keybdev.c
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- /*
- * $Id: keybdev.c,v 1.3 2000/05/28 17:31:36 vojtech Exp $
- *
- * Copyright (c) 1999-2000 Vojtech Pavlik
- *
- * Input driver to keyboard driver binding.
- *
- * Sponsored by SuSE
- */
- /*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * Should you need to contact me, the author, you can do so either by
- * e-mail - mail your message to <vojtech@suse.cz>, or by paper mail:
- * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
- */
- #include <linux/config.h>
- #include <linux/kbd_ll.h>
- #include <linux/input.h>
- #include <linux/slab.h>
- #include <linux/init.h>
- #include <linux/tty.h>
- #include <linux/module.h>
- #include <linux/kbd_kern.h>
- #if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(__alpha__) ||
- defined(__mips__) || defined(CONFIG_SPARC64) || defined(CONFIG_SUPERH) ||
- defined(CONFIG_PPC) || defined(__mc68000__) || defined(__hppa__) ||
- defined(__arm__)
- static int x86_sysrq_alt = 0;
- #ifdef CONFIG_SPARC64
- static int sparc_l1_a_state = 0;
- extern void batten_down_hatches(void);
- #endif
- static int jp_kbd_109 = 1; /* Yes, .jp is the default. See 51142. */
- static unsigned short x86_keycodes[256] =
- { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
- 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
- 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
- 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
- 80, 81, 82, 83, 43, 85, 86, 87, 88,115,119,120,121,375,123, 90,
- 284,285,309,298,312, 91,327,328,329,331,333,335,336,337,338,339,
- 367,294,293,286,350, 92,334,512,116,377,109,111,373,347,348,349,
- 360, 93, 94, 95, 98,376,100,101,357,316,354,304,289,102,351,355,
- 103,104,105,275,281,272,306,106,274,107,288,364,358,363,362,361,
- 291,108,381,290,287,292,279,305,280, 99,112,257,258,113,270,114,
- 118,117,125,374,379,259,260,261,262,263,264,265,266,267,268,269,
- 271,273,276,277,278,282,283,295,296,297,299,300,301,302,303,307,
- 308,310,313,314,315,317,318,319,320,321,322,323,324,325,326,330,
- 332,340,341,342,343,344,345,346,356,359,365,368,369,370,371,372 };
- #ifdef CONFIG_MAC_EMUMOUSEBTN
- extern int mac_hid_mouse_emulate_buttons(int, int, int);
- #endif /* CONFIG_MAC_EMUMOUSEBTN */
- #ifdef CONFIG_MAC_ADBKEYCODES
- extern int mac_hid_keyboard_sends_linux_keycodes(void);
- #else
- #define mac_hid_keyboard_sends_linux_keycodes() 0
- #endif /* CONFIG_MAC_ADBKEYCODES */
- #if defined(CONFIG_MAC_ADBKEYCODES) || defined(CONFIG_ADB_KEYBOARD)
- static unsigned char mac_keycodes[256] = {
- 0, 53, 18, 19, 20, 21, 23, 22, 26, 28, 25, 29, 27, 24, 51, 48,
- 12, 13, 14, 15, 17, 16, 32, 34, 31, 35, 33, 30, 36, 54,128, 1,
- 2, 3, 5, 4, 38, 40, 37, 41, 39, 50, 56, 42, 6, 7, 8, 9,
- 11, 45, 46, 43, 47, 44,123, 67, 58, 49, 57,122,120, 99,118, 96,
- 97, 98,100,101,109, 71,107, 89, 91, 92, 78, 86, 87, 88, 69, 83,
- 84, 85, 82, 65, 42, 0, 10,103,111, 0, 0, 0, 0, 0, 0, 0,
- 76,125, 75,105,124,110,115, 62,116, 59, 60,119, 61,121,114,117,
- 0, 0, 0, 0,127, 81, 0,113, 0, 0, 0, 0, 95, 55, 55, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 94, 0, 93, 0, 0, 0, 0, 0, 0,104,102 };
- #endif /* CONFIG_MAC_ADBKEYCODES || CONFIG_ADB_KEYBOARD */
-
- static int emulate_raw(unsigned int keycode, int down)
- {
- #ifdef CONFIG_MAC_EMUMOUSEBTN
- if (mac_hid_mouse_emulate_buttons(1, keycode, down))
- return 0;
- #endif /* CONFIG_MAC_EMUMOUSEBTN */
- #if defined(CONFIG_MAC_ADBKEYCODES) || defined(CONFIG_ADB_KEYBOARD)
- if (!mac_hid_keyboard_sends_linux_keycodes()) {
- if (keycode > 255 || !mac_keycodes[keycode])
- return -1;
-
- handle_scancode((mac_keycodes[keycode] & 0x7f), down);
- return 0;
- }
- #endif /* CONFIG_MAC_ADBKEYCODES || CONFIG_ADB_KEYBOARD */
- if (keycode > 255 || !x86_keycodes[keycode])
- return -1;
- if (keycode == KEY_PAUSE) {
- handle_scancode(0xe1, 1);
- handle_scancode(0x1d, down);
- handle_scancode(0x45, down);
- return 0;
- }
- if (keycode == KEY_SYSRQ && x86_sysrq_alt) {
- handle_scancode(0x54, down);
- return 0;
- }
- #ifdef CONFIG_SPARC64
- if (keycode == KEY_A && sparc_l1_a_state) {
- sparc_l1_a_state = 0;
- batten_down_hatches();
- }
- #endif
- if (x86_keycodes[keycode] & 0x100)
- handle_scancode(0xe0, 1);
- handle_scancode(x86_keycodes[keycode] & 0x7f, down);
- if (keycode == KEY_SYSRQ) {
- handle_scancode(0xe0, 1);
- handle_scancode(0x37, down);
- }
- if (keycode == KEY_LEFTALT || keycode == KEY_RIGHTALT)
- x86_sysrq_alt = down;
- #ifdef CONFIG_SPARC64
- if (keycode == KEY_STOP)
- sparc_l1_a_state = down;
- #endif
- return 0;
- }
- #endif /* CONFIG_X86 || CONFIG_IA64 || __alpha__ || __mips__ || CONFIG_PPC */
- static struct input_handler keybdev_handler;
- void keybdev_ledfunc(unsigned int led)
- {
- struct input_handle *handle;
- for (handle = keybdev_handler.handle; handle; handle = handle->hnext) {
- input_event(handle->dev, EV_LED, LED_SCROLLL, !!(led & 0x01));
- input_event(handle->dev, EV_LED, LED_NUML, !!(led & 0x02));
- input_event(handle->dev, EV_LED, LED_CAPSL, !!(led & 0x04));
- }
- }
- void keybdev_event(struct input_handle *handle, unsigned int type, unsigned int code, int down)
- {
- if (type != EV_KEY) return;
- if (emulate_raw(code, down))
- printk(KERN_WARNING "keyboard.c: can't emulate rawmode for keycode %dn", code);
- tasklet_schedule(&keyboard_tasklet);
- }
- static struct input_handle *keybdev_connect(struct input_handler *handler, struct input_dev *dev)
- {
- struct input_handle *handle;
- int i;
- if (!test_bit(EV_KEY, dev->evbit))
- return NULL;
- for (i = KEY_RESERVED; i < BTN_MISC; i++)
- if (test_bit(i, dev->keybit)) break;
- if (i == BTN_MISC)
- return NULL;
- if (!(handle = kmalloc(sizeof(struct input_handle), GFP_KERNEL)))
- return NULL;
- memset(handle, 0, sizeof(struct input_handle));
- handle->dev = dev;
- handle->handler = handler;
- input_open_device(handle);
- // printk(KERN_INFO "keybdev.c: Adding keyboard: input%dn", dev->number);
- return handle;
- }
- static void keybdev_disconnect(struct input_handle *handle)
- {
- // printk(KERN_INFO "keybdev.c: Removing keyboard: input%dn", handle->dev->number);
- input_close_device(handle);
- kfree(handle);
- }
-
- static struct input_handler keybdev_handler = {
- event: keybdev_event,
- connect: keybdev_connect,
- disconnect: keybdev_disconnect,
- };
- static int __init keybdev_init(void)
- {
- input_register_handler(&keybdev_handler);
- kbd_ledfunc = keybdev_ledfunc;
- if (jp_kbd_109) {
- x86_keycodes[0xb5] = 0x73; /* backslash, underscore */
- x86_keycodes[0xb6] = 0x70;
- x86_keycodes[0xb7] = 0x7d; /* Yen, pipe */
- x86_keycodes[0xb8] = 0x79;
- x86_keycodes[0xb9] = 0x7b;
- }
- return 0;
- }
- static void __exit keybdev_exit(void)
- {
- kbd_ledfunc = NULL;
- input_unregister_handler(&keybdev_handler);
- }
- module_init(keybdev_init);
- module_exit(keybdev_exit);
- MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
- MODULE_DESCRIPTION("Input driver to keyboard driver binding");
- MODULE_PARM(jp_kbd_109, "i");
- MODULE_LICENSE("GPL");