45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/*
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* ADB through the IOP
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* Written by Joshua M. Thompson
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*/
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/* IOP number and channel number for ADB */
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#define ADB_IOP IOP_NUM_ISM
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#define ADB_CHAN 2
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/* From the A/UX headers...maybe important, maybe not */
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#define ADB_IOP_LISTEN 0x01
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#define ADB_IOP_TALK 0x02
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#define ADB_IOP_EXISTS 0x04
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#define ADB_IOP_FLUSH 0x08
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#define ADB_IOP_RESET 0x10
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#define ADB_IOP_INT 0x20
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#define ADB_IOP_POLL 0x40
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#define ADB_IOP_UNINT 0x80
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#define AIF_RESET 0x00
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#define AIF_FLUSH 0x01
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#define AIF_LISTEN 0x08
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#define AIF_TALK 0x0C
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/* Flag bits in struct adb_iopmsg */
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#define ADB_IOP_EXPLICIT 0x80 /* nonzero if explicit command */
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#define ADB_IOP_AUTOPOLL 0x40 /* auto/SRQ polling enabled */
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#define ADB_IOP_SRQ 0x04 /* SRQ detected */
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#define ADB_IOP_TIMEOUT 0x02 /* nonzero if timeout */
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#ifndef __ASSEMBLY__
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struct adb_iopmsg {
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__u8 flags; /* ADB flags */
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__u8 count; /* no. of data bytes */
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__u8 cmd; /* ADB command */
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__u8 data[8]; /* ADB data */
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__u8 spare[21]; /* spare */
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};
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#endif /* __ASSEMBLY__ */
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