control.c

VIA VT6656 USB linux source code.

/*
 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 * All rights reserved.
 *
 * This software is copyrighted by and is the sole property of
 * VIA Networking Technologies, Inc. This software may only be used
 * in accordance with the corresponding license agreement. Any unauthorized
 * use, duplication, transmission, distribution, or disclosure of this
 * software is expressly forbidden.
 *
 * This software is provided by VIA Networking Technologies, Inc. "as is"
 * and any express or implied warranties, including, but not limited to, the
 * implied warranties of merchantability and fitness for a particular purpose
 * are disclaimed. In no event shall VIA Networking Technologies, Inc.
 * be liable for any direct, indirect, incidental, special, exemplary, or
 * consequential damages.
 *
 *
 * File: control.c
 *
 * Purpose: Handle USB control endpoint
 *
 * Author: Jerry Chen
 *
 * Date: Apr. 5, 2004
 *
 * Functions:
 *      CONTROLnsRequestOut - Write variable length bytes to MEM/BB/MAC/EEPROM
 *      CONTROLnsRequestIn - Read variable length bytes from MEM/BB/MAC/EEPROM
 *      ControlvWriteByte - Write one byte to MEM/BB/MAC/EEPROM
 *      ControlvReadByte - Read one byte from MEM/BB/MAC/EEPROM
 *      ControlvMaskByte - Read one byte from MEM/BB/MAC/EEPROM and clear/set some bits in the same address
 *
 * Revision History:
 *      04-05-2004 Jerry Chen:  Initial release
 *      11-24-2004 Warren Hsu: Add ControlvWriteByte,ControlvReadByte,ControlvMaskByte
 *
 */

#if !defined(__CONTROL_H__)
#include "control.h"
#endif
#if !defined(__UMEM_H__)
#include "umem.h"
#endif
#if !defined(__RNDIS_H__)
#include "rndis.h"
#endif

/*---------------------  Static Definitions -------------------------*/
//static int          msglevel                =MSG_LEVEL_INFO;
//static int          msglevel                =MSG_LEVEL_DEBUG;
/*---------------------  Static Classes  ----------------------------*/

/*---------------------  Static Variables  --------------------------*/

/*---------------------  Static Functions  --------------------------*/

/*---------------------  Export Variables  --------------------------*/

/*---------------------  Export Functions  --------------------------*/


void ControlvWriteByte(PSDevice pDevice, BYTE byRegType, BYTE byRegOfs, BYTE byData)
{
BYTE            byData1;

    byData1 = byData;
    
    CONTROLnsRequestOut(pDevice,
                        MESSAGE_TYPE_WRITE,
                        byRegOfs,
                        byRegType,
                        1,
                        &byData1
                        );
    
}


void ControlvReadByte(PSDevice pDevice, BYTE byRegType, BYTE byRegOfs, PBYTE pbyData)
{
NTSTATUS        ntStatus;
BYTE            byData1;


    ntStatus = CONTROLnsRequestIn(pDevice, 
                                    MESSAGE_TYPE_READ,
                                    byRegOfs,
                                    byRegType,
                                    1,
                                    &byData1);

    *pbyData = byData1;
    
}



void ControlvMaskByte(PSDevice pDevice, BYTE byRegType, BYTE byRegOfs, BYTE byMask, BYTE byData)
{
BYTE            pbyData[2];

    pbyData[0] = byData;
    pbyData[1] = byMask;
    
    CONTROLnsRequestOut(pDevice,
                        MESSAGE_TYPE_WRITE_MASK,
                        byRegOfs,
                        byRegType,
                        2,
                        pbyData
                        );
    
}