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 /*
28 * Copyright 2019 Peter Tribble.
29 */
30
31 /*
32 * isa-specific console configuration routines
33 */
34
35 #include <sys/types.h>
36 #include <sys/param.h>
37 #include <sys/cmn_err.h>
38 #include <sys/systm.h>
39 #include <sys/conf.h>
40 #include <sys/debug.h>
41 #include <sys/ddi.h>
42 #include <sys/sunddi.h>
43 #include <sys/esunddi.h>
44 #include <sys/ddi_impldefs.h>
45 #include <sys/promif.h>
46 #include <sys/modctl.h>
47 #include <sys/termios.h>
48
49 extern char *get_alias(char *alias, char *buf);
50
51 extern int polled_debug;
52
53 int
plat_use_polled_debug()54 plat_use_polled_debug()
55 {
56 return (polled_debug);
57 }
58
59 int
plat_support_serial_kbd_and_ms()60 plat_support_serial_kbd_and_ms()
61 {
62 return (1);
63 }
64
65 /*
66 * Return generic path to keyboard device from the alias.
67 */
68 char *
plat_kbdpath(void)69 plat_kbdpath(void)
70 {
71 static char *kbdpath = NULL;
72 static char buf[MAXPATHLEN];
73 char *path;
74
75 if (kbdpath != NULL)
76 return (kbdpath);
77
78 /*
79 * look for the keyboard property in /aliases
80 * The keyboard alias is required on 1275 systems
81 */
82 path = get_alias("keyboard", buf);
83 if (path != NULL) {
84 kbdpath = path;
85 return (path);
86 }
87
88 return (NULL);
89 }
90
91 /*
92 * Return generic path to display device from the alias.
93 */
94 char *
plat_fbpath(void)95 plat_fbpath(void)
96 {
97 static char *fbpath = NULL;
98 static char buf[MAXPATHLEN];
99 char *path;
100
101 if (fbpath != NULL)
102 return (fbpath);
103
104 /* look for the screen property in /aliases */
105 path = get_alias("screen", buf);
106 if (path != NULL) {
107 fbpath = path;
108 return (path);
109 }
110
111 return (NULL);
112 }
113
114 char *
plat_mousepath(void)115 plat_mousepath(void)
116 {
117 static char *mousepath = NULL;
118 static char buf[MAXPATHLEN];
119 char *path, *p, *q;
120 major_t zs_major, kb_major;
121
122 if (mousepath != NULL)
123 return (mousepath);
124
125 /* look for the mouse property in /aliases */
126 path = get_alias("mouse", buf);
127 if (path != NULL) {
128 mousepath = path;
129 return (path);
130 }
131
132 if (!plat_support_serial_kbd_and_ms())
133 return (NULL);
134
135 if ((zs_major = mod_name_to_major("zs")) == -1)
136 return (NULL);
137
138 if ((path = plat_kbdpath()) == NULL)
139 return (NULL);
140
141 if ((kb_major = path_to_major(path)) == (major_t)-1)
142 return (NULL);
143
144 if (zs_major != kb_major)
145 return (NULL);
146
147 /*
148 * If we didn't find the mouse property and we're on an OBP
149 * system with a 'zs' port keyboard/mouse duart then the mouse
150 * is the 'b' channel of the keyboard duart. Change :a to :b
151 * or append :b to the last component of the path.
152 * (It's still canonical without :a)
153 */
154 (void) strcpy(buf, path);
155 p = (strrchr(buf, '/')); /* p points to last comp. */
156 if (p != NULL) {
157 q = strchr(p, ':');
158 if (q != 0)
159 *q = (char)0; /* Replace or append options */
160 (void) strcat(p, ":b");
161 mousepath = buf;
162 return (mousepath);
163 }
164 return (NULL);
165 }
166
167 char *
plat_stdinpath(void)168 plat_stdinpath(void)
169 {
170 return (prom_stdinpath());
171 }
172
173 char *
plat_stdoutpath(void)174 plat_stdoutpath(void)
175 {
176 static char *outpath;
177 static char buf[MAXPATHLEN];
178 char *p;
179
180 if (outpath != NULL)
181 return (outpath);
182
183 p = prom_stdoutpath();
184 if (p == NULL)
185 return (NULL);
186
187 /*
188 * If the output device is a framebuffer, we don't
189 * care about monitor resolution options strings.
190 * In fact, we can't handle them at all, so strip them.
191 */
192 if (prom_stdout_is_framebuffer()) {
193 prom_strip_options(p, buf);
194 p = buf;
195 }
196
197 outpath = p;
198 return (outpath);
199 }
200
201 /*
202 * stub definition for consconfig_dacf
203 */
204 char *
plat_diagpath(void)205 plat_diagpath(void)
206 {
207 return (NULL);
208 }
209
210 int
plat_stdin_is_keyboard(void)211 plat_stdin_is_keyboard(void)
212 {
213 return (prom_stdin_is_keyboard());
214 }
215
216 int
plat_stdout_is_framebuffer(void)217 plat_stdout_is_framebuffer(void)
218 {
219 return (prom_stdout_is_framebuffer());
220 }
221
222 void
kadb_uses_kernel()223 kadb_uses_kernel()
224 {
225 /* only used on intel */
226 }
227
228 void
plat_tem_get_inverses(int * inverse,int * inverse_screen)229 plat_tem_get_inverses(int *inverse, int *inverse_screen)
230 {
231 prom_get_tem_inverses(inverse, inverse_screen);
232 }
233
234 void
plat_tem_get_prom_font_size(int * charheight,int * windowtop)235 plat_tem_get_prom_font_size(int *charheight, int *windowtop)
236 {
237 prom_get_term_font_size(charheight, windowtop);
238 }
239
240 void
plat_tem_get_prom_size(size_t * height,size_t * width)241 plat_tem_get_prom_size(size_t *height, size_t *width)
242 {
243 prom_get_tem_size(height, width);
244 }
245
246 void
plat_tem_hide_prom_cursor(void)247 plat_tem_hide_prom_cursor(void)
248 {
249 prom_hide_cursor();
250 }
251
252 void
plat_tem_get_prom_pos(uint32_t * row,uint32_t * col)253 plat_tem_get_prom_pos(uint32_t *row, uint32_t *col)
254 {
255 prom_get_tem_pos(row, col);
256 }
257
258 /*
259 * Find the path of the virtual console (if available on the
260 * current architecture).
261 *
262 * Returns: -1 if not found, else actual path length.
263 */
264 int
plat_virtual_console_path(char ** bufp)265 plat_virtual_console_path(char **bufp)
266 {
267 pnode_t pnode;
268 int buflen;
269 static char buf[OBP_MAXPATHLEN];
270
271 pnode = prom_finddevice("/virtual-devices/console");
272
273 if (pnode == OBP_BADNODE)
274 return (-1);
275
276 if ((buflen = prom_phandle_to_path(pnode, buf, sizeof (buf))) < 0)
277 return (-1);
278
279 *bufp = buf;
280
281 return (buflen);
282 }
283