NetBSD/sys/arch/arm/at91/at91emacvar.h

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/* $Id: at91emacvar.h,v 1.2 2008/07/03 01:15:38 matt Exp $ */
/* $NetBSD: at91emacvar.h,v 1.2 2008/07/03 01:15:38 matt Exp $ */
/*-
* Copyright (c) 2007 Embedtronics Oy
* All rights reserved
*
* Based on arch/arm/ep93xx/epevar.h
*
* Copyright (c) 2004 Jesse Off
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
*/
#ifndef _AT91EMACVAR_H_
#define _AT91EMACVAR_H_
#define RX_QLEN 64
#define TX_QLEN 2 /* I'm very sorry but that's where we can get */
struct emac_qmeta {
struct mbuf *m;
bus_dmamap_t m_dmamap;
};
struct emac_softc {
device_t sc_dev;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
bus_dma_tag_t sc_dmat;
int sc_pid;
uint8_t sc_enaddr[ETHER_ADDR_LEN];
struct ethercom sc_ec;
mii_data_t sc_mii;
void *rbqpage;
unsigned rbqlen;
bus_addr_t rbqpage_dsaddr;
bus_dmamap_t rbqpage_dmamap;
volatile struct eth_rdsc *RDSC;
int rxqi;
struct emac_qmeta rxq[RX_QLEN];
int txqi, txqc;
struct emac_qmeta txq[TX_QLEN];
callout_t emac_tick_ch;
};
#endif /* _AT91EMACVAR_H_ */