+// SPDX-License-Identifier: GPL-2.0+
/*
* Translate key codes into ASCII
*
* Copyright (c) 2011 The Chromium OS Authors.
* (C) Copyright 2004 DENX Software Engineering, Wolfgang Denk, wd@denx.de
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#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,
'\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 */
+ 'q', 'w', 'e', 'r', 't', 'z', 'u', 'i', /* scan 10-17 */
+ 'o', 'p', 0x81, '+', '\r', 0xff, 'a', 's', /* scan 18-1F */
+ 'd', 'f', 'g', 'h', 'j', 'k', 'l', 0x94, /* scan 20-27 */
+ 0x84, '^', 0xff, '#', 'y', 'x', 'c', 'v', /* scan 28-2F */
+ 'b', 'n', 'm', ',', '.', '-', 0xff, '*', /* scan 30-37 */
+ ' ', ' ', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 38-3F */
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, '7', /* scan 40-47 */
+ '8', '9', '-', '4', '5', '6', '+', '1', /* scan 48-4F */
+ '2', '3', '0', ',', 0xff, 0xff, '<', 0xff, /* scan 50-57 */
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 58-5F */
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 60-67 */
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 68-6F */
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 70-77 */
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 78-7F */
+ '\r', 0xff, '/', '*',
+};
+
+static unsigned char kbd_shift_xlate_german[] = {
+ 0xff, 0x1b, '!', '"', 0x15, '$', '%', '&', /* scan 00-07 */
+ '/', '(', ')', '=', '?', '`', 0x08, '\t', /* scan 08-0F */
+ 'Q', 'W', 'E', 'R', 'T', 'Z', 'U', 'I', /* scan 10-17 */
+ 'O', 'P', 0x9a, '*', '\r', 0xff, 'A', 'S', /* scan 18-1F */
+ 'D', 'F', 'G', 'H', 'J', 'K', 'L', 0x99, /* scan 20-27 */
+ 0x8e, 0xf8, 0xff, '\'', 'Y', 'X', 'C', 'V', /* scan 28-2F */
+ 'B', 'N', 'M', ';', ':', '_', 0xff, '*', /* scan 30-37 */
+ ' ', ' ', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 38-3F */
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, '7', /* scan 40-47 */
+ '8', '9', '-', '4', '5', '6', '+', '1', /* scan 48-4F */
+ '2', '3', '0', ',', 0xff, 0xff, '>', 0xff, /* scan 50-57 */
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 58-5F */
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 60-67 */
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 68-6F */
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 70-77 */
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 78-7F */
+ '\r', 0xff, '/', '*',
+};
+
+static unsigned char kbd_right_alt_xlate_german[] = {
+ 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 */
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 20-27 */
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 28-2F */
+ 0xff, 0xff, 0xe6, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 30-37 */
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 38-3F */
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 40-47 */
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 48-4F */
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, '|', 0xff, /* scan 50-57 */
+};
+
+enum kbd_mask {
+ KBD_ENGLISH = 1 << 0,
+ KBD_GERMAN = 1 << 1,
+};
+
+static struct kbd_entry {
+ int kbd_mask; /* Which languages this is for */
+ int left_keycode; /* Left keycode to select this map */
+ int right_keycode; /* Right keycode to select this map */
+ const uchar *xlate; /* Ascii code for each keycode */
+ int num_entries; /* Number of entries in xlate */
+} kbd_entry[] = {
+ { KBD_ENGLISH, -1, -1,
+ kbd_plain_xlate, ARRAY_SIZE(kbd_plain_xlate) },
+ { KBD_GERMAN, -1, -1,
+ kbd_plain_xlate_german, ARRAY_SIZE(kbd_plain_xlate_german) },
+ { KBD_ENGLISH, KEY_LEFTSHIFT, KEY_RIGHTSHIFT,
+ kbd_shift_xlate, ARRAY_SIZE(kbd_shift_xlate) },
+ { KBD_GERMAN, KEY_LEFTSHIFT, KEY_RIGHTSHIFT,
+ kbd_shift_xlate_german, ARRAY_SIZE(kbd_shift_xlate_german) },
+ { KBD_ENGLISH | KBD_GERMAN, KEY_LEFTCTRL, KEY_RIGHTCTRL,
+ kbd_ctrl_xlate, ARRAY_SIZE(kbd_ctrl_xlate) },
+ { KBD_GERMAN, -1, KEY_RIGHTALT,
+ kbd_right_alt_xlate_german,
+ ARRAY_SIZE(kbd_right_alt_xlate_german) },
+ {},
+};
+
/*
* Scan key code to ANSI 3.64 escape sequence table. This table is
* incomplete in that it does not include all possible extra keys.
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 flip = -1;
int i;
/* Start with the main table, and see what modifiers change it */
/* Handle the lighted keys */
if (!release) {
+ int flip = -1;
+
switch (key) {
case KEY_SCROLLLOCK:
flip = FLAG_SCROLL_LOCK;
flip = FLAG_CAPS_LOCK;
break;
}
- }
- if (flip != -1) {
- int leds = 0;
-
- config->leds ^= flip;
- if (config->flags & FLAG_NUM_LOCK)
- leds |= INPUT_LED_NUM;
- if (config->flags & FLAG_CAPS_LOCK)
- leds |= INPUT_LED_CAPS;
- if (config->flags & FLAG_SCROLL_LOCK)
- leds |= INPUT_LED_SCROLL;
- config->leds = leds;
+ if (flip != -1) {
+ int leds = 0;
+
+ config->flags ^= flip;
+ if (config->flags & FLAG_NUM_LOCK)
+ leds |= INPUT_LED_NUM;
+ if (config->flags & FLAG_CAPS_LOCK)
+ leds |= INPUT_LED_CAPS;
+ 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
+ }
}
return table;
/* Start conversion by looking for the first new keycode (by same). */
for (i = same; i < num_keycodes; i++) {
int key = keycode[i];
- int ch = (key < table->num_entries) ? table->xlate[key] : 0xff;
+ int ch;
/*
* For a normal key (with an ASCII value), add it; otherwise
* translate special key to escape sequence if possible.
*/
- if (ch != 0xff) {
- if (ch_count < max_chars)
- output_ch[ch_count] = (uchar)ch;
- ch_count++;
+ if (key < table->num_entries) {
+ ch = table->xlate[key];
+ 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 {
ch_count += input_keycode_to_ansi364(config, key,
output_ch, max_chars);
* insert another character if we later realise that we
* have missed a repeat slot.
*/
- is_repeat = config->repeat_rate_ms &&
- (int)get_timer(config->next_repeat_ms) >= 0;
+ is_repeat = config->allow_repeats || (config->repeat_rate_ms &&
+ (int)get_timer(config->next_repeat_ms) >= 0);
if (!is_repeat)
return 0;
}
config->repeat_rate_ms = repeat_rate_ms;
}
-int input_add_tables(struct input_config *config)
+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;
+ int mask;
int ret;
- ret = input_add_table(config, -1, -1,
- kbd_plain_xlate, ARRAY_SIZE(kbd_plain_xlate));
- if (ret)
- return ret;
- ret = input_add_table(config, KEY_LEFTSHIFT, KEY_RIGHTSHIFT,
- kbd_shift_xlate, ARRAY_SIZE(kbd_shift_xlate));
- if (ret)
- return ret;
-
- return input_add_table(config, KEY_LEFTCTRL, KEY_RIGHTCTRL,
- kbd_ctrl_xlate, ARRAY_SIZE(kbd_ctrl_xlate));
+ mask = german ? KBD_GERMAN : KBD_ENGLISH;
+ for (entry = kbd_entry; entry->kbd_mask; entry++) {
+ if (!(mask & entry->kbd_mask))
+ continue;
+ ret = input_add_table(config, entry->left_keycode,
+ entry->right_keycode, entry->xlate,
+ entry->num_entries);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
}
int input_init(struct input_config *config, int leds)
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))
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