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 *
 22 */
 23#ifndef _EVENT_MANAGER_H_
 24#define _EVENT_MANAGER_H_
 25
 26#include "power_state.h"
 27#include "pp_power_source.h"
 28#include "hardwaremanager.h"
 29#include "pp_asicblocks.h"
 30
 31struct pp_eventmgr;
 32enum amd_pp_event;
 33
 34enum PEM_EventDataValid {
 35	PEM_EventDataValid_RequestedStateID = 0,
 36	PEM_EventDataValid_RequestedUILabel,
 37	PEM_EventDataValid_NewPowerState,
 38	PEM_EventDataValid_RequestedPowerSource,
 39	PEM_EventDataValid_RequestedClocks,
 40	PEM_EventDataValid_CurrentTemperature,
 41	PEM_EventDataValid_AsicBlocks,
 42	PEM_EventDataValid_ODParameters,
 43	PEM_EventDataValid_PXAdapterPrefs,
 44	PEM_EventDataValid_PXUserPrefs,
 45	PEM_EventDataValid_PXSwitchReason,
 46	PEM_EventDataValid_PXSwitchPhase,
 47	PEM_EventDataValid_HdVideo,
 48	PEM_EventDataValid_BacklightLevel,
 49	PEM_EventDatavalid_VariBrightParams,
 50	PEM_EventDataValid_VariBrightLevel,
 51	PEM_EventDataValid_VariBrightImmediateChange,
 52	PEM_EventDataValid_PercentWhite,
 53	PEM_EventDataValid_SdVideo,
 54	PEM_EventDataValid_HTLinkChangeReason,
 55	PEM_EventDataValid_HWBlocks,
 56	PEM_EventDataValid_RequestedThermalState,
 57	PEM_EventDataValid_MvcVideo,
 58	PEM_EventDataValid_Max
 59};
 60
 61typedef enum PEM_EventDataValid PEM_EventDataValid;
 62
 63/* Number of bits in ULONG variable */
 64#define PEM_MAX_NUM_EVENTDATAVALID_BITS_PER_FIELD (sizeof(unsigned long)*8)
 65
 66/* Number of ULONG entries used by event data valid bits */
 67#define PEM_MAX_NUM_EVENTDATAVALID_ULONG_ENTRIES                                 \
 68		((PEM_EventDataValid_Max + PEM_MAX_NUM_EVENTDATAVALID_BITS_PER_FIELD - 1) /  \
 69		PEM_MAX_NUM_EVENTDATAVALID_BITS_PER_FIELD)
 70
 71static inline void pem_set_event_data_valid(unsigned long *fields, PEM_EventDataValid valid_field)
 72{
 73	fields[valid_field / PEM_MAX_NUM_EVENTDATAVALID_BITS_PER_FIELD] |=
 74		(1UL << (valid_field % PEM_MAX_NUM_EVENTDATAVALID_BITS_PER_FIELD));
 75}
 76
 77static inline void pem_unset_event_data_valid(unsigned long *fields, PEM_EventDataValid valid_field)
 78{
 79	fields[valid_field / PEM_MAX_NUM_EVENTDATAVALID_BITS_PER_FIELD] &=
 80		~(1UL << (valid_field % PEM_MAX_NUM_EVENTDATAVALID_BITS_PER_FIELD));
 81}
 82
 83static inline unsigned long pem_is_event_data_valid(const unsigned long *fields, PEM_EventDataValid valid_field)
 84{
 85	return fields[valid_field / PEM_MAX_NUM_EVENTDATAVALID_BITS_PER_FIELD] &
 86		(1UL << (valid_field % PEM_MAX_NUM_EVENTDATAVALID_BITS_PER_FIELD));
 87}
 88
 89struct pem_event_data {
 90	unsigned long	valid_fields[100];
 91	unsigned long   requested_state_id;
 92	enum PP_StateUILabel requested_ui_label;
 93	struct pp_power_state  *pnew_power_state;
 94	enum pp_power_source  requested_power_source;
 95	struct PP_Clocks       requested_clocks;
 96	bool         skip_state_adjust_rules;
 97	struct phm_asic_blocks  asic_blocks;
 98	/* to doPP_ThermalState requestedThermalState;
 99	enum ThermalStateRequestSrc requestThermalStateSrc;
100	PP_Temperature  currentTemperature;*/
101
102};
103
104int pem_handle_event(struct pp_eventmgr *eventmgr, enum amd_pp_event event,
105		     struct pem_event_data *event_data);
106
107bool pem_is_hw_access_blocked(struct pp_eventmgr *eventmgr);
108
109#endif /* _EVENT_MANAGER_H_ */