Annotation of sys/arch/hppa/stand/libsa/itecons.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: itecons.c,v 1.9 2005/04/07 00:21:51 mickey Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 1998-2004 Michael Shalayeff
! 5: * All rights reserved.
! 6: *
! 7: * Redistribution and use in source and binary forms, with or without
! 8: * modification, are permitted provided that the following conditions
! 9: * are met:
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: * 2. Redistributions in binary form must reproduce the above copyright
! 13: * notice, this list of conditions and the following disclaimer in the
! 14: * documentation and/or other materials provided with the distribution.
! 15: *
! 16: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 17: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 18: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 19: * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
! 20: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
! 21: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
! 22: * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 23: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
! 24: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
! 25: * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
! 26: * THE POSSIBILITY OF SUCH DAMAGE.
! 27: */
! 28: /*
! 29: * Copyright 1996 1995 by Open Software Foundation, Inc.
! 30: * All Rights Reserved
! 31: *
! 32: * Permission to use, copy, modify, and distribute this software and
! 33: * its documentation for any purpose and without fee is hereby granted,
! 34: * provided that the above copyright notice appears in all copies and
! 35: * that both the copyright notice and this permission notice appear in
! 36: * supporting documentation.
! 37: *
! 38: * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
! 39: * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
! 40: * FOR A PARTICULAR PURPOSE.
! 41: *
! 42: * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
! 43: * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
! 44: * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
! 45: * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
! 46: * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 47: *
! 48: */
! 49:
! 50: #include "libsa.h"
! 51:
! 52: #include <sys/param.h>
! 53: #include <sys/disklabel.h>
! 54: #include <machine/pdc.h>
! 55: #include <machine/iomod.h>
! 56: #include <dev/cons.h>
! 57:
! 58: #include "dev_hppa.h"
! 59:
! 60: iodcio_t cniodc; /* console IODC entry point */
! 61: iodcio_t kyiodc; /* keyboard IODC entry point */
! 62: pz_device_t *cons_pzdev, *kbd_pzdev;
! 63:
! 64: /*
! 65: * Console.
! 66: */
! 67:
! 68: char cnbuf[IODC_MINIOSIZ] __attribute__ ((aligned (IODC_MINIOSIZ)));
! 69: int kycode[IODC_MAXSIZE/sizeof(int)];
! 70:
! 71: int
! 72: cnspeed(dev, sp)
! 73: dev_t dev;
! 74: int sp;
! 75: {
! 76: return 9600;
! 77: }
! 78:
! 79: void
! 80: ite_probe(cn)
! 81: struct consdev *cn;
! 82: {
! 83: cniodc = (iodcio_t)PAGE0->mem_free;
! 84: cons_pzdev = &PAGE0->mem_cons;
! 85: kbd_pzdev = &PAGE0->mem_kbd;
! 86:
! 87: if ((*pdc) (PDC_IODC, PDC_IODC_READ, pdcbuf, cons_pzdev->pz_hpa,
! 88: IODC_INIT, cniodc, IODC_MAXSIZE) < 0 ||
! 89: (*cniodc)(cons_pzdev->pz_hpa,
! 90: (cons_pzdev->pz_hpa==PAGE0->mem_boot.pz_hpa)?
! 91: IODC_INIT_DEV: IODC_INIT_ALL, cons_pzdev->pz_spa,
! 92: cons_pzdev->pz_layers, pdcbuf, 0,0,0,0) < 0 ||
! 93: (*pdc) (PDC_IODC, PDC_IODC_READ, pdcbuf, cons_pzdev->pz_hpa,
! 94: IODC_IO, cniodc, IODC_MAXSIZE) < 0) {
! 95: /* morse code with the LED's?!! */
! 96: cons_pzdev->pz_iodc_io = kbd_pzdev->pz_iodc_io = NULL;
! 97: } else {
! 98: cn->cn_pri = CN_INTERNAL;
! 99: cn->cn_dev = makedev(0, 0);
! 100: }
! 101: }
! 102:
! 103: void
! 104: ite_init(cn)
! 105: struct consdev *cn;
! 106: {
! 107: /*
! 108: * If the keyboard is separate from the console output device,
! 109: * we load the keyboard code at `kycode'.
! 110: *
! 111: * N.B. In this case, since the keyboard code is part of the
! 112: * boot code, it will be overwritten when we load a kernel.
! 113: */
! 114: if (cons_pzdev->pz_class != PCL_DUPLEX ||
! 115: kbd_pzdev->pz_class == PCL_KEYBD) {
! 116:
! 117: kyiodc = (iodcio_t)kycode;
! 118:
! 119: if ((*pdc) (PDC_IODC, PDC_IODC_READ, pdcbuf, kbd_pzdev->pz_hpa,
! 120: IODC_INIT, kyiodc, IODC_MAXSIZE) < 0 ||
! 121: (*kyiodc)(kbd_pzdev->pz_hpa,
! 122: (kbd_pzdev->pz_hpa == PAGE0->mem_boot.pz_hpa ||
! 123: kbd_pzdev->pz_hpa == cons_pzdev->pz_hpa)?
! 124: IODC_INIT_DEV: IODC_INIT_ALL, kbd_pzdev->pz_spa,
! 125: kbd_pzdev->pz_layers, pdcbuf, 0, 0, 0, 0) < 0 ||
! 126: (*pdc) (PDC_IODC, PDC_IODC_READ, pdcbuf, kbd_pzdev->pz_hpa,
! 127: IODC_IO, kyiodc, IODC_MAXSIZE))
! 128: kyiodc = NULL;
! 129: } else {
! 130: kyiodc = cniodc;
! 131:
! 132: bcopy((char *)&PAGE0->mem_cons, (char *)&PAGE0->mem_kbd,
! 133: sizeof(struct pz_device));
! 134: }
! 135:
! 136: cons_pzdev->pz_iodc_io = (u_int)cniodc;
! 137: kbd_pzdev->pz_iodc_io = (u_int)kyiodc;
! 138: #ifdef DEBUG
! 139: if (!kyiodc)
! 140: printf("ite_init: no kbd\n");
! 141: #endif
! 142: }
! 143:
! 144: void
! 145: ite_putc(dev, c)
! 146: dev_t dev;
! 147: int c;
! 148: {
! 149: if (cniodc == NULL)
! 150: return;
! 151:
! 152: *cnbuf = c;
! 153:
! 154: (*cniodc)(cons_pzdev->pz_hpa, IODC_IO_CONSOUT, cons_pzdev->pz_spa,
! 155: cons_pzdev->pz_layers, pdcbuf, 0, cnbuf, 1, 0);
! 156: }
! 157:
! 158: /*
! 159: * since i don't know how to 'just check the char available'
! 160: * i store the key into the stash removing on read op later;
! 161: */
! 162: int
! 163: ite_getc(dev)
! 164: dev_t dev;
! 165: {
! 166: static int stash = 0;
! 167: int err, c, l, i;
! 168:
! 169: if (kyiodc == NULL)
! 170: return(0x100);
! 171:
! 172: if (stash) {
! 173: c = stash;
! 174: if (!(dev & 0x80))
! 175: stash = 0;
! 176: return c;
! 177: }
! 178:
! 179: i = 16;
! 180: do {
! 181: err = (*kyiodc)(kbd_pzdev->pz_hpa, IODC_IO_CONSIN,
! 182: kbd_pzdev->pz_spa, kbd_pzdev->pz_layers,
! 183: pdcbuf, 0, cnbuf, 1, 0);
! 184: l = pdcbuf[0];
! 185: c = cnbuf[0];
! 186: #ifdef DEBUG
! 187: if (debug && err < 0)
! 188: printf("KBD input error: %d", err);
! 189: #endif
! 190:
! 191: /* if we are doing ischar() report immidiatelly */
! 192: if (!i-- && (dev & 0x80) && l == 0) {
! 193: #ifdef DEBUG
! 194: if (debug > 2)
! 195: printf("ite_getc(0x%x): no char %d(%x)\n",
! 196: dev, l, c);
! 197: #endif
! 198: return (0);
! 199: }
! 200: } while(!l);
! 201:
! 202: #if DEBUG
! 203: if (debug && l > 1)
! 204: printf("KBD input got too much (%d)\n", l);
! 205:
! 206: if (debug > 3)
! 207: printf("kbd: \'%c\' (0x%x)\n", c, c);
! 208: #endif
! 209: if (dev & 0x80)
! 210: stash = c;
! 211:
! 212: return (c);
! 213: }
! 214:
! 215: void
! 216: ite_pollc(dev, on)
! 217: dev_t dev;
! 218: int on;
! 219: {
! 220:
! 221: }
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