kbd-no.c
上传用户:lgb322
上传日期:2013-02-24
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文件大小:1k
- /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Stub keyboard and psaux routines to keep Linux from crashing on machines
- * without a keyboard.
- *
- * Copyright (C) 1998 by Ralf Baechle
- */
- #include <linux/sched.h>
- #include <asm/keyboard.h>
- static void no_kbd_request_region(void)
- {
- /* No I/O ports are being used on the Indy. */
- }
- static int no_kbd_request_irq(void (*handler)(int, void *, struct pt_regs *))
- {
- return -ENODEV;
- }
- static int no_aux_request_irq(void (*handler)(int, void *, struct pt_regs *))
- {
- return -ENODEV;
- }
- static void no_aux_free_irq(void)
- {
- }
- static unsigned char no_kbd_read_input(void)
- {
- return 0;
- }
- static void no_kbd_write_output(unsigned char val)
- {
- }
- static void no_kbd_write_command(unsigned char val)
- {
- }
- static unsigned char no_kbd_read_status(void)
- {
- return 0;
- }
- struct kbd_ops no_kbd_ops = {
- no_kbd_request_region,
- no_kbd_request_irq,
- no_aux_request_irq,
- no_aux_free_irq,
- no_kbd_read_input,
- no_kbd_write_output,
- no_kbd_write_command,
- no_kbd_read_status
- };