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
  34  *                              some bits in the same address
  35  *
  36  * Revision History:
  37  *      04-05-2004 Jerry Chen:  Initial release
  38  *      11-24-2004 Warren Hsu: Add ControlvWriteByte, ControlvReadByte,
  39  *                                      ControlvMaskByte
  40  *
  41  */
  42
  43 #include "control.h"
  44 #include "rndis.h"
  45
  46 /*---------------------  Static Definitions -------------------------*/
  47 /* static int          msglevel                =MSG_LEVEL_INFO;  */
  48 /* static int          msglevel                =MSG_LEVEL_DEBUG; */
  49 /*---------------------  Static Classes  ----------------------------*/
  50
  51 /*---------------------  Static Variables  --------------------------*/
  52
  53 /*---------------------  Static Functions  --------------------------*/
  54
  55 /*---------------------  Export Variables  --------------------------*/
  56
  57 /*---------------------  Export Functions  --------------------------*/
  58
  59 void ControlvWriteByte(PSDevice pDevice, BYTE byRegType, BYTE byRegOfs,
  60                         BYTE byData)
  61 {
  62         BYTE    byData1;
  63         byData1 = byData;
  64         CONTROLnsRequestOut(pDevice,
  65                 MESSAGE_TYPE_WRITE,
  66                 byRegOfs,
  67                 byRegType,
  68                 1,
  69                 &byData1);
  70 }
  71
  72 void ControlvReadByte(PSDevice pDevice, BYTE byRegType, BYTE byRegOfs,
  73                         PBYTE pbyData)
  74 {
  75         int ntStatus;
  76         BYTE    byData1;
  77         ntStatus = CONTROLnsRequestIn(pDevice,
  78                                         MESSAGE_TYPE_READ,
  79                                         byRegOfs,
  80                                         byRegType,
  81                                         1,
  82                                         &byData1);
  83         *pbyData = byData1;
  84 }
  85
  86 void ControlvMaskByte(PSDevice pDevice, BYTE byRegType, BYTE byRegOfs,
  87                         BYTE byMask, BYTE byData)
  88 {
  89         BYTE    pbyData[2];
  90         pbyData[0] = byData;
  91         pbyData[1] = byMask;
  92         CONTROLnsRequestOut(pDevice,
  93                                 MESSAGE_TYPE_WRITE_MASK,
  94                                 byRegOfs,
  95                                 byRegType,
  96                                 2,
  97                                 pbyData);
  98 }