1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #pragma ident "%Z%%M% %I% %E% SMI"
28
29 /*
30 * isa-specific console configuration routines
31 */
32
33 #include <sys/types.h>
34 #include <sys/param.h>
35 #include <sys/cmn_err.h>
36 #include <sys/systm.h>
37 #include <sys/conf.h>
38 #include <sys/debug.h>
39 #include <sys/ddi.h>
40 #include <sys/sunddi.h>
41 #include <sys/esunddi.h>
42 #include <sys/ddi_impldefs.h>
43 #include <sys/promif.h>
44 #include <sys/modctl.h>
45 #include <sys/termios.h>
46
47 extern char *get_alias(char *alias, char *buf);
48
49 extern int polled_debug;
50
51 int
plat_use_polled_debug()52 plat_use_polled_debug()
53 {
54 return (polled_debug);
55 }
56
57 int
plat_support_serial_kbd_and_ms()58 plat_support_serial_kbd_and_ms()
59 {
60 return (1);
61 }
62
63 /*
64 * Return generic path to keyboard device from the alias.
65 */
66 char *
plat_kbdpath(void)67 plat_kbdpath(void)
68 {
69 static char *kbdpath = NULL;
70 static char buf[MAXPATHLEN];
71 char *path;
72
73 if (kbdpath != NULL)
74 return (kbdpath);
75
76 /*
77 * look for the keyboard property in /aliases
78 * The keyboard alias is required on 1275 systems
79 */
80 path = get_alias("keyboard", buf);
81 if (path != NULL) {
82 kbdpath = path;
83 return (path);
84 }
85
86 return (NULL);
87 }
88
89 /*
90 * Return generic path to display device from the alias.
91 */
92 char *
plat_fbpath(void)93 plat_fbpath(void)
94 {
95 static char *fbpath = NULL;
96 static char buf[MAXPATHLEN];
97 char *path;
98
99 if (fbpath != NULL)
100 return (fbpath);
101
102 /* look for the screen property in /aliases */
103 path = get_alias("screen", buf);
104 if (path != NULL) {
105 fbpath = path;
106 return (path);
107 }
108
109 return (NULL);
110 }
111
112 char *
plat_mousepath(void)113 plat_mousepath(void)
114 {
115 static char *mousepath = NULL;
116 static char buf[MAXPATHLEN];
117 char *path, *p, *q;
118 major_t zs_major, kb_major;
119
120 if (mousepath != NULL)
121 return (mousepath);
122
123 /* look for the mouse property in /aliases */
124 path = get_alias("mouse", buf);
125 if (path != NULL) {
126 mousepath = path;
127 return (path);
128 }
129
130 if (!plat_support_serial_kbd_and_ms())
131 return (NULL);
132
133 if ((zs_major = mod_name_to_major("zs")) == -1)
134 return (NULL);
135
136 if ((path = plat_kbdpath()) == NULL)
137 return (NULL);
138
139 if ((kb_major = path_to_major(path)) == (major_t)-1)
140 return (NULL);
141
142 if (zs_major != kb_major)
143 return (NULL);
144
145 /*
146 * If we didn't find the mouse property and we're on an OBP
147 * system with a 'zs' port keyboard/mouse duart then the mouse
148 * is the 'b' channel of the keyboard duart. Change :a to :b
149 * or append :b to the last component of the path.
150 * (It's still canonical without :a)
151 */
152 (void) strcpy(buf, path);
153 p = (strrchr(buf, '/')); /* p points to last comp. */
154 if (p != NULL) {
155 q = strchr(p, ':');
156 if (q != 0)
157 *q = (char)0; /* Replace or append options */
158 (void) strcat(p, ":b");
159 mousepath = buf;
160 return (mousepath);
161 }
162 return (NULL);
163 }
164
165 char *
plat_stdinpath(void)166 plat_stdinpath(void)
167 {
168 return (prom_stdinpath());
169 }
170
171 char *
plat_stdoutpath(void)172 plat_stdoutpath(void)
173 {
174 static char *outpath;
175 static char buf[MAXPATHLEN];
176 char *p;
177
178 if (outpath != NULL)
179 return (outpath);
180
181 p = prom_stdoutpath();
182 if (p == NULL)
183 return (NULL);
184
185 /*
186 * If the output device is a framebuffer, we don't
187 * care about monitor resolution options strings.
188 * In fact, we can't handle them at all, so strip them.
189 */
190 if (prom_stdout_is_framebuffer()) {
191 prom_strip_options(p, buf);
192 p = buf;
193 }
194
195 outpath = p;
196 return (outpath);
197 }
198
199 int
plat_stdin_is_keyboard(void)200 plat_stdin_is_keyboard(void)
201 {
202 return (prom_stdin_is_keyboard());
203 }
204
205 int
plat_stdout_is_framebuffer(void)206 plat_stdout_is_framebuffer(void)
207 {
208 return (prom_stdout_is_framebuffer());
209 }
210
211 void
kadb_uses_kernel()212 kadb_uses_kernel()
213 {
214 /* only used on intel */
215 }
216
217 void
plat_tem_get_inverses(int * inverse,int * inverse_screen)218 plat_tem_get_inverses(int *inverse, int *inverse_screen)
219 {
220 prom_get_tem_inverses(inverse, inverse_screen);
221 }
222
223 void
plat_tem_get_prom_font_size(int * charheight,int * windowtop)224 plat_tem_get_prom_font_size(int *charheight, int *windowtop)
225 {
226 prom_get_term_font_size(charheight, windowtop);
227 }
228
229 void
plat_tem_get_prom_size(size_t * height,size_t * width)230 plat_tem_get_prom_size(size_t *height, size_t *width)
231 {
232 prom_get_tem_size(height, width);
233 }
234
235 void
plat_tem_hide_prom_cursor(void)236 plat_tem_hide_prom_cursor(void)
237 {
238 prom_hide_cursor();
239 }
240
241 void
plat_tem_get_prom_pos(uint32_t * row,uint32_t * col)242 plat_tem_get_prom_pos(uint32_t *row, uint32_t *col)
243 {
244 prom_get_tem_pos(row, col);
245 }
246
247 /*
248 * Find the path of the virtual console (if available on the
249 * current architecture).
250 *
251 * Returns: -1 if not found, else actual path length.
252 */
253 int
plat_virtual_console_path(char ** bufp)254 plat_virtual_console_path(char **bufp)
255 {
256 pnode_t pnode;
257 int buflen;
258 static char buf[OBP_MAXPATHLEN];
259
260 pnode = prom_finddevice("/virtual-devices/console");
261
262 if (pnode == OBP_BADNODE)
263 return (-1);
264
265 if ((buflen = prom_phandle_to_path(pnode, buf, sizeof (buf))) < 0)
266 return (-1);
267
268 *bufp = buf;
269
270 return (buflen);
271 }
272