Annotation of kernel/bsd/dev/ppc/drvUSBCMD/kbd/KeyboardModuleHeader.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /*
        !            26:        File:           KeyboardModuleHeader.c
        !            27: 
        !            28:        Contains:       Keyboard Module Header file
        !            29: 
        !            30:        Version:        xxx put version here xxx
        !            31: 
        !            32:        Copyright:      � 1997-1998 by Apple Computer, Inc., all rights reserved.
        !            33: 
        !            34:        File Ownership:
        !            35: 
        !            36:                DRI:                            Craig Keithley
        !            37: 
        !            38:                Other Contact:          xxx put other contact here xxx
        !            39: 
        !            40:                Technology:                     xxx put technology here xxx
        !            41: 
        !            42:        Writers:
        !            43: 
        !            44:                (TC)    Tom Clark
        !            45:                (CJK)   Craig Keithley
        !            46: 
        !            47:        Change History (most recent first):
        !            48: 
        !            49:         <USB12>         6/17/98        CJK             add pipe abort in finalize
        !            50:         <USB11>         6/11/98        CJK             change display of status to display of interfaceRef (in finalize
        !            51:                                                                        routine)
        !            52:         <USB10>         6/11/98        CJK             investigate interface driver load time call of routines
        !            53:          <USB9>          6/8/98        CJK             deallocation of full configuration structure
        !            54:          <USB8>         5/20/98        CJK             change target name from USBKeyboardModule to
        !            55:                                                                        USBHIDKeyboardModule
        !            56:          <USB7>         4/27/98        TC              Implement a USBDriverLoadingOption to enforce protocol matching.
        !            57:          <USB6>          4/9/98        CJK             remove include of USBDeviceDefines.h
        !            58:                 <5>     3/17/98        CJK             fix pragma unuseds (MW needs parens around the variable name).
        !            59:                 <4>      3/5/98        CJK             use version info defined in KeyboardModuleVersion.h
        !            60:                 <3>      3/2/98        CJK             remove include of KBDHIDEmulation.h
        !            61:                 <2>     2/10/98        CJK             Correct change history (to reflect the keyboard module changes)
        !            62:                 <1>     2/10/98        CJK             First time check in.  Cloned from Mouse HID Module.
        !            63: */
        !            64: 
        !            65: //#include <Types.h>
        !            66: //#include <Devices.h>
        !            67: #include "../driverservices.h"
        !            68: #include "../USB.h"
        !            69: 
        !            70: #include "KeyboardModule.h"
        !            71: #include "KeyboardModuleVersion.h"
        !            72: 
        !            73: static         OSStatus        KeyboardModuleInitialize (USBDeviceRef device, USBDeviceDescriptorPtr pDesc, UInt32 busPowerAvailable);
        !            74: static         OSStatus        KeyboardModuleFinalize(USBDeviceRef device, USBDeviceDescriptorPtr pDesc);
        !            75: static         OSStatus        KeyboardInterfaceInitialize (UInt32 interfacenum, USBInterfaceDescriptorPtr pInterface, USBDeviceDescriptorPtr pDesc, USBDeviceRef device);
        !            76: 
        !            77: extern usbKeyboardPBStruct myKeyboardPB;
        !            78: 
        !            79: //------------------------------------------------------
        !            80: //
        !            81: //     This is the driver description structure that the expert looks for first.
        !            82: //  If it's here, the information within is used to match the driver
        !            83: //  to the device whose descriptor was passed to the expert.
        !            84: //     Information in this block is also used by the expert when an
        !            85: //  entry is created in the Name Registry.
        !            86: //
        !            87: //------------------------------------------------------
        !            88: USBDriverDescription   TheUSBDriverDescription = 
        !            89: {
        !            90:        // Signature info
        !            91:        kTheUSBDriverDescriptionSignature,
        !            92:        kInitialUSBDriverDescriptor,
        !            93:        
        !            94:        // Device Info
        !            95:        0,                                                                              // vendor = not device specific
        !            96:        0,                                                                              // product = not device specific
        !            97:        0,                                                                              // version of product = not device specific
        !            98:        kUSBKeyboardInterfaceProtocol,                          // protocol = not device specific
        !            99:        
        !           100:        // Interface Info       (* I don't think this would always be required...*)                             
        !           101:        0,                                                                              // Configuration Value
        !           102:        0,                                                                              // Interface Number
        !           103:        kUSBHIDInterfaceClass,                                  // Interface Class
        !           104:        kUSBBootInterfaceSubClass,                              // Interface SubClass
        !           105:        kUSBKeyboardInterfaceProtocol,                          // Interface Protocol
        !           106:                
        !           107:        
        !           108:        // Driver Info
        !           109:        "USBHIDKeyboardModule",                         // Driver name for Name Registry
        !           110:        kUSBHIDInterfaceClass,                                  // Device Class  (from USBDeviceDefines.h)
        !           111:        kUSBBootInterfaceSubClass,                              // Device Subclass 
        !           112:        kKBDHexMajorVers, 
        !           113:        kKBDHexMinorVers, 
        !           114:        kKBDCurrentRelease, 
        !           115:        kKBDReleaseStage,                                               // version of driver
        !           116:        
        !           117:        // Driver Loading Info
        !           118:        kUSBProtocolMustMatch                                   // Flags 
        !           119: };
        !           120: /*naga
        !           121: USBClassDriverPluginDispatchTable TheClassDriverPluginDispatchTable =
        !           122: {
        !           123:        kClassDriverPluginVersion,                              // Version of this structure
        !           124:        0,                                                                              // Hardware Validation Procedure
        !           125:        KeyboardModuleInitialize,                                       // Initialization Procedure
        !           126:        KeyboardInterfaceInitialize,                            // Interface Initialization Procedure
        !           127:        KeyboardModuleFinalize,                                 // Finalization Procedure
        !           128:        0,                                                                              // Driver Notification Procedure
        !           129: };
        !           130:        
        !           131: */
        !           132:        
        !           133: // Initialization function
        !           134: // Called upon load by Expert
        !           135: static         OSStatus        KeyboardModuleInitialize (USBDeviceRef device, USBDeviceDescriptorPtr pDesc, UInt32 busPowerAvailable)
        !           136: {
        !           137: #pragma unused (busPowerAvailable)
        !           138: #pragma unused (pDesc)
        !           139:        USBExpertStatus(device, "USBHIDKeyboardModule: Entered via KeyboardModuleInitialize", device);
        !           140:        return (OSStatus)noErr;
        !           141: }
        !           142: 
        !           143: // Interface Initialization Initialization function
        !           144: // Called upon load by Expert
        !           145: static         OSStatus        KeyboardInterfaceInitialize (UInt32 interfacenum, USBInterfaceDescriptorPtr pInterface, USBDeviceDescriptorPtr pDesc, USBDeviceRef device)
        !           146: {
        !           147:        InterfaceEntry(interfacenum, pInterface, pDesc, device);
        !           148:        return (OSStatus)noErr;
        !           149: }
        !           150: 
        !           151: 
        !           152: 
        !           153: // Termination function
        !           154: // Called by Expert when driver is being shut down
        !           155: static OSStatus KeyboardModuleFinalize(USBDeviceRef theDeviceRef, USBDeviceDescriptorPtr pDesc)
        !           156: {
        !           157: #pragma unused (pDesc)
        !           158: 
        !           159: OSStatus myErr;
        !           160: 
        !           161:        USBExpertStatus(theDeviceRef, "USBHIDKeyboardModule: Finalize", theDeviceRef);
        !           162:        if (myKeyboardPB.pFullConfigDescriptor != nil)
        !           163:        {
        !           164:                if (myKeyboardPB.pipeRef)
        !           165:                {
        !           166:                        USBExpertStatus(theDeviceRef, "USBHIDKeyboardModule: Aborting interrupt pipe", theDeviceRef);
        !           167:                        USBAbortPipeByReference(myKeyboardPB.pipeRef);
        !           168:                }
        !           169:                        
        !           170:                myKeyboardPB.pb.usbReference = theDeviceRef;
        !           171:                myKeyboardPB.pb.pbVersion = kUSBCurrentPBVersion;
        !           172:                myKeyboardPB.pb.usbFlags = 0;
        !           173:                myKeyboardPB.pb.usbRefcon = 0;                  
        !           174:                myKeyboardPB.pb.usbBuffer = myKeyboardPB.pFullConfigDescriptor;         
        !           175:                myKeyboardPB.pb.usbCompletion = (USBCompletion)-1;
        !           176:                
        !           177:                myErr = USBDeallocMem(&myKeyboardPB.pb);
        !           178:        };
        !           179:        return (OSStatus)noErr;
        !           180: }
        !           181: 

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