_size += sizeof(struct mmsch_v1_0_cmd_direct_polling)/4; \
142 }
143 
144 #endif
145