projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 1df49e27 WD |
2 | /* |
| 3 | * (C) Copyright 2002 ELTEC Elektronik AG | |
| 4 | * Frank Gottschling <fgottschling@eltec.de> | |
| 1df49e27 WD |
5 | */ |
| 6 | ||
| 7 | /* i8042.h - Intel 8042 keyboard driver header */ | |
| 8 | ||
| 9 | #ifndef _I8042_H_ | |
| 10 | #define _I8042_H_ | |
| 11 | ||
| 12 | /* defines */ | |
| 13 | ||
| 835dd000 BM |
14 | #define I8042_DATA_REG 0x60 /* keyboard i/o buffer */ |
| 15 | #define I8042_STS_REG 0x64 /* keyboard status read */ | |
| 16 | #define I8042_CMD_REG 0x64 /* keyboard ctrl write */ | |
| 17 | ||
| 18 | /* Status register bit defines */ | |
| 19 | #define STATUS_OBF (1 << 0) | |
| 20 | #define STATUS_IBF (1 << 1) | |
| 21 | ||
| 22 | /* Configuration byte bit defines */ | |
| 23 | #define CONFIG_KIRQ_EN (1 << 0) | |
| 24 | #define CONFIG_MIRQ_EN (1 << 1) | |
| 25 | #define CONFIG_SET_BIST (1 << 2) | |
| 26 | #define CONFIG_KCLK_DIS (1 << 4) | |
| 27 | #define CONFIG_MCLK_DIS (1 << 5) | |
| 28 | #define CONFIG_AT_TRANS (1 << 6) | |
| 29 | ||
| 30 | /* i8042 commands */ | |
| 31 | #define CMD_RD_CONFIG 0x20 /* read configuration byte */ | |
| 32 | #define CMD_WR_CONFIG 0x60 /* write configuration byte */ | |
| 33 | #define CMD_SELF_TEST 0xaa /* controller self-test */ | |
| 34 | #define CMD_KBD_DIS 0xad /* keyboard disable */ | |
| 35 | #define CMD_KBD_EN 0xae /* keyboard enable */ | |
| 36 | #define CMD_SET_KBD_LED 0xed /* set keyboard led */ | |
| 8226a3e9 | 37 | #define CMD_DRAIN_OUTPUT 0xf4 /* drain output buffer */ |
| 835dd000 BM |
38 | #define CMD_RESET_KBD 0xff /* reset keyboard */ |
| 39 | ||
| 40 | /* i8042 command result */ | |
| 41 | #define KBC_TEST_OK 0x55 | |
| 42 | #define KBD_ACK 0xfa | |
| 43 | #define KBD_POR 0xaa | |
| 44 | ||
| 45 | /* keyboard scan codes */ | |
| 46 | ||
| 47 | #define KBD_US 0 /* default US layout */ | |
| 48 | #define KBD_GER 1 /* german layout */ | |
| 49 | ||
| 50 | #define KBD_TIMEOUT 1000 /* 1 sec */ | |
| 51 | #define KBD_RESET_TRIES 3 | |
| 52 | ||
| 53 | #define AS 0 /* normal character index */ | |
| 54 | #define SH 1 /* shift index */ | |
| 55 | #define CN 2 /* control index */ | |
| 56 | #define NM 3 /* numeric lock index */ | |
| 57 | #define AK 4 /* right alt key */ | |
| 58 | #define CP 5 /* capslock index */ | |
| 59 | #define ST 6 /* stop output index */ | |
| 60 | #define EX 7 /* extended code index */ | |
| 61 | #define ES 8 /* escape and extended code index */ | |
| 62 | ||
| 63 | #define NORMAL 0x0000 /* normal key */ | |
| 64 | #define STP 0x0001 /* scroll lock stop output*/ | |
| 65 | #define NUM 0x0002 /* numeric lock */ | |
| 66 | #define CAPS 0x0004 /* capslock */ | |
| 67 | #define SHIFT 0x0008 /* shift */ | |
| 68 | #define CTRL 0x0010 /* control*/ | |
| 69 | #define EXT 0x0020 /* extended scan code 0xe0 */ | |
| 70 | #define ESC 0x0040 /* escape key press */ | |
| 71 | #define E1 0x0080 /* extended scan code 0xe1 */ | |
| 72 | #define BRK 0x0100 /* make break flag for keyboard */ | |
| 73 | #define ALT 0x0200 /* right alt */ | |
| 1df49e27 | 74 | |
| 1df49e27 | 75 | #endif /* _I8042_H_ */ |