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 56