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/* Copyright 2015 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Objects which can be shared between RO and RW for 8042 keyboard protocol.
*/
#include "button.h"
#include "keyboard_8042_sharedlib.h"
#include "keyboard_config.h"
#include "keyboard_protocol.h"
#include "libsharedobjs.h"
#include "util.h"
/* The standard Chrome OS keyboard matrix table in scan code set 2. */
#ifndef CONFIG_KEYBOARD_SCANCODE_MUTABLE
SHAREDLIB(const
#endif
uint16_t scancode_set2[KEYBOARD_ROWS][KEYBOARD_COLS] = {
{0x0000, 0xe01f, 0x0005, 0x0032, 0x0009, 0x0051, 0x0031, 0x0000, 0x0055,
0x0000, 0xe011, 0x0000, 0x0000},
{0x0000, 0x0076, 0x000c, 0x0034, 0x0083, 0x0000, 0x0033, 0x0000, 0x0052,
0x0001, 0x0000, 0x0066, 0x0064},
{0x0014, 0x000d, 0x0004, 0x002c, 0x000b, 0x005b, 0x0035, 0x0061, 0x0054,
0x000a, 0x006a, 0x0000, 0x0000},
{0xe01f, 0x000e, 0x0006, 0x002e, 0x0003, 0x0000, 0x0036, 0x0000, 0x004e,
0x002f, 0x0000, 0x005d, 0x0067},
{0xe014, 0x001c, 0x0023, 0x002b, 0x001b, 0x0042, 0x003b, 0x0000, 0x004c,
0x004b, 0x005d, 0x005a, 0x0000},
{0xe007, 0x001a, 0x0021, 0x002a, 0x0022, 0x0041, 0x003a, 0x0012, 0x004a,
0x0049, 0x0000, 0x0029, 0x0000},
{0x0000, 0x0016, 0x0026, 0x0025, 0x001e, 0x003e, 0x003d, 0x0000, 0x0045,
0x0046, 0x0011, 0xe072, 0xe074},
{0x0000, 0x0015, 0x0024, 0x002d, 0x001d, 0x0043, 0x003c, 0x0059, 0x004d,
0x0044, 0x0000, 0xe075, 0xe06b},
}
#ifndef CONFIG_KEYBOARD_SCANCODE_MUTABLE
)
#endif
;
/*
* The translation table from scan code set 2 to set 1.
* Ref: http://kbd-project.org/docs/scancodes/scancodes-10.html#ss10.3
* To reduce space, we only keep the translation for 0~127,
* so a real translation need to do 0x83=>0x41 explicitly (
* see scancode_translate_set2_to_1 below).
*/
SHAREDLIB(const uint8_t scancode_translate_table[128] = {
0xff, 0x43, 0x41, 0x3f, 0x3d, 0x3b, 0x3c, 0x58,
0x64, 0x44, 0x42, 0x40, 0x3e, 0x0f, 0x29, 0x59,
0x65, 0x38, 0x2a, 0x70, 0x1d, 0x10, 0x02, 0x5a,
0x66, 0x71, 0x2c, 0x1f, 0x1e, 0x11, 0x03, 0x5b,
0x67, 0x2e, 0x2d, 0x20, 0x12, 0x05, 0x04, 0x5c,
0x68, 0x39, 0x2f, 0x21, 0x14, 0x13, 0x06, 0x5d,
0x69, 0x31, 0x30, 0x23, 0x22, 0x15, 0x07, 0x5e,
0x6a, 0x72, 0x32, 0x24, 0x16, 0x08, 0x09, 0x5f,
0x6b, 0x33, 0x25, 0x17, 0x18, 0x0b, 0x0a, 0x60,
0x6c, 0x34, 0x35, 0x26, 0x27, 0x19, 0x0c, 0x61,
0x6d, 0x73, 0x28, 0x74, 0x1a, 0x0d, 0x62, 0x6e,
0x3a, 0x36, 0x1c, 0x1b, 0x75, 0x2b, 0x63, 0x76,
0x55, 0x56, 0x77, 0x78, 0x79, 0x7a, 0x0e, 0x7b,
0x7c, 0x4f, 0x7d, 0x4b, 0x47, 0x7e, 0x7f, 0x6f,
0x52, 0x53, 0x50, 0x4c, 0x4d, 0x48, 0x01, 0x45,
0x57, 0x4e, 0x51, 0x4a, 0x37, 0x49, 0x46, 0x54,
});
uint8_t scancode_translate_set2_to_1(uint8_t code)
{
if (code & 0x80) {
if (code == 0x83)
return 0x41;
return code;
}
return scancode_translate_table[code];
}
/*
* Button scancodes in code set 2.
* Must be in the same order as defined in keyboard_button_type.
*/
SHAREDLIB(const struct button_8042_t buttons_8042[] = {
{0xe037, 0}, /* Power */
{0xe021, 1}, /* Volume Down */
{0xe032, 1}, /* Volume Up */
{0x0016, 1}, /* 1 */
{0x001e, 1}, /* 2 */
{0x0026, 1}, /* 3 */
{0x0025, 1}, /* 4 */
{0x002e, 1}, /* 5 */
{0x0036, 1}, /* 6 */
{0x003d, 1}, /* 7 */
{0x003e, 1}, /* 8 */
});
BUILD_ASSERT(ARRAY_SIZE(buttons_8042) == KEYBOARD_BUTTON_COUNT);
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