arch/mips/lib/kbd-no.c

   1 /* $Id: kbd-no.c,v 1.1 1998/10/28 12:38:14 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  * Stub keyboard and psaux routines to keep Linux from crashing on machines
   8  * without a keyboard.
   9  *
  10  * Copyright (C) 1998 by Ralf Baechle
  11  */
  12 #include <linux/sched.h>
  13 #include <asm/keyboard.h>
  14
  15 static void no_kbd_request_region(void)
  16 {
  17         /* No I/O ports are being used on the Indy.  */
  18 }
  19
  20 static int no_kbd_request_irq(void (*handler)(int, void *, struct pt_regs *))
  21 {
  22         return -ENODEV;
  23 }
  24
  25 static int no_aux_request_irq(void (*handler)(int, void *, struct pt_regs *))
  26 {
  27         return -ENODEV;
  28 }
  29
  30 static void no_aux_free_irq(void)
  31 {
  32 }
  33
  34 static unsigned char no_kbd_read_input(void)
  35 {
  36         return 0;
  37 }
  38
  39 static void no_kbd_write_output(unsigned char val)
  40 {
  41 }
  42
  43 static void no_kbd_write_command(unsigned char val)
  44 {
  45 }
  46
  47 static unsigned char no_kbd_read_status(void)
  48 {
  49         return 0;
  50 }
  51
  52 struct kbd_ops no_kbd_ops = {
  53         no_kbd_request_region,
  54         no_kbd_request_irq,
  55
  56         no_aux_request_irq,
  57         no_aux_free_irq,
  58
  59         no_kbd_read_input,
  60         no_kbd_write_output,
  61         no_kbd_write_command,
  62         no_kbd_read_status
  63 };