arch/mips/lib/floppy-no.c

   1 /* $Id: floppy-no.c,v 1.1 1998/05/07 18:38:32 ralf Exp $
   2  *
   3  * This file is subject to the terms and conditions of the GNU General Public
   4  * License.  See the file "COPYING" in the main directory of this archive
   5  * for more details.
   6  *
   7  * Dummy file for machines without standard floppy drives.
   8  *
   9  * Copyright (C) 1998 by Ralf Baechle
  10  */
  11 #include <linux/init.h>
  12 #include <linux/kernel.h>
  13 #include <linux/mm.h>
  14 #include <asm/floppy.h>
  15
  16 /*
  17  * How to access the FDC's registers.
  18  */
  19 static void no_fd_dummy(void)
  20 {
  21         panic("no_fd_dummy called - shouldn't happen");
  22 }
  23
  24 static unsigned long no_fd_getfdaddr1(void)
  25 {
  26         return (unsigned long)-1;       /* No FDC nowhere ... */
  27 }
  28
  29 static unsigned long no_fd_drive_type(unsigned long n)
  30 {
  31         return 0;
  32 }
  33
  34 struct fd_ops no_fd_ops = {
  35         /*
  36          * How to access the floppy controller's ports
  37          */
  38         (void *) no_fd_dummy,
  39         (void *) no_fd_dummy,
  40         /*
  41          * How to access the floppy DMA functions.
  42          */
  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         (void *) no_fd_dummy,
  54         no_fd_getfdaddr1,
  55         (void *) no_fd_dummy,
  56         (void *) no_fd_dummy,
  57         no_fd_drive_type
  58 };