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authorFurquan Shaikh <furquan@google.com>2018-06-29 09:24:54 -0700
committerPatrick Georgi <pgeorgi@google.com>2018-07-02 07:32:33 +0000
commit1299dc107dca75a586f05ebdeaf99ba6a974a5e7 (patch)
tree23c89d6fb4ba6bba3fc1ea570b6db6cc6850464f /payloads/libpayload/drivers/i8042/i8042.h
parent118fb60b3a67d43aa71fc5cffb9b424d118866d9 (diff)
payloads/libpayload/drivers/i8042: Add macros for i8042 commands
This change adds macros for commands (written to 0x64) and keyboard commands (written to 0x60) for 8042 controller. BUG=b:110024487 Change-Id: I74b2388d048e35b5bdf5bd862d0975e88f1bd6af Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: https://review.coreboot.org/27289 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'payloads/libpayload/drivers/i8042/i8042.h')
-rw-r--r--payloads/libpayload/drivers/i8042/i8042.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/i8042/i8042.h b/payloads/libpayload/drivers/i8042/i8042.h
new file mode 100644
index 0000000000..4673d3703b
--- /dev/null
+++ b/payloads/libpayload/drivers/i8042/i8042.h
@@ -0,0 +1,69 @@
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright 2018 Google LLC.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef __DRIVERS_I8042_I8042_H__
+#define __DRIVERS_I8042_I8042_H__
+
+/* Port 0x64 commands */
+#define I8042_CMD_RD_CMD_BYTE 0x20
+#define I8042_CMD_WR_CMD_BYTE 0x60
+#define I8042_CMD_DIS_AUX 0xa7
+#define I8042_CMD_EN_AUX 0xa8
+#define I8042_CMD_AUX_TEST 0xa9
+#define I8042_CMD_SELF_TEST 0xaa
+#define I8042_SELF_TEST_RSP 0x55
+#define I8042_CMD_KB_TEST 0xab
+#define I8042_CMD_DIAG_DUMP 0xac
+#define I8042_CMD_DIS_KB 0xad
+#define I8042_CMD_EN_KB 0xae
+#define I8042_CMD_RD_INPUT_PORT 0xc0
+#define I8042_CMD_RD_OUTPUT_PORT 0xd0
+#define I8042_CMD_WR_OUTPUT_PORT 0xd1
+#define I8042_CMD_RD_TEST_INPUTS 0xe0
+
+/* Port 0x60 keyboard commands */
+#define I8042_KBCMD_SET_MODE_IND 0xed
+#define I8042_MODE_CAPS_LOCK_ON (1 << 2)
+#define I8042_MODE_CAPS_LOCK_OFF (0 << 2)
+#define I8042_MODE_NUM_LOCK_ON (1 << 1)
+#define I8042_MODE_NUM_LOCK_OFF (0 << 1)
+#define I8042_MODE_SCROLL_LOCK_ON (1 << 0)
+#define I8042_MODE_SCROLL_LOCK_OFF (0 << 0)
+#define I8042_KBCMD_SET_SCANCODE 0xf0
+#define I8042_SCANCODE_SET_1 (1)
+#define I8042_SCANCODE_SET_2 (2)
+#define I8042_SCANCODE_SET_3 (3)
+#define I8042_KBCMD_SET_TYPEMATIC 0xf3
+#define I8042_KBCMD_EN 0xf4
+#define I8042_KBCMD_DEFAULT_DIS 0xf5
+#define I8042_KBCMD_SET_DEFAULT 0xf6
+#define I8042_KBCMD_RESEND 0xfe
+#define I8042_KBCMD_RESET 0xff
+
+#endif /* __DRIVERS_I8042_I8042_H__ */