1 /* $Id: pcikbd.h,v 1.2 1997/12/25 21:13:14 geert 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 31 extern unsigned char pckbd_read_mask; 32 extern unsigned char aux_device_present; 33 34 /* 35 * Keyboard Controller Registers 36 * 37 * NOTE: These are offsets from pcikbd_iobase, not absolute. 38 */ 39 40 #define KBD_STATUS_REG 0x04 41 #define KBD_CNTL_REG KBD_STATUS_REG 42 #define KBD_DATA_REG 0x00 43 44 /* 45 * Keyboard Controller Commands 46 */ 47 48 #define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */ 49 #define KBD_CCMD_WRITE_MODE 0x60 /* Write mode bits */ 50 #define KBD_CCMD_GET_VERSION 0xA1 /* Get controller version */ 51 #define KBD_CCMD_MOUSE_DISABLE 0xA7 /* Disable mouse interface */ 52 #define KBD_CCMD_MOUSE_ENABLE 0xA8 /* Enable mouse interface */ 53 #define KBD_CCMD_TEST_MOUSE 0xA9 /* Mouse interface test */ 54 #define KBD_CCMD_SELF_TEST 0xAA /* Controller self test */ 55 #define KBD_CCMD_KBD_TEST 0xAB /* Keyboard interface test */ 56 #define KBD_CCMD_KBD_DISABLE 0xAD /* Keyboard interface disable */ 57 #define KBD_CCMD_KBD_ENABLE 0xAE /* Keyboard interface enable */ 58 #define KBD_CCMD_WRITE_MOUSE 0xD4 /* Write the following byte to the mouse */ 59 60 /* 61 * Keyboard Commands 62 */ 63 64 #define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */ 65 #define KBD_CMD_SET_RATE 0xF3 /* Set typematic rate */ 66 #define KBD_CMD_ENABLE 0xF4 /* Enable scanning */ 67 #define KBD_CMD_DISABLE 0xF5 /* Disable scanning */ 68 #define KBD_CMD_RESET 0xFF /* Reset */ 69 70 /* 71 * Keyboard Replies 72 */ 73 74 #define KBD_REPLY_POR 0xAA /* Power on reset */ 75 #define KBD_REPLY_ACK 0xFA /* Command ACK */ 76 #define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */ 77 78 /* 79 * Status Register Bits 80 */ 81 82 #define KBD_STAT_OBF 0x01 /* Keyboard output buffer full */ 83 #define KBD_STAT_IBF 0x02 /* Keyboard input buffer full */ 84 #define KBD_STAT_SELFTEST 0x04 /* Self test successful */ 85 #define KBD_STAT_CMD 0x08 /* Last write was a command write (0=data) */ 86 #define KBD_STAT_UNLOCKED 0x10 /* Zero if keyboard locked */ 87 #define KBD_STAT_MOUSE_OBF 0x20 /* Mouse output buffer full */ 88 #define KBD_STAT_GTO 0x40 /* General receive/xmit timeout */ 89 #define KBD_STAT_PERR 0x80 /* Parity error */ 90 91 #define AUX_STAT_OBF (KBD_STAT_OBF | KBD_STAT_MOUSE_OBF) 92 93 /* 94 * Controller Mode Register Bits 95 */ 96 97 #define KBD_MODE_KBD_INT 0x01 /* Keyboard data generage IRQ1 */ 98 #define KBD_MODE_MOUSE_INT 0x02 /* Mouse data generate IRQ12 */ 99 #define KBD_MODE_SYS 0x04 /* The system flag (?) */ 100 #define KBD_MODE_NO_KEYLOCK 0x08 /* The keylock doesn't affect the keyboard if set */ 101 #define KBD_MODE_DISABLE_KBD 0x10 /* Disable keyboard interface */ 102 #define KBD_MODE_DISABLE_MOUSE 0x20 /* Disable mouse interface */ 103 #define KBD_MODE_KCC 0x40 /* Scan code conversion to PC format */ 104 #define KBD_MODE_RFU 0x80 105 106 /* 107 * Mouse Commands 108 */ 109 110 #define AUX_SET_RES 0xE8 /* Set resolution */ 111 #define AUX_SET_SCALE11 0xE6 /* Set 1:1 scaling */ 112 #define AUX_SET_SCALE21 0xE7 /* Set 2:1 scaling */ 113 #define AUX_GET_SCALE 0xE9 /* Get scaling factor */ 114 #define AUX_SET_STREAM 0xEA /* Set stream mode */ 115 #define AUX_SET_SAMPLE 0xF3 /* Set sample rate */ 116 #define AUX_ENABLE_DEV 0xF4 /* Enable aux device */ 117 #define AUX_DISABLE_DEV 0xF5 /* Disable aux device */ 118 #define AUX_RESET 0xFF /* Reset aux device */ 119 120 #endif /* __PCIKBD_H */ 121