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staging: lowmemorykiller: fix 2 checks that checkpatch complained
[mirror_ubuntu-artful-kernel.git] / drivers / staging / speakup / main.c
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c6e3fd22 1/* speakup.c
16d35515
WH		 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.
c6e3fd22
WH		 19*/
20
21#include <linux/kernel.h>
c6e3fd22
WH		 22#include <linux/vt.h>
23#include <linux/tty.h>
16d35515 24#include <linux/mm.h> /* __get_free_page() and friends */
c6e3fd22
WH		 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 */
16d35515 32#include <linux/kbd_kern.h> /* for vc_kbd_* and friends */
c6e3fd22
WH		 33#include <linux/input.h>
34#include <linux/kmod.h>
35
c6e3fd22
WH		 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
16d35515 46#include <linux/uaccess.h> /* copy_from|to|user() and others */
c6e3fd22
WH		 47
48#include "spk_priv.h"
49#include "speakup.h"
50
51#define MAX_DELAY msecs_to_jiffies(500)
52#define MINECHOCHAR SPACE
53
54MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
55MODULE_AUTHOR("Daniel Drake <dsd@gentoo.org>");
56MODULE_DESCRIPTION("Speakup console speech");
57MODULE_LICENSE("GPL");
58MODULE_VERSION(SPEAKUP_VERSION);
59
60char *synth_name;
61module_param_named(synth, synth_name, charp, S_IRUGO);
ca2beaf8 62module_param_named(quiet, spk_quiet_boot, bool, S_IRUGO);
c6e3fd22
WH		 63
64MODULE_PARM_DESC(synth, "Synth to start if speakup is built in.");
65MODULE_PARM_DESC(quiet, "Do not announce when the synthesizer is found.");
66
ca2beaf8 67special_func spk_special_handler;
c6e3fd22 68
ca2beaf8 69short spk_pitch_shift, synth_flags;
c6e3fd22 70static char buf[256];
ca2beaf8
ST		 71int spk_attrib_bleep, spk_bleeps, spk_bleep_time = 10;
72int spk_no_intr, spk_spell_delay;
73int spk_key_echo, spk_say_word_ctl;
74int spk_say_ctrl, spk_bell_pos;
75short spk_punc_mask;
76int spk_punc_level, spk_reading_punc;
e7027b9b
DT		 77char spk_str_caps_start[MAXVARLEN + 1] = "\0";
78char spk_str_caps_stop[MAXVARLEN + 1] = "\0";
ca2beaf8 79const struct st_bits_data spk_punc_info[] = {
16d35515
WH		 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},
ab06e0f2 88 {NULL, NULL}
c6e3fd22 89};
16d35515 90
c6e3fd22
WH		 91static char mark_cut_flag;
92#define MAX_KEY 160
0012196c
SK		 93static u_char *spk_shift_table;
94u_char *spk_our_keys[MAX_KEY];
ca2beaf8
ST		 95u_char spk_key_buf[600];
96const u_char spk_key_defaults[] = {
c6e3fd22
WH		 97#include "speakupmap.h"
98};
99
100/* Speakup Cursor Track Variables */
101static int cursor_track = 1, prev_cursor_track = 1;
102
103/* cursor track modes, must be ordered same as cursor_msgs */
104enum {
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
113static struct tty_struct *tty;
114
115static void spkup_write(const char *in_buf, int count);
116
c6e3fd22
WH		 117static char *phonetic[] = {
118 "alfa", "bravo", "charlie", "delta", "echo", "foxtrot", "golf", "hotel",
16d35515
WH		 119 "india", "juliett", "keelo", "leema", "mike", "november", "oscar",
120 "papa",
c6e3fd22
WH		 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
13d825ed
AF		 127 * /proc/speakup/characters
128 */
ca2beaf8 129char *spk_characters[256];
c6e3fd22 130
ca2beaf8 131char *spk_default_chars[256] = {
16d35515 132/*000*/ "null", "^a", "^b", "^c", "^d", "^e", "^f", "^g",
c6e3fd22
WH		 133/*008*/ "^h", "^i", "^j", "^k", "^l", "^m", "^n", "^o",
134/*016*/ "^p", "^q", "^r", "^s", "^t", "^u", "^v", "^w",
16d35515
WH		 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",
c6e3fd22
WH		 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",
16d35515
WH		 148/*089*/ "Y", "ZED", "left bracket", "backslash", "right bracket",
149 "caret",
c6e3fd22
WH		 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",
16d35515
WH		 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",
c6e3fd22 162/*160*/ "nbsp", "inverted bang",
16d35515
WH		 163/*162*/ "cents", "pounds", "currency", "yen", "broken bar", "section",
164/*168*/ "diaeresis", "copyright", "female ordinal", "double left angle",
c6e3fd22 165/*172*/ "not", "soft hyphen", "registered", "macron",
16d35515
WH		 166/*176*/ "degrees", "plus or minus", "super two", "super three",
167/*180*/ "acute accent", "micro", "pilcrow", "middle dot",
c6e3fd22 168/*184*/ "cedilla", "super one", "male ordinal", "double right angle",
16d35515
WH		 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",
c6e3fd22 177/*210*/ "O GRAVE", "O ACUTE", "O CIRCUMFLEX", "O TILDE", "O OOMLAUT",
16d35515
WH		 178/*215*/ "multiplied by", "O STROKE", "U GRAVE", "U ACUTE",
179 "U CIRCUMFLEX",
c6e3fd22
WH		 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",
16d35515
WH		 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",
c6e3fd22
WH		 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
13d825ed
AF		 194 * /sys/module/speakup/parameters/chartab
195 */
c6e3fd22
WH		 196u_short spk_chartab[256];
197
198static u_short default_chartab[256] = {
16d35515
WH		 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 */
c6e3fd22
WH		 236};
237
238struct task_struct *speakup_task;
ca2beaf8 239struct bleep spk_unprocessed_sound;
c6e3fd22
WH		 240static int spk_keydown;
241static u_char spk_lastkey, spk_close_press, keymap_flags;
242static u_char last_keycode, this_speakup_key;
243static u_long last_spk_jiffy;
244
245struct st_spk_t *speakup_console[MAX_NR_CONSOLES];
246
247DEFINE_MUTEX(spk_mutex);
248
249static int keyboard_notifier_call(struct notifier_block *,
250 unsigned long code, void *param);
251
d9f54202 252static struct notifier_block keyboard_notifier_block = {
c6e3fd22
WH		 253 .notifier_call = keyboard_notifier_call,
254};
255
256static int vt_notifier_call(struct notifier_block *,
257 unsigned long code, void *param);
258
d9f54202 259static struct notifier_block vt_notifier_block = {
c6e3fd22
WH		 260 .notifier_call = vt_notifier_call,
261};
262
88867e3d 263static unsigned char get_attributes(struct vc_data *vc, u16 *pos)
c6e3fd22 264{
88867e3d 265 pos = screen_pos(vc, pos - (u16 *)vc->vc_origin, 1);
16d35515 266 return (u_char) (scr_readw(pos) >> 8);
c6e3fd22
WH		 267}
268
269static 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;
88867e3d 275 spk_attr = get_attributes(vc, (u_short *)spk_pos);
c6e3fd22
WH		 276}
277
278static 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;
ca2beaf8 284 int time = spk_bleep_time;
8e69a811 285
16d35515 286 freq = vals[val % 12];
c6e3fd22 287 if (val > 11)
16d35515 288 freq *= (1 << (val / 12));
ca2beaf8
ST		 289 spk_unprocessed_sound.freq = freq;
290 spk_unprocessed_sound.jiffies = msecs_to_jiffies(time);
291 spk_unprocessed_sound.active = 1;
c6e3fd22
WH		 292 /* We can only have 1 active sound at a time. */
293}
294
295static 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)
ca2beaf8 303 spk_do_flush();
c6e3fd22
WH		 304}
305
306static void speech_kill(struct vc_data *vc)
307{
308 char val = synth->is_alive(synth);
8e69a811 309
c6e3fd22
WH		 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;
ca2beaf8 317 synth_printf("%s\n", spk_msg_get(MSG_IAM_ALIVE));
c6e3fd22 318 } else {
ca2beaf8 319 synth_printf("%s\n", spk_msg_get(MSG_YOU_KILLED_SPEAKUP));
c6e3fd22
WH		 320 spk_shut_up |= 0x40;
321 }
322}
323
324static void speakup_off(struct vc_data *vc)
325{
326 if (spk_shut_up & 0x80) {
327 spk_shut_up &= 0x7f;
ca2beaf8 328 synth_printf("%s\n", spk_msg_get(MSG_HEY_THATS_BETTER));
c6e3fd22
WH		 329 } else {
330 spk_shut_up |= 0x80;
ca2beaf8 331 synth_printf("%s\n", spk_msg_get(MSG_YOU_TURNED_ME_OFF));
c6e3fd22
WH		 332 }
333 speakup_date(vc);
334}
335
336static void speakup_parked(struct vc_data *vc)
337{
338 if (spk_parked & 0x80) {
339 spk_parked = 0;
ca2beaf8 340 synth_printf("%s\n", spk_msg_get(MSG_UNPARKED));
c6e3fd22
WH		 341 } else {
342 spk_parked |= 0x80;
ca2beaf8 343 synth_printf("%s\n", spk_msg_get(MSG_PARKED));
c6e3fd22
WH		 344 }
345}
346
347static 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;
ca2beaf8
ST		 354 spk_xs = (u_short) spk_x;
355 spk_ys = (u_short) spk_y;
c6e3fd22 356 spk_sel_cons = vc;
ca2beaf8 357 synth_printf("%s\n", spk_msg_get(MSG_MARK));
c6e3fd22
WH		 358 return;
359 }
ca2beaf8
ST		 360 spk_xe = (u_short) spk_x;
361 spk_ye = (u_short) spk_y;
c6e3fd22 362 mark_cut_flag = 0;
ca2beaf8 363 synth_printf("%s\n", spk_msg_get(MSG_CUT));
c6e3fd22
WH		 364
365 speakup_clear_selection();
366 ret = speakup_set_selection(tty);
367
368 switch (ret) {
369 case 0:
16d35515
WH		 370 break; /* no error */
371 case -EFAULT:
c6e3fd22
WH		 372 pr_warn("%sEFAULT\n", err_buf);
373 break;
16d35515 374 case -EINVAL:
c6e3fd22
WH		 375 pr_warn("%sEINVAL\n", err_buf);
376 break;
16d35515 377 case -ENOMEM:
c6e3fd22
WH		 378 pr_warn("%sENOMEM\n", err_buf);
379 break;
380 }
381}
382
383static void speakup_paste(struct vc_data *vc)
384{
385 if (mark_cut_flag) {
386 mark_cut_flag = 0;
ca2beaf8 387 synth_printf("%s\n", spk_msg_get(MSG_MARK_CLEARED));
c6e3fd22 388 } else {
ca2beaf8 389 synth_printf("%s\n", spk_msg_get(MSG_PASTE));
c6e3fd22
WH		 390 speakup_paste_selection(tty);
391 }
392}
393
394static void say_attributes(struct vc_data *vc)
395{
396 int fg = spk_attr & 0x0f;
397 int bg = spk_attr >> 4;
8e69a811 398
c6e3fd22 399 if (fg > 8) {
ca2beaf8 400 synth_printf("%s ", spk_msg_get(MSG_BRIGHT));
c6e3fd22
WH		 401 fg -= 8;
402 }
ca2beaf8 403 synth_printf("%s", spk_msg_get(MSG_COLORS_START + fg));
c6e3fd22 404 if (bg > 7) {
ca2beaf8 405 synth_printf(" %s ", spk_msg_get(MSG_ON_BLINKING));
c6e3fd22
WH		 406 bg -= 8;
407 } else
ca2beaf8
ST		 408 synth_printf(" %s ", spk_msg_get(MSG_ON));
409 synth_printf("%s\n", spk_msg_get(MSG_COLORS_START + bg));
c6e3fd22
WH		 410}
411
412enum {
413 edge_top = 1,
414 edge_bottom,
415 edge_left,
416 edge_right,
417 edge_quiet
418};
419
420static void announce_edge(struct vc_data *vc, int msg_id)
421{
ca2beaf8 422 if (spk_bleeps & 1)
c6e3fd22 423 bleep(spk_y);
ca2beaf8 424 if ((spk_bleeps & 2) && (msg_id < edge_quiet))
63b8ebe4
SG		 425 synth_printf("%s\n",
426 spk_msg_get(MSG_EDGE_MSGS_START + msg_id - 1));
c6e3fd22
WH		 427}
428
429static void speak_char(u_char ch)
430{
ca2beaf8
ST		 431 char *cp = spk_characters[ch];
432 struct var_t *direct = spk_get_var(DIRECT);
8e69a811 433
c6e3fd22
WH		 434 if (direct && direct->u.n.value) {
435 if (IS_CHAR(ch, B_CAP)) {
ca2beaf8
ST		 436 spk_pitch_shift++;
437 synth_printf("%s", spk_str_caps_start);
c6e3fd22
WH		 438 }
439 synth_printf("%c", ch);
440 if (IS_CHAR(ch, B_CAP))
ca2beaf8 441 synth_printf("%s", spk_str_caps_stop);
c6e3fd22
WH		 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)) {
ca2beaf8
ST		 450 spk_pitch_shift++;
451 synth_printf("%s", spk_str_caps_start);
c6e3fd22 452 synth_printf("%s", cp);
ca2beaf8 453 synth_printf("%s", spk_str_caps_stop);
c6e3fd22
WH		 454 } else {
455 if (*cp == '^') {
ca2beaf8 456 synth_printf("%s", spk_msg_get(MSG_CTRL));
c6e3fd22
WH		 457 cp++;
458 }
459 synth_printf("%s", cp);
460 }
461 synth_buffer_add(SPACE);
462}
463
69d8ba56 464static u16 get_char(struct vc_data *vc, u16 *pos, u_char *attribs)
c6e3fd22
WH		 465{
466 u16 ch = ' ';
8e69a811 467
c6e3fd22 468 if (vc && pos) {
88867e3d
ST		 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;
c6e3fd22
WH		 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
485static void say_char(struct vc_data *vc)
486{
487 u_short ch;
8e69a811 488
c6e3fd22
WH		 489 spk_old_attr = spk_attr;
490 ch = get_char(vc, (u_short *) spk_pos, &spk_attr);
491 if (spk_attr != spk_old_attr) {
ca2beaf8 492 if (spk_attrib_bleep & 1)
c6e3fd22 493 bleep(spk_y);
ca2beaf8 494 if (spk_attrib_bleep & 2)
c6e3fd22
WH		 495 say_attributes(vc);
496 }
497 speak_char(ch & 0xff);
498}
499
500static void say_phonetic_char(struct vc_data *vc)
501{
502 u_short ch;
8e69a811 503
c6e3fd22
WH		 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))
ca2beaf8 511 synth_printf("%s ", spk_msg_get(MSG_NUMBER));
c6e3fd22
WH		 512 speak_char(ch);
513 }
514}
515
516static 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
528static 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
ca2beaf8
ST		 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
16d35515
WH		 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
13d825ed
AF		 546 * beginning off the line whichever comes first..
547 */
c6e3fd22
WH		 548
549static 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;
8e69a811 555
c6e3fd22 556 spk_old_attr = spk_attr;
16d35515 557 ch = (char)get_char(vc, (u_short *) tmp_pos, &temp);
c6e3fd22
WH		 558
559/* decided to take out the sayword if on a space (mis-information */
ca2beaf8 560 if (spk_say_word_ctl && ch == SPACE) {
c6e3fd22 561 *buf = '\0';
ca2beaf8 562 synth_printf("%s\n", spk_msg_get(MSG_SPACE));
c6e3fd22
WH		 563 return 0;
564 } else if ((tmpx < vc->vc_cols - 2)
565 && (ch == SPACE || ch == 0 || IS_WDLM(ch))
16d35515
WH		 566 && ((char)get_char(vc, (u_short *) &tmp_pos + 1, &temp) >
567 SPACE)) {
c6e3fd22
WH		 568 tmp_pos += 2;
569 tmpx++;
570 } else
571 while (tmpx > 0) {
16d35515 572 ch = (char)get_char(vc, (u_short *) tmp_pos - 1, &temp);
c6e3fd22 573 if ((ch == SPACE || ch == 0 || IS_WDLM(ch))
16d35515
WH		 574 && ((char)get_char(vc, (u_short *) tmp_pos, &temp) >
575 SPACE))
c6e3fd22
WH		 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++;
16d35515
WH		 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)))
c6e3fd22
WH		 588 break;
589 buf[cnt++] = ch;
590 }
591 buf[cnt] = '\0';
592 return cnt;
593}
594
595static void say_word(struct vc_data *vc)
596{
597 u_long cnt = get_word(vc);
ca2beaf8 598 u_short saved_punc_mask = spk_punc_mask;
8e69a811 599
c6e3fd22
WH		 600 if (cnt == 0)
601 return;
ca2beaf8 602 spk_punc_mask = PUNC;
c6e3fd22
WH		 603 buf[cnt++] = SPACE;
604 spkup_write(buf, cnt);
ca2beaf8 605 spk_punc_mask = saved_punc_mask;
c6e3fd22
WH		 606}
607
608static 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;
8e69a811 613
c6e3fd22
WH		 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--;
16d35515
WH		 639 spk_pos -= 2;
640 ch = (char)get_char(vc, (u_short *) spk_pos, &temp);
c6e3fd22
WH		 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
661static 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;
c6e3fd22 666
8e69a811 667 spk_parked |= 0x01;
c6e3fd22
WH		 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) {
16d35515 673 ch = (char)get_char(vc, (u_short *) spk_pos, &temp);
c6e3fd22
WH		 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
701static void spell_word(struct vc_data *vc)
702{
0f709488 703 static char const *delay_str[] = { "", ",", ".", ". .", ". . ." };
ca2beaf8
ST		 704 char *cp = buf, *str_cap = spk_str_caps_stop;
705 char *cp1, *last_cap = spk_str_caps_stop;
c6e3fd22 706 u_char ch;
8e69a811 707
c6e3fd22
WH		 708 if (!get_word(vc))
709 return;
710 while ((ch = (u_char) *cp)) {
711 if (cp != buf)
ca2beaf8 712 synth_printf(" %s ", delay_str[spk_spell_delay]);
c6e3fd22 713 if (IS_CHAR(ch, B_CAP)) {
ca2beaf8
ST		 714 str_cap = spk_str_caps_start;
715 if (*spk_str_caps_stop)
716 spk_pitch_shift++;
16d35515 717 else /* synth has no pitch */
ca2beaf8 718 last_cap = spk_str_caps_stop;
c6e3fd22 719 } else
ca2beaf8 720 str_cap = spk_str_caps_stop;
c6e3fd22
WH		 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 {
ca2beaf8 730 cp1 = spk_characters[ch];
c6e3fd22 731 if (*cp1 == '^') {
ca2beaf8 732 synth_printf("%s", spk_msg_get(MSG_CTRL));
c6e3fd22
WH		 733 cp1++;
734 }
735 }
736 synth_printf("%s", cp1);
737 cp++;
738 }
ca2beaf8
ST		 739 if (str_cap != spk_str_caps_stop)
740 synth_printf("%s", spk_str_caps_stop);
c6e3fd22
WH		 741}
742
743static 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;
88867e3d 750 spk_attr = get_attributes(vc, (u_short *)spk_pos);
c6e3fd22
WH		 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
761static void say_line(struct vc_data *vc)
762{
763 int i = get_line(vc);
764 char *cp;
ca2beaf8 765 u_short saved_punc_mask = spk_punc_mask;
8e69a811 766
c6e3fd22 767 if (i == 0) {
ca2beaf8 768 synth_printf("%s\n", spk_msg_get(MSG_BLANK));
c6e3fd22
WH		 769 return;
770 }
771 buf[i++] = '\n';
772 if (this_speakup_key == SAY_LINE_INDENT) {
16d35515
WH		 773 cp = buf;
774 while (*cp == SPACE)
775 cp++;
c6e3fd22
WH		 776 synth_printf("%d, ", (cp - buf) + 1);
777 }
ca2beaf8 778 spk_punc_mask = spk_punc_masks[spk_reading_punc];
c6e3fd22 779 spkup_write(buf, i);
ca2beaf8 780 spk_punc_mask = saved_punc_mask;
c6e3fd22
WH		 781}
782
783static 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
795static 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
807static 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;
ca2beaf8 812 u_short saved_punc_mask = spk_punc_mask;
8e69a811 813
c6e3fd22 814 spk_old_attr = spk_attr;
88867e3d 815 spk_attr = get_attributes(vc, (u_short *)from);
c6e3fd22 816 while (from < to) {
16d35515 817 buf[i++] = (char)get_char(vc, (u_short *) from, &tmp);
c6e3fd22
WH		 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)
ca2beaf8 830 spk_punc_mask = spk_punc_info[spk_reading_punc].mask;
c6e3fd22
WH		 831 spkup_write(buf, i);
832 if (read_punc)
ca2beaf8 833 spk_punc_mask = saved_punc_mask;
c6e3fd22
WH		 834 return i - 1;
835}
836
837static 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);
8e69a811 842
c6e3fd22
WH		 843 start += from * 2;
844 if (say_from_to(vc, start, end, read_punc) <= 0)
845 if (cursor_track != read_all_mode)
ca2beaf8 846 synth_printf("%s\n", spk_msg_get(MSG_BLANK));
c6e3fd22
WH		 847}
848
849/* Sentence Reading Commands */
850
c6e3fd22
WH		 851static int currsentence;
852static int numsentences[2];
853static char *sentbufend[2];
854static char *sentmarks[2][10];
855static int currbuf;
856static int bn;
857static char sentbuf[2][256];
858
16d35515 859static int say_sentence_num(int num, int prev)
c6e3fd22
WH		 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
873static 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);
16d35515 884 end = vc->vc_origin + ((spk_y) * vc->vc_size_row) + vc->vc_cols * 2;
c6e3fd22
WH		 885
886 numsentences[bn] = 0;
887 sentmarks[bn][0] = &sentbuf[bn][0];
888 i = 0;
889 spk_old_attr = spk_attr;
88867e3d 890 spk_attr = get_attributes(vc, (u_short *)start);
c6e3fd22
WH		 891
892 while (start < end) {
16d35515 893 sentbuf[bn][i] = (char)get_char(vc, (u_short *) start, &tmp);
c6e3fd22 894 if (i > 0) {
16d35515 895 if (sentbuf[bn][i] == SPACE && sentbuf[bn][i - 1] == '.'
c6e3fd22
WH		 896 && numsentences[bn] < 9) {
897 /* Sentence Marker */
898 numsentences[bn]++;
899 sentmarks[bn][numsentences[bn]] =
16d35515 900 &sentbuf[bn][i];
c6e3fd22
WH		 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
923static void say_screen_from_to(struct vc_data *vc, u_long from, u_long to)
924{
925 u_long start = vc->vc_origin, end;
8e69a811 926
c6e3fd22
WH		 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
938static void say_screen(struct vc_data *vc)
939{
940 say_screen_from_to(vc, 0, vc->vc_rows);
941}
942
943static void speakup_win_say(struct vc_data *vc)
944{
945 u_long start, end, from, to;
8e69a811 946
c6e3fd22 947 if (win_start < 2) {
ca2beaf8 948 synth_printf("%s\n", spk_msg_get(MSG_NO_WINDOW));
c6e3fd22
WH		 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
961static 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
969static 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
977static 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
985static 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
993static void say_first_char(struct vc_data *vc)
994{
995 int i, len = get_line(vc);
996 u_char ch;
8e69a811 997
c6e3fd22
WH		 998 spk_parked |= 0x01;
999 if (len == 0) {
ca2beaf8 1000 synth_printf("%s\n", spk_msg_get(MSG_BLANK));
c6e3fd22
WH		 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
1013static void say_last_char(struct vc_data *vc)
1014{
1015 int len = get_line(vc);
1016 u_char ch;
8e69a811 1017
c6e3fd22
WH		 1018 spk_parked |= 0x01;
1019 if (len == 0) {
ca2beaf8 1020 synth_printf("%s\n", spk_msg_get(MSG_BLANK));
c6e3fd22
WH		 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
1030static void say_position(struct vc_data *vc)
1031{
ca2beaf8 1032 synth_printf(spk_msg_get(MSG_POS_INFO), spk_y + 1, spk_x + 1,
16d35515 1033 vc->vc_num + 1);
c6e3fd22
WH		 1034 synth_printf("\n");
1035}
1036
1037/* Added by brianb */
1038static 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);
8e69a811 1042
c6e3fd22 1043 ch &= 0xff;
ca2beaf8 1044 synth_printf(spk_msg_get(MSG_CHAR_INFO), ch, ch);
c6e3fd22
WH		 1045}
1046
1047/* these are stub functions to keep keyboard.c happy. */
1048
1049static void say_from_top(struct vc_data *vc)
1050{
1051 say_screen_from_to(vc, 0, spk_y);
1052}
1053
1054static void say_to_bottom(struct vc_data *vc)
1055{
1056 say_screen_from_to(vc, spk_y, vc->vc_rows);
1057}
1058
1059static void say_from_left(struct vc_data *vc)
1060{
1061 say_line_from_to(vc, 0, spk_x, 1);
1062}
1063
1064static 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
1071static void spkup_write(const char *in_buf, int count)
1072{
16d35515 1073 static int rep_count;
c6e3fd22 1074 static u_char ch = '\0', old_ch = '\0';
16d35515 1075 static u_short char_type, last_type;
c6e3fd22 1076 int in_count = count;
8e69a811 1077
c6e3fd22
WH		 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]) &&
16d35515 1083 (currsentence <= numsentences[bn]))
c6e3fd22
WH		 1084 synth_insert_next_index(currsentence++);
1085 }
16d35515 1086 ch = (u_char) *in_buf++;
c6e3fd22 1087 char_type = spk_chartab[ch];
16d35515 1088 if (ch == old_ch && !(char_type & B_NUM)) {
c6e3fd22
WH		 1089 if (++rep_count > 2)
1090 continue;
1091 } else {
16d35515 1092 if ((last_type & CH_RPT) && rep_count > 2) {
c6e3fd22 1093 synth_printf(" ");
ca2beaf8 1094 synth_printf(spk_msg_get(MSG_REPEAT_DESC),
16d35515 1095 ++rep_count);
c6e3fd22
WH		 1096 synth_printf(" ");
1097 }
1098 rep_count = 0;
1099 }
1100 if (ch == spk_lastkey) {
1101 rep_count = 0;
ca2beaf8 1102 if (spk_key_echo == 1 && ch >= MINECHOCHAR)
c6e3fd22
WH		 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);
ca2beaf8 1111 } else if (char_type & spk_punc_mask) {
c6e3fd22 1112 speak_char(ch);
16d35515
WH		 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
13d825ed
AF		 1120 * repeats on you don't get nothing repeated count
1121 */
c6e3fd22
WH		 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) {
16d35515 1138 if (last_type & CH_RPT) {
c6e3fd22 1139 synth_printf(" ");
63b8ebe4
SG		 1140 synth_printf(spk_msg_get(MSG_REPEAT_DESC2),
1141 ++rep_count);
c6e3fd22
WH		 1142 synth_printf(" ");
1143 }
1144 rep_count = 0;
1145 }
1146}
1147
1148static const int NUM_CTL_LABELS = (MSG_CTL_END - MSG_CTL_START + 1);
1149
1150static void read_all_doc(struct vc_data *vc);
1151static void cursor_done(u_long data);
1152static DEFINE_TIMER(cursor_timer, cursor_done, 0, 0);
1153
1154static void do_handle_shift(struct vc_data *vc, u_char value, char up_flag)
1155{
1156 unsigned long flags;
8e69a811 1157
c6e3fd22
WH		 1158 if (synth == NULL || up_flag || spk_killed)
1159 return;
3efe810f 1160 spin_lock_irqsave(&speakup_info.spinlock, flags);
c6e3fd22
WH		 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;
ca2beaf8 1166 spk_do_flush();
c6e3fd22
WH		 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;
ca2beaf8 1173 spk_do_flush();
c6e3fd22
WH		 1174 break;
1175 }
1176 } else {
1177 spk_shut_up &= 0xfe;
ca2beaf8 1178 spk_do_flush();
c6e3fd22 1179 }
ca2beaf8
ST		 1180 if (spk_say_ctrl && value < NUM_CTL_LABELS)
1181 synth_printf("%s", spk_msg_get(MSG_CTL_START + value));
3efe810f 1182 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22
WH		 1183}
1184
1185static void do_handle_latin(struct vc_data *vc, u_char value, char up_flag)
1186{
1187 unsigned long flags;
8e69a811 1188
3efe810f 1189 spin_lock_irqsave(&speakup_info.spinlock, flags);
c6e3fd22 1190 if (up_flag) {
cd95ed98
AS		 1191 spk_lastkey = 0;
1192 spk_keydown = 0;
3efe810f 1193 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22
WH		 1194 return;
1195 }
1196 if (synth == NULL || spk_killed) {
3efe810f 1197 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22
WH		 1198 return;
1199 }
1200 spk_shut_up &= 0xfe;
1201 spk_lastkey = value;
1202 spk_keydown++;
1203 spk_parked &= 0xfe;
ca2beaf8 1204 if (spk_key_echo == 2 && value >= MINECHOCHAR)
c6e3fd22 1205 speak_char(value);
3efe810f 1206 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22
WH		 1207}
1208
ca2beaf8 1209int spk_set_key_info(const u_char *key_info, u_char *k_buffer)
c6e3fd22
WH		 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;
8e69a811 1215
c6e3fd22
WH		 1216 version = *cp++;
1217 if (version != KEY_MAP_VER)
1218 return -1;
1219 num_keys = *cp;
16d35515 1220 states = (int)cp[1];
c6e3fd22 1221 key_data_len = (states + 1) * (num_keys + 1);
ca2beaf8 1222 if (key_data_len + SHIFT_TBL_SIZE + 4 >= sizeof(spk_key_buf))
c6e3fd22
WH		 1223 return -2;
1224 memset(k_buffer, 0, SHIFT_TBL_SIZE);
ca2beaf8
ST		 1225 memset(spk_our_keys, 0, sizeof(spk_our_keys));
1226 spk_shift_table = k_buffer;
1227 spk_our_keys[0] = spk_shift_table;
c6e3fd22
WH		 1228 cp1 += SHIFT_TBL_SIZE;
1229 memcpy(cp1, cp, key_data_len + 3);
16d35515
WH		 1230 /* get num_keys, states and data */
1231 cp1 += 2; /* now pointing at shift states */
c6e3fd22
WH		 1232 for (i = 1; i <= states; i++) {
1233 ch = *cp1++;
1234 if (ch >= SHIFT_TBL_SIZE)
1235 return -3;
ca2beaf8 1236 spk_shift_table[ch] = i;
c6e3fd22
WH		 1237 }
1238 keymap_flags = *cp1++;
1239 while ((ch = *cp1)) {
1240 if (ch >= MAX_KEY)
1241 return -4;
ca2beaf8 1242 spk_our_keys[ch] = cp1;
c6e3fd22
WH		 1243 cp1 += states + 1;
1244 }
1245 return 0;
1246}
1247
1248static struct var_t spk_vars[] = {
1249 /* bell must be first to set high limit */
16d35515
WH		 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} },
c6e3fd22
WH		 1262 V_LAST_VAR
1263};
1264
c6e3fd22
WH		 1265static 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;
ca2beaf8 1271 synth_printf("%s\n", spk_msg_get(MSG_CURSOR_MSGS_START + cursor_track));
c6e3fd22
WH		 1272}
1273
ca2beaf8 1274void spk_reset_default_chars(void)
c6e3fd22
WH		 1275{
1276 int i;
1277
1278 /* First, free any non-default */
1279 for (i = 0; i < 256; i++) {
ca2beaf8
ST		 1280 if ((spk_characters[i] != NULL)
1281 && (spk_characters[i] != spk_default_chars[i]))
1282 kfree(spk_characters[i]);
c6e3fd22
WH		 1283 }
1284
ca2beaf8 1285 memcpy(spk_characters, spk_default_chars, sizeof(spk_default_chars));
c6e3fd22
WH		 1286}
1287
ca2beaf8 1288void spk_reset_default_chartab(void)
c6e3fd22
WH		 1289{
1290 memcpy(spk_chartab, default_chartab, sizeof(default_chartab));
1291}
1292
16d35515 1293static const struct st_bits_data *pb_edit;
c6e3fd22
WH		 1294
1295static 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];
8e69a811 1298
16d35515 1299 if (type != KT_LATIN || (ch_type & B_NUM) || ch < SPACE)
c6e3fd22
WH		 1300 return -1;
1301 if (ch == SPACE) {
ca2beaf8
ST		 1302 synth_printf("%s\n", spk_msg_get(MSG_EDIT_DONE));
1303 spk_special_handler = NULL;
c6e3fd22
WH		 1304 return 1;
1305 }
16d35515 1306 if (mask < PUNC && !(ch_type & PUNC))
c6e3fd22
WH		 1307 return -1;
1308 spk_chartab[ch] ^= mask;
1309 speak_char(ch);
1310 synth_printf(" %s\n",
ca2beaf8
ST		 1311 (spk_chartab[ch] & mask) ? spk_msg_get(MSG_ON) :
1312 spk_msg_get(MSG_OFF));
c6e3fd22
WH		 1313 return 1;
1314}
1315
1316/* Allocation concurrency is protected by the console semaphore */
0012196c 1317static int speakup_allocate(struct vc_data *vc)
c6e3fd22
WH		 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]),
16d35515 1324 GFP_ATOMIC);
c6e3fd22 1325 if (speakup_console[vc_num] == NULL)
628f3428 1326 return -ENOMEM;
c6e3fd22
WH		 1327 speakup_date(vc);
1328 } else if (!spk_parked)
1329 speakup_date(vc);
628f3428
CB		 1330
1331 return 0;
c6e3fd22
WH		 1332}
1333
0012196c 1334static void speakup_deallocate(struct vc_data *vc)
c6e3fd22
WH		 1335{
1336 int vc_num;
1337
1338 vc_num = vc->vc_num;
39dd3e5d
IM		 1339 kfree(speakup_console[vc_num]);
1340 speakup_console[vc_num] = NULL;
c6e3fd22
WH		 1341}
1342
1343static u_char is_cursor;
1344static u_long old_cursor_pos, old_cursor_x, old_cursor_y;
1345static int cursor_con;
1346
1347static void reset_highlight_buffers(struct vc_data *);
1348
1349static int read_all_key;
1350
c6e3fd22
WH		 1351static void start_read_all_timer(struct vc_data *vc, int command);
1352
1353enum {
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
16d35515 1365static void kbd_fakekey2(struct vc_data *vc, int command)
c6e3fd22
WH		 1366{
1367 del_timer(&cursor_timer);
1368 speakup_fake_down_arrow();
1369 start_read_all_timer(vc, command);
1370}
1371
16d35515 1372static void read_all_doc(struct vc_data *vc)
c6e3fd22
WH		 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;
ca2beaf8 1381 spk_reset_index_count(0);
c6e3fd22
WH		 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
16d35515 1391static void stop_read_all(struct vc_data *vc)
c6e3fd22
WH		 1392{
1393 del_timer(&cursor_timer);
1394 cursor_track = prev_cursor_track;
1395 spk_shut_up &= 0xfe;
ca2beaf8 1396 spk_do_flush();
c6e3fd22
WH		 1397}
1398
16d35515 1399static void start_read_all_timer(struct vc_data *vc, int command)
c6e3fd22
WH		 1400{
1401 struct var_t *cursor_timeout;
1402
1403 cursor_con = vc->vc_num;
1404 read_all_key = command;
ca2beaf8 1405 cursor_timeout = spk_get_var(CURSOR_TIME);
16d35515
WH		 1406 mod_timer(&cursor_timer,
1407 jiffies + msecs_to_jiffies(cursor_timeout->u.n.value));
c6e3fd22
WH		 1408}
1409
16d35515 1410static void handle_cursor_read_all(struct vc_data *vc, int command)
c6e3fd22
WH		 1411{
1412 int indcount, sentcount, rv, sn;
1413
1414 switch (command) {
1415 case RA_NEXT_SENT:
1416 /* Get Current Sentence */
ca2beaf8 1417 spk_get_index_count(&indcount, &sentcount);
c6e3fd22 1418 /*printk("%d %d ", indcount, sentcount); */
ca2beaf8 1419 spk_reset_index_count(sentcount + 1);
c6e3fd22 1420 if (indcount == 1) {
16d35515 1421 if (!say_sentence_num(sentcount + 1, 0)) {
c6e3fd22
WH		 1422 kbd_fakekey2(vc, RA_FIND_NEXT_SENT);
1423 return;
1424 }
1425 synth_insert_next_index(0);
1426 } else {
1427 sn = 0;
16d35515 1428 if (!say_sentence_num(sentcount + 1, 1)) {
c6e3fd22 1429 sn = 1;
ca2beaf8 1430 spk_reset_index_count(sn);
c6e3fd22
WH		 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:
ca2beaf8 1472 spk_get_index_count(&indcount, &sentcount);
c6e3fd22
WH		 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
1481static int pre_handle_cursor(struct vc_data *vc, u_char value, char up_flag)
1482{
1483 unsigned long flags;
8e69a811 1484
3efe810f 1485 spin_lock_irqsave(&speakup_info.spinlock, flags);
c6e3fd22
WH		 1486 if (cursor_track == read_all_mode) {
1487 spk_parked &= 0xfe;
1488 if (synth == NULL || up_flag || spk_shut_up) {
3efe810f 1489 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22
WH		 1490 return NOTIFY_STOP;
1491 }
1492 del_timer(&cursor_timer);
1493 spk_shut_up &= 0xfe;
ca2beaf8 1494 spk_do_flush();
16d35515 1495 start_read_all_timer(vc, value + 1);
3efe810f 1496 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22
WH		 1497 return NOTIFY_STOP;
1498 }
3efe810f 1499 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22
WH		 1500 return NOTIFY_OK;
1501}
1502
1503static 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
3efe810f 1508 spin_lock_irqsave(&speakup_info.spinlock, flags);
c6e3fd22
WH		 1509 spk_parked &= 0xfe;
1510 if (synth == NULL || up_flag || spk_shut_up || cursor_track == CT_Off) {
3efe810f 1511 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22
WH		 1512 return;
1513 }
1514 spk_shut_up &= 0xfe;
ca2beaf8
ST		 1515 if (spk_no_intr)
1516 spk_do_flush();
c6e3fd22 1517/* the key press flushes if !no_inter but we want to flush on cursor
13d825ed
AF		 1518 * moves regardless of no_inter state
1519 */
c6e3fd22
WH		 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);
ca2beaf8 1528 cursor_timeout = spk_get_var(CURSOR_TIME);
16d35515
WH		 1529 mod_timer(&cursor_timer,
1530 jiffies + msecs_to_jiffies(cursor_timeout->u.n.value));
3efe810f 1531 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22
WH		 1532}
1533
16d35515 1534static void update_color_buffer(struct vc_data *vc, const char *ic, int len)
c6e3fd22
WH		 1535{
1536 int i, bi, hi;
1537 int vc_num = vc->vc_num;
1538
6de3f58b 1539 bi = (vc->vc_attr & 0x70) >> 4;
c6e3fd22
WH		 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)) {
16d35515
WH		 1553 if (speakup_console[vc_num]->ht.highbuf[bi][hi - 1] !=
1554 32) {
c6e3fd22 1555 speakup_console[vc_num]->ht.highbuf[bi][hi] =
16d35515 1556 ic[i];
c6e3fd22
WH		 1557 hi++;
1558 }
1559 }
1560 i++;
1561 }
1562 speakup_console[vc_num]->ht.highsize[bi] = hi;
1563}
1564
16d35515 1565static void reset_highlight_buffers(struct vc_data *vc)
c6e3fd22
WH		 1566{
1567 int i;
1568 int vc_num = vc->vc_num;
8e69a811 1569
16d35515 1570 for (i = 0; i < 8; i++)
c6e3fd22
WH		 1571 speakup_console[vc_num]->ht.highsize[i] = 0;
1572}
1573
16d35515 1574static int count_highlight_color(struct vc_data *vc)
c6e3fd22
WH		 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++) {
16d35515 1586 u16 *end = start + vc->vc_cols * 2;
c6e3fd22 1587 u16 *ptr;
8e69a811 1588
c6e3fd22 1589 for (ptr = start; ptr < end; ptr++) {
88867e3d 1590 ch = get_attributes(vc, ptr);
c6e3fd22
WH		 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
16d35515 1604static int get_highlight_color(struct vc_data *vc)
c6e3fd22
WH		 1605{
1606 int i, j;
590aeb17 1607 unsigned int cptr[8];
c6e3fd22
WH		 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]] >
590aeb17
FF		 1616 speakup_console[vc_num]->ht.bgcount[cptr[j]])
1617 swap(cptr[i], cptr[j]);
c6e3fd22
WH		 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
16d35515 1626static int speak_highlight(struct vc_data *vc)
c6e3fd22
WH		 1627{
1628 int hc, d;
1629 int vc_num = vc->vc_num;
8e69a811 1630
c6e3fd22
WH		 1631 if (count_highlight_color(vc) == 1)
1632 return 0;
1633 hc = get_highlight_color(vc);
1634 if (hc != -1) {
16d35515 1635 d = vc->vc_y - speakup_console[vc_num]->ht.cy;
c6e3fd22
WH		 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;
ca2beaf8 1640 spk_do_flush();
c6e3fd22 1641 spkup_write(speakup_console[vc_num]->ht.highbuf[hc],
16d35515 1642 speakup_console[vc_num]->ht.highsize[hc]);
c6e3fd22
WH		 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
16d35515 1651static void cursor_done(u_long data)
c6e3fd22
WH		 1652{
1653 struct vc_data *vc = vc_cons[cursor_con].d;
1654 unsigned long flags;
8e69a811 1655
c6e3fd22 1656 del_timer(&cursor_timer);
3efe810f 1657 spin_lock_irqsave(&speakup_info.spinlock, flags);
c6e3fd22
WH		 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 &&
16d35515 1665 vc->vc_y >= win_top && vc->vc_y <= win_bottom) {
cd95ed98
AS		 1666 spk_keydown = 0;
1667 is_cursor = 0;
c6e3fd22
WH		 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)) {
cd95ed98
AS		 1677 spk_keydown = 0;
1678 is_cursor = 0;
c6e3fd22
WH		 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);
cd95ed98
AS		 1688 spk_keydown = 0;
1689 is_cursor = 0;
c6e3fd22 1690out:
3efe810f 1691 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22
WH		 1692}
1693
1694/* called by: vt_notifier_call() */
1695static void speakup_bs(struct vc_data *vc)
1696{
1697 unsigned long flags;
8e69a811 1698
c6e3fd22
WH		 1699 if (!speakup_console[vc->vc_num])
1700 return;
3efe810f 1701 if (!spin_trylock_irqsave(&speakup_info.spinlock, flags))
c6e3fd22
WH		 1702 /* Speakup output, discard */
1703 return;
1704 if (!spk_parked)
1705 speakup_date(vc);
1706 if (spk_shut_up || synth == NULL) {
3efe810f 1707 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22
WH		 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 }
3efe810f 1715 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22
WH		 1716}
1717
1718/* called by: vt_notifier_call() */
1719static void speakup_con_write(struct vc_data *vc, const char *str, int len)
1720{
1721 unsigned long flags;
8e69a811 1722
c6e3fd22
WH		 1723 if ((vc->vc_num != fg_console) || spk_shut_up || synth == NULL)
1724 return;
3efe810f 1725 if (!spin_trylock_irqsave(&speakup_info.spinlock, flags))
c6e3fd22
WH		 1726 /* Speakup output, discard */
1727 return;
ca2beaf8 1728 if (spk_bell_pos && spk_keydown && (vc->vc_x == spk_bell_pos - 1))
c6e3fd22
WH		 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);
3efe810f 1733 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22
WH		 1734 return;
1735 }
1736 if (win_enabled) {
1737 if (vc->vc_x >= win_left && vc->vc_x <= win_right &&
16d35515 1738 vc->vc_y >= win_top && vc->vc_y <= win_bottom) {
3efe810f 1739 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22
WH		 1740 return;
1741 }
1742 }
1743
1744 spkup_write(str, len);
3efe810f 1745 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22
WH		 1746}
1747
0012196c 1748static void speakup_con_update(struct vc_data *vc)
c6e3fd22
WH		 1749{
1750 unsigned long flags;
8e69a811 1751
c6e3fd22
WH		 1752 if (speakup_console[vc->vc_num] == NULL || spk_parked)
1753 return;
3efe810f 1754 if (!spin_trylock_irqsave(&speakup_info.spinlock, flags))
c6e3fd22
WH		 1755 /* Speakup output, discard */
1756 return;
1757 speakup_date(vc);
3efe810f 1758 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22
WH		 1759}
1760
1761static 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;
8e69a811 1766
c6e3fd22
WH		 1767 if (synth == NULL || up_flag || spk_killed)
1768 return;
3efe810f 1769 spin_lock_irqsave(&speakup_info.spinlock, flags);
c6e3fd22 1770 spk_shut_up &= 0xfe;
ca2beaf8
ST		 1771 if (spk_no_intr)
1772 spk_do_flush();
c6e3fd22
WH		 1773 switch (value) {
1774 case KVAL(K_CAPS):
ca2beaf8 1775 label = spk_msg_get(MSG_KEYNAME_CAPSLOCK);
079c9534 1776 on_off = vt_get_leds(fg_console, VC_CAPSLOCK);
c6e3fd22
WH		 1777 break;
1778 case KVAL(K_NUM):
ca2beaf8 1779 label = spk_msg_get(MSG_KEYNAME_NUMLOCK);
079c9534 1780 on_off = vt_get_leds(fg_console, VC_NUMLOCK);
c6e3fd22
WH		 1781 break;
1782 case KVAL(K_HOLD):
ca2beaf8 1783 label = spk_msg_get(MSG_KEYNAME_SCROLLLOCK);
079c9534 1784 on_off = vt_get_leds(fg_console, VC_SCROLLOCK);
c6e3fd22
WH		 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;
3efe810f 1790 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22
WH		 1791 return;
1792 }
1793 if (on_off < 2)
1794 synth_printf("%s %s\n",
ca2beaf8 1795 label, spk_msg_get(MSG_STATUS_START + on_off));
3efe810f 1796 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22
WH		 1797}
1798
16d35515 1799static int inc_dec_var(u_char value)
c6e3fd22
WH		 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;
16d35515 1807 int how = (var_id & 1) ? E_INC : E_DEC;
8e69a811 1808
16d35515 1809 var_id = var_id / 2 + FIRST_SET_VAR;
ca2beaf8 1810 p_header = spk_get_var_header(var_id);
c6e3fd22
WH		 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;
ca2beaf8 1816 if (spk_set_num_var(1, p_header, how) != 0)
c6e3fd22
WH		 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 ",
16d35515 1827 var_data->u.n.value);
c6e3fd22
WH		 1828 synth_printf("%s", num_buf);
1829 return 0;
1830}
1831
16d35515 1832static void speakup_win_set(struct vc_data *vc)
c6e3fd22
WH		 1833{
1834 char info[40];
8e69a811 1835
c6e3fd22 1836 if (win_start > 1) {
ca2beaf8 1837 synth_printf("%s\n", spk_msg_get(MSG_WINDOW_ALREADY_SET));
c6e3fd22
WH		 1838 return;
1839 }
1840 if (spk_x < win_left || spk_y < win_top) {
ca2beaf8 1841 synth_printf("%s\n", spk_msg_get(MSG_END_BEFORE_START));
c6e3fd22
WH		 1842 return;
1843 }
1844 if (win_start && spk_x == win_left && spk_y == win_top) {
1845 win_left = 0;
16d35515 1846 win_right = vc->vc_cols - 1;
c6e3fd22 1847 win_bottom = spk_y;
ca2beaf8 1848 snprintf(info, sizeof(info), spk_msg_get(MSG_WINDOW_LINE),
16d35515 1849 (int)win_top + 1);
c6e3fd22
WH		 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 }
ca2beaf8 1858 snprintf(info, sizeof(info), spk_msg_get(MSG_WINDOW_BOUNDARY),
63b8ebe4
SG		 1859 (win_start) ?
1860 spk_msg_get(MSG_END) : spk_msg_get(MSG_START),
16d35515 1861 (int)spk_y + 1, (int)spk_x + 1);
c6e3fd22
WH		 1862 }
1863 synth_printf("%s\n", info);
1864 win_start++;
1865}
1866
16d35515 1867static void speakup_win_clear(struct vc_data *vc)
c6e3fd22 1868{
cd95ed98
AS		 1869 win_top = 0;
1870 win_bottom = 0;
1871 win_left = 0;
1872 win_right = 0;
c6e3fd22 1873 win_start = 0;
ca2beaf8 1874 synth_printf("%s\n", spk_msg_get(MSG_WINDOW_CLEARED));
c6e3fd22
WH		 1875}
1876
16d35515 1877static void speakup_win_enable(struct vc_data *vc)
c6e3fd22
WH		 1878{
1879 if (win_start < 2) {
ca2beaf8 1880 synth_printf("%s\n", spk_msg_get(MSG_NO_WINDOW));
c6e3fd22
WH		 1881 return;
1882 }
1883 win_enabled ^= 1;
1884 if (win_enabled)
ca2beaf8 1885 synth_printf("%s\n", spk_msg_get(MSG_WINDOW_SILENCED));
c6e3fd22 1886 else
ca2beaf8 1887 synth_printf("%s\n", spk_msg_get(MSG_WINDOW_SILENCE_DISABLED));
c6e3fd22
WH		 1888}
1889
16d35515 1890static void speakup_bits(struct vc_data *vc)
c6e3fd22
WH		 1891{
1892 int val = this_speakup_key - (FIRST_EDIT_BITS - 1);
8e69a811 1893
ca2beaf8
ST		 1894 if (spk_special_handler != NULL || val < 1 || val > 6) {
1895 synth_printf("%s\n", spk_msg_get(MSG_ERROR));
c6e3fd22
WH		 1896 return;
1897 }
ca2beaf8
ST		 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;
c6e3fd22
WH		 1901}
1902
1903static int handle_goto(struct vc_data *vc, u_char type, u_char ch, u_short key)
1904{
4ea418b8 1905 static u_char goto_buf[8];
16d35515 1906 static int num;
ef35a4f4 1907 int maxlen;
c6e3fd22 1908 char *cp;
ef35a4f4 1909
c6e3fd22
WH		 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;
16d35515 1934 if (num < maxlen - 1 || num > maxlen)
c6e3fd22
WH		 1935 goto oops;
1936 if (ch < 'x' || ch > 'y') {
1937oops:
1938 if (!spk_killed)
ca2beaf8 1939 synth_printf(" %s\n", spk_msg_get(MSG_GOTO_CANCELED));
c6e3fd22 1940 goto_buf[num = 0] = '\0';
ca2beaf8 1941 spk_special_handler = NULL;
c6e3fd22
WH		 1942 return 1;
1943 }
ef35a4f4
DY		 1944
1945 goto_pos = simple_strtoul(goto_buf, &cp, 10);
1946
c6e3fd22
WH		 1947 if (*cp == 'x') {
1948 if (*goto_buf < '0')
1949 goto_pos += spk_x;
ef35a4f4 1950 else if (goto_pos > 0)
c6e3fd22 1951 goto_pos--;
ef35a4f4 1952
c6e3fd22 1953 if (goto_pos >= vc->vc_cols)
16d35515 1954 goto_pos = vc->vc_cols - 1;
c6e3fd22
WH		 1955 goto_x = 1;
1956 } else {
1957 if (*goto_buf < '0')
1958 goto_pos += spk_y;
ef35a4f4 1959 else if (goto_pos > 0)
c6e3fd22 1960 goto_pos--;
ef35a4f4 1961
c6e3fd22 1962 if (goto_pos >= vc->vc_rows)
16d35515 1963 goto_pos = vc->vc_rows - 1;
c6e3fd22
WH		 1964 goto_x = 0;
1965 }
16d35515 1966 goto_buf[num = 0] = '\0';
c6e3fd22 1967do_goto:
ca2beaf8 1968 spk_special_handler = NULL;
c6e3fd22
WH		 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
16d35515 1983static void speakup_goto(struct vc_data *vc)
c6e3fd22 1984{
ca2beaf8
ST		 1985 if (spk_special_handler != NULL) {
1986 synth_printf("%s\n", spk_msg_get(MSG_ERROR));
c6e3fd22
WH		 1987 return;
1988 }
ca2beaf8
ST		 1989 synth_printf("%s\n", spk_msg_get(MSG_GOTO));
1990 spk_special_handler = handle_goto;
c6e3fd22
WH		 1991}
1992
1993static void speakup_help(struct vc_data *vc)
1994{
ca2beaf8 1995 spk_handle_help(vc, KT_SPKUP, SPEAKUP_HELP, 0);
c6e3fd22
WH		 1996}
1997
16d35515 1998static void do_nothing(struct vc_data *vc)
c6e3fd22 1999{
16d35515 2000 return; /* flush done in do_spkup */
c6e3fd22 2001}
16d35515 2002
c6e3fd22
WH		 2003static u_char key_speakup, spk_key_locked;
2004
16d35515 2005static void speakup_lock(struct vc_data *vc)
c6e3fd22 2006{
cd95ed98
AS		 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 }
c6e3fd22
WH		 2014}
2015
16d35515 2016typedef void (*spkup_hand) (struct vc_data *);
0012196c 2017static spkup_hand spkup_handler[] = {
c6e3fd22
WH		 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,
16d35515 2027 speakup_off, speakup_parked, say_line, /* this is for indent */
c6e3fd22
WH		 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
2036static 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]) {
ca2beaf8 2045 spk_do_flush();
16d35515 2046 (*spkup_handler[value]) (vc);
c6e3fd22
WH		 2047 } else {
2048 if (inc_dec_var(value) < 0)
2049 bleep(9);
2050 }
2051}
2052
2053static const char *pad_chars = "0123456789+-*/\015,.?()";
2054
0012196c 2055static int
c6e3fd22 2056speakup_key(struct vc_data *vc, int shift_state, int keycode, u_short keysym,
16d35515 2057 int up_flag)
c6e3fd22
WH		 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;
8e69a811 2065
c6e3fd22
WH		 2066 if (synth == NULL)
2067 return 0;
2068
3efe810f 2069 spin_lock_irqsave(&speakup_info.spinlock, flags);
5b19208a 2070 tty = vc->port.tty;
c6e3fd22
WH		 2071 if (type >= 0xf0)
2072 type -= 0xf0;
16d35515 2073 if (type == KT_PAD
079c9534 2074 && (vt_get_leds(fg_console, VC_NUMLOCK))) {
c6e3fd22
WH		 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;
ca2beaf8 2086 key_info = spk_our_keys[keycode];
ff471ea8 2087 if (!key_info)
c6e3fd22
WH		 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 }
16d35515 2104 shift_info = (shift_state & 0x0f) + key_speakup;
ca2beaf8 2105 offset = spk_shift_table[shift_info];
c6e3fd22
WH		 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;
ca2beaf8 2116 spk_do_flush();
c6e3fd22
WH		 2117 goto out;
2118 }
2119 if (up_flag)
2120 goto out;
2121 if (last_keycode == keycode &&
3d3cb1bf 2122 time_after(last_spk_jiffy + MAX_DELAY, jiffies)) {
c6e3fd22 2123 spk_close_press = 1;
ca2beaf8 2124 offset = spk_shift_table[shift_info + 32];
16d35515 2125 /* double press? */
c6e3fd22
WH		 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 }
2135no_map:
ca2beaf8 2136 if (type == KT_SPKUP && spk_special_handler == NULL) {
c6e3fd22
WH		 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))
16d35515
WH		 2146 || (value == KVAL(K_UP))
2147 || (value == KVAL(K_LEFT))
2148 || (value == KVAL(K_RIGHT));
c6e3fd22 2149 if ((cursor_track != read_all_mode) || !kh)
ca2beaf8
ST		 2150 if (!spk_no_intr)
2151 spk_do_flush();
2152 if (spk_special_handler) {
c6e3fd22
WH		 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)
16d35515 2159 value = 8; /* make del = backspace */
ca2beaf8 2160 ret = (*spk_special_handler) (vc, type, value, keycode);
c6e3fd22
WH		 2161 spk_close_press = 0;
2162 if (ret < 0)
2163 bleep(9);
2164 goto out;
2165 }
2166 last_keycode = 0;
2167out:
3efe810f 2168 spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22
WH		 2169 return ret;
2170}
2171
2172static int keyboard_notifier_call(struct notifier_block *nb,
16d35515 2173 unsigned long code, void *_param)
c6e3fd22
WH		 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;
16d35515 2179 static int keycode; /* to hold the current keycode */
c6e3fd22
WH		 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;
16d35515
WH		 2210 else if (KTYP(param->value) == KT_CUR)
2211 ret = pre_handle_cursor(vc, KVAL(param->value), up);
c6e3fd22 2212 break;
16d35515
WH		 2213 case KBD_POST_KEYSYM:{
2214 unsigned char type = KTYP(param->value) - 0xf0;
2215 unsigned char val = KVAL(param->value);
8e69a811 2216
16d35515
WH		 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 }
c6e3fd22
WH		 2232 break;
2233 }
c6e3fd22
WH		 2234 }
2235 return ret;
2236}
2237
2238static int vt_notifier_call(struct notifier_block *nb,
16d35515 2239 unsigned long code, void *_param)
c6e3fd22
WH		 2240{
2241 struct vt_notifier_param *param = _param;
2242 struct vc_data *vc = param->vc;
8e69a811 2243
c6e3fd22
WH		 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);
16d35515
WH		 2255 else if (param->c < 0x100) {
2256 char d = param->c;
0a3a725a 2257
16d35515
WH		 2258 speakup_con_write(vc, &d, 1);
2259 }
c6e3fd22
WH		 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() */
2269static void __exit speakup_exit(void)
2270{
2271 int i;
2272
c6e3fd22
WH		 2273 unregister_keyboard_notifier(&keyboard_notifier_block);
2274 unregister_vt_notifier(&vt_notifier_block);
2275 speakup_unregister_devsynth();
d7500135 2276 speakup_cancel_paste();
c6e3fd22 2277 del_timer(&cursor_timer);
c6e3fd22
WH		 2278 kthread_stop(speakup_task);
2279 speakup_task = NULL;
2280 mutex_lock(&spk_mutex);
2281 synth_release();
2282 mutex_unlock(&spk_mutex);
2283
628f3428
CB		 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
c6e3fd22
WH		 2291 for (i = 0; i < MAXVARS; i++)
2292 speakup_unregister_var(i);
2293
2294 for (i = 0; i < 256; i++) {
ca2beaf8
ST		 2295 if (spk_characters[i] != spk_default_chars[i])
2296 kfree(spk_characters[i]);
c6e3fd22 2297 }
628f3428 2298
ca2beaf8 2299 spk_free_user_msgs();
c6e3fd22
WH		 2300}
2301
2302/* call by: module_init() */
2303static int __init speakup_init(void)
2304{
2305 int i;
628f3428 2306 long err = 0;
c6e3fd22
WH		 2307 struct st_spk_t *first_console;
2308 struct vc_data *vc = vc_cons[fg_console].d;
2309 struct var_t *var;
2310
628f3428 2311 /* These first few initializations cannot fail. */
ca2beaf8
ST		 2312 spk_initialize_msgs(); /* Initialize arrays for i18n. */
2313 spk_reset_default_chars();
2314 spk_reset_default_chartab();
2315 spk_strlwr(synth_name);
c6e3fd22 2316 spk_vars[0].u.n.high = vc->vc_cols;
16d35515 2317 for (var = spk_vars; var->var_id != MAXVARS; var++)
c6e3fd22 2318 speakup_register_var(var);
16d35515
WH		 2319 for (var = synth_time_vars;
2320 (var->var_id >= 0) && (var->var_id < MAXVARS); var++)
c6e3fd22 2321 speakup_register_var(var);
ca2beaf8 2322 for (i = 1; spk_punc_info[i].mask != 0; i++)
ff471ea8 2323 spk_set_mask_bits(NULL, i, 2);
c6e3fd22 2324
ca2beaf8 2325 spk_set_key_info(spk_key_defaults, spk_key_buf);
c6e3fd22 2326
628f3428
CB		 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
c6e3fd22 2341 for (i = 0; i < MAX_NR_CONSOLES; i++)
628f3428
CB		 2342 if (vc_cons[i].d) {
2343 err = speakup_allocate(vc_cons[i].d);
2344 if (err)
2345 goto error_kobjects;
2346 }
2347
ca2beaf8 2348 if (spk_quiet_boot)
4afaee15
CB		 2349 spk_shut_up |= 0x01;
2350
628f3428
CB		 2351 err = speakup_kobj_init();
2352 if (err)
2353 goto error_kobjects;
c6e3fd22 2354
c6e3fd22
WH		 2355 synth_init(synth_name);
2356 speakup_register_devsynth();
628f3428
CB		 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 */
c6e3fd22 2362
628f3428
CB		 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;
c6e3fd22
WH		 2369
2370 speakup_task = kthread_create(speakup_thread, NULL, "speakup");
628f3428 2371
7959d556 2372 if (IS_ERR(speakup_task)) {
628f3428
CB		 2373 err = PTR_ERR(speakup_task);
2374 goto error_task;
7959d556 2375 }
628f3428
CB		 2376
2377 set_user_nice(speakup_task, 10);
7959d556 2378 wake_up_process(speakup_task);
628f3428
CB		 2379
2380 pr_info("speakup %s: initialized\n", SPEAKUP_VERSION);
2381 pr_info("synth name on entry is: %s\n", synth_name);
7959d556
WH		 2382 goto out;
2383
628f3428
CB		 2384error_task:
2385 unregister_vt_notifier(&vt_notifier_block);
2386
2387error_vtnotifier:
2388 unregister_keyboard_notifier(&keyboard_notifier_block);
2389 del_timer(&cursor_timer);
2390
2391error_kbdnotifier:
2392 speakup_unregister_devsynth();
2393 mutex_lock(&spk_mutex);
2394 synth_release();
2395 mutex_unlock(&spk_mutex);
2396 speakup_kobj_exit();
2397
2398error_kobjects:
2399 for (i = 0; i < MAX_NR_CONSOLES; i++)
2400 kfree(speakup_console[i]);
2401
2402error_alloc:
7959d556 2403 speakup_remove_virtual_keyboard();
628f3428
CB		 2404
2405error_virtkeyboard:
2406 for (i = 0; i < MAXVARS; i++)
2407 speakup_unregister_var(i);
2408
2409 for (i = 0; i < 256; i++) {
ca2beaf8
ST		 2410 if (spk_characters[i] != spk_default_chars[i])
2411 kfree(spk_characters[i]);
628f3428
CB		 2412 }
2413
ca2beaf8 2414 spk_free_user_msgs();
628f3428 2415
7959d556
WH		 2416out:
2417 return err;
c6e3fd22
WH		 2418}
2419
c6e3fd22
WH		 2420module_init(speakup_init);
2421module_exit(speakup_exit);
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