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// SPDX-License-Identifier: GPL-2.0+
/*
* efi_selftest_textinput
*
* Copyright (c) 2018 Heinrich Schuchardt <xypron.glpk@gmx.de>
*
* Provides a unit test for the EFI_SIMPLE_TEXT_INPUT_PROTOCOL.
* The unicode character and the scan code are printed for text
* input. To run the test:
*
* setenv efi_selftest text input
* bootefi selftest
*/
#include <efi_selftest.h>
struct translate {
u16 code;
u16 *text;
};
static struct efi_boot_services *boottime;
static struct translate control_characters[] = {
{0, L"Null"},
{8, L"BS"},
{9, L"TAB"},
{10, L"LF"},
{13, L"CR"},
{0, NULL},
};
static u16 ch[] = L"' '";
static u16 unknown[] = L"unknown";
static struct translate scan_codes[] = {
{0x00, L"Null"},
{0x01, L"Up"},
{0x02, L"Down"},
{0x03, L"Right"},
{0x04, L"Left"},
{0x05, L"Home"},
{0x06, L"End"},
{0x07, L"Insert"},
{0x08, L"Delete"},
{0x09, L"Page Up"},
{0x0a, L"Page Down"},
{0x0b, L"FN 1"},
{0x0c, L"FN 2"},
{0x0d, L"FN 3"},
{0x0e, L"FN 4"},
{0x0f, L"FN 5"},
{0x10, L"FN 6"},
{0x11, L"FN 7"},
{0x12, L"FN 8"},
{0x13, L"FN 9"},
{0x14, L"FN 10"},
{0x15, L"FN 11"},
{0x16, L"FN 12"},
{0x17, L"Escape"},
{0x68, L"FN 13"},
{0x69, L"FN 14"},
{0x6a, L"FN 15"},
{0x6b, L"FN 16"},
{0x6c, L"FN 17"},
{0x6d, L"FN 18"},
{0x6e, L"FN 19"},
{0x6f, L"FN 20"},
{0x70, L"FN 21"},
{0x71, L"FN 22"},
{0x72, L"FN 23"},
{0x73, L"FN 24"},
{0x7f, L"Mute"},
{0x80, L"Volume Up"},
{0x81, L"Volume Down"},
{0x100, L"Brightness Up"},
{0x101, L"Brightness Down"},
{0x102, L"Suspend"},
{0x103, L"Hibernate"},
{0x104, L"Toggle Display"},
{0x105, L"Recovery"},
{0x106, L"Reject"},
{0x0, NULL},
};
/*
* Translate a unicode character to a string.
*
* @code unicode character
* @return string
*/
static u16 *translate_char(u16 code)
{
struct translate *tr;
if (code >= ' ') {
ch[1] = code;
return ch;
}
for (tr = control_characters; tr->text; ++tr) {
if (tr->code == code)
return tr->text;
}
return unknown;
}
/*
* Translate a scan code to a human readable string.
*
* @code unicode character
* @return string
*/
static u16 *translate_code(u16 code)
{
struct translate *tr;
for (tr = scan_codes; tr->text; ++tr) {
if (tr->code == code)
return tr->text;
}
return unknown;
}
/*
* Setup unit test.
*
* @handle: handle of the loaded image
* @systable: system table
* @return: EFI_ST_SUCCESS for success
*/
static int setup(const efi_handle_t handle,
const struct efi_system_table *systable)
{
boottime = systable->boottime;
return EFI_ST_SUCCESS;
}
/*
* Execute unit test.
*
* @return: EFI_ST_SUCCESS for success
*/
static int execute(void)
{
struct efi_input_key input_key = {0};
efi_status_t ret;
efi_st_printf("Waiting for your input\n");
efi_st_printf("To terminate type 'x'\n");
for (;;) {
/* Wait for next key */
do {
ret = con_in->read_key_stroke(con_in, &input_key);
} while (ret == EFI_NOT_READY);
/* Allow 5 minutes until time out */
boottime->set_watchdog_timer(300, 0, 0, NULL);
efi_st_printf("Unicode char %u (%ps), scan code %u (%ps)\n",
(unsigned int)input_key.unicode_char,
translate_char(input_key.unicode_char),
(unsigned int)input_key.scan_code,
translate_code(input_key.scan_code));
switch (input_key.unicode_char) {
case 'x':
case 'X':
return EFI_ST_SUCCESS;
}
}
}
EFI_UNIT_TEST(textinput) = {
.name = "text input",
.phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
.setup = setup,
.execute = execute,
.on_request = true,
};
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