sys/dev/ic/elink3var.h

   1 /*      $NetBSD: elink3var.h,v 1.35 2008/08/27 05:33:47 christos 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 "rnd.h"
  34
  35 #if NRND > 0
  36 #include <sys/rnd.h>
  37 #endif
  38
  39 /*
  40  * Ethernet software status per interface.
  41  */
  42 struct ep_softc {
  43         device_t sc_dev;
  44         void *sc_ih;
  45
  46         struct ethercom sc_ethercom;    /* Ethernet common part         */
  47         struct mii_data sc_mii;         /* MII/media control            */
  48         struct callout sc_mii_callout;  /* MII callout handle           */
  49         struct callout sc_mbuf_callout; /* mbuf fill callout            */
  50         bus_space_tag_t sc_iot;         /* bus cookie                   */
  51         bus_space_handle_t sc_ioh;      /* bus i/o handle               */
  52         bus_space_tag_t sc_memt;        /* RoadRunner only              */
  53         bus_space_handle_t sc_memh;     /* RoadRunner only              */
  54         u_int32_t sc_flags;             /* misc. flags                  */
  55 #define MAX_MBS 8                       /* # of mbufs we keep around    */
  56         struct mbuf *mb[MAX_MBS];       /* spare mbuf storage.          */
  57         int     next_mb;                /* Which mbuf to use next.      */
  58         int     last_mb;                /* Last mbuf.                   */
  59         int     tx_start_thresh;        /* Current TX_start_thresh.     */
  60         int     tx_succ_ok;             /* # packets sent in sequence   */
  61                                         /* w/o underrun                 */
  62
  63         u_int   ep_flags;               /* capabilities flag (from EELINKROM) */
  64 #define ELINK_FLAGS_PNP                 0x00001
  65 #define ELINK_FLAGS_FULLDUPLEX          0x00002
  66 #define ELINK_FLAGS_LARGELINKKT         0x00004 /* 4k packet support */
  67 #define ELINK_FLAGS_SLAVEDMA            0x00008
  68 #define ELINK_FLAGS_SECONDDMA           0x00010
  69 #define ELINK_FLAGS_FULLDMA             0x00020
  70 #define ELINK_FLAGS_FRAGMENTDMA         0x00040
  71 #define ELINK_FLAGS_CRC_PASSTHRU        0x00080
  72 #define ELINK_FLAGS_TXDONE              0x00100
  73 #define ELINK_FLAGS_NO_TXLENGTH         0x00200
  74 #define ELINK_FLAGS_RXRELINKEAT         0x00400
  75 #define ELINK_FLAGS_SNOOPING            0x00800
  76 #define ELINK_FLAGS_100MBIT             0x01000
  77 #define ELINK_FLAGS_POWERMGMT           0x02000
  78 #define ELINK_FLAGS_MII                 0x04000
  79 #define ELINK_FLAGS_USEFIFOBUFFER       0x08000 /* RoadRunner only */
  80 #define ELINK_FLAGS_USESHAREDMEM        0x10000 /* RoadRunner only */
  81 #define ELINK_FLAGS_FORCENOWAIT         0x20000 /* RoadRunner only */
  82 #define ELINK_FLAGS_ATTACHED            0x40000 /* attach has succeeded */
  83
  84         u_short ep_chipset;             /* Chipset family on this board */
  85 #define ELINK_CHIPSET_3C509             0x00    /* PIO: 3c509, 3c589 */
  86 #define ELINK_CHIPSET_VORTEX            0x01    /* 100mbit, single-pkt DMA */
  87 #define ELINK_CHIPSET_BOOMERANG         0x02    /* Saner DMA plus PIO */
  88 #define ELINK_CHIPSET_ROADRUNNER        0x03    /* like Boomerang, but for
  89                                                    PCMCIA; has shared memory
  90                                                    plus FIFO buffer */
  91 #define ELINK_CHIPSET_CORKSCREW         0x04    /* like Boomerang, but DMA
  92                                                    hacked to work w/ ISA */
  93
  94         u_char  bustype;                /* parent bus type */
  95 #define ELINK_BUS_ISA           0x0
  96 #define ELINK_BUS_PCMCIA        0x1
  97 #define ELINK_BUS_EISA          0x2
  98 #define ELINK_BUS_PCI           0x3
  99 #define ELINK_BUS_MCA           0x6
 100
 101 #define ELINK_IS_BUS_32(a)      ((a) & 0x2)
 102         int ep_pktlenshift;             /* scale factor for pkt lengths */
 103
 104 #if NRND > 0
 105         rndsource_element_t rnd_source;
 106 #endif
 107
 108         /* power management hooks */
 109         int (*enable)(struct ep_softc *);
 110         void (*disable)(struct ep_softc *);
 111         int enabled;
 112 };
 113
 114
 115 u_int16_t epreadeeprom(bus_space_tag_t, bus_space_handle_t, int);
 116 int     epconfig(struct ep_softc *, u_short, u_int8_t *);
 117
 118 int     epintr(void *);
 119
 120 int     epenable(struct ep_softc *);
 121 void    epdisable(struct ep_softc *);
 122
 123 int     ep_activate(device_t, enum devact);
 124 int     ep_detach(device_t, int);
 125
 126 void    ep_power(int, void *);