1 /* $NetBSD: hmevar.h,v 1.17 2008/04/28 20:23:50 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Paul Kranenburg. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include "rnd.h" 33 34 #include <sys/callout.h> 35 #if NRND > 0 36 #include <sys/rnd.h> 37 #endif 38 39 40 struct hme_ring { 41 /* Ring Descriptors */ 42 void * rb_membase; /* Packet buffer: CPU address */ 43 bus_addr_t rb_dmabase; /* Packet buffer: DMA address */ 44 void * rb_txd; /* Transmit descriptors */ 45 bus_addr_t rb_txddma; /* DMA address of same */ 46 void * rb_rxd; /* Receive descriptors */ 47 bus_addr_t rb_rxddma; /* DMA address of same */ 48 void * rb_txbuf; /* Transmit buffers */ 49 void * rb_rxbuf; /* Receive buffers */ 50 int rb_ntbuf; /* # of transmit buffers */ 51 int rb_nrbuf; /* # of receive buffers */ 52 53 /* Ring Descriptor state */ 54 int rb_tdhead, rb_tdtail; 55 int rb_rdtail; 56 int rb_td_nbusy; 57 }; 58 59 struct hme_softc { 60 struct device sc_dev; /* boilerplate device view */ 61 struct ethercom sc_ethercom; /* Ethernet common part */ 62 struct mii_data sc_mii; /* MII media control */ 63 struct callout sc_tick_ch; /* tick callout */ 64 65 /* The following bus handles are to be provided by the bus front-end */ 66 bus_space_tag_t sc_bustag; /* bus tag */ 67 bus_dma_tag_t sc_dmatag; /* bus dma tag */ 68 bus_dmamap_t sc_dmamap; /* bus dma handle */ 69 bus_space_handle_t sc_seb; /* HME Global registers */ 70 bus_space_handle_t sc_erx; /* HME ERX registers */ 71 bus_space_handle_t sc_etx; /* HME ETX registers */ 72 bus_space_handle_t sc_mac; /* HME MAC registers */ 73 bus_space_handle_t sc_mif; /* HME MIF registers */ 74 int sc_burst; /* DVMA burst size in effect */ 75 int sc_phys[2]; /* MII instance -> PHY map */ 76 77 int sc_pci; /* XXXXX -- PCI buses are LE. */ 78 79 /* Ring descriptor */ 80 struct hme_ring sc_rb; 81 #if notused 82 void (*sc_copytobuf)(struct hme_softc *, 83 void *, void *, size_t); 84 void (*sc_copyfrombuf)(struct hme_softc *, 85 void *, void *, size_t); 86 #endif 87 88 int sc_debug; 89 void *sc_sh; /* shutdownhook cookie */ 90 int sc_ec_capenable; 91 short sc_if_flags; 92 u_int8_t sc_enaddr[ETHER_ADDR_LEN]; /* MAC address */ 93 94 /* Special hardware hooks */ 95 void (*sc_hwreset)(struct hme_softc *); 96 void (*sc_hwinit)(struct hme_softc *); 97 98 #if NRND > 0 99 rndsource_element_t rnd_source; 100 #endif 101 }; 102 103 104 void hme_config(struct hme_softc *); 105 void hme_reset(struct hme_softc *); 106 int hme_intr(void *); 107