1 /* $OpenBSD: itecons.c,v 1.12 2014/07/17 12:37:46 miod 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_t dev, int sp) 73 { 74 return CONSPEED; 75 } 76 77 void 78 ite_probe(cn) 79 struct consdev *cn; 80 { 81 cniodc = (iodcio_t)PAGE0->mem_free; 82 cons_pzdev = &PAGE0->mem_cons; 83 kbd_pzdev = &PAGE0->mem_kbd; 84 85 if ((*pdc) (PDC_IODC, PDC_IODC_READ, pdcbuf, cons_pzdev->pz_hpa, 86 IODC_INIT, cniodc, IODC_MAXSIZE) < 0 || 87 (*cniodc)(cons_pzdev->pz_hpa, 88 (cons_pzdev->pz_hpa==PAGE0->mem_boot.pz_hpa)? 89 IODC_INIT_DEV: IODC_INIT_ALL, cons_pzdev->pz_spa, 90 cons_pzdev->pz_layers, pdcbuf, 0,0,0,0) < 0 || 91 (*pdc) (PDC_IODC, PDC_IODC_READ, pdcbuf, cons_pzdev->pz_hpa, 92 IODC_IO, cniodc, IODC_MAXSIZE) < 0) { 93 /* morse code with the LED's?!! */ 94 cons_pzdev->pz_iodc_io = kbd_pzdev->pz_iodc_io = NULL; 95 } else { 96 cn->cn_pri = CN_MIDPRI; 97 cn->cn_dev = makedev(0, 0); 98 } 99 } 100 101 void 102 ite_init(cn) 103 struct consdev *cn; 104 { 105 /* 106 * If the keyboard is separate from the console output device, 107 * we load the keyboard code at `kycode'. 108 * 109 * N.B. In this case, since the keyboard code is part of the 110 * boot code, it will be overwritten when we load a kernel. 111 */ 112 if (cons_pzdev->pz_class != PCL_DUPLEX || 113 kbd_pzdev->pz_class == PCL_KEYBD) { 114 115 kyiodc = (iodcio_t)kycode; 116 117 if ((*pdc) (PDC_IODC, PDC_IODC_READ, pdcbuf, kbd_pzdev->pz_hpa, 118 IODC_INIT, kyiodc, IODC_MAXSIZE) < 0 || 119 (*kyiodc)(kbd_pzdev->pz_hpa, 120 (kbd_pzdev->pz_hpa == PAGE0->mem_boot.pz_hpa || 121 kbd_pzdev->pz_hpa == cons_pzdev->pz_hpa)? 122 IODC_INIT_DEV: IODC_INIT_ALL, kbd_pzdev->pz_spa, 123 kbd_pzdev->pz_layers, pdcbuf, 0, 0, 0, 0) < 0 || 124 (*pdc) (PDC_IODC, PDC_IODC_READ, pdcbuf, kbd_pzdev->pz_hpa, 125 IODC_IO, kyiodc, IODC_MAXSIZE)) 126 kyiodc = NULL; 127 } else { 128 kyiodc = cniodc; 129 130 bcopy((char *)&PAGE0->mem_cons, (char *)&PAGE0->mem_kbd, 131 sizeof(struct pz_device)); 132 } 133 134 cons_pzdev->pz_iodc_io = (u_int)cniodc; 135 kbd_pzdev->pz_iodc_io = (u_int)kyiodc; 136 #ifdef DEBUG 137 if (!kyiodc) 138 printf("ite_init: no kbd\n"); 139 #endif 140 } 141 142 void 143 ite_putc(dev, c) 144 dev_t dev; 145 int c; 146 { 147 if (cniodc == NULL) 148 return; 149 150 *cnbuf = c; 151 152 (*cniodc)(cons_pzdev->pz_hpa, IODC_IO_CONSOUT, cons_pzdev->pz_spa, 153 cons_pzdev->pz_layers, pdcbuf, 0, cnbuf, 1, 0); 154 } 155 156 /* 157 * since i don't know how to 'just check the char available' 158 * i store the key into the stash removing on read op later; 159 */ 160 int 161 ite_getc(dev) 162 dev_t dev; 163 { 164 static int stash = 0; 165 int err, c, l, i; 166 167 if (kyiodc == NULL) 168 return(0x100); 169 170 if (stash) { 171 c = stash; 172 if (!(dev & 0x80)) 173 stash = 0; 174 return c; 175 } 176 177 i = 16; 178 do { 179 err = (*kyiodc)(kbd_pzdev->pz_hpa, IODC_IO_CONSIN, 180 kbd_pzdev->pz_spa, kbd_pzdev->pz_layers, 181 pdcbuf, 0, cnbuf, 1, 0); 182 l = pdcbuf[0]; 183 c = cnbuf[0]; 184 #ifdef DEBUG 185 if (debug && err < 0) 186 printf("KBD input error: %d", err); 187 #endif 188 189 /* if we are doing ischar() report immediately */ 190 if (!i-- && (dev & 0x80) && l == 0) { 191 #ifdef DEBUG 192 if (debug > 2) 193 printf("ite_getc(0x%x): no char %d(%x)\n", 194 dev, l, c); 195 #endif 196 return (0); 197 } 198 } while(!l); 199 200 #if DEBUG 201 if (debug && l > 1) 202 printf("KBD input got too much (%d)\n", l); 203 204 if (debug > 3) 205 printf("kbd: \'%c\' (0x%x)\n", c, c); 206 #endif 207 if (dev & 0x80) 208 stash = c; 209 210 return (c); 211 } 212 213 void 214 ite_pollc(dev, on) 215 dev_t dev; 216 int on; 217 { 218 219 } 220