drivers/staging/vt6656/control.c

/*
 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 *
 * 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
 *
 */

#include "control.h"
#include "rndis.h"

/*---------------------  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)
{
	int 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);
}