include/linux/i82593.h

   1 /*
   2  * Definitions for Intel 82593 CSMA/CD Core LAN Controller
   3  * The definitions are taken from the 1992 users manual with Intel
   4  * order number 297125-001.
   5  *
   6  * /usr/src/pc/RCS/i82593.h,v 1.1 1996/07/17 15:23:12 root Exp
   7  *
   8  * Copyright 1994, Anders Klemets <klemets@it.kth.se>
   9  *
  10  * HISTORY
  11  * i82593.h,v
  12  * Revision 1.4  2005/11/4  09:15:00  baroniunas
  13  * Modified copyright with permission of author as follows:
  14  *
  15  *   "If I82539.H is the only file with my copyright statement
  16  *    that is included in the Source Forge project, then you have
  17  *    my approval to change the copyright statement to be a GPL
  18  *    license, in the way you proposed on October 10."
  19  *
  20  * Revision 1.1  1996/07/17 15:23:12  root
  21  * Initial revision
  22  *
  23  * Revision 1.3  1995/04/05  15:13:58  adj
  24  * Initial alpha release
  25  *
  26  * Revision 1.2  1994/06/16  23:57:31  klemets
  27  * Mirrored all the fields in the configuration block.
  28  *
  29  * Revision 1.1  1994/06/02  20:25:34  klemets
  30  * Initial revision
  31  *
  32  *
  33  */
  34 #ifndef _I82593_H
  35 #define _I82593_H
  36
  37 /* Intel 82593 CSMA/CD Core LAN Controller */
  38
  39 /* Port 0 Command Register definitions */
  40
  41 /* Execution operations */
  42 #define OP0_NOP                 0       /* CHNL = 0 */
  43 #define OP0_SWIT_TO_PORT_1      0       /* CHNL = 1 */
  44 #define OP0_IA_SETUP            1
  45 #define OP0_CONFIGURE           2
  46 #define OP0_MC_SETUP            3
  47 #define OP0_TRANSMIT            4
  48 #define OP0_TDR                 5
  49 #define OP0_DUMP                6
  50 #define OP0_DIAGNOSE            7
  51 #define OP0_TRANSMIT_NO_CRC     9
  52 #define OP0_RETRANSMIT          12
  53 #define OP0_ABORT               13
  54 /* Reception operations */
  55 #define OP0_RCV_ENABLE          8
  56 #define OP0_RCV_DISABLE         10
  57 #define OP0_STOP_RCV            11
  58 /* Status pointer control operations */
  59 #define OP0_FIX_PTR             15      /* CHNL = 1 */
  60 #define OP0_RLS_PTR             15      /* CHNL = 0 */
  61 #define OP0_RESET               14
  62
  63 #define CR0_CHNL                (1 << 4)        /* 0=Channel 0, 1=Channel 1 */
  64 #define CR0_STATUS_0            0x00
  65 #define CR0_STATUS_1            0x20
  66 #define CR0_STATUS_2            0x40
  67 #define CR0_STATUS_3            0x60
  68 #define CR0_INT_ACK             (1 << 7)        /* 0=No ack, 1=acknowledge */
  69
  70 /* Port 0 Status Register definitions */
  71
  72 #define SR0_NO_RESULT           0               /* dummy */
  73 #define SR0_EVENT_MASK          0x0f
  74 #define SR0_IA_SETUP_DONE       1
  75 #define SR0_CONFIGURE_DONE      2
  76 #define SR0_MC_SETUP_DONE       3
  77 #define SR0_TRANSMIT_DONE       4
  78 #define SR0_TDR_DONE            5
  79 #define SR0_DUMP_DONE           6
  80 #define SR0_DIAGNOSE_PASSED     7
  81 #define SR0_TRANSMIT_NO_CRC_DONE 9
  82 #define SR0_RETRANSMIT_DONE     12
  83 #define SR0_EXECUTION_ABORTED   13
  84 #define SR0_END_OF_FRAME        8
  85 #define SR0_RECEPTION_ABORTED   10
  86 #define SR0_DIAGNOSE_FAILED     15
  87 #define SR0_STOP_REG_HIT        11
  88
  89 #define SR0_CHNL                (1 << 4)
  90 #define SR0_EXECUTION           (1 << 5)
  91 #define SR0_RECEPTION           (1 << 6)
  92 #define SR0_INTERRUPT           (1 << 7)
  93 #define SR0_BOTH_RX_TX          (SR0_EXECUTION | SR0_RECEPTION)
  94
  95 #define SR3_EXEC_STATE_MASK     0x03
  96 #define SR3_EXEC_IDLE           0
  97 #define SR3_TX_ABORT_IN_PROGRESS 1
  98 #define SR3_EXEC_ACTIVE         2
  99 #define SR3_ABORT_IN_PROGRESS   3
 100 #define SR3_EXEC_CHNL           (1 << 2)
 101 #define SR3_STP_ON_NO_RSRC      (1 << 3)
 102 #define SR3_RCVING_NO_RSRC      (1 << 4)
 103 #define SR3_RCV_STATE_MASK      0x60
 104 #define SR3_RCV_IDLE            0x00
 105 #define SR3_RCV_READY           0x20
 106 #define SR3_RCV_ACTIVE          0x40
 107 #define SR3_RCV_STOP_IN_PROG    0x60
 108 #define SR3_RCV_CHNL            (1 << 7)
 109
 110 /* Port 1 Command Register definitions */
 111
 112 #define OP1_NOP                 0
 113 #define OP1_SWIT_TO_PORT_0      1
 114 #define OP1_INT_DISABLE         2
 115 #define OP1_INT_ENABLE          3
 116 #define OP1_SET_TS              5
 117 #define OP1_RST_TS              7
 118 #define OP1_POWER_DOWN          8
 119 #define OP1_RESET_RING_MNGMT    11
 120 #define OP1_RESET               14
 121 #define OP1_SEL_RST             15
 122
 123 #define CR1_STATUS_4            0x00
 124 #define CR1_STATUS_5            0x20
 125 #define CR1_STATUS_6            0x40
 126 #define CR1_STOP_REG_UPDATE     (1 << 7)
 127
 128 /* Receive frame status bits */
 129
 130 #define RX_RCLD                 (1 << 0)
 131 #define RX_IA_MATCH             (1 << 1)
 132 #define RX_NO_AD_MATCH          (1 << 2)
 133 #define RX_NO_SFD               (1 << 3)
 134 #define RX_SRT_FRM              (1 << 7)
 135 #define RX_OVRRUN               (1 << 8)
 136 #define RX_ALG_ERR              (1 << 10)
 137 #define RX_CRC_ERR              (1 << 11)
 138 #define RX_LEN_ERR              (1 << 12)
 139 #define RX_RCV_OK               (1 << 13)
 140 #define RX_TYP_LEN              (1 << 15)
 141
 142 /* Transmit status bits */
 143
 144 #define TX_NCOL_MASK            0x0f
 145 #define TX_FRTL                 (1 << 4)
 146 #define TX_MAX_COL              (1 << 5)
 147 #define TX_HRT_BEAT             (1 << 6)
 148 #define TX_DEFER                (1 << 7)
 149 #define TX_UND_RUN              (1 << 8)
 150 #define TX_LOST_CTS             (1 << 9)
 151 #define TX_LOST_CRS             (1 << 10)
 152 #define TX_LTCOL                (1 << 11)
 153 #define TX_OK                   (1 << 13)
 154 #define TX_COLL                 (1 << 15)
 155
 156 struct i82593_conf_block {
 157   u_char fifo_limit : 4,
 158          forgnesi   : 1,
 159          fifo_32    : 1,
 160          d6mod      : 1,
 161          throttle_enb : 1;
 162   u_char throttle   : 6,
 163          cntrxint   : 1,
 164          contin     : 1;
 165   u_char addr_len   : 3,
 166          acloc      : 1,
 167          preamb_len : 2,
 168          loopback   : 2;
 169   u_char lin_prio   : 3,
 170          tbofstop   : 1,
 171          exp_prio   : 3,
 172          bof_met    : 1;
 173   u_char            : 4,
 174          ifrm_spc   : 4;
 175   u_char            : 5,
 176          slottim_low : 3;
 177   u_char slottim_hi : 3,
 178                     : 1,
 179          max_retr   : 4;
 180   u_char prmisc     : 1,
 181          bc_dis     : 1,
 182                     : 1,
 183          crs_1      : 1,
 184          nocrc_ins  : 1,
 185          crc_1632   : 1,
 186                     : 1,
 187          crs_cdt    : 1;
 188   u_char cs_filter  : 3,
 189          crs_src    : 1,
 190          cd_filter  : 3,
 191                     : 1;
 192   u_char            : 2,
 193          min_fr_len : 6;
 194   u_char lng_typ    : 1,
 195          lng_fld    : 1,
 196          rxcrc_xf   : 1,
 197          artx       : 1,
 198          sarec      : 1,
 199          tx_jabber  : 1,        /* why is this called max_len in the manual? */
 200          hash_1     : 1,
 201          lbpkpol    : 1;
 202   u_char            : 6,
 203          fdx        : 1,
 204                     : 1;
 205   u_char dummy_6    : 6,        /* supposed to be ones */
 206          mult_ia    : 1,
 207          dis_bof    : 1;
 208   u_char dummy_1    : 1,        /* supposed to be one */
 209          tx_ifs_retrig : 2,
 210          mc_all     : 1,
 211          rcv_mon    : 2,
 212          frag_acpt  : 1,
 213          tstrttrs   : 1;
 214   u_char fretx      : 1,
 215          runt_eop   : 1,
 216          hw_sw_pin  : 1,
 217          big_endn   : 1,
 218          syncrqs    : 1,
 219          sttlen     : 1,
 220          tx_eop     : 1,
 221          rx_eop     : 1;
 222   u_char rbuf_size  : 5,
 223          rcvstop    : 1,
 224                     : 2;
 225 };
 226
 227 #define I82593_MAX_MULTICAST_ADDRESSES  128     /* Hardware hashed filter */
 228
 229 #endif /* _I82593_H */