sys/dev/pci/if_tlvar.h

   1 /*      $NetBSD: if_tlvar.h,v 1.13 2008/06/01 00:38:29 tsutsui Exp $    */
   2
   3 /*
   4  * Copyright (c) 1997 Manuel Bouyer.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 /*
  28  * Texas Instruments ThunderLAN ethernet controller
  29  * ThunderLAN Programmer's Guide (TI Literature Number SPWU013A)
  30  * available from www.ti.com
  31  */
  32
  33 #include "rnd.h"
  34
  35 #if NRND > 0
  36 #include <sys/rnd.h>
  37 #endif
  38
  39 #include <dev/i2c/i2cvar.h>
  40
  41 struct tl_product_desc {
  42         u_int32_t tp_product;
  43         int tp_tlphymedia;
  44         const char *tp_desc;
  45 };
  46
  47 struct tl_softc {
  48         device_t sc_dev;                /* base device */
  49         bus_space_tag_t tl_bustag;
  50         bus_space_handle_t tl_bushandle; /* CSR region handle */
  51         bus_dma_tag_t tl_dmatag;
  52         const struct tl_product_desc *tl_product;
  53         void* tl_ih;
  54         struct ethercom tl_ec;
  55         struct callout tl_tick_ch;      /* tick callout */
  56         struct callout tl_restart_ch;   /* restart callout */
  57         u_int8_t tl_enaddr[ETHER_ADDR_LEN];     /* hardware address */
  58         struct i2c_controller sc_i2c;   /* i2c controller info, for eeprom */
  59         mii_data_t tl_mii;              /* mii bus */
  60         bus_dma_segment_t ctrl_segs; /* bus-dma memory for control blocks */
  61         int ctrl_nsegs;
  62         char *ctrl;                     /* vaddr for ctrl_segs */
  63         struct Rx_list *Rx_list;        /* Receive and transmit lists */
  64         struct tl_Rx_list *hw_Rx_list;  /* and assocoated hw descriptor */
  65         bus_dmamap_t Rx_dmamap;         /* and associated DMA maps */
  66         struct Tx_list *Tx_list;
  67         struct tl_Tx_list *hw_Tx_list;
  68         bus_dmamap_t Tx_dmamap;
  69         struct Rx_list *active_Rx, *last_Rx;
  70         struct Tx_list *active_Tx, *last_Tx;
  71         struct Tx_list *Free_Tx;
  72         bus_dmamap_t null_dmamap;       /* for small packets padding */
  73 #ifdef TL_PRIV_STATS
  74         int ierr_overr;
  75         int ierr_code;
  76         int ierr_crc;
  77         int ierr_nomem;
  78         int oerr_underr;
  79         int oerr_deferred;
  80         int oerr_coll;
  81         int oerr_multicoll;
  82         int oerr_latecoll;
  83         int oerr_exesscoll;
  84         int oerr_carrloss;
  85         int oerr_mcopy;
  86 #endif
  87 #if NRND > 0
  88         rndsource_element_t rnd_source;
  89 #endif
  90 };
  91 #define tl_if            tl_ec.ec_if
  92 #define tl_bpf   tl_if.if_bpf
  93
  94 typedef struct tl_softc tl_softc_t;
  95 typedef u_long ioctl_cmd_t;
  96
  97 #define TL_HR_READ(sc, reg) \
  98         bus_space_read_4(sc->tl_bustag, sc->tl_bushandle, (reg))
  99 #define TL_HR_READ_BYTE(sc, reg) \
 100         bus_space_read_1(sc->tl_bustag, sc->tl_bushandle, (reg))
 101 #define TL_HR_WRITE(sc, reg, data) \
 102         bus_space_write_4(sc->tl_bustag, sc->tl_bushandle, (reg), (data))
 103 #define TL_HR_WRITE_BYTE(sc, reg, data) \
 104         bus_space_write_1(sc->tl_bustag, sc->tl_bushandle, (reg), (data))
 105 #define ETHER_MIN_TX (ETHERMIN + sizeof(struct ether_header))