generic USB device More...

#include <dxd_usb_stream.h>

Inheritance diagram for dxd::usb_stream_device:

Collaboration diagram for dxd::usb_stream_device:

Classes
class	clock

class	stream
	USB stream. More...

Public Types
enum	speed { low =::kUSBHostConnectionSpeedLow , full =::kUSBHostConnectionSpeedFull , high =::kUSBHostConnectionSpeedHigh , usb1 =full , usb2 =high , low =::kUSBHostConnectionSpeedLow , full =::kUSBHostConnectionSpeedFull , high =::kUSBHostConnectionSpeedHigh , usb1 =full , usb2 =high }

enum	speed { low =::kUSBHostConnectionSpeedLow , full =::kUSBHostConnectionSpeedFull , high =::kUSBHostConnectionSpeedHigh , usb1 =full , usb2 =high , low =::kUSBHostConnectionSpeedLow , full =::kUSBHostConnectionSpeedFull , high =::kUSBHostConnectionSpeedHigh , usb1 =full , usb2 =high }

Public Member Functions
os_result	clear ()

unsigned char	configuration () const

unsigned char	configuration () const
	return available USB configurations

os_result	configuration (unsigned char configuration)

os_result	configuration (unsigned char configuration)
	choose USB configuration

unsigned char	configurations () const

unsigned char	configurations () const
	return current USB configuration

decltype(dx::usb::descriptor::device)	descriptor () const
	IOKit: request the USB device descriptor.

template<class client_t = ::IOService, typename return_t = os_result, typename exec_arg_t , typename exec_t >
return_t	each_child (exec_arg_t exec_arg, exec_t exec)
	apply executor functor for each child

template<class client_t = ::IOUserClient, typename return_t = os_result, typename exec_arg_t , typename exec_t >
return_t	each_client (exec_arg_t exec_arg, exec_t exec)
	apply executor functor for each user client

uint64_t	frame () const

uint64_t	frame () const

::IOUSBHostInterface *	interface (unsigned char index, unsigned char setting=0)
	IOKit: USB interface.

const ::USBD_INTERFACE_INFORMATION *	interface (unsigned char index, unsigned char setting=0)

template<typename tx_t , typename rx_t >
os_result	ioctl (unsigned int ioctl, const tx_t &tx, rx_t &rx)
	convenience ioctl accessor for direct inter-kext IOCTL

os_result	notify_clients ()

	operator const::IOLock * () const

	operator::DEVICE_OBJECT * () const

	operator::IOLock * ()

	operator::IOUSBHostDevice * () const
	IOKit: IOUSBDevice* implicit cast.

template<typename type_t >
os_result	property (const char *key, type_t &value) const
	provider property request

template<typename type_t >
os_result	query (const char *key, type_t &value)
	device property request

template<>
os_result	query (const char *key, unsigned int &value)
	(defined(doxygen)\|\|defined(DXD_EXTERN))

template<typename data_t >
os_result	request (const dx::usb::control &control, data_t &data)
	IOKit: synchronously sends an USB request.

template<typename data_t >
os_result	request (const dx::usb::control &control, data_t &data)

os_result	request (const dx::usb::control &control, void *data, size_t &size)

os_result	request (const dx::usb::control &control, void *data, size_t &size)

os_result	set (const char *key, unsigned int value)

speed	speed () const

speed	speed () const

os_result	state () const

os_result	string (unsigned char idx, char *string, unsigned char &chars)

os_result	string (unsigned char idx, char *string, unsigned char &chars, dx::usb::language language=dx::usb::language::standard)
	IOKit: request the USB string descriptor for the index.

template<typename string_t >
os_result	string (unsigned char idx, string_t &string)

template<typename string_t >
os_result	string (unsigned char idx, string_t &string)

Public Attributes
dxd::usb_stream_device::clock	clock

os_result	status =not_initialized

scoped< stream >	streams [0x20] {}

Protected Member Functions
void	close_interfaces ()

void	conclude () override
	IOKit: USB conclude.

void	conclude () override
	WDK: USB device de-initialization callback.

os_result	ioctl (unsigned int ioctl, const void in, size_t size_in, void out, size_t size_out, size_t &size) override
	usb IOCTL handler

os_result	launch () override
	IOKit: USB launch.

os_result	launch () override
	WDK: USB device initialization callback.

os_result	open (const dx::stream::open< dx::usb::endpoint > &open, dxd::stream::opened< dx::circular > *opened, size_t &size)

os_result	open_interfaces ()

os_result	sleep () override
	device PNP sleep virtual method

bool	start (::IOService *provider) override
	IOKit: USB start.

os_result	wake () override
	device PNP wake virtual method

Detailed Description

generic USB device

Member Enumeration Documentation

◆ speed [1/2]

enum dxd::usb_device::speed

inherited

Todo: enum class

Enumerator
low
full
high
usb1
usb2
low
full
high
usb1
usb2

◆ speed [2/2]

enum dxd::usb_device::speed

inherited

Enumerator
low
full
high
usb1
usb2
low
full
high
usb1
usb2

Member Function Documentation

◆ clear()

os_result dxd::usb_device::clear ( )

inlineinherited

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◆ close_interfaces()

void dxd::usb_device::close_interfaces ( )

inlineprotectedinherited

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◆ conclude() [1/2]

void dxd::usb_device::conclude ( )

inlineoverrideprotectedvirtualinherited

IOKit: USB conclude.

This method:

iterates over and closes all USB interfaces
deselects USB configuration
closes the USB device from exclusive access

De-selects previosly selected USB configuration,

Todo: investigate if reset() is still needed here

closes the USB device, so another driver has the chance to match against (important: this driver will not unload otherwise)

Reimplemented from dxd::device.

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◆ conclude() [2/2]

void dxd::usb_device::conclude ( )

inlineoverrideprotectedvirtualinherited

WDK: USB device de-initialization callback.

Reimplemented from dxd::device.

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◆ configuration() [1/4]

unsigned char dxd::usb_device::configuration ( ) const

inlineinherited

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◆ configuration() [2/4]

unsigned char dxd::usb_device::configuration ( ) const

inlineinherited

return available USB configurations

◆ configuration() [3/4]

os_result dxd::usb_device::configuration ( unsigned char configuration )

inlineinherited

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◆ configuration() [4/4]

os_result dxd::usb_device::configuration ( unsigned char configuration )

inlineinherited

choose USB configuration

removes interface cache

deselects current configuration on request #0

obtains the configuration descriptor,

obtains all descriptors,

enumerates interfaces in the configuration,

allocates and builds an URB for the select-configuration request,

creates interface cache

enumerates the pipes in the interface information array, which is now filled with pipe information.

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◆ configurations() [1/2]

unsigned char dxd::usb_device::configurations ( ) const

inlineinherited

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◆ configurations() [2/2]

unsigned char dxd::usb_device::configurations ( ) const

inlineinherited

return current USB configuration

◆ descriptor()

decltype(dx::usb::descriptor::device) dxd::usb_device::descriptor ( ) const

inlineinherited

IOKit: request the USB device descriptor.

Deprecated

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◆ each_child()

template<class client_t = ::IOService, typename return_t = os_result, typename exec_arg_t , typename exec_t >

return_t dxd::device::each_child	(	exec_arg_t	exec_arg,
		exec_t	exec )

inlineinherited

apply executor functor for each child

◆ each_client()

template<class client_t = ::IOUserClient, typename return_t = os_result, typename exec_arg_t , typename exec_t >

return_t dxd::device::each_client	(	exec_arg_t	exec_arg,
		exec_t	exec )

inlineinherited

apply executor functor for each user client

◆ frame() [1/2]

uint64_t dxd::usb_device::frame ( ) const

inlineinherited

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◆ frame() [2/2]

uint64_t dxd::usb_device::frame ( ) const

inlineinherited

◆ interface() [1/2]

::IOUSBHostInterface * dxd::usb_device::interface	(	unsigned char	index,
		unsigned char	setting = 0 )

inlineinherited

IOKit: USB interface.

Selects the USB interface

checks interface, if it fails: was it configured?

and selects the (alternate) setting

Parameters

index	index of the USB interface in the USB configuration
setting	setting # of the USB interface

◆ interface() [2/2]

const ::USBD_INTERFACE_INFORMATION * dxd::usb_device::interface	(	unsigned char	index,
		unsigned char	setting = 0 )

inlineinherited

requests settings change,

disposes and creates new interface cache on size change,

and fills interface cache,

◆ ioctl() [1/2]

template<typename tx_t , typename rx_t >

os_result dxd::device::ioctl	(	unsigned int	ioctl,
		const tx_t &	tx,
		rx_t &	rx )

inlineinherited

convenience ioctl accessor for direct inter-kext IOCTL

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◆ ioctl() [2/2]

os_result dxd::usb_stream_device::ioctl	(	unsigned int	ioctl,
		const void *	in,
		size_t	size_in,
		void *	out,
		size_t	size_out,
		size_t &	size )

inlineoverrideprotectedvirtual

usb IOCTL handler

virtual ioctl() gets called by the dynax driver framework for usb device IOCTL handling.

implemented handler

dx::ioctl::stream::open (user space):
dxd::ioctl::stream::open (kernel):
- in: dx::stream:open,
- dxd::ioctl::stream::open (kernel):
  - out:dxd::stream::opened

dx::ioctl::stream::close
- in: dx::usb::endpoint

checks endpoint address,

obtains stream index from endpoint address

checks if stream is opened;

detaches mapping from stream

checks endpoint address,

checks stream user mode mapping,

checks endpoint address,

checks stream user mode mapping,

dx::ioctl::stream::puid
- out: USB serial number - if present

    - <i>dx::ioctl::stream::clock::samplerate</i>
        - in: clock domain ID (ignored since the supported devices only
            have one clock domain so far)
            + optional (unsigned int) samplerate,
        - out:
            optional (unsigned int) samplerate, or
            optional dx::iobridge<unsigned int> samplerate map

/

Todo: clean way of switching SR of device or endpoint, /when streams are opened or closed

checks clock domain validity,

prevent samplerate setting when streaming

setup stream DMA to be used with the new samplerate

dx::usb::request - send generic USB request to device
- in: dx::usb::control,
- out: data to be sent or retreived

dx::usb::descriptor - obtain generic USB device descriptor
- in: none,
- out: dx::usb::device_descriptor

dx::usb::string - obtain generic USB device string
- in: (char) string index,
- out: unsigned short[] unicode string from device

dx::usb::configuration - select/obtain USB configuration
- in: optional (unsigned char) configuration,
- out: optional (unsigned char) configuration,

Parameters

ioctl	IOCTL
in	buffer pointer containing data from user mode
size_in	size of the buffer containing data from user mode
out	buffer pointer accepting data to be returned to user mode
size_out	size of the buffer accepting data to be returned to user mode
size	actual size of data to be returned to user mode

Reimplemented from dxd::device.

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◆ launch() [1/2]

os_result dxd::usb_device::launch ( )

inlineoverrideprotectedvirtualinherited

IOKit: USB launch.

This method:

opens the USB device for exclusive access,
selects default USB configuration
iterates over and opens all USB interfaces

Reimplemented from dxd::device.

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◆ launch() [2/2]

os_result dxd::usb_device::launch ( )

inlineoverrideprotectedvirtualinherited

WDK: USB device initialization callback.

obtain vage speed info

obtains the device descriptor,

and select USB configuration #1.

Reimplemented from dxd::device.

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◆ notify_clients()

os_result dxd::device::notify_clients ( )

inlineinherited

◆ open()

os_result dxd::usb_stream_device::open	(	const dx::stream::open< dx::usb::endpoint > &	open,
		dxd::stream::opened< dx::circular > *	opened,
		size_t &	size )

inlineprotected

checks endpoint address,

obtains stream index from endpoint address

opens device receiver endpoint and checks its status,

registers this client, and returns

kernel space address of shared buffer,

kernel data available event pointer

kernel backingstore space available pointer

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◆ open_interfaces()

os_result dxd::usb_device::open_interfaces ( )

inlineprotectedinherited

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◆ operator const::IOLock *()

dxd::mutex::operator const::IOLock * ( ) const

inlineinherited

◆ operator::DEVICE_OBJECT *()

dxd::usb_device::operator::DEVICE_OBJECT * ( ) const

inlineinherited

◆ operator::IOLock *()

dxd::mutex::operator::IOLock * ( )

inlineinherited

◆ operator::IOUSBHostDevice *()

dxd::usb_device::operator::IOUSBHostDevice * ( ) const

inlineinherited

IOKit: IOUSBDevice* implicit cast.

◆ property()

template<typename type_t >

os_result dxd::device::property	(	const char *	key,
		type_t &	value ) const

inlineinherited

provider property request

try if property is an OSString

or, try to get it as OSData

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◆ query() [1/2]

template<typename type_t >

os_result dxd::device::query	(	const char *	key,
		type_t &	value )

inherited

device property request

device string property request

Todo: move into property class

try if property is an OSString

get it as OSData

◆ query() [2/2]

template<>

os_result dxd::device::query	(	const char *	key,
		unsigned int &	value )

inherited

(defined(doxygen)||defined(DXD_EXTERN))

device integer property request

◆ request() [1/4]

template<typename data_t >

os_result dxd::usb_device::request	(	const dx::usb::control &	control,
		data_t &	data )

inlineinherited

IOKit: synchronously sends an USB request.

Todo: USB device control request timeout

Parameters

control	the USB request control defining the request type
data	data to transmit or receive

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◆ request() [2/4]

template<typename data_t >

os_result dxd::usb_device::request	(	const dx::usb::control &	control,
		data_t &	data )

inlineinherited

Parameters

control	the USB request control defining the request type
data	data to transmit or receive

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◆ request() [3/4]

os_result dxd::usb_device::request	(	const dx::usb::control &	control,
		void *	data,
		size_t &	size )

inlineinherited

Parameters

control	the USB request control defining the request type
data	data to transmit or receive
size	size of the actual transaction

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◆ request() [4/4]

os_result dxd::usb_device::request	(	const dx::usb::control &	control,
		void *	data,
		size_t &	size )

inlineinherited

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◆ set()

os_result dxd::device::set	(	const char *	key,
		unsigned int	value )

inlineinherited

◆ sleep()

os_result dxd::usb_stream_device::sleep ( )

inlineoverrideprotectedvirtual

device PNP sleep virtual method

virtual sleep() gets called by the dynax driver framework for device PNP sleep handling.

stops all endpoints

Reimplemented from dxd::device.

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◆ speed() [1/2]

speed dxd::usb_device::speed ( ) const

inlineinherited

◆ speed() [2/2]

speed dxd::usb_device::speed ( ) const

inlineinherited

Todo: implement WDK low/super speed check for dxd::usb_device.speed()

◆ start()

bool dxd::usb_device::start ( ::IOService * provider )

inlineoverrideprotectedinherited

IOKit: USB start.

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◆ state()

os_result dxd::usb_device::state ( ) const

inlineinherited

Todo: find out if isInactive() is equivalent to getState()

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◆ string() [1/4]

os_result dxd::usb_device::string	(	unsigned char	idx,
		char *	string,
		unsigned char &	chars )

inlineinherited

◆ string() [2/4]

os_result dxd::usb_device::string	(	unsigned char	idx,
		char *	string,
		unsigned char &	chars,
		dx::usb::language	language = dx::usb::language::standard )

inlineinherited

IOKit: request the USB string descriptor for the index.

Parameters

idx	index of the string to request
string	preallocated string buffer
chars	number of characters returned

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◆ string() [3/4]

template<typename string_t >

os_result dxd::usb_device::string	(	unsigned char	idx,
		string_t &	string )

inlineinherited

◆ string() [4/4]

template<typename string_t >

os_result dxd::usb_device::string	(	unsigned char	idx,
		string_t &	string )

inlineinherited

◆ wake()

os_result dxd::usb_stream_device::wake ( )

inlineoverrideprotectedvirtual

device PNP wake virtual method

virtual wake() gets called by the dynax driver framework for device PNP wake handling.

starts all endpoints

Reimplemented from dxd::device.

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Member Data Documentation

◆ clock

dxd::usb_stream_device::clock dxd::usb_stream_device::clock

◆ status

os_result dxd::mutex::status =not_initialized

inherited

◆ streams

scoped<stream> dxd::usb_stream_device::streams[0x20] {}

list of open streams

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

dxd_usb_stream.h

Classes

Public Types

Public Member Functions

Public Attributes

Protected Member Functions

Detailed Description

Member Enumeration Documentation

◆ speed [1/2]

◆ speed [2/2]

Member Function Documentation

◆ clear()

◆ close_interfaces()

◆ conclude() [1/2]

◆ conclude() [2/2]

◆ configuration() [1/4]

◆ configuration() [2/4]

◆ configuration() [3/4]

◆ configuration() [4/4]

◆ configurations() [1/2]

◆ configurations() [2/2]

◆ descriptor()

◆ each_child()

◆ each_client()

◆ frame() [1/2]

◆ frame() [2/2]

◆ interface() [1/2]

◆ interface() [2/2]

◆ ioctl() [1/2]

◆ ioctl() [2/2]

◆ launch() [1/2]

◆ launch() [2/2]

◆ notify_clients()

◆ open()

◆ open_interfaces()

◆ operator const::IOLock *()

◆ operator::DEVICE_OBJECT *()

◆ operator::IOLock *()

◆ operator::IOUSBHostDevice *()

◆ property()

◆ query() [1/2]

◆ query() [2/2]

◆ request() [1/4]

◆ request() [2/4]

◆ request() [3/4]

◆ request() [4/4]

◆ set()

◆ sleep()

◆ speed() [1/2]

◆ speed() [2/2]

◆ start()

◆ state()

◆ string() [1/4]

◆ string() [2/4]

◆ string() [3/4]

◆ string() [4/4]

◆ wake()

Member Data Documentation

◆ clock

◆ status

◆ streams