IODisplayWrangler.h [plain text]
#ifndef _IOKIT_IODISPLAYWRANGLER_H
#define _IOKIT_IODISPLAYWRANGLER_H
#include <IOKit/IOService.h>
#define IOFRAMEBUFFER_PRIVATE
#include <IOKit/graphics/IOFramebuffer.h>
#include <IOKit/graphics/IODisplay.h>
class IODisplayWrangler : public IOService
{
OSDeclareDefaultStructors( IODisplayWrangler );
private:
bool fOpen;
IOLock * fMatchingLock;
OSSet * fFramebuffers;
OSSet * fDisplays;
UInt32 fMinutesToDim;
bool fDimCaptured;
AbsoluteTime fIdleUntil;
struct annoyance_event_t
{
UInt64 dim_time_secs;
UInt64 wake_time_secs;
UInt32 penalty;
};
struct annoyance_cap_t
{
UInt32 cutoff_time_secs;
int cutoff_points;
};
struct annoyance_penalty_t
{
UInt32 time_secs;
int penalty_points;
};
UInt64 fLastWakeTime_secs;
UInt64 fLastDimTime_secs;
int fAnnoyanceEventArrayLength;
annoyance_event_t * fAnnoyanceEventArray;
int fAnnoyanceEventArrayQHead;
int fAnnoyanceCapsArrayLength;
annoyance_cap_t * fAnnoyanceCapsArray;
int fAnnoyancePenaltiesArrayLength;
annoyance_penalty_t * fAnnoyancePenaltiesArray;
UInt32 fIdleTimeoutMin;
UInt32 fIdleTimeoutMax;
private:
virtual void initForPM( void );
virtual IOReturn setAggressiveness( unsigned long, unsigned long );
virtual bool activityTickle( unsigned long, unsigned long );
virtual IOReturn setPowerState( unsigned long powerStateOrdinal, IOService* whatDevice );
virtual unsigned long initialPowerStateForDomainState( IOPMPowerFlags domainState );
virtual void makeDisplaysUsable( void );
virtual void idleDisplays( void );
static bool _displayHandler( void * target, void * ref,
IOService * newService, IONotifier * notifier );
static bool _displayConnectHandler( void * target, void * ref,
IOService * newService, IONotifier * notifier );
virtual bool displayHandler( OSSet * set, IODisplay * newDisplay);
virtual bool displayConnectHandler( void * ref, IODisplayConnect * connect);
virtual IODisplayConnect * getDisplayConnect(
IOFramebuffer * fb, IOIndex connect );
virtual IOReturn getConnectFlagsForDisplayMode(
IODisplayConnect * connect,
IODisplayModeID mode, UInt32 * flags );
public:
static bool serverStart(void);
virtual bool start(IOService * provider);
static bool makeDisplayConnects( IOFramebuffer * fb );
static void destroyDisplayConnects( IOFramebuffer * fb );
virtual OSObject * copyProperty( const char * aKey) const;
static IOReturn getFlagsForDisplayMode(
IOFramebuffer * fb,
IODisplayModeID mode, UInt32 * flags );
virtual UInt32 calculate_idle_timer_period(int powerState);
virtual void record_if_annoyance();
virtual UInt32 calculate_penalty( UInt32 time_between_dim_and_wake_secs );
virtual UInt64 calculate_latest_veto_till_time( UInt64 current_time_ns );
virtual UInt64 calculate_earliest_time_idle_timeout_allowed(
UInt64 current_time_ns, UInt64 last_activity_secs, int powerState );
virtual SInt32 nextIdleTimeout(AbsoluteTime currentTime,
AbsoluteTime lastActivity, unsigned int powerState);
private:
void enqueueAnnoyance( UInt64 dim_time_secs, UInt64 wake_time_secs, UInt32 penalty );
annoyance_event_t * getNthAnnoyance( int i );
static UInt32 staticAnnoyanceEventArrayLength;
static annoyance_event_t staticAnnoyanceEventArray[];
static UInt32 staticAnnoyanceCapsArrayLength;
static annoyance_cap_t staticAnnoyanceCapsArray[];
static UInt32 staticAnnoyancePenaltiesArrayLength;
static annoyance_penalty_t staticAnnoyancePenaltiesArray[];
public:
virtual IOReturn setProperties( OSObject * properties );
};
void IODisplayUpdateNVRAM( IOService * entry, OSData * property );
#endif