/*      $OpenBSD: elink3var.h,v 1.19 2009/11/23 16:36:22 claudio Exp $  */
/*      $NetBSD: elink3var.h,v 1.12 1997/03/30 22:47:11 jonathan Exp $  */

/*
 * Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org>
 * 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 Herb Peyerl.
 * 4. The name of Herb Peyerl 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.
 */

/*
 * Ethernet software status per interface.
 */
struct ep_softc {
        struct device sc_dev;
        void *sc_ih;
        struct timeout sc_epmbuffill_tmo;

        struct arpcom sc_arpcom;        /* Ethernet common part         */
        struct mii_data sc_mii;         /* MII/media control            */
        bus_space_tag_t sc_iot;         /* bus cookie                   */
        bus_space_handle_t sc_ioh;      /* bus i/o handle               */
        u_int   ep_connectors;          /* Connectors on this card.     */
#define MAX_MBS 8                       /* # of mbufs we keep around    */
        struct mbuf *mb[MAX_MBS];       /* spare mbuf storage.          */
        int     next_mb;                /* Which mbuf to use next.      */
        int     tx_start_thresh;        /* Current TX_start_thresh.     */
        int     tx_succ_ok;             /* # packets sent in sequence   */
                                        /* w/o underrun                 */

        u_int   ep_flags;               /* capabilities flag (from EEPROM) */
#define EP_FLAGS_PNP                    0x0001
#define EP_FLAGS_FULLDUPLEX             0x0002
#define EP_FLAGS_LARGEPKT               0x0004  /* 4k packet support */
#define EP_FLAGS_SLAVEDMA               0x0008
#define EP_FLAGS_SECONDDMA              0x0010
#define EP_FLAGS_FULLDMA                0x0020
#define EP_FLAGS_FRAGMENTDMA            0x0040
#define EP_FLAGS_CRC_PASSTHRU           0x0080
#define EP_FLAGS_TXDONE                 0x0100
#define EP_FLAGS_NO_TXLENGTH            0x0200
#define EP_FLAGS_RXREPEAT               0x0400
#define EP_FLAGS_SNOOPING               0x0800
#define EP_FLAGS_100MBIT                0x1000
#define EP_FLAGS_POWERMGMT              0x2000
#define EP_FLAGS_MII                    0x4000

        u_short ep_chipset;             /* Chipset family on this board */
#define EP_CHIPSET_UNKNOWN              0x00    /* unknown (assume 3c509) */
#define EP_CHIPSET_3C509                0x01    /* PIO: 3c509, 3c589 */
#define EP_CHIPSET_VORTEX               0x02    /* 100mbit, single-pkt dma */
#define EP_CHIPSET_BOOMERANG            0x03    /* Saner dma plus PIO */
#define EP_CHIPSET_BOOMERANG2           0x04    /* Saner dma, no PIO */
#define EP_CHIPSET_ROADRUNNER           0x05    /* Like Boomerang, but PCMCIA */

        u_char  bustype;
#define EP_BUS_ISA              0x0
#define EP_BUS_PCMCIA           0x1
#define EP_BUS_EISA             0x2
#define EP_BUS_PCI              0x3

#define EP_IS_BUS_32(a) ((a) & 0x2)

        u_char  txashift;               /* shift in SET_TX_AVAIL_THRESH */
};

u_int16_t epreadeeprom(bus_space_tag_t, bus_space_handle_t, int);
void    epconfig(struct ep_softc *, u_short, u_int8_t *);
int     epintr(void *);
void    epstop(struct ep_softc *);
void    epinit(struct ep_softc *);
int     ep_detach(struct device *);