82 lines
2.9 KiB
C
82 lines
2.9 KiB
C
/*-
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* Copyright (c) 1993 Herb Peyerl (hpeyerl@novatel.ca) All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer. 2. The name
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* of the author may not be used to endorse or promote products derived from
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* this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*
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October 2, 1994
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Modified by: Andres Vega Garcia
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INRIA - Sophia Antipolis, France
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e-mail: avega@sophia.inria.fr
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finger: avega@pax.inria.fr
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*/
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/*
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* Ethernet software status per interface.
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*/
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struct vx_softc {
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struct ifnet *vx_ifp;
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bus_space_tag_t vx_bst;
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bus_space_handle_t vx_bsh;
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void *vx_intrhand;
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struct resource *vx_irq;
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struct resource *vx_res;
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#define MAX_MBS 8 /* # of mbufs we keep around */
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struct mbuf *vx_mb[MAX_MBS]; /* spare mbuf storage. */
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int vx_next_mb; /* Which mbuf to use next. */
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int vx_last_mb; /* Last mbuf. */
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char vx_connectors; /* Connectors on this card. */
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char vx_connector; /* Connector to use. */
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short vx_tx_start_thresh; /* Current TX_start_thresh. */
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int vx_tx_succ_ok; /* # packets sent in sequence */
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/* w/o underrun */
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struct callout vx_callout; /* Callout for timeouts */
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struct callout vx_watchdog;
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struct mtx vx_mtx;
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int vx_buffill_pending;
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int vx_timer;
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};
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#define CSR_WRITE_4(sc, reg, val) \
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bus_space_write_4(sc->vx_bst, sc->vx_bsh, reg, val)
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#define CSR_WRITE_2(sc, reg, val) \
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bus_space_write_2(sc->vx_bst, sc->vx_bsh, reg, val)
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#define CSR_WRITE_1(sc, reg, val) \
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bus_space_write_1(sc->vx_bst, sc->vx_bsh, reg, val)
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#define CSR_READ_4(sc, reg) \
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bus_space_read_4(sc->vx_bst, sc->vx_bsh, reg)
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#define CSR_READ_2(sc, reg) \
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bus_space_read_2(sc->vx_bst, sc->vx_bsh, reg)
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#define CSR_READ_1(sc, reg) \
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bus_space_read_1(sc->vx_bst, sc->vx_bsh, reg)
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#define VX_LOCK(sc) mtx_lock(&(sc)->vx_mtx)
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#define VX_UNLOCK(sc) mtx_unlock(&(sc)->vx_mtx)
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#define VX_LOCK_ASSERT(sc) mtx_assert(&(sc)->vx_mtx, MA_OWNED)
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int vx_attach(device_t);
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void vx_stop(struct vx_softc *);
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void vx_intr(void *);
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int vx_busy_eeprom(struct vx_softc *);
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