1 /* $NetBSD: console.c,v 1.15 2009/03/18 10:22:30 cegger Exp $ */
2
3 /*-
4 * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by UCHIYAMA Yasushi.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: console.c,v 1.15 2009/03/18 10:22:30 cegger Exp $");
34
35 #include "opt_kgdb.h"
36 #include "biconsdev.h"
37 #include "hpcfb.h"
38 #include "scif.h"
39 #include "hd64461uart.h"
40 #include "hd64465uart.h"
41 #include "hd64461video.h"
42 #include "wskbd.h"
43 #include "pfckbd.h"
44
45 #include <sys/param.h>
46 #include <sys/systm.h>
47 #include <sys/conf.h>
48 #include <dev/cons.h> /* consdev */
49
50 #include <machine/bootinfo.h>
51
52 #include <dev/wscons/wsdisplayvar.h>
53 #include <dev/rasops/rasops.h>
54 #include <dev/hpc/bicons.h>
55 #include <dev/hpc/biconsvar.h>
56 #include <dev/hpc/hpcfbvar.h>
57 #include <sh3/dev/scifvar.h>
58 #include <hpcsh/dev/pfckbdvar.h>
59 #include <hpcsh/dev/hd64461/hd64461uartvar.h>
60 #include <hpcsh/dev/hd64465/hd64465uartvar.h>
61
62 /* Serial console */
63 #define scifcnpollc nullcnpollc
64 cons_decl(scif);
65 #define hd64461uartcnputc comcnputc
66 #define hd64461uartcngetc comcngetc
67 #define hd64461uartcnpollc comcnpollc
68 cons_decl(hd64461uart);
69 #define hd64465uartcnputc comcnputc
70 #define hd64465uartcngetc comcngetc
71 #define hd64465uartcnpollc comcnpollc
72 cons_decl(hd64465uart);
73
74 /* Builtin video console */
75 #if NBICONSDEV > 0
76 #define biconscnpollc nullcnpollc
77 cons_decl(bicons);
78 #endif
79
80 /* HD64461 video module */
81 #if NHD64461VIDEO > 0
82 cons_decl(hd64461video_);
83 #if NWSKBD > 0
84 #include <dev/wscons/wskbdvar.h>
85 #define hd64461video_cngetc wskbd_cngetc
86 #else /* NWSKBD == 0 */
87 int
hd64461video_cngetc(dev_t dev)88 hd64461video_cngetc(dev_t dev)
89 {
90 printf("no input method. reboot me.\n");
91 for (;;)
92 continue;
93 /* NOTREACHED */
94 }
95 #endif /* NWSKBD == 0 */
96 #define hd64461video_cnputc wsdisplay_cnputc
97 #define hd64461video_cnpollc nullcnpollc
98 #endif /* NHD64461VIDEO > 0 */
99
100 struct consdev constab[] = {
101 #if NBICONSDEV > 0
102 cons_init(bicons),
103 #endif
104 #if NHD64461VIDEO > 0
105 cons_init(hd64461video_),
106 #endif
107 #if NSCIF > 0
108 cons_init(scif),
109 #endif
110 #if NHD64461UART > 0
111 cons_init(hd64461uart),
112 #endif
113 #if NHD64465UART > 0
114 cons_init(hd64465uart),
115 #endif
116 { NULL } /* terminator */
117 };
118
119 #define CN_ENABLE(x) set_console(x ## cninit, x ## cnprobe)
120
121 static int initialized;
122 static int attach_kbd __attribute__((__unused__)) = 0;
123 static void set_console(void (*)(struct consdev *), void (*)(struct consdev *));
124 static void disable_console(void);
125 static void cn_nonprobe(struct consdev *);
126 #if NBICONSDEV > 0
127 static void enable_bicons(void);
128 #endif
129
130 void
consinit(void)131 consinit(void)
132 {
133 if (initialized)
134 return;
135
136 /* select console */
137 disable_console();
138
139 switch (bootinfo->bi_cnuse) {
140 case BI_CNUSE_BUILTIN:
141 #if NBICONSDEV > 0
142 enable_bicons();
143 #endif
144 break;
145 case BI_CNUSE_HD64461VIDEO:
146 #if NHD64461VIDEO > 0
147 CN_ENABLE(hd64461video_);
148 attach_kbd = 1;
149 #endif
150 break;
151 case BI_CNUSE_SCIF:
152 #if NSCIF > 0
153 CN_ENABLE(scif);
154 #endif
155 break;
156 case BI_CNUSE_HD64461COM:
157 #if NHD64461UART > 0
158 CN_ENABLE(hd64461uart);
159 #endif
160 break;
161 case BI_CNUSE_HD64465COM:
162 #if NHD64465UART > 0
163 CN_ENABLE(hd64465uart);
164 #endif
165 break;
166 }
167
168 #if NBICONSDEV > 0
169 if (!initialized) { /* use builtin console instead */
170 enable_bicons();
171 }
172 #endif
173
174 if (initialized) {
175 cninit();
176 }
177
178 #if NPFCKBD > 0
179 if (attach_kbd)
180 pfckbd_cnattach();
181 #endif
182
183 #if NHPCFB > 0 && NBICONSDEV > 0
184 if (cn_tab->cn_putc == biconscnputc)
185 hpcfb_cnattach(0);
186 #endif
187
188 #ifdef KGDB
189 #if NSCIF > 0
190 scif_kgdb_init();
191 #endif
192 #if NHD64461UART > 0
193 hd64461uart_kgdb_init();
194 #endif
195 #if NHD64465UART > 0
196 hd64465uart_kgdb_init();
197 #endif
198 #endif /* KGDB */
199 }
200
201 static void
set_console(void (* init_func)(struct consdev *),void (* probe_func)(struct consdev *))202 set_console(void (*init_func)(struct consdev *),
203 void (*probe_func)(struct consdev *))
204 {
205 struct consdev *cp;
206
207 for (cp = constab; cp->cn_probe; cp++) {
208 if (cp->cn_init == init_func) {
209 cp->cn_probe = probe_func;
210 initialized = 1;
211 break;
212 }
213 }
214 }
215
216 static void
disable_console(void)217 disable_console(void)
218 {
219 struct consdev *cp;
220
221 for (cp = constab; cp->cn_probe; cp++)
222 cp->cn_probe = cn_nonprobe;
223 }
224
225 static void
cn_nonprobe(struct consdev * cp)226 cn_nonprobe(struct consdev *cp)
227 {
228
229 cp->cn_pri = CN_DEAD;
230 }
231
232 #if NBICONSDEV > 0
233 static void
enable_bicons(void)234 enable_bicons(void)
235 {
236
237 bootinfo->bi_cnuse = BI_CNUSE_BUILTIN;
238 bicons_set_priority(CN_INTERNAL);
239 CN_ENABLE(bicons);
240 attach_kbd = 1;
241 }
242 #endif /* NBICONSDEV > 0 */
243