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/*
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 * Interface to raw PS/2 aux port.
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 * Used by user-level mouse daemon.
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 */
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#include "u.h"
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#include "../port/lib.h"
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#include "mem.h"
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#include "dat.h"
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#include "fns.h"
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#include "../port/error.h"
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#include "io.h"
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#define Image	IMAGE
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#include <draw.h>
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#include <memdraw.h>
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#include <cursor.h>
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#include "screen.h"
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/*
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 * BUG: we ignore shift here.
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 * we need a more general solution,
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 * one that will also work for serial mice.
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 */
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Queue *psauxq;
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static void
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psauxputc(int c, int)
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{
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	uchar uc;
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	uc = c;
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	qproduce(psauxq, &uc, 1);
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}
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static long
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psauxread(Chan*, void *a, long n, vlong)
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{
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	return qread(psauxq, a, n);
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}
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static long
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psauxwrite(Chan*, void *a, long n, vlong)
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{
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	return i8042auxcmds(a, n);
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}
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void
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psauxlink(void)
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{
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	psauxq = qopen(1024, 0, 0, 0);
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	if(psauxq == nil)
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		panic("psauxlink");
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	qnoblock(psauxq, 1);
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	i8042auxenable(psauxputc);
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	addarchfile("psaux", DMEXCL|0660, psauxread, psauxwrite);
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}