libsharedobjs: Add 8042 scancodes to shared lib.

This commit adds the 8042 scancodes to the shared objects library saving
504 bytes from the RW image. To enable the space savings, define
CONFIG_SHAREDLIB in the target's board.h file.

BUG=none
BRANCH=none
TEST=make -j buildall tests
TEST=Built samus EC image and verified keyboard still worked in RO and
RW.
TEST=Built samus EC image with CONFIG_SHAREDLIB enabled and verified
that the keyboard still worked in RO and RW.
TEST=Enabled CONFIG_SHAREDLIB for glados and cyan and watched build
fail.
CQ-DEPEND=CL:275344

Change-Id: I1241506c6b34d63e270677d4e8d0531a8a4236c9
Signed-off-by: Aseda Aboagye <aaboagye@google.com>
Reviewed-on: https://chromium-review.googlesource.com/276212
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Tested-by: Aseda Aboagye <aaboagye@chromium.org>
Commit-Queue: Aseda Aboagye <aaboagye@chromium.org>

1 files changed, 71 insertions, 0 deletions

diff --git a/common/keyboard_8042_sharedlib.c b/common/keyboard_8042_sharedlib.c
new file mode 100644
index 0000000000..fdacb9db29
--- /dev/null
+++ b/common/keyboard_8042_sharedlib.c
@@ -0,0 +1,71 @@
+/* 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. */
+SHAREDLIB(const uint16_t scancode_set1[KEYBOARD_ROWS][KEYBOARD_COLS] = {
+	{0x0000, 0xe05b, 0x003b, 0x0030, 0x0044, 0x0073, 0x0031, 0x0000, 0x000d,
+	 0x0000, 0xe038, 0x0000, 0x0000},
+	{0x0000, 0x0001, 0x003e, 0x0022, 0x0041, 0x0000, 0x0023, 0x0000, 0x0028,
+	 0x0043, 0x0000, 0x000e, 0x0079},
+	{0x001d, 0x000f, 0x003d, 0x0014, 0x0040, 0x001b, 0x0015, 0x0056, 0x001a,
+	 0x0042, 0x007d, 0x0000, 0x0000},
+	{0x0000, 0x0029, 0x003c, 0x0006, 0x003f, 0x0000, 0x0007, 0x0000, 0x000c,
+	 0x005d, 0x0000, 0x002b, 0x007b},
+	{0xe01d, 0x001e, 0x0020, 0x0021, 0x001f, 0x0025, 0x0024, 0x0000, 0x0027,
+	 0x0026, 0x002b, 0x001c, 0x0000},
+	{0x0000, 0x002c, 0x002e, 0x002f, 0x002d, 0x0033, 0x0032, 0x002a, 0x0035,
+	 0x0034, 0x0000, 0x0039, 0x0000},
+	{0x0000, 0x0002, 0x0004, 0x0005, 0x0003, 0x0009, 0x0008, 0x0000, 0x000b,
+	 0x000a, 0x0038, 0xe050, 0xe04d},
+	{0x0000, 0x0010, 0x0012, 0x0013, 0x0011, 0x0017, 0x0016, 0x0036, 0x0019,
+	 0x0018, 0x0000, 0xe048, 0xe04b},
+});
+
+SHAREDLIB(const 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},
+	{0x0000, 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},
+	{0x0000, 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},
+});
+
+/*
+ * Button scancodes.
+ * Must be in the same order as defined in keyboard_button_type.
+ */
+SHAREDLIB(const struct button_8042_t buttons_8042[] = {
+	{0xe05e, 0xe037, 0}, /* Power */
+	{0xe02e, 0xe021, 1}, /* Volume Down */
+	{0xe030, 0xe032, 1}, /* Volume Up */
+	{0x0002, 0x0016, 1}, /* 1 */
+	{0x0003, 0x001e, 1}, /* 2 */
+	{0x0004, 0x0026, 1}, /* 3 */
+	{0x0005, 0x0025, 1}, /* 4 */
+	{0x0006, 0x002e, 1}, /* 5 */
+	{0x0007, 0x0036, 1}, /* 6 */
+	{0x0008, 0x003d, 1}, /* 7 */
+	{0x0009, 0x003e, 1}, /* 8 */
+});
+BUILD_ASSERT(ARRAY_SIZE(buttons_8042) == KEYBOARD_BUTTON_COUNT);