diff options
Diffstat (limited to 'chips/lk201.c')
| -rw-r--r-- | chips/lk201.c | 695 |
1 files changed, 0 insertions, 695 deletions
diff --git a/chips/lk201.c b/chips/lk201.c deleted file mode 100644 index d11b1e9..0000000 --- a/chips/lk201.c +++ /dev/null @@ -1,695 +0,0 @@ -/* - * Mach Operating System - * Copyright (c) 1991,1990,1989 Carnegie Mellon University - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie Mellon - * the rights to redistribute these changes. - */ -/* - * File: lk201.c - * Author: Alessandro Forin, Carnegie Mellon University - * Date: 9/90 - * - * Routines for the LK201 Keyboard Driver - */ - -#include <lk.h> -#if NLK > 0 -#include <bm.h> - -#include <mach_kdb.h> - -#include <mach/std_types.h> -#include <device/device_types.h> -#include <machine/machspl.h> /* spl definitions */ -#include <sys/ioctl.h> -#include <machine/machspl.h> -#include <chips/lk201.h> -#include <chips/serial_defs.h> -#include <chips/screen_defs.h> - - -/* - * Structures describing the keyboard status - */ -typedef struct { - unsigned short kbd_flags; - unsigned short kbd_previous; - char kbd_gen_shift; - char kbd_ctrl; - char kbd_lock; - char kbd_meta; - char kbd_shift; -} lk201_kbd_state_t; - -#define mapLOCKtoCNTRL 0x1 /* flags */ - -typedef struct { - char led_active; - char led_pattern; - char led_increasing; - char led_lights; - int led_interval; - int led_light_count; -} lk201_led_state_t; - - -/* - * Keyboard state - */ - -struct lk201_softc { - lk201_kbd_state_t kbd; - lk201_led_state_t led; - int sl_unit; -} lk201_softc_data[NLK]; - -typedef struct lk201_softc *lk201_softc_t; - -lk201_softc_t lk201_softc[NLK]; - -/* - * Forward decls - */ -io_return_t -lk201_translation( - int key, - char c, - int tabcode ); - -int -lk201_input( - int unit, - unsigned short data); - - -/* - * Autoconf (sort-of) - */ -lk201_probe( - int unit) -{ - lk201_softc[unit] = &lk201_softc_data[unit]; - return 1; -} - -void lk201_attach( - int unit, - int sl_unit) -{ - lk201_softc[unit]->sl_unit = sl_unit; - lk201_selftest(unit); -} - -/* - * Keyboard initialization - */ - -static unsigned char lk201_reset_string[] = { - LK_CMD_LEDS_ON, LK_PARAM_LED_MASK(0xf), /* show we are resetting */ - LK_CMD_SET_DEFAULTS, - LK_CMD_MODE(LK_MODE_RPT_DOWN,1), - LK_CMD_MODE(LK_MODE_RPT_DOWN,2), - LK_CMD_MODE(LK_MODE_RPT_DOWN,3), - LK_CMD_MODE(LK_MODE_RPT_DOWN,4), - LK_CMD_MODE(LK_MODE_DOWN_UP,5), - LK_CMD_MODE(LK_MODE_DOWN_UP,6), - LK_CMD_MODE(LK_MODE_RPT_DOWN,7), - LK_CMD_MODE(LK_MODE_RPT_DOWN,8), - LK_CMD_MODE(LK_MODE_RPT_DOWN,9), - LK_CMD_MODE(LK_MODE_RPT_DOWN,10), - LK_CMD_MODE(LK_MODE_RPT_DOWN,11), - LK_CMD_MODE(LK_MODE_RPT_DOWN,12), - LK_CMD_MODE(LK_MODE_DOWN,13), - LK_CMD_MODE(LK_MODE_RPT_DOWN,14), - LK_CMD_ENB_RPT, -/* LK_CMD_ENB_KEYCLK, LK_PARAM_VOLUME(4), */ - LK_CMD_DIS_KEYCLK, - LK_CMD_RESUME, - LK_CMD_ENB_BELL, LK_PARAM_VOLUME(4), - LK_CMD_LEDS_OFF, LK_PARAM_LED_MASK(0xf) -}; - -void -lk201_reset( - int unit) -{ - register int i, sl; - register spl_t s; - lk201_softc_t lk; - - lk = lk201_softc[unit]; - sl = lk->sl_unit; - s = spltty(); - for (i = 0; i < sizeof(lk201_reset_string); i++) { - (*console_putc)(sl, - SCREEN_LINE_KEYBOARD, - lk201_reset_string[i]); - delay(100); - } - /* zero any state associated with previous keypresses */ - bzero(lk, sizeof(*lk)); - lk->sl_unit = sl; - splx(s); -} - -lk201_selftest( - int unit) -{ - int messg[4], sl; - spl_t s; - - sl = lk201_softc[unit]->sl_unit; - s = spltty(); - (*console_putc)(sl, SCREEN_LINE_KEYBOARD, LK_CMD_REQ_ID); - delay(10000);/* arbitrary */ - messg[0] = (*console_getc)(sl, SCREEN_LINE_KEYBOARD, TRUE, TRUE); - messg[1] = (*console_getc)(sl, SCREEN_LINE_KEYBOARD, TRUE, TRUE); - splx(s); - - printf("( lk201 id %x.%x", messg[0], messg[1]); - - s = spltty(); - (*console_putc)(sl, SCREEN_LINE_KEYBOARD, LK_CMD_POWER_UP); - - /* cannot do this, waiting too long might cause receiver overruns */ -/* delay(80000);/* spec says 70 msecs or less */ - - messg[0] = (*console_getc)(sl, SCREEN_LINE_KEYBOARD, TRUE, TRUE); - messg[1] = (*console_getc)(sl, SCREEN_LINE_KEYBOARD, TRUE, TRUE); - messg[2] = (*console_getc)(sl, SCREEN_LINE_KEYBOARD, TRUE, TRUE); - messg[3] = (*console_getc)(sl, SCREEN_LINE_KEYBOARD, TRUE, TRUE); - splx(s); - - printf(", self-test "); - if (messg[0] != 0x01 || messg[1] || messg[2] || messg[3]) - printf("bad [%x %x %x %x]", - messg[0], messg[1], messg[2], messg[3]); - else - printf("ok )"); - - lk201_reset(unit); -} - -/* - * Tinkerbell - */ -void -lk201_ring_bell( - int unit) -{ - spl_t s = spltty(); - (*console_putc)(lk201_softc[unit]->sl_unit, SCREEN_LINE_KEYBOARD, LK_CMD_BELL); - splx(s); -} - -/* - * Here is your LED toy, Bob - */ -void -lk201_lights( - int unit, - boolean_t on) -{ - unsigned int sl; - spl_t s; - - sl = lk201_softc[unit]->sl_unit; - s = spltty(); - (*console_putc)(sl, SCREEN_LINE_KEYBOARD, LK_CMD_LEDS_OFF); - (*console_putc)(sl, SCREEN_LINE_KEYBOARD, LK_PARAM_LED_MASK(0xf)); - if (on < 16 && on > 0) { - (*console_putc)(sl, SCREEN_LINE_KEYBOARD, LK_CMD_LEDS_ON); - (*console_putc)(sl, SCREEN_LINE_KEYBOARD, LK_PARAM_LED_MASK(on)); - } - splx(s); -} - - -lk201_led( - int unit) -{ - lk201_led_state_t *leds = &lk201_softc[unit]->led; - unsigned int sl; - spl_t s; - - sl = lk201_softc[unit]->sl_unit; - if (leds->led_interval) { /* leds are on */ - if (leds->led_light_count <= 0) { /* hit this lights */ - - if (leds->led_lights <= 0) leds->led_lights= 1; /* sanity */ - if (leds->led_lights > 16) leds->led_lights = 16;/* sanity */ - leds->led_light_count = leds->led_interval; /* reset */ - s = spltty(); - (*console_putc)(sl, SCREEN_LINE_KEYBOARD, LK_CMD_LEDS_OFF); - (*console_putc)(sl, SCREEN_LINE_KEYBOARD, LK_PARAM_LED_MASK(leds->led_lights)); - switch (leds->led_pattern) { - case LED_OFF: - leds->led_interval = 0; /* since you can now set */ - break; /* the interval even if off */ - case LED_COUNT: - leds->led_lights++; - if (leds->led_lights > 16) leds->led_lights = 1; - break; - case LED_ROTATE: - leds->led_lights <<= 1; - if (leds->led_lights > 8) leds->led_lights = 1; - break; - case LED_CYLON: - if (leds->led_increasing) { - leds->led_lights <<= 1; - if (leds->led_lights > 8) { - leds->led_lights >>= 2; - leds->led_increasing = 0; - } - } else { - leds->led_lights >>= 1; - if (leds->led_lights <= 0) { - leds->led_lights = 2; - leds->led_increasing = 1; - } - } - break; - } - (*console_putc)( sl, SCREEN_LINE_KEYBOARD, LK_CMD_LEDS_ON); - (*console_putc)( sl, SCREEN_LINE_KEYBOARD, LK_PARAM_LED_MASK(leds->led_lights)); - splx(s); - } - leds->led_light_count--; - } else { - if (leds->led_lights) { - s = spltty(); - (*console_putc)(sl, SCREEN_LINE_KEYBOARD, LK_CMD_LEDS_OFF); - (*console_putc)(sl, SCREEN_LINE_KEYBOARD, LK_PARAM_LED_MASK(0xf)); - leds->led_lights = 0; - splx(s); - } - leds->led_active = 0; -#if NBM > 0 - screen_enable_vretrace(unit, 0); /* interrupts off */ -#endif - } -} - - -/* - * Special user-visible ops - */ -io_return_t -lk201_set_status( - int unit, - dev_flavor_t flavor, - dev_status_t status, - natural_t status_count) -{ - lk201_led_state_t *leds = &lk201_softc[unit]->led; - lk201_kbd_state_t *kbd = &lk201_softc[unit]->kbd; - - switch( flavor ) { - case LK201_SEND_CMD:{ - register lk201_cmd_t *cmd = (lk201_cmd_t*)status; - unsigned int cnt, s, sl; - - if ((status_count < (sizeof(*cmd)/sizeof(int))) || - ((cnt = cmd->len) > 2)) - return D_INVALID_SIZE; - - if (cnt == 0) - cmd->command |= LK_PARAM; - else - cmd->params[cnt-1] |= LK_PARAM; - sl = lk201_softc[unit]->sl_unit; - s = spltty(); - (*console_putc)(sl, SCREEN_LINE_KEYBOARD, cmd->command); - if (cnt > 0) - (*console_putc)(sl, SCREEN_LINE_KEYBOARD, cmd->params[0]); - if (cnt > 1) - (*console_putc)(sl, SCREEN_LINE_KEYBOARD, cmd->params[1]); - splx(s); - return D_SUCCESS; - } - case LK201_LED_PATTERN:{ - register int ptn = * (int *) status; - if (ptn != LED_OFF && ptn != LED_COUNT && - ptn != LED_ROTATE && ptn != LED_CYLON ) { - return -1; - } else { - leds->led_pattern = ptn; - } - break; - } - case LK201_LED_INTERVAL:{ - register int lcnt = * (int *) status; - if (lcnt < 0) - lcnt = 1; - leds->led_interval = lcnt; - break; - } - case LK201_mapLOCKtoCNTRL:{ - boolean_t enable = * (boolean_t*) status; - if (enable) - kbd->kbd_flags |= mapLOCKtoCNTRL; - else - kbd->kbd_flags &= ~mapLOCKtoCNTRL; - return D_SUCCESS; - } - case LK201_REMAP_KEY:{ - register KeyMap *k = (KeyMap *) status; - int mode; - - if (status_count < (sizeof(KeyMap)/sizeof(int))) - return D_INVALID_SIZE; - - mode = k->shifted ? 1 : 0; - if (k->meta) mode += 2; - return lk201_translation( k->in_keyval, - k->out_keyval, - mode ); - } - default: - return D_INVALID_OPERATION; - } - leds->led_lights = 1; - leds->led_active = 1; -#if NBM > 0 - screen_enable_vretrace(unit, 1); /* interrupts on */ -#endif - return D_SUCCESS; -} - -/* - * Keycode translation tables - * - * NOTE: these tables have been compressed a little bit - * because the lk201 cannot generate very small codes. - */ - -unsigned char lk201_xlate_key[] = { - /* 86 */ 0 ,0 - /* 88 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 96 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 104 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 112 */ ,0 ,0x1b ,0x08 ,'\n' ,0 ,0 ,0 ,0 - /* 120 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 128 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 136 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 144 */ ,0 ,0 ,'0',0 ,'.','\r','1','2' - /* 152 */ ,'3','4','5','6',',','7','8','9' - /* 160 */ ,'-',0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 168 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 176 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 184 */ ,0 ,0 ,0 ,0 ,0x7f,'\r','\t','`' - /* 192 */ ,'1' ,'q' ,'a' ,'z' ,0 ,'2' ,'w' ,'s' - /* 200 */ ,'x' ,'<' ,0 ,'3' ,'e' ,'d' ,'c' ,0 - /* 208 */ ,'4' ,'r' ,'f' ,'v' ,' ' ,0 ,'5' ,'t' - /* 216 */ ,'g' ,'b' ,0 ,'6' ,'y' ,'h' ,'n' ,0 - /* 224 */ ,'7' ,'u' ,'j' ,'m' ,0 ,'8' ,'i' ,'k' - /* 232 */ ,',' ,0 ,'9' ,'o' ,'l' ,'.' ,0 ,'0' - /* 240 */ ,'p' ,0 ,';' ,'/' ,0 ,'=' ,']' ,'\\' - /* 248 */ ,0 ,'-' ,'[' ,'\'' ,0 ,0 ,0 ,0 -}; - -unsigned char lk201_xlate_shifted[] = { - /* 86 */ 0 ,0 - /* 88 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 96 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 104 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 112 */ ,0 ,0x1b ,0x08 ,'\n' ,0 ,0 ,0 ,0 - /* 120 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 128 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 136 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 144 */ ,0 ,0 ,'0',0 ,'.','\r','1','2' - /* 152 */ ,'3','4','5','6',',','7','8','9' - /* 160 */ ,'-',0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 168 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 176 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 184 */ ,0 ,0 ,0 ,0 ,0x7f ,'\r' ,'\t' ,'~' - /* 192 */ ,'!' ,'Q' ,'A' ,'Z' ,0 ,'@' ,'W' ,'S' - /* 200 */ ,'X' ,'>' ,0 ,'#' ,'E' ,'D' ,'C' ,0 - /* 208 */ ,'$' ,'R' ,'F' ,'V' ,' ' ,0 ,'%' ,'T' - /* 216 */ ,'G' ,'B' ,0 ,'^' ,'Y' ,'H' ,'N' ,0 - /* 224 */ ,'&' ,'U' ,'J' ,'M' ,0 ,'*' ,'I' ,'K' - /* 232 */ ,'<' ,0 ,'(' ,'O' ,'L' ,'>' ,0 ,')' - /* 240 */ ,'P' ,0 ,':' ,'?' ,0 ,'+' ,'}' ,'|' - /* 248 */ ,0 ,'_' ,'{' ,'"' ,0 ,0 ,0 ,0 -}; - -unsigned char lk201_xlate_meta[] = { - /* 86 */ 0 ,0 - /* 88 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 96 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 104 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 112 */ ,0 ,0x1b ,0x08 ,'\n' ,0 ,0 ,0 ,0 - /* 120 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 128 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 136 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 144 */ ,0 ,0 ,'0',0 ,'.','\r','1','2' - /* 152 */ ,'3','4','5','6',',','7','8','9' - /* 160 */ ,'-',0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 168 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 176 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 184 */ ,0 ,0 ,0 ,0 ,0x7f ,'\r' ,'\t' ,'~' - /* 192 */ ,'!' ,'Q' ,'A' ,'Z' ,0 ,'@' ,'W' ,'S' - /* 200 */ ,'X' ,'>' ,0 ,'#' ,'E' ,'D' ,'C' ,0 - /* 208 */ ,'$' ,'R' ,'F' ,'V' ,' ' ,0 ,'%' ,'T' - /* 216 */ ,'G' ,'B' ,0 ,'^' ,'Y' ,'H' ,'N' ,0 - /* 224 */ ,'&' ,'U' ,'J' ,'M' ,0 ,'*' ,'I' ,'K' - /* 232 */ ,'<' ,0 ,'(' ,'O' ,'L' ,'>' ,0 ,')' - /* 240 */ ,'P' ,0 ,':' ,'?' ,0 ,'+' ,'}' ,'|' - /* 248 */ ,0 ,'_' ,'{' ,'"' ,0 ,0 ,0 ,0 -}; - -unsigned char lk201_xlate_shifted_meta[] = { - /* 86 */ 0 ,0 - /* 88 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 96 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 104 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 112 */ ,0 ,0x1b ,0x08 ,'\n' ,0 ,0 ,0 ,0 - /* 120 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 128 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 136 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 144 */ ,0 ,0 ,'0',0 ,'.','\r','1','2' - /* 152 */ ,'3','4','5','6',',','7','8','9' - /* 160 */ ,'-',0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 168 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 176 */ ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 - /* 184 */ ,0 ,0 ,0 ,0 ,0x7f ,'\r' ,'\t' ,'~' - /* 192 */ ,'!' ,'Q' ,'A' ,'Z' ,0 ,'@' ,'W' ,'S' - /* 200 */ ,'X' ,'>' ,0 ,'#' ,'E' ,'D' ,'C' ,0 - /* 208 */ ,'$' ,'R' ,'F' ,'V' ,' ' ,0 ,'%' ,'T' - /* 216 */ ,'G' ,'B' ,0 ,'^' ,'Y' ,'H' ,'N' ,0 - /* 224 */ ,'&' ,'U' ,'J' ,'M' ,0 ,'*' ,'I' ,'K' - /* 232 */ ,'<' ,0 ,'(' ,'O' ,'L' ,'>' ,0 ,')' - /* 240 */ ,'P' ,0 ,':' ,'?' ,0 ,'+' ,'}' ,'|' - /* 248 */ ,0 ,'_' ,'{' ,'"' ,0 ,0 ,0 ,0 -}; - - -io_return_t -lk201_translation( - int key, - char c, - int tabcode ) -{ - unsigned char *table; - - if ((key &= 0xff) < LK_MINCODE) - return D_INVALID_OPERATION; - - switch (tabcode) { - case 3: - table = lk201_xlate_shifted_meta; - break; - case 2: - table = lk201_xlate_meta; - break; - case 1: - table = lk201_xlate_shifted; - break; - case 0: - default: - table = lk201_xlate_key; - break; - } - table[key - LK_MINCODE] = c; - return D_SUCCESS; -} - -/* - * Input character processing - */ - -lk201_rint( - int unit, - unsigned short data, - boolean_t handle_shift, - boolean_t from_kernel) -{ - int c; - lk201_kbd_state_t *kbd = &lk201_softc[unit]->kbd; - - /* - * Keyboard touched, clean char to 8 bits. - */ -#if NBM > 0 - ssaver_bump(unit); -#endif - - data &= 0xff; - - /* Translate keycode into ASCII */ - if ((c = lk201_input(unit, data)) == -1) - return -1; - -#if NBM > 0 - /* - * Notify X, unless we are called from inside kernel - */ - if (!from_kernel && - screen_keypress_event(unit, DEV_KEYBD, data, EVT_BUTTON_RAW)) - return -1; -#endif - - /* Handle shifting if need to */ - if (kbd->kbd_gen_shift) - return (handle_shift) ? cngetc() : -1; - - return c; -} - -/* - * Routine to grock a character from LK201 - */ -#if MACH_KDB -int lk201_allow_kdb = 1; -#endif - -int lk201_debug = 0; - -lk201_input( - int unit, - unsigned short data) -{ - int c, sl; - lk201_kbd_state_t *kbd = &lk201_softc[unit]->kbd; - - kbd->kbd_gen_shift = 0; - -#if MACH_KDB - if (lk201_allow_kdb && (data == LK_DO)) { - kdb_kintr(); - return -2; - } -#endif - - /* - * Sanity checks - */ - - if (data == LK_INPUT_ERR || data == LK_OUTPUT_ERR) { - printf(" Keyboard error, code = %x\n",data); - return -1; - } - if (data < LK_MINCODE) - return -1; - - /* - * Check special keys: shifts, ups, .. - */ - - if (data == LK_LOCK && (kbd->kbd_flags&mapLOCKtoCNTRL)) - data = LK_CNTRL; - - switch (data) { - case LK_LOCK: - kbd->kbd_lock ^= 1; - kbd->kbd_gen_shift = 1; - sl = lk201_softc[unit]->sl_unit; - /* called from interrupt, no need for spl */ - if (kbd->kbd_lock) - (*console_putc)(sl, SCREEN_LINE_KEYBOARD, LK_CMD_LEDS_ON); - else - (*console_putc)(sl,SCREEN_LINE_KEYBOARD, LK_CMD_LEDS_OFF); - (*console_putc)(sl, SCREEN_LINE_KEYBOARD, LK_PARAM_LED_MASK(0x4)); - return 0; - - case LK_ALT: - case LK_L_ALT: - case LK_R_ALT: - case LK_R_COMPOSE: - kbd->kbd_meta ^= 1; - kbd->kbd_gen_shift = 1; - return 0; - - case LK_SHIFT: - case LK_R_SHIFT: - kbd->kbd_shift ^= 1; - kbd->kbd_gen_shift = 1; - return 0; - - case LK_CNTRL: - kbd->kbd_ctrl ^= 1; - kbd->kbd_gen_shift = 1; - return 0; - - case LK_ALLUP: - kbd->kbd_ctrl = 0; - kbd->kbd_shift = 0; - kbd->kbd_meta = 0; - kbd->kbd_gen_shift = 1; - return 0; - - case LK_REPEAT: - c = kbd->kbd_previous; - break; - - default: - - /* - * Do the key translation to ASCII - */ - if (kbd->kbd_ctrl || kbd->kbd_lock || kbd->kbd_shift) { - c = ((kbd->kbd_meta) ? - lk201_xlate_shifted_meta : lk201_xlate_shifted) - [data - LK_MINCODE]; - if (kbd->kbd_ctrl) - c &= 0x1f; - } else - c = ((kbd->kbd_meta) ? - lk201_xlate_meta : lk201_xlate_key) - [data-LK_MINCODE]; - break; - - } - - kbd->kbd_previous = c; - - /* - * DEBUG code DEBUG - */ - if (lk201_debug && (c == 0)) { - printf("lk201: [%x]\n", data); - } - - return c; -} - -#endif /* NLK > 0 */ |