drivers/gpu/drm/amd/include/discovery.h

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