1 /* $NetBSD: hmevar.h,v 1.23 2012/02/02 19:43:03 tls 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 33 #include <sys/callout.h> 34 #include <sys/rnd.h> 35 36 37 struct hme_ring { 38 /* Ring Descriptors */ 39 void * rb_membase; /* Packet buffer: CPU address */ 40 bus_addr_t rb_dmabase; /* Packet buffer: DMA address */ 41 void * rb_txd; /* Transmit descriptors */ 42 bus_addr_t rb_txddma; /* DMA address of same */ 43 void * rb_rxd; /* Receive descriptors */ 44 bus_addr_t rb_rxddma; /* DMA address of same */ 45 void * rb_txbuf; /* Transmit buffers */ 46 void * rb_rxbuf; /* Receive buffers */ 47 int rb_ntbuf; /* # of transmit buffers */ 48 int rb_nrbuf; /* # of receive buffers */ 49 50 /* Ring Descriptor state */ 51 int rb_tdhead, rb_tdtail; 52 int rb_rdtail; 53 int rb_td_nbusy; 54 }; 55 56 struct hme_softc { 57 device_t sc_dev; /* boilerplate device view */ 58 struct ethercom sc_ethercom; /* Ethernet common part */ 59 struct mii_data sc_mii; /* MII media control */ 60 struct callout sc_tick_ch; /* tick callout */ 61 62 /* The following bus handles are to be provided by the bus front-end */ 63 bus_space_tag_t sc_bustag; /* bus tag */ 64 bus_dma_tag_t sc_dmatag; /* bus dma tag */ 65 bus_dmamap_t sc_dmamap; /* bus dma handle */ 66 bus_space_handle_t sc_seb; /* HME Global registers */ 67 bus_space_handle_t sc_erx; /* HME ERX registers */ 68 bus_space_handle_t sc_etx; /* HME ETX registers */ 69 bus_space_handle_t sc_mac; /* HME MAC registers */ 70 bus_space_handle_t sc_mif; /* HME MIF registers */ 71 int sc_burst; /* DVMA burst size in effect */ 72 int sc_phys[2]; /* MII instance -> PHY map */ 73 74 int sc_pci; /* XXXXX -- PCI buses are LE. */ 75 76 /* Ring descriptor */ 77 struct hme_ring sc_rb; 78 #if notused 79 void (*sc_copytobuf)(struct hme_softc *, 80 void *, void *, size_t); 81 void (*sc_copyfrombuf)(struct hme_softc *, 82 void *, void *, size_t); 83 #endif 84 85 int sc_debug; 86 int sc_ec_capenable; 87 short sc_if_flags; 88 uint8_t sc_enaddr[ETHER_ADDR_LEN]; /* MAC address */ 89 90 /* Special hardware hooks */ 91 void (*sc_hwreset)(struct hme_softc *); 92 void (*sc_hwinit)(struct hme_softc *); 93 94 krndsource_t rnd_source; 95 }; 96 97 98 void hme_config(struct hme_softc *); 99 int hme_intr(void *); 100