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payloads/libpayload/drivers/i8042: Add macros for i8042 commands

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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>
This commit is contained in:
Furquan Shaikh
2018-06-29 09:24:54 -07:00
committed by Patrick Georgi
parent 118fb60b3a
commit 1299dc107d
3 changed files with 87 additions and 14 deletions
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69
payloads/libpayload/drivers/i8042/i8042.h Normal file
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@@ -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__ */