diff options
Diffstat (limited to 'drivers/tc/lk201.h')
| -rw-r--r-- | drivers/tc/lk201.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/drivers/tc/lk201.h b/drivers/tc/lk201.h new file mode 100644 index 000000000000..99f3203c41b8 --- /dev/null +++ b/drivers/tc/lk201.h @@ -0,0 +1,125 @@ +/* + * Commands to the keyboard processor + */ + +#define LK_PARAM 0x80 /* start/end parameter list */ + +#define LK_CMD_RESUME 0x8b /* resume transmission to the host */ +#define LK_CMD_INHIBIT 0x89 /* stop transmission to the host */ +#define LK_CMD_LEDS_ON 0x13 /* light LEDs */ + /* 1st param: led bitmask */ +#define LK_CMD_LEDS_OFF 0x11 /* turn off LEDs */ + /* 1st param: led bitmask */ +#define LK_CMD_DIS_KEYCLK 0x99 /* disable the keyclick */ +#define LK_CMD_ENB_KEYCLK 0x1b /* enable the keyclick */ + /* 1st param: volume */ +#define LK_CMD_DIS_CTLCLK 0xb9 /* disable the Ctrl keyclick */ +#define LK_CMD_ENB_CTLCLK 0xbb /* enable the Ctrl keyclick */ +#define LK_CMD_SOUND_CLK 0x9f /* emit a keyclick */ +#define LK_CMD_DIS_BELL 0xa1 /* disable the bell */ +#define LK_CMD_ENB_BELL 0x23 /* enable the bell */ + /* 1st param: volume */ +#define LK_CMD_BELL 0xa7 /* emit a bell */ +#define LK_CMD_TMP_NORPT 0xd1 /* disable typematic */ + /* for the currently pressed key */ +#define LK_CMD_ENB_RPT 0xe3 /* enable typematic */ + /* for RPT_DOWN groups */ +#define LK_CMD_DIS_RPT 0xe1 /* disable typematic */ + /* for RPT_DOWN groups */ +#define LK_CMD_RPT_TO_DOWN 0xd9 /* set RPT_DOWN groups to DOWN */ +#define LK_CMD_REQ_ID 0xab /* request the keyboard ID */ +#define LK_CMD_POWER_UP 0xfd /* init power-up sequence */ +#define LK_CMD_TEST_MODE 0xcb /* enter the factory test mode */ +#define LK_CMD_TEST_EXIT 0x80 /* exit the factory test mode */ +#define LK_CMD_SET_DEFAULTS 0xd3 /* set power-up defaults */ + +#define LK_CMD_MODE(m,div) (LK_PARAM|(((div)&0xf)<<3)|(((m)&0x3)<<1)) + /* select the repeat mode */ + /* for the selected key group */ +#define LK_CMD_MODE_AR(m,div) ((((div)&0xf)<<3)|(((m)&0x3)<<1)) + /* select the repeat mode */ + /* and the repeat register */ + /* for the selected key group */ + /* 1st param: register number */ +#define LK_CMD_RPT_RATE(r) (0x78|(((r)&0x3)<<1)) + /* set the delay and repeat rate */ + /* for the selected repeat register */ + /* 1st param: initial delay */ + /* 2nd param: repeat rate */ + +/* there are 4 leds, represent them in the low 4 bits of a byte */ +#define LK_PARAM_LED_MASK(ledbmap) (LK_PARAM|((ledbmap)&0xf)) +#define LK_LED_WAIT 0x1 /* Wait LED */ +#define LK_LED_COMP 0x2 /* Compose LED */ +#define LK_LED_LOCK 0x4 /* Lock LED */ +#define LK_LED_HOLD 0x8 /* Hold Screen LED */ + +/* max volume is 0, lowest is 0x7 */ +#define LK_PARAM_VOLUME(v) (LK_PARAM|((v)&0x7)) + +/* mode set command details, div is a key group number */ +#define LK_MODE_DOWN 0x0 /* make only */ +#define LK_MODE_RPT_DOWN 0x1 /* make and typematic */ +#define LK_MODE_DOWN_UP 0x3 /* make and release */ + +/* there are 4 repeat registers */ +#define LK_PARAM_AR(r) (LK_PARAM|((v)&0x3)) + +/* + * Mappings between key groups and keycodes are as follows: + * + * 1: 0xbf - 0xff -- alphanumeric, + * 2: 0x91 - 0xa5 -- numeric keypad, + * 3: 0xbc -- Backspace, + * 4: 0xbd - 0xbe -- Tab, Return, + * 5: 0xb0 - 0xb2 -- Lock, Compose Character, + * 6: 0xad - 0xaf -- Ctrl, Shift, + * 7: 0xa6 - 0xa8 -- Left Arrow, Right Arrow, + * 8: 0xa9 - 0xac -- Up Arrow, Down Arrow, Right Shift, + * 9: 0x88 - 0x90 -- editor keypad, + * 10: 0x56 - 0x62 -- F1 - F5, + * 11: 0x63 - 0x6e -- F6 - F10, + * 12: 0x6f - 0x7a -- F11 - F14, + * 13: 0x7b - 0x7d -- Help, Do, + * 14: 0x7e - 0x87 -- F17 - F20. + * + * Notes: + * 1. Codes in the 0x00 - 0x40 range are reserved. + * 2. The assignment of the 0x41 - 0x55 range is undiscovered, probably 10. + */ + +/* delay is 5 - 630 ms; 0x00 and 0x7f are reserved */ +#define LK_PARAM_DELAY(t) ((t)&0x7f) + +/* rate is 12 - 127 Hz; 0x00 - 0x0b and 0x7d (power-up!) are reserved */ +#define LK_PARAM_RATE(r) (LK_PARAM|((r)&0x7f)) + +#define LK_SHIFT 1<<0 +#define LK_CTRL 1<<1 +#define LK_LOCK 1<<2 +#define LK_COMP 1<<3 + +#define LK_KEY_SHIFT 0xae +#define LK_KEY_CTRL 0xaf +#define LK_KEY_LOCK 0xb0 +#define LK_KEY_COMP 0xb1 + +#define LK_KEY_RELEASE 0xb3 /* all keys released */ +#define LK_KEY_REPEAT 0xb4 /* repeat the last key */ + +/* status responses */ +#define LK_STAT_RESUME_ERR 0xb5 /* keystrokes lost while inhibited */ +#define LK_STAT_ERROR 0xb6 /* an invalid command received */ +#define LK_STAT_INHIBIT_ACK 0xb7 /* transmission inhibited */ +#define LK_STAT_TEST_ACK 0xb8 /* the factory test mode entered */ +#define LK_STAT_MODE_KEYDOWN 0xb9 /* a key is down on a change */ + /* to the DOWN_UP mode; */ + /* the keycode follows */ +#define LK_STAT_MODE_ACK 0xba /* the mode command succeeded */ + +#define LK_STAT_PWRUP_ID 0x01 /* the power-up response start mark */ +#define LK_STAT_PWRUP_OK 0x00 /* the power-up self test OK */ +#define LK_STAT_PWRUP_KDOWN 0x3d /* a key was down during the test */ +#define LK_STAT_PWRUP_ERROR 0x3e /* keyboard self test failure */ + +extern unsigned char scancodeRemap[256]; |