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(struct vnt_private *pDevice, u8 reg, u8 reg_off,
  60                         u8 data)
  61 {
  62
  63         CONTROLnsRequestOut(pDevice, MESSAGE_TYPE_WRITE, reg_off, reg,
  64                 sizeof(u8), &data);
  65
  66         return;
  67 }
  68
  69 void ControlvReadByte(struct vnt_private *pDevice, u8 reg, u8 reg_off,
  70                         u8 *data)
  71 {
  72         CONTROLnsRequestIn(pDevice, MESSAGE_TYPE_READ,
  73                         reg_off, reg, sizeof(u8), data);
  74         return;
  75 }
  76
  77 void ControlvMaskByte(struct vnt_private *pDevice, u8 reg_type, u8 reg_off,
  78                         u8 reg_mask, u8 data)
  79 {
  80         u8 reg_data[2];
  81
  82         reg_data[0] = data;
  83         reg_data[1] = reg_mask;
  84
  85         CONTROLnsRequestOut(pDevice, MESSAGE_TYPE_WRITE_MASK, reg_off,
  86                         reg_type, ARRAY_SIZE(reg_data), reg_data);
  87
  88         return;
  89 }