96 lines
3.5 KiB
C
96 lines
3.5 KiB
C
/* $OpenBSD: hmevar.h,v 1.17 2014/11/27 14:53:42 brad Exp $ */
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/* $NetBSD: hmevar.h,v 1.6 2000/09/28 10:56:57 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 <sys/timeout.h>
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#define HME_TX_RING_SIZE 64
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#define HME_RX_RING_SIZE 64
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#define HME_RX_RING_MAX 256
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#define HME_TX_RING_MAX 256
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#define HME_RX_PKTSIZE 1600
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#define HME_TX_NSEGS 16
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struct hme_sxd {
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struct mbuf *sd_mbuf; /* descriptor mbuf */
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bus_dmamap_t sd_map; /* descriptor dmamap */
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};
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struct hme_ring {
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/* Ring Descriptors */
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caddr_t rb_membase; /* Packet buffer: CPU address */
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bus_addr_t rb_dmabase; /* Packet buffer: DMA address */
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caddr_t rb_txd; /* Transmit descriptors */
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bus_addr_t rb_txddma; /* DMA address of same */
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caddr_t rb_rxd; /* Receive descriptors */
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bus_addr_t rb_rxddma; /* DMA address of same */
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};
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struct hme_softc {
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struct device sc_dev; /* boilerplate device view */
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struct arpcom sc_arpcom; /* Ethernet common part */
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struct mii_data sc_mii; /* MII media control */
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#define sc_media sc_mii.mii_media/* shorthand */
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struct timeout 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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int sc_debug;
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struct hme_sxd sc_txd[HME_TX_RING_MAX], sc_rxd[HME_RX_RING_MAX];
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bus_dmamap_t sc_rxmap_spare;
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int sc_tx_cnt, sc_tx_prod, sc_tx_cons;
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struct if_rxring sc_rx_ring;
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int sc_rx_prod, sc_rx_cons;
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u_int32_t sc_tcvr;
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};
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void hme_config(struct hme_softc *);
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void hme_unconfig(struct hme_softc *);
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void hme_reset(struct hme_softc *);
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int hme_intr(void *);
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