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_v1_0_cmd_direct_reg_header {
  51         uint32_t reg_offset   : 28;
  52         uint32_t command_type : 4;
  53 };
  54
  55 struct 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
  61 struct mmsch_v1_0_cmd_direct_write {
  62         struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
  63         uint32_t reg_value;
  64 };
  65
  66 struct 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
  72 struct 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
  78 struct mmsch_v1_0_cmd_end {
  79         struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
  80 };
  81
  82 struct mmsch_v1_0_cmd_indirect_write {
  83         struct mmsch_v1_0_cmd_indirect_reg_header cmd_header;
  84         uint32_t reg_value;
  85 };
  86
  87 static 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
  97 static 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
 109 static 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