input: Support the German keymap

Add support for the German keymap, taken from i8042.c. This can be selected
when the input library it initialised.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2015-11-11 10:05:37 -07:00
parent 9961a0b6fb
commit b1d7a1875e
5 changed files with 101 additions and 15 deletions

View file

@ -88,7 +88,7 @@ int drv_keyboard_init(void)
debug("%s: Cannot set up input\n", __func__);
return -1;
}
input_add_tables(&button_input);
input_add_tables(&button_input, false);
button_input.read_keys = novena_gpio_button_read_keys;
error = input_stdio_register(&dev);

View file

@ -211,7 +211,7 @@ static int cros_ec_kbd_probe(struct udevice *dev)
priv->input = input;
input->dev = dev;
input_add_tables(input);
input_add_tables(input, false);
input->read_keys = cros_ec_kbc_check;
strcpy(sdev->name, "cros-ec-keyb");

View file

@ -78,6 +78,88 @@ static unsigned char kbd_ctrl_xlate[] = {
'\r', 0xff, '/', '*',
};
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, 0xff, 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.
@ -500,21 +582,24 @@ void input_allow_repeats(struct input_config *config, bool allow_repeats)
config->allow_repeats = allow_repeats;
}
int input_add_tables(struct input_config *config)
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;
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 input_add_table(config, KEY_LEFTCTRL, KEY_RIGHTCTRL,
kbd_ctrl_xlate, ARRAY_SIZE(kbd_ctrl_xlate));
return 0;
}
int input_init(struct input_config *config, int leds)

View file

@ -326,7 +326,7 @@ static int tegra_kbd_probe(struct udevice *dev)
priv->input = input;
input->dev = dev;
input->read_keys = tegra_kbc_check;
input_add_tables(input);
input_add_tables(input, false);
strcpy(sdev->name, "tegra-kbc");
ret = input_stdio_register(sdev);
if (ret) {

View file

@ -167,9 +167,10 @@ void input_allow_repeats(struct input_config *config, bool allow_repeats);
* This must be called after input_init() or keycode decoding will not work.
*
* @param config Input state
* @param german true to use German keyboard layout, false for US
* @return 0 if ok, -1 on error
*/
int input_add_tables(struct input_config *config);
int input_add_tables(struct input_config *config, bool german);
/**
* Set up the input handler with basic key maps.