LXR linux/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
  31typedef 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
  44typedef 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
  52typedef 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
  63typedef 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
  70typedef 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
  81typedef 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
  99typedef struct die_header
 100{
 101        uint16_t die_id;
 102        uint16_t num_ips;
 103} die_header;
 104
 105typedef 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
 115struct 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
 122struct 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
 146typedef struct harvest_info_header {
 147        uint32_t signature; /* Table Signature */
 148        uint32_t version;   /* Table Version */
 149} harvest_info_header;
 150
 151typedef 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
 157typedef struct harvest_table {
 158        harvest_info_header header;
 159        harvest_info list[32];
 160} harvest_table;
 161
 162#pragma pack()
 163
 164#endif
 165