source: mainline/uspace/srv/hw/netif/dp8390/ne2000.h@ 66b628a

/*
 * Copyright (c) 2009 Lukas Mejdrech
 * Copyright (c) 2011 Martin Decky
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * This code is based upon the NE2000 driver for MINIX,
 * distributed according to a BSD-style license.
 *
 * Copyright (c) 1987, 1997, 2006 Vrije Universiteit
 * Copyright (c) 1992, 1994 Philip Homburg
 * Copyright (c) 1996 G. Falzoni
 *
 */

/** @addtogroup ne2k
 *  @{
 */

/** @file
 *  NE1000 and NE2000 network interface definitions.
 */

#ifndef __NET_NETIF_NE2000_H__
#define __NET_NETIF_NE2000_H__

#include <libarch/ddi.h>
#include "dp8390_port.h"

/** DP8390 register offset.
 */
#define NE_DP8390  0x00

/** Data register.
 */
#define NE_DATA  0x10

/** Reset register.
 */
#define NE_RESET  0x1f

/** NE1000 data start.
 */
#define NE1000_START  0x2000

/** NE1000 data size.
 */
#define NE1000_SIZE  0x2000

/** NE2000 data start.
 */
#define NE2000_START  0x4000

/** NE2000 data size.
 */
#define NE2000_SIZE  0x4000

/** Reads 1 byte register.
 *  @param[in] dep The network interface structure.
 *  @param[in] reg The register offset.
 *  @returns The read value.
 */
#define inb_ne(dep, reg)  (inb(dep->de_base_port + reg))

/** Writes 1 byte register.
 *  @param[in] dep The network interface structure.
 *  @param[in] reg The register offset.
 *  @param[in] data The value to be written.
 */
#define outb_ne(dep, reg, data)  (outb(dep->de_base_port + reg, data))

/** Reads 1 word (2 bytes) register.
 *  @param[in] dep The network interface structure.
 *  @param[in] reg The register offset.
 *  @returns The read value.
 */
#define inw_ne(dep, reg)  (inw(dep->de_base_port + reg))

/** Writes 1 word (2 bytes) register.
 *  @param[in] dep The network interface structure.
 *  @param[in] reg The register offset.
 *  @param[in] data The value to be written.
 */
#define outw_ne(dep, reg, data)  (outw(dep->de_base_port + reg, data))

struct dpeth;

int ne_probe(struct dpeth *dep);

#endif

/** @}
 */