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-rw-r--r--drivers/accessibility/speakup/main.c2460
1 files changed, 2460 insertions, 0 deletions
diff --git a/drivers/accessibility/speakup/main.c b/drivers/accessibility/speakup/main.c
new file mode 100644
index 000000000000..ddfd12afe3b9
--- /dev/null
+++ b/drivers/accessibility/speakup/main.c
@@ -0,0 +1,2460 @@
+// SPDX-License-Identifier: GPL-2.0+
+/* speakup.c
+ * review functions for the speakup screen review package.
+ * originally written by: Kirk Reiser and Andy Berdan.
+ *
+ * extensively modified by David Borowski.
+ *
+ ** Copyright (C) 1998 Kirk Reiser.
+ * Copyright (C) 2003 David Borowski.
+ */
+
+#include <linux/kernel.h>
+#include <linux/vt.h>
+#include <linux/tty.h>
+#include <linux/mm.h> /* __get_free_page() and friends */
+#include <linux/vt_kern.h>
+#include <linux/ctype.h>
+#include <linux/selection.h>
+#include <linux/unistd.h>
+#include <linux/jiffies.h>
+#include <linux/kthread.h>
+#include <linux/keyboard.h> /* for KT_SHIFT */
+#include <linux/kbd_kern.h> /* for vc_kbd_* and friends */
+#include <linux/input.h>
+#include <linux/kmod.h>
+
+/* speakup_*_selection */
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/consolemap.h>
+
+#include <linux/spinlock.h>
+#include <linux/notifier.h>
+
+#include <linux/uaccess.h> /* copy_from|to|user() and others */
+
+#include "spk_priv.h"
+#include "speakup.h"
+
+#define MAX_DELAY msecs_to_jiffies(500)
+#define MINECHOCHAR SPACE
+
+MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
+MODULE_AUTHOR("Daniel Drake <dsd@gentoo.org>");
+MODULE_DESCRIPTION("Speakup console speech");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(SPEAKUP_VERSION);
+
+char *synth_name;
+module_param_named(synth, synth_name, charp, 0444);
+module_param_named(quiet, spk_quiet_boot, bool, 0444);
+
+MODULE_PARM_DESC(synth, "Synth to start if speakup is built in.");
+MODULE_PARM_DESC(quiet, "Do not announce when the synthesizer is found.");
+
+special_func spk_special_handler;
+
+short spk_pitch_shift, synth_flags;
+static u16 buf[256];
+int spk_attrib_bleep, spk_bleeps, spk_bleep_time = 10;
+int spk_no_intr, spk_spell_delay;
+int spk_key_echo, spk_say_word_ctl;
+int spk_say_ctrl, spk_bell_pos;
+short spk_punc_mask;
+int spk_punc_level, spk_reading_punc;
+char spk_str_caps_start[MAXVARLEN + 1] = "\0";
+char spk_str_caps_stop[MAXVARLEN + 1] = "\0";
+char spk_str_pause[MAXVARLEN + 1] = "\0";
+bool spk_paused;
+const struct st_bits_data spk_punc_info[] = {
+ {"none", "", 0},
+ {"some", "/$%&@", SOME},
+ {"most", "$%&#()=+*/@^<>|\\", MOST},
+ {"all", "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~", PUNC},
+ {"delimiters", "", B_WDLM},
+ {"repeats", "()", CH_RPT},
+ {"extended numeric", "", B_EXNUM},
+ {"symbols", "", B_SYM},
+ {NULL, NULL}
+};
+
+static char mark_cut_flag;
+#define MAX_KEY 160
+static u_char *spk_shift_table;
+u_char *spk_our_keys[MAX_KEY];
+u_char spk_key_buf[600];
+const u_char spk_key_defaults[] = {
+#include "speakupmap.h"
+};
+
+/* Speakup Cursor Track Variables */
+static int cursor_track = 1, prev_cursor_track = 1;
+
+/* cursor track modes, must be ordered same as cursor_msgs */
+enum {
+ CT_Off = 0,
+ CT_On,
+ CT_Highlight,
+ CT_Window,
+ CT_Max
+};
+
+#define read_all_mode CT_Max
+
+static struct tty_struct *tty;
+
+static void spkup_write(const u16 *in_buf, int count);
+
+static char *phonetic[] = {
+ "alfa", "bravo", "charlie", "delta", "echo", "foxtrot", "golf", "hotel",
+ "india", "juliett", "keelo", "leema", "mike", "november", "oscar",
+ "papa",
+ "keh beck", "romeo", "sierra", "tango", "uniform", "victer", "whiskey",
+ "x ray", "yankee", "zulu"
+};
+
+/* array of 256 char pointers (one for each character description)
+ * initialized to default_chars and user selectable via
+ * /proc/speakup/characters
+ */
+char *spk_characters[256];
+
+char *spk_default_chars[256] = {
+/*000*/ "null", "^a", "^b", "^c", "^d", "^e", "^f", "^g",
+/*008*/ "^h", "^i", "^j", "^k", "^l", "^m", "^n", "^o",
+/*016*/ "^p", "^q", "^r", "^s", "^t", "^u", "^v", "^w",
+/*024*/ "^x", "^y", "^z", "control", "control", "control", "control",
+ "control",
+/*032*/ "space", "bang!", "quote", "number", "dollar", "percent", "and",
+ "tick",
+/*040*/ "left paren", "right paren", "star", "plus", "comma", "dash",
+ "dot",
+ "slash",
+/*048*/ "zero", "one", "two", "three", "four", "five", "six", "seven",
+ "eight", "nine",
+/*058*/ "colon", "semmy", "less", "equals", "greater", "question", "at",
+/*065*/ "EIGH", "B", "C", "D", "E", "F", "G",
+/*072*/ "H", "I", "J", "K", "L", "M", "N", "O",
+/*080*/ "P", "Q", "R", "S", "T", "U", "V", "W", "X",
+/*089*/ "Y", "ZED", "left bracket", "backslash", "right bracket",
+ "caret",
+ "line",
+/*096*/ "accent", "a", "b", "c", "d", "e", "f", "g",
+/*104*/ "h", "i", "j", "k", "l", "m", "n", "o",
+/*112*/ "p", "q", "r", "s", "t", "u", "v", "w",
+/*120*/ "x", "y", "zed", "left brace", "bar", "right brace", "tihlduh",
+/*127*/ "del", "control", "control", "control", "control", "control",
+ "control", "control", "control", "control", "control",
+/*138*/ "control", "control", "control", "control", "control",
+ "control", "control", "control", "control", "control",
+ "control", "control",
+/*150*/ "control", "control", "control", "control", "control",
+ "control", "control", "control", "control", "control",
+/*160*/ "nbsp", "inverted bang",
+/*162*/ "cents", "pounds", "currency", "yen", "broken bar", "section",
+/*168*/ "diaeresis", "copyright", "female ordinal", "double left angle",
+/*172*/ "not", "soft hyphen", "registered", "macron",
+/*176*/ "degrees", "plus or minus", "super two", "super three",
+/*180*/ "acute accent", "micro", "pilcrow", "middle dot",
+/*184*/ "cedilla", "super one", "male ordinal", "double right angle",
+/*188*/ "one quarter", "one half", "three quarters",
+ "inverted question",
+/*192*/ "A GRAVE", "A ACUTE", "A CIRCUMFLEX", "A TILDE", "A OOMLAUT",
+ "A RING",
+/*198*/ "AE", "C CIDELLA", "E GRAVE", "E ACUTE", "E CIRCUMFLEX",
+ "E OOMLAUT",
+/*204*/ "I GRAVE", "I ACUTE", "I CIRCUMFLEX", "I OOMLAUT", "ETH",
+ "N TILDE",
+/*210*/ "O GRAVE", "O ACUTE", "O CIRCUMFLEX", "O TILDE", "O OOMLAUT",
+/*215*/ "multiplied by", "O STROKE", "U GRAVE", "U ACUTE",
+ "U CIRCUMFLEX",
+/*220*/ "U OOMLAUT", "Y ACUTE", "THORN", "sharp s", "a grave",
+/*225*/ "a acute", "a circumflex", "a tilde", "a oomlaut", "a ring",
+/*230*/ "ae", "c cidella", "e grave", "e acute",
+/*234*/ "e circumflex", "e oomlaut", "i grave", "i acute",
+ "i circumflex",
+/*239*/ "i oomlaut", "eth", "n tilde", "o grave", "o acute",
+ "o circumflex",
+/*245*/ "o tilde", "o oomlaut", "divided by", "o stroke", "u grave",
+ "u acute",
+/* 251 */ "u circumflex", "u oomlaut", "y acute", "thorn", "y oomlaut"
+};
+
+/* array of 256 u_short (one for each character)
+ * initialized to default_chartab and user selectable via
+ * /sys/module/speakup/parameters/chartab
+ */
+u_short spk_chartab[256];
+
+static u_short default_chartab[256] = {
+ B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, /* 0-7 */
+ B_CTL, B_CTL, A_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, /* 8-15 */
+ B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, /*16-23 */
+ B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, /* 24-31 */
+ WDLM, A_PUNC, PUNC, PUNC, PUNC, PUNC, PUNC, A_PUNC, /* !"#$%&' */
+ PUNC, PUNC, PUNC, PUNC, A_PUNC, A_PUNC, A_PUNC, PUNC, /* ()*+, -./ */
+ NUM, NUM, NUM, NUM, NUM, NUM, NUM, NUM, /* 01234567 */
+ NUM, NUM, A_PUNC, PUNC, PUNC, PUNC, PUNC, A_PUNC, /* 89:;<=>? */
+ PUNC, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, /* @ABCDEFG */
+ A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, /* HIJKLMNO */
+ A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, /* PQRSTUVW */
+ A_CAP, A_CAP, A_CAP, PUNC, PUNC, PUNC, PUNC, PUNC, /* XYZ[\]^_ */
+ PUNC, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, /* `abcdefg */
+ ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, /* hijklmno */
+ ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, /* pqrstuvw */
+ ALPHA, ALPHA, ALPHA, PUNC, PUNC, PUNC, PUNC, 0, /* xyz{|}~ */
+ B_CAPSYM, B_CAPSYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, /* 128-134 */
+ B_SYM, /* 135 */
+ B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, /* 136-142 */
+ B_CAPSYM, /* 143 */
+ B_CAPSYM, B_CAPSYM, B_SYM, B_CAPSYM, B_SYM, B_SYM, B_SYM, /* 144-150 */
+ B_SYM, /* 151 */
+ B_SYM, B_SYM, B_CAPSYM, B_CAPSYM, B_SYM, B_SYM, B_SYM, /*152-158 */
+ B_SYM, /* 159 */
+ WDLM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_CAPSYM, /* 160-166 */
+ B_SYM, /* 167 */
+ B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, /* 168-175 */
+ B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, /* 176-183 */
+ B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, /* 184-191 */
+ A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, /* 192-199 */
+ A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, /* 200-207 */
+ A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, B_SYM, /* 208-215 */
+ A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, ALPHA, /* 216-223 */
+ ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, /* 224-231 */
+ ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, /* 232-239 */
+ ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, B_SYM, /* 240-247 */
+ ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA /* 248-255 */
+};
+
+struct task_struct *speakup_task;
+struct bleep spk_unprocessed_sound;
+static int spk_keydown;
+static u16 spk_lastkey;
+static u_char spk_close_press, keymap_flags;
+static u_char last_keycode, this_speakup_key;
+static u_long last_spk_jiffy;
+
+struct st_spk_t *speakup_console[MAX_NR_CONSOLES];
+
+DEFINE_MUTEX(spk_mutex);
+
+static int keyboard_notifier_call(struct notifier_block *,
+ unsigned long code, void *param);
+
+static struct notifier_block keyboard_notifier_block = {
+ .notifier_call = keyboard_notifier_call,
+};
+
+static int vt_notifier_call(struct notifier_block *,
+ unsigned long code, void *param);
+
+static struct notifier_block vt_notifier_block = {
+ .notifier_call = vt_notifier_call,
+};
+
+static unsigned char get_attributes(struct vc_data *vc, u16 *pos)
+{
+ pos = screen_pos(vc, pos - (u16 *)vc->vc_origin, 1);
+ return (scr_readw(pos) & ~vc->vc_hi_font_mask) >> 8;
+}
+
+static void speakup_date(struct vc_data *vc)
+{
+ spk_x = spk_cx = vc->state.x;
+ spk_y = spk_cy = vc->state.y;
+ spk_pos = spk_cp = vc->vc_pos;
+ spk_old_attr = spk_attr;
+ spk_attr = get_attributes(vc, (u_short *)spk_pos);
+}
+
+static void bleep(u_short val)
+{
+ static const short vals[] = {
+ 350, 370, 392, 414, 440, 466, 491, 523, 554, 587, 619, 659
+ };
+ short freq;
+ int time = spk_bleep_time;
+
+ freq = vals[val % 12];
+ if (val > 11)
+ freq *= (1 << (val / 12));
+ spk_unprocessed_sound.freq = freq;
+ spk_unprocessed_sound.jiffies = msecs_to_jiffies(time);
+ spk_unprocessed_sound.active = 1;
+ /* We can only have 1 active sound at a time. */
+}
+
+static void speakup_shut_up(struct vc_data *vc)
+{
+ if (spk_killed)
+ return;
+ spk_shut_up |= 0x01;
+ spk_parked &= 0xfe;
+ speakup_date(vc);
+ if (synth)
+ spk_do_flush();
+}
+
+static void speech_kill(struct vc_data *vc)
+{
+ char val = synth->is_alive(synth);
+
+ if (val == 0)
+ return;
+
+ /* re-enables synth, if disabled */
+ if (val == 2 || spk_killed) {
+ /* dead */
+ spk_shut_up &= ~0x40;
+ synth_printf("%s\n", spk_msg_get(MSG_IAM_ALIVE));
+ } else {
+ synth_printf("%s\n", spk_msg_get(MSG_YOU_KILLED_SPEAKUP));
+ spk_shut_up |= 0x40;
+ }
+}
+
+static void speakup_off(struct vc_data *vc)
+{
+ if (spk_shut_up & 0x80) {
+ spk_shut_up &= 0x7f;
+ synth_printf("%s\n", spk_msg_get(MSG_HEY_THATS_BETTER));
+ } else {
+ spk_shut_up |= 0x80;
+ synth_printf("%s\n", spk_msg_get(MSG_YOU_TURNED_ME_OFF));
+ }
+ speakup_date(vc);
+}
+
+static void speakup_parked(struct vc_data *vc)
+{
+ if (spk_parked & 0x80) {
+ spk_parked = 0;
+ synth_printf("%s\n", spk_msg_get(MSG_UNPARKED));
+ } else {
+ spk_parked |= 0x80;
+ synth_printf("%s\n", spk_msg_get(MSG_PARKED));
+ }
+}
+
+static void speakup_cut(struct vc_data *vc)
+{
+ static const char err_buf[] = "set selection failed";
+ int ret;
+
+ if (!mark_cut_flag) {
+ mark_cut_flag = 1;
+ spk_xs = (u_short)spk_x;
+ spk_ys = (u_short)spk_y;
+ spk_sel_cons = vc;
+ synth_printf("%s\n", spk_msg_get(MSG_MARK));
+ return;
+ }
+ spk_xe = (u_short)spk_x;
+ spk_ye = (u_short)spk_y;
+ mark_cut_flag = 0;
+ synth_printf("%s\n", spk_msg_get(MSG_CUT));
+
+ speakup_clear_selection();
+ ret = speakup_set_selection(tty);
+
+ switch (ret) {
+ case 0:
+ break; /* no error */
+ case -EFAULT:
+ pr_warn("%sEFAULT\n", err_buf);
+ break;
+ case -EINVAL:
+ pr_warn("%sEINVAL\n", err_buf);
+ break;
+ case -ENOMEM:
+ pr_warn("%sENOMEM\n", err_buf);
+ break;
+ }
+}
+
+static void speakup_paste(struct vc_data *vc)
+{
+ if (mark_cut_flag) {
+ mark_cut_flag = 0;
+ synth_printf("%s\n", spk_msg_get(MSG_MARK_CLEARED));
+ } else {
+ synth_printf("%s\n", spk_msg_get(MSG_PASTE));
+ speakup_paste_selection(tty);
+ }
+}
+
+static void say_attributes(struct vc_data *vc)
+{
+ int fg = spk_attr & 0x0f;
+ int bg = spk_attr >> 4;
+
+ if (fg > 8) {
+ synth_printf("%s ", spk_msg_get(MSG_BRIGHT));
+ fg -= 8;
+ }
+ synth_printf("%s", spk_msg_get(MSG_COLORS_START + fg));
+ if (bg > 7) {
+ synth_printf(" %s ", spk_msg_get(MSG_ON_BLINKING));
+ bg -= 8;
+ } else {
+ synth_printf(" %s ", spk_msg_get(MSG_ON));
+ }
+ synth_printf("%s\n", spk_msg_get(MSG_COLORS_START + bg));
+}
+
+enum {
+ edge_top = 1,
+ edge_bottom,
+ edge_left,
+ edge_right,
+ edge_quiet
+};
+
+static void announce_edge(struct vc_data *vc, int msg_id)
+{
+ if (spk_bleeps & 1)
+ bleep(spk_y);
+ if ((spk_bleeps & 2) && (msg_id < edge_quiet))
+ synth_printf("%s\n",
+ spk_msg_get(MSG_EDGE_MSGS_START + msg_id - 1));
+}
+
+static void speak_char(u16 ch)
+{
+ char *cp;
+ struct var_t *direct = spk_get_var(DIRECT);
+
+ if (ch >= 0x100 || (direct && direct->u.n.value)) {
+ if (ch < 0x100 && IS_CHAR(ch, B_CAP)) {
+ spk_pitch_shift++;
+ synth_printf("%s", spk_str_caps_start);
+ }
+ synth_putwc_s(ch);
+ if (ch < 0x100 && IS_CHAR(ch, B_CAP))
+ synth_printf("%s", spk_str_caps_stop);
+ return;
+ }
+
+ cp = spk_characters[ch];
+ if (!cp) {
+ pr_info("%s: cp == NULL!\n", __func__);
+ return;
+ }
+ if (IS_CHAR(ch, B_CAP)) {
+ spk_pitch_shift++;
+ synth_printf("%s %s %s",
+ spk_str_caps_start, cp, spk_str_caps_stop);
+ } else {
+ if (*cp == '^') {
+ cp++;
+ synth_printf(" %s%s ", spk_msg_get(MSG_CTRL), cp);
+ } else {
+ synth_printf(" %s ", cp);
+ }
+ }
+}
+
+static u16 get_char(struct vc_data *vc, u16 *pos, u_char *attribs)
+{
+ u16 ch = ' ';
+
+ if (vc && pos) {
+ u16 w;
+ u16 c;
+
+ pos = screen_pos(vc, pos - (u16 *)vc->vc_origin, 1);
+ w = scr_readw(pos);
+ c = w & 0xff;
+
+ if (w & vc->vc_hi_font_mask) {
+ w &= ~vc->vc_hi_font_mask;
+ c |= 0x100;
+ }
+
+ ch = inverse_translate(vc, c, 1);
+ *attribs = (w & 0xff00) >> 8;
+ }
+ return ch;
+}
+
+static void say_char(struct vc_data *vc)
+{
+ u16 ch;
+
+ spk_old_attr = spk_attr;
+ ch = get_char(vc, (u_short *)spk_pos, &spk_attr);
+ if (spk_attr != spk_old_attr) {
+ if (spk_attrib_bleep & 1)
+ bleep(spk_y);
+ if (spk_attrib_bleep & 2)
+ say_attributes(vc);
+ }
+ speak_char(ch);
+}
+
+static void say_phonetic_char(struct vc_data *vc)
+{
+ u16 ch;
+
+ spk_old_attr = spk_attr;
+ ch = get_char(vc, (u_short *)spk_pos, &spk_attr);
+ if (ch <= 0x7f && isalpha(ch)) {
+ ch &= 0x1f;
+ synth_printf("%s\n", phonetic[--ch]);
+ } else {
+ if (ch < 0x100 && IS_CHAR(ch, B_NUM))
+ synth_printf("%s ", spk_msg_get(MSG_NUMBER));
+ speak_char(ch);
+ }
+}
+
+static void say_prev_char(struct vc_data *vc)
+{
+ spk_parked |= 0x01;
+ if (spk_x == 0) {
+ announce_edge(vc, edge_left);
+ return;
+ }
+ spk_x--;
+ spk_pos -= 2;
+ say_char(vc);
+}
+
+static void say_next_char(struct vc_data *vc)
+{
+ spk_parked |= 0x01;
+ if (spk_x == vc->vc_cols - 1) {
+ announce_edge(vc, edge_right);
+ return;
+ }
+ spk_x++;
+ spk_pos += 2;
+ say_char(vc);
+}
+
+/* get_word - will first check to see if the character under the
+ * reading cursor is a space and if spk_say_word_ctl is true it will
+ * return the word space. If spk_say_word_ctl is not set it will check to
+ * see if there is a word starting on the next position to the right
+ * and return that word if it exists. If it does not exist it will
+ * move left to the beginning of any previous word on the line or the
+ * beginning off the line whichever comes first..
+ */
+
+static u_long get_word(struct vc_data *vc)
+{
+ u_long cnt = 0, tmpx = spk_x, tmp_pos = spk_pos;
+ u16 ch;
+ u16 attr_ch;
+ u_char temp;
+
+ spk_old_attr = spk_attr;
+ ch = get_char(vc, (u_short *)tmp_pos, &temp);
+
+/* decided to take out the sayword if on a space (mis-information */
+ if (spk_say_word_ctl && ch == SPACE) {
+ *buf = '\0';
+ synth_printf("%s\n", spk_msg_get(MSG_SPACE));
+ return 0;
+ } else if (tmpx < vc->vc_cols - 2 &&
+ (ch == SPACE || ch == 0 || (ch < 0x100 && IS_WDLM(ch))) &&
+ get_char(vc, (u_short *)tmp_pos + 1, &temp) > SPACE) {
+ tmp_pos += 2;
+ tmpx++;
+ } else {
+ while (tmpx > 0) {
+ ch = get_char(vc, (u_short *)tmp_pos - 1, &temp);
+ if ((ch == SPACE || ch == 0 ||
+ (ch < 0x100 && IS_WDLM(ch))) &&
+ get_char(vc, (u_short *)tmp_pos, &temp) > SPACE)
+ break;
+ tmp_pos -= 2;
+ tmpx--;
+ }
+ }
+ attr_ch = get_char(vc, (u_short *)tmp_pos, &spk_attr);
+ buf[cnt++] = attr_ch;
+ while (tmpx < vc->vc_cols - 1) {
+ tmp_pos += 2;
+ tmpx++;
+ ch = get_char(vc, (u_short *)tmp_pos, &temp);
+ if (ch == SPACE || ch == 0 ||
+ (buf[cnt - 1] < 0x100 && IS_WDLM(buf[cnt - 1]) &&
+ ch > SPACE))
+ break;
+ buf[cnt++] = ch;
+ }
+ buf[cnt] = '\0';
+ return cnt;
+}
+
+static void say_word(struct vc_data *vc)
+{
+ u_long cnt = get_word(vc);
+ u_short saved_punc_mask = spk_punc_mask;
+
+ if (cnt == 0)
+ return;
+ spk_punc_mask = PUNC;
+ buf[cnt++] = SPACE;
+ spkup_write(buf, cnt);
+ spk_punc_mask = saved_punc_mask;
+}
+
+static void say_prev_word(struct vc_data *vc)
+{
+ u_char temp;
+ u16 ch;
+ u_short edge_said = 0, last_state = 0, state = 0;
+
+ spk_parked |= 0x01;
+
+ if (spk_x == 0) {
+ if (spk_y == 0) {
+ announce_edge(vc, edge_top);
+ return;
+ }
+ spk_y--;
+ spk_x = vc->vc_cols;
+ edge_said = edge_quiet;
+ }
+ while (1) {
+ if (spk_x == 0) {
+ if (spk_y == 0) {
+ edge_said = edge_top;
+ break;
+ }
+ if (edge_said != edge_quiet)
+ edge_said = edge_left;
+ if (state > 0)
+ break;
+ spk_y--;
+ spk_x = vc->vc_cols - 1;
+ } else {
+ spk_x--;
+ }
+ spk_pos -= 2;
+ ch = get_char(vc, (u_short *)spk_pos, &temp);
+ if (ch == SPACE || ch == 0)
+ state = 0;
+ else if (ch < 0x100 && IS_WDLM(ch))
+ state = 1;
+ else
+ state = 2;
+ if (state < last_state) {
+ spk_pos += 2;
+ spk_x++;
+ break;
+ }
+ last_state = state;
+ }
+ if (spk_x == 0 && edge_said == edge_quiet)
+ edge_said = edge_left;
+ if (edge_said > 0 && edge_said < edge_quiet)
+ announce_edge(vc, edge_said);
+ say_word(vc);
+}
+
+static void say_next_word(struct vc_data *vc)
+{
+ u_char temp;
+ u16 ch;
+ u_short edge_said = 0, last_state = 2, state = 0;
+
+ spk_parked |= 0x01;
+ if (spk_x == vc->vc_cols - 1 && spk_y == vc->vc_rows - 1) {
+ announce_edge(vc, edge_bottom);
+ return;
+ }
+ while (1) {
+ ch = get_char(vc, (u_short *)spk_pos, &temp);
+ if (ch == SPACE || ch == 0)
+ state = 0;
+ else if (ch < 0x100 && IS_WDLM(ch))
+ state = 1;
+ else
+ state = 2;
+ if (state > last_state)
+ break;
+ if (spk_x >= vc->vc_cols - 1) {
+ if (spk_y == vc->vc_rows - 1) {
+ edge_said = edge_bottom;
+ break;
+ }
+ state = 0;
+ spk_y++;
+ spk_x = 0;
+ edge_said = edge_right;
+ } else {
+ spk_x++;
+ }
+ spk_pos += 2;
+ last_state = state;
+ }
+ if (edge_said > 0)
+ announce_edge(vc, edge_said);
+ say_word(vc);
+}
+
+static void spell_word(struct vc_data *vc)
+{
+ static char const *delay_str[] = { "", ",", ".", ". .", ". . ." };
+ u16 *cp = buf;
+ char *cp1;
+ char *str_cap = spk_str_caps_stop;
+ char *last_cap = spk_str_caps_stop;
+ struct var_t *direct = spk_get_var(DIRECT);
+ u16 ch;
+
+ if (!get_word(vc))
+ return;
+ while ((ch = *cp)) {
+ if (cp != buf)
+ synth_printf(" %s ", delay_str[spk_spell_delay]);
+ /* FIXME: Non-latin1 considered as lower case */
+ if (ch < 0x100 && IS_CHAR(ch, B_CAP)) {
+ str_cap = spk_str_caps_start;
+ if (*spk_str_caps_stop)
+ spk_pitch_shift++;
+ else /* synth has no pitch */
+ last_cap = spk_str_caps_stop;
+ } else {
+ str_cap = spk_str_caps_stop;
+ }
+ if (str_cap != last_cap) {
+ synth_printf("%s", str_cap);
+ last_cap = str_cap;
+ }
+ if (ch >= 0x100 || (direct && direct->u.n.value)) {
+ synth_putwc_s(ch);
+ } else if (this_speakup_key == SPELL_PHONETIC &&
+ ch <= 0x7f && isalpha(ch)) {
+ ch &= 0x1f;
+ cp1 = phonetic[--ch];
+ synth_printf("%s", cp1);
+ } else {
+ cp1 = spk_characters[ch];
+ if (*cp1 == '^') {
+ synth_printf("%s", spk_msg_get(MSG_CTRL));
+ cp1++;
+ }
+ synth_printf("%s", cp1);
+ }
+ cp++;
+ }
+ if (str_cap != spk_str_caps_stop)
+ synth_printf("%s", spk_str_caps_stop);
+}
+
+static int get_line(struct vc_data *vc)
+{
+ u_long tmp = spk_pos - (spk_x * 2);
+ int i = 0;
+ u_char tmp2;
+
+ spk_old_attr = spk_attr;
+ spk_attr = get_attributes(vc, (u_short *)spk_pos);
+ for (i = 0; i < vc->vc_cols; i++) {
+ buf[i] = get_char(vc, (u_short *)tmp, &tmp2);
+ tmp += 2;
+ }
+ for (--i; i >= 0; i--)
+ if (buf[i] != SPACE)
+ break;
+ return ++i;
+}
+
+static void say_line(struct vc_data *vc)
+{
+ int i = get_line(vc);
+ u16 *cp;
+ u_short saved_punc_mask = spk_punc_mask;
+
+ if (i == 0) {
+ synth_printf("%s\n", spk_msg_get(MSG_BLANK));
+ return;
+ }
+ buf[i++] = '\n';
+ if (this_speakup_key == SAY_LINE_INDENT) {
+ cp = buf;
+ while (*cp == SPACE)
+ cp++;
+ synth_printf("%zd, ", (cp - buf) + 1);
+ }
+ spk_punc_mask = spk_punc_masks[spk_reading_punc];
+ spkup_write(buf, i);
+ spk_punc_mask = saved_punc_mask;
+}
+
+static void say_prev_line(struct vc_data *vc)
+{
+ spk_parked |= 0x01;
+ if (spk_y == 0) {
+ announce_edge(vc, edge_top);
+ return;
+ }
+ spk_y--;
+ spk_pos -= vc->vc_size_row;
+ say_line(vc);
+}
+
+static void say_next_line(struct vc_data *vc)
+{
+ spk_parked |= 0x01;
+ if (spk_y == vc->vc_rows - 1) {
+ announce_edge(vc, edge_bottom);
+ return;
+ }
+ spk_y++;
+ spk_pos += vc->vc_size_row;
+ say_line(vc);
+}
+
+static int say_from_to(struct vc_data *vc, u_long from, u_long to,
+ int read_punc)
+{
+ int i = 0;
+ u_char tmp;
+ u_short saved_punc_mask = spk_punc_mask;
+
+ spk_old_attr = spk_attr;
+ spk_attr = get_attributes(vc, (u_short *)from);
+ while (from < to) {
+ buf[i++] = get_char(vc, (u_short *)from, &tmp);
+ from += 2;
+ if (i >= vc->vc_size_row)
+ break;
+ }
+ for (--i; i >= 0; i--)
+ if (buf[i] != SPACE)
+ break;
+ buf[++i] = SPACE;
+ buf[++i] = '\0';
+ if (i < 1)
+ return i;
+ if (read_punc)
+ spk_punc_mask = spk_punc_info[spk_reading_punc].mask;
+ spkup_write(buf, i);
+ if (read_punc)
+ spk_punc_mask = saved_punc_mask;
+ return i - 1;
+}
+
+static void say_line_from_to(struct vc_data *vc, u_long from, u_long to,
+ int read_punc)
+{
+ u_long start = vc->vc_origin + (spk_y * vc->vc_size_row);
+ u_long end = start + (to * 2);
+
+ start += from * 2;
+ if (say_from_to(vc, start, end, read_punc) <= 0)
+ if (cursor_track != read_all_mode)
+ synth_printf("%s\n", spk_msg_get(MSG_BLANK));
+}
+
+/* Sentence Reading Commands */
+
+static int currsentence;
+static int numsentences[2];
+static u16 *sentbufend[2];
+static u16 *sentmarks[2][10];
+static int currbuf;
+static int bn;
+static u16 sentbuf[2][256];
+
+static int say_sentence_num(int num, int prev)
+{
+ bn = currbuf;
+ currsentence = num + 1;
+ if (prev && --bn == -1)
+ bn = 1;
+
+ if (num > numsentences[bn])
+ return 0;
+
+ spkup_write(sentmarks[bn][num], sentbufend[bn] - sentmarks[bn][num]);
+ return 1;
+}
+
+static int get_sentence_buf(struct vc_data *vc, int read_punc)
+{
+ u_long start, end;
+ int i, bn;
+ u_char tmp;
+
+ currbuf++;
+ if (currbuf == 2)
+ currbuf = 0;
+ bn = currbuf;
+ start = vc->vc_origin + ((spk_y) * vc->vc_size_row);
+ end = vc->vc_origin + ((spk_y) * vc->vc_size_row) + vc->vc_cols * 2;
+
+ numsentences[bn] = 0;
+ sentmarks[bn][0] = &sentbuf[bn][0];
+ i = 0;
+ spk_old_attr = spk_attr;
+ spk_attr = get_attributes(vc, (u_short *)start);
+
+ while (start < end) {
+ sentbuf[bn][i] = get_char(vc, (u_short *)start, &tmp);
+ if (i > 0) {
+ if (sentbuf[bn][i] == SPACE &&
+ sentbuf[bn][i - 1] == '.' &&
+ numsentences[bn] < 9) {
+ /* Sentence Marker */
+ numsentences[bn]++;
+ sentmarks[bn][numsentences[bn]] =
+ &sentbuf[bn][i];
+ }
+ }
+ i++;
+ start += 2;
+ if (i >= vc->vc_size_row)
+ break;
+ }
+
+ for (--i; i >= 0; i--)
+ if (sentbuf[bn][i] != SPACE)
+ break;
+
+ if (i < 1)
+ return -1;
+
+ sentbuf[bn][++i] = SPACE;
+ sentbuf[bn][++i] = '\0';
+
+ sentbufend[bn] = &sentbuf[bn][i];
+ return numsentences[bn];
+}
+
+static void say_screen_from_to(struct vc_data *vc, u_long from, u_long to)
+{
+ u_long start = vc->vc_origin, end;
+
+ if (from > 0)
+ start += from * vc->vc_size_row;
+ if (to > vc->vc_rows)
+ to = vc->vc_rows;
+ end = vc->vc_origin + (to * vc->vc_size_row);
+ for (from = start; from < end; from = to) {
+ to = from + vc->vc_size_row;
+ say_from_to(vc, from, to, 1);
+ }
+}
+
+static void say_screen(struct vc_data *vc)
+{
+ say_screen_from_to(vc, 0, vc->vc_rows);
+}
+
+static void speakup_win_say(struct vc_data *vc)
+{
+ u_long start, end, from, to;
+
+ if (win_start < 2) {
+ synth_printf("%s\n", spk_msg_get(MSG_NO_WINDOW));
+ return;
+ }
+ start = vc->vc_origin + (win_top * vc->vc_size_row);
+ end = vc->vc_origin + (win_bottom * vc->vc_size_row);
+ while (start <= end) {
+ from = start + (win_left * 2);
+ to = start + (win_right * 2);
+ say_from_to(vc, from, to, 1);
+ start += vc->vc_size_row;
+ }
+}
+
+static void top_edge(struct vc_data *vc)
+{
+ spk_parked |= 0x01;
+ spk_pos = vc->vc_origin + 2 * spk_x;
+ spk_y = 0;
+ say_line(vc);
+}
+
+static void bottom_edge(struct vc_data *vc)
+{
+ spk_parked |= 0x01;
+ spk_pos += (vc->vc_rows - spk_y - 1) * vc->vc_size_row;
+ spk_y = vc->vc_rows - 1;
+ say_line(vc);
+}
+
+static void left_edge(struct vc_data *vc)
+{
+ spk_parked |= 0x01;
+ spk_pos -= spk_x * 2;
+ spk_x = 0;
+ say_char(vc);
+}
+
+static void right_edge(struct vc_data *vc)
+{
+ spk_parked |= 0x01;
+ spk_pos += (vc->vc_cols - spk_x - 1) * 2;
+ spk_x = vc->vc_cols - 1;
+ say_char(vc);
+}
+
+static void say_first_char(struct vc_data *vc)
+{
+ int i, len = get_line(vc);
+ u16 ch;
+
+ spk_parked |= 0x01;
+ if (len == 0) {
+ synth_printf("%s\n", spk_msg_get(MSG_BLANK));
+ return;
+ }
+ for (i = 0; i < len; i++)
+ if (buf[i] != SPACE)
+ break;
+ ch = buf[i];
+ spk_pos -= (spk_x - i) * 2;
+ spk_x = i;
+ synth_printf("%d, ", ++i);
+ speak_char(ch);
+}
+
+static void say_last_char(struct vc_data *vc)
+{
+ int len = get_line(vc);
+ u16 ch;
+
+ spk_parked |= 0x01;
+ if (len == 0) {
+ synth_printf("%s\n", spk_msg_get(MSG_BLANK));
+ return;
+ }
+ ch = buf[--len];
+ spk_pos -= (spk_x - len) * 2;
+ spk_x = len;
+ synth_printf("%d, ", ++len);
+ speak_char(ch);
+}
+
+static void say_position(struct vc_data *vc)
+{
+ synth_printf(spk_msg_get(MSG_POS_INFO), spk_y + 1, spk_x + 1,
+ vc->vc_num + 1);
+ synth_printf("\n");
+}
+
+/* Added by brianb */
+static void say_char_num(struct vc_data *vc)
+{
+ u_char tmp;
+ u16 ch = get_char(vc, (u_short *)spk_pos, &tmp);
+
+ synth_printf(spk_msg_get(MSG_CHAR_INFO), ch, ch);
+}
+
+/* these are stub functions to keep keyboard.c happy. */
+
+static void say_from_top(struct vc_data *vc)
+{
+ say_screen_from_to(vc, 0, spk_y);
+}
+
+static void say_to_bottom(struct vc_data *vc)
+{
+ say_screen_from_to(vc, spk_y, vc->vc_rows);
+}
+
+static void say_from_left(struct vc_data *vc)
+{
+ say_line_from_to(vc, 0, spk_x, 1);
+}
+
+static void say_to_right(struct vc_data *vc)
+{
+ say_line_from_to(vc, spk_x, vc->vc_cols, 1);
+}
+
+/* end of stub functions. */
+
+static void spkup_write(const u16 *in_buf, int count)
+{
+ static int rep_count;
+ static u16 ch = '\0', old_ch = '\0';
+ static u_short char_type, last_type;
+ int in_count = count;
+
+ spk_keydown = 0;
+ while (count--) {
+ if (cursor_track == read_all_mode) {
+ /* Insert Sentence Index */
+ if ((in_buf == sentmarks[bn][currsentence]) &&
+ (currsentence <= numsentences[bn]))
+ synth_insert_next_index(currsentence++);
+ }
+ ch = *in_buf++;
+ if (ch < 0x100)
+ char_type = spk_chartab[ch];
+ else
+ char_type = ALPHA;
+ if (ch == old_ch && !(char_type & B_NUM)) {
+ if (++rep_count > 2)
+ continue;
+ } else {
+ if ((last_type & CH_RPT) && rep_count > 2) {
+ synth_printf(" ");
+ synth_printf(spk_msg_get(MSG_REPEAT_DESC),
+ ++rep_count);
+ synth_printf(" ");
+ }
+ rep_count = 0;
+ }
+ if (ch == spk_lastkey) {
+ rep_count = 0;
+ if (spk_key_echo == 1 && ch >= MINECHOCHAR)
+ speak_char(ch);
+ } else if (char_type & B_ALPHA) {
+ if ((synth_flags & SF_DEC) && (last_type & PUNC))
+ synth_buffer_add(SPACE);
+ synth_putwc_s(ch);
+ } else if (char_type & B_NUM) {
+ rep_count = 0;
+ synth_putwc_s(ch);
+ } else if (char_type & spk_punc_mask) {
+ speak_char(ch);
+ char_type &= ~PUNC; /* for dec nospell processing */
+ } else if (char_type & SYNTH_OK) {
+ /* these are usually puncts like . and , which synth
+ * needs for expression.
+ * suppress multiple to get rid of long pauses and
+ * clear repeat count
+ * so if someone has
+ * repeats on you don't get nothing repeated count
+ */
+ if (ch != old_ch)
+ synth_putwc_s(ch);
+ else
+ rep_count = 0;
+ } else {
+/* send space and record position, if next is num overwrite space */
+ if (old_ch != ch)
+ synth_buffer_add(SPACE);
+ else
+ rep_count = 0;
+ }
+ old_ch = ch;
+ last_type = char_type;
+ }
+ spk_lastkey = 0;
+ if (in_count > 2 && rep_count > 2) {
+ if (last_type & CH_RPT) {
+ synth_printf(" ");
+ synth_printf(spk_msg_get(MSG_REPEAT_DESC2),
+ ++rep_count);
+ synth_printf(" ");
+ }
+ rep_count = 0;
+ }
+}
+
+static const int NUM_CTL_LABELS = (MSG_CTL_END - MSG_CTL_START + 1);
+
+static void read_all_doc(struct vc_data *vc);
+static void cursor_done(struct timer_list *unused);
+static DEFINE_TIMER(cursor_timer, cursor_done);
+
+static void do_handle_shift(struct vc_data *vc, u_char value, char up_flag)
+{
+ unsigned long flags;
+
+ if (!synth || up_flag || spk_killed)
+ return;
+ spin_lock_irqsave(&speakup_info.spinlock, flags);
+ if (cursor_track == read_all_mode) {
+ switch (value) {
+ case KVAL(K_SHIFT):
+ del_timer(&cursor_timer);
+ spk_shut_up &= 0xfe;
+ spk_do_flush();
+ read_all_doc(vc);
+ break;
+ case KVAL(K_CTRL):
+ del_timer(&cursor_timer);
+ cursor_track = prev_cursor_track;
+ spk_shut_up &= 0xfe;
+ spk_do_flush();
+ break;
+ }
+ } else {
+ spk_shut_up &= 0xfe;
+ spk_do_flush();
+ }
+ if (spk_say_ctrl && value < NUM_CTL_LABELS)
+ synth_printf("%s", spk_msg_get(MSG_CTL_START + value));
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+}
+
+static void do_handle_latin(struct vc_data *vc, u_char value, char up_flag)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&speakup_info.spinlock, flags);
+ if (up_flag) {
+ spk_lastkey = 0;
+ spk_keydown = 0;
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return;
+ }
+ if (!synth || spk_killed) {
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return;
+ }
+ spk_shut_up &= 0xfe;
+ spk_lastkey = value;
+ spk_keydown++;
+ spk_parked &= 0xfe;
+ if (spk_key_echo == 2 && value >= MINECHOCHAR)
+ speak_char(value);
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+}
+
+int spk_set_key_info(const u_char *key_info, u_char *k_buffer)
+{
+ int i = 0, states, key_data_len;
+ const u_char *cp = key_info;
+ u_char *cp1 = k_buffer;
+ u_char ch, version, num_keys;
+
+ version = *cp++;
+ if (version != KEY_MAP_VER) {
+ pr_debug("version found %d should be %d\n",
+ version, KEY_MAP_VER);
+ return -EINVAL;
+ }
+ num_keys = *cp;
+ states = (int)cp[1];
+ key_data_len = (states + 1) * (num_keys + 1);
+ if (key_data_len + SHIFT_TBL_SIZE + 4 >= sizeof(spk_key_buf)) {
+ pr_debug("too many key_infos (%d over %u)\n",
+ key_data_len + SHIFT_TBL_SIZE + 4,
+ (unsigned int)(sizeof(spk_key_buf)));
+ return -EINVAL;
+ }
+ memset(k_buffer, 0, SHIFT_TBL_SIZE);
+ memset(spk_our_keys, 0, sizeof(spk_our_keys));
+ spk_shift_table = k_buffer;
+ spk_our_keys[0] = spk_shift_table;
+ cp1 += SHIFT_TBL_SIZE;
+ memcpy(cp1, cp, key_data_len + 3);
+ /* get num_keys, states and data */
+ cp1 += 2; /* now pointing at shift states */
+ for (i = 1; i <= states; i++) {
+ ch = *cp1++;
+ if (ch >= SHIFT_TBL_SIZE) {
+ pr_debug("(%d) not valid shift state (max_allowed = %d)\n",
+ ch, SHIFT_TBL_SIZE);
+ return -EINVAL;
+ }
+ spk_shift_table[ch] = i;
+ }
+ keymap_flags = *cp1++;
+ while ((ch = *cp1)) {
+ if (ch >= MAX_KEY) {
+ pr_debug("(%d), not valid key, (max_allowed = %d)\n",
+ ch, MAX_KEY);
+ return -EINVAL;
+ }
+ spk_our_keys[ch] = cp1;
+ cp1 += states + 1;
+ }
+ return 0;
+}
+
+static struct var_t spk_vars[] = {
+ /* bell must be first to set high limit */
+ {BELL_POS, .u.n = {NULL, 0, 0, 0, 0, 0, NULL} },
+ {SPELL_DELAY, .u.n = {NULL, 0, 0, 4, 0, 0, NULL} },
+ {ATTRIB_BLEEP, .u.n = {NULL, 1, 0, 3, 0, 0, NULL} },
+ {BLEEPS, .u.n = {NULL, 3, 0, 3, 0, 0, NULL} },
+ {BLEEP_TIME, .u.n = {NULL, 30, 1, 200, 0, 0, NULL} },
+ {PUNC_LEVEL, .u.n = {NULL, 1, 0, 4, 0, 0, NULL} },
+ {READING_PUNC, .u.n = {NULL, 1, 0, 4, 0, 0, NULL} },
+ {CURSOR_TIME, .u.n = {NULL, 120, 50, 600, 0, 0, NULL} },
+ {SAY_CONTROL, TOGGLE_0},
+ {SAY_WORD_CTL, TOGGLE_0},
+ {NO_INTERRUPT, TOGGLE_0},
+ {KEY_ECHO, .u.n = {NULL, 1, 0, 2, 0, 0, NULL} },
+ V_LAST_VAR
+};
+
+static void toggle_cursoring(struct vc_data *vc)
+{
+ if (cursor_track == read_all_mode)
+ cursor_track = prev_cursor_track;
+ if (++cursor_track >= CT_Max)
+ cursor_track = 0;
+ synth_printf("%s\n", spk_msg_get(MSG_CURSOR_MSGS_START + cursor_track));
+}
+
+void spk_reset_default_chars(void)
+{
+ int i;
+
+ /* First, free any non-default */
+ for (i = 0; i < 256; i++) {
+ if (spk_characters[i] &&
+ (spk_characters[i] != spk_default_chars[i]))
+ kfree(spk_characters[i]);
+ }
+
+ memcpy(spk_characters, spk_default_chars, sizeof(spk_default_chars));
+}
+
+void spk_reset_default_chartab(void)
+{
+ memcpy(spk_chartab, default_chartab, sizeof(default_chartab));
+}
+
+static const struct st_bits_data *pb_edit;
+
+static int edit_bits(struct vc_data *vc, u_char type, u_char ch, u_short key)
+{
+ short mask = pb_edit->mask, ch_type = spk_chartab[ch];
+
+ if (type != KT_LATIN || (ch_type & B_NUM) || ch < SPACE)
+ return -1;
+ if (ch == SPACE) {
+ synth_printf("%s\n", spk_msg_get(MSG_EDIT_DONE));
+ spk_special_handler = NULL;
+ return 1;
+ }
+ if (mask < PUNC && !(ch_type & PUNC))
+ return -1;
+ spk_chartab[ch] ^= mask;
+ speak_char(ch);
+ synth_printf(" %s\n",
+ (spk_chartab[ch] & mask) ? spk_msg_get(MSG_ON) :
+ spk_msg_get(MSG_OFF));
+ return 1;
+}
+
+/* Allocation concurrency is protected by the console semaphore */
+static int speakup_allocate(struct vc_data *vc, gfp_t gfp_flags)
+{
+ int vc_num;
+
+ vc_num = vc->vc_num;
+ if (!speakup_console[vc_num]) {
+ speakup_console[vc_num] = kzalloc(sizeof(*speakup_console[0]),
+ gfp_flags);
+ if (!speakup_console[vc_num])
+ return -ENOMEM;
+ speakup_date(vc);
+ } else if (!spk_parked) {
+ speakup_date(vc);
+ }
+
+ return 0;
+}
+
+static void speakup_deallocate(struct vc_data *vc)
+{
+ int vc_num;
+
+ vc_num = vc->vc_num;
+ kfree(speakup_console[vc_num]);
+ speakup_console[vc_num] = NULL;
+}
+
+static u_char is_cursor;
+static u_long old_cursor_pos, old_cursor_x, old_cursor_y;
+static int cursor_con;
+
+static void reset_highlight_buffers(struct vc_data *);
+
+static int read_all_key;
+
+static int in_keyboard_notifier;
+
+static void start_read_all_timer(struct vc_data *vc, int command);
+
+enum {
+ RA_NOTHING,
+ RA_NEXT_SENT,
+ RA_PREV_LINE,
+ RA_NEXT_LINE,
+ RA_PREV_SENT,
+ RA_DOWN_ARROW,
+ RA_TIMER,
+ RA_FIND_NEXT_SENT,
+ RA_FIND_PREV_SENT,
+};
+
+static void kbd_fakekey2(struct vc_data *vc, int command)
+{
+ del_timer(&cursor_timer);
+ speakup_fake_down_arrow();
+ start_read_all_timer(vc, command);
+}
+
+static void read_all_doc(struct vc_data *vc)
+{
+ if ((vc->vc_num != fg_console) || !synth || spk_shut_up)
+ return;
+ if (!synth_supports_indexing())
+ return;
+ if (cursor_track != read_all_mode)
+ prev_cursor_track = cursor_track;
+ cursor_track = read_all_mode;
+ spk_reset_index_count(0);
+ if (get_sentence_buf(vc, 0) == -1) {
+ del_timer(&cursor_timer);
+ if (!in_keyboard_notifier)
+ speakup_fake_down_arrow();
+ start_read_all_timer(vc, RA_DOWN_ARROW);
+ } else {
+ say_sentence_num(0, 0);
+ synth_insert_next_index(0);
+ start_read_all_timer(vc, RA_TIMER);
+ }
+}
+
+static void stop_read_all(struct vc_data *vc)
+{
+ del_timer(&cursor_timer);
+ cursor_track = prev_cursor_track;
+ spk_shut_up &= 0xfe;
+ spk_do_flush();
+}
+
+static void start_read_all_timer(struct vc_data *vc, int command)
+{
+ struct var_t *cursor_timeout;
+
+ cursor_con = vc->vc_num;
+ read_all_key = command;
+ cursor_timeout = spk_get_var(CURSOR_TIME);
+ mod_timer(&cursor_timer,
+ jiffies + msecs_to_jiffies(cursor_timeout->u.n.value));
+}
+
+static void handle_cursor_read_all(struct vc_data *vc, int command)
+{
+ int indcount, sentcount, rv, sn;
+
+ switch (command) {
+ case RA_NEXT_SENT:
+ /* Get Current Sentence */
+ spk_get_index_count(&indcount, &sentcount);
+ /*printk("%d %d ", indcount, sentcount); */
+ spk_reset_index_count(sentcount + 1);
+ if (indcount == 1) {
+ if (!say_sentence_num(sentcount + 1, 0)) {
+ kbd_fakekey2(vc, RA_FIND_NEXT_SENT);
+ return;
+ }
+ synth_insert_next_index(0);
+ } else {
+ sn = 0;
+ if (!say_sentence_num(sentcount + 1, 1)) {
+ sn = 1;
+ spk_reset_index_count(sn);
+ } else {
+ synth_insert_next_index(0);
+ }
+ if (!say_sentence_num(sn, 0)) {
+ kbd_fakekey2(vc, RA_FIND_NEXT_SENT);
+ return;
+ }
+ synth_insert_next_index(0);
+ }
+ start_read_all_timer(vc, RA_TIMER);
+ break;
+ case RA_PREV_SENT:
+ break;
+ case RA_NEXT_LINE:
+ read_all_doc(vc);
+ break;
+ case RA_PREV_LINE:
+ break;
+ case RA_DOWN_ARROW:
+ if (get_sentence_buf(vc, 0) == -1) {
+ kbd_fakekey2(vc, RA_DOWN_ARROW);
+ } else {
+ say_sentence_num(0, 0);
+ synth_insert_next_index(0);
+ start_read_all_timer(vc, RA_TIMER);
+ }
+ break;
+ case RA_FIND_NEXT_SENT:
+ rv = get_sentence_buf(vc, 0);
+ if (rv == -1)
+ read_all_doc(vc);
+ if (rv == 0) {
+ kbd_fakekey2(vc, RA_FIND_NEXT_SENT);
+ } else {
+ say_sentence_num(1, 0);
+ synth_insert_next_index(0);
+ start_read_all_timer(vc, RA_TIMER);
+ }
+ break;
+ case RA_FIND_PREV_SENT:
+ break;
+ case RA_TIMER:
+ spk_get_index_count(&indcount, &sentcount);
+ if (indcount < 2)
+ kbd_fakekey2(vc, RA_DOWN_ARROW);
+ else
+ start_read_all_timer(vc, RA_TIMER);
+ break;
+ }
+}
+
+static int pre_handle_cursor(struct vc_data *vc, u_char value, char up_flag)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&speakup_info.spinlock, flags);
+ if (cursor_track == read_all_mode) {
+ spk_parked &= 0xfe;
+ if (!synth || up_flag || spk_shut_up) {
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return NOTIFY_STOP;
+ }
+ del_timer(&cursor_timer);
+ spk_shut_up &= 0xfe;
+ spk_do_flush();
+ start_read_all_timer(vc, value + 1);
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return NOTIFY_STOP;
+ }
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return NOTIFY_OK;
+}
+
+static void do_handle_cursor(struct vc_data *vc, u_char value, char up_flag)
+{
+ unsigned long flags;
+ struct var_t *cursor_timeout;
+
+ spin_lock_irqsave(&speakup_info.spinlock, flags);
+ spk_parked &= 0xfe;
+ if (!synth || up_flag || spk_shut_up || cursor_track == CT_Off) {
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return;
+ }
+ spk_shut_up &= 0xfe;
+ if (spk_no_intr)
+ spk_do_flush();
+/* the key press flushes if !no_inter but we want to flush on cursor
+ * moves regardless of no_inter state
+ */
+ is_cursor = value + 1;
+ old_cursor_pos = vc->vc_pos;
+ old_cursor_x = vc->state.x;
+ old_cursor_y = vc->state.y;
+ speakup_console[vc->vc_num]->ht.cy = vc->state.y;
+ cursor_con = vc->vc_num;
+ if (cursor_track == CT_Highlight)
+ reset_highlight_buffers(vc);
+ cursor_timeout = spk_get_var(CURSOR_TIME);
+ mod_timer(&cursor_timer,
+ jiffies + msecs_to_jiffies(cursor_timeout->u.n.value));
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+}
+
+static void update_color_buffer(struct vc_data *vc, const u16 *ic, int len)
+{
+ int i, bi, hi;
+ int vc_num = vc->vc_num;
+
+ bi = (vc->vc_attr & 0x70) >> 4;
+ hi = speakup_console[vc_num]->ht.highsize[bi];
+
+ i = 0;
+ if (speakup_console[vc_num]->ht.highsize[bi] == 0) {
+ speakup_console[vc_num]->ht.rpos[bi] = vc->vc_pos;
+ speakup_console[vc_num]->ht.rx[bi] = vc->state.x;
+ speakup_console[vc_num]->ht.ry[bi] = vc->state.y;
+ }
+ while ((hi < COLOR_BUFFER_SIZE) && (i < len)) {
+ if (ic[i] > 32) {
+ speakup_console[vc_num]->ht.highbuf[bi][hi] = ic[i];
+ hi++;
+ } else if ((ic[i] == 32) && (hi != 0)) {
+ if (speakup_console[vc_num]->ht.highbuf[bi][hi - 1] !=
+ 32) {
+ speakup_console[vc_num]->ht.highbuf[bi][hi] =
+ ic[i];
+ hi++;
+ }
+ }
+ i++;
+ }
+ speakup_console[vc_num]->ht.highsize[bi] = hi;
+}
+
+static void reset_highlight_buffers(struct vc_data *vc)
+{
+ int i;
+ int vc_num = vc->vc_num;
+
+ for (i = 0; i < 8; i++)
+ speakup_console[vc_num]->ht.highsize[i] = 0;
+}
+
+static int count_highlight_color(struct vc_data *vc)
+{
+ int i, bg;
+ int cc;
+ int vc_num = vc->vc_num;
+ u16 ch;
+ u16 *start = (u16 *)vc->vc_origin;
+
+ for (i = 0; i < 8; i++)
+ speakup_console[vc_num]->ht.bgcount[i] = 0;
+
+ for (i = 0; i < vc->vc_rows; i++) {
+ u16 *end = start + vc->vc_cols * 2;
+ u16 *ptr;
+
+ for (ptr = start; ptr < end; ptr++) {
+ ch = get_attributes(vc, ptr);
+ bg = (ch & 0x70) >> 4;
+ speakup_console[vc_num]->ht.bgcount[bg]++;
+ }
+ start += vc->vc_size_row;
+ }
+
+ cc = 0;
+ for (i = 0; i < 8; i++)
+ if (speakup_console[vc_num]->ht.bgcount[i] > 0)
+ cc++;
+ return cc;
+}
+
+static int get_highlight_color(struct vc_data *vc)
+{
+ int i, j;
+ unsigned int cptr[8];
+ int vc_num = vc->vc_num;
+
+ for (i = 0; i < 8; i++)
+ cptr[i] = i;
+
+ for (i = 0; i < 7; i++)
+ for (j = i + 1; j < 8; j++)
+ if (speakup_console[vc_num]->ht.bgcount[cptr[i]] >
+ speakup_console[vc_num]->ht.bgcount[cptr[j]])
+ swap(cptr[i], cptr[j]);
+
+ for (i = 0; i < 8; i++)
+ if (speakup_console[vc_num]->ht.bgcount[cptr[i]] != 0)
+ if (speakup_console[vc_num]->ht.highsize[cptr[i]] > 0)
+ return cptr[i];
+ return -1;
+}
+
+static int speak_highlight(struct vc_data *vc)
+{
+ int hc, d;
+ int vc_num = vc->vc_num;
+
+ if (count_highlight_color(vc) == 1)
+ return 0;
+ hc = get_highlight_color(vc);
+ if (hc != -1) {
+ d = vc->state.y - speakup_console[vc_num]->ht.cy;
+ if ((d == 1) || (d == -1))
+ if (speakup_console[vc_num]->ht.ry[hc] != vc->state.y)
+ return 0;
+ spk_parked |= 0x01;
+ spk_do_flush();
+ spkup_write(speakup_console[vc_num]->ht.highbuf[hc],
+ speakup_console[vc_num]->ht.highsize[hc]);
+ spk_pos = spk_cp = speakup_console[vc_num]->ht.rpos[hc];
+ spk_x = spk_cx = speakup_console[vc_num]->ht.rx[hc];
+ spk_y = spk_cy = speakup_console[vc_num]->ht.ry[hc];
+ return 1;
+ }
+ return 0;
+}
+
+static void cursor_done(struct timer_list *unused)
+{
+ struct vc_data *vc = vc_cons[cursor_con].d;
+ unsigned long flags;
+
+ del_timer(&cursor_timer);
+ spin_lock_irqsave(&speakup_info.spinlock, flags);
+ if (cursor_con != fg_console) {
+ is_cursor = 0;
+ goto out;
+ }
+ speakup_date(vc);
+ if (win_enabled) {
+ if (vc->state.x >= win_left && vc->state.x <= win_right &&
+ vc->state.y >= win_top && vc->state.y <= win_bottom) {
+ spk_keydown = 0;
+ is_cursor = 0;
+ goto out;
+ }
+ }
+ if (cursor_track == read_all_mode) {
+ handle_cursor_read_all(vc, read_all_key);
+ goto out;
+ }
+ if (cursor_track == CT_Highlight) {
+ if (speak_highlight(vc)) {
+ spk_keydown = 0;
+ is_cursor = 0;
+ goto out;
+ }
+ }
+ if (cursor_track == CT_Window)
+ speakup_win_say(vc);
+ else if (is_cursor == 1 || is_cursor == 4)
+ say_line_from_to(vc, 0, vc->vc_cols, 0);
+ else
+ say_char(vc);
+ spk_keydown = 0;
+ is_cursor = 0;
+out:
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+}
+
+/* called by: vt_notifier_call() */
+static void speakup_bs(struct vc_data *vc)
+{
+ unsigned long flags;
+
+ if (!speakup_console[vc->vc_num])
+ return;
+ if (!spin_trylock_irqsave(&speakup_info.spinlock, flags))
+ /* Speakup output, discard */
+ return;
+ if (!spk_parked)
+ speakup_date(vc);
+ if (spk_shut_up || !synth) {
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return;
+ }
+ if (vc->vc_num == fg_console && spk_keydown) {
+ spk_keydown = 0;
+ if (!is_cursor)
+ say_char(vc);
+ }
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+}
+
+/* called by: vt_notifier_call() */
+static void speakup_con_write(struct vc_data *vc, u16 *str, int len)
+{
+ unsigned long flags;
+
+ if ((vc->vc_num != fg_console) || spk_shut_up || !synth)
+ return;
+ if (!spin_trylock_irqsave(&speakup_info.spinlock, flags))
+ /* Speakup output, discard */
+ return;
+ if (spk_bell_pos && spk_keydown && (vc->state.x == spk_bell_pos - 1))
+ bleep(3);
+ if ((is_cursor) || (cursor_track == read_all_mode)) {
+ if (cursor_track == CT_Highlight)
+ update_color_buffer(vc, str, len);
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return;
+ }
+ if (win_enabled) {
+ if (vc->state.x >= win_left && vc->state.x <= win_right &&
+ vc->state.y >= win_top && vc->state.y <= win_bottom) {
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return;
+ }
+ }
+
+ spkup_write(str, len);
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+}
+
+static void speakup_con_update(struct vc_data *vc)
+{
+ unsigned long flags;
+
+ if (!speakup_console[vc->vc_num] || spk_parked)
+ return;
+ if (!spin_trylock_irqsave(&speakup_info.spinlock, flags))
+ /* Speakup output, discard */
+ return;
+ speakup_date(vc);
+ if (vc->vc_mode == KD_GRAPHICS && !spk_paused && spk_str_pause[0]) {
+ synth_printf("%s", spk_str_pause);
+ spk_paused = true;
+ }
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+}
+
+static void do_handle_spec(struct vc_data *vc, u_char value, char up_flag)
+{
+ unsigned long flags;
+ int on_off = 2;
+ char *label;
+
+ if (!synth || up_flag || spk_killed)
+ return;
+ spin_lock_irqsave(&speakup_info.spinlock, flags);
+ spk_shut_up &= 0xfe;
+ if (spk_no_intr)
+ spk_do_flush();
+ switch (value) {
+ case KVAL(K_CAPS):
+ label = spk_msg_get(MSG_KEYNAME_CAPSLOCK);
+ on_off = vt_get_leds(fg_console, VC_CAPSLOCK);
+ break;
+ case KVAL(K_NUM):
+ label = spk_msg_get(MSG_KEYNAME_NUMLOCK);
+ on_off = vt_get_leds(fg_console, VC_NUMLOCK);
+ break;
+ case KVAL(K_HOLD):
+ label = spk_msg_get(MSG_KEYNAME_SCROLLLOCK);
+ on_off = vt_get_leds(fg_console, VC_SCROLLOCK);
+ if (speakup_console[vc->vc_num])
+ speakup_console[vc->vc_num]->tty_stopped = on_off;
+ break;
+ default:
+ spk_parked &= 0xfe;
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return;
+ }
+ if (on_off < 2)
+ synth_printf("%s %s\n",
+ label, spk_msg_get(MSG_STATUS_START + on_off));
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+}
+
+static int inc_dec_var(u_char value)
+{
+ struct st_var_header *p_header;
+ struct var_t *var_data;
+ char num_buf[32];
+ char *cp = num_buf;
+ char *pn;
+ int var_id = (int)value - VAR_START;
+ int how = (var_id & 1) ? E_INC : E_DEC;
+
+ var_id = var_id / 2 + FIRST_SET_VAR;
+ p_header = spk_get_var_header(var_id);
+ if (!p_header)
+ return -1;
+ if (p_header->var_type != VAR_NUM)
+ return -1;
+ var_data = p_header->data;
+ if (spk_set_num_var(1, p_header, how) != 0)
+ return -1;
+ if (!spk_close_press) {
+ for (pn = p_header->name; *pn; pn++) {
+ if (*pn == '_')
+ *cp = SPACE;
+ else
+ *cp++ = *pn;
+ }
+ }
+ snprintf(cp, sizeof(num_buf) - (cp - num_buf), " %d ",
+ var_data->u.n.value);
+ synth_printf("%s", num_buf);
+ return 0;
+}
+
+static void speakup_win_set(struct vc_data *vc)
+{
+ char info[40];
+
+ if (win_start > 1) {
+ synth_printf("%s\n", spk_msg_get(MSG_WINDOW_ALREADY_SET));
+ return;
+ }
+ if (spk_x < win_left || spk_y < win_top) {
+ synth_printf("%s\n", spk_msg_get(MSG_END_BEFORE_START));
+ return;
+ }
+ if (win_start && spk_x == win_left && spk_y == win_top) {
+ win_left = 0;
+ win_right = vc->vc_cols - 1;
+ win_bottom = spk_y;
+ snprintf(info, sizeof(info), spk_msg_get(MSG_WINDOW_LINE),
+ (int)win_top + 1);
+ } else {
+ if (!win_start) {
+ win_top = spk_y;
+ win_left = spk_x;
+ } else {
+ win_bottom = spk_y;
+ win_right = spk_x;
+ }
+ snprintf(info, sizeof(info), spk_msg_get(MSG_WINDOW_BOUNDARY),
+ (win_start) ?
+ spk_msg_get(MSG_END) : spk_msg_get(MSG_START),
+ (int)spk_y + 1, (int)spk_x + 1);
+ }
+ synth_printf("%s\n", info);
+ win_start++;
+}
+
+static void speakup_win_clear(struct vc_data *vc)
+{
+ win_top = 0;
+ win_bottom = 0;
+ win_left = 0;
+ win_right = 0;
+ win_start = 0;
+ synth_printf("%s\n", spk_msg_get(MSG_WINDOW_CLEARED));
+}
+
+static void speakup_win_enable(struct vc_data *vc)
+{
+ if (win_start < 2) {
+ synth_printf("%s\n", spk_msg_get(MSG_NO_WINDOW));
+ return;
+ }
+ win_enabled ^= 1;
+ if (win_enabled)
+ synth_printf("%s\n", spk_msg_get(MSG_WINDOW_SILENCED));
+ else
+ synth_printf("%s\n", spk_msg_get(MSG_WINDOW_SILENCE_DISABLED));
+}
+
+static void speakup_bits(struct vc_data *vc)
+{
+ int val = this_speakup_key - (FIRST_EDIT_BITS - 1);
+
+ if (spk_special_handler || val < 1 || val > 6) {
+ synth_printf("%s\n", spk_msg_get(MSG_ERROR));
+ return;
+ }
+ pb_edit = &spk_punc_info[val];
+ synth_printf(spk_msg_get(MSG_EDIT_PROMPT), pb_edit->name);
+ spk_special_handler = edit_bits;
+}
+
+static int handle_goto(struct vc_data *vc, u_char type, u_char ch, u_short key)
+{
+ static u_char goto_buf[8];
+ static int num;
+ int maxlen;
+ char *cp;
+ u16 wch;
+
+ if (type == KT_SPKUP && ch == SPEAKUP_GOTO)
+ goto do_goto;
+ if (type == KT_LATIN && ch == '\n')
+ goto do_goto;
+ if (type != 0)
+ goto oops;
+ if (ch == 8) {
+ u16 wch;
+
+ if (num == 0)
+ return -1;
+ wch = goto_buf[--num];
+ goto_buf[num] = '\0';
+ spkup_write(&wch, 1);
+ return 1;
+ }
+ if (ch < '+' || ch > 'y')
+ goto oops;
+ wch = ch;
+ goto_buf[num++] = ch;
+ goto_buf[num] = '\0';
+ spkup_write(&wch, 1);
+ maxlen = (*goto_buf >= '0') ? 3 : 4;
+ if ((ch == '+' || ch == '-') && num == 1)
+ return 1;
+ if (ch >= '0' && ch <= '9' && num < maxlen)
+ return 1;
+ if (num < maxlen - 1 || num > maxlen)
+ goto oops;
+ if (ch < 'x' || ch > 'y') {
+oops:
+ if (!spk_killed)
+ synth_printf(" %s\n", spk_msg_get(MSG_GOTO_CANCELED));
+ goto_buf[num = 0] = '\0';
+ spk_special_handler = NULL;
+ return 1;
+ }
+
+ /* Do not replace with kstrtoul: here we need cp to be updated */
+ goto_pos = simple_strtoul(goto_buf, &cp, 10);
+
+ if (*cp == 'x') {
+ if (*goto_buf < '0')
+ goto_pos += spk_x;
+ else if (goto_pos > 0)
+ goto_pos--;
+
+ if (goto_pos >= vc->vc_cols)
+ goto_pos = vc->vc_cols - 1;
+ goto_x = 1;
+ } else {
+ if (*goto_buf < '0')
+ goto_pos += spk_y;
+ else if (goto_pos > 0)
+ goto_pos--;
+
+ if (goto_pos >= vc->vc_rows)
+ goto_pos = vc->vc_rows - 1;
+ goto_x = 0;
+ }
+ goto_buf[num = 0] = '\0';
+do_goto:
+ spk_special_handler = NULL;
+ spk_parked |= 0x01;
+ if (goto_x) {
+ spk_pos -= spk_x * 2;
+ spk_x = goto_pos;
+ spk_pos += goto_pos * 2;
+ say_word(vc);
+ } else {
+ spk_y = goto_pos;
+ spk_pos = vc->vc_origin + (goto_pos * vc->vc_size_row);
+ say_line(vc);
+ }
+ return 1;
+}
+
+static void speakup_goto(struct vc_data *vc)
+{
+ if (spk_special_handler) {
+ synth_printf("%s\n", spk_msg_get(MSG_ERROR));
+ return;
+ }
+ synth_printf("%s\n", spk_msg_get(MSG_GOTO));
+ spk_special_handler = handle_goto;
+}
+
+static void speakup_help(struct vc_data *vc)
+{
+ spk_handle_help(vc, KT_SPKUP, SPEAKUP_HELP, 0);
+}
+
+static void do_nothing(struct vc_data *vc)
+{
+ return; /* flush done in do_spkup */
+}
+
+static u_char key_speakup, spk_key_locked;
+
+static void speakup_lock(struct vc_data *vc)
+{
+ if (!spk_key_locked) {
+ spk_key_locked = 16;
+ key_speakup = 16;
+ } else {
+ spk_key_locked = 0;
+ key_speakup = 0;
+ }
+}
+
+typedef void (*spkup_hand) (struct vc_data *);
+static spkup_hand spkup_handler[] = {
+ /* must be ordered same as defines in speakup.h */
+ do_nothing, speakup_goto, speech_kill, speakup_shut_up,
+ speakup_cut, speakup_paste, say_first_char, say_last_char,
+ say_char, say_prev_char, say_next_char,
+ say_word, say_prev_word, say_next_word,
+ say_line, say_prev_line, say_next_line,
+ top_edge, bottom_edge, left_edge, right_edge,
+ spell_word, spell_word, say_screen,
+ say_position, say_attributes,
+ speakup_off, speakup_parked, say_line, /* this is for indent */
+ say_from_top, say_to_bottom,
+ say_from_left, say_to_right,
+ say_char_num, speakup_bits, speakup_bits, say_phonetic_char,
+ speakup_bits, speakup_bits, speakup_bits,
+ speakup_win_set, speakup_win_clear, speakup_win_enable, speakup_win_say,
+ speakup_lock, speakup_help, toggle_cursoring, read_all_doc, NULL
+};
+
+static void do_spkup(struct vc_data *vc, u_char value)
+{
+ if (spk_killed && value != SPEECH_KILL)
+ return;
+ spk_keydown = 0;
+ spk_lastkey = 0;
+ spk_shut_up &= 0xfe;
+ this_speakup_key = value;
+ if (value < SPKUP_MAX_FUNC && spkup_handler[value]) {
+ spk_do_flush();
+ (*spkup_handler[value]) (vc);
+ } else {
+ if (inc_dec_var(value) < 0)
+ bleep(9);
+ }
+}
+
+static const char *pad_chars = "0123456789+-*/\015,.?()";
+
+static int
+speakup_key(struct vc_data *vc, int shift_state, int keycode, u_short keysym,
+ int up_flag)
+{
+ unsigned long flags;
+ int kh;
+ u_char *key_info;
+ u_char type = KTYP(keysym), value = KVAL(keysym), new_key = 0;
+ u_char shift_info, offset;
+ int ret = 0;
+
+ if (!synth)
+ return 0;
+
+ spin_lock_irqsave(&speakup_info.spinlock, flags);
+ tty = vc->port.tty;
+ if (type >= 0xf0)
+ type -= 0xf0;
+ if (type == KT_PAD &&
+ (vt_get_leds(fg_console, VC_NUMLOCK))) {
+ if (up_flag) {
+ spk_keydown = 0;
+ goto out;
+ }
+ value = pad_chars[value];
+ spk_lastkey = value;
+ spk_keydown++;
+ spk_parked &= 0xfe;
+ goto no_map;
+ }
+ if (keycode >= MAX_KEY)
+ goto no_map;
+ key_info = spk_our_keys[keycode];
+ if (!key_info)
+ goto no_map;
+ /* Check valid read all mode keys */
+ if ((cursor_track == read_all_mode) && (!up_flag)) {
+ switch (value) {
+ case KVAL(K_DOWN):
+ case KVAL(K_UP):
+ case KVAL(K_LEFT):
+ case KVAL(K_RIGHT):
+ case KVAL(K_PGUP):
+ case KVAL(K_PGDN):
+ break;
+ default:
+ stop_read_all(vc);
+ break;
+ }
+ }
+ shift_info = (shift_state & 0x0f) + key_speakup;
+ offset = spk_shift_table[shift_info];
+ if (offset) {
+ new_key = key_info[offset];
+ if (new_key) {
+ ret = 1;
+ if (new_key == SPK_KEY) {
+ if (!spk_key_locked)
+ key_speakup = (up_flag) ? 0 : 16;
+ if (up_flag || spk_killed)
+ goto out;
+ spk_shut_up &= 0xfe;
+ spk_do_flush();
+ goto out;
+ }
+ if (up_flag)
+ goto out;
+ if (last_keycode == keycode &&
+ time_after(last_spk_jiffy + MAX_DELAY, jiffies)) {
+ spk_close_press = 1;
+ offset = spk_shift_table[shift_info + 32];
+ /* double press? */
+ if (offset && key_info[offset])
+ new_key = key_info[offset];
+ }
+ last_keycode = keycode;
+ last_spk_jiffy = jiffies;
+ type = KT_SPKUP;
+ value = new_key;
+ }
+ }
+no_map:
+ if (type == KT_SPKUP && !spk_special_handler) {
+ do_spkup(vc, new_key);
+ spk_close_press = 0;
+ ret = 1;
+ goto out;
+ }
+ if (up_flag || spk_killed || type == KT_SHIFT)
+ goto out;
+ spk_shut_up &= 0xfe;
+ kh = (value == KVAL(K_DOWN)) ||
+ (value == KVAL(K_UP)) ||
+ (value == KVAL(K_LEFT)) ||
+ (value == KVAL(K_RIGHT));
+ if ((cursor_track != read_all_mode) || !kh)
+ if (!spk_no_intr)
+ spk_do_flush();
+ if (spk_special_handler) {
+ if (type == KT_SPEC && value == 1) {
+ value = '\n';
+ type = KT_LATIN;
+ } else if (type == KT_LETTER) {
+ type = KT_LATIN;
+ } else if (value == 0x7f) {
+ value = 8; /* make del = backspace */
+ }
+ ret = (*spk_special_handler) (vc, type, value, keycode);
+ spk_close_press = 0;
+ if (ret < 0)
+ bleep(9);
+ goto out;
+ }
+ last_keycode = 0;
+out:
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return ret;
+}
+
+static int keyboard_notifier_call(struct notifier_block *nb,
+ unsigned long code, void *_param)
+{
+ struct keyboard_notifier_param *param = _param;
+ struct vc_data *vc = param->vc;
+ int up = !param->down;
+ int ret = NOTIFY_OK;
+ static int keycode; /* to hold the current keycode */
+
+ in_keyboard_notifier = 1;
+
+ if (vc->vc_mode == KD_GRAPHICS)
+ goto out;
+
+ /*
+ * First, determine whether we are handling a fake keypress on
+ * the current processor. If we are, then return NOTIFY_OK,
+ * to pass the keystroke up the chain. This prevents us from
+ * trying to take the Speakup lock while it is held by the
+ * processor on which the simulated keystroke was generated.
+ * Also, the simulated keystrokes should be ignored by Speakup.
+ */
+
+ if (speakup_fake_key_pressed())
+ goto out;
+
+ switch (code) {
+ case KBD_KEYCODE:
+ /* speakup requires keycode and keysym currently */
+ keycode = param->value;
+ break;
+ case KBD_UNBOUND_KEYCODE:
+ /* not used yet */
+ break;
+ case KBD_UNICODE:
+ /* not used yet */
+ break;
+ case KBD_KEYSYM:
+ if (speakup_key(vc, param->shift, keycode, param->value, up))
+ ret = NOTIFY_STOP;
+ else if (KTYP(param->value) == KT_CUR)
+ ret = pre_handle_cursor(vc, KVAL(param->value), up);
+ break;
+ case KBD_POST_KEYSYM:{
+ unsigned char type = KTYP(param->value) - 0xf0;
+ unsigned char val = KVAL(param->value);
+
+ switch (type) {
+ case KT_SHIFT:
+ do_handle_shift(vc, val, up);
+ break;
+ case KT_LATIN:
+ case KT_LETTER:
+ do_handle_latin(vc, val, up);
+ break;
+ case KT_CUR:
+ do_handle_cursor(vc, val, up);
+ break;
+ case KT_SPEC:
+ do_handle_spec(vc, val, up);
+ break;
+ }
+ break;
+ }
+ }
+out:
+ in_keyboard_notifier = 0;
+ return ret;
+}
+
+static int vt_notifier_call(struct notifier_block *nb,
+ unsigned long code, void *_param)
+{
+ struct vt_notifier_param *param = _param;
+ struct vc_data *vc = param->vc;
+
+ switch (code) {
+ case VT_ALLOCATE:
+ if (vc->vc_mode == KD_TEXT)
+ speakup_allocate(vc, GFP_ATOMIC);
+ break;
+ case VT_DEALLOCATE:
+ speakup_deallocate(vc);
+ break;
+ case VT_WRITE:
+ if (param->c == '\b') {
+ speakup_bs(vc);
+ } else {
+ u16 d = param->c;
+
+ speakup_con_write(vc, &d, 1);
+ }
+ break;
+ case VT_UPDATE:
+ speakup_con_update(vc);
+ break;
+ }
+ return NOTIFY_OK;
+}
+
+/* called by: module_exit() */
+static void __exit speakup_exit(void)
+{
+ int i;
+
+ unregister_keyboard_notifier(&keyboard_notifier_block);
+ unregister_vt_notifier(&vt_notifier_block);
+ speakup_unregister_devsynth();
+ speakup_cancel_selection();
+ speakup_cancel_paste();
+ del_timer_sync(&cursor_timer);
+ kthread_stop(speakup_task);
+ speakup_task = NULL;
+ mutex_lock(&spk_mutex);
+ synth_release();
+ mutex_unlock(&spk_mutex);
+ spk_ttyio_unregister_ldisc();
+
+ speakup_kobj_exit();
+
+ for (i = 0; i < MAX_NR_CONSOLES; i++)
+ kfree(speakup_console[i]);
+
+ speakup_remove_virtual_keyboard();
+
+ for (i = 0; i < MAXVARS; i++)
+ speakup_unregister_var(i);
+
+ for (i = 0; i < 256; i++) {
+ if (spk_characters[i] != spk_default_chars[i])
+ kfree(spk_characters[i]);
+ }
+
+ spk_free_user_msgs();
+}
+
+/* call by: module_init() */
+static int __init speakup_init(void)
+{
+ int i;
+ long err = 0;
+ struct vc_data *vc = vc_cons[fg_console].d;
+ struct var_t *var;
+
+ /* These first few initializations cannot fail. */
+ spk_initialize_msgs(); /* Initialize arrays for i18n. */
+ spk_reset_default_chars();
+ spk_reset_default_chartab();
+ spk_strlwr(synth_name);
+ spk_vars[0].u.n.high = vc->vc_cols;
+ for (var = spk_vars; var->var_id != MAXVARS; var++)
+ speakup_register_var(var);
+ for (var = synth_time_vars;
+ (var->var_id >= 0) && (var->var_id < MAXVARS); var++)
+ speakup_register_var(var);
+ for (i = 1; spk_punc_info[i].mask != 0; i++)
+ spk_set_mask_bits(NULL, i, 2);
+
+ spk_set_key_info(spk_key_defaults, spk_key_buf);
+
+ /* From here on out, initializations can fail. */
+ err = speakup_add_virtual_keyboard();
+ if (err)
+ goto error_virtkeyboard;
+
+ for (i = 0; i < MAX_NR_CONSOLES; i++)
+ if (vc_cons[i].d) {
+ err = speakup_allocate(vc_cons[i].d, GFP_KERNEL);
+ if (err)
+ goto error_kobjects;
+ }
+
+ if (spk_quiet_boot)
+ spk_shut_up |= 0x01;
+
+ err = speakup_kobj_init();
+ if (err)
+ goto error_kobjects;
+
+ spk_ttyio_register_ldisc();
+ synth_init(synth_name);
+ speakup_register_devsynth();
+ /*
+ * register_devsynth might fail, but this error is not fatal.
+ * /dev/synth is an extra feature; the rest of Speakup
+ * will work fine without it.
+ */
+
+ err = register_keyboard_notifier(&keyboard_notifier_block);
+ if (err)
+ goto error_kbdnotifier;
+ err = register_vt_notifier(&vt_notifier_block);
+ if (err)
+ goto error_vtnotifier;
+
+ speakup_task = kthread_create(speakup_thread, NULL, "speakup");
+
+ if (IS_ERR(speakup_task)) {
+ err = PTR_ERR(speakup_task);
+ goto error_task;
+ }
+
+ set_user_nice(speakup_task, 10);
+ wake_up_process(speakup_task);
+
+ pr_info("speakup %s: initialized\n", SPEAKUP_VERSION);
+ pr_info("synth name on entry is: %s\n", synth_name);
+ goto out;
+
+error_task:
+ unregister_vt_notifier(&vt_notifier_block);
+
+error_vtnotifier:
+ unregister_keyboard_notifier(&keyboard_notifier_block);
+ del_timer(&cursor_timer);
+
+error_kbdnotifier:
+ speakup_unregister_devsynth();
+ mutex_lock(&spk_mutex);
+ synth_release();
+ mutex_unlock(&spk_mutex);
+ speakup_kobj_exit();
+
+error_kobjects:
+ for (i = 0; i < MAX_NR_CONSOLES; i++)
+ kfree(speakup_console[i]);
+
+ speakup_remove_virtual_keyboard();
+
+error_virtkeyboard:
+ for (i = 0; i < MAXVARS; i++)
+ speakup_unregister_var(i);
+
+ for (i = 0; i < 256; i++) {
+ if (spk_characters[i] != spk_default_chars[i])
+ kfree(spk_characters[i]);
+ }
+
+ spk_free_user_msgs();
+
+out:
+ return err;
+}
+
+module_init(speakup_init);
+module_exit(speakup_exit);
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-30 11:37:38 +0000