1 /*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Dummy file for machines without standard floppy drives.
7 *
8 * Copyright (C) 1998 by Ralf Baechle
9 */
10 #include <linux/init.h>
11 #include <linux/kernel.h>
12 #include <linux/mm.h>
13 #include <asm/floppy.h>
14
15 /*
16 * How to access the FDC's registers.
17 */
no_fd_dummy(void)18 static void no_fd_dummy(void)
19 {
20 panic("no_fd_dummy called - shouldn't happen");
21 }
22
no_fd_getfdaddr1(void)23 static unsigned long no_fd_getfdaddr1(void)
24 {
25 return (unsigned long)-1; /* No FDC nowhere ... */
26 }
27
no_fd_drive_type(unsigned long n)28 static unsigned long no_fd_drive_type(unsigned long n)
29 {
30 return 0;
31 }
32
33 struct fd_ops no_fd_ops = {
34 /*
35 * How to access the floppy controller's ports
36 */
37 (void *) no_fd_dummy,
38 (void *) no_fd_dummy,
39 /*
40 * How to access the floppy DMA functions.
41 */
42 (void *) no_fd_dummy,
43 (void *) no_fd_dummy,
44 (void *) no_fd_dummy,
45 (void *) no_fd_dummy,
46 (void *) no_fd_dummy,
47 (void *) no_fd_dummy,
48 (void *) no_fd_dummy,
49 (void *) no_fd_dummy,
50 (void *) no_fd_dummy,
51 (void *) no_fd_dummy,
52 (void *) no_fd_dummy,
53 no_fd_getfdaddr1,
54 (void *) no_fd_dummy,
55 (void *) no_fd_dummy,
56 no_fd_drive_type
57 };
58