LXR linux/drivers/gpu/drm/amd/amdgpu/mmsch_v1

   1/*
   2 * Copyright 2017 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 __MMSCH_V1_0_H__
  25#define __MMSCH_V1_0_H__
  26
  27#define MMSCH_VERSION_MAJOR     1
  28#define MMSCH_VERSION_MINOR     0
  29#define MMSCH_VERSION   (MMSCH_VERSION_MAJOR << 16 | MMSCH_VERSION_MINOR)
  30
  31enum mmsch_v1_0_command_type {
  32        MMSCH_COMMAND__DIRECT_REG_WRITE = 0,
  33        MMSCH_COMMAND__DIRECT_REG_POLLING = 2,
  34        MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE = 3,
  35        MMSCH_COMMAND__INDIRECT_REG_WRITE = 8,
  36        MMSCH_COMMAND__END = 0xf
  37};
  38
  39struct mmsch_v1_0_init_header {
  40        uint32_t version;
  41        uint32_t header_size;
  42        uint32_t vce_init_status;
  43        uint32_t uvd_init_status;
  44        uint32_t vce_table_offset;
  45        uint32_t vce_table_size;
  46        uint32_t uvd_table_offset;
  47        uint32_t uvd_table_size;
  48};
  49
  50struct mmsch_v1_0_cmd_direct_reg_header {
  51        uint32_t reg_offset   : 28;
  52        uint32_t command_type : 4;
  53};
  54
  55struct mmsch_v1_0_cmd_indirect_reg_header {
  56        uint32_t reg_offset    : 20;
  57        uint32_t reg_idx_space : 8;
  58        uint32_t command_type  : 4;
  59};
  60
  61struct mmsch_v1_0_cmd_direct_write {
  62        struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
  63        uint32_t reg_value;
  64};
  65
  66struct mmsch_v1_0_cmd_direct_read_modify_write {
  67        struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
  68        uint32_t write_data;
  69        uint32_t mask_value;
  70};
  71
  72struct mmsch_v1_0_cmd_direct_polling {
  73        struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
  74        uint32_t mask_value;
  75        uint32_t wait_value;
  76};
  77
  78struct mmsch_v1_0_cmd_end {
  79        struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
  80};
  81
  82struct mmsch_v1_0_cmd_indirect_write {
  83        struct mmsch_v1_0_cmd_indirect_reg_header cmd_header;
  84        uint32_t reg_value;
  85};
  86
  87static inline void mmsch_v1_0_insert_direct_wt(struct mmsch_v1_0_cmd_direct_write *direct_wt,
  88                                               uint32_t *init_table,
  89                                               uint32_t reg_offset,
  90                                               uint32_t value)
  91{
  92        direct_wt->cmd_header.reg_offset = reg_offset;
  93        direct_wt->reg_value = value;
  94        memcpy((void *)init_table, direct_wt, sizeof(struct mmsch_v1_0_cmd_direct_write));
  95}
  96
  97static inline void mmsch_v1_0_insert_direct_rd_mod_wt(struct mmsch_v1_0_cmd_direct_read_modify_write *direct_rd_mod_wt,
  98                                                      uint32_t *init_table,
  99                                                      uint32_t reg_offset,
 100                                                      uint32_t mask, uint32_t data)
 101{
 102        direct_rd_mod_wt->cmd_header.reg_offset = reg_offset;
 103        direct_rd_mod_wt->mask_value = mask;
 104        direct_rd_mod_wt->write_data = data;
 105        memcpy((void *)init_table, direct_rd_mod_wt,
 106               sizeof(struct mmsch_v1_0_cmd_direct_read_modify_write));
 107}
 108
 109static inline void mmsch_v1_0_insert_direct_poll(struct mmsch_v1_0_cmd_direct_polling *direct_poll,
 110                                                 uint32_t *init_table,
 111                                                 uint32_t reg_offset,
 112                                                 uint32_t mask, uint32_t wait)
 113{
 114        direct_poll->cmd_header.reg_offset = reg_offset;
 115        direct_poll->mask_value = mask;
 116        direct_poll->wait_value = wait;
 117        memcpy((void *)init_table, direct_poll, sizeof(struct mmsch_v1_0_cmd_direct_polling));
 118}
 119
 120#define MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(reg, mask, data) { \
 121        mmsch_v1_0_insert_direct_rd_mod_wt(&direct_rd_mod_wt, \
 122                                           init_table, (reg), \
 123                                           (mask), (data)); \
 124        init_table += sizeof(struct mmsch_v1_0_cmd_direct_read_modify_write)/4; \
 125        table_size += sizeof(struct mmsch_v1_0_cmd_direct_read_modify_write)/4; \
 126}
 127
 128#define MMSCH_V1_0_INSERT_DIRECT_WT(reg, value) { \
 129        mmsch_v1_0_insert_direct_wt(&direct_wt, \
 130                                    init_table, (reg), \
 131                                    (value)); \
 132        init_table += sizeof(struct mmsch_v1_0_cmd_direct_write)/4; \
 133        table_size += sizeof(struct mmsch_v1_0_cmd_direct_write)/4; \
 134}
 135
 136#define MMSCH_V1_0_INSERT_DIRECT_POLL(reg, mask, wait) { \
 137        mmsch_v1_0_insert_direct_poll(&direct_poll, \
 138                                      init_table, (reg), \
 139                                      (mask), (wait)); \
 140        init_table += sizeof(struct mmsch_v1_0_cmd_direct_polling)/4; \
 141        table_size += sizeof(struct mmsch_v1_0_cmd_direct_polling)/4; \
 142}
 143
 144#endif
 145