drivers/tc/lk201.h

   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];