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
|
/* $Id: parport.h,v 1.2 2000/02/18 00:24:48 ralf Exp $
*
* parport.h: ia32-specific parport initialisation
*
* Copyright (C) 1999 Tim Waugh <tim@cyberelk.demon.co.uk>
*
* This file should only be included by drivers/parport/parport_pc.c.
*/
#ifndef _ASM_PARPORT_H
#define _ASM_PARPORT_H 1
#include <linux/config.h>
/* Maximum number of ports to support. It is useless to set this greater
than PARPORT_MAX (in <linux/parport.h>). */
#define PARPORT_PC_MAX_PORTS 8
static int parport_pc_init_pci(int irq, int dma);
static int parport_pc_init_superio(void);
static int user_specified __devinitdata = 0;
int __init
parport_pc_init(int *io, int *io_hi, int *irq, int *dma)
{
int count = 0, i = 0;
if (io && *io) {
/* Only probe the ports we were given. */
user_specified = 1;
do {
if (!*io_hi) *io_hi = 0x400 + *io;
if (parport_pc_probe_port(*(io++), *(io_hi++),
*(irq++), *(dma++), NULL))
count++;
} while (*io && (++i < PARPORT_PC_MAX_PORTS));
} else {
count += parport_pc_init_superio ();
if (parport_pc_probe_port(0x3bc, 0x7bc, irq[0], dma[0], NULL))
count++;
if (parport_pc_probe_port(0x378, 0x778, irq[0], dma[0], NULL))
count++;
if (parport_pc_probe_port(0x278, 0x678, irq[0], dma[0], NULL))
count++;
/* probe for other PCI parallel devices */
count += parport_pc_init_pci (irq[0], dma[0]);
}
return count;
}
#endif /* !(_ASM_PARPORT_H) */
|
