X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Fkeyboard.c;h=45806d27579ab8bbc13f94d2f6865fa0b9b5b9e9;hb=b39b04403bba4f807ee6e57ae2f4407187588fcd;hp=212276affa1f5c887233cdd3c14e987a6941fd22;hpb=fe2520094d88018423dfc42b3cd0015f74e8adea;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index 212276affa1..45806d27579 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -38,10 +38,11 @@
 #include <linux/kbd_kern.h>
 #include <linux/kbd_diacr.h>
 #include <linux/vt_kern.h>
-#include <linux/consolemap.h>
 #include <linux/sysrq.h>
 #include <linux/input.h>
 #include <linux/reboot.h>
+#include <linux/notifier.h>
+#include <linux/jiffies.h>
 
 extern void ctrl_alt_del(void);
 
@@ -81,7 +82,8 @@ void compute_shiftstate(void);
 typedef void (k_handler_fn)(struct vc_data *vc, unsigned char value,
 			    char up_flag);
 static k_handler_fn K_HANDLERS;
-static k_handler_fn *k_handler[16] = { K_HANDLERS };
+k_handler_fn *k_handler[16] = { K_HANDLERS };
+EXPORT_SYMBOL_GPL(k_handler);
 
 #define FN_HANDLERS\
 	fn_null,	fn_enter,	fn_show_ptregs,	fn_show_mem,\
@@ -127,7 +129,7 @@ int shift_state = 0;
  */
 
 static struct input_handler kbd_handler;
-static unsigned long key_down[NBITS(KEY_MAX)];		/* keyboard key bitmap */
+static unsigned long key_down[BITS_TO_LONGS(KEY_CNT)];	/* keyboard key bitmap */
 static unsigned char shift_down[NR_SHIFT];		/* shift state counters.. */
 static int dead_key_next;
 static int npadch = -1;					/* -1 or number assembled on pad */
@@ -159,6 +161,23 @@ static int sysrq_alt_use;
 #endif
 static int sysrq_alt;
 
+/*
+ * Notifier list for console keyboard events
+ */
+static ATOMIC_NOTIFIER_HEAD(keyboard_notifier_list);
+
+int register_keyboard_notifier(struct notifier_block *nb)
+{
+	return atomic_notifier_chain_register(&keyboard_notifier_list, nb);
+}
+EXPORT_SYMBOL_GPL(register_keyboard_notifier);
+
+int unregister_keyboard_notifier(struct notifier_block *nb)
+{
+	return atomic_notifier_chain_unregister(&keyboard_notifier_list, nb);
+}
+EXPORT_SYMBOL_GPL(unregister_keyboard_notifier);
+
 /*
  * Translation of scancodes to keycodes. We set them on only the first
  * keyboard in the list that accepts the scancode and keycode.
@@ -175,7 +194,7 @@ int getkeycode(unsigned int scancode)
 	int error = -ENODEV;
 
 	list_for_each_entry(handle, &kbd_handler.h_list, h_node) {
-		error = handle->dev->getkeycode(handle->dev, scancode, &keycode);
+		error = input_get_keycode(handle->dev, scancode, &keycode);
 		if (!error)
 			return keycode;
 	}
@@ -189,7 +208,7 @@ int setkeycode(unsigned int scancode, unsigned int keycode)
 	int error = -ENODEV;
 
 	list_for_each_entry(handle, &kbd_handler.h_list, h_node) {
-		error = handle->dev->setkeycode(handle->dev, scancode, keycode);
+		error = input_set_keycode(handle->dev, scancode, keycode);
 		if (!error)
 			break;
 	}
@@ -910,7 +929,8 @@ static void k_brl(struct vc_data *vc, unsigned char value, char up_flag)
 	if (up_flag) {
 		if (brl_timeout) {
 			if (!committing ||
-			    jiffies - releasestart > (brl_timeout * HZ) / 1000) {
+			    time_after(jiffies,
+				       releasestart + msecs_to_jiffies(brl_timeout))) {
 				committing = pressed;
 				releasestart = jiffies;
 			}
@@ -1130,6 +1150,7 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
 	unsigned char type, raw_mode;
 	struct tty_struct *tty;
 	int shift_final;
+	struct keyboard_notifier_param param = { .vc = vc, .value = keycode, .down = down };
 
 	tty = vc->vc_tty;
 
@@ -1217,10 +1238,12 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
 		return;
 	}
 
-	shift_final = (shift_state | kbd->slockstate) ^ kbd->lockstate;
+	param.shift = shift_final = (shift_state | kbd->slockstate) ^ kbd->lockstate;
+	param.ledstate = kbd->ledflagstate;
 	key_map = key_maps[shift_final];
 
-	if (!key_map) {
+	if (atomic_notifier_call_chain(&keyboard_notifier_list, KBD_KEYCODE, &param) == NOTIFY_STOP || !key_map) {
+		atomic_notifier_call_chain(&keyboard_notifier_list, KBD_UNBOUND_KEYCODE, &param);
 		compute_shiftstate();
 		kbd->slockstate = 0;
 		return;
@@ -1237,6 +1260,9 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
 	type = KTYP(keysym);
 
 	if (type < 0xf0) {
+		param.value = keysym;
+		if (atomic_notifier_call_chain(&keyboard_notifier_list, KBD_UNICODE, &param) == NOTIFY_STOP)
+			return;
 		if (down && !raw_mode)
 			to_utf8(vc, keysym);
 		return;
@@ -1244,9 +1270,6 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
 
 	type -= 0xf0;
 
-	if (raw_mode && type != KT_SPEC && type != KT_SHIFT)
-		return;
-
 	if (type == KT_LETTER) {
 		type = KT_LATIN;
 		if (vc_kbd_led(kbd, VC_CAPSLOCK)) {
@@ -1255,9 +1278,19 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
 				keysym = key_map[keycode];
 		}
 	}
+	param.value = keysym;
+
+	if (atomic_notifier_call_chain(&keyboard_notifier_list, KBD_KEYSYM, &param) == NOTIFY_STOP)
+		return;
+
+	if (raw_mode && type != KT_SPEC && type != KT_SHIFT)
+		return;
 
 	(*k_handler[type])(vc, keysym & 0xff, !down);
 
+	param.ledstate = kbd->ledflagstate;
+	atomic_notifier_call_chain(&keyboard_notifier_list, KBD_POST_KEYSYM, &param);
+
 	if (type != KT_SLOCK)
 		kbd->slockstate = 0;
 }
@@ -1347,12 +1380,12 @@ static void kbd_start(struct input_handle *handle)
 static const struct input_device_id kbd_ids[] = {
 	{
                 .flags = INPUT_DEVICE_ID_MATCH_EVBIT,
-                .evbit = { BIT(EV_KEY) },
+                .evbit = { BIT_MASK(EV_KEY) },
         },
 
 	{
                 .flags = INPUT_DEVICE_ID_MATCH_EVBIT,
-                .evbit = { BIT(EV_SND) },
+                .evbit = { BIT_MASK(EV_SND) },
         },
 
 	{ },    /* Terminating entry */