[PATCH] m68k: restore amikbd compatibility with 2.4

Dump the extra mapping in the amikbd interrupt handler, so old Amiga keymaps
work again.  Amigas need a special keymap anyway, standard keymaps are not
usable and recreating all keymaps is simply not worth the trouble.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Cc: Dmitry Torokhov <dtor_core@ameritech.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 22 insertions, 12 deletions

diff --git a/drivers/input/keyboard/amikbd.c b/drivers/input/keyboard/amikbd.c
index 4c8fb1f8631f..f1f9db9d282c 100644
--- a/drivers/input/keyboard/amikbd.c
+++ b/drivers/input/keyboard/amikbd.c
@@ -36,6 +36,7 @@
 #include <linux/input.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
+#include <linux/keyboard.h>
 
 #include <asm/amigaints.h>
 #include <asm/amigahw.h>
@@ -45,7 +46,7 @@ MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
 MODULE_DESCRIPTION("Amiga keyboard driver");
 MODULE_LICENSE("GPL");
 
-static unsigned char amikbd_keycode[0x78] = {
+static unsigned char amikbd_keycode[0x78] __initdata = {
         [0]      = KEY_GRAVE,
         [1]      = KEY_1,
         [2]      = KEY_2,
@@ -170,12 +171,9 @@ static irqreturn_t amikbd_interrupt(int irq, void *dummy, struct pt_regs *fp)
         scancode >>= 1;
 
         if (scancode < 0x78) {          /* scancodes < 0x78 are keys */
-
-                scancode = amikbd_keycode[scancode];
-
                 input_regs(amikbd_dev, fp);
 
-                if (scancode == KEY_CAPSLOCK) { /* CapsLock is a toggle switch key on Amiga */
+                if (scancode == 98) {   /* CapsLock is a toggle switch key on Amiga */
                         input_report_key(amikbd_dev, scancode, 1);
                         input_report_key(amikbd_dev, scancode, 0);
                 } else {
@@ -191,7 +189,7 @@ static irqreturn_t amikbd_interrupt(int irq, void *dummy, struct pt_regs *fp)
 
 static int __init amikbd_init(void)
 {
-        int i;
+        int i, j;
 
         if (!AMIGAHW_PRESENT(AMI_KEYBOARD))
                 return -EIO;
@@ -214,14 +212,26 @@ static int __init amikbd_init(void)
         amikbd_dev->id.version = 0x0100;
 
         amikbd_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
-        amikbd_dev->keycode = amikbd_keycode;
-        amikbd_dev->keycodesize = sizeof(unsigned char);
-        amikbd_dev->keycodemax = ARRAY_SIZE(amikbd_keycode);
 
         for (i = 0; i < 0x78; i++)
-                if (amikbd_keycode[i])
-                        set_bit(amikbd_keycode[i], amikbd_dev->keybit);
-
+                set_bit(i, amikbd_dev->keybit);
+
+        for (i = 0; i < MAX_NR_KEYMAPS; i++) {
+                static u_short temp_map[NR_KEYS] __initdata;
+                if (!key_maps[i])
+                        continue;
+                memset(temp_map, 0, sizeof(temp_map));
+                for (j = 0; j < 0x78; j++) {
+                        if (!amikbd_keycode[j])
+                                continue;
+                        temp_map[j] = key_maps[i][amikbd_keycode[j]];
+                }
+                for (j = 0; j < NR_KEYS; j++) {
+                        if (!temp_map[j])
+                                temp_map[j] = 0xf200;
+                }
+                memcpy(key_maps[i], temp_map, sizeof(temp_map));
+        }
         ciaa.cra &= ~0x41;       /* serial data in, turn off TA */
         request_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt, 0, "amikbd", amikbd_interrupt);