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