include/linux/sdla.h

/* */
   1 /*
   2  * INET         An implementation of the TCP/IP protocol suite for the LINUX
   3  *              operating system.  INET is implemented using the  BSD Socket
   4  *              interface as the means of communication with the user level.
   5  *
   6  *              Global definitions for the Frame relay interface.
   7  *
   8  * Version:     @(#)if_ifrad.h  0.10    23 Mar 96
   9  *
  10  * Author:      Mike McLagan <mike.mclagan@linux.org>
  11  *
  12  *              This program is free software; you can redistribute it and/or
  13  *              modify it under the terms of the GNU General Public License
  14  *              as published by the Free Software Foundation; either version
  15  *              2 of the License, or (at your option) any later version.
  16  */
  17 
  18 #ifndef SDLA_H
  19 #define SDLA_H
  20 
  21 /* adapter type */
  22 #define SDLA_TYPES
  23 #define SDLA_S502A                      5020
  24 #define SDLA_S502E                      5021
  25 #define SDLA_S503                       5030
  26 #define SDLA_S507                       5070
  27 #define SDLA_S508                       5080
  28 #define SDLA_S509                       5090
  29 #define SDLA_UNKNOWN                    -1
  30 
  31 /* port selection flags for the S508 */
  32 #define SDLA_S508_PORT_V35              0x00
  33 #define SDLA_S508_PORT_RS232            0x02
  34 
  35 /* Z80 CPU speeds */
  36 #define SDLA_CPU_3M                     0x00
  37 #define SDLA_CPU_5M                     0x01
  38 #define SDLA_CPU_7M                     0x02
  39 #define SDLA_CPU_8M                     0x03
  40 #define SDLA_CPU_10M                    0x04
  41 #define SDLA_CPU_16M                    0x05
  42 #define SDLA_CPU_12M                    0x06
  43 
  44 /* some private IOCTLs */
  45 #define SDLA_IDENTIFY                   (FRAD_LAST_IOCTL + 1)
  46 #define SDLA_CPUSPEED                   (FRAD_LAST_IOCTL + 2)
  47 #define SDLA_PROTOCOL                   (FRAD_LAST_IOCTL + 3)
  48 
  49 #define SDLA_CLEARMEM                   (FRAD_LAST_IOCTL + 4)
  50 #define SDLA_WRITEMEM                   (FRAD_LAST_IOCTL + 5)
  51 #define SDLA_READMEM                    (FRAD_LAST_IOCTL + 6)
  52 
  53 struct sdla_mem {
  54    int  addr;
  55    int  len;
  56    void *data;
  57 };
  58 
  59 #define SDLA_START                      (FRAD_LAST_IOCTL + 7)
  60 #define SDLA_STOP                       (FRAD_LAST_IOCTL + 8)
  61 
  62 /* some offsets in the Z80's memory space */
  63 #define SDLA_NMIADDR                    0x0000
  64 #define SDLA_CONF_ADDR                  0x0010
  65 #define SDLA_S502A_NMIADDR              0x0066
  66 #define SDLA_CODE_BASEADDR              0x0100
  67 
  68 /* largest handlable block of data */
  69 #define SDLA_MAX_DATA                   4080
  70 #define SDLA_MAX_MTU                    4072    /* MAX_DATA - sizeof(fradhdr) */
  71 #define SDLA_MAX_DLCI                   24
  72 
  73 struct sdla_conf {
  74    short station;
  75    short config;
  76    short kbaud;
  77    short clocking;
  78    short max_frm;
  79    short T391;
  80    short T392;
  81    short N391;
  82    short N392;
  83    short N393;
  84    short CIR_fwd;
  85    short Bc_fwd;
  86    short Be_fwd;
  87    short CIR_bwd;
  88    short Bc_bwd;
  89    short Be_bwd;
  90 };
  91 
  92 struct sdla_dlci {
  93    short config;
  94    short CIR_fwd;
  95    short Bc_fwd;
  96    short Be_fwd;
  97    short CIR_bwd;
  98    short Bc_bwd;
  99    short Be_bwd; 
 100 
 101 /* these are part of the status READ */
 102    short Tc_fwd;
 103    short Tc_bwd;
 104    short Tf_max;
 105    short Tb_max;
 106 };
 107 
 108 #ifndef __KERNEL__
 109 
 110 void sdla(void *cfg_info, char *dev, struct frad_conf *conf, int quiet);
 111 
 112 #else
 113 
 114 /* important Z80 window addresses */
 115 #define SDLA_CONTROL_WND                0xE000
 116 
 117 #define SDLA_502_CMD_BUF                0xEF60
 118 #define SDLA_502_RCV_BUF                0xA900
 119 #define SDLA_502_TXN_AVAIL              0xFFF1
 120 #define SDLA_502_RCV_AVAIL              0xFFF2
 121 #define SDLA_502_EVENT_FLAGS            0xFFF3
 122 #define SDLA_502_MDM_STATUS             0xFFF4
 123 #define SDLA_502_IRQ_INTERFACE          0xFFFD
 124 #define SDLA_502_IRQ_PERMISSION         0xFFFE
 125 #define SDLA_502_DATA_OFS               0x0010
 126 
 127 #define SDLA_508_CMD_BUF                0xE000
 128 #define SDLA_508_TXBUF_INFO             0xF100
 129 #define SDLA_508_RXBUF_INFO             0xF120
 130 #define SDLA_508_EVENT_FLAGS            0xF003
 131 #define SDLA_508_MDM_STATUS             0xF004
 132 #define SDLA_508_IRQ_INTERFACE          0xF010
 133 #define SDLA_508_IRQ_PERMISSION         0xF011
 134 #define SDLA_508_TSE_OFFSET             0xF012
 135 
 136 /* Event flags */
 137 #define SDLA_EVENT_STATUS               0x01
 138 #define SDLA_EVENT_DLCI_STATUS          0x02
 139 #define SDLA_EVENT_BAD_DLCI             0x04
 140 #define SDLA_EVENT_LINK_DOWN            0x40
 141 
 142 /* IRQ Trigger flags */
 143 #define SDLA_INTR_RX                    0x01
 144 #define SDLA_INTR_TX                    0x02
 145 #define SDLA_INTR_MODEM                 0x04
 146 #define SDLA_INTR_COMPLETE              0x08
 147 #define SDLA_INTR_STATUS                0x10
 148 #define SDLA_INTR_TIMER                 0x20
 149 
 150 /* DLCI status bits */
 151 #define SDLA_DLCI_DELETED               0x01
 152 #define SDLA_DLCI_ACTIVE                0x02
 153 #define SDLA_DLCI_WAITING               0x04
 154 #define SDLA_DLCI_NEW                   0x08
 155 #define SDLA_DLCI_INCLUDED              0x40
 156 
 157 /* valid command codes */
 158 #define SDLA_INFORMATION_WRITE          0x01
 159 #define SDLA_INFORMATION_READ           0x02
 160 #define SDLA_ISSUE_IN_CHANNEL_SIGNAL    0x03
 161 #define SDLA_SET_DLCI_CONFIGURATION     0x10
 162 #define SDLA_READ_DLCI_CONFIGURATION    0x11
 163 #define SDLA_DISABLE_COMMUNICATIONS     0x12
 164 #define SDLA_ENABLE_COMMUNICATIONS      0x13
 165 #define SDLA_READ_DLC_STATUS            0x14
 166 #define SDLA_READ_DLC_STATISTICS        0x15
 167 #define SDLA_FLUSH_DLC_STATISTICS       0x16
 168 #define SDLA_LIST_ACTIVE_DLCI           0x17
 169 #define SDLA_FLUSH_INFORMATION_BUFFERS  0x18
 170 #define SDLA_ADD_DLCI                   0x20
 171 #define SDLA_DELETE_DLCI                0x21
 172 #define SDLA_ACTIVATE_DLCI              0x22
 173 #define SDLA_DEACTIVATE_DLCI            0x23
 174 #define SDLA_READ_MODEM_STATUS          0x30
 175 #define SDLA_SET_MODEM_STATUS           0x31
 176 #define SDLA_READ_COMMS_ERR_STATS       0x32
 177 #define SDLA_FLUSH_COMMS_ERR_STATS      0x33
 178 #define SDLA_READ_CODE_VERSION          0x40
 179 #define SDLA_SET_IRQ_TRIGGER            0x50
 180 #define SDLA_GET_IRQ_TRIGGER            0x51
 181 
 182 /* In channel signal types */
 183 #define SDLA_ICS_LINK_VERIFY            0x02
 184 #define SDLA_ICS_STATUS_ENQ             0x03
 185 
 186 /* modem status flags */
 187 #define SDLA_MODEM_DTR_HIGH             0x01
 188 #define SDLA_MODEM_RTS_HIGH             0x02
 189 #define SDLA_MODEM_DCD_HIGH             0x08
 190 #define SDLA_MODEM_CTS_HIGH             0x20
 191 
 192 /* used for RET_MODEM interpretation */
 193 #define SDLA_MODEM_DCD_LOW              0x01
 194 #define SDLA_MODEM_CTS_LOW              0x02
 195 
 196 /* return codes */
 197 #define SDLA_RET_OK                     0x00
 198 #define SDLA_RET_COMMUNICATIONS         0x01
 199 #define SDLA_RET_CHANNEL_INACTIVE       0x02
 200 #define SDLA_RET_DLCI_INACTIVE          0x03
 201 #define SDLA_RET_DLCI_CONFIG            0x04
 202 #define SDLA_RET_BUF_TOO_BIG            0x05
 203 #define SDLA_RET_NO_DATA                0x05
 204 #define SDLA_RET_BUF_OVERSIZE           0x06
 205 #define SDLA_RET_CIR_OVERFLOW           0x07
 206 #define SDLA_RET_NO_BUFF                0x08
 207 #define SDLA_RET_TIMEOUT                0x0A
 208 #define SDLA_RET_MODEM                  0x10
 209 #define SDLA_RET_CHANNEL_OFF            0x11
 210 #define SDLA_RET_CHANNEL_ON             0x12
 211 #define SDLA_RET_DLCI_STATUS            0x13
 212 #define SDLA_RET_DLCI_UNKNOWN           0x14
 213 #define SDLA_RET_COMMAND_INVALID        0x1F
 214 
 215 /* Configuration flags */
 216 #define SDLA_DIRECT_RECV                0x0080
 217 
 218 /* IRQ selection flags */
 219 #define SDLA_IRQ_RECEIVE                0x01
 220 #define SDLA_IRQ_TRANSMIT               0x02
 221 #define SDLA_IRQ_MODEM_STAT             0x04
 222 #define SDLA_IRQ_COMMAND                0x08
 223 #define SDLA_IRQ_CHANNEL                0x10
 224 #define SDLA_IRQ_TIMER                  0x20
 225 
 226 /* definitions for PC memory mapping */
 227 #define SDLA_8K_WINDOW                  0x01
 228 #define SDLA_S502_SEG_A                 0x10
 229 #define SDLA_S502_SEG_C                 0x20
 230 #define SDLA_S502_SEG_D                 0x00
 231 #define SDLA_S502_SEG_E                 0x30
 232 #define SDLA_S507_SEG_A                 0x00
 233 #define SDLA_S507_SEG_B                 0x40
 234 #define SDLA_S507_SEG_C                 0x80
 235 #define SDLA_S507_SEG_E                 0xC0
 236 #define SDLA_S508_SEG_A                 0x00
 237 #define SDLA_S508_SEG_C                 0x10
 238 #define SDLA_S508_SEG_D                 0x08
 239 #define SDLA_S508_SEG_E                 0x18
 240 
 241 /* SDLA adapter port constants */
 242 #define SDLA_IO_EXTENTS                 0x04
 243         
 244 #define SDLA_REG_CONTROL                0x00
 245 #define SDLA_REG_PC_WINDOW              0x01    /* offset for PC window select latch */
 246 #define SDLA_REG_Z80_WINDOW             0x02    /* offset for Z80 window select latch */
 247 #define SDLA_REG_Z80_CONTROL            0x03    /* offset for Z80 control latch */
 248         
 249 #define SDLA_S502_STS                   0x00    /* status reg for 502, 502E, 507 */
 250 #define SDLA_S508_GNRL                  0x00    /* general purp. reg for 508 */
 251 #define SDLA_S508_STS                   0x01    /* status reg for 508 */
 252 #define SDLA_S508_IDR                   0x02    /* ID reg for 508 */
 253         
 254 /* control register flags */
 255 #define SDLA_S502A_START                0x00    /* start the CPU */
 256 #define SDLA_S502A_INTREQ               0x02
 257 #define SDLA_S502A_INTEN                0x04
 258 #define SDLA_S502A_HALT                 0x08    /* halt the CPU */      
 259 #define SDLA_S502A_NMI                  0x10    /* issue an NMI to the CPU */
 260 
 261 #define SDLA_S502E_CPUEN                0x01
 262 #define SDLA_S502E_ENABLE               0x02
 263 #define SDLA_S502E_INTACK               0x04
 264         
 265 #define SDLA_S507_ENABLE                0x01
 266 #define SDLA_S507_IRQ3                  0x00
 267 #define SDLA_S507_IRQ4                  0x20
 268 #define SDLA_S507_IRQ5                  0x40
 269 #define SDLA_S507_IRQ7                  0x60
 270 #define SDLA_S507_IRQ10                 0x80
 271 #define SDLA_S507_IRQ11                 0xA0
 272 #define SDLA_S507_IRQ12                 0xC0
 273 #define SDLA_S507_IRQ15                 0xE0
 274         
 275 #define SDLA_HALT                       0x00
 276 #define SDLA_CPUEN                      0x02
 277 #define SDLA_MEMEN                      0x04
 278 #define SDLA_S507_EPROMWR               0x08
 279 #define SDLA_S507_EPROMCLK              0x10
 280 #define SDLA_S508_INTRQ                 0x08
 281 #define SDLA_S508_INTEN                 0x10
 282 
 283 struct sdla_cmd {
 284    char  opp_flag               __attribute__((packed));
 285    char  cmd                    __attribute__((packed));
 286    short length                 __attribute__((packed));
 287    char  retval                 __attribute__((packed));
 288    short dlci                   __attribute__((packed));
 289    char  flags                  __attribute__((packed));
 290    short rxlost_int             __attribute__((packed));
 291    long  rxlost_app             __attribute__((packed));
 292    char  reserve[2]             __attribute__((packed));
 293    char  data[SDLA_MAX_DATA]    __attribute__((packed));        /* transfer data buffer */
 294 };
 295 
 296 struct intr_info {
 297    char  flags          __attribute__((packed));
 298    short txlen          __attribute__((packed));
 299    char  irq            __attribute__((packed));
 300    char  flags2         __attribute__((packed));
 301    short timeout        __attribute__((packed));
 302 };
 303 
 304 /* found in the 508's control window at RXBUF_INFO */
 305 struct buf_info {
 306    unsigned short rse_num       __attribute__((packed));
 307    unsigned long  rse_base      __attribute__((packed));
 308    unsigned long  rse_next      __attribute__((packed));
 309    unsigned long  buf_base      __attribute__((packed));
 310    unsigned short reserved      __attribute__((packed));
 311    unsigned long  buf_top       __attribute__((packed));
 312 };
 313 
 314 /* structure pointed to by rse_base in RXBUF_INFO struct */
 315 struct buf_entry {
 316    char  opp_flag       __attribute__((packed));
 317    short length         __attribute__((packed));
 318    short dlci           __attribute__((packed));
 319    char  flags          __attribute__((packed));
 320    short timestamp      __attribute__((packed));
 321    short reserved[2]    __attribute__((packed));
 322    long  buf_addr       __attribute__((packed));
 323 };
 324 
 325 #endif
 326 
 327 #endif
/* */
root/include/linux/sdla.h

INCLUDED FROM
