/* $OpenBSD: hmevar.h,v 1.11 2008/11/26 13:30:29 kettenis Exp $ */ /* $NetBSD: hmevar.h,v 1.6 2000/09/28 10:56:57 tsutsui Exp $ */ /*- * Copyright (c) 1999 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Paul Kranenburg. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 FOUNDATION OR CONTRIBUTORS * 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. */ #include <sys/timeout.h> #define HME_TX_RING_SIZE 64 #define HME_RX_RING_SIZE 64 #define HME_RX_RING_MAX 256 #define HME_TX_RING_MAX 256 #define HME_RX_PKTSIZE 1600 #define HME_TX_NSEGS 16 struct hme_sxd { struct mbuf *sd_mbuf; /* descriptor mbuf */ bus_dmamap_t sd_map; /* descriptor dmamap */ }; struct hme_ring { /* Ring Descriptors */ caddr_t rb_membase; /* Packet buffer: CPU address */ bus_addr_t rb_dmabase; /* Packet buffer: DMA address */ caddr_t rb_txd; /* Transmit descriptors */ bus_addr_t rb_txddma; /* DMA address of same */ caddr_t rb_rxd; /* Receive descriptors */ bus_addr_t rb_rxddma; /* DMA address of same */ }; struct hme_softc { struct device sc_dev; /* boilerplate device view */ struct arpcom sc_arpcom; /* Ethernet common part */ struct mii_data sc_mii; /* MII media control */ #define sc_media sc_mii.mii_media/* shorthand */ struct timeout sc_tick_ch; /* tick callout */ /* The following bus handles are to be provided by the bus front-end */ bus_space_tag_t sc_bustag; /* bus tag */ bus_dma_tag_t sc_dmatag; /* bus dma tag */ bus_dmamap_t sc_dmamap; /* bus dma handle */ bus_space_handle_t sc_seb; /* HME Global registers */ bus_space_handle_t sc_erx; /* HME ERX registers */ bus_space_handle_t sc_etx; /* HME ETX registers */ bus_space_handle_t sc_mac; /* HME MAC registers */ bus_space_handle_t sc_mif; /* HME MIF registers */ int sc_burst; /* DVMA burst size in effect */ int sc_phys[2]; /* MII instance -> PHY map */ int sc_pci; /* XXXXX -- PCI buses are LE. */ /* Ring descriptor */ struct hme_ring sc_rb; int sc_debug; void *sc_sh; /* shutdownhook cookie */ short sc_if_flags; /* Special hardware hooks */ void (*sc_hwreset)(struct hme_softc *); void (*sc_hwinit)(struct hme_softc *); struct hme_sxd sc_txd[HME_TX_RING_MAX], sc_rxd[HME_RX_RING_MAX]; bus_dmamap_t sc_rxmap_spare; int sc_tx_cnt, sc_tx_prod, sc_tx_cons; int sc_last_rd; u_int32_t sc_tcvr; }; void hme_config(struct hme_softc *); void hme_reset(struct hme_softc *); int hme_intr(void *);