/* * linux/drivers/char/dummy_keyb.c * * Allows CONFIG_VT on hardware without keyboards. * * Copyright (C) 1999, 2001 Bradley D. LaRonde * * 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. * * What is this for? * * Not all systems have keyboards. Some don't even have a keyboard * port. However, some of those systems have video support and can * use the virtual terminal support for display. However, the virtual * terminal code expects a keyboard of some kind. This driver keeps * the virtual terminal code happy by providing it a "keyboard", albeit * a very quiet one. * * If you want to use the virtual terminal support but your system * does not support a keyboard, define CONFIG_DUMMY_KEYB along with * CONFIG_VT. * */ #include #include #include void kbd_leds(unsigned char leds) { } int kbd_setkeycode(unsigned int scancode, unsigned int keycode) { return (scancode == keycode) ? 0 : -EINVAL; } int kbd_getkeycode(unsigned int scancode) { return scancode; } int kbd_translate(unsigned char scancode, unsigned char *keycode, char raw_mode) { *keycode = scancode; return 1; } char kbd_unexpected_up(unsigned char keycode) { return 0x80; } void __init kbd_init_hw(void) { printk("Dummy keyboard driver installed.\n"); }