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.
5 * Copyright (C) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
7 * Ultra/AX specific hacks are:
9 * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
16 * Configuration Switches
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 */
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 */
28 * Internal variables of the driver
31 extern unsigned char pckbd_read_mask;
32 extern unsigned char aux_device_present;
35 * Keyboard Controller Registers
37 * NOTE: These are offsets from pcikbd_iobase, not absolute.
40 #define KBD_STATUS_REG 0x04
41 #define KBD_CNTL_REG KBD_STATUS_REG
42 #define KBD_DATA_REG 0x00
45 * Keyboard Controller Commands
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 */
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 */
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 */
79 * Status Register Bits
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 */
91 #define AUX_STAT_OBF (KBD_STAT_OBF | KBD_STAT_MOUSE_OBF)
94 * Controller Mode Register Bits
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
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 */
120 #endif /* __PCIKBD_H */