drivers/gpu/drm/amd/display/dmub/inc/dmub_trace_buffer.h

   1 /*
   2  * Copyright 2019 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  * Authors: AMD
  23  *
  24  */
  25 #ifndef _DMUB_TRACE_BUFFER_H_
  26 #define _DMUB_TRACE_BUFFER_H_
  27
  28 #include "dmub_types.h"
  29
  30 #define LOAD_DMCU_FW    1
  31 #define LOAD_PHY_FW     2
  32
  33
  34 enum dmucb_trace_code {
  35         DMCUB__UNKNOWN,
  36         DMCUB__MAIN_BEGIN,
  37         DMCUB__PHY_INIT_BEGIN,
  38         DMCUB__PHY_FW_SRAM_LOAD_BEGIN,
  39         DMCUB__PHY_FW_SRAM_LOAD_END,
  40         DMCUB__PHY_INIT_POLL_DONE,
  41         DMCUB__PHY_INIT_END,
  42         DMCUB__DMCU_ERAM_LOAD_BEGIN,
  43         DMCUB__DMCU_ERAM_LOAD_END,
  44         DMCUB__DMCU_ISR_LOAD_BEGIN,
  45         DMCUB__DMCU_ISR_LOAD_END,
  46         DMCUB__MAIN_IDLE,
  47         DMCUB__PERF_TRACE,
  48         DMCUB__PG_DONE,
  49 };
  50
  51 struct dmcub_trace_buf_entry {
  52         enum dmucb_trace_code trace_code;
  53         uint32_t tick_count;
  54         uint32_t param0;
  55         uint32_t param1;
  56 };
  57
  58 #define TRACE_BUF_SIZE (1024) //1 kB
  59 #define PERF_TRACE_MAX_ENTRY ((TRACE_BUF_SIZE - 8)/sizeof(struct dmcub_trace_buf_entry))
  60
  61
  62 struct dmcub_trace_buf {
  63         uint32_t entry_count;
  64         uint32_t clk_freq;
  65         struct dmcub_trace_buf_entry entries[PERF_TRACE_MAX_ENTRY];
  66 };
  67
  68
  69 #endif /* _DMUB_TRACE_BUFFER_H_ */