1 /* 2 * 3 * Copyright 2018 Google LLC 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef __DRIVERS_I8042_I8042_H__ 30 #define __DRIVERS_I8042_I8042_H__ 31 32 /* Port 0x64 commands */ 33 #define I8042_CMD_RD_CMD_BYTE 0x20 34 #define I8042_CMD_WR_CMD_BYTE 0x60 35 #define I8042_CMD_BYTE_XLATE (1 << 6) 36 #define I8042_CMD_DIS_AUX 0xa7 37 #define I8042_CMD_EN_AUX 0xa8 38 #define I8042_CMD_AUX_TEST 0xa9 39 #define I8042_CMD_SELF_TEST 0xaa 40 #define I8042_SELF_TEST_RSP 0x55 41 #define I8042_CMD_KB_TEST 0xab 42 #define I8042_CMD_DIAG_DUMP 0xac 43 #define I8042_CMD_DIS_KB 0xad 44 #define I8042_CMD_EN_KB 0xae 45 #define I8042_CMD_RD_INPUT_PORT 0xc0 46 #define I8042_CMD_RD_OUTPUT_PORT 0xd0 47 #define I8042_CMD_WR_OUTPUT_PORT 0xd1 48 #define I8042_CMD_RD_TEST_INPUTS 0xe0 49 50 /* Port 0x60 keyboard commands */ 51 #define I8042_KBCMD_SET_MODE_IND 0xed 52 #define I8042_MODE_CAPS_LOCK_ON (1 << 2) 53 #define I8042_MODE_CAPS_LOCK_OFF (0 << 2) 54 #define I8042_MODE_NUM_LOCK_ON (1 << 1) 55 #define I8042_MODE_NUM_LOCK_OFF (0 << 1) 56 #define I8042_MODE_SCROLL_LOCK_ON (1 << 0) 57 #define I8042_MODE_SCROLL_LOCK_OFF (0 << 0) 58 #define I8042_KBCMD_ECHO 0xee 59 #define I8042_KBCMD_SET_SCANCODE 0xf0 60 #define I8042_KBCMD_SET_TYPEMATIC 0xf3 61 #define I8042_KBCMD_EN 0xf4 62 #define I8042_KBCMD_DEFAULT_DIS 0xf5 63 #define I8042_KBCMD_SET_DEFAULT 0xf6 64 #define I8042_KBCMD_RESEND 0xfe 65 #define I8042_KBCMD_RESET 0xff 66 67 #endif /* __DRIVERS_I8042_I8042_H__ */ 68