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_MAX_SIZE                 (64 << 10)
  29#define BINARY_SIGNATURE                0x28211407
  30#define DISCOVERY_TABLE_SIGNATURE       0x53445049
  31
  32typedef 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
  45typedef 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
  53typedef 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
  64typedef 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
  71typedef 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
  82typedef 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
 100typedef struct die_header
 101{
 102        uint16_t die_id;
 103        uint16_t num_ips;
 104} die_header;
 105
 106typedef 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
 116struct 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
 123struct 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
 147typedef struct harvest_info_header {
 148        uint32_t signature; /* Table Signature */
 149        uint32_t version;   /* Table Version */
 150} harvest_info_header;
 151
 152typedef 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
 158typedef struct harvest_table {
 159        harvest_info_header header;
 160        harvest_info list[32];
 161} harvest_table;
 162
 163#pragma pack()
 164
 165#endif
 166