diff options
Diffstat (limited to 'payloads/libpayload/drivers/i8042/i8042.h')
| -rw-r--r-- | payloads/libpayload/drivers/i8042/i8042.h | 69 |
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__ */ |