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Move this header out of the common header.
Signed-off-by: Simon Glass <[email protected]>
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Move env_get() over to the new header file.
Acked-by: Joe Hershberger <[email protected]>
Signed-off-by: Simon Glass <[email protected]>
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In some cases it is necessary to read the keyboard in early phases of
U-Boot. Update the config to allow this.
Signed-off-by: Simon Glass <[email protected]>
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When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry. Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.
In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.
This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents. There's also a few places where I found we did not have a tag
and have introduced one.
Signed-off-by: Tom Rini <[email protected]>
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Add a comment indicating that the German key map assumes code page 437.
Add support for character ² (square sign) in the German key map.
Signed-off-by: Heinrich Schuchardt <[email protected]>
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We are now using an env_ prefix for environment functions. Rename these
two functions for consistency. Also add function comments in common.h.
Quite a few places use getenv() in a condition context, provoking a
warning from checkpatch. These are fixed up in this patch also.
Suggested-by: Wolfgang Denk <[email protected]>
Signed-off-by: Simon Glass <[email protected]>
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The console includes a global variable and several functions that are only
used by a small subset of U-Boot files. Before adding more functions, move
the definitions into their own header file.
Signed-off-by: Simon Glass <[email protected]>
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When 'Num Lock' is not on, we should not send these digit numbers
(0-9 and dot) to the output buffer.
Signed-off-by: Bin Meng <[email protected]>
Acked-by: Simon Glass <[email protected]>
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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 <[email protected]>
Acked-by: Simon Glass <[email protected]>
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We should request keyboard to turn on/off its LED when detecting
any changes on the LEDs.
Signed-off-by: Bin Meng <[email protected]>
Acked-by: Simon Glass <[email protected]>
Minor changes to allow this to build without CONFIG_DM_KEYBOARD:
Signed-off-by: Simon Glass <[email protected]>
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Currently keyboard's LED state is wrongly saved to config->leds in
process_modifier(). It should really be config->flags.
Signed-off-by: Bin Meng <[email protected]>
Acked-by: Simon Glass <[email protected]>
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Add a function which returns a new keyboard LED value when the LEDs need
updating.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
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When caps lock is enabled we should convert lower case to upper case. Add
this to the input key processing so that caps lock works correctly.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
Tested-by: Bin Meng <[email protected]>
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Move all the '!release' code into one block so that it is clear that it only
applies on key release.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
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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 <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
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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 <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
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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 <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
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The slash and * are missing from the keycode tables. Add these so that
these keypad keys can be used.
Signed-off-by: Simon Glass <[email protected]>
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This code is currently incorrect, perhaps due to a typo. Fix it.
Signed-off-by: Simon Glass <[email protected]>
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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 <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
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Return a useful error instead of -1 when something goes wrong.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
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Signed-off-by: Wolfgang Denk <[email protected]>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <[email protected]>
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input.c:97:5: warning: symbol 'input_queue_ascii' was not declared. Should it be
Signed-off-by: Kim Phillips <[email protected]>
Acked-by: Simon Glass <[email protected]>
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To support Non-ASCII keys (ex, Fn, PgUp/Dn, arrow keys, ...), we need to
translate key code into escape sequence.
(Updated by [email protected] 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 <[email protected]>
Signed-off-by: Simon Glass <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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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 <[email protected]>
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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 <[email protected]>
Signed-off-by: Tom Warren <[email protected]>
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