105 lines
3.6 KiB
C
105 lines
3.6 KiB
C
/* $NetBSD: hmevar.h,v 1.21 2009/09/18 12:40:15 tsutsui Exp $ */
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/*-
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* Copyright (c) 1999 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Paul Kranenburg.
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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
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "rnd.h"
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#include <sys/callout.h>
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#if NRND > 0
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#include <sys/rnd.h>
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#endif
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struct hme_ring {
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/* Ring Descriptors */
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void * rb_membase; /* Packet buffer: CPU address */
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bus_addr_t rb_dmabase; /* Packet buffer: DMA address */
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void * rb_txd; /* Transmit descriptors */
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bus_addr_t rb_txddma; /* DMA address of same */
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void * rb_rxd; /* Receive descriptors */
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bus_addr_t rb_rxddma; /* DMA address of same */
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void * rb_txbuf; /* Transmit buffers */
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void * rb_rxbuf; /* Receive buffers */
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int rb_ntbuf; /* # of transmit buffers */
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int rb_nrbuf; /* # of receive buffers */
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/* Ring Descriptor state */
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int rb_tdhead, rb_tdtail;
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int rb_rdtail;
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int rb_td_nbusy;
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};
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struct hme_softc {
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device_t sc_dev; /* boilerplate device view */
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struct ethercom sc_ethercom; /* Ethernet common part */
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struct mii_data sc_mii; /* MII media control */
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struct callout sc_tick_ch; /* tick callout */
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/* The following bus handles are to be provided by the bus front-end */
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bus_space_tag_t sc_bustag; /* bus tag */
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bus_dma_tag_t sc_dmatag; /* bus dma tag */
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bus_dmamap_t sc_dmamap; /* bus dma handle */
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bus_space_handle_t sc_seb; /* HME Global registers */
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bus_space_handle_t sc_erx; /* HME ERX registers */
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bus_space_handle_t sc_etx; /* HME ETX registers */
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bus_space_handle_t sc_mac; /* HME MAC registers */
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bus_space_handle_t sc_mif; /* HME MIF registers */
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int sc_burst; /* DVMA burst size in effect */
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int sc_phys[2]; /* MII instance -> PHY map */
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int sc_pci; /* XXXXX -- PCI buses are LE. */
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/* Ring descriptor */
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struct hme_ring sc_rb;
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#if notused
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void (*sc_copytobuf)(struct hme_softc *,
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void *, void *, size_t);
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void (*sc_copyfrombuf)(struct hme_softc *,
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void *, void *, size_t);
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#endif
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int sc_debug;
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int sc_ec_capenable;
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short sc_if_flags;
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uint8_t sc_enaddr[ETHER_ADDR_LEN]; /* MAC address */
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/* Special hardware hooks */
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void (*sc_hwreset)(struct hme_softc *);
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void (*sc_hwinit)(struct hme_softc *);
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#if NRND > 0
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rndsource_element_t rnd_source;
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#endif
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};
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void hme_config(struct hme_softc *);
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int hme_intr(void *);
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