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Merge branch 'pm-cpufreq-fixes'
[deliverable/linux.git] / drivers / staging / speakup / main.c
1 /* speakup.c
2 * review functions for the speakup screen review package.
3 * originally written by: Kirk Reiser and Andy Berdan.
4 *
5 * extensively modified by David Borowski.
6 *
7 ** Copyright (C) 1998 Kirk Reiser.
8 * Copyright (C) 2003 David Borowski.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 */
20
21 #include <linux/kernel.h>
22 #include <linux/vt.h>
23 #include <linux/tty.h>
24 #include <linux/mm.h> /* __get_free_page() and friends */
25 #include <linux/vt_kern.h>
26 #include <linux/ctype.h>
27 #include <linux/selection.h>
28 #include <linux/unistd.h>
29 #include <linux/jiffies.h>
30 #include <linux/kthread.h>
31 #include <linux/keyboard.h> /* for KT_SHIFT */
32 #include <linux/kbd_kern.h> /* for vc_kbd_* and friends */
33 #include <linux/input.h>
34 #include <linux/kmod.h>
35
36 /* speakup_*_selection */
37 #include <linux/module.h>
38 #include <linux/sched.h>
39 #include <linux/slab.h>
40 #include <linux/types.h>
41 #include <linux/consolemap.h>
42
43 #include <linux/spinlock.h>
44 #include <linux/notifier.h>
45
46 #include <linux/uaccess.h> /* copy_from|to|user() and others */
47
48 #include "spk_priv.h"
49 #include "speakup.h"
50
51 #define MAX_DELAY msecs_to_jiffies(500)
52 #define MINECHOCHAR SPACE
53
54 MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
55 MODULE_AUTHOR("Daniel Drake <dsd@gentoo.org>");
56 MODULE_DESCRIPTION("Speakup console speech");
57 MODULE_LICENSE("GPL");
58 MODULE_VERSION(SPEAKUP_VERSION);
59
60 char *synth_name;
61 module_param_named(synth, synth_name, charp, S_IRUGO);
62 module_param_named(quiet, spk_quiet_boot, bool, S_IRUGO);
63
64 MODULE_PARM_DESC(synth, "Synth to start if speakup is built in.");
65 MODULE_PARM_DESC(quiet, "Do not announce when the synthesizer is found.");
66
67 special_func spk_special_handler;
68
69 short spk_pitch_shift, synth_flags;
70 static char buf[256];
71 int spk_attrib_bleep, spk_bleeps, spk_bleep_time = 10;
72 int spk_no_intr, spk_spell_delay;
73 int spk_key_echo, spk_say_word_ctl;
74 int spk_say_ctrl, spk_bell_pos;
75 short spk_punc_mask;
76 int spk_punc_level, spk_reading_punc;
77 char spk_str_caps_start[MAXVARLEN + 1] = "\0";
78 char spk_str_caps_stop[MAXVARLEN + 1] = "\0";
79 const struct st_bits_data spk_punc_info[] = {
80 {"none", "", 0},
81 {"some", "/$%&@", SOME},
82 {"most", "$%&#()=+*/@^<>|\\", MOST},
83 {"all", "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~", PUNC},
84 {"delimiters", "", B_WDLM},
85 {"repeats", "()", CH_RPT},
86 {"extended numeric", "", B_EXNUM},
87 {"symbols", "", B_SYM},
88 {NULL, NULL}
89 };
90
91 static char mark_cut_flag;
92 #define MAX_KEY 160
93 static u_char *spk_shift_table;
94 u_char *spk_our_keys[MAX_KEY];
95 u_char spk_key_buf[600];
96 const u_char spk_key_defaults[] = {
97 #include "speakupmap.h"
98 };
99
100 /* Speakup Cursor Track Variables */
101 static int cursor_track = 1, prev_cursor_track = 1;
102
103 /* cursor track modes, must be ordered same as cursor_msgs */
104 enum {
105 CT_Off = 0,
106 CT_On,
107 CT_Highlight,
108 CT_Window,
109 CT_Max
110 };
111 #define read_all_mode CT_Max
112
113 static struct tty_struct *tty;
114
115 static void spkup_write(const char *in_buf, int count);
116
117 static char *phonetic[] = {
118 "alfa", "bravo", "charlie", "delta", "echo", "foxtrot", "golf", "hotel",
119 "india", "juliett", "keelo", "leema", "mike", "november", "oscar",
120 "papa",
121 "keh beck", "romeo", "sierra", "tango", "uniform", "victer", "whiskey",
122 "x ray", "yankee", "zulu"
123 };
124
125 /* array of 256 char pointers (one for each character description)
126 * initialized to default_chars and user selectable via
127 * /proc/speakup/characters
128 */
129 char *spk_characters[256];
130
131 char *spk_default_chars[256] = {
132 /*000*/ "null", "^a", "^b", "^c", "^d", "^e", "^f", "^g",
133 /*008*/ "^h", "^i", "^j", "^k", "^l", "^m", "^n", "^o",
134 /*016*/ "^p", "^q", "^r", "^s", "^t", "^u", "^v", "^w",
135 /*024*/ "^x", "^y", "^z", "control", "control", "control", "control",
136 "control",
137 /*032*/ "space", "bang!", "quote", "number", "dollar", "percent", "and",
138 "tick",
139 /*040*/ "left paren", "right paren", "star", "plus", "comma", "dash",
140 "dot",
141 "slash",
142 /*048*/ "zero", "one", "two", "three", "four", "five", "six", "seven",
143 "eight", "nine",
144 /*058*/ "colon", "semmy", "less", "equals", "greater", "question", "at",
145 /*065*/ "EIGH", "B", "C", "D", "E", "F", "G",
146 /*072*/ "H", "I", "J", "K", "L", "M", "N", "O",
147 /*080*/ "P", "Q", "R", "S", "T", "U", "V", "W", "X",
148 /*089*/ "Y", "ZED", "left bracket", "backslash", "right bracket",
149 "caret",
150 "line",
151 /*096*/ "accent", "a", "b", "c", "d", "e", "f", "g",
152 /*104*/ "h", "i", "j", "k", "l", "m", "n", "o",
153 /*112*/ "p", "q", "r", "s", "t", "u", "v", "w",
154 /*120*/ "x", "y", "zed", "left brace", "bar", "right brace", "tihlduh",
155 /*127*/ "del", "control", "control", "control", "control", "control",
156 "control", "control", "control", "control", "control",
157 /*138*/ "control", "control", "control", "control", "control",
158 "control", "control", "control", "control", "control",
159 "control", "control",
160 /*150*/ "control", "control", "control", "control", "control",
161 "control", "control", "control", "control", "control",
162 /*160*/ "nbsp", "inverted bang",
163 /*162*/ "cents", "pounds", "currency", "yen", "broken bar", "section",
164 /*168*/ "diaeresis", "copyright", "female ordinal", "double left angle",
165 /*172*/ "not", "soft hyphen", "registered", "macron",
166 /*176*/ "degrees", "plus or minus", "super two", "super three",
167 /*180*/ "acute accent", "micro", "pilcrow", "middle dot",
168 /*184*/ "cedilla", "super one", "male ordinal", "double right angle",
169 /*188*/ "one quarter", "one half", "three quarters",
170 "inverted question",
171 /*192*/ "A GRAVE", "A ACUTE", "A CIRCUMFLEX", "A TILDE", "A OOMLAUT",
172 "A RING",
173 /*198*/ "AE", "C CIDELLA", "E GRAVE", "E ACUTE", "E CIRCUMFLEX",
174 "E OOMLAUT",
175 /*204*/ "I GRAVE", "I ACUTE", "I CIRCUMFLEX", "I OOMLAUT", "ETH",
176 "N TILDE",
177 /*210*/ "O GRAVE", "O ACUTE", "O CIRCUMFLEX", "O TILDE", "O OOMLAUT",
178 /*215*/ "multiplied by", "O STROKE", "U GRAVE", "U ACUTE",
179 "U CIRCUMFLEX",
180 /*220*/ "U OOMLAUT", "Y ACUTE", "THORN", "sharp s", "a grave",
181 /*225*/ "a acute", "a circumflex", "a tilde", "a oomlaut", "a ring",
182 /*230*/ "ae", "c cidella", "e grave", "e acute",
183 /*234*/ "e circumflex", "e oomlaut", "i grave", "i acute",
184 "i circumflex",
185 /*239*/ "i oomlaut", "eth", "n tilde", "o grave", "o acute",
186 "o circumflex",
187 /*245*/ "o tilde", "o oomlaut", "divided by", "o stroke", "u grave",
188 "u acute",
189 /* 251 */ "u circumflex", "u oomlaut", "y acute", "thorn", "y oomlaut"
190 };
191
192 /* array of 256 u_short (one for each character)
193 * initialized to default_chartab and user selectable via
194 * /sys/module/speakup/parameters/chartab
195 */
196 u_short spk_chartab[256];
197
198 static u_short default_chartab[256] = {
199 B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, /* 0-7 */
200 B_CTL, B_CTL, A_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, /* 8-15 */
201 B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, /*16-23 */
202 B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, /* 24-31 */
203 WDLM, A_PUNC, PUNC, PUNC, PUNC, PUNC, PUNC, A_PUNC, /* !"#$%&' */
204 PUNC, PUNC, PUNC, PUNC, A_PUNC, A_PUNC, A_PUNC, PUNC, /* ()*+, -./ */
205 NUM, NUM, NUM, NUM, NUM, NUM, NUM, NUM, /* 01234567 */
206 NUM, NUM, A_PUNC, PUNC, PUNC, PUNC, PUNC, A_PUNC, /* 89:;<=>? */
207 PUNC, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, /* @ABCDEFG */
208 A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, /* HIJKLMNO */
209 A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, /* PQRSTUVW */
210 A_CAP, A_CAP, A_CAP, PUNC, PUNC, PUNC, PUNC, PUNC, /* XYZ[\]^_ */
211 PUNC, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, /* `abcdefg */
212 ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, /* hijklmno */
213 ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, /* pqrstuvw */
214 ALPHA, ALPHA, ALPHA, PUNC, PUNC, PUNC, PUNC, 0, /* xyz{|}~ */
215 B_CAPSYM, B_CAPSYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, /* 128-134 */
216 B_SYM, /* 135 */
217 B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, /* 136-142 */
218 B_CAPSYM, /* 143 */
219 B_CAPSYM, B_CAPSYM, B_SYM, B_CAPSYM, B_SYM, B_SYM, B_SYM, /* 144-150 */
220 B_SYM, /* 151 */
221 B_SYM, B_SYM, B_CAPSYM, B_CAPSYM, B_SYM, B_SYM, B_SYM, /*152-158 */
222 B_SYM, /* 159 */
223 WDLM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_CAPSYM, /* 160-166 */
224 B_SYM, /* 167 */
225 B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, /* 168-175 */
226 B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, /* 176-183 */
227 B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, /* 184-191 */
228 A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, /* 192-199 */
229 A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, /* 200-207 */
230 A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, B_SYM, /* 208-215 */
231 A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, ALPHA, /* 216-223 */
232 ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, /* 224-231 */
233 ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, /* 232-239 */
234 ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, B_SYM, /* 240-247 */
235 ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA /* 248-255 */
236 };
237
238 struct task_struct *speakup_task;
239 struct bleep spk_unprocessed_sound;
240 static int spk_keydown;
241 static u_char spk_lastkey, spk_close_press, keymap_flags;
242 static u_char last_keycode, this_speakup_key;
243 static u_long last_spk_jiffy;
244
245 struct st_spk_t *speakup_console[MAX_NR_CONSOLES];
246
247 DEFINE_MUTEX(spk_mutex);
248
249 static int keyboard_notifier_call(struct notifier_block *,
250 unsigned long code, void *param);
251
252 static struct notifier_block keyboard_notifier_block = {
253 .notifier_call = keyboard_notifier_call,
254 };
255
256 static int vt_notifier_call(struct notifier_block *,
257 unsigned long code, void *param);
258
259 static struct notifier_block vt_notifier_block = {
260 .notifier_call = vt_notifier_call,
261 };
262
263 static unsigned char get_attributes(struct vc_data *vc, u16 *pos)
264 {
265 pos = screen_pos(vc, pos - (u16 *)vc->vc_origin, 1);
266 return (u_char) (scr_readw(pos) >> 8);
267 }
268
269 static void speakup_date(struct vc_data *vc)
270 {
271 spk_x = spk_cx = vc->vc_x;
272 spk_y = spk_cy = vc->vc_y;
273 spk_pos = spk_cp = vc->vc_pos;
274 spk_old_attr = spk_attr;
275 spk_attr = get_attributes(vc, (u_short *)spk_pos);
276 }
277
278 static void bleep(u_short val)
279 {
280 static const short vals[] = {
281 350, 370, 392, 414, 440, 466, 491, 523, 554, 587, 619, 659
282 };
283 short freq;
284 int time = spk_bleep_time;
285
286 freq = vals[val % 12];
287 if (val > 11)
288 freq *= (1 << (val / 12));
289 spk_unprocessed_sound.freq = freq;
290 spk_unprocessed_sound.jiffies = msecs_to_jiffies(time);
291 spk_unprocessed_sound.active = 1;
292 /* We can only have 1 active sound at a time. */
293 }
294
295 static void speakup_shut_up(struct vc_data *vc)
296 {
297 if (spk_killed)
298 return;
299 spk_shut_up |= 0x01;
300 spk_parked &= 0xfe;
301 speakup_date(vc);
302 if (synth != NULL)
303 spk_do_flush();
304 }
305
306 static void speech_kill(struct vc_data *vc)
307 {
308 char val = synth->is_alive(synth);
309
310 if (val == 0)
311 return;
312
313 /* re-enables synth, if disabled */
314 if (val == 2 || spk_killed) {
315 /* dead */
316 spk_shut_up &= ~0x40;
317 synth_printf("%s\n", spk_msg_get(MSG_IAM_ALIVE));
318 } else {
319 synth_printf("%s\n", spk_msg_get(MSG_YOU_KILLED_SPEAKUP));
320 spk_shut_up |= 0x40;
321 }
322 }
323
324 static void speakup_off(struct vc_data *vc)
325 {
326 if (spk_shut_up & 0x80) {
327 spk_shut_up &= 0x7f;
328 synth_printf("%s\n", spk_msg_get(MSG_HEY_THATS_BETTER));
329 } else {
330 spk_shut_up |= 0x80;
331 synth_printf("%s\n", spk_msg_get(MSG_YOU_TURNED_ME_OFF));
332 }
333 speakup_date(vc);
334 }
335
336 static void speakup_parked(struct vc_data *vc)
337 {
338 if (spk_parked & 0x80) {
339 spk_parked = 0;
340 synth_printf("%s\n", spk_msg_get(MSG_UNPARKED));
341 } else {
342 spk_parked |= 0x80;
343 synth_printf("%s\n", spk_msg_get(MSG_PARKED));
344 }
345 }
346
347 static void speakup_cut(struct vc_data *vc)
348 {
349 static const char err_buf[] = "set selection failed";
350 int ret;
351
352 if (!mark_cut_flag) {
353 mark_cut_flag = 1;
354 spk_xs = (u_short) spk_x;
355 spk_ys = (u_short) spk_y;
356 spk_sel_cons = vc;
357 synth_printf("%s\n", spk_msg_get(MSG_MARK));
358 return;
359 }
360 spk_xe = (u_short) spk_x;
361 spk_ye = (u_short) spk_y;
362 mark_cut_flag = 0;
363 synth_printf("%s\n", spk_msg_get(MSG_CUT));
364
365 speakup_clear_selection();
366 ret = speakup_set_selection(tty);
367
368 switch (ret) {
369 case 0:
370 break; /* no error */
371 case -EFAULT:
372 pr_warn("%sEFAULT\n", err_buf);
373 break;
374 case -EINVAL:
375 pr_warn("%sEINVAL\n", err_buf);
376 break;
377 case -ENOMEM:
378 pr_warn("%sENOMEM\n", err_buf);
379 break;
380 }
381 }
382
383 static void speakup_paste(struct vc_data *vc)
384 {
385 if (mark_cut_flag) {
386 mark_cut_flag = 0;
387 synth_printf("%s\n", spk_msg_get(MSG_MARK_CLEARED));
388 } else {
389 synth_printf("%s\n", spk_msg_get(MSG_PASTE));
390 speakup_paste_selection(tty);
391 }
392 }
393
394 static void say_attributes(struct vc_data *vc)
395 {
396 int fg = spk_attr & 0x0f;
397 int bg = spk_attr >> 4;
398
399 if (fg > 8) {
400 synth_printf("%s ", spk_msg_get(MSG_BRIGHT));
401 fg -= 8;
402 }
403 synth_printf("%s", spk_msg_get(MSG_COLORS_START + fg));
404 if (bg > 7) {
405 synth_printf(" %s ", spk_msg_get(MSG_ON_BLINKING));
406 bg -= 8;
407 } else
408 synth_printf(" %s ", spk_msg_get(MSG_ON));
409 synth_printf("%s\n", spk_msg_get(MSG_COLORS_START + bg));
410 }
411
412 enum {
413 edge_top = 1,
414 edge_bottom,
415 edge_left,
416 edge_right,
417 edge_quiet
418 };
419
420 static void announce_edge(struct vc_data *vc, int msg_id)
421 {
422 if (spk_bleeps & 1)
423 bleep(spk_y);
424 if ((spk_bleeps & 2) && (msg_id < edge_quiet))
425 synth_printf("%s\n",
426 spk_msg_get(MSG_EDGE_MSGS_START + msg_id - 1));
427 }
428
429 static void speak_char(u_char ch)
430 {
431 char *cp = spk_characters[ch];
432 struct var_t *direct = spk_get_var(DIRECT);
433
434 if (direct && direct->u.n.value) {
435 if (IS_CHAR(ch, B_CAP)) {
436 spk_pitch_shift++;
437 synth_printf("%s", spk_str_caps_start);
438 }
439 synth_printf("%c", ch);
440 if (IS_CHAR(ch, B_CAP))
441 synth_printf("%s", spk_str_caps_stop);
442 return;
443 }
444 if (cp == NULL) {
445 pr_info("speak_char: cp == NULL!\n");
446 return;
447 }
448 synth_buffer_add(SPACE);
449 if (IS_CHAR(ch, B_CAP)) {
450 spk_pitch_shift++;
451 synth_printf("%s", spk_str_caps_start);
452 synth_printf("%s", cp);
453 synth_printf("%s", spk_str_caps_stop);
454 } else {
455 if (*cp == '^') {
456 synth_printf("%s", spk_msg_get(MSG_CTRL));
457 cp++;
458 }
459 synth_printf("%s", cp);
460 }
461 synth_buffer_add(SPACE);
462 }
463
464 static u16 get_char(struct vc_data *vc, u16 *pos, u_char *attribs)
465 {
466 u16 ch = ' ';
467
468 if (vc && pos) {
469 u16 w;
470 u16 c;
471
472 pos = screen_pos(vc, pos - (u16 *)vc->vc_origin, 1);
473 w = scr_readw(pos);
474 c = w & 0xff;
475
476 if (w & vc->vc_hi_font_mask)
477 c |= 0x100;
478
479 ch = inverse_translate(vc, c, 0);
480 *attribs = (w & 0xff00) >> 8;
481 }
482 return ch;
483 }
484
485 static void say_char(struct vc_data *vc)
486 {
487 u_short ch;
488
489 spk_old_attr = spk_attr;
490 ch = get_char(vc, (u_short *) spk_pos, &spk_attr);
491 if (spk_attr != spk_old_attr) {
492 if (spk_attrib_bleep & 1)
493 bleep(spk_y);
494 if (spk_attrib_bleep & 2)
495 say_attributes(vc);
496 }
497 speak_char(ch & 0xff);
498 }
499
500 static void say_phonetic_char(struct vc_data *vc)
501 {
502 u_short ch;
503
504 spk_old_attr = spk_attr;
505 ch = get_char(vc, (u_short *) spk_pos, &spk_attr);
506 if (isascii(ch) && isalpha(ch)) {
507 ch &= 0x1f;
508 synth_printf("%s\n", phonetic[--ch]);
509 } else {
510 if (IS_CHAR(ch, B_NUM))
511 synth_printf("%s ", spk_msg_get(MSG_NUMBER));
512 speak_char(ch);
513 }
514 }
515
516 static void say_prev_char(struct vc_data *vc)
517 {
518 spk_parked |= 0x01;
519 if (spk_x == 0) {
520 announce_edge(vc, edge_left);
521 return;
522 }
523 spk_x--;
524 spk_pos -= 2;
525 say_char(vc);
526 }
527
528 static void say_next_char(struct vc_data *vc)
529 {
530 spk_parked |= 0x01;
531 if (spk_x == vc->vc_cols - 1) {
532 announce_edge(vc, edge_right);
533 return;
534 }
535 spk_x++;
536 spk_pos += 2;
537 say_char(vc);
538 }
539
540 /* get_word - will first check to see if the character under the
541 * reading cursor is a space and if spk_say_word_ctl is true it will
542 * return the word space. If spk_say_word_ctl is not set it will check to
543 * see if there is a word starting on the next position to the right
544 * and return that word if it exists. If it does not exist it will
545 * move left to the beginning of any previous word on the line or the
546 * beginning off the line whichever comes first..
547 */
548
549 static u_long get_word(struct vc_data *vc)
550 {
551 u_long cnt = 0, tmpx = spk_x, tmp_pos = spk_pos;
552 char ch;
553 u_short attr_ch;
554 u_char temp;
555
556 spk_old_attr = spk_attr;
557 ch = (char)get_char(vc, (u_short *) tmp_pos, &temp);
558
559 /* decided to take out the sayword if on a space (mis-information */
560 if (spk_say_word_ctl && ch == SPACE) {
561 *buf = '\0';
562 synth_printf("%s\n", spk_msg_get(MSG_SPACE));
563 return 0;
564 } else if ((tmpx < vc->vc_cols - 2)
565 && (ch == SPACE || ch == 0 || IS_WDLM(ch))
566 && ((char)get_char(vc, (u_short *) &tmp_pos + 1, &temp) >
567 SPACE)) {
568 tmp_pos += 2;
569 tmpx++;
570 } else
571 while (tmpx > 0) {
572 ch = (char)get_char(vc, (u_short *) tmp_pos - 1, &temp);
573 if ((ch == SPACE || ch == 0 || IS_WDLM(ch))
574 && ((char)get_char(vc, (u_short *) tmp_pos, &temp) >
575 SPACE))
576 break;
577 tmp_pos -= 2;
578 tmpx--;
579 }
580 attr_ch = get_char(vc, (u_short *) tmp_pos, &spk_attr);
581 buf[cnt++] = attr_ch & 0xff;
582 while (tmpx < vc->vc_cols - 1) {
583 tmp_pos += 2;
584 tmpx++;
585 ch = (char)get_char(vc, (u_short *) tmp_pos, &temp);
586 if ((ch == SPACE) || ch == 0
587 || (IS_WDLM(buf[cnt - 1]) && (ch > SPACE)))
588 break;
589 buf[cnt++] = ch;
590 }
591 buf[cnt] = '\0';
592 return cnt;
593 }
594
595 static void say_word(struct vc_data *vc)
596 {
597 u_long cnt = get_word(vc);
598 u_short saved_punc_mask = spk_punc_mask;
599
600 if (cnt == 0)
601 return;
602 spk_punc_mask = PUNC;
603 buf[cnt++] = SPACE;
604 spkup_write(buf, cnt);
605 spk_punc_mask = saved_punc_mask;
606 }
607
608 static void say_prev_word(struct vc_data *vc)
609 {
610 u_char temp;
611 char ch;
612 u_short edge_said = 0, last_state = 0, state = 0;
613
614 spk_parked |= 0x01;
615
616 if (spk_x == 0) {
617 if (spk_y == 0) {
618 announce_edge(vc, edge_top);
619 return;
620 }
621 spk_y--;
622 spk_x = vc->vc_cols;
623 edge_said = edge_quiet;
624 }
625 while (1) {
626 if (spk_x == 0) {
627 if (spk_y == 0) {
628 edge_said = edge_top;
629 break;
630 }
631 if (edge_said != edge_quiet)
632 edge_said = edge_left;
633 if (state > 0)
634 break;
635 spk_y--;
636 spk_x = vc->vc_cols - 1;
637 } else
638 spk_x--;
639 spk_pos -= 2;
640 ch = (char)get_char(vc, (u_short *) spk_pos, &temp);
641 if (ch == SPACE || ch == 0)
642 state = 0;
643 else if (IS_WDLM(ch))
644 state = 1;
645 else
646 state = 2;
647 if (state < last_state) {
648 spk_pos += 2;
649 spk_x++;
650 break;
651 }
652 last_state = state;
653 }
654 if (spk_x == 0 && edge_said == edge_quiet)
655 edge_said = edge_left;
656 if (edge_said > 0 && edge_said < edge_quiet)
657 announce_edge(vc, edge_said);
658 say_word(vc);
659 }
660
661 static void say_next_word(struct vc_data *vc)
662 {
663 u_char temp;
664 char ch;
665 u_short edge_said = 0, last_state = 2, state = 0;
666
667 spk_parked |= 0x01;
668 if (spk_x == vc->vc_cols - 1 && spk_y == vc->vc_rows - 1) {
669 announce_edge(vc, edge_bottom);
670 return;
671 }
672 while (1) {
673 ch = (char)get_char(vc, (u_short *) spk_pos, &temp);
674 if (ch == SPACE || ch == 0)
675 state = 0;
676 else if (IS_WDLM(ch))
677 state = 1;
678 else
679 state = 2;
680 if (state > last_state)
681 break;
682 if (spk_x >= vc->vc_cols - 1) {
683 if (spk_y == vc->vc_rows - 1) {
684 edge_said = edge_bottom;
685 break;
686 }
687 state = 0;
688 spk_y++;
689 spk_x = 0;
690 edge_said = edge_right;
691 } else
692 spk_x++;
693 spk_pos += 2;
694 last_state = state;
695 }
696 if (edge_said > 0)
697 announce_edge(vc, edge_said);
698 say_word(vc);
699 }
700
701 static void spell_word(struct vc_data *vc)
702 {
703 static char const *delay_str[] = { "", ",", ".", ". .", ". . ." };
704 char *cp = buf, *str_cap = spk_str_caps_stop;
705 char *cp1, *last_cap = spk_str_caps_stop;
706 u_char ch;
707
708 if (!get_word(vc))
709 return;
710 while ((ch = (u_char) *cp)) {
711 if (cp != buf)
712 synth_printf(" %s ", delay_str[spk_spell_delay]);
713 if (IS_CHAR(ch, B_CAP)) {
714 str_cap = spk_str_caps_start;
715 if (*spk_str_caps_stop)
716 spk_pitch_shift++;
717 else /* synth has no pitch */
718 last_cap = spk_str_caps_stop;
719 } else
720 str_cap = spk_str_caps_stop;
721 if (str_cap != last_cap) {
722 synth_printf("%s", str_cap);
723 last_cap = str_cap;
724 }
725 if (this_speakup_key == SPELL_PHONETIC
726 && (isascii(ch) && isalpha(ch))) {
727 ch &= 31;
728 cp1 = phonetic[--ch];
729 } else {
730 cp1 = spk_characters[ch];
731 if (*cp1 == '^') {
732 synth_printf("%s", spk_msg_get(MSG_CTRL));
733 cp1++;
734 }
735 }
736 synth_printf("%s", cp1);
737 cp++;
738 }
739 if (str_cap != spk_str_caps_stop)
740 synth_printf("%s", spk_str_caps_stop);
741 }
742
743 static int get_line(struct vc_data *vc)
744 {
745 u_long tmp = spk_pos - (spk_x * 2);
746 int i = 0;
747 u_char tmp2;
748
749 spk_old_attr = spk_attr;
750 spk_attr = get_attributes(vc, (u_short *)spk_pos);
751 for (i = 0; i < vc->vc_cols; i++) {
752 buf[i] = (u_char) get_char(vc, (u_short *) tmp, &tmp2);
753 tmp += 2;
754 }
755 for (--i; i >= 0; i--)
756 if (buf[i] != SPACE)
757 break;
758 return ++i;
759 }
760
761 static void say_line(struct vc_data *vc)
762 {
763 int i = get_line(vc);
764 char *cp;
765 u_short saved_punc_mask = spk_punc_mask;
766
767 if (i == 0) {
768 synth_printf("%s\n", spk_msg_get(MSG_BLANK));
769 return;
770 }
771 buf[i++] = '\n';
772 if (this_speakup_key == SAY_LINE_INDENT) {
773 cp = buf;
774 while (*cp == SPACE)
775 cp++;
776 synth_printf("%d, ", (cp - buf) + 1);
777 }
778 spk_punc_mask = spk_punc_masks[spk_reading_punc];
779 spkup_write(buf, i);
780 spk_punc_mask = saved_punc_mask;
781 }
782
783 static void say_prev_line(struct vc_data *vc)
784 {
785 spk_parked |= 0x01;
786 if (spk_y == 0) {
787 announce_edge(vc, edge_top);
788 return;
789 }
790 spk_y--;
791 spk_pos -= vc->vc_size_row;
792 say_line(vc);
793 }
794
795 static void say_next_line(struct vc_data *vc)
796 {
797 spk_parked |= 0x01;
798 if (spk_y == vc->vc_rows - 1) {
799 announce_edge(vc, edge_bottom);
800 return;
801 }
802 spk_y++;
803 spk_pos += vc->vc_size_row;
804 say_line(vc);
805 }
806
807 static int say_from_to(struct vc_data *vc, u_long from, u_long to,
808 int read_punc)
809 {
810 int i = 0;
811 u_char tmp;
812 u_short saved_punc_mask = spk_punc_mask;
813
814 spk_old_attr = spk_attr;
815 spk_attr = get_attributes(vc, (u_short *)from);
816 while (from < to) {
817 buf[i++] = (char)get_char(vc, (u_short *) from, &tmp);
818 from += 2;
819 if (i >= vc->vc_size_row)
820 break;
821 }
822 for (--i; i >= 0; i--)
823 if (buf[i] != SPACE)
824 break;
825 buf[++i] = SPACE;
826 buf[++i] = '\0';
827 if (i < 1)
828 return i;
829 if (read_punc)
830 spk_punc_mask = spk_punc_info[spk_reading_punc].mask;
831 spkup_write(buf, i);
832 if (read_punc)
833 spk_punc_mask = saved_punc_mask;
834 return i - 1;
835 }
836
837 static void say_line_from_to(struct vc_data *vc, u_long from, u_long to,
838 int read_punc)
839 {
840 u_long start = vc->vc_origin + (spk_y * vc->vc_size_row);
841 u_long end = start + (to * 2);
842
843 start += from * 2;
844 if (say_from_to(vc, start, end, read_punc) <= 0)
845 if (cursor_track != read_all_mode)
846 synth_printf("%s\n", spk_msg_get(MSG_BLANK));
847 }
848
849 /* Sentence Reading Commands */
850
851 static int currsentence;
852 static int numsentences[2];
853 static char *sentbufend[2];
854 static char *sentmarks[2][10];
855 static int currbuf;
856 static int bn;
857 static char sentbuf[2][256];
858
859 static int say_sentence_num(int num, int prev)
860 {
861 bn = currbuf;
862 currsentence = num + 1;
863 if (prev && --bn == -1)
864 bn = 1;
865
866 if (num > numsentences[bn])
867 return 0;
868
869 spkup_write(sentmarks[bn][num], sentbufend[bn] - sentmarks[bn][num]);
870 return 1;
871 }
872
873 static int get_sentence_buf(struct vc_data *vc, int read_punc)
874 {
875 u_long start, end;
876 int i, bn;
877 u_char tmp;
878
879 currbuf++;
880 if (currbuf == 2)
881 currbuf = 0;
882 bn = currbuf;
883 start = vc->vc_origin + ((spk_y) * vc->vc_size_row);
884 end = vc->vc_origin + ((spk_y) * vc->vc_size_row) + vc->vc_cols * 2;
885
886 numsentences[bn] = 0;
887 sentmarks[bn][0] = &sentbuf[bn][0];
888 i = 0;
889 spk_old_attr = spk_attr;
890 spk_attr = get_attributes(vc, (u_short *)start);
891
892 while (start < end) {
893 sentbuf[bn][i] = (char)get_char(vc, (u_short *) start, &tmp);
894 if (i > 0) {
895 if (sentbuf[bn][i] == SPACE && sentbuf[bn][i - 1] == '.'
896 && numsentences[bn] < 9) {
897 /* Sentence Marker */
898 numsentences[bn]++;
899 sentmarks[bn][numsentences[bn]] =
900 &sentbuf[bn][i];
901 }
902 }
903 i++;
904 start += 2;
905 if (i >= vc->vc_size_row)
906 break;
907 }
908
909 for (--i; i >= 0; i--)
910 if (sentbuf[bn][i] != SPACE)
911 break;
912
913 if (i < 1)
914 return -1;
915
916 sentbuf[bn][++i] = SPACE;
917 sentbuf[bn][++i] = '\0';
918
919 sentbufend[bn] = &sentbuf[bn][i];
920 return numsentences[bn];
921 }
922
923 static void say_screen_from_to(struct vc_data *vc, u_long from, u_long to)
924 {
925 u_long start = vc->vc_origin, end;
926
927 if (from > 0)
928 start += from * vc->vc_size_row;
929 if (to > vc->vc_rows)
930 to = vc->vc_rows;
931 end = vc->vc_origin + (to * vc->vc_size_row);
932 for (from = start; from < end; from = to) {
933 to = from + vc->vc_size_row;
934 say_from_to(vc, from, to, 1);
935 }
936 }
937
938 static void say_screen(struct vc_data *vc)
939 {
940 say_screen_from_to(vc, 0, vc->vc_rows);
941 }
942
943 static void speakup_win_say(struct vc_data *vc)
944 {
945 u_long start, end, from, to;
946
947 if (win_start < 2) {
948 synth_printf("%s\n", spk_msg_get(MSG_NO_WINDOW));
949 return;
950 }
951 start = vc->vc_origin + (win_top * vc->vc_size_row);
952 end = vc->vc_origin + (win_bottom * vc->vc_size_row);
953 while (start <= end) {
954 from = start + (win_left * 2);
955 to = start + (win_right * 2);
956 say_from_to(vc, from, to, 1);
957 start += vc->vc_size_row;
958 }
959 }
960
961 static void top_edge(struct vc_data *vc)
962 {
963 spk_parked |= 0x01;
964 spk_pos = vc->vc_origin + 2 * spk_x;
965 spk_y = 0;
966 say_line(vc);
967 }
968
969 static void bottom_edge(struct vc_data *vc)
970 {
971 spk_parked |= 0x01;
972 spk_pos += (vc->vc_rows - spk_y - 1) * vc->vc_size_row;
973 spk_y = vc->vc_rows - 1;
974 say_line(vc);
975 }
976
977 static void left_edge(struct vc_data *vc)
978 {
979 spk_parked |= 0x01;
980 spk_pos -= spk_x * 2;
981 spk_x = 0;
982 say_char(vc);
983 }
984
985 static void right_edge(struct vc_data *vc)
986 {
987 spk_parked |= 0x01;
988 spk_pos += (vc->vc_cols - spk_x - 1) * 2;
989 spk_x = vc->vc_cols - 1;
990 say_char(vc);
991 }
992
993 static void say_first_char(struct vc_data *vc)
994 {
995 int i, len = get_line(vc);
996 u_char ch;
997
998 spk_parked |= 0x01;
999 if (len == 0) {
1000 synth_printf("%s\n", spk_msg_get(MSG_BLANK));
1001 return;
1002 }
1003 for (i = 0; i < len; i++)
1004 if (buf[i] != SPACE)
1005 break;
1006 ch = buf[i];
1007 spk_pos -= (spk_x - i) * 2;
1008 spk_x = i;
1009 synth_printf("%d, ", ++i);
1010 speak_char(ch);
1011 }
1012
1013 static void say_last_char(struct vc_data *vc)
1014 {
1015 int len = get_line(vc);
1016 u_char ch;
1017
1018 spk_parked |= 0x01;
1019 if (len == 0) {
1020 synth_printf("%s\n", spk_msg_get(MSG_BLANK));
1021 return;
1022 }
1023 ch = buf[--len];
1024 spk_pos -= (spk_x - len) * 2;
1025 spk_x = len;
1026 synth_printf("%d, ", ++len);
1027 speak_char(ch);
1028 }
1029
1030 static void say_position(struct vc_data *vc)
1031 {
1032 synth_printf(spk_msg_get(MSG_POS_INFO), spk_y + 1, spk_x + 1,
1033 vc->vc_num + 1);
1034 synth_printf("\n");
1035 }
1036
1037 /* Added by brianb */
1038 static void say_char_num(struct vc_data *vc)
1039 {
1040 u_char tmp;
1041 u_short ch = get_char(vc, (u_short *) spk_pos, &tmp);
1042
1043 ch &= 0xff;
1044 synth_printf(spk_msg_get(MSG_CHAR_INFO), ch, ch);
1045 }
1046
1047 /* these are stub functions to keep keyboard.c happy. */
1048
1049 static void say_from_top(struct vc_data *vc)
1050 {
1051 say_screen_from_to(vc, 0, spk_y);
1052 }
1053
1054 static void say_to_bottom(struct vc_data *vc)
1055 {
1056 say_screen_from_to(vc, spk_y, vc->vc_rows);
1057 }
1058
1059 static void say_from_left(struct vc_data *vc)
1060 {
1061 say_line_from_to(vc, 0, spk_x, 1);
1062 }
1063
1064 static void say_to_right(struct vc_data *vc)
1065 {
1066 say_line_from_to(vc, spk_x, vc->vc_cols, 1);
1067 }
1068
1069 /* end of stub functions. */
1070
1071 static void spkup_write(const char *in_buf, int count)
1072 {
1073 static int rep_count;
1074 static u_char ch = '\0', old_ch = '\0';
1075 static u_short char_type, last_type;
1076 int in_count = count;
1077
1078 spk_keydown = 0;
1079 while (count--) {
1080 if (cursor_track == read_all_mode) {
1081 /* Insert Sentence Index */
1082 if ((in_buf == sentmarks[bn][currsentence]) &&
1083 (currsentence <= numsentences[bn]))
1084 synth_insert_next_index(currsentence++);
1085 }
1086 ch = (u_char) *in_buf++;
1087 char_type = spk_chartab[ch];
1088 if (ch == old_ch && !(char_type & B_NUM)) {
1089 if (++rep_count > 2)
1090 continue;
1091 } else {
1092 if ((last_type & CH_RPT) && rep_count > 2) {
1093 synth_printf(" ");
1094 synth_printf(spk_msg_get(MSG_REPEAT_DESC),
1095 ++rep_count);
1096 synth_printf(" ");
1097 }
1098 rep_count = 0;
1099 }
1100 if (ch == spk_lastkey) {
1101 rep_count = 0;
1102 if (spk_key_echo == 1 && ch >= MINECHOCHAR)
1103 speak_char(ch);
1104 } else if (char_type & B_ALPHA) {
1105 if ((synth_flags & SF_DEC) && (last_type & PUNC))
1106 synth_buffer_add(SPACE);
1107 synth_printf("%c", ch);
1108 } else if (char_type & B_NUM) {
1109 rep_count = 0;
1110 synth_printf("%c", ch);
1111 } else if (char_type & spk_punc_mask) {
1112 speak_char(ch);
1113 char_type &= ~PUNC; /* for dec nospell processing */
1114 } else if (char_type & SYNTH_OK) {
1115 /* these are usually puncts like . and , which synth
1116 * needs for expression.
1117 * suppress multiple to get rid of long pauses and
1118 * clear repeat count
1119 * so if someone has
1120 * repeats on you don't get nothing repeated count
1121 */
1122 if (ch != old_ch)
1123 synth_printf("%c", ch);
1124 else
1125 rep_count = 0;
1126 } else {
1127 /* send space and record position, if next is num overwrite space */
1128 if (old_ch != ch)
1129 synth_buffer_add(SPACE);
1130 else
1131 rep_count = 0;
1132 }
1133 old_ch = ch;
1134 last_type = char_type;
1135 }
1136 spk_lastkey = 0;
1137 if (in_count > 2 && rep_count > 2) {
1138 if (last_type & CH_RPT) {
1139 synth_printf(" ");
1140 synth_printf(spk_msg_get(MSG_REPEAT_DESC2),
1141 ++rep_count);
1142 synth_printf(" ");
1143 }
1144 rep_count = 0;
1145 }
1146 }
1147
1148 static const int NUM_CTL_LABELS = (MSG_CTL_END - MSG_CTL_START + 1);
1149
1150 static void read_all_doc(struct vc_data *vc);
1151 static void cursor_done(u_long data);
1152 static DEFINE_TIMER(cursor_timer, cursor_done, 0, 0);
1153
1154 static void do_handle_shift(struct vc_data *vc, u_char value, char up_flag)
1155 {
1156 unsigned long flags;
1157
1158 if (synth == NULL || up_flag || spk_killed)
1159 return;
1160 spin_lock_irqsave(&speakup_info.spinlock, flags);
1161 if (cursor_track == read_all_mode) {
1162 switch (value) {
1163 case KVAL(K_SHIFT):
1164 del_timer(&cursor_timer);
1165 spk_shut_up &= 0xfe;
1166 spk_do_flush();
1167 read_all_doc(vc);
1168 break;
1169 case KVAL(K_CTRL):
1170 del_timer(&cursor_timer);
1171 cursor_track = prev_cursor_track;
1172 spk_shut_up &= 0xfe;
1173 spk_do_flush();
1174 break;
1175 }
1176 } else {
1177 spk_shut_up &= 0xfe;
1178 spk_do_flush();
1179 }
1180 if (spk_say_ctrl && value < NUM_CTL_LABELS)
1181 synth_printf("%s", spk_msg_get(MSG_CTL_START + value));
1182 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
1183 }
1184
1185 static void do_handle_latin(struct vc_data *vc, u_char value, char up_flag)
1186 {
1187 unsigned long flags;
1188
1189 spin_lock_irqsave(&speakup_info.spinlock, flags);
1190 if (up_flag) {
1191 spk_lastkey = 0;
1192 spk_keydown = 0;
1193 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
1194 return;
1195 }
1196 if (synth == NULL || spk_killed) {
1197 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
1198 return;
1199 }
1200 spk_shut_up &= 0xfe;
1201 spk_lastkey = value;
1202 spk_keydown++;
1203 spk_parked &= 0xfe;
1204 if (spk_key_echo == 2 && value >= MINECHOCHAR)
1205 speak_char(value);
1206 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
1207 }
1208
1209 int spk_set_key_info(const u_char *key_info, u_char *k_buffer)
1210 {
1211 int i = 0, states, key_data_len;
1212 const u_char *cp = key_info;
1213 u_char *cp1 = k_buffer;
1214 u_char ch, version, num_keys;
1215
1216 version = *cp++;
1217 if (version != KEY_MAP_VER)
1218 return -1;
1219 num_keys = *cp;
1220 states = (int)cp[1];
1221 key_data_len = (states + 1) * (num_keys + 1);
1222 if (key_data_len + SHIFT_TBL_SIZE + 4 >= sizeof(spk_key_buf))
1223 return -2;
1224 memset(k_buffer, 0, SHIFT_TBL_SIZE);
1225 memset(spk_our_keys, 0, sizeof(spk_our_keys));
1226 spk_shift_table = k_buffer;
1227 spk_our_keys[0] = spk_shift_table;
1228 cp1 += SHIFT_TBL_SIZE;
1229 memcpy(cp1, cp, key_data_len + 3);
1230 /* get num_keys, states and data */
1231 cp1 += 2; /* now pointing at shift states */
1232 for (i = 1; i <= states; i++) {
1233 ch = *cp1++;
1234 if (ch >= SHIFT_TBL_SIZE)
1235 return -3;
1236 spk_shift_table[ch] = i;
1237 }
1238 keymap_flags = *cp1++;
1239 while ((ch = *cp1)) {
1240 if (ch >= MAX_KEY)
1241 return -4;
1242 spk_our_keys[ch] = cp1;
1243 cp1 += states + 1;
1244 }
1245 return 0;
1246 }
1247
1248 static struct var_t spk_vars[] = {
1249 /* bell must be first to set high limit */
1250 {BELL_POS, .u.n = {NULL, 0, 0, 0, 0, 0, NULL} },
1251 {SPELL_DELAY, .u.n = {NULL, 0, 0, 4, 0, 0, NULL} },
1252 {ATTRIB_BLEEP, .u.n = {NULL, 1, 0, 3, 0, 0, NULL} },
1253 {BLEEPS, .u.n = {NULL, 3, 0, 3, 0, 0, NULL} },
1254 {BLEEP_TIME, .u.n = {NULL, 30, 1, 200, 0, 0, NULL} },
1255 {PUNC_LEVEL, .u.n = {NULL, 1, 0, 4, 0, 0, NULL} },
1256 {READING_PUNC, .u.n = {NULL, 1, 0, 4, 0, 0, NULL} },
1257 {CURSOR_TIME, .u.n = {NULL, 120, 50, 600, 0, 0, NULL} },
1258 {SAY_CONTROL, TOGGLE_0},
1259 {SAY_WORD_CTL, TOGGLE_0},
1260 {NO_INTERRUPT, TOGGLE_0},
1261 {KEY_ECHO, .u.n = {NULL, 1, 0, 2, 0, 0, NULL} },
1262 V_LAST_VAR
1263 };
1264
1265 static void toggle_cursoring(struct vc_data *vc)
1266 {
1267 if (cursor_track == read_all_mode)
1268 cursor_track = prev_cursor_track;
1269 if (++cursor_track >= CT_Max)
1270 cursor_track = 0;
1271 synth_printf("%s\n", spk_msg_get(MSG_CURSOR_MSGS_START + cursor_track));
1272 }
1273
1274 void spk_reset_default_chars(void)
1275 {
1276 int i;
1277
1278 /* First, free any non-default */
1279 for (i = 0; i < 256; i++) {
1280 if ((spk_characters[i] != NULL)
1281 && (spk_characters[i] != spk_default_chars[i]))
1282 kfree(spk_characters[i]);
1283 }
1284
1285 memcpy(spk_characters, spk_default_chars, sizeof(spk_default_chars));
1286 }
1287
1288 void spk_reset_default_chartab(void)
1289 {
1290 memcpy(spk_chartab, default_chartab, sizeof(default_chartab));
1291 }
1292
1293 static const struct st_bits_data *pb_edit;
1294
1295 static int edit_bits(struct vc_data *vc, u_char type, u_char ch, u_short key)
1296 {
1297 short mask = pb_edit->mask, ch_type = spk_chartab[ch];
1298
1299 if (type != KT_LATIN || (ch_type & B_NUM) || ch < SPACE)
1300 return -1;
1301 if (ch == SPACE) {
1302 synth_printf("%s\n", spk_msg_get(MSG_EDIT_DONE));
1303 spk_special_handler = NULL;
1304 return 1;
1305 }
1306 if (mask < PUNC && !(ch_type & PUNC))
1307 return -1;
1308 spk_chartab[ch] ^= mask;
1309 speak_char(ch);
1310 synth_printf(" %s\n",
1311 (spk_chartab[ch] & mask) ? spk_msg_get(MSG_ON) :
1312 spk_msg_get(MSG_OFF));
1313 return 1;
1314 }
1315
1316 /* Allocation concurrency is protected by the console semaphore */
1317 static int speakup_allocate(struct vc_data *vc)
1318 {
1319 int vc_num;
1320
1321 vc_num = vc->vc_num;
1322 if (speakup_console[vc_num] == NULL) {
1323 speakup_console[vc_num] = kzalloc(sizeof(*speakup_console[0]),
1324 GFP_ATOMIC);
1325 if (speakup_console[vc_num] == NULL)
1326 return -ENOMEM;
1327 speakup_date(vc);
1328 } else if (!spk_parked)
1329 speakup_date(vc);
1330
1331 return 0;
1332 }
1333
1334 static void speakup_deallocate(struct vc_data *vc)
1335 {
1336 int vc_num;
1337
1338 vc_num = vc->vc_num;
1339 kfree(speakup_console[vc_num]);
1340 speakup_console[vc_num] = NULL;
1341 }
1342
1343 static u_char is_cursor;
1344 static u_long old_cursor_pos, old_cursor_x, old_cursor_y;
1345 static int cursor_con;
1346
1347 static void reset_highlight_buffers(struct vc_data *);
1348
1349 static int read_all_key;
1350
1351 static void start_read_all_timer(struct vc_data *vc, int command);
1352
1353 enum {
1354 RA_NOTHING,
1355 RA_NEXT_SENT,
1356 RA_PREV_LINE,
1357 RA_NEXT_LINE,
1358 RA_PREV_SENT,
1359 RA_DOWN_ARROW,
1360 RA_TIMER,
1361 RA_FIND_NEXT_SENT,
1362 RA_FIND_PREV_SENT,
1363 };
1364
1365 static void kbd_fakekey2(struct vc_data *vc, int command)
1366 {
1367 del_timer(&cursor_timer);
1368 speakup_fake_down_arrow();
1369 start_read_all_timer(vc, command);
1370 }
1371
1372 static void read_all_doc(struct vc_data *vc)
1373 {
1374 if ((vc->vc_num != fg_console) || synth == NULL || spk_shut_up)
1375 return;
1376 if (!synth_supports_indexing())
1377 return;
1378 if (cursor_track != read_all_mode)
1379 prev_cursor_track = cursor_track;
1380 cursor_track = read_all_mode;
1381 spk_reset_index_count(0);
1382 if (get_sentence_buf(vc, 0) == -1)
1383 kbd_fakekey2(vc, RA_DOWN_ARROW);
1384 else {
1385 say_sentence_num(0, 0);
1386 synth_insert_next_index(0);
1387 start_read_all_timer(vc, RA_TIMER);
1388 }
1389 }
1390
1391 static void stop_read_all(struct vc_data *vc)
1392 {
1393 del_timer(&cursor_timer);
1394 cursor_track = prev_cursor_track;
1395 spk_shut_up &= 0xfe;
1396 spk_do_flush();
1397 }
1398
1399 static void start_read_all_timer(struct vc_data *vc, int command)
1400 {
1401 struct var_t *cursor_timeout;
1402
1403 cursor_con = vc->vc_num;
1404 read_all_key = command;
1405 cursor_timeout = spk_get_var(CURSOR_TIME);
1406 mod_timer(&cursor_timer,
1407 jiffies + msecs_to_jiffies(cursor_timeout->u.n.value));
1408 }
1409
1410 static void handle_cursor_read_all(struct vc_data *vc, int command)
1411 {
1412 int indcount, sentcount, rv, sn;
1413
1414 switch (command) {
1415 case RA_NEXT_SENT:
1416 /* Get Current Sentence */
1417 spk_get_index_count(&indcount, &sentcount);
1418 /*printk("%d %d ", indcount, sentcount); */
1419 spk_reset_index_count(sentcount + 1);
1420 if (indcount == 1) {
1421 if (!say_sentence_num(sentcount + 1, 0)) {
1422 kbd_fakekey2(vc, RA_FIND_NEXT_SENT);
1423 return;
1424 }
1425 synth_insert_next_index(0);
1426 } else {
1427 sn = 0;
1428 if (!say_sentence_num(sentcount + 1, 1)) {
1429 sn = 1;
1430 spk_reset_index_count(sn);
1431 } else
1432 synth_insert_next_index(0);
1433 if (!say_sentence_num(sn, 0)) {
1434 kbd_fakekey2(vc, RA_FIND_NEXT_SENT);
1435 return;
1436 }
1437 synth_insert_next_index(0);
1438 }
1439 start_read_all_timer(vc, RA_TIMER);
1440 break;
1441 case RA_PREV_SENT:
1442 break;
1443 case RA_NEXT_LINE:
1444 read_all_doc(vc);
1445 break;
1446 case RA_PREV_LINE:
1447 break;
1448 case RA_DOWN_ARROW:
1449 if (get_sentence_buf(vc, 0) == -1) {
1450 kbd_fakekey2(vc, RA_DOWN_ARROW);
1451 } else {
1452 say_sentence_num(0, 0);
1453 synth_insert_next_index(0);
1454 start_read_all_timer(vc, RA_TIMER);
1455 }
1456 break;
1457 case RA_FIND_NEXT_SENT:
1458 rv = get_sentence_buf(vc, 0);
1459 if (rv == -1)
1460 read_all_doc(vc);
1461 if (rv == 0)
1462 kbd_fakekey2(vc, RA_FIND_NEXT_SENT);
1463 else {
1464 say_sentence_num(1, 0);
1465 synth_insert_next_index(0);
1466 start_read_all_timer(vc, RA_TIMER);
1467 }
1468 break;
1469 case RA_FIND_PREV_SENT:
1470 break;
1471 case RA_TIMER:
1472 spk_get_index_count(&indcount, &sentcount);
1473 if (indcount < 2)
1474 kbd_fakekey2(vc, RA_DOWN_ARROW);
1475 else
1476 start_read_all_timer(vc, RA_TIMER);
1477 break;
1478 }
1479 }
1480
1481 static int pre_handle_cursor(struct vc_data *vc, u_char value, char up_flag)
1482 {
1483 unsigned long flags;
1484
1485 spin_lock_irqsave(&speakup_info.spinlock, flags);
1486 if (cursor_track == read_all_mode) {
1487 spk_parked &= 0xfe;
1488 if (synth == NULL || up_flag || spk_shut_up) {
1489 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
1490 return NOTIFY_STOP;
1491 }
1492 del_timer(&cursor_timer);
1493 spk_shut_up &= 0xfe;
1494 spk_do_flush();
1495 start_read_all_timer(vc, value + 1);
1496 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
1497 return NOTIFY_STOP;
1498 }
1499 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
1500 return NOTIFY_OK;
1501 }
1502
1503 static void do_handle_cursor(struct vc_data *vc, u_char value, char up_flag)
1504 {
1505 unsigned long flags;
1506 struct var_t *cursor_timeout;
1507
1508 spin_lock_irqsave(&speakup_info.spinlock, flags);
1509 spk_parked &= 0xfe;
1510 if (synth == NULL || up_flag || spk_shut_up || cursor_track == CT_Off) {
1511 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
1512 return;
1513 }
1514 spk_shut_up &= 0xfe;
1515 if (spk_no_intr)
1516 spk_do_flush();
1517 /* the key press flushes if !no_inter but we want to flush on cursor
1518 * moves regardless of no_inter state
1519 */
1520 is_cursor = value + 1;
1521 old_cursor_pos = vc->vc_pos;
1522 old_cursor_x = vc->vc_x;
1523 old_cursor_y = vc->vc_y;
1524 speakup_console[vc->vc_num]->ht.cy = vc->vc_y;
1525 cursor_con = vc->vc_num;
1526 if (cursor_track == CT_Highlight)
1527 reset_highlight_buffers(vc);
1528 cursor_timeout = spk_get_var(CURSOR_TIME);
1529 mod_timer(&cursor_timer,
1530 jiffies + msecs_to_jiffies(cursor_timeout->u.n.value));
1531 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
1532 }
1533
1534 static void update_color_buffer(struct vc_data *vc, const char *ic, int len)
1535 {
1536 int i, bi, hi;
1537 int vc_num = vc->vc_num;
1538
1539 bi = (vc->vc_attr & 0x70) >> 4;
1540 hi = speakup_console[vc_num]->ht.highsize[bi];
1541
1542 i = 0;
1543 if (speakup_console[vc_num]->ht.highsize[bi] == 0) {
1544 speakup_console[vc_num]->ht.rpos[bi] = vc->vc_pos;
1545 speakup_console[vc_num]->ht.rx[bi] = vc->vc_x;
1546 speakup_console[vc_num]->ht.ry[bi] = vc->vc_y;
1547 }
1548 while ((hi < COLOR_BUFFER_SIZE) && (i < len)) {
1549 if ((ic[i] > 32) && (ic[i] < 127)) {
1550 speakup_console[vc_num]->ht.highbuf[bi][hi] = ic[i];
1551 hi++;
1552 } else if ((ic[i] == 32) && (hi != 0)) {
1553 if (speakup_console[vc_num]->ht.highbuf[bi][hi - 1] !=
1554 32) {
1555 speakup_console[vc_num]->ht.highbuf[bi][hi] =
1556 ic[i];
1557 hi++;
1558 }
1559 }
1560 i++;
1561 }
1562 speakup_console[vc_num]->ht.highsize[bi] = hi;
1563 }
1564
1565 static void reset_highlight_buffers(struct vc_data *vc)
1566 {
1567 int i;
1568 int vc_num = vc->vc_num;
1569
1570 for (i = 0; i < 8; i++)
1571 speakup_console[vc_num]->ht.highsize[i] = 0;
1572 }
1573
1574 static int count_highlight_color(struct vc_data *vc)
1575 {
1576 int i, bg;
1577 int cc;
1578 int vc_num = vc->vc_num;
1579 u16 ch;
1580 u16 *start = (u16 *) vc->vc_origin;
1581
1582 for (i = 0; i < 8; i++)
1583 speakup_console[vc_num]->ht.bgcount[i] = 0;
1584
1585 for (i = 0; i < vc->vc_rows; i++) {
1586 u16 *end = start + vc->vc_cols * 2;
1587 u16 *ptr;
1588
1589 for (ptr = start; ptr < end; ptr++) {
1590 ch = get_attributes(vc, ptr);
1591 bg = (ch & 0x70) >> 4;
1592 speakup_console[vc_num]->ht.bgcount[bg]++;
1593 }
1594 start += vc->vc_size_row;
1595 }
1596
1597 cc = 0;
1598 for (i = 0; i < 8; i++)
1599 if (speakup_console[vc_num]->ht.bgcount[i] > 0)
1600 cc++;
1601 return cc;
1602 }
1603
1604 static int get_highlight_color(struct vc_data *vc)
1605 {
1606 int i, j;
1607 unsigned int cptr[8];
1608 int vc_num = vc->vc_num;
1609
1610 for (i = 0; i < 8; i++)
1611 cptr[i] = i;
1612
1613 for (i = 0; i < 7; i++)
1614 for (j = i + 1; j < 8; j++)
1615 if (speakup_console[vc_num]->ht.bgcount[cptr[i]] >
1616 speakup_console[vc_num]->ht.bgcount[cptr[j]])
1617 swap(cptr[i], cptr[j]);
1618
1619 for (i = 0; i < 8; i++)
1620 if (speakup_console[vc_num]->ht.bgcount[cptr[i]] != 0)
1621 if (speakup_console[vc_num]->ht.highsize[cptr[i]] > 0)
1622 return cptr[i];
1623 return -1;
1624 }
1625
1626 static int speak_highlight(struct vc_data *vc)
1627 {
1628 int hc, d;
1629 int vc_num = vc->vc_num;
1630
1631 if (count_highlight_color(vc) == 1)
1632 return 0;
1633 hc = get_highlight_color(vc);
1634 if (hc != -1) {
1635 d = vc->vc_y - speakup_console[vc_num]->ht.cy;
1636 if ((d == 1) || (d == -1))
1637 if (speakup_console[vc_num]->ht.ry[hc] != vc->vc_y)
1638 return 0;
1639 spk_parked |= 0x01;
1640 spk_do_flush();
1641 spkup_write(speakup_console[vc_num]->ht.highbuf[hc],
1642 speakup_console[vc_num]->ht.highsize[hc]);
1643 spk_pos = spk_cp = speakup_console[vc_num]->ht.rpos[hc];
1644 spk_x = spk_cx = speakup_console[vc_num]->ht.rx[hc];
1645 spk_y = spk_cy = speakup_console[vc_num]->ht.ry[hc];
1646 return 1;
1647 }
1648 return 0;
1649 }
1650
1651 static void cursor_done(u_long data)
1652 {
1653 struct vc_data *vc = vc_cons[cursor_con].d;
1654 unsigned long flags;
1655
1656 del_timer(&cursor_timer);
1657 spin_lock_irqsave(&speakup_info.spinlock, flags);
1658 if (cursor_con != fg_console) {
1659 is_cursor = 0;
1660 goto out;
1661 }
1662 speakup_date(vc);
1663 if (win_enabled) {
1664 if (vc->vc_x >= win_left && vc->vc_x <= win_right &&
1665 vc->vc_y >= win_top && vc->vc_y <= win_bottom) {
1666 spk_keydown = 0;
1667 is_cursor = 0;
1668 goto out;
1669 }
1670 }
1671 if (cursor_track == read_all_mode) {
1672 handle_cursor_read_all(vc, read_all_key);
1673 goto out;
1674 }
1675 if (cursor_track == CT_Highlight) {
1676 if (speak_highlight(vc)) {
1677 spk_keydown = 0;
1678 is_cursor = 0;
1679 goto out;
1680 }
1681 }
1682 if (cursor_track == CT_Window)
1683 speakup_win_say(vc);
1684 else if (is_cursor == 1 || is_cursor == 4)
1685 say_line_from_to(vc, 0, vc->vc_cols, 0);
1686 else
1687 say_char(vc);
1688 spk_keydown = 0;
1689 is_cursor = 0;
1690 out:
1691 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
1692 }
1693
1694 /* called by: vt_notifier_call() */
1695 static void speakup_bs(struct vc_data *vc)
1696 {
1697 unsigned long flags;
1698
1699 if (!speakup_console[vc->vc_num])
1700 return;
1701 if (!spin_trylock_irqsave(&speakup_info.spinlock, flags))
1702 /* Speakup output, discard */
1703 return;
1704 if (!spk_parked)
1705 speakup_date(vc);
1706 if (spk_shut_up || synth == NULL) {
1707 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
1708 return;
1709 }
1710 if (vc->vc_num == fg_console && spk_keydown) {
1711 spk_keydown = 0;
1712 if (!is_cursor)
1713 say_char(vc);
1714 }
1715 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
1716 }
1717
1718 /* called by: vt_notifier_call() */
1719 static void speakup_con_write(struct vc_data *vc, const char *str, int len)
1720 {
1721 unsigned long flags;
1722
1723 if ((vc->vc_num != fg_console) || spk_shut_up || synth == NULL)
1724 return;
1725 if (!spin_trylock_irqsave(&speakup_info.spinlock, flags))
1726 /* Speakup output, discard */
1727 return;
1728 if (spk_bell_pos && spk_keydown && (vc->vc_x == spk_bell_pos - 1))
1729 bleep(3);
1730 if ((is_cursor) || (cursor_track == read_all_mode)) {
1731 if (cursor_track == CT_Highlight)
1732 update_color_buffer(vc, str, len);
1733 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
1734 return;
1735 }
1736 if (win_enabled) {
1737 if (vc->vc_x >= win_left && vc->vc_x <= win_right &&
1738 vc->vc_y >= win_top && vc->vc_y <= win_bottom) {
1739 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
1740 return;
1741 }
1742 }
1743
1744 spkup_write(str, len);
1745 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
1746 }
1747
1748 static void speakup_con_update(struct vc_data *vc)
1749 {
1750 unsigned long flags;
1751
1752 if (speakup_console[vc->vc_num] == NULL || spk_parked)
1753 return;
1754 if (!spin_trylock_irqsave(&speakup_info.spinlock, flags))
1755 /* Speakup output, discard */
1756 return;
1757 speakup_date(vc);
1758 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
1759 }
1760
1761 static void do_handle_spec(struct vc_data *vc, u_char value, char up_flag)
1762 {
1763 unsigned long flags;
1764 int on_off = 2;
1765 char *label;
1766
1767 if (synth == NULL || up_flag || spk_killed)
1768 return;
1769 spin_lock_irqsave(&speakup_info.spinlock, flags);
1770 spk_shut_up &= 0xfe;
1771 if (spk_no_intr)
1772 spk_do_flush();
1773 switch (value) {
1774 case KVAL(K_CAPS):
1775 label = spk_msg_get(MSG_KEYNAME_CAPSLOCK);
1776 on_off = vt_get_leds(fg_console, VC_CAPSLOCK);
1777 break;
1778 case KVAL(K_NUM):
1779 label = spk_msg_get(MSG_KEYNAME_NUMLOCK);
1780 on_off = vt_get_leds(fg_console, VC_NUMLOCK);
1781 break;
1782 case KVAL(K_HOLD):
1783 label = spk_msg_get(MSG_KEYNAME_SCROLLLOCK);
1784 on_off = vt_get_leds(fg_console, VC_SCROLLOCK);
1785 if (speakup_console[vc->vc_num])
1786 speakup_console[vc->vc_num]->tty_stopped = on_off;
1787 break;
1788 default:
1789 spk_parked &= 0xfe;
1790 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
1791 return;
1792 }
1793 if (on_off < 2)
1794 synth_printf("%s %s\n",
1795 label, spk_msg_get(MSG_STATUS_START + on_off));
1796 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
1797 }
1798
1799 static int inc_dec_var(u_char value)
1800 {
1801 struct st_var_header *p_header;
1802 struct var_t *var_data;
1803 char num_buf[32];
1804 char *cp = num_buf;
1805 char *pn;
1806 int var_id = (int)value - VAR_START;
1807 int how = (var_id & 1) ? E_INC : E_DEC;
1808
1809 var_id = var_id / 2 + FIRST_SET_VAR;
1810 p_header = spk_get_var_header(var_id);
1811 if (p_header == NULL)
1812 return -1;
1813 if (p_header->var_type != VAR_NUM)
1814 return -1;
1815 var_data = p_header->data;
1816 if (spk_set_num_var(1, p_header, how) != 0)
1817 return -1;
1818 if (!spk_close_press) {
1819 for (pn = p_header->name; *pn; pn++) {
1820 if (*pn == '_')
1821 *cp = SPACE;
1822 else
1823 *cp++ = *pn;
1824 }
1825 }
1826 snprintf(cp, sizeof(num_buf) - (cp - num_buf), " %d ",
1827 var_data->u.n.value);
1828 synth_printf("%s", num_buf);
1829 return 0;
1830 }
1831
1832 static void speakup_win_set(struct vc_data *vc)
1833 {
1834 char info[40];
1835
1836 if (win_start > 1) {
1837 synth_printf("%s\n", spk_msg_get(MSG_WINDOW_ALREADY_SET));
1838 return;
1839 }
1840 if (spk_x < win_left || spk_y < win_top) {
1841 synth_printf("%s\n", spk_msg_get(MSG_END_BEFORE_START));
1842 return;
1843 }
1844 if (win_start && spk_x == win_left && spk_y == win_top) {
1845 win_left = 0;
1846 win_right = vc->vc_cols - 1;
1847 win_bottom = spk_y;
1848 snprintf(info, sizeof(info), spk_msg_get(MSG_WINDOW_LINE),
1849 (int)win_top + 1);
1850 } else {
1851 if (!win_start) {
1852 win_top = spk_y;
1853 win_left = spk_x;
1854 } else {
1855 win_bottom = spk_y;
1856 win_right = spk_x;
1857 }
1858 snprintf(info, sizeof(info), spk_msg_get(MSG_WINDOW_BOUNDARY),
1859 (win_start) ?
1860 spk_msg_get(MSG_END) : spk_msg_get(MSG_START),
1861 (int)spk_y + 1, (int)spk_x + 1);
1862 }
1863 synth_printf("%s\n", info);
1864 win_start++;
1865 }
1866
1867 static void speakup_win_clear(struct vc_data *vc)
1868 {
1869 win_top = 0;
1870 win_bottom = 0;
1871 win_left = 0;
1872 win_right = 0;
1873 win_start = 0;
1874 synth_printf("%s\n", spk_msg_get(MSG_WINDOW_CLEARED));
1875 }
1876
1877 static void speakup_win_enable(struct vc_data *vc)
1878 {
1879 if (win_start < 2) {
1880 synth_printf("%s\n", spk_msg_get(MSG_NO_WINDOW));
1881 return;
1882 }
1883 win_enabled ^= 1;
1884 if (win_enabled)
1885 synth_printf("%s\n", spk_msg_get(MSG_WINDOW_SILENCED));
1886 else
1887 synth_printf("%s\n", spk_msg_get(MSG_WINDOW_SILENCE_DISABLED));
1888 }
1889
1890 static void speakup_bits(struct vc_data *vc)
1891 {
1892 int val = this_speakup_key - (FIRST_EDIT_BITS - 1);
1893
1894 if (spk_special_handler != NULL || val < 1 || val > 6) {
1895 synth_printf("%s\n", spk_msg_get(MSG_ERROR));
1896 return;
1897 }
1898 pb_edit = &spk_punc_info[val];
1899 synth_printf(spk_msg_get(MSG_EDIT_PROMPT), pb_edit->name);
1900 spk_special_handler = edit_bits;
1901 }
1902
1903 static int handle_goto(struct vc_data *vc, u_char type, u_char ch, u_short key)
1904 {
1905 static u_char goto_buf[8];
1906 static int num;
1907 int maxlen;
1908 char *cp;
1909
1910 if (type == KT_SPKUP && ch == SPEAKUP_GOTO)
1911 goto do_goto;
1912 if (type == KT_LATIN && ch == '\n')
1913 goto do_goto;
1914 if (type != 0)
1915 goto oops;
1916 if (ch == 8) {
1917 if (num == 0)
1918 return -1;
1919 ch = goto_buf[--num];
1920 goto_buf[num] = '\0';
1921 spkup_write(&ch, 1);
1922 return 1;
1923 }
1924 if (ch < '+' || ch > 'y')
1925 goto oops;
1926 goto_buf[num++] = ch;
1927 goto_buf[num] = '\0';
1928 spkup_write(&ch, 1);
1929 maxlen = (*goto_buf >= '0') ? 3 : 4;
1930 if ((ch == '+' || ch == '-') && num == 1)
1931 return 1;
1932 if (ch >= '0' && ch <= '9' && num < maxlen)
1933 return 1;
1934 if (num < maxlen - 1 || num > maxlen)
1935 goto oops;
1936 if (ch < 'x' || ch > 'y') {
1937 oops:
1938 if (!spk_killed)
1939 synth_printf(" %s\n", spk_msg_get(MSG_GOTO_CANCELED));
1940 goto_buf[num = 0] = '\0';
1941 spk_special_handler = NULL;
1942 return 1;
1943 }
1944
1945 goto_pos = simple_strtoul(goto_buf, &cp, 10);
1946
1947 if (*cp == 'x') {
1948 if (*goto_buf < '0')
1949 goto_pos += spk_x;
1950 else if (goto_pos > 0)
1951 goto_pos--;
1952
1953 if (goto_pos >= vc->vc_cols)
1954 goto_pos = vc->vc_cols - 1;
1955 goto_x = 1;
1956 } else {
1957 if (*goto_buf < '0')
1958 goto_pos += spk_y;
1959 else if (goto_pos > 0)
1960 goto_pos--;
1961
1962 if (goto_pos >= vc->vc_rows)
1963 goto_pos = vc->vc_rows - 1;
1964 goto_x = 0;
1965 }
1966 goto_buf[num = 0] = '\0';
1967 do_goto:
1968 spk_special_handler = NULL;
1969 spk_parked |= 0x01;
1970 if (goto_x) {
1971 spk_pos -= spk_x * 2;
1972 spk_x = goto_pos;
1973 spk_pos += goto_pos * 2;
1974 say_word(vc);
1975 } else {
1976 spk_y = goto_pos;
1977 spk_pos = vc->vc_origin + (goto_pos * vc->vc_size_row);
1978 say_line(vc);
1979 }
1980 return 1;
1981 }
1982
1983 static void speakup_goto(struct vc_data *vc)
1984 {
1985 if (spk_special_handler != NULL) {
1986 synth_printf("%s\n", spk_msg_get(MSG_ERROR));
1987 return;
1988 }
1989 synth_printf("%s\n", spk_msg_get(MSG_GOTO));
1990 spk_special_handler = handle_goto;
1991 }
1992
1993 static void speakup_help(struct vc_data *vc)
1994 {
1995 spk_handle_help(vc, KT_SPKUP, SPEAKUP_HELP, 0);
1996 }
1997
1998 static void do_nothing(struct vc_data *vc)
1999 {
2000 return; /* flush done in do_spkup */
2001 }
2002
2003 static u_char key_speakup, spk_key_locked;
2004
2005 static void speakup_lock(struct vc_data *vc)
2006 {
2007 if (!spk_key_locked) {
2008 spk_key_locked = 16;
2009 key_speakup = 16;
2010 } else {
2011 spk_key_locked = 0;
2012 key_speakup = 0;
2013 }
2014 }
2015
2016 typedef void (*spkup_hand) (struct vc_data *);
2017 static spkup_hand spkup_handler[] = {
2018 /* must be ordered same as defines in speakup.h */
2019 do_nothing, speakup_goto, speech_kill, speakup_shut_up,
2020 speakup_cut, speakup_paste, say_first_char, say_last_char,
2021 say_char, say_prev_char, say_next_char,
2022 say_word, say_prev_word, say_next_word,
2023 say_line, say_prev_line, say_next_line,
2024 top_edge, bottom_edge, left_edge, right_edge,
2025 spell_word, spell_word, say_screen,
2026 say_position, say_attributes,
2027 speakup_off, speakup_parked, say_line, /* this is for indent */
2028 say_from_top, say_to_bottom,
2029 say_from_left, say_to_right,
2030 say_char_num, speakup_bits, speakup_bits, say_phonetic_char,
2031 speakup_bits, speakup_bits, speakup_bits,
2032 speakup_win_set, speakup_win_clear, speakup_win_enable, speakup_win_say,
2033 speakup_lock, speakup_help, toggle_cursoring, read_all_doc, NULL
2034 };
2035
2036 static void do_spkup(struct vc_data *vc, u_char value)
2037 {
2038 if (spk_killed && value != SPEECH_KILL)
2039 return;
2040 spk_keydown = 0;
2041 spk_lastkey = 0;
2042 spk_shut_up &= 0xfe;
2043 this_speakup_key = value;
2044 if (value < SPKUP_MAX_FUNC && spkup_handler[value]) {
2045 spk_do_flush();
2046 (*spkup_handler[value]) (vc);
2047 } else {
2048 if (inc_dec_var(value) < 0)
2049 bleep(9);
2050 }
2051 }
2052
2053 static const char *pad_chars = "0123456789+-*/\015,.?()";
2054
2055 static int
2056 speakup_key(struct vc_data *vc, int shift_state, int keycode, u_short keysym,
2057 int up_flag)
2058 {
2059 unsigned long flags;
2060 int kh;
2061 u_char *key_info;
2062 u_char type = KTYP(keysym), value = KVAL(keysym), new_key = 0;
2063 u_char shift_info, offset;
2064 int ret = 0;
2065
2066 if (synth == NULL)
2067 return 0;
2068
2069 spin_lock_irqsave(&speakup_info.spinlock, flags);
2070 tty = vc->port.tty;
2071 if (type >= 0xf0)
2072 type -= 0xf0;
2073 if (type == KT_PAD
2074 && (vt_get_leds(fg_console, VC_NUMLOCK))) {
2075 if (up_flag) {
2076 spk_keydown = 0;
2077 goto out;
2078 }
2079 value = spk_lastkey = pad_chars[value];
2080 spk_keydown++;
2081 spk_parked &= 0xfe;
2082 goto no_map;
2083 }
2084 if (keycode >= MAX_KEY)
2085 goto no_map;
2086 key_info = spk_our_keys[keycode];
2087 if (!key_info)
2088 goto no_map;
2089 /* Check valid read all mode keys */
2090 if ((cursor_track == read_all_mode) && (!up_flag)) {
2091 switch (value) {
2092 case KVAL(K_DOWN):
2093 case KVAL(K_UP):
2094 case KVAL(K_LEFT):
2095 case KVAL(K_RIGHT):
2096 case KVAL(K_PGUP):
2097 case KVAL(K_PGDN):
2098 break;
2099 default:
2100 stop_read_all(vc);
2101 break;
2102 }
2103 }
2104 shift_info = (shift_state & 0x0f) + key_speakup;
2105 offset = spk_shift_table[shift_info];
2106 if (offset) {
2107 new_key = key_info[offset];
2108 if (new_key) {
2109 ret = 1;
2110 if (new_key == SPK_KEY) {
2111 if (!spk_key_locked)
2112 key_speakup = (up_flag) ? 0 : 16;
2113 if (up_flag || spk_killed)
2114 goto out;
2115 spk_shut_up &= 0xfe;
2116 spk_do_flush();
2117 goto out;
2118 }
2119 if (up_flag)
2120 goto out;
2121 if (last_keycode == keycode &&
2122 time_after(last_spk_jiffy + MAX_DELAY, jiffies)) {
2123 spk_close_press = 1;
2124 offset = spk_shift_table[shift_info + 32];
2125 /* double press? */
2126 if (offset && key_info[offset])
2127 new_key = key_info[offset];
2128 }
2129 last_keycode = keycode;
2130 last_spk_jiffy = jiffies;
2131 type = KT_SPKUP;
2132 value = new_key;
2133 }
2134 }
2135 no_map:
2136 if (type == KT_SPKUP && spk_special_handler == NULL) {
2137 do_spkup(vc, new_key);
2138 spk_close_press = 0;
2139 ret = 1;
2140 goto out;
2141 }
2142 if (up_flag || spk_killed || type == KT_SHIFT)
2143 goto out;
2144 spk_shut_up &= 0xfe;
2145 kh = (value == KVAL(K_DOWN))
2146 || (value == KVAL(K_UP))
2147 || (value == KVAL(K_LEFT))
2148 || (value == KVAL(K_RIGHT));
2149 if ((cursor_track != read_all_mode) || !kh)
2150 if (!spk_no_intr)
2151 spk_do_flush();
2152 if (spk_special_handler) {
2153 if (type == KT_SPEC && value == 1) {
2154 value = '\n';
2155 type = KT_LATIN;
2156 } else if (type == KT_LETTER)
2157 type = KT_LATIN;
2158 else if (value == 0x7f)
2159 value = 8; /* make del = backspace */
2160 ret = (*spk_special_handler) (vc, type, value, keycode);
2161 spk_close_press = 0;
2162 if (ret < 0)
2163 bleep(9);
2164 goto out;
2165 }
2166 last_keycode = 0;
2167 out:
2168 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
2169 return ret;
2170 }
2171
2172 static int keyboard_notifier_call(struct notifier_block *nb,
2173 unsigned long code, void *_param)
2174 {
2175 struct keyboard_notifier_param *param = _param;
2176 struct vc_data *vc = param->vc;
2177 int up = !param->down;
2178 int ret = NOTIFY_OK;
2179 static int keycode; /* to hold the current keycode */
2180
2181 if (vc->vc_mode == KD_GRAPHICS)
2182 return ret;
2183
2184 /*
2185 * First, determine whether we are handling a fake keypress on
2186 * the current processor. If we are, then return NOTIFY_OK,
2187 * to pass the keystroke up the chain. This prevents us from
2188 * trying to take the Speakup lock while it is held by the
2189 * processor on which the simulated keystroke was generated.
2190 * Also, the simulated keystrokes should be ignored by Speakup.
2191 */
2192
2193 if (speakup_fake_key_pressed())
2194 return ret;
2195
2196 switch (code) {
2197 case KBD_KEYCODE:
2198 /* speakup requires keycode and keysym currently */
2199 keycode = param->value;
2200 break;
2201 case KBD_UNBOUND_KEYCODE:
2202 /* not used yet */
2203 break;
2204 case KBD_UNICODE:
2205 /* not used yet */
2206 break;
2207 case KBD_KEYSYM:
2208 if (speakup_key(vc, param->shift, keycode, param->value, up))
2209 ret = NOTIFY_STOP;
2210 else if (KTYP(param->value) == KT_CUR)
2211 ret = pre_handle_cursor(vc, KVAL(param->value), up);
2212 break;
2213 case KBD_POST_KEYSYM:{
2214 unsigned char type = KTYP(param->value) - 0xf0;
2215 unsigned char val = KVAL(param->value);
2216
2217 switch (type) {
2218 case KT_SHIFT:
2219 do_handle_shift(vc, val, up);
2220 break;
2221 case KT_LATIN:
2222 case KT_LETTER:
2223 do_handle_latin(vc, val, up);
2224 break;
2225 case KT_CUR:
2226 do_handle_cursor(vc, val, up);
2227 break;
2228 case KT_SPEC:
2229 do_handle_spec(vc, val, up);
2230 break;
2231 }
2232 break;
2233 }
2234 }
2235 return ret;
2236 }
2237
2238 static int vt_notifier_call(struct notifier_block *nb,
2239 unsigned long code, void *_param)
2240 {
2241 struct vt_notifier_param *param = _param;
2242 struct vc_data *vc = param->vc;
2243
2244 switch (code) {
2245 case VT_ALLOCATE:
2246 if (vc->vc_mode == KD_TEXT)
2247 speakup_allocate(vc);
2248 break;
2249 case VT_DEALLOCATE:
2250 speakup_deallocate(vc);
2251 break;
2252 case VT_WRITE:
2253 if (param->c == '\b')
2254 speakup_bs(vc);
2255 else if (param->c < 0x100) {
2256 char d = param->c;
2257
2258 speakup_con_write(vc, &d, 1);
2259 }
2260 break;
2261 case VT_UPDATE:
2262 speakup_con_update(vc);
2263 break;
2264 }
2265 return NOTIFY_OK;
2266 }
2267
2268 /* called by: module_exit() */
2269 static void __exit speakup_exit(void)
2270 {
2271 int i;
2272
2273 unregister_keyboard_notifier(&keyboard_notifier_block);
2274 unregister_vt_notifier(&vt_notifier_block);
2275 speakup_unregister_devsynth();
2276 speakup_cancel_paste();
2277 del_timer_sync(&cursor_timer);
2278 kthread_stop(speakup_task);
2279 speakup_task = NULL;
2280 mutex_lock(&spk_mutex);
2281 synth_release();
2282 mutex_unlock(&spk_mutex);
2283
2284 speakup_kobj_exit();
2285
2286 for (i = 0; i < MAX_NR_CONSOLES; i++)
2287 kfree(speakup_console[i]);
2288
2289 speakup_remove_virtual_keyboard();
2290
2291 for (i = 0; i < MAXVARS; i++)
2292 speakup_unregister_var(i);
2293
2294 for (i = 0; i < 256; i++) {
2295 if (spk_characters[i] != spk_default_chars[i])
2296 kfree(spk_characters[i]);
2297 }
2298
2299 spk_free_user_msgs();
2300 }
2301
2302 /* call by: module_init() */
2303 static int __init speakup_init(void)
2304 {
2305 int i;
2306 long err = 0;
2307 struct st_spk_t *first_console;
2308 struct vc_data *vc = vc_cons[fg_console].d;
2309 struct var_t *var;
2310
2311 /* These first few initializations cannot fail. */
2312 spk_initialize_msgs(); /* Initialize arrays for i18n. */
2313 spk_reset_default_chars();
2314 spk_reset_default_chartab();
2315 spk_strlwr(synth_name);
2316 spk_vars[0].u.n.high = vc->vc_cols;
2317 for (var = spk_vars; var->var_id != MAXVARS; var++)
2318 speakup_register_var(var);
2319 for (var = synth_time_vars;
2320 (var->var_id >= 0) && (var->var_id < MAXVARS); var++)
2321 speakup_register_var(var);
2322 for (i = 1; spk_punc_info[i].mask != 0; i++)
2323 spk_set_mask_bits(NULL, i, 2);
2324
2325 spk_set_key_info(spk_key_defaults, spk_key_buf);
2326
2327 /* From here on out, initializations can fail. */
2328 err = speakup_add_virtual_keyboard();
2329 if (err)
2330 goto error_virtkeyboard;
2331
2332 first_console = kzalloc(sizeof(*first_console), GFP_KERNEL);
2333 if (!first_console) {
2334 err = -ENOMEM;
2335 goto error_alloc;
2336 }
2337
2338 speakup_console[vc->vc_num] = first_console;
2339 speakup_date(vc);
2340
2341 for (i = 0; i < MAX_NR_CONSOLES; i++)
2342 if (vc_cons[i].d) {
2343 err = speakup_allocate(vc_cons[i].d);
2344 if (err)
2345 goto error_kobjects;
2346 }
2347
2348 if (spk_quiet_boot)
2349 spk_shut_up |= 0x01;
2350
2351 err = speakup_kobj_init();
2352 if (err)
2353 goto error_kobjects;
2354
2355 synth_init(synth_name);
2356 speakup_register_devsynth();
2357 /*
2358 * register_devsynth might fail, but this error is not fatal.
2359 * /dev/synth is an extra feature; the rest of Speakup
2360 * will work fine without it.
2361 */
2362
2363 err = register_keyboard_notifier(&keyboard_notifier_block);
2364 if (err)
2365 goto error_kbdnotifier;
2366 err = register_vt_notifier(&vt_notifier_block);
2367 if (err)
2368 goto error_vtnotifier;
2369
2370 speakup_task = kthread_create(speakup_thread, NULL, "speakup");
2371
2372 if (IS_ERR(speakup_task)) {
2373 err = PTR_ERR(speakup_task);
2374 goto error_task;
2375 }
2376
2377 set_user_nice(speakup_task, 10);
2378 wake_up_process(speakup_task);
2379
2380 pr_info("speakup %s: initialized\n", SPEAKUP_VERSION);
2381 pr_info("synth name on entry is: %s\n", synth_name);
2382 goto out;
2383
2384 error_task:
2385 unregister_vt_notifier(&vt_notifier_block);
2386
2387 error_vtnotifier:
2388 unregister_keyboard_notifier(&keyboard_notifier_block);
2389 del_timer(&cursor_timer);
2390
2391 error_kbdnotifier:
2392 speakup_unregister_devsynth();
2393 mutex_lock(&spk_mutex);
2394 synth_release();
2395 mutex_unlock(&spk_mutex);
2396 speakup_kobj_exit();
2397
2398 error_kobjects:
2399 for (i = 0; i < MAX_NR_CONSOLES; i++)
2400 kfree(speakup_console[i]);
2401
2402 error_alloc:
2403 speakup_remove_virtual_keyboard();
2404
2405 error_virtkeyboard:
2406 for (i = 0; i < MAXVARS; i++)
2407 speakup_unregister_var(i);
2408
2409 for (i = 0; i < 256; i++) {
2410 if (spk_characters[i] != spk_default_chars[i])
2411 kfree(spk_characters[i]);
2412 }
2413
2414 spk_free_user_msgs();
2415
2416 out:
2417 return err;
2418 }
2419
2420 module_init(speakup_init);
2421 module_exit(speakup_exit);
Linux kernel - Deliverables
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