xref: /linux/drivers/gpu/drm/amd/include/discovery.h (revision 52338415)
1 /*
2  * Copyright 2018 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 _DISCOVERY_H_
25 #define _DISCOVERY_H_
26 
27 #define PSP_HEADER_SIZE                 256
28 #define BINARY_MAX_SIZE                 (64 << 10)
29 #define BINARY_SIGNATURE                0x28211407
30 #define DISCOVERY_TABLE_SIGNATURE       0x53445049
31 
32 typedef enum
33 {
34 	IP_DISCOVERY = 0,
35 	GC,
36 	HARVEST_INFO,
37 	TABLE_4,
38 	RESERVED_1,
39 	RESERVED_2,
40 	TOTAL_TABLES = 6
41 } table;
42 
43 #pragma pack(1)
44 
45 typedef struct table_info
46 {
47 	uint16_t offset;   /* Byte offset */
48 	uint16_t checksum; /* Byte sum of the table */
49 	uint16_t size;     /* Table size */
50 	uint16_t padding;
51 } table_info;
52 
53 typedef struct binary_header
54 {
55 	/* psp structure should go at the top of this structure */
56 	uint32_t binary_signature; /* 0x7, 0x14, 0x21, 0x28 */
57 	uint16_t version_major;
58 	uint16_t version_minor;
59 	uint16_t binary_checksum;  /* Byte sum of the binary after this field */
60 	uint16_t binary_size;      /* Binary Size*/
61 	table_info table_list[TOTAL_TABLES];
62 } binary_header;
63 
64 typedef struct die_info
65 {
66 	uint16_t die_id;
67 	uint16_t die_offset; /* Points to the corresponding die_header structure */
68 } die_info;
69 
70 
71 typedef struct ip_discovery_header
72 {
73 	uint32_t signature;    /* Table Signature */
74 	uint16_t version;      /* Table Version */
75 	uint16_t size;         /* Table Size */
76 	uint32_t id;           /* Table ID */
77 	uint16_t num_dies;     /* Number of Dies */
78 	die_info die_info[16]; /* list die information for up to 16 dies */
79 	uint16_t padding[1];   /* padding */
80 } ip_discovery_header;
81 
82 typedef struct ip
83 {
84 	uint16_t hw_id;           /* Hardware ID */
85 	uint8_t number_instance;  /* instance of the IP */
86 	uint8_t num_base_address; /* Number of Base Addresses */
87 	uint8_t major;            /* HCID Major */
88 	uint8_t minor;            /* HCID Minor */
89 	uint8_t revision;         /* HCID Revision */
90 #if defined(__BIG_ENDIAN)
91 	uint8_t reserved : 4;     /* Placeholder field */
92 	uint8_t harvest : 4;      /* Harvest */
93 #else
94 	uint8_t harvest : 4;      /* Harvest */
95 	uint8_t reserved : 4;     /* Placeholder field */
96 #endif
97 	uint32_t base_address[1]; /* variable number of Addresses */
98 } ip;
99 
100 typedef struct die_header
101 {
102 	uint16_t die_id;
103 	uint16_t num_ips;
104 } die_header;
105 
106 typedef struct ip_structure
107 {
108 	ip_discovery_header* header;
109 	struct die
110 	{
111 		die_header *die_header;
112 		ip *ip_list;
113 	} die;
114 } ip_structure;
115 
116 struct gpu_info_header {
117 	uint32_t table_id;      /* table ID */
118 	uint16_t version_major; /* table version */
119 	uint16_t version_minor; /* table version */
120 	uint32_t size;          /* size of the entire header+data in bytes */
121 };
122 
123 struct gc_info_v1_0 {
124 	struct gpu_info_header header;
125 
126 	uint32_t gc_num_se;
127 	uint32_t gc_num_wgp0_per_sa;
128 	uint32_t gc_num_wgp1_per_sa;
129 	uint32_t gc_num_rb_per_se;
130 	uint32_t gc_num_gl2c;
131 	uint32_t gc_num_gprs;
132 	uint32_t gc_num_max_gs_thds;
133 	uint32_t gc_gs_table_depth;
134 	uint32_t gc_gsprim_buff_depth;
135 	uint32_t gc_parameter_cache_depth;
136 	uint32_t gc_double_offchip_lds_buffer;
137 	uint32_t gc_wave_size;
138 	uint32_t gc_max_waves_per_simd;
139 	uint32_t gc_max_scratch_slots_per_cu;
140 	uint32_t gc_lds_size;
141 	uint32_t gc_num_sc_per_se;
142 	uint32_t gc_num_sa_per_se;
143 	uint32_t gc_num_packer_per_sc;
144 	uint32_t gc_num_gl2a;
145 };
146 
147 typedef struct harvest_info_header {
148 	uint32_t signature; /* Table Signature */
149 	uint32_t version;   /* Table Version */
150 } harvest_info_header;
151 
152 typedef struct harvest_info {
153 	uint16_t hw_id;          /* Hardware ID */
154 	uint8_t number_instance; /* Instance of the IP */
155 	uint8_t reserved;        /* Reserved for alignment */
156 } harvest_info;
157 
158 typedef struct harvest_table {
159 	harvest_info_header header;
160 	harvest_info list[32];
161 } harvest_table;
162 
163 #pragma pack()
164 
165 #endif
166