author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 16:34:26 +0300 | |
branch | RCL_3 |
changeset 256 | c1f20ce4abcf |
parent 0 | a41df078684a |
child 257 | 3e88ff8f41d5 |
permissions | -rw-r--r-- |
256
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// Copyright (c) 2000-2010 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of the License "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// e32/drivers/usbcc/misc.cpp |
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// Platform independent layer (PIL) of the USB Device controller driver: |
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// Implementations of misc. classes defined in usbc.h. |
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// |
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// |
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/** |
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@file misc.cpp |
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@internalTechnology |
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*/ |
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#include <drivers/usbc.h> |
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#include "OstTraceDefinitions.h" |
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#ifdef OST_TRACE_COMPILER_IN_USE |
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#include "miscTraces.h" |
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#endif |
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/** Helper function for logical endpoints and endpoint descriptors: |
|
34 |
Split single Ep size into separate FS/HS sizes. |
|
35 |
This function modifies its arguments. |
|
36 |
*/ |
|
37 |
TInt TUsbcEndpointInfo::AdjustEpSizes(TInt& aEpSize_Fs, TInt& aEpSize_Hs) const |
|
38 |
{ |
|
39 |
if (iType == KUsbEpTypeBulk) |
|
40 |
{ |
|
41 |
// FS: [8|16|32|64] HS: 512 |
|
42 |
if (iSize < 64) |
|
43 |
{ |
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aEpSize_Fs = iSize; |
|
45 |
} |
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46 |
else |
|
47 |
{ |
|
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aEpSize_Fs = 64; |
|
49 |
} |
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aEpSize_Hs = 512; |
|
51 |
} |
|
52 |
else if (iType == KUsbEpTypeInterrupt) |
|
53 |
{ |
|
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// FS: [0..64] HS: [0..1024] |
|
55 |
if (iSize < 64) |
|
56 |
{ |
|
57 |
aEpSize_Fs = iSize; |
|
58 |
} |
|
59 |
else |
|
60 |
{ |
|
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aEpSize_Fs = 64; |
|
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} |
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aEpSize_Hs = iSize; |
|
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} |
|
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else if (iType == KUsbEpTypeIsochronous) |
|
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{ |
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// FS: [0..1023] HS: [0..1024] |
|
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if (iSize < 1023) |
|
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{ |
|
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aEpSize_Fs = iSize; |
|
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} |
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else |
|
73 |
{ |
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aEpSize_Fs = 1023; |
|
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} |
|
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aEpSize_Hs = iSize; |
|
77 |
} |
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else if (iType == KUsbEpTypeControl) |
|
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{ |
|
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// FS: [8|16|32|64] HS: 64 |
|
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if (iSize < 64) |
|
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{ |
|
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aEpSize_Fs = iSize; |
|
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} |
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else |
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{ |
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aEpSize_Fs = 64; |
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} |
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aEpSize_Hs = 64; |
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} |
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else |
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{ |
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aEpSize_Fs = aEpSize_Hs = 0; |
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return KErrGeneral; |
|
95 |
} |
|
96 |
||
97 |
// For the reason of the following checks see Table 9-14. "Allowed wMaxPacketSize |
|
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// Values for Different Numbers of Transactions per Microframe". |
|
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if ((iType == KUsbEpTypeInterrupt) || (iType == KUsbEpTypeIsochronous)) |
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{ |
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if (iTransactions == 1) |
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{ |
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if (aEpSize_Hs < 513) |
|
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{ |
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OstTraceDef1( OST_TRACE_CATEGORY_RND, TRACE_FATAL, TUSBCENDPOINTINFO_ADJUSTEPSIZES, |
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" Warning: Ep size too small: %d < 513. Correcting...", aEpSize_Hs ); |
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aEpSize_Hs = 513; |
108 |
} |
|
109 |
} |
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else if (iTransactions == 2) |
|
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{ |
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if (aEpSize_Hs < 683) |
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{ |
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OstTraceDef1( OST_TRACE_CATEGORY_RND, TRACE_FATAL, TUSBCENDPOINTINFO_ADJUSTEPSIZES_DUP1, |
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" Warning: Ep size too small: %d < 683. Correcting...", aEpSize_Hs ); |
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aEpSize_Hs = 683; |
117 |
} |
|
118 |
} |
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119 |
} |
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return KErrNone; |
|
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} |
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||
123 |
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/** Helper function for logical endpoints and endpoint descriptors: |
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If not set, assign a valid and meaningful value to iInterval_Hs, deriving from iInterval. |
|
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This function modifies the objects's data member(s). |
|
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*/ |
|
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TInt TUsbcEndpointInfo::AdjustPollInterval() |
|
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{ |
|
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if (iInterval_Hs != -1) |
|
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{ |
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// Already done. |
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return KErrNone; |
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} |
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if ((iType == KUsbEpTypeBulk) || (iType == KUsbEpTypeControl)) |
|
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{ |
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// Valid range: 0..255 (maximum NAK rate). |
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// (The host controller will probably ignore this value though - |
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// see the last sentence of section 9.6.6 for details.) |
|
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iInterval_Hs = 255; |
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} |
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else if (iType == KUsbEpTypeInterrupt) |
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{ |
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// HS interval = 2^(iInterval_Hs-1) with a valid iInterval_Hs range of 1..16. |
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// The following table shows the mapping of HS values to actual intervals (and |
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// thus FS values) for the range of possible FS values (1..255). |
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// There is not always a 1:1 mapping possible, but we want at least to make sure |
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// that the HS polling interval is never longer than the FS one (except for 255). |
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// |
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// 1 = 1 |
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// 2 = 2 |
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// 3 = 4 |
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// 4 = 8 |
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// 5 = 16 |
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// 6 = 32 |
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// 7 = 64 |
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// 8 = 128 |
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// 9 = 256 |
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if (iInterval == 255) |
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iInterval_Hs = 9; |
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else if (iInterval >= 128) |
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iInterval_Hs = 8; |
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else if (iInterval >= 64) |
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iInterval_Hs = 7; |
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else if (iInterval >= 32) |
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iInterval_Hs = 6; |
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else if (iInterval >= 16) |
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iInterval_Hs = 5; |
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else if (iInterval >= 8) |
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iInterval_Hs = 4; |
|
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else if (iInterval >= 4) |
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iInterval_Hs = 3; |
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else if (iInterval >= 2) |
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iInterval_Hs = 2; |
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else if (iInterval == 1) |
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iInterval_Hs = 1; |
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else |
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{ |
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// iInterval wasn't set properly by the user |
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iInterval_Hs = 1; |
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return KErrGeneral; |
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} |
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} |
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else if (iType == KUsbEpTypeIsochronous) |
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{ |
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// Interpretation is the same for FS and HS. |
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iInterval_Hs = iInterval; |
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} |
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else |
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{ |
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// '1' is a valid value for all endpoint types... |
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iInterval_Hs = 1; |
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return KErrGeneral; |
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} |
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return KErrNone; |
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} |
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198 |
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TUsbcPhysicalEndpoint::TUsbcPhysicalEndpoint() |
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: iEndpointAddr(0), iIfcNumber(NULL), iLEndpoint(NULL), iSettingReserve(EFalse), iHalt(EFalse) |
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{ |
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OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_FLOW, TUSBCPHYSICALENDPOINT_TUSBCPHYSICALENDPOINT_CONS, |
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"TUsbcPhysicalEndpoint::TUsbcPhysicalEndpoint()" ); |
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} |
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TInt TUsbcPhysicalEndpoint::TypeAvailable(TUint aType) const |
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{ |
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OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_FLOW, TUSBCPHYSICALENDPOINT_TYPEAVAILABLE, |
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"TUsbcPhysicalEndpoint::TypeAvailable" ); |
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switch (aType) |
212 |
{ |
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case KUsbEpTypeControl: |
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return (iCaps.iTypesAndDir & KUsbEpTypeControl); |
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case KUsbEpTypeIsochronous: |
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return (iCaps.iTypesAndDir & KUsbEpTypeIsochronous); |
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case KUsbEpTypeBulk: |
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return (iCaps.iTypesAndDir & KUsbEpTypeBulk); |
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case KUsbEpTypeInterrupt: |
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return (iCaps.iTypesAndDir & KUsbEpTypeInterrupt); |
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default: |
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OstTraceDef1( OST_TRACE_CATEGORY_RND, TRACE_FATAL, TUSBCPHYSICALENDPOINT_TYPEAVAILABLE_DUP1, |
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" Error: invalid EP type: %d", aType ); |
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return 0; |
225 |
} |
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} |
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TInt TUsbcPhysicalEndpoint::DirAvailable(TUint aDir) const |
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{ |
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OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_FLOW, TUSBCPHYSICALENDPOINT_DIRAVAILABLE, |
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"TUsbcPhysicalEndpoint::DirAvailable" ); |
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switch (aDir) |
234 |
{ |
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case KUsbEpDirIn: |
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return (iCaps.iTypesAndDir & KUsbEpDirIn); |
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case KUsbEpDirOut: |
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return (iCaps.iTypesAndDir & KUsbEpDirOut); |
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default: |
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OstTraceDef1( OST_TRACE_CATEGORY_RND, TRACE_FATAL, TUSBCPHYSICALENDPOINT_DIRAVAILABLE_DUP1, |
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" Error: invalid EP direction: %d", aDir ); |
0 | 242 |
return 0; |
243 |
} |
|
244 |
} |
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245 |
||
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||
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TInt TUsbcPhysicalEndpoint::EndpointSuitable(const TUsbcEndpointInfo* aEpInfo, TInt aIfcNumber) const |
|
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{ |
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OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_FLOW, TUSBCPHYSICALENDPOINT_ENDPOINTSUITABLE, |
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250 |
"TUsbcPhysicalEndpoint::EndpointSuitable" ); |
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OstTraceDefExt4( OST_TRACE_CATEGORY_RND, TRACE_NORMAL, TUSBCPHYSICALENDPOINT_ENDPOINTSUITABLE_DUP1, |
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" looking for EP: type=0x%x dir=0x%x size=%d (ifc_num=%d)", |
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253 |
aEpInfo->iType, aEpInfo->iDir, aEpInfo->iSize, aIfcNumber ); |
0 | 254 |
if (iSettingReserve) |
255 |
{ |
|
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OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_NORMAL, TUSBCPHYSICALENDPOINT_ENDPOINTSUITABLE_DUP2, |
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257 |
" -> setting conflict" ); |
0 | 258 |
return 0; |
259 |
} |
|
260 |
// (aIfcNumber == -1) means the ep is for a new default interface setting |
|
261 |
else if (iIfcNumber && (*iIfcNumber != aIfcNumber)) |
|
262 |
{ |
|
263 |
// If this endpoint has already been claimed (iIfcNumber != NULL), |
|
264 |
// but by a different interface(-set) than the currently looking one |
|
265 |
// (*iIfcNumber != aIfcNumber), then it's not available. |
|
266 |
// This works because we can assign the same physical endpoint |
|
267 |
// to different alternate settings of the *same* interface, and |
|
268 |
// because we check for available endpoints for every alternate setting |
|
269 |
// as a whole. |
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OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_NORMAL, TUSBCPHYSICALENDPOINT_ENDPOINTSUITABLE_DUP3, |
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|
271 |
" -> ifc conflict" ); |
0 | 272 |
return 0; |
273 |
} |
|
274 |
else if (!TypeAvailable(aEpInfo->iType)) |
|
275 |
{ |
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OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_NORMAL, TUSBCPHYSICALENDPOINT_ENDPOINTSUITABLE_DUP4, |
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277 |
" -> type conflict" ); |
0 | 278 |
return 0; |
279 |
} |
|
280 |
else if (!DirAvailable(aEpInfo->iDir)) |
|
281 |
{ |
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OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_NORMAL, TUSBCPHYSICALENDPOINT_ENDPOINTSUITABLE_DUP5, |
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283 |
" -> direction conflict" ); |
0 | 284 |
return 0; |
285 |
} |
|
286 |
else if (!(iCaps.iSizes & PacketSize2Mask(aEpInfo->iSize)) && !(iCaps.iSizes & KUsbEpSizeCont)) |
|
287 |
{ |
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OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_NORMAL, TUSBCPHYSICALENDPOINT_ENDPOINTSUITABLE_DUP6, |
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|
289 |
" -> size conflict" ); |
0 | 290 |
return 0; |
291 |
} |
|
292 |
else |
|
293 |
return 1; |
|
294 |
} |
|
295 |
||
296 |
||
297 |
TUsbcPhysicalEndpoint::~TUsbcPhysicalEndpoint() |
|
298 |
{ |
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OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_FLOW, TUSBCPHYSICALENDPOINT_TUSBCPHYSICALENDPOINT_DES, |
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300 |
"TUsbcPhysicalEndpoint::~TUsbcPhysicalEndpoint()" ); |
0 | 301 |
iLEndpoint = NULL; |
302 |
} |
|
303 |
||
304 |
||
305 |
TUsbcLogicalEndpoint::TUsbcLogicalEndpoint(DUsbClientController* aController, TUint aEndpointNum, |
|
306 |
const TUsbcEndpointInfo& aEpInfo, TUsbcInterface* aInterface, |
|
307 |
TUsbcPhysicalEndpoint* aPEndpoint) |
|
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: iController(aController), iLEndpointNum(aEndpointNum), iInfo(aEpInfo), iInterface(aInterface), |
|
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iPEndpoint(aPEndpoint) |
|
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{ |
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311 |
OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_FLOW, TUSBCLOGICALENDPOINT_TUSBCLOGICALENDPOINT_CONS, |
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"TUsbcLogicalEndpoint::TUsbcLogicalEndpoint()" ); |
0 | 313 |
// Adjust FS/HS endpoint sizes |
314 |
if (iInfo.AdjustEpSizes(iEpSize_Fs, iEpSize_Hs) != KErrNone) |
|
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{ |
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OstTraceDef1( OST_TRACE_CATEGORY_RND, TRACE_FATAL, TUSBCLOGICALENDPOINT_TUSBCLOGICALENDPOINT_CONS_DUP1, |
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" Error: Unknown endpoint type: %d", iInfo.iType ); |
0 | 318 |
} |
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OstTraceDefExt3( OST_TRACE_CATEGORY_RND, TRACE_NORMAL, TUSBCLOGICALENDPOINT_TUSBCLOGICALENDPOINT_CONS_DUP2, |
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" Now set: iEpSize_Fs=%d iEpSize_Hs=%d (iInfo.iSize=%d)", iEpSize_Fs, iEpSize_Hs, iInfo.iSize ); |
0 | 321 |
// Adjust HS polling interval |
322 |
if (iInfo.AdjustPollInterval() != KErrNone) |
|
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{ |
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OstTraceDefExt2( OST_TRACE_CATEGORY_RND, TRACE_FATAL, TUSBCLOGICALENDPOINT_TUSBCLOGICALENDPOINT_CONS_DUP3, |
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" Error: Unknown ep type (%d) or invalid interval value (%d)", iInfo.iType, iInfo.iInterval ); |
0 | 326 |
} |
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OstTraceDefExt2( OST_TRACE_CATEGORY_RND, TRACE_NORMAL, TUSBCLOGICALENDPOINT_TUSBCLOGICALENDPOINT_CONS_DUP4, |
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" Now set: iInfo.iInterval=%d iInfo.iInterval_Hs=%d", iInfo.iInterval, iInfo.iInterval_Hs ); |
0 | 329 |
// Additional transactions requested on a non High Bandwidth ep? |
330 |
if ((iInfo.iTransactions > 0) && !aPEndpoint->iCaps.iHighBandwidth) |
|
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{ |
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OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_FATAL, TUSBCLOGICALENDPOINT_TUSBCLOGICALENDPOINT_CONS_DUP5, |
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333 |
" Warning: Additional transactions requested but not a High Bandwidth ep" ); |
0 | 334 |
} |
335 |
} |
|
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||
337 |
||
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TUsbcLogicalEndpoint::~TUsbcLogicalEndpoint() |
|
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{ |
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OstTraceDef1( OST_TRACE_CATEGORY_RND, TRACE_NORMAL, TUSBCLOGICALENDPOINT_TUSBCLOGICALENDPOINT_DES, |
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"TUsbcLogicalEndpoint::~TUsbcLogicalEndpoint: #%d", iLEndpointNum ); |
0 | 342 |
// If the real endpoint this endpoint points to is also used by |
343 |
// any other logical endpoint in any other setting of this interface |
|
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// then we leave the real endpoint marked as used. Otherwise we mark |
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// it as available (set its ifc number pointer to NULL). |
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const TInt n = iInterface->iInterfaceSet->iInterfaces.Count(); |
|
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for (TInt i = 0; i < n; ++i) |
|
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{ |
|
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const TUsbcInterface* const ifc = iInterface->iInterfaceSet->iInterfaces[i]; |
|
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const TInt m = ifc->iEndpoints.Count(); |
|
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for (TInt j = 0; j < m; ++j) |
|
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{ |
|
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const TUsbcLogicalEndpoint* const ep = ifc->iEndpoints[j]; |
|
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if ((ep->iPEndpoint == iPEndpoint) && (ep != this)) |
|
355 |
{ |
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|
356 |
OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_NORMAL, TUSBCLOGICALENDPOINT_TUSBCLOGICALENDPOINT_DES_DUP1, |
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|
357 |
" Physical endpoint still in use -> we leave it as is" ); |
0 | 358 |
return; |
359 |
} |
|
360 |
} |
|
361 |
} |
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|
362 |
OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_NORMAL, TUSBCLOGICALENDPOINT_TUSBCLOGICALENDPOINT_DES_DUP2, |
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|
363 |
" Closing DMA channel" ); |
0 | 364 |
const TInt idx = iController->EpAddr2Idx(iPEndpoint->iEndpointAddr); |
365 |
// If the endpoint doesn't support DMA (now or ever) the next operation will be a no-op. |
|
366 |
iController->CloseDmaChannel(idx); |
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|
367 |
OstTraceDefExt2( OST_TRACE_CATEGORY_RND, TRACE_NORMAL, TUSBCLOGICALENDPOINT_TUSBCLOGICALENDPOINT_DES_DUP3, |
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|
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" Setting physical ep 0x%02x ifc number to NULL (was %d)", |
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|
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iPEndpoint->iEndpointAddr, *iPEndpoint->iIfcNumber ); |
0 | 370 |
iPEndpoint->iIfcNumber = NULL; |
371 |
} |
|
372 |
||
373 |
||
374 |
TUsbcInterface::TUsbcInterface(TUsbcInterfaceSet* aIfcSet, TUint8 aSetting, TBool aNoEp0Requests) |
|
375 |
: iEndpoints(2), iInterfaceSet(aIfcSet), iSettingCode(aSetting), iNoEp0Requests(aNoEp0Requests) |
|
376 |
{ |
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|
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OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_FLOW, TUSBCINTERFACE_TUSBCINTERFACE_CONS, |
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|
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"TUsbcInterface::TUsbcInterface()" ); |
0 | 379 |
} |
380 |
||
381 |
||
382 |
TUsbcInterface::~TUsbcInterface() |
|
383 |
{ |
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|
384 |
OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_FLOW, TUSBCINTERFACE_TUSBCINTERFACE_DES, |
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|
385 |
"TUsbcInterface::~TUsbcInterface()" ); |
0 | 386 |
iEndpoints.ResetAndDestroy(); |
387 |
} |
|
388 |
||
389 |
||
390 |
TUsbcInterfaceSet::TUsbcInterfaceSet(const DBase* aClientId, TUint8 aIfcNum) |
|
391 |
: iInterfaces(2), iClientId(aClientId), iInterfaceNumber(aIfcNum), iCurrentInterface(0) |
|
392 |
{ |
|
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|
393 |
OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_FLOW, TUSBCINTERFACESET_TUSBCINTERFACESET_CONS, |
c1f20ce4abcf
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|
394 |
"TUsbcInterfaceSet::TUsbcInterfaceSet()" ); |
0 | 395 |
} |
396 |
||
397 |
||
398 |
TUsbcInterfaceSet::~TUsbcInterfaceSet() |
|
399 |
{ |
|
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|
400 |
OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_FLOW, TUSBCINTERFACESET_TUSBCINTERFACESET_DES, |
c1f20ce4abcf
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|
401 |
"TUsbcInterfaceSet::~TUsbcInterfaceSet()" ); |
0 | 402 |
iInterfaces.ResetAndDestroy(); |
403 |
} |
|
404 |
||
405 |
||
406 |
TUsbcConfiguration::TUsbcConfiguration(TUint8 aConfigVal) |
|
407 |
: iInterfaceSets(1), iConfigValue(aConfigVal) // iInterfaceSets(1): granularity |
|
408 |
{ |
|
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|
409 |
OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_FLOW, TUSBCCONFIGURATION_TUSBCCONFIGURATION_CONS, |
c1f20ce4abcf
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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changeset
|
410 |
"TUsbcConfiguration::TUsbcConfiguration()" ); |
0 | 411 |
} |
412 |
||
413 |
||
414 |
TUsbcConfiguration::~TUsbcConfiguration() |
|
415 |
{ |
|
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Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
416 |
OstTraceDef0( OST_TRACE_CATEGORY_RND, TRACE_FLOW, TUSBCCONFIGURATION_TUSBCCONFIGURATION_DES, |
c1f20ce4abcf
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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changeset
|
417 |
"TUsbcConfiguration::~TUsbcConfiguration()" ); |
0 | 418 |
iInterfaceSets.ResetAndDestroy(); |
419 |
} |
|
420 |
||
421 |
||
422 |
_LIT(KDriverName, "Usbcc"); |
|
423 |
||
424 |
DUsbcPowerHandler::DUsbcPowerHandler(DUsbClientController* aController) |
|
425 |
: DPowerHandler(KDriverName), iController(aController) |
|
426 |
{} |
|
427 |
||
428 |
||
429 |
void DUsbcPowerHandler::PowerUp() |
|
430 |
{ |
|
431 |
if (iController) |
|
432 |
iController->iPowerUpDfc.Enque(); |
|
433 |
} |
|
434 |
||
435 |
||
436 |
void DUsbcPowerHandler::PowerDown(TPowerState) |
|
437 |
{ |
|
438 |
if (iController) |
|
439 |
iController->iPowerDownDfc.Enque(); |
|
440 |
} |
|
441 |
||
442 |
||
443 |
// -eof- |