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path: root/drivers/char/keyboard.c
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Diffstat (limited to 'drivers/char/keyboard.c')
-rw-r--r--drivers/char/keyboard.c40
1 files changed, 3 insertions, 37 deletions
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index ada25bb8941e..50f6c01f44ec 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -38,7 +38,6 @@
38#include <linux/kbd_kern.h> 38#include <linux/kbd_kern.h>
39#include <linux/kbd_diacr.h> 39#include <linux/kbd_diacr.h>
40#include <linux/vt_kern.h> 40#include <linux/vt_kern.h>
41#include <linux/sysrq.h>
42#include <linux/input.h> 41#include <linux/input.h>
43#include <linux/reboot.h> 42#include <linux/reboot.h>
44#include <linux/notifier.h> 43#include <linux/notifier.h>
@@ -82,8 +81,7 @@ void compute_shiftstate(void);
82typedef void (k_handler_fn)(struct vc_data *vc, unsigned char value, 81typedef void (k_handler_fn)(struct vc_data *vc, unsigned char value,
83 char up_flag); 82 char up_flag);
84static k_handler_fn K_HANDLERS; 83static k_handler_fn K_HANDLERS;
85k_handler_fn *k_handler[16] = { K_HANDLERS }; 84static k_handler_fn *k_handler[16] = { K_HANDLERS };
86EXPORT_SYMBOL_GPL(k_handler);
87 85
88#define FN_HANDLERS\ 86#define FN_HANDLERS\
89 fn_null, fn_enter, fn_show_ptregs, fn_show_mem,\ 87 fn_null, fn_enter, fn_show_ptregs, fn_show_mem,\
@@ -147,22 +145,6 @@ static struct ledptr {
147 unsigned char valid:1; 145 unsigned char valid:1;
148} ledptrs[3]; 146} ledptrs[3];
149 147
150/* Simple translation table for the SysRq keys */
151
152#ifdef CONFIG_MAGIC_SYSRQ
153unsigned char kbd_sysrq_xlate[KEY_MAX + 1] =
154 "\000\0331234567890-=\177\t" /* 0x00 - 0x0f */
155 "qwertyuiop[]\r\000as" /* 0x10 - 0x1f */
156 "dfghjkl;'`\000\\zxcv" /* 0x20 - 0x2f */
157 "bnm,./\000*\000 \000\201\202\203\204\205" /* 0x30 - 0x3f */
158 "\206\207\210\211\212\000\000789-456+1" /* 0x40 - 0x4f */
159 "230\177\000\000\213\214\000\000\000\000\000\000\000\000\000\000" /* 0x50 - 0x5f */
160 "\r\000/"; /* 0x60 - 0x6f */
161static int sysrq_down;
162static int sysrq_alt_use;
163#endif
164static int sysrq_alt;
165
166/* 148/*
167 * Notifier list for console keyboard events 149 * Notifier list for console keyboard events
168 */ 150 */
@@ -1108,7 +1090,8 @@ static int emulate_raw(struct vc_data *vc, unsigned int keycode,
1108 * pressing PrtSc/SysRq alone, but simply 0x54 1090 * pressing PrtSc/SysRq alone, but simply 0x54
1109 * when pressing Alt+PrtSc/SysRq. 1091 * when pressing Alt+PrtSc/SysRq.
1110 */ 1092 */
1111 if (sysrq_alt) { 1093 if (test_bit(KEY_LEFTALT, key_down) ||
1094 test_bit(KEY_RIGHTALT, key_down)) {
1112 put_queue(vc, 0x54 | up_flag); 1095 put_queue(vc, 0x54 | up_flag);
1113 } else { 1096 } else {
1114 put_queue(vc, 0xe0); 1097 put_queue(vc, 0xe0);
@@ -1176,8 +1159,6 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
1176 1159
1177 kbd = kbd_table + vc->vc_num; 1160 kbd = kbd_table + vc->vc_num;
1178 1161
1179 if (keycode == KEY_LEFTALT || keycode == KEY_RIGHTALT)
1180 sysrq_alt = down ? keycode : 0;
1181#ifdef CONFIG_SPARC 1162#ifdef CONFIG_SPARC
1182 if (keycode == KEY_STOP) 1163 if (keycode == KEY_STOP)
1183 sparc_l1_a_state = down; 1164 sparc_l1_a_state = down;
@@ -1190,21 +1171,6 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
1190 if (keycode < BTN_MISC && printk_ratelimit()) 1171 if (keycode < BTN_MISC && printk_ratelimit())
1191 printk(KERN_WARNING "keyboard.c: can't emulate rawmode for keycode %d\n", keycode); 1172 printk(KERN_WARNING "keyboard.c: can't emulate rawmode for keycode %d\n", keycode);
1192 1173
1193#ifdef CONFIG_MAGIC_SYSRQ /* Handle the SysRq Hack */
1194 if (keycode == KEY_SYSRQ && (sysrq_down || (down == 1 && sysrq_alt))) {
1195 if (!sysrq_down) {
1196 sysrq_down = down;
1197 sysrq_alt_use = sysrq_alt;
1198 }
1199 return;
1200 }
1201 if (sysrq_down && !down && keycode == sysrq_alt_use)
1202 sysrq_down = 0;
1203 if (sysrq_down && down && !rep) {
1204 handle_sysrq(kbd_sysrq_xlate[keycode], tty);
1205 return;
1206 }
1207#endif
1208#ifdef CONFIG_SPARC 1174#ifdef CONFIG_SPARC
1209 if (keycode == KEY_A && sparc_l1_a_state) { 1175 if (keycode == KEY_A && sparc_l1_a_state) {
1210 sparc_l1_a_state = 0; 1176 sparc_l1_a_state = 0;