arch/m68k/include/asm/adb_iop.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * ADB through the IOP
   4  * Written by Joshua M. Thompson
   5  */
   6
   7 /* IOP number and channel number for ADB */
   8
   9 #define ADB_IOP         IOP_NUM_ISM
  10 #define ADB_CHAN        2
  11
  12 /* From the A/UX headers...maybe important, maybe not */
  13
  14 #define ADB_IOP_LISTEN  0x01
  15 #define ADB_IOP_TALK    0x02
  16 #define ADB_IOP_EXISTS  0x04
  17 #define ADB_IOP_FLUSH   0x08
  18 #define ADB_IOP_RESET   0x10
  19 #define ADB_IOP_INT     0x20
  20 #define ADB_IOP_POLL    0x40
  21 #define ADB_IOP_UNINT   0x80
  22
  23 #define AIF_RESET       0x00
  24 #define AIF_FLUSH       0x01
  25 #define AIF_LISTEN      0x08
  26 #define AIF_TALK        0x0C
  27
  28 /* Flag bits in struct adb_iopmsg */
  29
  30 #define ADB_IOP_EXPLICIT        0x80    /* nonzero if explicit command */
  31 #define ADB_IOP_AUTOPOLL        0x40    /* auto/SRQ polling enabled    */
  32 #define ADB_IOP_SRQ             0x04    /* SRQ detected                */
  33 #define ADB_IOP_TIMEOUT         0x02    /* nonzero if timeout          */
  34
  35 #ifndef __ASSEMBLY__
  36
  37 struct adb_iopmsg {
  38         __u8 flags;             /* ADB flags         */
  39         __u8 count;             /* no. of data bytes */
  40         __u8 cmd;               /* ADB command       */
  41         __u8 data[8];           /* ADB data          */
  42         __u8 spare[21];         /* spare             */
  43 };
  44
  45 #endif /* __ASSEMBLY__ */