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   0x1
  28
  29 enum mmsch_v1_0_command_type {
  30         MMSCH_COMMAND__DIRECT_REG_WRITE = 0,
  31         MMSCH_COMMAND__DIRECT_REG_POLLING = 2,
  32         MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE = 3,
  33         MMSCH_COMMAND__INDIRECT_REG_WRITE = 8,
  34         MMSCH_COMMAND__END = 0xf
  35 };
  36
  37 struct mmsch_v1_0_init_header {
  38         uint32_t version;
  39         uint32_t header_size;
  40         uint32_t vce_init_status;
  41         uint32_t uvd_init_status;
  42         uint32_t vce_table_offset;
  43         uint32_t vce_table_size;
  44         uint32_t uvd_table_offset;
  45         uint32_t uvd_table_size;
  46 };
  47
  48 struct mmsch_vf_eng_init_header {
  49         uint32_t init_status;
  50         uint32_t table_offset;
  51         uint32_t table_size;
  52 };
  53
  54 struct mmsch_v1_1_init_header {
  55         uint32_t version;
  56         uint32_t total_size;
  57         struct mmsch_vf_eng_init_header eng[2];
  58 };
  59
  60 struct mmsch_v1_0_cmd_direct_reg_header {
  61         uint32_t reg_offset   : 28;
  62         uint32_t command_type : 4;
  63 };
  64
  65 struct mmsch_v1_0_cmd_indirect_reg_header {
  66         uint32_t reg_offset    : 20;
  67         uint32_t reg_idx_space : 8;
  68         uint32_t command_type  : 4;
  69 };
  70
  71 struct mmsch_v1_0_cmd_direct_write {
  72         struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
  73         uint32_t reg_value;
  74 };
  75
  76 struct mmsch_v1_0_cmd_direct_read_modify_write {
  77         struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
  78         uint32_t write_data;
  79         uint32_t mask_value;
  80 };
  81
  82 struct mmsch_v1_0_cmd_direct_polling {
  83         struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
  84         uint32_t mask_value;
  85         uint32_t wait_value;
  86 };
  87
  88 struct mmsch_v1_0_cmd_end {
  89         struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
  90 };
  91
  92 struct mmsch_v1_0_cmd_indirect_write {
  93         struct mmsch_v1_0_cmd_indirect_reg_header cmd_header;
  94         uint32_t reg_value;
  95 };
  96
  97 static inline void mmsch_v1_0_insert_direct_wt(struct mmsch_v1_0_cmd_direct_write *direct_wt,
  98                                                uint32_t *init_table,
  99                                                uint32_t reg_offset,
 100                                                uint32_t value)
 101 {
 102         direct_wt->cmd_header.reg_offset = reg_offset;
 103         direct_wt->reg_value = value;
 104         memcpy((void *)init_table, direct_wt, sizeof(struct mmsch_v1_0_cmd_direct_write));
 105 }
 106
 107 static inline void mmsch_v1_0_insert_direct_rd_mod_wt(struct mmsch_v1_0_cmd_direct_read_modify_write *direct_rd_mod_wt,
 108                                                       uint32_t *init_table,
 109                                                       uint32_t reg_offset,
 110                                                       uint32_t mask, uint32_t data)
 111 {
 112         direct_rd_mod_wt->cmd_header.reg_offset = reg_offset;
 113         direct_rd_mod_wt->mask_value = mask;
 114         direct_rd_mod_wt->write_data = data;
 115         memcpy((void *)init_table, direct_rd_mod_wt,
 116                sizeof(struct mmsch_v1_0_cmd_direct_read_modify_write));
 117 }
 118
 119 static inline void mmsch_v1_0_insert_direct_poll(struct mmsch_v1_0_cmd_direct_polling *direct_poll,
 120                                                  uint32_t *init_table,
 121                                                  uint32_t reg_offset,
 122                                                  uint32_t mask, uint32_t wait)
 123 {
 124         direct_poll->cmd_header.reg_offset = reg_offset;
 125         direct_poll->mask_value = mask;
 126         direct_poll->wait_value = wait;
 127         memcpy((void *)init_table, direct_poll, sizeof(struct mmsch_v1_0_cmd_direct_polling));
 128 }
 129
 130 #define MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(reg, mask, data) { \
 131         mmsch_v1_0_insert_direct_rd_mod_wt(&direct_rd_mod_wt, \
 132                                            init_table, (reg), \
 133                                            (mask), (data)); \
 134         init_table += sizeof(struct mmsch_v1_0_cmd_direct_read_modify_write)/4; \
 135         table_size += sizeof(struct mmsch_v1_0_cmd_direct_read_modify_write)/4; \
 136 }
 137
 138 #define MMSCH_V1_0_INSERT_DIRECT_WT(reg, value) { \
 139         mmsch_v1_0_insert_direct_wt(&direct_wt, \
 140                                     init_table, (reg), \
 141                                     (value)); \
 142         init_table += sizeof(struct mmsch_v1_0_cmd_direct_write)/4; \
 143         table_size += sizeof(struct mmsch_v1_0_cmd_direct_write)/4; \
 144 }
 145
 146 #define MMSCH_V1_0_INSERT_DIRECT_POLL(reg, mask, wait) { \
 147         mmsch_v1_0_insert_direct_poll(&direct_poll, \
 148                                       init_table, (reg), \
 149                                       (mask), (wait)); \
 150         init_table += sizeof(struct mmsch_v1_0_cmd_direct_polling)/4; \
 151         table_size += sizeof(struct mmsch_v1_0_cmd_direct_polling)/4; \
 152 }
 153
 154 #endif