1 /* 2 * Commands to the keyboard processor 3 */ 4 5 #define LK_PARAM 0x80 /* start/end parameter list */ 6 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 */ 35 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 */ 49 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 */ 56 57 /* max volume is 0, lowest is 0x7 */ 58 #define LK_PARAM_VOLUME(v) (LK_PARAM|((v)&0x7)) 59 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 */ 64 65 /* there are 4 repeat registers */ 66 #define LK_PARAM_AR(r) (LK_PARAM|((v)&0x3)) 67 68 /* 69 * Mappings between key groups and keycodes are as follows: 70 * 71 * 1: 0xbf - 0xff -- alphanumeric, 72 * 2: 0x91 - 0xa5 -- numeric keypad, 73 * 3: 0xbc -- Backspace, 74 * 4: 0xbd - 0xbe -- Tab, Return, 75 * 5: 0xb0 - 0xb2 -- Lock, Compose Character, 76 * 6: 0xad - 0xaf -- Ctrl, Shift, 77 * 7: 0xa6 - 0xa8 -- Left Arrow, Right Arrow, 78 * 8: 0xa9 - 0xac -- Up Arrow, Down Arrow, Right Shift, 79 * 9: 0x88 - 0x90 -- editor keypad, 80 * 10: 0x56 - 0x62 -- F1 - F5, 81 * 11: 0x63 - 0x6e -- F6 - F10, 82 * 12: 0x6f - 0x7a -- F11 - F14, 83 * 13: 0x7b - 0x7d -- Help, Do, 84 * 14: 0x7e - 0x87 -- F17 - F20. 85 * 86 * Notes: 87 * 1. Codes in the 0x00 - 0x40 range are reserved. 88 * 2. The assignment of the 0x41 - 0x55 range is undiscovered, probably 10. 89 */ 90 91 /* delay is 5 - 630 ms; 0x00 and 0x7f are reserved */ 92 #define LK_PARAM_DELAY(t) ((t)&0x7f) 93 94 /* rate is 12 - 127 Hz; 0x00 - 0x0b and 0x7d (power-up!) are reserved */ 95 #define LK_PARAM_RATE(r) (LK_PARAM|((r)&0x7f)) 96 97 #define LK_SHIFT 1<<0 98 #define LK_CTRL 1<<1 99 #define LK_LOCK 1<<2 100 #define LK_COMP 1<<3 101 102 #define LK_KEY_SHIFT 0xae 103 #define LK_KEY_CTRL 0xaf 104 #define LK_KEY_LOCK 0xb0 105 #define LK_KEY_COMP 0xb1 106 107 #define LK_KEY_RELEASE 0xb3 /* all keys released */ 108 #define LK_KEY_REPEAT 0xb4 /* repeat the last key */ 109 110 /* status responses */ 111 #define LK_STAT_RESUME_ERR 0xb5 /* keystrokes lost while inhibited */ 112 #define LK_STAT_ERROR 0xb6 /* an invalid command received */ 113 #define LK_STAT_INHIBIT_ACK 0xb7 /* transmission inhibited */ 114 #define LK_STAT_TEST_ACK 0xb8 /* the factory test mode entered */ 115 #define LK_STAT_MODE_KEYDOWN 0xb9 /* a key is down on a change */ 116 /* to the DOWN_UP mode; */ 117 /* the keycode follows */ 118 #define LK_STAT_MODE_ACK 0xba /* the mode command succeeded */ 119 120 #define LK_STAT_PWRUP_ID 0x01 /* the power-up response start mark */ 121 #define LK_STAT_PWRUP_OK 0x00 /* the power-up self test OK */ 122 #define LK_STAT_PWRUP_KDOWN 0x3d /* a key was down during the test */ 123 #define LK_STAT_PWRUP_ERROR 0x3e /* keyboard self test failure */ 124 125 extern unsigned char scancodeRemap[256]; 126