]> git.karo-electronics.de Git - mv-sheeva.git/blobdiff - drivers/char/keyboard.c
Input: introduce input_inject_event() function
[mv-sheeva.git] / drivers / char / keyboard.c
index 1b63acfc6c785ac441e632f83264c80713b0340a..1e946f5856736ec97fc0400cc8e7c6efd2b0abb4 100644 (file)
@@ -24,7 +24,6 @@
  * 21-08-02: Converted to input API, major cleanup. (Vojtech Pavlik)
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/tty.h>
@@ -151,6 +150,7 @@ unsigned char kbd_sysrq_xlate[KEY_MAX + 1] =
         "230\177\000\000\213\214\000\000\000\000\000\000\000\000\000\000" /* 0x50 - 0x5f */
         "\r\000/";                                      /* 0x60 - 0x6f */
 static int sysrq_down;
+static int sysrq_alt_use;
 #endif
 static int sysrq_alt;
 
@@ -223,13 +223,13 @@ static void kd_nosound(unsigned long ignored)
 {
        struct list_head *node;
 
-       list_for_each(node,&kbd_handler.h_list) {
+       list_for_each(node, &kbd_handler.h_list) {
                struct input_handle *handle = to_handle_h(node);
                if (test_bit(EV_SND, handle->dev->evbit)) {
                        if (test_bit(SND_TONE, handle->dev->sndbit))
-                               input_event(handle->dev, EV_SND, SND_TONE, 0);
+                               input_inject_event(handle, EV_SND, SND_TONE, 0);
                        if (test_bit(SND_BELL, handle->dev->sndbit))
-                               input_event(handle->dev, EV_SND, SND_BELL, 0);
+                               input_inject_event(handle, EV_SND, SND_BELL, 0);
                }
        }
 }
@@ -247,11 +247,11 @@ void kd_mksound(unsigned int hz, unsigned int ticks)
                        struct input_handle *handle = to_handle_h(node);
                        if (test_bit(EV_SND, handle->dev->evbit)) {
                                if (test_bit(SND_TONE, handle->dev->sndbit)) {
-                                       input_event(handle->dev, EV_SND, SND_TONE, hz);
+                                       input_inject_event(handle, EV_SND, SND_TONE, hz);
                                        break;
                                }
                                if (test_bit(SND_BELL, handle->dev->sndbit)) {
-                                       input_event(handle->dev, EV_SND, SND_BELL, 1);
+                                       input_inject_event(handle, EV_SND, SND_BELL, 1);
                                        break;
                                }
                        }
@@ -272,15 +272,15 @@ int kbd_rate(struct kbd_repeat *rep)
        unsigned int d = 0;
        unsigned int p = 0;
 
-       list_for_each(node,&kbd_handler.h_list) {
+       list_for_each(node, &kbd_handler.h_list) {
                struct input_handle *handle = to_handle_h(node);
                struct input_dev *dev = handle->dev;
 
                if (test_bit(EV_REP, dev->evbit)) {
                        if (rep->delay > 0)
-                               input_event(dev, EV_REP, REP_DELAY, rep->delay);
+                               input_inject_event(handle, EV_REP, REP_DELAY, rep->delay);
                        if (rep->period > 0)
-                               input_event(dev, EV_REP, REP_PERIOD, rep->period);
+                               input_inject_event(handle, EV_REP, REP_PERIOD, rep->period);
                        d = dev->rep[REP_DELAY];
                        p = dev->rep[REP_PERIOD];
                }
@@ -988,7 +988,7 @@ static inline unsigned char getleds(void)
  * interrupt routines for this thing allows us to easily mask
  * this when we don't want any of the above to happen.
  * This allows for easy and efficient race-condition prevention
- * for kbd_refresh_leds => input_event(dev, EV_LED, ...) => ...
+ * for kbd_start => input_inject_event(dev, EV_LED, ...) => ...
  */
 
 static void kbd_bh(unsigned long dummy)
@@ -998,11 +998,11 @@ static void kbd_bh(unsigned long dummy)
 
        if (leds != ledstate) {
                list_for_each(node, &kbd_handler.h_list) {
-                       struct input_handle * handle = to_handle_h(node);
-                       input_event(handle->dev, EV_LED, LED_SCROLLL, !!(leds & 0x01));
-                       input_event(handle->dev, EV_LED, LED_NUML,    !!(leds & 0x02));
-                       input_event(handle->dev, EV_LED, LED_CAPSL,   !!(leds & 0x04));
-                       input_sync(handle->dev);
+                       struct input_handle *handle = to_handle_h(node);
+                       input_inject_event(handle, EV_LED, LED_SCROLLL, !!(leds & 0x01));
+                       input_inject_event(handle, EV_LED, LED_NUML,    !!(leds & 0x02));
+                       input_inject_event(handle, EV_LED, LED_CAPSL,   !!(leds & 0x04));
+                       input_inject_event(handle, EV_SYN, SYN_REPORT, 0);
                }
        }
 
@@ -1011,23 +1011,6 @@ static void kbd_bh(unsigned long dummy)
 
 DECLARE_TASKLET_DISABLED(keyboard_tasklet, kbd_bh, 0);
 
-/*
- * This allows a newly plugged keyboard to pick the LED state.
- */
-static void kbd_refresh_leds(struct input_handle *handle)
-{
-       unsigned char leds = ledstate;
-
-       tasklet_disable(&keyboard_tasklet);
-       if (leds != 0xff) {
-               input_event(handle->dev, EV_LED, LED_SCROLLL, !!(leds & 0x01));
-               input_event(handle->dev, EV_LED, LED_NUML,    !!(leds & 0x02));
-               input_event(handle->dev, EV_LED, LED_CAPSL,   !!(leds & 0x04));
-               input_sync(handle->dev);
-       }
-       tasklet_enable(&keyboard_tasklet);
-}
-
 #if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(CONFIG_ALPHA) ||\
     defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_SPARC) ||\
     defined(CONFIG_PARISC) || defined(CONFIG_SUPERH) ||\
@@ -1074,11 +1057,13 @@ static int emulate_raw(struct vc_data *vc, unsigned int keycode,
                        put_queue(vc, 0x1d | up_flag);
                        put_queue(vc, 0x45 | up_flag);
                        return 0;
-               case KEY_HANGUEL:
-                       if (!up_flag) put_queue(vc, 0xf1);
+               case KEY_HANGEUL:
+                       if (!up_flag)
+                               put_queue(vc, 0xf2);
                        return 0;
                case KEY_HANJA:
-                       if (!up_flag) put_queue(vc, 0xf2);
+                       if (!up_flag)
+                               put_queue(vc, 0xf1);
                        return 0;
        }
 
@@ -1143,7 +1128,7 @@ static void kbd_keycode(unsigned int keycode, int down,
        kbd = kbd_table + fg_console;
 
        if (keycode == KEY_LEFTALT || keycode == KEY_RIGHTALT)
-               sysrq_alt = down;
+               sysrq_alt = down ? keycode : 0;
 #ifdef CONFIG_SPARC
        if (keycode == KEY_STOP)
                sparc_l1_a_state = down;
@@ -1163,9 +1148,14 @@ static void kbd_keycode(unsigned int keycode, int down,
 
 #ifdef CONFIG_MAGIC_SYSRQ             /* Handle the SysRq Hack */
        if (keycode == KEY_SYSRQ && (sysrq_down || (down == 1 && sysrq_alt))) {
-               sysrq_down = down;
+               if (!sysrq_down) {
+                       sysrq_down = down;
+                       sysrq_alt_use = sysrq_alt;
+               }
                return;
        }
+       if (sysrq_down && !down && keycode == sysrq_alt_use)
+               sysrq_down = 0;
        if (sysrq_down && down && !rep) {
                handle_sysrq(kbd_sysrq_xlate[keycode], regs, tty);
                return;
@@ -1300,7 +1290,6 @@ static struct input_handle *kbd_connect(struct input_handler *handler,
        handle->name = "kbd";
 
        input_open_device(handle);
-       kbd_refresh_leds(handle);
 
        return handle;
 }
@@ -1311,6 +1300,24 @@ static void kbd_disconnect(struct input_handle *handle)
        kfree(handle);
 }
 
+/*
+ * Start keyboard handler on the new keyboard by refreshing LED state to
+ * match the rest of the system.
+ */
+static void kbd_start(struct input_handle *handle)
+{
+       unsigned char leds = ledstate;
+
+       tasklet_disable(&keyboard_tasklet);
+       if (leds != 0xff) {
+               input_inject_event(handle, EV_LED, LED_SCROLLL, !!(leds & 0x01));
+               input_inject_event(handle, EV_LED, LED_NUML,    !!(leds & 0x02));
+               input_inject_event(handle, EV_LED, LED_CAPSL,   !!(leds & 0x04));
+               input_inject_event(handle, EV_SYN, SYN_REPORT, 0);
+       }
+       tasklet_enable(&keyboard_tasklet);
+}
+
 static struct input_device_id kbd_ids[] = {
        {
                 .flags = INPUT_DEVICE_ID_MATCH_EVBIT,
@@ -1331,6 +1338,7 @@ static struct input_handler kbd_handler = {
        .event          = kbd_event,
        .connect        = kbd_connect,
        .disconnect     = kbd_disconnect,
+       .start          = kbd_start,
        .name           = "kbd",
        .id_table       = kbd_ids,
 };