drivers/net/3c505.h

/* */
   1 /*****************************************************************
   2  *
   3  *  defines for 3Com Etherlink Plus adapter
   4  *
   5  *****************************************************************/
   6 
   7 /*
   8  * I/O register offsets
   9  */
  10 #define PORT_COMMAND    0x00    /* read/write, 8-bit */
  11 #define PORT_STATUS     0x02    /* read only, 8-bit */
  12 #define PORT_AUXDMA     0x02    /* write only, 8-bit */
  13 #define PORT_DATA       0x04    /* read/write, 16-bit */
  14 #define PORT_CONTROL    0x06    /* read/write, 8-bit */
  15 
  16 #define ELP_IO_EXTENT   0x10    /* size of used IO registers */
  17 
  18 /*
  19  * host control registers bits
  20  */
  21 #define ATTN    0x80    /* attention */
  22 #define FLSH    0x40    /* flush data register */
  23 #define DMAE    0x20    /* DMA enable */
  24 #define DIR     0x10    /* direction */
  25 #define TCEN    0x08    /* terminal count interrupt enable */
  26 #define CMDE    0x04    /* command register interrupt enable */
  27 #define HSF2    0x02    /* host status flag 2 */
  28 #define HSF1    0x01    /* host status flag 1 */
  29 
  30 /*
  31  * combinations of HSF flags used for PCB transmission
  32  */
  33 #define HSF_PCB_ACK     HSF1
  34 #define HSF_PCB_NAK     HSF2
  35 #define HSF_PCB_END     (HSF2|HSF1)
  36 #define HSF_PCB_MASK    (HSF2|HSF1)
  37 
  38 /*
  39  * host status register bits
  40  */
  41 #define HRDY    0x80    /* data register ready */
  42 #define HCRE    0x40    /* command register empty */
  43 #define ACRF    0x20    /* adapter command register full */
  44 /* #define DIR  0x10    direction - same as in control register */
  45 #define DONE    0x08    /* DMA done */
  46 #define ASF3    0x04    /* adapter status flag 3 */
  47 #define ASF2    0x02    /* adapter status flag 2 */
  48 #define ASF1    0x01    /* adapter status flag 1 */
  49 
  50 /*
  51  * combinations of ASF flags used for PCB reception
  52  */
  53 #define ASF_PCB_ACK     ASF1
  54 #define ASF_PCB_NAK     ASF2
  55 #define ASF_PCB_END     (ASF2|ASF1)
  56 #define ASF_PCB_MASK    (ASF2|ASF1)
  57 
  58 /*
  59  * host aux DMA register bits
  60  */
  61 #define DMA_BRST        0x01    /* DMA burst */
  62 
  63 /*
  64  * maximum amount of data data allowed in a PCB
  65  */
  66 #define MAX_PCB_DATA    62
  67 
  68 /*****************************************************************
  69  *
  70  *  timeout value
  71  *      this is a rough value used for loops to stop them from 
  72  *      locking up the whole machine in the case of failure or
  73  *      error conditions
  74  *
  75  *****************************************************************/
  76 
  77 #define TIMEOUT 300
  78 
  79 /*****************************************************************
  80  *
  81  * PCB commands
  82  *
  83  *****************************************************************/
  84 
  85 enum {
  86   /*
  87    * host PCB commands
  88    */
  89   CMD_CONFIGURE_ADAPTER_MEMORY  = 0x01,
  90   CMD_CONFIGURE_82586           = 0x02,
  91   CMD_STATION_ADDRESS           = 0x03,
  92   CMD_DMA_DOWNLOAD              = 0x04,
  93   CMD_DMA_UPLOAD                = 0x05,
  94   CMD_PIO_DOWNLOAD              = 0x06,
  95   CMD_PIO_UPLOAD                = 0x07,
  96   CMD_RECEIVE_PACKET            = 0x08,
  97   CMD_TRANSMIT_PACKET           = 0x09,
  98   CMD_NETWORK_STATISTICS        = 0x0a,
  99   CMD_LOAD_MULTICAST_LIST       = 0x0b,
 100   CMD_CLEAR_PROGRAM             = 0x0c,
 101   CMD_DOWNLOAD_PROGRAM          = 0x0d,
 102   CMD_EXECUTE_PROGRAM           = 0x0e,
 103   CMD_SELF_TEST                 = 0x0f,
 104   CMD_SET_STATION_ADDRESS       = 0x10,
 105   CMD_ADAPTER_INFO              = 0x11,
 106   NUM_TRANSMIT_CMDS,
 107 
 108   /*
 109    * adapter PCB commands
 110    */
 111   CMD_CONFIGURE_ADAPTER_RESPONSE        = 0x31,
 112   CMD_CONFIGURE_82586_RESPONSE          = 0x32,
 113   CMD_ADDRESS_RESPONSE                  = 0x33,
 114   CMD_DOWNLOAD_DATA_REQUEST             = 0x34,
 115   CMD_UPLOAD_DATA_REQUEST               = 0x35,
 116   CMD_RECEIVE_PACKET_COMPLETE           = 0x38,
 117   CMD_TRANSMIT_PACKET_COMPLETE          = 0x39,
 118   CMD_NETWORK_STATISTICS_RESPONSE       = 0x3a,
 119   CMD_LOAD_MULTICAST_RESPONSE           = 0x3b,
 120   CMD_CLEAR_PROGRAM_RESPONSE            = 0x3c,
 121   CMD_DOWNLOAD_PROGRAM_RESPONSE         = 0x3d,
 122   CMD_EXECUTE_RESPONSE                  = 0x3e,
 123   CMD_SELF_TEST_RESPONSE                = 0x3f,
 124   CMD_SET_ADDRESS_RESPONSE              = 0x40,
 125   CMD_ADAPTER_INFO_RESPONSE             = 0x41
 126 };
 127 
 128 /* Definitions for the PCB data structure */
 129 
 130 /* Data units */
 131 typedef unsigned char         byte;
 132 typedef unsigned short int    word;
 133 typedef unsigned long int     dword;
 134 
 135 /* Data structures */
 136 struct Memconf {
 137         word    cmd_q,
 138                 rcv_q,
 139                 mcast,
 140                 frame,
 141                 rcv_b,
 142                 progs;
 143 };
 144 
 145 struct Rcv_pkt {
 146         word    buf_ofs,
 147                 buf_seg,
 148                 buf_len,
 149                 timeout;
 150 };
 151 
 152 struct Xmit_pkt {
 153         word    buf_ofs,
 154                 buf_seg,
 155                 pkt_len;
 156 };
 157 
 158 struct Rcv_resp {
 159         word    buf_ofs,
 160                 buf_seg,
 161                 buf_len,
 162                 pkt_len,
 163                 timeout,
 164                 status;
 165         dword   timetag;
 166 };
 167 
 168 struct Xmit_resp {
 169         word    buf_ofs,
 170                 buf_seg,
 171                 c_stat,
 172                 status;
 173 };
 174 
 175 
 176 struct Netstat {
 177         dword   tot_recv,
 178                 tot_xmit;
 179         word    err_CRC,
 180                 err_align,
 181                 err_res,
 182                 err_ovrrun;
 183 };
 184 
 185 
 186 struct Selftest {
 187         word    error;
 188         union {
 189                 word ROM_cksum;
 190                 struct {
 191                         word ofs, seg;
 192                 } RAM;
 193                 word i82586;
 194         } failure;
 195 };
 196 
 197 struct Info {
 198         byte    minor_vers,
 199                 major_vers;
 200         word    ROM_cksum,
 201                 RAM_sz,
 202                 free_ofs,
 203                 free_seg;
 204 };
 205 
 206 struct Memdump {
 207        word size,
 208             off,
 209             seg;
 210 };
 211 
 212 /*
 213 Primary Command Block. The most important data structure. All communication
 214 between the host and the adapter is done with these. (Except for the actual
 215 ethernet data, which has different packaging.)
 216 */
 217 typedef struct {
 218         byte    command;
 219         byte    length;
 220         union   {
 221                 struct Memconf          memconf;
 222                 word                    configure;
 223                 struct Rcv_pkt          rcv_pkt;
 224                 struct Xmit_pkt         xmit_pkt;
 225                 byte                    multicast[10][6];
 226                 byte                    eth_addr[6];
 227                 byte                    failed;
 228                 struct Rcv_resp         rcv_resp;
 229                 struct Xmit_resp        xmit_resp;
 230                 struct Netstat          netstat;
 231                 struct Selftest         selftest;
 232                 struct Info             info;
 233                 struct Memdump          memdump;
 234                 byte                    raw[62];
 235         } data;
 236 } pcb_struct;
 237 
 238 /* These defines for 'configure' */
 239 #define RECV_STATION    0x00
 240 #define RECV_BROAD      0x01
 241 #define RECV_MULTI      0x02
 242 #define RECV_PROMISC    0x04
 243 #define NO_LOOPBACK     0x00
 244 #define INT_LOOPBACK    0x08
 245 #define EXT_LOOPBACK    0x10
/* */
root/drivers/net/3c505.h

INCLUDED FROM
