drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.h

   1 /*
   2  * Copyright 2015 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  * Interface Functions related to the BIOS PowerPlay Tables.
  22  *
  23  */
  24
  25 #ifndef PROCESSPPTABLES_H
  26 #define PROCESSPPTABLES_H
  27
  28 struct pp_hwmgr;
  29 struct pp_power_state;
  30 struct pp_hw_power_state;
  31
  32 extern const struct pp_table_func pptable_funcs;
  33
  34 typedef int (*pp_tables_hw_clock_info_callback)(struct pp_hwmgr *hwmgr,
  35                                                 struct pp_hw_power_state *hw_ps,
  36                                                 unsigned int index,
  37                                                 const void *clock_info);
  38
  39 int pp_tables_get_num_of_entries(struct pp_hwmgr *hwmgr,
  40                                  unsigned long *num_of_entries);
  41
  42 int pp_tables_get_entry(struct pp_hwmgr *hwmgr,
  43                         unsigned long entry_index,
  44                         struct pp_power_state *ps,
  45                         pp_tables_hw_clock_info_callback func);
  46
  47 int pp_tables_get_response_times(struct pp_hwmgr *hwmgr,
  48                                  uint32_t *vol_rep_time, uint32_t *bb_rep_time);
  49
  50 #endif