Annotation of sys/arch/vax/dec/lk201_ws.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: lk201_ws.c,v 1.10 2006/08/27 16:50:43 miod Exp $ */
! 2: /* $NetBSD: lk201_ws.c,v 1.2 1998/10/22 17:55:20 drochner Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1998
! 6: * Matthias Drochner. All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: * 3. All advertising materials mentioning features or use of this software
! 17: * must display the following acknowledgement:
! 18: * This product includes software developed for the NetBSD Project
! 19: * by Matthias Drochner.
! 20: * 4. The name of the author may not be used to endorse or promote products
! 21: * derived from this software without specific prior written permission.
! 22: *
! 23: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 24: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 25: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 26: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 27: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 28: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 29: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 30: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 31: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 32: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 33: *
! 34: */
! 35:
! 36: #include <sys/param.h>
! 37: #include <sys/systm.h>
! 38: #include <sys/kernel.h>
! 39: #include <sys/proc.h>
! 40: #include <sys/tty.h>
! 41: #include <sys/timeout.h>
! 42:
! 43: #include <dev/wscons/wsconsio.h>
! 44:
! 45: #include <vax/dec/lk201reg.h>
! 46: #include <vax/dec/lk201var.h>
! 47: #include <vax/dec/wskbdmap_lk201.h> /* for {MIN,MAX}_LK201_KEY */
! 48:
! 49: struct cfdriver lkkbd_cd = {
! 50: NULL, "lkkbd", DV_DULL
! 51: };
! 52:
! 53: void lk201_identify(void *);
! 54:
! 55: static const char *lkkbd_descr[] = {
! 56: "no keyboard",
! 57: "LK-201 keyboard",
! 58: "LK-401 keyboard"
! 59: };
! 60:
! 61: #define send(lks, c) ((*((lks)->attmt.sendchar))((lks)->attmt.cookie, c))
! 62:
! 63: void
! 64: lk201_init(struct lk201_state *lks)
! 65: {
! 66: int i;
! 67:
! 68: lks->waitack = 0;
! 69:
! 70: send(lks, LK_LED_ENABLE);
! 71: send(lks, LK_LED_ALL);
! 72:
! 73: /*
! 74: * set all keys to updown mode; autorepeat is
! 75: * done by wskbd software
! 76: */
! 77: for (i = 1; i <= 14; i++)
! 78: send(lks, LK_CMD_MODE(LK_UPDOWN, i));
! 79:
! 80: send(lks, LK_CL_DISABLE);
! 81: lks->kcvol = 0;
! 82:
! 83: lks->bellvol = -1; /* not yet set */
! 84:
! 85: for (i = 0; i < LK_KLL; i++)
! 86: lks->down_keys_list[i] = -1;
! 87: send(lks, LK_KBD_ENABLE);
! 88:
! 89: send(lks, LK_LED_DISABLE);
! 90: send(lks, LK_LED_ALL);
! 91: lks->leds_state = 0;
! 92:
! 93: /*
! 94: * Note that, when attaching lkkbd initially, this timeout will
! 95: * be scheduled but will not run until interrupts are enabled.
! 96: * This is not a problem, since lk201_identify() relies upon
! 97: * interrupts being enabled.
! 98: */
! 99: timeout_set(&lks->probetmo, lk201_identify, lks);
! 100: timeout_add(&lks->probetmo, 0);
! 101: }
! 102:
! 103: void
! 104: lk201_identify(void *v)
! 105: {
! 106: struct lk201_state *lks = v;
! 107: int i;
! 108:
! 109: /*
! 110: * Swallow all the keyboard acknowledges from lk201_init().
! 111: * There should be 14 of them - one per LK_CMD_MODE command.
! 112: */
! 113: for(;;) {
! 114: lks->waitack = 1;
! 115: for (i = 100; i != 0; i--) {
! 116: DELAY(1000);
! 117: if (lks->waitack == 0)
! 118: break;
! 119: }
! 120: if (i == 0)
! 121: break;
! 122: }
! 123:
! 124: /*
! 125: * Try to set the keyboard in LK-401 mode.
! 126: * If we receive an error, this is an LK-201 keyboard.
! 127: */
! 128: lks->waitack = 1;
! 129: send(lks, LK_ENABLE_401);
! 130: for (i = 100; i != 0; i--) {
! 131: DELAY(1000);
! 132: if (lks->waitack == 0)
! 133: break;
! 134: }
! 135: if (lks->waitack != 0)
! 136: lks->kbdtype = KBD_NONE;
! 137: else {
! 138: if (lks->ackdata == LK_INPUT_ERROR)
! 139: lks->kbdtype = KBD_LK201;
! 140: else
! 141: lks->kbdtype = KBD_LK401;
! 142: }
! 143: lks->waitack = 0;
! 144:
! 145: printf("%s: %s\n", lks->device->dv_xname, lkkbd_descr[lks->kbdtype]);
! 146: }
! 147:
! 148: int
! 149: lk201_decode(struct lk201_state *lks, int active, int wantmulti, int datain,
! 150: u_int *type, int *dataout)
! 151: {
! 152: int i, freeslot;
! 153:
! 154: if (lks->waitack != 0) {
! 155: lks->ackdata = datain;
! 156: lks->waitack = 0;
! 157: return (LKD_NODATA);
! 158: }
! 159:
! 160: switch (datain) {
! 161: case LK_POWER_UP:
! 162: #ifdef DEBUG
! 163: printf("lk201_decode: powerup detected\n");
! 164: #endif
! 165: lk201_init(lks);
! 166: return (LKD_NODATA);
! 167: case LK_KDOWN_ERROR:
! 168: case LK_POWER_ERROR:
! 169: case LK_OUTPUT_ERROR:
! 170: case LK_INPUT_ERROR:
! 171: printf("lk201_decode: error %x\n", datain);
! 172: /* FALLTHROUGH */
! 173: case LK_KEY_REPEAT: /* autorepeat handled by wskbd */
! 174: case LK_MODE_CHANGE: /* ignore silently */
! 175: return (LKD_NODATA);
! 176: }
! 177:
! 178: if (active == 0)
! 179: return (LKD_NODATA); /* no need to decode */
! 180:
! 181: if (datain == LK_KEY_UP) {
! 182: if (wantmulti) {
! 183: for (i = 0; i < LK_KLL; i++)
! 184: if (lks->down_keys_list[i] != -1) {
! 185: *type = WSCONS_EVENT_KEY_UP;
! 186: *dataout = lks->down_keys_list[i] -
! 187: MIN_LK201_KEY;
! 188: lks->down_keys_list[i] = -1;
! 189: return (LKD_MORE);
! 190: }
! 191: return (LKD_NODATA);
! 192: } else {
! 193: for (i = 0; i < LK_KLL; i++)
! 194: lks->down_keys_list[i] = -1;
! 195: *type = WSCONS_EVENT_ALL_KEYS_UP;
! 196: return (LKD_COMPLETE);
! 197: }
! 198: } else if (datain < MIN_LK201_KEY || datain > MAX_LK201_KEY) {
! 199: #ifdef DEBUG
! 200: /* this can happen while hotplugging the keyboard */
! 201: printf("lk201_decode: %x\n", datain);
! 202: #endif
! 203: return (LKD_NODATA);
! 204: }
! 205:
! 206: /*
! 207: * The LK-201 keyboard has a compose key (to the left of the spacebar),
! 208: * but no alt/meta key at all. The LK-401 keyboard fixes this and has
! 209: * two compose keys and two alt keys.
! 210: *
! 211: * If the keyboard is an LK-201, translate the left compose key
! 212: * scancode to a specific key code, which will map as a left alt key,
! 213: * and compose key when shifted), so that the user can have both
! 214: * an alt and a compose key available.
! 215: */
! 216: if (lks->kbdtype == KBD_LK201 && datain == 177)
! 217: datain = 252;
! 218:
! 219: *dataout = datain - MIN_LK201_KEY;
! 220:
! 221: freeslot = -1;
! 222: for (i = 0; i < LK_KLL; i++) {
! 223: if (lks->down_keys_list[i] == datain) {
! 224: *type = WSCONS_EVENT_KEY_UP;
! 225: lks->down_keys_list[i] = -1;
! 226: return (LKD_COMPLETE);
! 227: }
! 228: if (lks->down_keys_list[i] == -1 && freeslot == -1)
! 229: freeslot = i;
! 230: }
! 231:
! 232: if (freeslot == -1) {
! 233: printf("lk201_decode: down(%d) no free slot\n", datain);
! 234: return (LKD_NODATA);
! 235: }
! 236:
! 237: *type = WSCONS_EVENT_KEY_DOWN;
! 238: lks->down_keys_list[freeslot] = datain;
! 239: return (LKD_COMPLETE);
! 240: }
! 241:
! 242: void
! 243: lk201_bell(struct lk201_state *lks, struct wskbd_bell_data *bell)
! 244: {
! 245: unsigned int vol;
! 246:
! 247: if (bell->which & WSKBD_BELL_DOVOLUME) {
! 248: vol = 8 - bell->volume * 8 / 100;
! 249: if (vol > 7)
! 250: vol = 7;
! 251: } else
! 252: vol = 3;
! 253:
! 254: if (vol != lks->bellvol) {
! 255: send(lks, LK_BELL_ENABLE);
! 256: send(lks, LK_PARAM_VOLUME(vol));
! 257: lks->bellvol = vol;
! 258: }
! 259: send(lks, LK_RING_BELL);
! 260: }
! 261:
! 262: int
! 263: lk201_get_leds(struct lk201_state *lks)
! 264: {
! 265: return (lks->leds_state);
! 266: }
! 267:
! 268: int
! 269: lk201_get_type(struct lk201_state *lks)
! 270: {
! 271: /*
! 272: * Note that we report LK201 even if no keyboard is
! 273: * plugged to avoid confusing wsconsctl.
! 274: */
! 275: if (lks->kbdtype == KBD_LK401)
! 276: return (WSKBD_TYPE_LK401);
! 277: else
! 278: return (WSKBD_TYPE_LK201);
! 279: }
! 280:
! 281: void
! 282: lk201_set_keyclick(struct lk201_state *lks, int vol)
! 283: {
! 284: unsigned int newvol;
! 285:
! 286: if (vol == 0)
! 287: send(lks, LK_CL_DISABLE);
! 288: else {
! 289: newvol = 8 - vol * 8 / 100;
! 290: if (newvol > 7)
! 291: newvol = 7;
! 292:
! 293: send(lks, LK_CL_ENABLE);
! 294: send(lks, LK_PARAM_VOLUME(newvol));
! 295: }
! 296:
! 297: lks->kcvol = vol;
! 298: }
! 299:
! 300: void
! 301: lk201_set_leds(struct lk201_state *lks, int leds)
! 302: {
! 303: int newleds;
! 304:
! 305: newleds = 0;
! 306: if (leds & WSKBD_LED_SCROLL)
! 307: newleds |= LK_LED_WAIT;
! 308: if (leds & WSKBD_LED_CAPS)
! 309: newleds |= LK_LED_LOCK;
! 310:
! 311: send(lks, LK_LED_DISABLE);
! 312: send(lks, (0x80 | (~newleds & 0x0f)));
! 313:
! 314: send(lks, LK_LED_ENABLE);
! 315: send(lks, (0x80 | (newleds & 0x0f)));
! 316:
! 317: lks->leds_state = leds;
! 318: }
CVSweb
![[BACK]](/icons/back.gif){kind=icon}
Return to lk201_ws.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / sys / arch / vax / dec