sys/dev/ic/elinkxlvar.h

   1 /*      $NetBSD: elinkxlvar.h,v 1.19 2008/04/14 20:03:13 spz Exp $      */
   2
   3 /*-
   4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Frank van der Linden.
   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 #include "rnd.h"
  33
  34 #if NRND > 0
  35 #include <sys/rnd.h>
  36 #endif
  37
  38 /*
  39  * Ethernet software status per interface.
  40  */
  41 struct ex_softc {
  42         device_t sc_dev;
  43         void *sc_ih;
  44
  45         struct ethercom sc_ethercom;    /* Ethernet common part         */
  46         bus_space_tag_t sc_iot;         /* bus cookie                   */
  47         bus_space_handle_t sc_ioh;      /* bus i/o handle               */
  48         bus_dma_tag_t sc_dmat;          /* bus dma tag */
  49         bus_dmamap_t sc_dpd_dmamap;
  50         bus_dmamap_t sc_upd_dmamap;
  51 #define sc_upddma       sc_upd_dmamap->dm_segs[0].ds_addr
  52 #define sc_dpddma       sc_dpd_dmamap->dm_segs[0].ds_addr
  53         struct ex_upd *sc_upd;
  54         struct ex_dpd *sc_dpd;
  55         bus_dmamap_t sc_tx_dmamaps[EX_NDPD];    /* DMA maps for DPDs    */
  56         bus_dmamap_t sc_rx_dmamaps[EX_NUPD];    /* DMA maps for UPDs    */
  57         struct ex_rxdesc sc_rxdescs[EX_NUPD];
  58         struct ex_txdesc sc_txdescs[EX_NDPD];
  59
  60         struct ex_rxdesc *rx_head;
  61         struct ex_rxdesc *rx_tail;
  62
  63         struct ex_txdesc *tx_head;
  64         struct ex_txdesc *tx_tail;
  65         struct ex_txdesc *tx_free;
  66         struct ex_txdesc *tx_ftail;
  67
  68         int tx_start_thresh;            /* Current TX_start_thresh.     */
  69         int tx_succ_ok;                 /* # packets sent in sequence   */
  70
  71         u_int ex_connectors;            /* Connectors on this card.     */
  72         mii_data_t ex_mii;              /* mii bus data                 */
  73         struct callout ex_mii_callout;  /* mii callout                  */
  74         u_int ex_conf;                  /* config flags */
  75
  76 #define EX_CONF_MII             0x0001  /* has MII bus */
  77 #define EX_CONF_INTPHY          0x0002  /* has internal PHY */
  78 #define EX_CONF_90XB            0x0004  /* is 90xB */
  79 #define EX_CONF_INV_LED_POLARITY 0x0010 /* CardBus & MiniPCI: LED polarity */
  80 #define EX_CONF_PHY_POWER       0x0020  /* CardBus & MiniPCI: PHY power */
  81 #define EX_CONF_EEPROM_OFF      0x0040  /* EEPROM is offset by 0x30 */
  82 #define EX_CONF_EEPROM_8BIT     0x0080  /* 8 bit EEPROM */
  83 #define EX_CONF_PCI_FUNCREG     0x0100  /* Has PCI function registers */
  84 #define EX_CONF_RESETHACK       0x0200  /* Hack to make reset work on 556B */
  85 #define EX_CONF_NO_XCVR_PWR     0x0400  /* Hack to enable later 556B xcvr */
  86
  87 #define EX_XCVR_PWR_MAGICBITS   0x0900  /* NO_XCVR_PWR magic value */
  88
  89
  90         /*
  91          * XXX code duplication from elink3var.h
  92          */
  93         u_int   ex_flags;               /* capabilities flag (from EEPROM) */
  94 #define EX_FLAGS_PNP                    0x0001
  95 #define EX_FLAGS_FULLDUPLEX             0x0002
  96 #define EX_FLAGS_LARGEPKT               0x0004  /* 4k packet support */
  97 #define EX_FLAGS_SLAVEDMA               0x0008
  98 #define EX_FLAGS_SECONDDMA              0x0010
  99 #define EX_FLAGS_FULLDMA                0x0020
 100 #define EX_FLAGS_FRAGMENTDMA            0x0040
 101 #define EX_FLAGS_CRC_PASSTHRU           0x0080
 102 #define EX_FLAGS_TXDONE                 0x0100
 103 #define EX_FLAGS_NO_TXLENGTH            0x0200
 104 #define EX_FLAGS_RXREPEAT               0x0400
 105 #define EX_FLAGS_SNOOPING               0x0800
 106 #define EX_FLAGS_100MBIT                0x1000
 107 #define EX_FLAGS_POWERMGMT              0x2000
 108 #define EX_FLAGS_ATTACHED               0x4000  /* attach has succeeded */
 109
 110         u_char  ex_bustype;             /* parent bus type (currently unused) */
 111
 112 #define EX_BUS_PCI      0
 113 #define EX_BUS_CARDBUS  1
 114
 115 #if NRND > 0
 116         rndsource_element_t rnd_source;
 117 #endif
 118
 119         /* power management hooks */
 120         int (*enable)(struct ex_softc *);
 121         void (*disable)(struct ex_softc *);
 122         int enabled;
 123
 124         /* interrupt acknowledge hook */
 125         void (*intr_ack)(struct ex_softc *);
 126
 127         bus_dma_segment_t sc_useg, sc_dseg;
 128         int sc_urseg, sc_drseg;
 129
 130         short sc_if_flags;
 131 };
 132
 133 #define ex_waitcmd(sc) \
 134         do { \
 135                 int stat; \
 136                 do { \
 137                         stat = bus_space_read_2((sc)->sc_iot, (sc)->sc_ioh, \
 138                             ELINK_STATUS); \
 139                 } while ((stat & COMMAND_IN_PROGRESS) && (stat != 0xffff)); \
 140         } while (0)\
 141
 142 u_int16_t exreadeeprom(bus_space_tag_t, bus_space_handle_t, int);
 143 void    ex_config(struct ex_softc *);
 144
 145 int     ex_intr(void *);
 146 void    ex_stop(struct ifnet *, int);
 147 void    ex_watchdog(struct ifnet *);
 148 int     ex_ioctl(struct ifnet *ifp, u_long, void *);
 149 int     ex_activate(device_t, enum devact);
 150 int     ex_detach(struct ex_softc *);
 151
 152 int     ex_enable(struct ex_softc *);
 153 void    ex_disable(struct ex_softc *);