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1 | #ifndef _FDC_ISR_H |
2 | #define _FDC_ISR_H | |
3 | ||
4 | /* | |
5 | * Copyright (C) 1993-1996 Bas Laarhoven, | |
6 | * (C) 1996-1997 Claus-Justus Heine. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2, or (at your option) | |
11 | any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; see the file COPYING. If not, write to | |
20 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
21 | ||
22 | * | |
23 | * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/fdc-isr.h,v $ | |
24 | * $Revision: 1.2 $ | |
25 | * $Date: 1997/10/05 19:18:07 $ | |
26 | * | |
27 | * This file declares the global variables necessary to | |
28 | * synchronize the interrupt service routine (isr) with the | |
29 | * remainder of the QIC-40/80/3010/3020 floppy-tape driver | |
30 | * "ftape" for Linux. | |
31 | */ | |
32 | ||
33 | /* | |
34 | * fdc-isr.c defined public variables | |
35 | */ | |
36 | extern volatile int ft_expected_stray_interrupts; /* masks stray interrupts */ | |
37 | extern volatile int ft_seek_completed; /* flag set by isr */ | |
38 | extern volatile int ft_interrupt_seen; /* flag set by isr */ | |
39 | extern volatile int ft_hide_interrupt; /* flag set by isr */ | |
40 | ||
41 | /* | |
42 | * fdc-io.c defined public functions | |
43 | */ | |
44 | extern void fdc_isr(void); | |
45 | ||
46 | /* | |
47 | * A kernel hook that steals one interrupt from the floppy | |
48 | * driver (Should be fixed when the new fdc driver gets ready) | |
49 | * See the linux kernel source files: | |
50 | * drivers/block/floppy.c & drivers/block/blk.h | |
51 | * for the details. | |
52 | */ | |
53 | extern void (*do_floppy) (void); | |
54 | ||
55 | #endif |