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
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2000 AG Electronics Ltd.
* Copyright (C) 2003-2004 Linux Networx
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc.
*/
#include <arch/io.h>
#include "pc8374.h"
static void pc8374_enable(u16 iobase, u8 *init)
{
u8 val, count;
outb(0x29, iobase);
val = inb(iobase + 1);
val |= 0x91;
outb(val, iobase + 1);
for (count = 0; count < 255; count++)
if (inb(iobase + 1) == 0x91)
break;
for (; *init; init++) {
outb(*init, iobase);
val = inb(iobase + 1);
init++;
val &= *init;
init++;
val |= *init;
outb(val, iobase + 1);
}
}
static void pc8374_enable_dev(pnp_devfn_t dev, u16 iobase)
{
pnp_set_logical_device(dev);
pnp_set_enable(dev, 0);
if (iobase)
pnp_set_iobase(dev, PNP_IDX_IO0, iobase);
pnp_set_enable(dev, 1);
}
|