2
* include/linux/pc_keyb.h
4
* PC Keyboard And Keyboard Controller
6
* (c) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
10
* Configuration Switches
12
#undef KBD_REPORT_ERR /* Report keyboard errors */
13
#define KBD_REPORT_UNKN /* Report unknown scan codes */
14
#define KBD_REPORT_TIMEOUTS /* Report keyboard timeouts */
15
#undef KBD_IS_FOCUS_9000 /* We have the brain-damaged FOCUS-9000 keyboard */
16
#undef INITIALIZE_MOUSE /* Define if your PS/2 mouse needs initialization. */
18
#define KBD_INIT_TIMEOUT 1000 /* Timeout in ms for initializing the keyboard */
19
#define KBC_TIMEOUT 250 /* Timeout in ms for sending to keyboard controller */
20
#define KBD_TIMEOUT 1000 /* Timeout in ms for keyboard command acknowledge */
23
* Internal variables of the driver
25
extern unsigned char pckbd_read_mask;
26
extern unsigned char aux_device_present;
29
* Keyboard Controller Registers on normal PCs.
31
#define KBD_STATUS_REG 0x64 /* Status register (R) */
32
#define KBD_CNTL_REG 0x64 /* Controller command register (W) */
33
#define KBD_DATA_REG 0x60 /* Keyboard data register (R/W) */
36
* Keyboard Controller Commands
38
#define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */
39
#define KBD_CCMD_WRITE_MODE 0x60 /* Write mode bits */
40
#define KBD_CCMD_GET_VERSION 0xA1 /* Get controller version */
41
#define KBD_CCMD_MOUSE_DISABLE 0xA7 /* Disable mouse interface */
42
#define KBD_CCMD_MOUSE_ENABLE 0xA8 /* Enable mouse interface */
43
#define KBD_CCMD_TEST_MOUSE 0xA9 /* Mouse interface test */
44
#define KBD_CCMD_SELF_TEST 0xAA /* Controller self test */
45
#define KBD_CCMD_KBD_TEST 0xAB /* Keyboard interface test */
46
#define KBD_CCMD_KBD_DISABLE 0xAD /* Keyboard interface disable */
47
#define KBD_CCMD_KBD_ENABLE 0xAE /* Keyboard interface enable */
48
#define KBD_CCMD_WRITE_AUX_OBUF 0xD3 /* Write to output buffer as if
49
initiated by the auxiliary device */
50
#define KBD_CCMD_WRITE_MOUSE 0xD4 /* Write the following byte to the mouse */
55
#define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */
56
#define KBD_CMD_SET_RATE 0xF3 /* Set typematic rate */
57
#define KBD_CMD_ENABLE 0xF4 /* Enable scanning */
58
#define KBD_CMD_DISABLE 0xF5 /* Disable scanning */
59
#define KBD_CMD_RESET 0xFF /* Reset */
64
#define KBD_REPLY_POR 0xAA /* Power on reset */
65
#define KBD_REPLY_ACK 0xFA /* Command ACK */
66
#define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */
69
* Status Register Bits
71
#define KBD_STAT_OBF 0x01 /* Keyboard output buffer full */
72
#define KBD_STAT_IBF 0x02 /* Keyboard input buffer full */
73
#define KBD_STAT_SELFTEST 0x04 /* Self test successful */
74
#define KBD_STAT_CMD 0x08 /* Last write was a command write (0=data) */
75
#define KBD_STAT_UNLOCKED 0x10 /* Zero if keyboard locked */
76
#define KBD_STAT_MOUSE_OBF 0x20 /* Mouse output buffer full */
77
#define KBD_STAT_GTO 0x40 /* General receive/xmit timeout */
78
#define KBD_STAT_PERR 0x80 /* Parity error */
80
#define AUX_STAT_OBF (KBD_STAT_OBF | KBD_STAT_MOUSE_OBF)
83
* Controller Mode Register Bits
85
#define KBD_MODE_KBD_INT 0x01 /* Keyboard data generate IRQ1 */
86
#define KBD_MODE_MOUSE_INT 0x02 /* Mouse data generate IRQ12 */
87
#define KBD_MODE_SYS 0x04 /* The system flag (?) */
88
#define KBD_MODE_NO_KEYLOCK 0x08 /* The keylock doesn't affect the keyboard if set */
89
#define KBD_MODE_DISABLE_KBD 0x10 /* Disable keyboard interface */
90
#define KBD_MODE_DISABLE_MOUSE 0x20 /* Disable mouse interface */
91
#define KBD_MODE_KCC 0x40 /* Scan code conversion to PC format */
92
#define KBD_MODE_RFU 0x80
97
#define AUX_SET_RES 0xE8 /* Set resolution */
98
#define AUX_SET_SCALE11 0xE6 /* Set 1:1 scaling */
99
#define AUX_SET_SCALE21 0xE7 /* Set 2:1 scaling */
100
#define AUX_GET_SCALE 0xE9 /* Get scaling factor */
101
#define AUX_SET_STREAM 0xEA /* Set stream mode */
102
#define AUX_SET_SAMPLE 0xF3 /* Set sample rate */
103
#define AUX_ENABLE_DEV 0xF4 /* Enable aux device */
104
#define AUX_DISABLE_DEV 0xF5 /* Disable aux device */
105
#define AUX_RESET 0xFF /* Reset aux device */
106
#define AUX_ACK 0xFA /* Command byte ACK. */
108
#define AUX_BUF_SIZE 2048 /* This might be better divisible by
109
three to make overruns stay in sync
110
but then the read function would need
117
wait_queue_head_t proc_list;
118
struct fasync_struct *fasync;
119
unsigned char buf[AUX_BUF_SIZE];