#include <hdlcd.hh>

Inheritance diagram for HDLcd:

Classes
class	DmaEngine

class	PixelPump

Public Member Functions
	HDLcd (const HDLcdParams *p)

	~HDLcd ()

void	regStats () override
	Register statistics for this object. More...

void	serialize (CheckpointOut &cp) const override
	Serialize an object. More...

void	unserialize (CheckpointIn &cp) override
	Unserialize an object. More...

void	drainResume () override
	Resume execution after a successful drain. More...

Tick	read (PacketPtr pkt) override
	Pure virtual function that the device must implement. More...

Tick	write (PacketPtr pkt) override
	Pure virtual function that the device must implement. More...

AddrRangeList	getAddrRanges () const override
	Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to. More...

bool	pxlNext (Pixel &p)

void	pxlVSyncBegin ()

void	pxlVSyncEnd ()

void	pxlUnderrun ()

void	pxlFrameDone ()

Public Member Functions inherited from AmbaDmaDevice
	AmbaDmaDevice (const Params *p, Addr pio_size=0)

Public Member Functions inherited from DmaDevice
	DmaDevice (const Params *p)

virtual	~DmaDevice ()

void	dmaWrite (Addr addr, int size, Event event, uint8_t data, Tick delay=0)

void	dmaRead (Addr addr, int size, Event event, uint8_t data, Tick delay=0)

bool	dmaPending () const

void	init () override
	init() is called after all C++ SimObjects have been created and all ports are connected. More...

unsigned int	cacheBlockSize () const

BaseMasterPort &	getMasterPort (const std::string &if_name, PortID idx=InvalidPortID) override
	Get a master port with a given name and index. More...

Public Member Functions inherited from PioDevice
	PioDevice (const Params *p)

virtual	~PioDevice ()

const Params *	params () const

virtual BaseSlavePort &	getSlavePort (const std::string &if_name, PortID idx=InvalidPortID)
	Get a slave port with a given name and index. More...

Public Member Functions inherited from MemObject
const Params *	params () const

	MemObject (const Params *params)

Public Member Functions inherited from ClockedObject
	ClockedObject (const ClockedObjectParams *p)

const Params *	params () const

void	serialize (CheckpointOut &cp) const override
	Serialize an object. More...

void	unserialize (CheckpointIn &cp) override
	Unserialize an object. More...

Enums::PwrState	pwrState () const

std::string	pwrStateName () const

std::vector< double >	pwrStateWeights () const
	Returns the percentage residency for each power state. More...

void	computeStats ()
	Record stats values like state residency by computing the time difference from previous update. More...

void	pwrState (Enums::PwrState)

void	regStats () override
	Register statistics for this object. More...

Public Member Functions inherited from SimObject
const Params *	params () const

	SimObject (const Params *_params)

virtual	~SimObject ()

virtual const std::string	name () const

virtual void	loadState (CheckpointIn &cp)
	loadState() is called on each SimObject when restoring from a checkpoint. More...

virtual void	initState ()
	initState() is called on each SimObject when not restoring from a checkpoint. More...

virtual void	resetStats ()
	Reset statistics associated with this object. More...

virtual void	regProbePoints ()
	Register probe points for this object. More...

virtual void	regProbeListeners ()
	Register probe listeners for this object. More...

ProbeManager *	getProbeManager ()
	Get the probe manager for this object. More...

virtual void	startup ()
	startup() is the final initialization call before simulation. More...

DrainState	drain () override
	Provide a default implementation of the drain interface for objects that don't need draining. More...

virtual void	memWriteback ()
	Write back dirty buffers to memory using functional writes. More...

virtual void	memInvalidate ()
	Invalidate the contents of memory buffers. More...

void	serialize (CheckpointOut &cp) const override
	Serialize an object. More...

void	unserialize (CheckpointIn &cp) override
	Unserialize an object. More...

Public Member Functions inherited from EventManager
	EventManager (EventManager &em)

	EventManager (EventManager *em)

	EventManager (EventQueue *eq)

EventQueue *	eventQueue () const

void	schedule (Event &event, Tick when)

void	deschedule (Event &event)

void	reschedule (Event &event, Tick when, bool always=false)

void	schedule (Event *event, Tick when)

void	deschedule (Event *event)

void	reschedule (Event *event, Tick when, bool always=false)

void	wakeupEventQueue (Tick when=(Tick)-1)

void	setCurTick (Tick newVal)

Public Member Functions inherited from Serializable
	Serializable ()

virtual	~Serializable ()

void	serializeSection (CheckpointOut &cp, const char *name) const
	Serialize an object into a new section. More...

void	serializeSection (CheckpointOut &cp, const std::string &name) const

void	unserializeSection (CheckpointIn &cp, const char *name)
	Unserialize an a child object. More...

void	unserializeSection (CheckpointIn &cp, const std::string &name)

Public Member Functions inherited from Drainable
DrainState	drainState () const
	Return the current drain state of an object. More...

virtual void	notifyFork ()
	Notify a child process of a fork. More...

Public Member Functions inherited from Clocked
void	updateClockPeriod () const
	Update the tick to the current tick. More...

Tick	clockEdge (Cycles cycles=Cycles(0)) const
	Determine the tick when a cycle begins, by default the current one, but the argument also enables the caller to determine a future cycle. More...

Cycles	curCycle () const
	Determine the current cycle, corresponding to a tick aligned to a clock edge. More...

Tick	nextCycle () const
	Based on the clock of the object, determine the start tick of the first cycle that is at least one cycle in the future. More...

uint64_t	frequency () const

Tick	clockPeriod () const

double	voltage () const

Cycles	ticksToCycles (Tick t) const

Tick	cyclesToTicks (Cycles c) const

Protected Types
enum	RegisterOffset { Version = 0x0000, Int_RawStat = 0x0010, Int_Clear = 0x0014, Int_Mask = 0x0018, Int_Status = 0x001C, Fb_Base = 0x0100, Fb_Line_Length = 0x0104, Fb_Line_Count = 0x0108, Fb_Line_Pitch = 0x010C, Bus_Options = 0x0110, V_Sync = 0x0200, V_Back_Porch = 0x0204, V_Data = 0x0208, V_Front_Porch = 0x020C, H_Sync = 0x0210, H_Back_Porch = 0x0214, H_Data = 0x0218, H_Front_Porch = 0x021C, Polarities = 0x0220, Command = 0x0230, Pixel_Format = 0x0240, Red_Select = 0x0244, Green_Select = 0x0248, Blue_Select = 0x024C }
	ARM HDLcd register offsets. More...

Protected Member Functions
uint32_t	readReg (Addr offset)

void	writeReg (Addr offset, uint32_t value)

PixelConverter	pixelConverter () const

DisplayTimings	displayTimings () const

void	createDmaEngine ()

void	cmdEnable ()

void	cmdDisable ()

bool	enabled () const

void	setInterrupts (uint32_t ints, uint32_t mask)
	Assign new interrupt values and update interrupt signals. More...

void	intMask (uint32_t mask)
	Convenience function to update the interrupt mask. More...

void	intRaise (uint32_t ints)
	Convenience function to raise a new interrupt. More...

void	intClear (uint32_t ints)
	Convenience function to clear interrupts. More...

uint32_t	intStatus () const
	Masked interrupt status register. More...

void	virtRefresh ()
	Handler for fast frame refresh in KVM-mode. More...

Protected Member Functions inherited from Drainable
	Drainable ()

virtual	~Drainable ()

void	signalDrainDone () const
	Signal that an object is drained. More...

Protected Member Functions inherited from Clocked
	Clocked (ClockDomain &clk_domain)
	Create a clocked object and set the clock domain based on the parameters. More...

	Clocked (Clocked &)=delete

Clocked &	operator= (Clocked &)=delete

virtual	~Clocked ()
	Virtual destructor due to inheritance. More...

void	resetClock () const
	Reset the object's clock using the current global tick value. More...

Protected Member Functions inherited from AmbaDevice
bool	readId (PacketPtr pkt, uint64_t amba_id, Addr pio_addr)

Protected Attributes
VncInput *	vnc

const bool	workaroundSwapRB

const bool	workaroundDmaLineCount

const AddrRangeList	addrRanges

const bool	enableCapture

const Addr	pixelBufferSize

const Tick	virtRefreshRate

EventWrapper< HDLcd,&HDLcd::virtRefresh >	virtRefreshEvent

Bitmap	bmp
	Helper to write out bitmaps. More...

OutputStream *	pic
	Picture of what the current frame buffer looks like. More...

PixelConverter	conv
	Cached pixel converter, set when the converter is enabled. More...

PixelPump	pixelPump

std::unique_ptr< DmaEngine >	dmaEngine

struct {
Stats::Scalar underruns

}	stats

HDLCDRegisters
HDLCD register contents.
uint32_t	int_rawstat
	Interrupt raw status register. More...

uint32_t	int_mask
	Interrupt mask register. More...

uint32_t	fb_base
	Frame buffer base address register. More...

uint32_t	fb_line_length
	Frame buffer Line length register. More...

FbLineCountReg	fb_line_count
	Frame buffer Line count register. More...

int32_t	fb_line_pitch
	Frame buffer Line pitch register. More...

BusOptsReg	bus_options
	Bus options register. More...

TimingReg	v_sync
	Vertical sync width register. More...

TimingReg	v_back_porch
	Vertical back porch width register. More...

TimingReg	v_data
	Vertical data width register. More...

TimingReg	v_front_porch
	Vertical front porch width register. More...

TimingReg	h_sync
	Horizontal sync width register. More...

TimingReg	h_back_porch
	Horizontal back porch width register. More...

TimingReg	h_data
	Horizontal data width register. More...

TimingReg	h_front_porch
	Horizontal front porch width reg. More...

PolaritiesReg	polarities
	Polarities register. More...

CommandReg	command
	Command register. More...

PixelFormatReg	pixel_format
	Pixel format register. More...

ColorSelectReg	red_select
	Red color select register. More...

ColorSelectReg	green_select
	Green color select register. More...

ColorSelectReg	blue_select
	Blue color select register. More...

Protected Attributes inherited from AmbaDmaDevice
uint64_t	ambaId

Addr	pioAddr

Addr	pioSize

Tick	pioDelay

int	intNum

BaseGic *	gic

Protected Attributes inherited from DmaDevice
DmaPort	dmaPort

Protected Attributes inherited from PioDevice
System *	sys

PioPort	pioPort
	The pioPort that handles the requests for us and provides us requests that it sees. More...

Protected Attributes inherited from ClockedObject
Enums::PwrState	_currPwrState
	To keep track of the current power state. More...

Tick	prvEvalTick

Stats::Scalar	numPwrStateTransitions

Stats::Distribution	pwrStateClkGateDist

Stats::Vector	pwrStateResidencyTicks

Protected Attributes inherited from SimObject
const SimObjectParams *	_params
	Cached copy of the object parameters. More...

Protected Attributes inherited from EventManager
EventQueue *	eventq
	A pointer to this object's event queue. More...

Static Protected Attributes
static constexpr size_t	BUS_OPTIONS_RESETV = 0x408
	Reset value for Bus_Options register. More...

static constexpr size_t	VERSION_RESETV = 0x1CDC0000
	Reset value for Version register. More...

static constexpr size_t	AXI_PORT_WIDTH = 8
	AXI port width in bytes. More...

static constexpr size_t	MAX_BURST_LEN = 16
	max number of beats delivered in one dma burst More...

static constexpr size_t	MAX_PIXEL_SIZE = 4
	Maximum number of bytes per pixel. More...

Static Protected Attributes inherited from AmbaDevice
static const int	AMBA_PER_ID0 = 0xFE0

static const int	AMBA_PER_ID1 = 0xFE4

static const int	AMBA_PER_ID2 = 0xFE8

static const int	AMBA_PER_ID3 = 0xFEC

static const int	AMBA_CEL_ID0 = 0xFF0

static const int	AMBA_CEL_ID1 = 0xFF4

static const int	AMBA_CEL_ID2 = 0xFF8

static const int	AMBA_CEL_ID3 = 0xFFC

RegisterFieldLayouts
Bit layout declarations for multi-field registers.
	version_minor

Bitfield< 15, 8 >	version_major

Bitfield< 31, 16 >	product_id

	fb_line_count

Bitfield< 31, 12 >	reserved_31_12

	burst_len

Bitfield< 7, 5 >	reserved_7_5

Bitfield< 11, 8 >	max_outstanding

	val

Bitfield< 1 >	hsync_polarity

Bitfield< 2 >	dataen_polarity

Bitfield< 3 >	data_polarity

Bitfield< 4 >	pxlclk_polarity

Bitfield< 31, 5 >	reserved_31_5

Bitfield< 31, 1 >	reserved_31_1

	reserved_2_0

Bitfield< 4, 3 >	bytes_per_pixel

Bitfield< 30, 5 >	reserved_30_5

Bitfield< 31 >	big_endian

	offset

Bitfield< 11, 8 >	size

Bitfield< 15, 12 >	reserved_15_12

Bitfield< 23, 16 >	default_color

Bitfield< 31, 24 >	reserved_31_24

static constexpr uint32_t	INT_BUS_ERROR = (1UL << 1)

static constexpr uint32_t	INT_VSYNC = (1UL << 2)

static constexpr uint32_t	INT_UNDERRUN = (1UL << 3)

	BitUnion32 (VersionReg) Bitfield<7

	EndBitUnion (VersionReg) static const expr uint32_t INT_DMA_END

	BitUnion32 (FbLineCountReg) Bitfield< 11

	EndBitUnion (FbLineCountReg) BitUnion32(BusOptsReg) Bitfield<4

	EndBitUnion (BusOptsReg) BitUnion32(TimingReg) Bitfield< 11

	EndBitUnion (TimingReg) BitUnion32(PolaritiesReg) Bitfield< 0 > vsync_polarity

	EndBitUnion (PolaritiesReg) BitUnion32(CommandReg) Bitfield< 0 > enable

	EndBitUnion (CommandReg) BitUnion32(PixelFormatReg) Bitfield<2

	EndBitUnion (PixelFormatReg) BitUnion32(ColorSelectReg) Bitfield<4

Additional Inherited Members
Public Types inherited from AmbaDmaDevice
typedef AmbaDmaDeviceParams	Params

Public Types inherited from DmaDevice
typedef DmaDeviceParams	Params

Public Types inherited from PioDevice
typedef PioDeviceParams	Params

Public Types inherited from MemObject
typedef MemObjectParams	Params

Public Types inherited from ClockedObject
typedef ClockedObjectParams	Params
	Parameters of ClockedObject. More...

Public Types inherited from SimObject
typedef SimObjectParams	Params

Static Public Member Functions inherited from SimObject
static void	serializeAll (CheckpointOut &cp)
	Serialize all SimObjects in the system. More...

static SimObject *	find (const char *name)
	Find the SimObject with the given name and return a pointer to it. More...

Static Public Member Functions inherited from Serializable
static const std::string &	currentSection ()
	Get the fully-qualified name of the active section. More...

static void	serializeAll (const std::string &cpt_dir)

static void	unserializeGlobals (CheckpointIn &cp)

Static Public Attributes inherited from Serializable
static int	ckptCount = 0

static int	ckptMaxCount = 0

static int	ckptPrevCount = -1

Detailed Description

Definition at line 93 of file hdlcd.hh.

Member Enumeration Documentation

enum HDLcd::RegisterOffset

protected

ARM HDLcd register offsets.

Enumerator
Version
Int_RawStat
Int_Clear
Int_Mask
Int_Status
Fb_Base
Fb_Line_Length
Fb_Line_Count
Fb_Line_Pitch
Bus_Options
V_Sync
V_Back_Porch
V_Data
V_Front_Porch
H_Sync
H_Back_Porch
H_Data
H_Front_Porch
Polarities
Command
Pixel_Format
Red_Select
Green_Select
Blue_Select

Definition at line 123 of file hdlcd.hh.

Constructor & Destructor Documentation

HDLcd::HDLcd ( const HDLcdParams * p )

Definition at line 59 of file hdlcd.cc.

References AmbaDmaDevice::pioAddr, AmbaDmaDevice::pioSize, and RangeSize().

HDLcd::~HDLcd ( )

Definition at line 95 of file hdlcd.cc.

Member Function Documentation

HDLcd::BitUnion32 ( VersionReg )

protected

HDLcd::BitUnion32 ( FbLineCountReg )

protected

void HDLcd::cmdDisable ( )

protected

Definition at line 509 of file hdlcd.cc.

References System::bypassCaches(), EventManager::deschedule(), dmaEngine, pixelPump, Event::scheduled(), BasePixelPump::stop(), PioDevice::sys, and virtRefreshEvent.

Referenced by drainResume(), and writeReg().

void HDLcd::cmdEnable ( )

protected

Definition at line 493 of file hdlcd.cc.

References System::bypassCaches(), Clocked::clockEdge(), conv, createDmaEngine(), displayTimings(), pixelConverter(), pixelPump, EventManager::schedule(), BasePixelPump::start(), PioDevice::sys, BasePixelPump::updateTimings(), and virtRefreshEvent.

Referenced by drainResume(), and writeReg().

void HDLcd::createDmaEngine ( )

protected

Definition at line 466 of file hdlcd.cc.

References AXI_PORT_WIDTH, bus_options, dmaEngine, fb_line_count, fb_line_length, fb_line_pitch, findMsbSet(), MAX_BURST_LEN, pixelBufferSize, warn, and workaroundDmaLineCount.

Referenced by cmdEnable(), and unserialize().

DisplayTimings HDLcd::displayTimings ( ) const

protected

Definition at line 457 of file hdlcd.cc.

References h_back_porch, h_data, h_front_porch, h_sync, v_back_porch, v_data, v_front_porch, and v_sync.

Referenced by cmdEnable().

void HDLcd::drainResume ( )

overridevirtual

Resume execution after a successful drain.

Reimplemented from Drainable.

Definition at line 202 of file hdlcd.cc.

References BasePixelPump::active(), System::bypassCaches(), cmdDisable(), cmdEnable(), Drainable::drainResume(), enabled(), pixelPump, VncInput::setDirty(), PioDevice::sys, and vnc.

bool HDLcd::enabled ( ) const

inlineprotected

Definition at line 269 of file hdlcd.hh.

Referenced by drainResume(), serialize(), and unserialize().

HDLcd::EndBitUnion ( VersionReg ) const

protected

HDLcd::EndBitUnion ( FbLineCountReg )

protected

HDLcd::EndBitUnion ( BusOptsReg )

protected

HDLcd::EndBitUnion ( TimingReg )

protected

HDLcd::EndBitUnion ( PolaritiesReg )

protected

HDLcd::EndBitUnion ( CommandReg )

protected

HDLcd::EndBitUnion ( PixelFormatReg )

protected

AddrRangeList HDLcd::getAddrRanges ( ) const

inlineoverridevirtual

Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to.

Returns: a list of non-overlapping address ranges

Implements PioDevice.

Definition at line 110 of file hdlcd.hh.

References addrRanges.

void HDLcd::intClear ( uint32_t ints )

inlineprotected

Convenience function to clear interrupts.

See Also: setInterrupts

Parameters

ints	Set of interrupts to clear

Definition at line 316 of file hdlcd.hh.

References int_mask, int_rawstat, and setInterrupts().

Referenced by writeReg().

void HDLcd::intMask ( uint32_t mask )

inlineprotected

Convenience function to update the interrupt mask.

See Also: setInterrupts

Parameters

mask	New interrupt mask

Definition at line 298 of file hdlcd.hh.

References int_rawstat, and setInterrupts().

Referenced by writeReg().

void HDLcd::intRaise ( uint32_t ints )

inlineprotected

Convenience function to raise a new interrupt.

See Also: setInterrupts

Parameters

ints	Set of interrupts to raise

Definition at line 306 of file hdlcd.hh.

References int_mask, int_rawstat, and setInterrupts().

Referenced by pxlUnderrun(), pxlVSyncBegin(), and writeReg().

uint32_t HDLcd::intStatus ( ) const

inlineprotected

Masked interrupt status register.

Definition at line 321 of file hdlcd.hh.

References int_mask, and int_rawstat.

Referenced by readReg(), and setInterrupts().

PixelConverter HDLcd::pixelConverter ( ) const

protected

Definition at line 434 of file hdlcd.cc.

References BigEndianByteOrder, blue_select, green_select, LittleEndianByteOrder, pixel_format, red_select, and workaroundSwapRB.

Referenced by cmdEnable(), and unserialize().

void HDLcd::pxlFrameDone ( )

Definition at line 557 of file hdlcd.cc.

References bmp, OutputDirectory::create(), csprintf(), dmaEngine, DPRINTF, HDLcd::PixelPump::dumpSettings(), enableCapture, SimObject::name(), pic, pixelPump, VncInput::setDirty(), simout, OutputStream::stream(), PioDevice::sys, vnc, warn, and Bitmap::write().

Referenced by HDLcd::PixelPump::onFrameDone().

bool HDLcd::pxlNext ( Pixel & p )

Definition at line 521 of file hdlcd.cc.

References conv, dmaEngine, PixelConverter::length, MAX_PIXEL_SIZE, and PixelConverter::toPixel().

Referenced by HDLcd::PixelPump::nextPixel().

void HDLcd::pxlUnderrun ( )

Definition at line 548 of file hdlcd.cc.

References dmaEngine, DPRINTF, INT_UNDERRUN, intRaise(), and stats.

Referenced by HDLcd::PixelPump::onUnderrun().

void HDLcd::pxlVSyncBegin ( )

Definition at line 534 of file hdlcd.cc.

References DPRINTF, INT_VSYNC, and intRaise().

Referenced by HDLcd::PixelPump::onVSyncBegin().

void HDLcd::pxlVSyncEnd ( )

Definition at line 541 of file hdlcd.cc.

References dmaEngine, DPRINTF, and fb_base.

Referenced by HDLcd::PixelPump::onVSyncEnd().

Tick HDLcd::read ( PacketPtr pkt )

overridevirtual

Pure virtual function that the device must implement.

Called when a read command is recieved by the port.

Parameters

pkt	Packet describing this request

Returns: number of ticks it took to complete

Implements PioDevice.

Definition at line 235 of file hdlcd.cc.

References data, DPRINTF, Packet::getAddr(), Packet::getSize(), Packet::makeAtomicResponse(), panic_if(), AmbaDmaDevice::pioAddr, AmbaDmaDevice::pioDelay, AmbaDmaDevice::pioSize, readReg(), and Packet::set().

uint32_t HDLcd::readReg ( Addr offset )

protected

Definition at line 274 of file hdlcd.cc.

References Blue_Select, blue_select, Bus_Options, bus_options, Command, command, Fb_Base, fb_base, Fb_Line_Count, fb_line_count, Fb_Line_Length, fb_line_length, Fb_Line_Pitch, fb_line_pitch, Green_Select, green_select, H_Back_Porch, h_back_porch, H_Data, h_data, H_Front_Porch, h_front_porch, H_Sync, h_sync, Int_Clear, Int_Mask, int_mask, Int_RawStat, int_rawstat, Int_Status, intStatus(), panic, Pixel_Format, pixel_format, Polarities, polarities, Red_Select, red_select, V_Back_Porch, v_back_porch, V_Data, v_data, V_Front_Porch, v_front_porch, V_Sync, v_sync, and Version.

Referenced by read().

void HDLcd::regStats ( )

overridevirtual

Register statistics for this object.

Reimplemented from SimObject.

Definition at line 100 of file hdlcd.cc.

References SimObject::name(), Stats::nozero, ClockedObject::regStats(), and stats.

void HDLcd::serialize ( CheckpointOut & cp ) const

overridevirtual

Serialize an object.

Output an object's state into the current checkpoint section.

Parameters

cp	Checkpoint state

Implements Serializable.

Definition at line 114 of file hdlcd.cc.

References blue_select, bus_options, command, dmaEngine, DPRINTF, enabled(), fb_base, fb_line_count, fb_line_length, fb_line_pitch, green_select, h_back_porch, h_data, h_front_porch, h_sync, int_mask, int_rawstat, pixel_format, pixelPump, polarities, red_select, SERIALIZE_OBJ, SERIALIZE_SCALAR, v_back_porch, v_data, v_front_porch, and v_sync.

void HDLcd::setInterrupts	(	uint32_t	ints,
		uint32_t	mask
	)

protected

Assign new interrupt values and update interrupt signals.

A new interrupt is scheduled signalled if the set of unmasked interrupts goes empty to non-empty. Conversely, if the set of unmasked interrupts goes from non-empty to empty, the interrupt signal is cleared.

Parameters

ints	New raw interrupt status
mask	New interrupt mask

Definition at line 586 of file hdlcd.cc.

References BaseGic::clearInt(), AmbaDmaDevice::gic, int_mask, int_rawstat, AmbaDmaDevice::intNum, intStatus(), ArmISA::mask, and BaseGic::sendInt().

Referenced by intClear(), intMask(), and intRaise().

void HDLcd::unserialize ( CheckpointIn & cp )

overridevirtual

Unserialize an object.

Read an object's state from the current checkpoint section.

Parameters

cp	Checkpoint state

Implements Serializable.

Definition at line 151 of file hdlcd.cc.

References blue_select, bus_options, command, conv, createDmaEngine(), Serializable::currentSection(), dmaEngine, DPRINTF, enabled(), fb_base, fb_line_count, fb_line_length, fb_line_pitch, green_select, h_back_porch, h_data, h_front_porch, h_sync, int_mask, int_rawstat, pixel_format, pixelConverter(), pixelPump, polarities, red_select, CheckpointIn::sectionExists(), BasePixelPump::unserialize(), UNSERIALIZE_SCALAR, v_back_porch, v_data, v_front_porch, and v_sync.

void HDLcd::virtRefresh ( )

protected

Handler for fast frame refresh in KVM-mode.

Definition at line 227 of file hdlcd.cc.

References curTick(), pixelPump, BasePixelPump::renderFrame(), EventManager::schedule(), virtRefreshEvent, and virtRefreshRate.

Tick HDLcd::write ( PacketPtr pkt )

overridevirtual

Pure virtual function that the device must implement.

Called when a write command is recieved by the port.

Parameters

pkt	Packet describing this request

Returns: number of ticks it took to complete

Implements PioDevice.

Definition at line 255 of file hdlcd.cc.

References data, DPRINTF, Packet::get(), Packet::getAddr(), Packet::getSize(), Packet::makeAtomicResponse(), panic_if(), AmbaDmaDevice::pioAddr, AmbaDmaDevice::pioDelay, AmbaDmaDevice::pioSize, and writeReg().

void HDLcd::writeReg	(	Addr	offset,
		uint32_t	value
	)

protected

Definition at line 313 of file hdlcd.cc.

References Blue_Select, blue_select, burst_len, Bus_Options, bus_options, cmdDisable(), cmdEnable(), Command, command, DPRINTF, Fb_Base, fb_base, Fb_Line_Count, fb_line_count, Fb_Line_Length, fb_line_length, Fb_Line_Pitch, fb_line_pitch, Green_Select, green_select, H_Back_Porch, h_back_porch, H_Data, h_data, H_Front_Porch, h_front_porch, H_Sync, h_sync, Int_Clear, Int_Mask, Int_RawStat, Int_Status, intClear(), intMask(), intRaise(), max_outstanding, panic, Pixel_Format, pixel_format, Polarities, polarities, Red_Select, red_select, V_Back_Porch, v_back_porch, V_Data, v_data, V_Front_Porch, v_front_porch, V_Sync, v_sync, and Version.

Referenced by write().

Member Data Documentation

const AddrRangeList HDLcd::addrRanges

protected

Definition at line 116 of file hdlcd.hh.

Referenced by getAddrRanges().

constexpr size_t HDLcd::AXI_PORT_WIDTH = 8

staticprotected

AXI port width in bytes.

Definition at line 157 of file hdlcd.hh.

Referenced by createDmaEngine().

Bitfield<31> HDLcd::big_endian

protected

Definition at line 216 of file hdlcd.hh.

ColorSelectReg HDLcd::blue_select

protected

Blue color select register.

Definition at line 255 of file hdlcd.hh.

Referenced by pixelConverter(), readReg(), serialize(), unserialize(), and writeReg().

Bitmap HDLcd::bmp

protected

Helper to write out bitmaps.

Definition at line 353 of file hdlcd.hh.

Referenced by pxlFrameDone().

HDLcd::burst_len

protected

Definition at line 187 of file hdlcd.hh.

Referenced by writeReg().

BusOptsReg HDLcd::bus_options

protected

Bus options register.

Definition at line 241 of file hdlcd.hh.

Referenced by createDmaEngine(), readReg(), serialize(), unserialize(), and writeReg().

constexpr size_t HDLcd::BUS_OPTIONS_RESETV = 0x408

staticprotected

Reset value for Bus_Options register.

Definition at line 151 of file hdlcd.hh.

Bitfield<4,3> HDLcd::bytes_per_pixel

protected

Definition at line 214 of file hdlcd.hh.

CommandReg HDLcd::command

protected

Command register.

Definition at line 251 of file hdlcd.hh.

Referenced by readReg(), serialize(), unserialize(), and writeReg().

PixelConverter HDLcd::conv

protected

Cached pixel converter, set when the converter is enabled.

Definition at line 359 of file hdlcd.hh.

Referenced by cmdEnable(), pxlNext(), and unserialize().

Bitfield<3> HDLcd::data_polarity

protected

Definition at line 202 of file hdlcd.hh.

Bitfield<2> HDLcd::dataen_polarity

protected

Definition at line 201 of file hdlcd.hh.

Bitfield<23,16> HDLcd::default_color

protected

Definition at line 224 of file hdlcd.hh.

std::unique_ptr<DmaEngine> HDLcd::dmaEngine

protected

Definition at line 391 of file hdlcd.hh.

Referenced by cmdDisable(), createDmaEngine(), pxlFrameDone(), pxlNext(), pxlUnderrun(), pxlVSyncEnd(), serialize(), and unserialize().

const bool HDLcd::enableCapture

protected

Definition at line 117 of file hdlcd.hh.

Referenced by pxlFrameDone().

uint32_t HDLcd::fb_base

protected

Frame buffer base address register.

Definition at line 237 of file hdlcd.hh.

Referenced by pxlVSyncEnd(), readReg(), serialize(), HDLcd::DmaEngine::startFrame(), unserialize(), and writeReg().

HDLcd::fb_line_count

protected

Definition at line 182 of file hdlcd.hh.

Referenced by createDmaEngine(), readReg(), serialize(), unserialize(), and writeReg().

FbLineCountReg HDLcd::fb_line_count

protected

Frame buffer Line count register.

Definition at line 239 of file hdlcd.hh.

uint32_t HDLcd::fb_line_length

protected

Frame buffer Line length register.

Definition at line 238 of file hdlcd.hh.

Referenced by createDmaEngine(), readReg(), serialize(), unserialize(), and writeReg().

int32_t HDLcd::fb_line_pitch

protected

Frame buffer Line pitch register.

Definition at line 240 of file hdlcd.hh.

Referenced by createDmaEngine(), readReg(), serialize(), unserialize(), and writeReg().

ColorSelectReg HDLcd::green_select

protected

Green color select register.

Definition at line 254 of file hdlcd.hh.

Referenced by pixelConverter(), readReg(), serialize(), unserialize(), and writeReg().

TimingReg HDLcd::h_back_porch

protected

Horizontal back porch width register.

Definition at line 247 of file hdlcd.hh.

Referenced by displayTimings(), readReg(), serialize(), unserialize(), and writeReg().

TimingReg HDLcd::h_data

protected

Horizontal data width register.

Definition at line 248 of file hdlcd.hh.

Referenced by displayTimings(), readReg(), serialize(), unserialize(), and writeReg().

TimingReg HDLcd::h_front_porch

protected

Horizontal front porch width reg.

Definition at line 249 of file hdlcd.hh.

Referenced by displayTimings(), readReg(), serialize(), unserialize(), and writeReg().

TimingReg HDLcd::h_sync

protected

Horizontal sync width register.

Definition at line 246 of file hdlcd.hh.

Referenced by displayTimings(), readReg(), serialize(), unserialize(), and writeReg().

Bitfield<1> HDLcd::hsync_polarity

protected

Definition at line 200 of file hdlcd.hh.

constexpr uint32_t HDLcd::INT_BUS_ERROR = (1UL << 1)

staticprotected

Definition at line 177 of file hdlcd.hh.

uint32_t HDLcd::int_mask

protected

Interrupt mask register.

Definition at line 236 of file hdlcd.hh.

Referenced by intClear(), intRaise(), intStatus(), readReg(), serialize(), setInterrupts(), and unserialize().

uint32_t HDLcd::int_rawstat

protected

Interrupt raw status register.

Definition at line 235 of file hdlcd.hh.

Referenced by intClear(), intMask(), intRaise(), intStatus(), readReg(), serialize(), setInterrupts(), and unserialize().

constexpr uint32_t HDLcd::INT_UNDERRUN = (1UL << 3)

staticprotected

Definition at line 179 of file hdlcd.hh.

Referenced by pxlUnderrun().

constexpr uint32_t HDLcd::INT_VSYNC = (1UL << 2)

staticprotected

Definition at line 178 of file hdlcd.hh.

Referenced by pxlVSyncBegin().

constexpr size_t HDLcd::MAX_BURST_LEN = 16

staticprotected

max number of beats delivered in one dma burst

Definition at line 160 of file hdlcd.hh.

Referenced by createDmaEngine().

Bitfield<11,8> HDLcd::max_outstanding

protected

Definition at line 189 of file hdlcd.hh.

Referenced by writeReg().

constexpr size_t HDLcd::MAX_PIXEL_SIZE = 4

staticprotected

Maximum number of bytes per pixel.

Definition at line 163 of file hdlcd.hh.

Referenced by pxlNext().

HDLcd::offset

protected

Definition at line 220 of file hdlcd.hh.

OutputStream* HDLcd::pic

protected

Picture of what the current frame buffer looks like.

Definition at line 356 of file hdlcd.hh.

Referenced by pxlFrameDone().

PixelFormatReg HDLcd::pixel_format

protected

Pixel format register.

Definition at line 252 of file hdlcd.hh.

Referenced by pixelConverter(), readReg(), serialize(), unserialize(), and writeReg().

const Addr HDLcd::pixelBufferSize

protected

Definition at line 118 of file hdlcd.hh.

Referenced by createDmaEngine().

PixelPump HDLcd::pixelPump

protected

Definition at line 361 of file hdlcd.hh.

Referenced by cmdDisable(), cmdEnable(), drainResume(), pxlFrameDone(), serialize(), unserialize(), and virtRefresh().

PolaritiesReg HDLcd::polarities

protected

Polarities register.

Definition at line 250 of file hdlcd.hh.

Referenced by readReg(), serialize(), unserialize(), and writeReg().

Bitfield<31,16> HDLcd::product_id

protected

Definition at line 173 of file hdlcd.hh.

Bitfield<4> HDLcd::pxlclk_polarity

protected

Definition at line 203 of file hdlcd.hh.

ColorSelectReg HDLcd::red_select

protected

Red color select register.

Definition at line 253 of file hdlcd.hh.

Referenced by pixelConverter(), readReg(), serialize(), unserialize(), and writeReg().

Bitfield<15,12> HDLcd::reserved_15_12

protected

Definition at line 223 of file hdlcd.hh.

HDLcd::reserved_2_0

protected

Definition at line 213 of file hdlcd.hh.

Bitfield<30,5> HDLcd::reserved_30_5

protected

Definition at line 215 of file hdlcd.hh.

Bitfield<31,1> HDLcd::reserved_31_1

protected

Definition at line 209 of file hdlcd.hh.

Bitfield< 31, 12 > HDLcd::reserved_31_12

protected

Definition at line 183 of file hdlcd.hh.

Bitfield<31,24> HDLcd::reserved_31_24

protected

Definition at line 225 of file hdlcd.hh.

Bitfield<31,5> HDLcd::reserved_31_5

protected

Definition at line 204 of file hdlcd.hh.

Bitfield< 7, 5 > HDLcd::reserved_7_5

protected

Definition at line 188 of file hdlcd.hh.

Bitfield<11,8> HDLcd::size

protected

Definition at line 222 of file hdlcd.hh.

struct { ... } HDLcd::stats

Referenced by pxlUnderrun(), and regStats().

Stats::Scalar HDLcd::underruns

Definition at line 395 of file hdlcd.hh.

TimingReg HDLcd::v_back_porch

protected

Vertical back porch width register.

Definition at line 243 of file hdlcd.hh.

Referenced by displayTimings(), readReg(), serialize(), unserialize(), and writeReg().

TimingReg HDLcd::v_data

protected

Vertical data width register.

Definition at line 244 of file hdlcd.hh.

Referenced by displayTimings(), readReg(), serialize(), unserialize(), and writeReg().

TimingReg HDLcd::v_front_porch

protected

Vertical front porch width register.

Definition at line 245 of file hdlcd.hh.

Referenced by displayTimings(), readReg(), serialize(), unserialize(), and writeReg().

TimingReg HDLcd::v_sync

protected

Vertical sync width register.

Definition at line 242 of file hdlcd.hh.

Referenced by displayTimings(), readReg(), serialize(), unserialize(), and writeReg().

HDLcd::val

protected

Definition at line 194 of file hdlcd.hh.

Bitfield<15,8> HDLcd::version_major

protected

Definition at line 172 of file hdlcd.hh.

HDLcd::version_minor

protected

Definition at line 171 of file hdlcd.hh.

constexpr size_t HDLcd::VERSION_RESETV = 0x1CDC0000

staticprotected

Reset value for Version register.

Definition at line 154 of file hdlcd.hh.

EventWrapper<HDLcd, &HDLcd::virtRefresh> HDLcd::virtRefreshEvent

protected

Definition at line 350 of file hdlcd.hh.

Referenced by cmdDisable(), cmdEnable(), and virtRefresh().

const Tick HDLcd::virtRefreshRate

protected

Definition at line 119 of file hdlcd.hh.

Referenced by virtRefresh().

VncInput* HDLcd::vnc

protected

Definition at line 113 of file hdlcd.hh.

Referenced by drainResume(), and pxlFrameDone().

const bool HDLcd::workaroundDmaLineCount

protected

Definition at line 115 of file hdlcd.hh.

Referenced by createDmaEngine().

const bool HDLcd::workaroundSwapRB

protected

Definition at line 114 of file hdlcd.hh.

Referenced by pixelConverter().

The documentation for this class was generated from the following files:

dev/arm/hdlcd.hh
dev/arm/hdlcd.cc

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