1/*	$NetBSD: itecons.c,v 1.11 2014/01/15 21:52:13 skrll Exp $	*/
2
3/*	$OpenBSD: itecons.c,v 1.6 1999/04/20 20:01:02 mickey Exp $	*/
4
5/*
6 * Copyright (c) 1998-2004 Michael Shalayeff
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGE.
29 */
30/*
31 * Copyright 1996 1995 by Open Software Foundation, Inc.
32 *              All Rights Reserved
33 *
34 * Permission to use, copy, modify, and distribute this software and
35 * its documentation for any purpose and without fee is hereby granted,
36 * provided that the above copyright notice appears in all copies and
37 * that both the copyright notice and this permission notice appear in
38 * supporting documentation.
39 *
40 * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
41 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
42 * FOR A PARTICULAR PURPOSE.
43 *
44 * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
45 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
46 * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
47 * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
48 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
49 *
50 */
51
52#include "libsa.h"
53
54#include <sys/param.h>
55#include <sys/disklabel.h>
56#include <machine/pdc.h>
57#include <machine/iomod.h>
58#include <dev/cons.h>
59
60#include "dev_hppa.h"
61
62iodcio_t cniodc;	/* console IODC entry point */
63iodcio_t kyiodc;	/* keyboard IODC entry point */
64pz_device_t *cons_pzdev, *kbd_pzdev;
65
66/*
67 * Console.
68 */
69
70char cnbuf[IODC_MINIOSIZ] __attribute__ ((aligned (IODC_MINIOSIZ)));
71int kycode[IODC_MAXSIZE/sizeof(int)];
72
73#if 0
74int
75cnspeed(dev_t dev, int sp)
76{
77	return 9600;
78}
79#endif
80
81void
82ite_probe(struct consdev *cn)
83{
84	cniodc = (iodcio_t)PAGE0->mem_free;
85	cons_pzdev = &PAGE0->mem_cons;
86	kbd_pzdev = &PAGE0->mem_kbd;
87
88	if ((*pdc)   (PDC_IODC, PDC_IODC_READ, pdcbuf, cons_pzdev->pz_hpa,
89		      IODC_INIT, cniodc, IODC_MAXSIZE) < 0 ||
90	    (*cniodc)(cons_pzdev->pz_hpa,
91		      (cons_pzdev->pz_hpa==PAGE0->mem_boot.pz_hpa)?
92			IODC_INIT_DEV: IODC_INIT_ALL, cons_pzdev->pz_spa,
93			cons_pzdev->pz_layers, pdcbuf, 0,0,0,0) < 0 ||
94	    (*pdc)   (PDC_IODC, PDC_IODC_READ, pdcbuf, cons_pzdev->pz_hpa,
95		      IODC_IO, cniodc, IODC_MAXSIZE) < 0) {
96		/* morse code with the LED's?!! */
97		cons_pzdev->pz_iodc_io = kbd_pzdev->pz_iodc_io = NULL;
98	} else {
99		cn->cn_pri = CN_INTERNAL;
100		cn->cn_dev = makedev(0, 0);
101	}
102}
103
104void
105ite_init(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		memcpy((char *)&PAGE0->mem_kbd, (char *)&PAGE0->mem_cons,
133		      sizeof(struct pz_device));
134	}
135
136	cons_pzdev->pz_iodc_io = cniodc;
137	kbd_pzdev->pz_iodc_io = kyiodc;
138#ifdef DEBUG
139	if (!kyiodc)
140		printf("ite_init: no kbd\n");
141#endif
142}
143
144void
145ite_putc(dev_t dev, 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 */
160int
161ite_getc(dev_t dev)
162{
163	static int stash = 0;
164	int err __debugused, c, l, i;
165
166	if (kyiodc == NULL)
167		return(0x100);
168
169	if (stash) {
170		c = stash;
171		if (!(dev & 0x80))
172			stash = 0;
173		return c;
174	}
175
176	i = 16;
177	do {
178		err = (*kyiodc)(kbd_pzdev->pz_hpa, IODC_IO_CONSIN,
179				kbd_pzdev->pz_spa, kbd_pzdev->pz_layers,
180				pdcbuf, 0, cnbuf, 1, 0);
181		l = pdcbuf[0];
182		c = cnbuf[0];
183#ifdef DEBUG
184		if (debug && err < 0)
185			printf("KBD input error: %d", err);
186#endif
187
188		/* if we are doing ischar() report immidiatelly */
189		if (!i-- && (dev & 0x80) && l == 0) {
190#ifdef DEBUG
191			if (debug > 2)
192				printf("ite_getc(%llx): no char %d(%x)\n",
193				       dev, l, c);
194#endif
195			return (0);
196		}
197	} while(!l);
198
199#if DEBUG
200	if (debug && l > 1)
201		printf("KBD input got too much (%d)\n", l);
202
203	if (debug > 3)
204		printf("kbd: \'%c\' (0x%x)\n", c, c);
205#endif
206	if (dev & 0x80)
207		stash = c;
208
209	return (c);
210}
211
212void
213ite_pollc(dev_t dev, int on)
214{
215}
216