1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/*
* Interface to raw PS/2 aux port.
* Used by user-level mouse daemon.
*/
#include "u.h"
#include "../port/lib.h"
#include "mem.h"
#include "dat.h"
#include "fns.h"
#include "../port/error.h"
#include "io.h"
#define Image IMAGE
#include <draw.h>
#include <memdraw.h>
#include <cursor.h>
#include "screen.h"
/*
* BUG: we ignore shift here.
* we need a more general solution,
* one that will also work for serial mice.
*/
Queue *psauxq;
static void
psauxputc(int c, int)
{
uchar uc;
uc = c;
qproduce(psauxq, &uc, 1);
}
static long
psauxread(Chan*, void *a, long n, vlong)
{
return qread(psauxq, a, n);
}
static long
psauxwrite(Chan*, void *a, long n, vlong)
{
return i8042auxcmds(a, n);
}
void
psauxlink(void)
{
psauxq = qopen(1024, 0, 0, 0);
if(psauxq == nil)
panic("psauxlink");
qnoblock(psauxq, 1);
i8042auxenable(psauxputc);
addarchfile("psaux", DMEXCL|0660, psauxread, psauxwrite);
}
|
