1 /* $NetBSD: hmevar.h,v 1.8 2001/11/26 10:39:29 tron 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include "rnd.h" 40 41 #include <sys/callout.h> 42 #if NRND > 0 43 #include <sys/rnd.h> 44 #endif 45 46 47 struct hme_ring { 48 /* Ring Descriptors */ 49 caddr_t rb_membase; /* Packet buffer: CPU address */ 50 bus_addr_t rb_dmabase; /* Packet buffer: DMA address */ 51 caddr_t rb_txd; /* Transmit descriptors */ 52 bus_addr_t rb_txddma; /* DMA address of same */ 53 caddr_t rb_rxd; /* Receive descriptors */ 54 bus_addr_t rb_rxddma; /* DMA address of same */ 55 caddr_t rb_txbuf; /* Transmit buffers */ 56 caddr_t rb_rxbuf; /* Receive buffers */ 57 int rb_ntbuf; /* # of transmit buffers */ 58 int rb_nrbuf; /* # of receive buffers */ 59 60 /* Ring Descriptor state */ 61 int rb_tdhead, rb_tdtail; 62 int rb_rdtail; 63 int rb_td_nbusy; 64 }; 65 66 struct hme_softc { 67 struct device sc_dev; /* boilerplate device view */ 68 struct ethercom sc_ethercom; /* Ethernet common part */ 69 struct mii_data sc_mii; /* MII media control */ 70 #define sc_media sc_mii.mii_media/* shorthand */ 71 struct callout sc_tick_ch; /* tick callout */ 72 73 /* The following bus handles are to be provided by the bus front-end */ 74 bus_space_tag_t sc_bustag; /* bus tag */ 75 bus_dma_tag_t sc_dmatag; /* bus dma tag */ 76 bus_dmamap_t sc_dmamap; /* bus dma handle */ 77 bus_space_handle_t sc_seb; /* HME Global registers */ 78 bus_space_handle_t sc_erx; /* HME ERX registers */ 79 bus_space_handle_t sc_etx; /* HME ETX registers */ 80 bus_space_handle_t sc_mac; /* HME MAC registers */ 81 bus_space_handle_t sc_mif; /* HME MIF registers */ 82 int sc_burst; /* DVMA burst size in effect */ 83 int sc_phys[2]; /* MII instance -> PHY map */ 84 85 int sc_pci; /* XXXXX -- PCI buses are LE. */ 86 87 /* Ring descriptor */ 88 struct hme_ring sc_rb; 89 #if notused 90 void (*sc_copytobuf) __P((struct hme_softc *, 91 void *, void *, size_t)); 92 void (*sc_copyfrombuf) __P((struct hme_softc *, 93 void *, void *, size_t)); 94 #endif 95 96 int sc_debug; 97 void *sc_sh; /* shutdownhook cookie */ 98 u_int8_t sc_enaddr[ETHER_ADDR_LEN]; /* MAC address */ 99 100 /* Special hardware hooks */ 101 void (*sc_hwreset) __P((struct hme_softc *)); 102 void (*sc_hwinit) __P((struct hme_softc *)); 103 104 #if NRND > 0 105 rndsource_element_t rnd_source; 106 #endif 107 }; 108 109 110 void hme_config __P((struct hme_softc *)); 111 void hme_reset __P((struct hme_softc *)); 112 int hme_intr __P((void *)); 113