2 * Commands to the keyboard processor
5 #define LK_PARAM 0x80 /* start/end parameter list */
7 #define LK_CMD_RESUME 0x8b /* resume transmission to the host */
8 #define LK_CMD_INHIBIT 0x89 /* stop transmission to the host */
9 #define LK_CMD_LEDS_ON 0x13 /* light LEDs */
10 /* 1st param: led bitmask */
11 #define LK_CMD_LEDS_OFF 0x11 /* turn off LEDs */
12 /* 1st param: led bitmask */
13 #define LK_CMD_DIS_KEYCLK 0x99 /* disable the keyclick */
14 #define LK_CMD_ENB_KEYCLK 0x1b /* enable the keyclick */
15 /* 1st param: volume */
16 #define LK_CMD_DIS_CTLCLK 0xb9 /* disable the Ctrl keyclick */
17 #define LK_CMD_ENB_CTLCLK 0xbb /* enable the Ctrl keyclick */
18 #define LK_CMD_SOUND_CLK 0x9f /* emit a keyclick */
19 #define LK_CMD_DIS_BELL 0xa1 /* disable the bell */
20 #define LK_CMD_ENB_BELL 0x23 /* enable the bell */
21 /* 1st param: volume */
22 #define LK_CMD_BELL 0xa7 /* emit a bell */
23 #define LK_CMD_TMP_NORPT 0xd1 /* disable typematic */
24 /* for the currently pressed key */
25 #define LK_CMD_ENB_RPT 0xe3 /* enable typematic */
26 /* for RPT_DOWN groups */
27 #define LK_CMD_DIS_RPT 0xe1 /* disable typematic */
28 /* for RPT_DOWN groups */
29 #define LK_CMD_RPT_TO_DOWN 0xd9 /* set RPT_DOWN groups to DOWN */
30 #define LK_CMD_REQ_ID 0xab /* request the keyboard ID */
31 #define LK_CMD_POWER_UP 0xfd /* init power-up sequence */
32 #define LK_CMD_TEST_MODE 0xcb /* enter the factory test mode */
33 #define LK_CMD_TEST_EXIT 0x80 /* exit the factory test mode */
34 #define LK_CMD_SET_DEFAULTS 0xd3 /* set power-up defaults */
36 #define LK_CMD_MODE(m,div) (LK_PARAM|(((div)&0xf)<<3)|(((m)&0x3)<<1))
37 /* select the repeat mode */
38 /* for the selected key group */
39 #define LK_CMD_MODE_AR(m,div) ((((div)&0xf)<<3)|(((m)&0x3)<<1))
40 /* select the repeat mode */
41 /* and the repeat register */
42 /* for the selected key group */
43 /* 1st param: register number */
44 #define LK_CMD_RPT_RATE(r) (0x78|(((r)&0x3)<<1))
45 /* set the delay and repeat rate */
46 /* for the selected repeat register */
47 /* 1st param: initial delay */
48 /* 2nd param: repeat rate */
50 /* there are 4 leds, represent them in the low 4 bits of a byte */
51 #define LK_PARAM_LED_MASK(ledbmap) (LK_PARAM|((ledbmap)&0xf))
52 #define LK_LED_WAIT 0x1 /* Wait LED */
53 #define LK_LED_COMP 0x2 /* Compose LED */
54 #define LK_LED_LOCK 0x4 /* Lock LED */
55 #define LK_LED_HOLD 0x8 /* Hold Screen LED */
57 /* max volume is 0, lowest is 0x7 */
58 #define LK_PARAM_VOLUME(v) (LK_PARAM|((v)&0x7))
60 /* mode set command details, div is a key group number */
61 #define LK_MODE_DOWN 0x0 /* make only */
62 #define LK_MODE_RPT_DOWN 0x1 /* make and typematic */
63 #define LK_MODE_DOWN_UP 0x3 /* make and release */
65 /* there are 4 repeat registers */
66 #define LK_PARAM_AR(r) (LK_PARAM|((v)&0x3))
69 * Mappings between key groups and keycodes are as follows:
71 * 1: 0xbf - 0xfb -- alphanumeric,
72 * 2: 0x92 - 0xa4 -- numeric keypad,
73 * 3: 0xbc -- Backspace,
74 * 4: 0xbd - 0xbe -- Tab, Return,
75 * 5: 0xb0 - 0xb1 -- Lock, Compose Character,
76 * 6: 0xae - 0xaf -- Ctrl, Shift,
77 * 7: 0xa7 - 0xa8 -- Left Arrow, Right Arrow,
78 * 8: 0xa9 - 0xab -- Up Arrow, Down Arrow, Right Shift,
79 * 9: 0x8a - 0x8f -- editor keypad,
80 * 10: 0x56 - 0x5a -- F1 - F5,
81 * 11: 0x64 - 0x68 -- F6 - F10,
82 * 12: 0x71 - 0x74 -- F11 - F14,
83 * 13: 0x7c - 0x7d -- Help, Do,
84 * 14: 0x80 - 0x83 -- F17 - F20.
86 * Others, i.e. 0x55, 0xac, 0xad, 0xb2, are undiscovered.
89 /* delay is 5 - 630 ms; 0x00 and 0x7f are reserved */
90 #define LK_PARAM_DELAY(t) ((t)&0x7f)
92 /* rate is 12 - 127 Hz; 0x00 - 0x0b and 0x7d (power-up!) are reserved */
93 #define LK_PARAM_RATE(r) (LK_PARAM|((r)&0x7f))
100 #define LK_KEY_SHIFT 0xae
101 #define LK_KEY_CTRL 0xaf
102 #define LK_KEY_LOCK 0xb0
103 #define LK_KEY_COMP 0xb1
105 #define LK_KEY_RELEASE 0xb3 /* all keys released */
106 #define LK_KEY_REPEAT 0xb4 /* repeat the last key */
108 /* status responses */
109 #define LK_STAT_RESUME_ERR 0xb5 /* keystrokes lost while inhibited */
110 #define LK_STAT_ERROR 0xb6 /* an invalid command received */
111 #define LK_STAT_INHIBIT_ACK 0xb7 /* transmission inhibited */
112 #define LK_STAT_TEST_ACK 0xb8 /* the factory test mode entered */
113 #define LK_STAT_MODE_KEYDOWN 0xb9 /* a key is down on a change */
114 /* to the DOWN_UP mode; */
115 /* the keycode follows */
116 #define LK_STAT_MODE_ACK 0xba /* the mode command succeeded */
118 #define LK_STAT_PWRUP_ID 0x01 /* the power-up response start mark */
119 #define LK_STAT_PWRUP_OK 0x00 /* the power-up self test OK */
120 #define LK_STAT_PWRUP_KDOWN 0x3d /* a key was down during the test */
121 #define LK_STAT_PWRUP_ERROR 0x3e /* keyboard self test failure */
123 extern unsigned char scancodeRemap[256];