1 /*
2  * Copyright 2019 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  * Authors: AMD
23  *
24  */
25 
26 #ifndef _DMUB_DCN20_H_
27 #define _DMUB_DCN20_H_
28 
29 #include "../inc/dmub_types.h"
30 
31 struct dmub_srv;
32 
33 /* DCN20 register definitions. */
34 
35 #define DMUB_COMMON_REGS() \
36 	DMUB_SR(DMCUB_CNTL) \
37 	DMUB_SR(DMCUB_MEM_CNTL) \
38 	DMUB_SR(DMCUB_SEC_CNTL) \
39 	DMUB_SR(DMCUB_INBOX1_BASE_ADDRESS) \
40 	DMUB_SR(DMCUB_INBOX1_SIZE) \
41 	DMUB_SR(DMCUB_INBOX1_RPTR) \
42 	DMUB_SR(DMCUB_INBOX1_WPTR) \
43 	DMUB_SR(DMCUB_REGION3_CW0_OFFSET) \
44 	DMUB_SR(DMCUB_REGION3_CW1_OFFSET) \
45 	DMUB_SR(DMCUB_REGION3_CW2_OFFSET) \
46 	DMUB_SR(DMCUB_REGION3_CW3_OFFSET) \
47 	DMUB_SR(DMCUB_REGION3_CW4_OFFSET) \
48 	DMUB_SR(DMCUB_REGION3_CW5_OFFSET) \
49 	DMUB_SR(DMCUB_REGION3_CW6_OFFSET) \
50 	DMUB_SR(DMCUB_REGION3_CW7_OFFSET) \
51 	DMUB_SR(DMCUB_REGION3_CW0_OFFSET_HIGH) \
52 	DMUB_SR(DMCUB_REGION3_CW1_OFFSET_HIGH) \
53 	DMUB_SR(DMCUB_REGION3_CW2_OFFSET_HIGH) \
54 	DMUB_SR(DMCUB_REGION3_CW3_OFFSET_HIGH) \
55 	DMUB_SR(DMCUB_REGION3_CW4_OFFSET_HIGH) \
56 	DMUB_SR(DMCUB_REGION3_CW5_OFFSET_HIGH) \
57 	DMUB_SR(DMCUB_REGION3_CW6_OFFSET_HIGH) \
58 	DMUB_SR(DMCUB_REGION3_CW7_OFFSET_HIGH) \
59 	DMUB_SR(DMCUB_REGION3_CW0_BASE_ADDRESS) \
60 	DMUB_SR(DMCUB_REGION3_CW1_BASE_ADDRESS) \
61 	DMUB_SR(DMCUB_REGION3_CW2_BASE_ADDRESS) \
62 	DMUB_SR(DMCUB_REGION3_CW3_BASE_ADDRESS) \
63 	DMUB_SR(DMCUB_REGION3_CW4_BASE_ADDRESS) \
64 	DMUB_SR(DMCUB_REGION3_CW5_BASE_ADDRESS) \
65 	DMUB_SR(DMCUB_REGION3_CW6_BASE_ADDRESS) \
66 	DMUB_SR(DMCUB_REGION3_CW7_BASE_ADDRESS) \
67 	DMUB_SR(DMCUB_REGION3_CW0_TOP_ADDRESS) \
68 	DMUB_SR(DMCUB_REGION3_CW1_TOP_ADDRESS) \
69 	DMUB_SR(DMCUB_REGION3_CW2_TOP_ADDRESS) \
70 	DMUB_SR(DMCUB_REGION3_CW3_TOP_ADDRESS) \
71 	DMUB_SR(DMCUB_REGION3_CW4_TOP_ADDRESS) \
72 	DMUB_SR(DMCUB_REGION3_CW5_TOP_ADDRESS) \
73 	DMUB_SR(DMCUB_REGION3_CW6_TOP_ADDRESS) \
74 	DMUB_SR(DMCUB_REGION3_CW7_TOP_ADDRESS) \
75 	DMUB_SR(DMCUB_REGION4_OFFSET) \
76 	DMUB_SR(DMCUB_REGION4_OFFSET_HIGH) \
77 	DMUB_SR(DMCUB_REGION4_TOP_ADDRESS) \
78 	DMUB_SR(DMCUB_SCRATCH0) \
79 	DMUB_SR(DMCUB_SCRATCH1) \
80 	DMUB_SR(DMCUB_SCRATCH2) \
81 	DMUB_SR(DMCUB_SCRATCH3) \
82 	DMUB_SR(DMCUB_SCRATCH4) \
83 	DMUB_SR(DMCUB_SCRATCH5) \
84 	DMUB_SR(DMCUB_SCRATCH6) \
85 	DMUB_SR(DMCUB_SCRATCH7) \
86 	DMUB_SR(DMCUB_SCRATCH8) \
87 	DMUB_SR(DMCUB_SCRATCH9) \
88 	DMUB_SR(DMCUB_SCRATCH10) \
89 	DMUB_SR(DMCUB_SCRATCH11) \
90 	DMUB_SR(DMCUB_SCRATCH12) \
91 	DMUB_SR(DMCUB_SCRATCH13) \
92 	DMUB_SR(DMCUB_SCRATCH14) \
93 	DMUB_SR(DMCUB_SCRATCH15) \
94 	DMUB_SR(DMCUB_GPINT_DATAIN1) \
95 	DMUB_SR(CC_DC_PIPE_DIS) \
96 	DMUB_SR(MMHUBBUB_SOFT_RESET) \
97 	DMUB_SR(DCN_VM_FB_LOCATION_BASE) \
98 	DMUB_SR(DCN_VM_FB_OFFSET)
99 
100 #define DMUB_COMMON_FIELDS() \
101 	DMUB_SF(DMCUB_CNTL, DMCUB_ENABLE) \
102 	DMUB_SF(DMCUB_CNTL, DMCUB_SOFT_RESET) \
103 	DMUB_SF(DMCUB_CNTL, DMCUB_TRACEPORT_EN) \
104 	DMUB_SF(DMCUB_MEM_CNTL, DMCUB_MEM_READ_SPACE) \
105 	DMUB_SF(DMCUB_MEM_CNTL, DMCUB_MEM_WRITE_SPACE) \
106 	DMUB_SF(DMCUB_SEC_CNTL, DMCUB_SEC_RESET) \
107 	DMUB_SF(DMCUB_SEC_CNTL, DMCUB_MEM_UNIT_ID) \
108 	DMUB_SF(DMCUB_REGION3_CW0_TOP_ADDRESS, DMCUB_REGION3_CW0_TOP_ADDRESS) \
109 	DMUB_SF(DMCUB_REGION3_CW0_TOP_ADDRESS, DMCUB_REGION3_CW0_ENABLE) \
110 	DMUB_SF(DMCUB_REGION3_CW1_TOP_ADDRESS, DMCUB_REGION3_CW1_TOP_ADDRESS) \
111 	DMUB_SF(DMCUB_REGION3_CW1_TOP_ADDRESS, DMCUB_REGION3_CW1_ENABLE) \
112 	DMUB_SF(DMCUB_REGION3_CW2_TOP_ADDRESS, DMCUB_REGION3_CW2_TOP_ADDRESS) \
113 	DMUB_SF(DMCUB_REGION3_CW2_TOP_ADDRESS, DMCUB_REGION3_CW2_ENABLE) \
114 	DMUB_SF(DMCUB_REGION3_CW3_TOP_ADDRESS, DMCUB_REGION3_CW3_TOP_ADDRESS) \
115 	DMUB_SF(DMCUB_REGION3_CW3_TOP_ADDRESS, DMCUB_REGION3_CW3_ENABLE) \
116 	DMUB_SF(DMCUB_REGION3_CW4_TOP_ADDRESS, DMCUB_REGION3_CW4_TOP_ADDRESS) \
117 	DMUB_SF(DMCUB_REGION3_CW4_TOP_ADDRESS, DMCUB_REGION3_CW4_ENABLE) \
118 	DMUB_SF(DMCUB_REGION3_CW5_TOP_ADDRESS, DMCUB_REGION3_CW5_TOP_ADDRESS) \
119 	DMUB_SF(DMCUB_REGION3_CW5_TOP_ADDRESS, DMCUB_REGION3_CW5_ENABLE) \
120 	DMUB_SF(DMCUB_REGION3_CW6_TOP_ADDRESS, DMCUB_REGION3_CW6_TOP_ADDRESS) \
121 	DMUB_SF(DMCUB_REGION3_CW6_TOP_ADDRESS, DMCUB_REGION3_CW6_ENABLE) \
122 	DMUB_SF(DMCUB_REGION3_CW7_TOP_ADDRESS, DMCUB_REGION3_CW7_TOP_ADDRESS) \
123 	DMUB_SF(DMCUB_REGION3_CW7_TOP_ADDRESS, DMCUB_REGION3_CW7_ENABLE) \
124 	DMUB_SF(DMCUB_REGION4_TOP_ADDRESS, DMCUB_REGION4_TOP_ADDRESS) \
125 	DMUB_SF(DMCUB_REGION4_TOP_ADDRESS, DMCUB_REGION4_ENABLE) \
126 	DMUB_SF(CC_DC_PIPE_DIS, DC_DMCUB_ENABLE) \
127 	DMUB_SF(MMHUBBUB_SOFT_RESET, DMUIF_SOFT_RESET) \
128 	DMUB_SF(DCN_VM_FB_LOCATION_BASE, FB_BASE) \
129 	DMUB_SF(DCN_VM_FB_OFFSET, FB_OFFSET)
130 
131 struct dmub_srv_common_reg_offset {
132 #define DMUB_SR(reg) uint32_t reg;
133 	DMUB_COMMON_REGS()
134 #undef DMUB_SR
135 };
136 
137 struct dmub_srv_common_reg_shift {
138 #define DMUB_SF(reg, field) uint8_t reg##__##field;
139 	DMUB_COMMON_FIELDS()
140 #undef DMUB_SF
141 };
142 
143 struct dmub_srv_common_reg_mask {
144 #define DMUB_SF(reg, field) uint32_t reg##__##field;
145 	DMUB_COMMON_FIELDS()
146 #undef DMUB_SF
147 };
148 
149 struct dmub_srv_common_regs {
150 	const struct dmub_srv_common_reg_offset offset;
151 	const struct dmub_srv_common_reg_mask mask;
152 	const struct dmub_srv_common_reg_shift shift;
153 };
154 
155 extern const struct dmub_srv_common_regs dmub_srv_dcn20_regs;
156 
157 /* Hardware functions. */
158 
159 void dmub_dcn20_init(struct dmub_srv *dmub);
160 
161 void dmub_dcn20_reset(struct dmub_srv *dmub);
162 
163 void dmub_dcn20_reset_release(struct dmub_srv *dmub);
164 
165 void dmub_dcn20_backdoor_load(struct dmub_srv *dmub,
166 			      const struct dmub_window *cw0,
167 			      const struct dmub_window *cw1);
168 
169 void dmub_dcn20_setup_windows(struct dmub_srv *dmub,
170 			      const struct dmub_window *cw2,
171 			      const struct dmub_window *cw3,
172 			      const struct dmub_window *cw4,
173 			      const struct dmub_window *cw5,
174 			      const struct dmub_window *cw6);
175 
176 void dmub_dcn20_setup_mailbox(struct dmub_srv *dmub,
177 			      const struct dmub_region *inbox1);
178 
179 uint32_t dmub_dcn20_get_inbox1_rptr(struct dmub_srv *dmub);
180 
181 void dmub_dcn20_set_inbox1_wptr(struct dmub_srv *dmub, uint32_t wptr_offset);
182 
183 bool dmub_dcn20_is_hw_init(struct dmub_srv *dmub);
184 
185 bool dmub_dcn20_is_supported(struct dmub_srv *dmub);
186 
187 void dmub_dcn20_set_gpint(struct dmub_srv *dmub,
188 			  union dmub_gpint_data_register reg);
189 
190 bool dmub_dcn20_is_gpint_acked(struct dmub_srv *dmub,
191 			       union dmub_gpint_data_register reg);
192 
193 uint32_t dmub_dcn20_get_gpint_response(struct dmub_srv *dmub);
194 
195 #endif /* _DMUB_DCN20_H_ */
196