kernel/eka/include/d32usbcshared.h
changeset 0 a41df078684a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/include/d32usbcshared.h	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,399 @@
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// e32/include/d32usbcshared.h
+// User side class definitions for USB Device support.
+// 
+//
+
+/**
+ @file d32usbcshared.h
+ @publishedPartner
+ @released
+*/
+
+#ifndef __D32USBCSHARED_H__
+#define __D32USBCSHARED_H__
+
+// USB driver error codes
+
+/** USB driver specific error codes start from here
+*/
+const TInt KErrUsbDriverBase = -6701;
+
+/**	Attempt at data transfer, or something interface related,
+	when neither an Interface has been set up nor Device Control is owned by
+	the channel
+*/
+const TInt KErrUsbInterfaceNotReady = -6702;
+
+/**	Attempt at data transfer on an endpoint that does not belong to the active interface
+*/
+const TInt KErrUsbEpNotInInterface = -6703;
+
+/**	Attempt at data transfer in a direction not supported by the endpoint
+*/
+const TInt KErrUsbEpBadDirection = -6704;
+
+/**	The data transfer size specified exceeds that of the source or
+	destination buffer descriptor
+*/
+const TInt KErrUsbTransferSize = -6705;
+
+/**	This has multiple uses:
+	1) User request completed because device is no longer in configured state
+	2) Something endpoint related, stall, unstall, status enquiry etc,
+	   that requires the device to be configured
+*/
+const TInt KErrUsbDeviceNotConfigured = -6706;
+
+/**	Requested endpoint properties inconsistent during Interface setup
+*/
+const TInt KErrUsbBadEndpoint = -6707;
+
+/**	User data request completed because channel is closing (channel destructor called)
+*/
+const TInt KErrUsbDeviceClosing = -6708;
+
+/**	User data request completed because current endpoint set is being
+	replaced since alternate setting is changing
+*/
+const TInt KErrUsbInterfaceChange = -6709;
+
+/**	User data request completed because cable has been detached (or equivalent)
+*/
+const TInt KErrUsbCableDetached = -6710;
+
+/**	User data request completed because cable has been detached (or equivalent)
+*/
+const TInt KErrUsbDeviceBusReset = -6711;
+
+/**	This means that read data is still available when a write request is made.
+	Relates to bidirectional eps only (ep0).
+	A bidirectional ep must consume all of its read data before attempting to write.
+*/
+const TInt KErrUsbEpNotReady = -6712;
+
+/** These are states that are described in the USB standard.
+
+	@see RDevUsbcClient::DeviceStatus()
+	@see RDevUsbcClient::AlternateDeviceStatusNotify()
+*/
+enum TUsbcDeviceState
+	{
+	EUsbcDeviceStateUndefined,								// 0
+	EUsbcDeviceStateAttached,								// 1
+	EUsbcDeviceStatePowered,								// 2
+	EUsbcDeviceStateDefault,								// 3
+	EUsbcDeviceStateAddress,								// 4
+	EUsbcDeviceStateConfigured,								// 5
+	EUsbcDeviceStateSuspended,								// 6
+ 	EUsbcNoState = 0xff										// 255 (used as a place holder)
+	};
+
+/** The endpoint states.
+
+	@see RDevUsbcClient::EndpointStatus()
+	@see RDevUsbcClient::EndpointStatusNotify()
+*/
+enum TEndpointState
+	{
+	EEndpointStateNotStalled,
+	EEndpointStateStalled,
+	EEndpointStateUnknown
+	};
+
+/** Endpoint resources/behaviours.
+
+	@see AllocateEndpointResource()
+	@see DeAllocateEndpointResource()
+	@see QueryEndpointResourceUse()
+*/
+enum TUsbcEndpointResource
+	{
+	/** Requests the use of DMA. */
+	EUsbcEndpointResourceDMA = 0,
+	/** Requests the use of double FIFO buffering. */
+	EUsbcEndpointResourceDoubleBuffering = 1
+	};
+
+
+/** The USB client device capability class.
+*/
+class TCapsDevUsbc
+	{
+public:
+	/** The device version. */
+	TVersion version;
+	};
+
+
+/** The maximum number of endpoints supported by the device, excluding ep0.
+*/
+const TInt KUsbcMaxEndpoints = 30;
+
+/** The maximum number of endpoints per interface, excluding ep0.
+*/
+const TInt KMaxEndpointsPerClient = 5;
+
+/** @internalComponent
+*/
+const TInt KInvalidEndpointNumber = 31;
+
+/** The alternate setting flag; when this bit is set the state change notified by
+	RDevUsbcClient::AlternateDeviceStatusNotify() is an alternate setting number.
+*/
+const TUint KUsbAlternateSetting = 0x80000000;
+
+/** The USB cable detection feature flag; used by TUsbDeviceCapsV01::iFeatureWord1.
+	When this bit is set then the USB controller hardware (UDC) supports detection
+	of a plugged-in USB cable even when not powered.
+
+	@see TUsbDeviceCapsV01
+*/
+const TUint KUsbDevCapsFeatureWord1_CableDetectWithoutPower = 0x00000001;
+
+/** If this flag is set then the driver supports the new endpoint resource
+	allocation scheme for DMA and Double-buffering via
+	TUsbcEndpointInfo::iFeatureWord1.
+
+	@see TUsbDeviceCapsV01
+*/
+const TUint KUsbDevCapsFeatureWord1_EndpointResourceAllocV2 = 0x00000002;
+
+
+/** Device USB capabilities.
+*/
+class TUsbDeviceCapsV01
+	{
+public:
+	/** The total number of endpoints on the device. */
+	TInt iTotalEndpoints;
+	/** Indicates whether the device supports software connect/disconnect. */
+	TBool iConnect;
+	/** Indicates whether the device is self powered. */
+	TBool iSelfPowered;
+	/** Indicates whether the device can send Remote Wakeup. */
+	TBool iRemoteWakeup;
+	/** Indicates whether the device supports High-speed mode. */
+	TBool iHighSpeed;
+	/** 32 flag bits indicating miscellaneous UDC/device features.
+		Currently defined are:
+		- KUsbDevCapsFeatureWord1_CableDetectWithoutPower = 0x00000001
+		- KUsbDevCapsFeatureWord1_EndpointResourceAllocV2 = 0x00000002
+	*/
+	TUint32 iFeatureWord1;
+	/** Reserved for future use. */
+	TUint32 iReserved;
+	};
+
+/** Package buffer for a TUsbDeviceCapsV01 object.
+
+	@see TUsbDeviceCapsV01
+*/
+typedef TPckgBuf<TUsbDeviceCapsV01> TUsbDeviceCaps;
+
+/** Bitmaps for TUsbcEndpointCaps.iSizes.
+
+	This endpoint is not available (= no size).
+*/
+const TUint KUsbEpNotAvailable = 0x00000000;
+/**	Max packet size is continuously variable up to some size specified.
+	(Interrupt and Isochronous endpoints only.)
+*/
+const TUint KUsbEpSizeCont     = 0x00000001;
+/** Max packet size 8 bytes is supported
+*/
+const TUint KUsbEpSize8        = 0x00000008;
+/** Max packet size 16 bytes is supported
+*/
+const TUint KUsbEpSize16       = 0x00000010;
+/** Max packet size 32 bytes is supported
+*/
+const TUint KUsbEpSize32       = 0x00000020;
+/** Max packet size 64 bytes is supported
+*/
+const TUint KUsbEpSize64       = 0x00000040;
+/** Max packet size 128 bytes is supported
+*/
+const TUint KUsbEpSize128      = 0x00000080;
+/** Max packet size 256 bytes is supported
+*/
+const TUint KUsbEpSize256      = 0x00000100;
+/** Max packet size 512 bytes is supported
+*/
+const TUint KUsbEpSize512      = 0x00000200;
+/** Max packet size 1023 bytes is supported
+*/
+const TUint KUsbEpSize1023     = 0x00000400;
+/** Max packet size 1024 bytes is supported
+*/
+const TUint KUsbEpSize1024     = 0x00000800;
+
+
+/** Bitmaps for TUsbcEndpointCaps.iSupportedTypesAndDir.
+
+	Endpoint supports Control transfer type.
+*/
+const TUint KUsbEpTypeControl     = 0x00000001;
+/** Endpoint supports Isochronous transfer type.
+*/
+const TUint KUsbEpTypeIsochronous = 0x00000002;
+/** Endpoint supports Bulk transfer type.
+*/
+const TUint KUsbEpTypeBulk        = 0x00000004;
+/** Endpoint supports Interrupt transfer type.
+*/
+const TUint KUsbEpTypeInterrupt   = 0x00000008;
+/** Endpoint supports IN transfers.
+*/
+const TUint KUsbEpDirIn           = 0x80000000;
+/** Endpoint supports OUT transfers.
+*/
+const TUint KUsbEpDirOut          = 0x40000000;
+/** Endpoint supports bidirectional (Control) transfers only.
+*/
+const TUint KUsbEpDirBidirect     = 0x20000000;
+
+
+/** Converts an absolute size value into a KUsbEpSize... mask.
+*/
+static inline TUint PacketSize2Mask(TInt aSize);
+
+/** Converts an endpoint type mask KUsbEpType...  into an endpoint attribute
+	value KUsbEpAttr_....
+*/
+static inline TUint EpTypeMask2Value(TInt aType);
+
+
+/** Endpoint capabilities as reported by the driver.
+*/
+class TUsbcEndpointCaps
+	{
+public:
+	/** Returns the greatest available packet size for this endpoint. */
+	TInt MaxPacketSize() const;
+	/** Returns the smallest available packet size for this endpoint. */
+	TInt MinPacketSize() const;
+public:
+	/** The supported maximum packet sizes. */
+	TUint iSizes;
+	/** The supported endpoint types and directions. */
+	TUint iTypesAndDir;
+	/** This is a 'high-speed, high bandwidth' endpoint. */
+	TBool iHighBandwidth;
+	/** Reserved for future use. */
+	TUint32 iReserved[2];
+	};
+
+
+/** Endpoint capabilities as returned by RDevUsbcClient::EndpointCaps().
+*/
+class TUsbcEndpointData
+	{
+public:
+	/** Detail of endpoint capabilities. */
+	TUsbcEndpointCaps iCaps;
+	/** Indicates whether this endpoint is already claimed. */
+	TBool iInUse;
+	};
+
+/** The endpoint resource allocation flags;
+	used by TUsbcEndpointInfo::iFeatureWord1.
+
+	@see TUsbcEndpointInfo
+*/
+const TUint KUsbcEndpointInfoFeatureWord1_DMA             = 0x00000001;
+const TUint KUsbcEndpointInfoFeatureWord1_DoubleBuffering = 0x00000002;
+
+/** The desired endpoint capabilities used in RDevUsbcClient::SetInterface().
+*/
+class TUsbcEndpointInfo
+	{
+public:
+	TUsbcEndpointInfo(TUint aType=KUsbEpTypeBulk, TUint aDir=KUsbEpDirOut,
+					  TInt aSize=0, TInt aInterval=0, TInt aExtra=0);
+	/** @internalComponent */
+	TInt AdjustEpSizes(TInt& aEpSize_Fs, TInt& aEpSize_Hs) const;
+	/** @internalComponent */
+	TInt AdjustPollInterval();
+public:
+	/** Endpoint type (mask: KUsbEpTypeControl, etc., but used as value). */
+	TUint iType;
+	/** Direction (mask: KUsbEpDirIn, etc., but used as value). */
+	TUint iDir;
+	/** Maximum packet size (literal, no mask). */
+	TInt iSize;
+	/** Interval for polling full-speed interrupt and isochronous endpoints.
+		Expressed either directly in milliseconds with a valid range 1..255
+		(interrupt), or for use as 'value' in the expression interval=2^(value-1)
+		with a valid range 1..16 (isochronous).
+	*/
+	TInt iInterval;
+	/** Interval for polling high-speed interrupt and isochronous endpoints,
+		or to specify the NAK rate for high-speed control and bulk OUT endpoints.
+		Expressed either for use as 'value' in the expression interval=2^(value-1)
+		with a valid range 1..16 (interrupt and isochronous), or directly as the
+		maximum NAK rate with a valid range 0..255 (control and bulk).
+	*/
+	TInt iInterval_Hs;
+	/** The number of additional transactions per uframe to be scheduled (0..2)
+		(A value greater than zero is only valid for high-speed high bandwidth
+		 interrupt and isochronous endpoints. Also note that there are endpoint size
+		 restrictions associated with additional transactions - see 9.6.6.)
+	*/
+	TInt iTransactions;
+	/** The number of extra bytes that the standard endpoint descriptor should be extended by.
+		In almost all cases, this should be 0 (zero).
+	*/
+	TInt iExtra;
+	/** 32 flag bits indicating miscellaneous endpoint features.
+		Currently defined are:
+		- KUsbcEndpointInfoFeatureWord1_DMA             = 0x00000001
+		- KUsbcEndpointInfoFeatureWord1_DoubleBuffering = 0x00000002
+	*/
+	TUint32 iFeatureWord1;
+	/** Reserved for future use. */
+	TUint32 iReserved;
+	};
+
+/** USB Class information used in RDevUsbcClient::SetInterface().
+*/
+class TUsbcClassInfo
+	{
+public:
+	TUsbcClassInfo(TInt aClass=0, TInt aSubClass=0, TInt aProtocol=0);
+public:
+	/** The class type number. */
+	TInt iClassNum;
+	/** The sub-class type number. */
+	TInt iSubClassNum;
+	/** The protocol number. */
+	TInt iProtocolNum;
+	/** Reserved for future use. */
+	TUint32 iReserved;
+	};
+
+
+/** The Ep0 Setup request 'unsubscribe' flag; used by
+	TUsbcInterfaceInfo::iFeatureWord. When this bit is set then valid vendor-
+	or class-specific Ep0 requests addressed to this interface or any of its
+	endpoints will be stalled by the USB PDD PIL.
+
+	@see TUsbcInterfaceInfo
+*/
+const TUint KUsbcInterfaceInfo_NoEp0RequestsPlease = 0x00000001;
+
+#include <d32usbcshared.inl>
+
+#endif 
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