drivers/gpu/drm/amd/amdgpu/mmsch_v1_0.h

   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
  31 enum 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
  39 struct 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
  50 struct mmsch_vf_eng_init_header {
  51         uint32_t init_status;
  52         uint32_t table_offset;
  53         uint32_t table_size;
  54 };
  55
  56 struct mmsch_v1_1_init_header {
  57         uint32_t version;
  58         uint32_t total_size;
  59         struct mmsch_vf_eng_init_header eng[2];
  60 };
  61
  62 struct mmsch_v1_0_cmd_direct_reg_header {
  63         uint32_t reg_offset   : 28;
  64         uint32_t command_type : 4;
  65 };
  66
  67 struct mmsch_v1_0_cmd_indirect_reg_header {
  68         uint32_t reg_offset    : 20;
  69         uint32_t reg_idx_space : 8;
  70         uint32_t command_type  : 4;
  71 };
  72
  73 struct mmsch_v1_0_cmd_direct_write {
  74         struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
  75         uint32_t reg_value;
  76 };
  77
  78 struct mmsch_v1_0_cmd_direct_read_modify_write {
  79         struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
  80         uint32_t write_data;
  81         uint32_t mask_value;
  82 };
  83
  84 struct mmsch_v1_0_cmd_direct_polling {
  85         struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
  86         uint32_t mask_value;
  87         uint32_t wait_value;
  88 };
  89
  90 struct mmsch_v1_0_cmd_end {
  91         struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
  92 };
  93
  94 struct mmsch_v1_0_cmd_indirect_write {
  95         struct mmsch_v1_0_cmd_indirect_reg_header cmd_header;
  96         uint32_t reg_value;
  97 };
  98
  99 static inline void mmsch_v1_0_insert_direct_wt(struct mmsch_v1_0_cmd_direct_write *direct_wt,
 100                                                uint32_t *init_table,
 101                                                uint32_t reg_offset,
 102                                                uint32_t value)
 103 {
 104         direct_wt->cmd_header.reg_offset = reg_offset;
 105         direct_wt->reg_value = value;
 106         memcpy((void *)init_table, direct_wt, sizeof(struct mmsch_v1_0_cmd_direct_write));
 107 }
 108
 109 static inline void mmsch_v1_0_insert_direct_rd_mod_wt(struct mmsch_v1_0_cmd_direct_read_modify_write *direct_rd_mod_wt,
 110                                                       uint32_t *init_table,
 111                                                       uint32_t reg_offset,
 112                                                       uint32_t mask, uint32_t data)
 113 {
 114         direct_rd_mod_wt->cmd_header.reg_offset = reg_offset;
 115         direct_rd_mod_wt->mask_value = mask;
 116         direct_rd_mod_wt->write_data = data;
 117         memcpy((void *)init_table, direct_rd_mod_wt,
 118                sizeof(struct mmsch_v1_0_cmd_direct_read_modify_write));
 119 }
 120
 121 static inline void mmsch_v1_0_insert_direct_poll(struct mmsch_v1_0_cmd_direct_polling *direct_poll,
 122                                                  uint32_t *init_table,
 123                                                  uint32_t reg_offset,
 124                                                  uint32_t mask, uint32_t wait)
 125 {
 126         direct_poll->cmd_header.reg_offset = reg_offset;
 127         direct_poll->mask_value = mask;
 128         direct_poll->wait_value = wait;
 129         memcpy((void *)init_table, direct_poll, sizeof(struct mmsch_v1_0_cmd_direct_polling));
 130 }
 131
 132 #define MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(reg, mask, data) { \
 133         mmsch_v1_0_insert_direct_rd_mod_wt(&direct_rd_mod_wt, \
 134                                            init_table, (reg), \
 135                                            (mask), (data)); \
 136         init_table += sizeof(struct mmsch_v1_0_cmd_direct_read_modify_write)/4; \
 137         table_size += sizeof(struct mmsch_v1_0_cmd_direct_read_modify_write)/4; \
 138 }
 139
 140 #define MMSCH_V1_0_INSERT_DIRECT_WT(reg, value) { \
 141         mmsch_v1_0_insert_direct_wt(&direct_wt, \
 142                                     init_table, (reg), \
 143                                     (value)); \
 144         init_table += sizeof(struct mmsch_v1_0_cmd_direct_write)/4; \
 145         table_size += sizeof(struct mmsch_v1_0_cmd_direct_write)/4; \
 146 }
 147
 148 #define MMSCH_V1_0_INSERT_DIRECT_POLL(reg, mask, wait) { \
 149         mmsch_v1_0_insert_direct_poll(&direct_poll, \
 150                                       init_table, (reg), \
 151                                       (mask), (wait)); \
 152         init_table += sizeof(struct mmsch_v1_0_cmd_direct_polling)/4; \
 153         table_size += sizeof(struct mmsch_v1_0_cmd_direct_polling)/4; \
 154 }
 155
 156 #endif