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Annotation of XNU/iokit/IOKit/adb/IOADBController.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  * 18 June 1998 sdouglas   Start IOKit version.
        !            24:  * 12 Nov  1998 suurballe  Port objc protocol to c++ abstract class.
        !            25:  */
        !            26: #ifndef _IOKIT_ADBCONTROLLER_H
        !            27: #define _IOKIT_ADBCONTROLLER_H
        !            28: 
        !            29: #include <IOKit/IOService.h>
        !            30: #include <IOKit/adb/adb.h>
        !            31: #include <IOKit/adb/IOADBBus.h>
        !            32: 
        !            33: // referenced in subclasses:
        !            34: void autopollHandler ( IOService *, UInt8, IOByteCount, UInt8 * );
        !            35: 
        !            36: class IOADBDevice;
        !            37: 
        !            38: /*
        !            39:  * Results
        !            40:  */
        !            41: 
        !            42: #define ADB_RET_OK                     0   /* Successful */
        !            43: #define ADB_RET_INUSE                  1   /* ADB Device in use */
        !            44: #define ADB_RET_NOTPRESENT             2   /* ADB Device not present */
        !            45: #define ADB_RET_TIMEOUT                3   /* ADB Timeout  */
        !            46: #define ADB_RET_UNEXPECTED_RESULT      4   /* Unknown result */
        !            47: #define ADB_RET_REQUEST_ERROR          5   /* Packet Request Error */
        !            48: #define ADB_RET_BUS_ERROR              6   /* ADB Bus Error */
        !            49: 
        !            50: class IOADBController: public IOADBBus
        !            51: {
        !            52: OSDeclareAbstractStructors(IOADBController)
        !            53: 
        !            54: public:
        !            55: 
        !            56:     bool start ( IOService * nub );
        !            57:     IOReturn setOwner ( void * device, IOService * client, ADB_callback_func handler );
        !            58:     virtual IOReturn claimDevice ( unsigned long, IOService *, ADB_callback_func );
        !            59:     virtual IOReturn releaseDevice ( unsigned long );
        !            60:     virtual IOReturn readDeviceForUser(unsigned long, unsigned long, UInt8 *, IOByteCount *);
        !            61:     virtual IOReturn writeDeviceForUser(unsigned long, unsigned long, UInt8 *, IOByteCount *);
        !            62:     virtual IOReturn setAutoPollPeriod (int microseconds) = 0;
        !            63:     virtual IOReturn getAutoPollPeriod (int * microseconds) = 0;
        !            64:     virtual IOReturn setAutoPollList(UInt16 activeAddressMask) = 0;
        !            65:     virtual IOReturn getAutoPollList(UInt16 * activeAddressMask) = 0;
        !            66:     virtual IOReturn setAutoPollEnable(bool enable) = 0;
        !            67:     virtual IOReturn resetBus(void) = 0;
        !            68:     virtual IOReturn flushDevice(IOADBAddress address) = 0;
        !            69:     virtual IOReturn readFromDevice(IOADBAddress address, IOADBRegister adbRegister,
        !            70:                                     UInt8 * data, IOByteCount * length) = 0;
        !            71:     virtual IOReturn writeToDevice(IOADBAddress address, IOADBRegister adbRegister,
        !            72:                                    UInt8 * data, IOByteCount * length) = 0;
        !            73:     void packet ( UInt8 * data, IOByteCount length, UInt8 adbCommand );
        !            74: 
        !            75:     IOReturn flush ( ADBDeviceControl * busRef );
        !            76:     IOReturn readRegister ( ADBDeviceControl * busRef, IOADBRegister adbRegister,
        !            77:                             UInt8 * data, IOByteCount * length );
        !            78:     IOReturn writeRegister ( ADBDeviceControl * busRef, IOADBRegister adbRegister,
        !            79:                              UInt8 * data, IOByteCount * length );
        !            80:     IOADBAddress address ( ADBDeviceControl * busRef );
        !            81:     IOADBAddress defaultAddress ( ADBDeviceControl * busRef );
        !            82:     UInt8 handlerID ( ADBDeviceControl * busRef );
        !            83:     UInt8 defaultHandlerID ( ADBDeviceControl * busRef );
        !            84:     IOReturn setHandlerID ( ADBDeviceControl * busRef, UInt8 handlerID );
        !            85:     bool matchNubWithPropertyTable( IOService * device, OSDictionary *  propertyTable );
        !            86:     IOReturn newUserClient(  task_t,  void *, UInt32, IOUserClient ** );
        !            87: 
        !            88: IOReturn clearOwner ( void * );
        !            89: 
        !            90: private:
        !            91:     
        !            92:     bool               claimed_devices[16];            // true if a device has been claimed by user
        !            93: 
        !            94:     IOReturn probeBus ( void );
        !            95:     bool probeAddress ( IOADBAddress addr );
        !            96:     bool moveDeviceFrom ( IOADBAddress from, IOADBAddress to, bool check );
        !            97:     unsigned int firstBit ( unsigned int mask );
        !            98:     int getURLComponentUnit ( IOService * device, char * path, int maxLen );
        !            99: };
        !           100: 
        !           101: #endif /* ! _IOKIT_ADBCONTROLLER_H */

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