sys/arch/arm/at91/at91emacvar.h

   1 /*      $Id: at91emacvar.h,v 1.3 2009/10/23 06:53:13 snj Exp $  */
   2 /*      $NetBSD: at91emacvar.h,v 1.2 2008/07/03 01:15:38 matt Exp $     */
   3 /*-
   4  * Copyright (c) 2007 Embedtronics Oy
   5  * All rights reserved
   6  *
   7  * Based on arch/arm/ep93xx/epevar.h
   8  *
   9  * Copyright (c) 2004 Jesse Off
  10  * All rights reserved
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions and the following disclaimer.
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in the
  19  *    documentation and/or other materials provided with the distribution.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  */
  34
  35 #ifndef _AT91EMACVAR_H_
  36 #define _AT91EMACVAR_H_
  37
  38 #define RX_QLEN 64
  39 #define TX_QLEN 2               /* I'm very sorry but that's where we can get */
  40
  41 struct emac_qmeta {
  42         struct mbuf     *m;
  43         bus_dmamap_t    m_dmamap;
  44 };
  45
  46 struct emac_softc {
  47         device_t                sc_dev;
  48         bus_space_tag_t         sc_iot;
  49         bus_space_handle_t      sc_ioh;
  50         bus_dma_tag_t           sc_dmat;
  51         int                     sc_pid;
  52         uint8_t                 sc_enaddr[ETHER_ADDR_LEN];
  53         struct ethercom         sc_ec;
  54         mii_data_t              sc_mii;
  55         void                    *rbqpage;
  56         unsigned                rbqlen;
  57         bus_addr_t              rbqpage_dsaddr;
  58         bus_dmamap_t            rbqpage_dmamap;
  59
  60         volatile struct eth_rdsc *RDSC;
  61         int                     rxqi;
  62         struct emac_qmeta       rxq[RX_QLEN];
  63         int                     txqi, txqc;
  64         struct emac_qmeta       txq[TX_QLEN];
  65         callout_t               emac_tick_ch;
  66 };
  67
  68 #endif /* _AT91EMACVAR_H_ */