1 /* $OpenBSD: hmevar.h,v 1.7 2002/11/20 22:07:45 jason Exp $ */ 2 /* $NetBSD: hmevar.h,v 1.6 2000/09/28 10:56:57 tsutsui Exp $ */ 3 4 /*- 5 * Copyright (c) 1999 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Paul Kranenburg. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 #include <sys/timeout.h> 41 42 #define HME_TX_RING_SIZE 64 43 #define HME_RX_RING_SIZE 64 44 #define HME_RX_RING_MAX 256 45 #define HME_TX_RING_MAX 256 46 #define HME_RX_PKTSIZE 1600 47 48 struct hme_sxd { 49 struct mbuf *sd_mbuf; /* descriptor mbuf */ 50 bus_dmamap_t sd_map; /* descriptor dmamap */ 51 int sd_loaded; /* descriptor dmamap loaded? */ 52 }; 53 54 struct hme_ring { 55 /* Ring Descriptors */ 56 caddr_t rb_membase; /* Packet buffer: CPU address */ 57 bus_addr_t rb_dmabase; /* Packet buffer: DMA address */ 58 caddr_t rb_txd; /* Transmit descriptors */ 59 bus_addr_t rb_txddma; /* DMA address of same */ 60 caddr_t rb_rxd; /* Receive descriptors */ 61 bus_addr_t rb_rxddma; /* DMA address of same */ 62 }; 63 64 struct hme_softc { 65 struct device sc_dev; /* boilerplate device view */ 66 struct arpcom sc_arpcom; /* Ethernet common part */ 67 struct mii_data sc_mii; /* MII media control */ 68 #define sc_media sc_mii.mii_media/* shorthand */ 69 struct timeout sc_tick_ch; /* tick callout */ 70 71 /* The following bus handles are to be provided by the bus front-end */ 72 bus_space_tag_t sc_bustag; /* bus tag */ 73 bus_dma_tag_t sc_dmatag; /* bus dma tag */ 74 bus_dmamap_t sc_dmamap; /* bus dma handle */ 75 bus_space_handle_t sc_seb; /* HME Global registers */ 76 bus_space_handle_t sc_erx; /* HME ERX registers */ 77 bus_space_handle_t sc_etx; /* HME ETX registers */ 78 bus_space_handle_t sc_mac; /* HME MAC registers */ 79 bus_space_handle_t sc_mif; /* HME MIF registers */ 80 int sc_burst; /* DVMA burst size in effect */ 81 int sc_phys[2]; /* MII instance -> PHY map */ 82 83 int sc_pci; /* XXXXX -- PCI buses are LE. */ 84 85 /* Ring descriptor */ 86 struct hme_ring sc_rb; 87 88 int sc_debug; 89 void *sc_sh; /* shutdownhook cookie */ 90 u_int8_t sc_enaddr[ETHER_ADDR_LEN]; /* MAC address */ 91 92 /* Special hardware hooks */ 93 void (*sc_hwreset)(struct hme_softc *); 94 void (*sc_hwinit)(struct hme_softc *); 95 96 struct hme_sxd sc_txd[HME_TX_RING_MAX], sc_rxd[HME_RX_RING_MAX]; 97 bus_dmamap_t sc_rxmap_spare; 98 int sc_tx_cnt, sc_tx_prod, sc_tx_cons; 99 int sc_last_rd; 100 u_int32_t sc_tcvr; 101 }; 102 103 104 void hme_config(struct hme_softc *); 105 void hme_reset(struct hme_softc *); 106 int hme_intr(void *); 107