Annotation of sys/arch/hppa64/stand/libsa/itecons.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: itecons.c,v 1.1 2005/04/01 10:40:48 mickey Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 2005 Michael Shalayeff
! 5: * All rights reserved.
! 6: *
! 7: * Permission to use, copy, modify, and distribute this software for any
! 8: * purpose with or without fee is hereby granted, provided that the above
! 9: * copyright notice and this permission notice appear in all copies.
! 10: *
! 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 15: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN
! 16: * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
! 17: * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 18: */
! 19: /*
! 20: * Copyright 1996 1995 by Open Software Foundation, Inc.
! 21: * All Rights Reserved
! 22: *
! 23: * Permission to use, copy, modify, and distribute this software and
! 24: * its documentation for any purpose and without fee is hereby granted,
! 25: * provided that the above copyright notice appears in all copies and
! 26: * that both the copyright notice and this permission notice appear in
! 27: * supporting documentation.
! 28: *
! 29: * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
! 30: * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
! 31: * FOR A PARTICULAR PURPOSE.
! 32: *
! 33: * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
! 34: * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
! 35: * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
! 36: * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
! 37: * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 38: *
! 39: */
! 40:
! 41: #include "libsa.h"
! 42:
! 43: #include <sys/param.h>
! 44: #include <sys/disklabel.h>
! 45: #include <machine/pdc.h>
! 46: #include <machine/iomod.h>
! 47: #include <dev/cons.h>
! 48:
! 49: #include "dev_hppa64.h"
! 50:
! 51: iodcio_t cniodc; /* console IODC entry point */
! 52: iodcio_t kyiodc; /* keyboard IODC entry point */
! 53: pz_device_t *cons_pzdev, *kbd_pzdev;
! 54:
! 55: /*
! 56: * Console.
! 57: */
! 58:
! 59: char cnbuf[IODC_MINIOSIZ] __attribute__ ((aligned (IODC_MINIOSIZ)));
! 60: int kycode[IODC_MAXSIZE/sizeof(int)];
! 61:
! 62: int
! 63: cnspeed(dev, sp)
! 64: dev_t dev;
! 65: int sp;
! 66: {
! 67: return 9600;
! 68: }
! 69:
! 70: void
! 71: ite_probe(cn)
! 72: struct consdev *cn;
! 73: {
! 74: cniodc = (iodcio_t)(u_long)PAGE0->mem_free;
! 75: cons_pzdev = &PAGE0->mem_cons;
! 76: kbd_pzdev = &PAGE0->mem_kbd;
! 77:
! 78: if (pdc_call(pdc, PDC_IODC, PDC_IODC_READ, pdcbuf, cons_pzdev->pz_hpa,
! 79: IODC_INIT, cniodc, IODC_MAXSIZE) < 0 ||
! 80: pdc_call(cniodc, cons_pzdev->pz_hpa,
! 81: (cons_pzdev->pz_hpa==PAGE0->mem_boot.pz_hpa)?
! 82: IODC_INIT_DEV: IODC_INIT_ALL, cons_pzdev->pz_spa,
! 83: cons_pzdev->pz_layers, pdcbuf, 0,0,0,0) < 0 ||
! 84: pdc_call(pdc, PDC_IODC, PDC_IODC_READ, pdcbuf, cons_pzdev->pz_hpa,
! 85: IODC_IO, cniodc, IODC_MAXSIZE) < 0) {
! 86: /* morse code with the LED's?!! */
! 87: cons_pzdev->pz_iodc_io = kbd_pzdev->pz_iodc_io = NULL;
! 88: } else {
! 89: cn->cn_pri = CN_INTERNAL;
! 90: cn->cn_dev = makedev(0, 0);
! 91: }
! 92: }
! 93:
! 94: void
! 95: ite_init(cn)
! 96: struct consdev *cn;
! 97: {
! 98: /*
! 99: * If the keyboard is separate from the console output device,
! 100: * we load the keyboard code at `kycode'.
! 101: *
! 102: * N.B. In this case, since the keyboard code is part of the
! 103: * boot code, it will be overwritten when we load a kernel.
! 104: */
! 105: if (cons_pzdev->pz_class != PCL_DUPLEX ||
! 106: kbd_pzdev->pz_class == PCL_KEYBD) {
! 107:
! 108: kyiodc = (iodcio_t)kycode;
! 109:
! 110: if (pdc_call(pdc, PDC_IODC, PDC_IODC_READ, pdcbuf, kbd_pzdev->pz_hpa,
! 111: IODC_INIT, kyiodc, IODC_MAXSIZE) < 0 ||
! 112: pdc_call(kyiodc, kbd_pzdev->pz_hpa,
! 113: (kbd_pzdev->pz_hpa == PAGE0->mem_boot.pz_hpa ||
! 114: kbd_pzdev->pz_hpa == cons_pzdev->pz_hpa)?
! 115: IODC_INIT_DEV: IODC_INIT_ALL, kbd_pzdev->pz_spa,
! 116: kbd_pzdev->pz_layers, pdcbuf, 0, 0, 0, 0) < 0 ||
! 117: pdc_call(pdc, PDC_IODC, PDC_IODC_READ, pdcbuf, kbd_pzdev->pz_hpa,
! 118: IODC_IO, kyiodc, IODC_MAXSIZE))
! 119: kyiodc = NULL;
! 120: } else {
! 121: kyiodc = cniodc;
! 122:
! 123: bcopy((char *)&PAGE0->mem_cons, (char *)&PAGE0->mem_kbd,
! 124: sizeof(struct pz_device));
! 125: }
! 126:
! 127: cons_pzdev->pz_iodc_io = (u_long)cniodc;
! 128: kbd_pzdev->pz_iodc_io = (u_long)kyiodc;
! 129: #ifdef DEBUG
! 130: if (!kyiodc)
! 131: printf("ite_init: no kbd\n");
! 132: #endif
! 133: }
! 134:
! 135: void
! 136: ite_putc(dev, c)
! 137: dev_t dev;
! 138: int c;
! 139: {
! 140: if (cniodc == NULL)
! 141: return;
! 142:
! 143: *cnbuf = c;
! 144:
! 145: pdc_call(cniodc, cons_pzdev->pz_hpa, IODC_IO_CONSOUT,
! 146: cons_pzdev->pz_spa, cons_pzdev->pz_layers, pdcbuf, 0, cnbuf, 1, 0);
! 147: }
! 148:
! 149: /*
! 150: * since i don't know how to 'just check the char available'
! 151: * i store the key into the stash removing on read op later;
! 152: */
! 153: int
! 154: ite_getc(dev)
! 155: dev_t dev;
! 156: {
! 157: static int stash = 0;
! 158: int err, c, l, i;
! 159:
! 160: if (kyiodc == NULL)
! 161: return(0x100);
! 162:
! 163: if (stash) {
! 164: c = stash;
! 165: if (!(dev & 0x80))
! 166: stash = 0;
! 167: return c;
! 168: }
! 169:
! 170: i = 16;
! 171: do {
! 172: err = pdc_call(kyiodc, kbd_pzdev->pz_hpa, IODC_IO_CONSIN,
! 173: kbd_pzdev->pz_spa, kbd_pzdev->pz_layers, pdcbuf,
! 174: 0, cnbuf, 1, 0);
! 175: l = pdcbuf[0];
! 176: c = cnbuf[0];
! 177: #ifdef DEBUG
! 178: if (debug && err < 0)
! 179: printf("KBD input error: %d", err);
! 180: #endif
! 181:
! 182: /* if we are doing ischar() report immidiatelly */
! 183: if (!i-- && (dev & 0x80) && l == 0) {
! 184: #ifdef DEBUG
! 185: if (debug > 2)
! 186: printf("ite_getc(0x%x): no char %d(%x)\n",
! 187: dev, l, c);
! 188: #endif
! 189: return (0);
! 190: }
! 191: } while(!l);
! 192:
! 193: #if DEBUG
! 194: if (debug && l > 1)
! 195: printf("KBD input got too much (%d)\n", l);
! 196:
! 197: if (debug > 3)
! 198: printf("kbd: \'%c\' (0x%x)\n", c, c);
! 199: #endif
! 200: if (dev & 0x80)
! 201: stash = c;
! 202:
! 203: return (c);
! 204: }
! 205:
! 206: void
! 207: ite_pollc(dev, on)
! 208: dev_t dev;
! 209: int on;
! 210: {
! 211:
! 212: }
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