1/* $Id: pcikbd.h,v 1.1.1.1 2008/10/15 03:26:47 james26_jang Exp $ 2 * pcikbd.h: PCI/PC 8042 keyboard/mouse driver stuff. Mostly snarfed 3 * from the existing driver by Martin Mares. 4 * 5 * Copyright (C) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz> 6 * 7 * Ultra/AX specific hacks are: 8 * 9 * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) 10 */ 11 12#ifndef __PCIKBD_H 13#define __PCIKBD_H 14 15/* 16 * Configuration Switches 17 */ 18 19#define KBD_REPORT_ERR /* Report keyboard errors */ 20#define KBD_REPORT_UNKN /* Report unknown scan codes */ 21#define KBD_REPORT_TIMEOUTS /* Report keyboard timeouts */ 22 23#define KBD_INIT_TIMEOUT HZ /* Timeout for initializing the keyboard */ 24#define KBC_TIMEOUT (HZ/4) /* Timeout for sending to keyboard controller */ 25#define KBD_TIMEOUT (HZ/4) /* Timeout for keyboard command acknowledge */ 26 27/* 28 * Internal variables of the driver 29 */ 30 31extern unsigned char pckbd_read_mask; 32extern unsigned char aux_device_present; 33 34extern unsigned long pcikbd_iobase; 35extern unsigned int pcikbd_irq; 36 37/* 38 * Keyboard Controller Registers 39 * 40 * NOTE: These are offsets from pcikbd_iobase, not absolute. 41 */ 42 43#define KBD_STATUS_REG 0x04 44#define KBD_CNTL_REG KBD_STATUS_REG 45#define KBD_DATA_REG 0x00 46 47/* 48 * Keyboard Controller Commands 49 */ 50 51#define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */ 52#define KBD_CCMD_WRITE_MODE 0x60 /* Write mode bits */ 53#define KBD_CCMD_GET_VERSION 0xA1 /* Get controller version */ 54#define KBD_CCMD_MOUSE_DISABLE 0xA7 /* Disable mouse interface */ 55#define KBD_CCMD_MOUSE_ENABLE 0xA8 /* Enable mouse interface */ 56#define KBD_CCMD_TEST_MOUSE 0xA9 /* Mouse interface test */ 57#define KBD_CCMD_SELF_TEST 0xAA /* Controller self test */ 58#define KBD_CCMD_KBD_TEST 0xAB /* Keyboard interface test */ 59#define KBD_CCMD_KBD_DISABLE 0xAD /* Keyboard interface disable */ 60#define KBD_CCMD_KBD_ENABLE 0xAE /* Keyboard interface enable */ 61#define KBD_CCMD_WRITE_MOUSE 0xD4 /* Write the following byte to the mouse */ 62 63/* 64 * Keyboard Commands 65 */ 66 67#define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */ 68#define KBD_CMD_SET_RATE 0xF3 /* Set typematic rate */ 69#define KBD_CMD_ENABLE 0xF4 /* Enable scanning */ 70#define KBD_CMD_DISABLE 0xF5 /* Disable scanning */ 71#define KBD_CMD_RESET 0xFF /* Reset */ 72 73/* 74 * Keyboard Replies 75 */ 76 77#define KBD_REPLY_POR 0xAA /* Power on reset */ 78#define KBD_REPLY_ACK 0xFA /* Command ACK */ 79#define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */ 80 81/* 82 * Status Register Bits 83 */ 84 85#define KBD_STAT_OBF 0x01 /* Keyboard output buffer full */ 86#define KBD_STAT_IBF 0x02 /* Keyboard input buffer full */ 87#define KBD_STAT_SELFTEST 0x04 /* Self test successful */ 88#define KBD_STAT_CMD 0x08 /* Last write was a command write (0=data) */ 89#define KBD_STAT_UNLOCKED 0x10 /* Zero if keyboard locked */ 90#define KBD_STAT_MOUSE_OBF 0x20 /* Mouse output buffer full */ 91#define KBD_STAT_GTO 0x40 /* General receive/xmit timeout */ 92#define KBD_STAT_PERR 0x80 /* Parity error */ 93 94#define AUX_STAT_OBF (KBD_STAT_OBF | KBD_STAT_MOUSE_OBF) 95 96/* 97 * Controller Mode Register Bits 98 */ 99 100#define KBD_MODE_KBD_INT 0x01 /* Keyboard data generage IRQ1 */ 101#define KBD_MODE_MOUSE_INT 0x02 /* Mouse data generate IRQ12 */ 102#define KBD_MODE_SYS 0x04 /* The system flag (?) */ 103#define KBD_MODE_NO_KEYLOCK 0x08 /* The keylock doesn't affect the keyboard if set */ 104#define KBD_MODE_DISABLE_KBD 0x10 /* Disable keyboard interface */ 105#define KBD_MODE_DISABLE_MOUSE 0x20 /* Disable mouse interface */ 106#define KBD_MODE_KCC 0x40 /* Scan code conversion to PC format */ 107#define KBD_MODE_RFU 0x80 108 109/* 110 * Mouse Commands 111 */ 112 113#define AUX_SET_RES 0xE8 /* Set resolution */ 114#define AUX_SET_SCALE11 0xE6 /* Set 1:1 scaling */ 115#define AUX_SET_SCALE21 0xE7 /* Set 2:1 scaling */ 116#define AUX_GET_SCALE 0xE9 /* Get scaling factor */ 117#define AUX_SET_STREAM 0xEA /* Set stream mode */ 118#define AUX_SET_SAMPLE 0xF3 /* Set sample rate */ 119#define AUX_ENABLE_DEV 0xF4 /* Enable aux device */ 120#define AUX_DISABLE_DEV 0xF5 /* Disable aux device */ 121#define AUX_RESET 0xFF /* Reset aux device */ 122 123#endif /* __PCIKBD_H */ 124