Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 344 insertions, 0 deletions

diff --git a/drivers/accessibility/speakup/varhandlers.c b/drivers/accessibility/speakup/varhandlers.c
new file mode 100644
index 000000000..e1c9f42e3
--- /dev/null
+++ b/drivers/accessibility/speakup/varhandlers.c
@@ -0,0 +1,344 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/ctype.h>
+#include "spk_types.h"
+#include "spk_priv.h"
+#include "speakup.h"
+
+static struct st_var_header var_headers[] = {
+	{ "version", VERSION, VAR_PROC, NULL, NULL },
+	{ "synth_name", SYNTH, VAR_PROC, NULL, NULL },
+	{ "keymap", KEYMAP, VAR_PROC, NULL, NULL },
+	{ "silent", SILENT, VAR_PROC, NULL, NULL },
+	{ "punc_some", PUNC_SOME, VAR_PROC, NULL, NULL },
+	{ "punc_most", PUNC_MOST, VAR_PROC, NULL, NULL },
+	{ "punc_all", PUNC_ALL, VAR_PROC, NULL, NULL },
+	{ "delimiters", DELIM, VAR_PROC, NULL, NULL },
+	{ "repeats", REPEATS, VAR_PROC, NULL, NULL },
+	{ "ex_num", EXNUMBER, VAR_PROC, NULL, NULL },
+	{ "characters", CHARS, VAR_PROC, NULL, NULL },
+	{ "synth_direct", SYNTH_DIRECT, VAR_PROC, NULL, NULL },
+	{ "caps_start", CAPS_START, VAR_STRING, spk_str_caps_start, NULL },
+	{ "caps_stop", CAPS_STOP, VAR_STRING, spk_str_caps_stop, NULL },
+	{ "delay_time", DELAY, VAR_TIME, NULL, NULL },
+	{ "trigger_time", TRIGGER, VAR_TIME, NULL, NULL },
+	{ "jiffy_delta", JIFFY, VAR_TIME, NULL, NULL },
+	{ "full_time", FULL, VAR_TIME, NULL, NULL },
+	{ "flush_time", FLUSH, VAR_TIME, NULL, NULL },
+	{ "spell_delay", SPELL_DELAY, VAR_NUM, &spk_spell_delay, NULL },
+	{ "bleeps", BLEEPS, VAR_NUM, &spk_bleeps, NULL },
+	{ "attrib_bleep", ATTRIB_BLEEP, VAR_NUM, &spk_attrib_bleep, NULL },
+	{ "bleep_time", BLEEP_TIME, VAR_TIME, &spk_bleep_time, NULL },
+	{ "cursor_time", CURSOR_TIME, VAR_TIME, NULL, NULL },
+	{ "punc_level", PUNC_LEVEL, VAR_NUM, &spk_punc_level, NULL },
+	{ "reading_punc", READING_PUNC, VAR_NUM, &spk_reading_punc, NULL },
+	{ "say_control", SAY_CONTROL, VAR_NUM, &spk_say_ctrl, NULL },
+	{ "say_word_ctl", SAY_WORD_CTL, VAR_NUM, &spk_say_word_ctl, NULL },
+	{ "no_interrupt", NO_INTERRUPT, VAR_NUM, &spk_no_intr, NULL },
+	{ "key_echo", KEY_ECHO, VAR_NUM, &spk_key_echo, NULL },
+	{ "bell_pos", BELL_POS, VAR_NUM, &spk_bell_pos, NULL },
+	{ "rate", RATE, VAR_NUM, NULL, NULL },
+	{ "pitch", PITCH, VAR_NUM, NULL, NULL },
+	{ "inflection", INFLECTION, VAR_NUM, NULL, NULL },
+	{ "vol", VOL, VAR_NUM, NULL, NULL },
+	{ "tone", TONE, VAR_NUM, NULL, NULL },
+	{ "punct", PUNCT, VAR_NUM, NULL, NULL   },
+	{ "voice", VOICE, VAR_NUM, NULL, NULL },
+	{ "freq", FREQUENCY, VAR_NUM, NULL, NULL },
+	{ "lang", LANG, VAR_NUM, NULL, NULL },
+	{ "chartab", CHARTAB, VAR_PROC, NULL, NULL },
+	{ "direct", DIRECT, VAR_NUM, NULL, NULL },
+	{ "pause", PAUSE, VAR_STRING, spk_str_pause, NULL },
+};
+
+static struct st_var_header *var_ptrs[MAXVARS] = { NULL, NULL, NULL };
+
+static struct punc_var_t punc_vars[] = {
+	{ PUNC_SOME, 1 },
+	{ PUNC_MOST, 2 },
+	{ PUNC_ALL, 3 },
+	{ DELIM, 4 },
+	{ REPEATS, 5 },
+	{ EXNUMBER, 6 },
+	{ -1, -1 },
+};
+
+int spk_chartab_get_value(char *keyword)
+{
+	int value = 0;
+
+	if (!strcmp(keyword, "ALPHA"))
+		value = ALPHA;
+	else if (!strcmp(keyword, "B_CTL"))
+		value = B_CTL;
+	else if (!strcmp(keyword, "WDLM"))
+		value = WDLM;
+	else if (!strcmp(keyword, "A_PUNC"))
+		value = A_PUNC;
+	else if (!strcmp(keyword, "PUNC"))
+		value = PUNC;
+	else if (!strcmp(keyword, "NUM"))
+		value = NUM;
+	else if (!strcmp(keyword, "A_CAP"))
+		value = A_CAP;
+	else if (!strcmp(keyword, "B_CAPSYM"))
+		value = B_CAPSYM;
+	else if (!strcmp(keyword, "B_SYM"))
+		value = B_SYM;
+	return value;
+}
+
+void speakup_register_var(struct var_t *var)
+{
+	static char nothing[2] = "\0";
+	int i;
+	struct st_var_header *p_header;
+
+	BUG_ON(!var || var->var_id < 0 || var->var_id >= MAXVARS);
+	if (!var_ptrs[0]) {
+		for (i = 0; i < MAXVARS; i++) {
+			p_header = &var_headers[i];
+			var_ptrs[p_header->var_id] = p_header;
+			p_header->data = NULL;
+		}
+	}
+	p_header = var_ptrs[var->var_id];
+	if (p_header->data)
+		return;
+	p_header->data = var;
+	switch (p_header->var_type) {
+	case VAR_STRING:
+		spk_set_string_var(nothing, p_header, 0);
+		break;
+	case VAR_NUM:
+	case VAR_TIME:
+		spk_set_num_var(0, p_header, E_DEFAULT);
+		break;
+	default:
+		break;
+	}
+}
+
+void speakup_unregister_var(enum var_id_t var_id)
+{
+	struct st_var_header *p_header;
+
+	BUG_ON(var_id < 0 || var_id >= MAXVARS);
+	p_header = var_ptrs[var_id];
+	p_header->data = NULL;
+}
+
+struct st_var_header *spk_get_var_header(enum var_id_t var_id)
+{
+	struct st_var_header *p_header;
+
+	if (var_id < 0 || var_id >= MAXVARS)
+		return NULL;
+	p_header = var_ptrs[var_id];
+	if (!p_header->data)
+		return NULL;
+	return p_header;
+}
+EXPORT_SYMBOL_GPL(spk_get_var_header);
+
+struct st_var_header *spk_var_header_by_name(const char *name)
+{
+	int i;
+
+	if (!name)
+		return NULL;
+
+	for (i = 0; i < MAXVARS; i++) {
+		if (strcmp(name, var_ptrs[i]->name) == 0)
+			return var_ptrs[i];
+	}
+	return NULL;
+}
+
+struct var_t *spk_get_var(enum var_id_t var_id)
+{
+	BUG_ON(var_id < 0 || var_id >= MAXVARS);
+	BUG_ON(!var_ptrs[var_id]);
+	return var_ptrs[var_id]->data;
+}
+EXPORT_SYMBOL_GPL(spk_get_var);
+
+struct punc_var_t *spk_get_punc_var(enum var_id_t var_id)
+{
+	struct punc_var_t *rv = NULL;
+	struct punc_var_t *where;
+
+	where = punc_vars;
+	while ((where->var_id != -1) && (!rv)) {
+		if (where->var_id == var_id)
+			rv = where;
+		else
+			where++;
+	}
+	return rv;
+}
+
+/* handlers for setting vars */
+int spk_set_num_var(int input, struct st_var_header *var, int how)
+{
+	int val;
+	int *p_val = var->p_val;
+	char buf[32];
+	char *cp;
+	struct var_t *var_data = var->data;
+
+	if (!var_data)
+		return -ENODATA;
+
+	val = var_data->u.n.value;
+	switch (how) {
+	case E_NEW_DEFAULT:
+		if (input < var_data->u.n.low || input > var_data->u.n.high)
+			return -ERANGE;
+		var_data->u.n.default_val = input;
+		return 0;
+	case E_DEFAULT:
+		val = var_data->u.n.default_val;
+		break;
+	case E_SET:
+		val = input;
+		break;
+	case E_INC:
+		val += input;
+		break;
+	case E_DEC:
+		val -= input;
+		break;
+	}
+
+	if (val < var_data->u.n.low || val > var_data->u.n.high)
+		return -ERANGE;
+
+	var_data->u.n.value = val;
+	if (var->var_type == VAR_TIME && p_val) {
+		*p_val = msecs_to_jiffies(val);
+		return 0;
+	}
+	if (p_val)
+		*p_val = val;
+	if (var->var_id == PUNC_LEVEL) {
+		spk_punc_mask = spk_punc_masks[val];
+	}
+	if (var_data->u.n.multiplier != 0)
+		val *= var_data->u.n.multiplier;
+	val += var_data->u.n.offset;
+
+	if (!synth)
+		return 0;
+	if (synth->synth_adjust && synth->synth_adjust(synth, var))
+		return 0;
+	if (var->var_id < FIRST_SYNTH_VAR)
+		return 0;
+
+	if (!var_data->u.n.synth_fmt)
+		return 0;
+	if (var->var_id == PITCH)
+		cp = spk_pitch_buff;
+	else
+		cp = buf;
+	if (!var_data->u.n.out_str)
+		sprintf(cp, var_data->u.n.synth_fmt, (int)val);
+	else
+		sprintf(cp, var_data->u.n.synth_fmt,
+			var_data->u.n.out_str[val]);
+	synth_printf("%s", cp);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(spk_set_num_var);
+
+int spk_set_string_var(const char *page, struct st_var_header *var, int len)
+{
+	struct var_t *var_data = var->data;
+
+	if (!var_data)
+		return -ENODATA;
+	if (len > MAXVARLEN)
+		return -E2BIG;
+	if (!len) {
+		if (!var_data->u.s.default_val)
+			return 0;
+		if (!var->p_val)
+			var->p_val = var_data->u.s.default_val;
+		if (var->p_val != var_data->u.s.default_val)
+			strcpy((char *)var->p_val, var_data->u.s.default_val);
+		return -ERESTART;
+	} else if (var->p_val) {
+		strcpy((char *)var->p_val, page);
+	} else {
+		return -E2BIG;
+	}
+	return 0;
+}
+
+/*
+ * spk_set_mask_bits sets or clears the punc/delim/repeat bits,
+ * if input is null uses the defaults.
+ * values for how: 0 clears bits of chars supplied,
+ * 1 clears allk, 2 sets bits for chars
+ */
+int spk_set_mask_bits(const char *input, const int which, const int how)
+{
+	u_char *cp;
+	short mask = spk_punc_info[which].mask;
+
+	if (how & 1) {
+		for (cp = (u_char *)spk_punc_info[3].value; *cp; cp++)
+			spk_chartab[*cp] &= ~mask;
+	}
+	cp = (u_char *)input;
+	if (!cp) {
+		cp = spk_punc_info[which].value;
+	} else {
+		for (; *cp; cp++) {
+			if (*cp < SPACE)
+				break;
+			if (mask < PUNC) {
+				if (!(spk_chartab[*cp] & PUNC))
+					break;
+			} else if (spk_chartab[*cp] & B_NUM) {
+				break;
+			}
+		}
+		if (*cp)
+			return -EINVAL;
+		cp = (u_char *)input;
+	}
+	if (how & 2) {
+		for (; *cp; cp++)
+			if (*cp > SPACE)
+				spk_chartab[*cp] |= mask;
+	} else {
+		for (; *cp; cp++)
+			if (*cp > SPACE)
+				spk_chartab[*cp] &= ~mask;
+	}
+	return 0;
+}
+
+char *spk_strlwr(char *s)
+{
+	char *p;
+
+	if (!s)
+		return NULL;
+
+	for (p = s; *p; p++)
+		*p = tolower(*p);
+	return s;
+}
+
+char *spk_s2uchar(char *start, char *dest)
+{
+	int val;
+
+	/* Do not replace with kstrtoul: here we need start to be updated */
+	val = simple_strtoul(skip_spaces(start), &start, 10);
+	if (*start == ',')
+		start++;
+	*dest = (u_char)val;
+	return start;
+}