drivers/staging/vt6656/control.c

   1 /*
   2  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  *
  20  * File: control.c
  21  *
  22  * Purpose: Handle USB control endpoint
  23  *
  24  * Author: Jerry Chen
  25  *
  26  * Date: Apr. 5, 2004
  27  *
  28  * Functions:
  29  *      CONTROLnsRequestOut - Write variable length bytes to MEM/BB/MAC/EEPROM
  30  *      CONTROLnsRequestIn - Read variable length bytes from MEM/BB/MAC/EEPROM
  31  *      ControlvWriteByte - Write one byte to MEM/BB/MAC/EEPROM
  32  *      ControlvReadByte - Read one byte from MEM/BB/MAC/EEPROM
  33  *      ControlvMaskByte - Read one byte from MEM/BB/MAC/EEPROM and clear/set some bits in the same address
  34  *
  35  * Revision History:
  36  *      04-05-2004 Jerry Chen:  Initial release
  37  *      11-24-2004 Warren Hsu: Add ControlvWriteByte,ControlvReadByte,ControlvMaskByte
  38  *
  39  */
  40
  41 #include "control.h"
  42 #include "rndis.h"
  43
  44 /*---------------------  Static Definitions -------------------------*/
  45 //static int          msglevel                =MSG_LEVEL_INFO;
  46 //static int          msglevel                =MSG_LEVEL_DEBUG;
  47 /*---------------------  Static Classes  ----------------------------*/
  48
  49 /*---------------------  Static Variables  --------------------------*/
  50
  51 /*---------------------  Static Functions  --------------------------*/
  52
  53 /*---------------------  Export Variables  --------------------------*/
  54
  55 /*---------------------  Export Functions  --------------------------*/
  56
  57
  58 void ControlvWriteByte(PSDevice pDevice, BYTE byRegType, BYTE byRegOfs, BYTE byData)
  59 {
  60 BYTE            byData1;
  61
  62     byData1 = byData;
  63
  64     CONTROLnsRequestOut(pDevice,
  65                         MESSAGE_TYPE_WRITE,
  66                         byRegOfs,
  67                         byRegType,
  68                         1,
  69                         &byData1
  70                         );
  71
  72 }
  73
  74
  75 void ControlvReadByte(PSDevice pDevice, BYTE byRegType, BYTE byRegOfs, PBYTE pbyData)
  76 {
  77 NTSTATUS        ntStatus;
  78 BYTE            byData1;
  79
  80
  81     ntStatus = CONTROLnsRequestIn(pDevice,
  82                                     MESSAGE_TYPE_READ,
  83                                     byRegOfs,
  84                                     byRegType,
  85                                     1,
  86                                     &byData1);
  87
  88     *pbyData = byData1;
  89
  90 }
  91
  92
  93
  94 void ControlvMaskByte(PSDevice pDevice, BYTE byRegType, BYTE byRegOfs, BYTE byMask, BYTE byData)
  95 {
  96 BYTE            pbyData[2];
  97
  98     pbyData[0] = byData;
  99     pbyData[1] = byMask;
 100
 101     CONTROLnsRequestOut(pDevice,
 102                         MESSAGE_TYPE_WRITE_MASK,
 103                         byRegOfs,
 104                         byRegType,
 105                         2,
 106                         pbyData
 107                         );
 108
 109 }