path: root/include/input.h
Commit message (Collapse)AuthorAgeFilesLines
* input: Change LED state bits to conform i8042 compatible keyboardBin Meng2015-11-191-2/+2
| | | | | | | | | | | | When sending LED update command to an i8042 compatible keyboard, bit1 is 'Num Lock' and bit2 is 'Caps Lock' in the data byte. But input library defines bit1 as 'Caps Lock' and bit2 as 'Num Lock'. This causes a wrong LED to be set on an i8042 compatible keyboard. Change the LED state bits to be i8042 compatible, and change the keyboard flags as well. Signed-off-by: Bin Meng <> Acked-by: Simon Glass <>
* input: Allow updating of keyboard LEDsSimon Glass2015-11-191-1/+13
| | | | | | | | Add a function which returns a new keyboard LED value when the LEDs need updating. Signed-off-by: Simon Glass <> Reviewed-by: Bin Meng <>
* input: Support the German keymapSimon Glass2015-11-191-1/+2
| | | | | | | | 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 <> Reviewed-by: Bin Meng <>
* input: Allow repeat filtering to be disabledSimon Glass2015-11-191-0/+19
| | | | | | | | | | | | | Generally the input library handles processing of a list of scanned keys. Repeated keys need to be generated based on a timer in this case, since all that is provided is a list of keys current depressed. Keyboards which do their own scanning will resend codes when they want to inject a repeating key. Provide a function which tells the input library to accept repeating keys and not to try to second-guess the caller. Signed-off-by: Simon Glass <> Reviewed-by: Bin Meng <>
* input: Add a function to add a keycode to the existing setSimon Glass2015-11-191-0/+20
| | | | | | | | | | | | | | | | | | | | | | Most keyboards can be scanned to produce a list of the keycodes which are depressed. With the i8042 keyboard this scanning is done internally and only the processed results are returned. In this case, when a key is pressed, a 'make' code is sent. When the key is released a 'break' code is sent. This means that the driver needs to keep track of which keys are pressed. It also means that any protocol error can lead to stuck keys. In order to support this type of keyboard, add a function when can be used to provide a single keycode and either add it to the list of what is pressed or remove it from the list. Then the normal input_send_keycodes() function can be used to actually do the decoding work. Add debugging to display the ASCII characters written to the input queue also. Signed-off-by: Simon Glass <> Reviewed-by: Bin Meng <>
* input: Add the keycode translation tables separatelySimon Glass2015-11-191-0/+10
| | | | | | | | | Require the caller to add the keycode translation tables separately so that it can select which ones to use. In a later patch we will add the option to add German tables. Signed-off-by: Simon Glass <> Reviewed-by: Bin Meng <>
* input: Add a device pointer to the input configSimon Glass2015-11-191-0/+1
| | | | | | | | | | | | The read_keys() method in input is passed a struct input_config. Add a device pointer there so that we can find out the device that is referred to with driver model. Once all drivers are converted we can update the input structure to use driver model instead. Signed-off-by: Simon Glass <> Reviewed-by: Bin Meng <>
* Add GPL-2.0+ SPDX-License-Identifier to source filesWolfgang Denk2013-07-241-16/+1
| | | | | | Signed-off-by: Wolfgang Denk <> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <>
* input: Add ANSI 3.64 escape sequence generation.Hung-Te Lin2012-10-191-0/+2
| | | | | | | | | | | | | | To support Non-ASCII keys (ex, Fn, PgUp/Dn, arrow keys, ...), we need to translate key code into escape sequence. (Updated by to move away from a function to store keycodes, so we can easily record how many were sent. We now need to return this from input_send_keycodes() so we know whether keys were generated.) Signed-off-by: Hung-Te Lin <> Signed-off-by: Simon Glass <> Signed-off-by: Tom Rini <>
* input: Separate out keyboard repeat/delay from initSimon Glass2012-10-151-4/+10
| | | | | | | | | | | It is inconvenient to have to specify the keyboard repeat and delay at init time if it is not yet available, so move this into a separate function. Some drivers will want to do this when their keyboard init routine is actually called. Signed-off-by: Simon Glass <>
* input: Add generic keyboard input handlerSimon Glass2012-05-151-0/+147
Add a module which understands converting key codes (or scan codes) to ASCII characters. It includes FIFO support and can call back to drivers to read new characters when its FIFO is empty. Keycode maps are provided for un-modified, shift and ctrl keys. The plan is to use this module where such mapping is required. Signed-off-by: Simon Glass <> Signed-off-by: Tom Warren <>
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