1 /* $NetBSD: elink3var.h,v 1.39 2015/04/13 16:33:24 riastradh Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Herb Peyerl. 18 * 4. The name of Herb Peyerl may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/rndsource.h> 34 35 /* 36 * Ethernet software status per interface. 37 */ 38 struct ep_softc { 39 device_t sc_dev; 40 void *sc_ih; 41 42 struct ethercom sc_ethercom; /* Ethernet common part */ 43 struct mii_data sc_mii; /* MII/media control */ 44 struct callout sc_mii_callout; /* MII callout handle */ 45 struct callout sc_mbuf_callout; /* mbuf fill callout */ 46 bus_space_tag_t sc_iot; /* bus cookie */ 47 bus_space_handle_t sc_ioh; /* bus i/o handle */ 48 bus_space_tag_t sc_memt; /* RoadRunner only */ 49 bus_space_handle_t sc_memh; /* RoadRunner only */ 50 u_int32_t sc_flags; /* misc. flags */ 51 #define MAX_MBS 8 /* # of mbufs we keep around */ 52 struct mbuf *mb[MAX_MBS]; /* spare mbuf storage. */ 53 int next_mb; /* Which mbuf to use next. */ 54 int last_mb; /* Last mbuf. */ 55 int tx_start_thresh; /* Current TX_start_thresh. */ 56 int tx_succ_ok; /* # packets sent in sequence */ 57 /* w/o underrun */ 58 59 u_int ep_flags; /* capabilities flag (from EELINKROM) */ 60 #define ELINK_FLAGS_PNP 0x00001 61 #define ELINK_FLAGS_FULLDUPLEX 0x00002 62 #define ELINK_FLAGS_LARGELINKKT 0x00004 /* 4k packet support */ 63 #define ELINK_FLAGS_SLAVEDMA 0x00008 64 #define ELINK_FLAGS_SECONDDMA 0x00010 65 #define ELINK_FLAGS_FULLDMA 0x00020 66 #define ELINK_FLAGS_FRAGMENTDMA 0x00040 67 #define ELINK_FLAGS_CRC_PASSTHRU 0x00080 68 #define ELINK_FLAGS_TXDONE 0x00100 69 #define ELINK_FLAGS_NO_TXLENGTH 0x00200 70 #define ELINK_FLAGS_RXRELINKEAT 0x00400 71 #define ELINK_FLAGS_SNOOPING 0x00800 72 #define ELINK_FLAGS_100MBIT 0x01000 73 #define ELINK_FLAGS_POWERMGMT 0x02000 74 #define ELINK_FLAGS_MII 0x04000 75 #define ELINK_FLAGS_USEFIFOBUFFER 0x08000 /* RoadRunner only */ 76 #define ELINK_FLAGS_USESHAREDMEM 0x10000 /* RoadRunner only */ 77 #define ELINK_FLAGS_FORCENOWAIT 0x20000 /* RoadRunner only */ 78 #define ELINK_FLAGS_ATTACHED 0x40000 /* attach has succeeded */ 79 80 u_short ep_chipset; /* Chipset family on this board */ 81 #define ELINK_CHIPSET_3C509 0x00 /* PIO: 3c509, 3c589 */ 82 #define ELINK_CHIPSET_VORTEX 0x01 /* 100mbit, single-pkt DMA */ 83 #define ELINK_CHIPSET_BOOMERANG 0x02 /* Saner DMA plus PIO */ 84 #define ELINK_CHIPSET_ROADRUNNER 0x03 /* like Boomerang, but for 85 PCMCIA; has shared memory 86 plus FIFO buffer */ 87 #define ELINK_CHIPSET_CORKSCREW 0x04 /* like Boomerang, but DMA 88 hacked to work w/ ISA */ 89 90 u_char bustype; /* parent bus type */ 91 #define ELINK_BUS_ISA 0x0 92 #define ELINK_BUS_PCMCIA 0x1 93 #define ELINK_BUS_EISA 0x2 94 #define ELINK_BUS_PCI 0x3 95 #define ELINK_BUS_MCA 0x6 96 97 #define ELINK_IS_BUS_32(a) ((a) & 0x2) 98 int ep_pktlenshift; /* scale factor for pkt lengths */ 99 100 krndsource_t rnd_source; 101 102 /* power management hooks */ 103 int (*enable)(struct ep_softc *); 104 void (*disable)(struct ep_softc *); 105 int enabled; 106 }; 107 108 109 u_int16_t epreadeeprom(bus_space_tag_t, bus_space_handle_t, int); 110 int epconfig(struct ep_softc *, u_short, u_int8_t *); 111 112 int epintr(void *); 113 114 int epenable(struct ep_softc *); 115 void epdisable(struct ep_softc *); 116 117 int ep_activate(device_t, enum devact); 118 int ep_detach(device_t, int); 119 120 void ep_power(int, void *); 121