input: indicate that code page 437 is used

[u-boot] / drivers / input / input.c

diff --git a/drivers/input/input.c b/drivers/input/input.c
index 5de8d9d005d8b5ee0709bf5eb8b9a297a594fcf8..a33f7e94bf49cfbefd9a7be2ce5edb03d0aea9ad 100644 (file)
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -8,16 +8,21 @@
  */
 
 #include <common.h>
+#include <console.h>
+#include <dm.h>
 #include <errno.h>
 #include <stdio_dev.h>
 #include <input.h>
+#ifdef CONFIG_DM_KEYBOARD
+#include <keyboard.h>
+#endif
 #include <linux/input.h>
 
 enum {
        /* These correspond to the lights on the keyboard */
-       FLAG_NUM_LOCK           = 1 << 0,
-       FLAG_CAPS_LOCK          = 1 << 1,
-       FLAG_SCROLL_LOCK        = 1 << 2,
+       FLAG_SCROLL_LOCK        = 1 << 0,
+       FLAG_NUM_LOCK           = 1 << 1,
+       FLAG_CAPS_LOCK          = 1 << 2,
 
        /* Special flag ORed with key code to indicate release */
        KEY_RELEASE             = 1 << 15,
@@ -78,6 +83,9 @@ static unsigned char kbd_ctrl_xlate[] = {
        '\r', 0xff, '/',  '*',
 };
 
+/*
+ * German keymap. Special letters are mapped according to code page 437.
+ */
 static const uchar kbd_plain_xlate_german[] = {
        0xff, 0x1b,  '1',  '2',  '3',  '4',  '5',  '6', /* scan 00-07 */
         '7',  '8',  '9',  '0', 0xe1, '\'', 0x08, '\t', /* scan 08-0F */
@@ -119,7 +127,7 @@ static unsigned char kbd_shift_xlate_german[] = {
 };
 
 static unsigned char kbd_right_alt_xlate_german[] = {
-       0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 00-07 */
+       0xff, 0xff, 0xff, 0xfd, 0xff, 0xff, 0xff, 0xff, /* scan 00-07 */
         '{',  '[',  ']',  '}', '\\', 0xff, 0xff, 0xff, /* scan 08-0F */
         '@', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 10-17 */
        0xff, 0xff, 0xff,  '~', 0xff, 0xff, 0xff, 0xff, /* scan 18-1F */
@@ -235,6 +243,10 @@ int input_getc(struct input_config *config)
 static struct input_key_xlate *process_modifier(struct input_config *config,
                                                int key, int release)
 {
+#ifdef CONFIG_DM_KEYBOARD
+       struct udevice *dev = config->dev;
+       struct keyboard_ops *ops = keyboard_get_ops(dev);
+#endif
        struct input_key_xlate *table;
        int i;
 
@@ -267,7 +279,7 @@ static struct input_key_xlate *process_modifier(struct input_config *config,
                if (flip != -1) {
                        int leds = 0;
 
-                       config->leds ^= flip;
+                       config->flags ^= flip;
                        if (config->flags & FLAG_NUM_LOCK)
                                leds |= INPUT_LED_NUM;
                        if (config->flags & FLAG_CAPS_LOCK)
@@ -275,6 +287,14 @@ static struct input_key_xlate *process_modifier(struct input_config *config,
                        if (config->flags & FLAG_SCROLL_LOCK)
                                leds |= INPUT_LED_SCROLL;
                        config->leds = leds;
+                       config->leds_changed = flip;
+
+#ifdef CONFIG_DM_KEYBOARD
+                       if (ops->update_leds) {
+                               if (ops->update_leds(dev, config->leds))
+                                       debug("Update keyboard's LED failed\n");
+                       }
+#endif
                }
        }
 
@@ -463,6 +483,12 @@ static int input_keycodes_to_ascii(struct input_config *config,
                        if ((config->flags & FLAG_CAPS_LOCK) &&
                            ch >= 'a' && ch <= 'z')
                                ch -= 'a' - 'A';
+                       /* ban digit numbers if 'Num Lock' is not on */
+                       if (!(config->flags & FLAG_NUM_LOCK)) {
+                               if (key >= KEY_KP7 && key <= KEY_KPDOT &&
+                                   key != KEY_KPMINUS && key != KEY_KPPLUS)
+                                       ch = 0xff;
+                       }
                        if (ch_count < max_chars && ch != 0xff)
                                output_ch[ch_count++] = (uchar)ch;
                } else {
@@ -586,6 +612,14 @@ void input_allow_repeats(struct input_config *config, bool allow_repeats)
        config->allow_repeats = allow_repeats;
 }
 
+int input_leds_changed(struct input_config *config)
+{
+       if (config->leds_changed)
+               return config->leds;
+
+       return -1;
+}
+
 int input_add_tables(struct input_config *config, bool german)
 {
        struct kbd_entry *entry;
@@ -621,7 +655,7 @@ int input_stdio_register(struct stdio_dev *dev)
        error = stdio_register(dev);
 
        /* check if this is the standard input device */
-       if (!error && strcmp(getenv("stdin"), dev->name) == 0) {
+       if (!error && strcmp(env_get("stdin"), dev->name) == 0) {
                /* reassign the console */
                if (OVERWRITE_CONSOLE ||
                                console_assign(stdin, dev->name))