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processpptables.h revision 1.1 
      1 /*	$NetBSD: processpptables.h,v 1.1 2021/12/18 20:15:21 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2015 Advanced Micro Devices, Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  * Interface Functions related to the BIOS PowerPlay Tables.
     24  *
     25  */
     26 
     27 #ifndef PROCESSPPTABLES_H
     28 #define PROCESSPPTABLES_H
     29 
     30 struct pp_hwmgr;
     31 struct pp_power_state;
     32 struct pp_hw_power_state;
     33 
     34 extern const struct pp_table_func pptable_funcs;
     35 
     36 typedef int (*pp_tables_hw_clock_info_callback)(struct pp_hwmgr *hwmgr,
     37 						struct pp_hw_power_state *hw_ps,
     38 						unsigned int index,
     39 						const void *clock_info);
     40 
     41 int pp_tables_get_num_of_entries(struct pp_hwmgr *hwmgr,
     42 				 unsigned long *num_of_entries);
     43 
     44 int pp_tables_get_entry(struct pp_hwmgr *hwmgr,
     45 			unsigned long entry_index,
     46 			struct pp_power_state *ps,
     47 			pp_tables_hw_clock_info_callback func);
     48 
     49 int pp_tables_get_response_times(struct pp_hwmgr *hwmgr,
     50 				 uint32_t *vol_rep_time, uint32_t *bb_rep_time);
     51 
     52 #endif
     53