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adb_iop.h

/*
 * ADB through the IOP
 * Written by Joshua M. Thompson
 */

/* IOP number and channel number for ADB */

#define ADB_IOP         IOP_NUM_ISM
#define ADB_CHAN  2

/* From the A/UX headers...maybe important, maybe not */

#define ADB_IOP_LISTEN  0x01
#define ADB_IOP_TALK    0x02
#define ADB_IOP_EXISTS  0x04
#define ADB_IOP_FLUSH   0x08
#define ADB_IOP_RESET   0x10
#define ADB_IOP_INT     0x20
#define ADB_IOP_POLL    0x40
#define ADB_IOP_UNINT   0x80

#define AIF_RESET 0x00
#define AIF_FLUSH 0x01
#define AIF_LISTEN      0x08
#define AIF_TALK  0x0C

/* Flag bits in struct adb_iopmsg */

#define ADB_IOP_EXPLICIT      0x80  /* nonzero if explicit command */
#define ADB_IOP_AUTOPOLL      0x40  /* auto/SRQ polling enabled    */
#define ADB_IOP_SRQ           0x04  /* SRQ detected                */
#define ADB_IOP_TIMEOUT       0x02  /* nonzero if timeout          */

#ifndef __ASSEMBLY__

00036 struct adb_iopmsg {
      __u8 flags;       /* ADB flags         */
      __u8 count;       /* no. of data bytes */
      __u8 cmd;         /* ADB command       */
      __u8 data[8];           /* ADB data          */
      __u8 spare[21];         /* spare             */
};

#endif /* __ASSEMBLY__ */

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