static void say_key(int key)
{
int i, state = key >> 8;
key &= 0xff;
for (i = 0; i < 6; i++) {
if (state & masks[i])
synth_printf(" %s", spk_msg_get(MSG_STATES_START + i));
}
if ((key > 0) && (key <= num_key_names))
synth_printf(" %s\n",
spk_msg_get(MSG_KEYNAMES_START + (key - 1)));
}
/*
* This is called when text is sent to the synth via the synth_direct file.
*/
static ssize_t synth_direct_store(struct kobject *kobj,
struct kobj_attribute *attr,
const char *buf, size_t count)
{
u_char tmp[256];
int len;
int bytes;
const char *ptr = buf;
unsigned long flags;
if (!synth)
return -EPERM;
len = strlen(buf);
spin_lock_irqsave(&speakup_info.spinlock, flags);
while (len > 0) {
bytes = min_t(size_t, len, 250);
strncpy(tmp, ptr, bytes);
tmp[bytes] = '\0';
string_unescape_any_inplace(tmp);
synth_printf("%s", tmp);
ptr += bytes;
len -= bytes;
}
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
return count;
}
void do_flush(void)
{
speakup_info.flushing = 1;
synth_buffer_clear();
if (synth->alive) {
if (pitch_shift) {
synth_printf("%s", pitch_buff);
pitch_shift = 0;
}
}
wake_up_interruptible_all(&speakup_event);
wake_up_process(speakup_task);
}
int spk_synth_is_alive_restart(struct spk_synth *synth)
{
if (synth->alive)
return 1;
if (!synth->alive && wait_for_xmitr() > 0) {
/* restart */
synth->alive = 1;
synth_printf("%s", synth->init);
return 2; /* reenabled */
}
pr_warn("%s: can't restart synth\n", synth->long_name);
return 0;
}
/* called by: synth_add() */
static int do_synth_init(struct spk_synth *in_synth)
{
struct var_t *var;
synth_release();
if (in_synth->checkval != SYNTH_CHECK)
return -EINVAL;
synth = in_synth;
synth->alive = 0;
pr_warn("synth probe\n");
if (synth->probe(synth) < 0) {
pr_warn("%s: device probe failed\n", in_synth->name);
synth = NULL;
return -ENODEV;
}
synth_time_vars[0].u.n.value =
synth_time_vars[0].u.n.default_val = synth->delay;
synth_time_vars[1].u.n.value =
synth_time_vars[1].u.n.default_val = synth->trigger;
synth_time_vars[2].u.n.value =
synth_time_vars[2].u.n.default_val = synth->jiffies;
synth_time_vars[3].u.n.value =
synth_time_vars[3].u.n.default_val = synth->full;
synth_printf("%s", synth->init);
for (var = synth->vars;
(var->var_id >= 0) && (var->var_id < MAXVARS); var++)
speakup_register_var(var);
if (!quiet_boot)
synth_printf("%s found\n", synth->long_name);
if (synth->attributes.name
&& sysfs_create_group(speakup_kobj, &(synth->attributes)) < 0)
return -ENOMEM;
synth_flags = synth->flags;
wake_up_interruptible_all(&speakup_event);
if (speakup_task)
wake_up_process(speakup_task);
return 0;
}
void synth_insert_next_index(int sent_num)
{
int out;
if (synth->alive) {
if (sent_num == 0) {
synth->indexing.currindex++;
index_count++;
if (synth->indexing.currindex >
synth->indexing.highindex)
synth->indexing.currindex =
synth->indexing.lowindex;
}
out = synth->indexing.currindex * 10 + sent_num;
synth_printf(synth->indexing.command, out, out);
}
}
/*
* This is called when text is sent to the synth via the synth_direct file.
*/
static ssize_t synth_direct_store(struct kobject *kobj,
struct kobj_attribute *attr, const char *buf, size_t count)
{
u_char tmp[256];
int len;
int bytes;
const char *ptr = buf;
if (!synth)
return -EPERM;
len = strlen(buf);
while (len > 0) {
bytes = min_t(size_t, len, 250);
strncpy(tmp, ptr, bytes);
tmp[bytes] = '\0';
xlate(tmp);
synth_printf("%s", tmp);
ptr += bytes;
len -= bytes;
}
return count;
}
int spk_handle_help(struct vc_data *vc, u_char type, u_char ch, u_short key)
{
int i, n;
char *name;
u_char func, *kp;
u_short *p_keys, val;
if (letter_offsets[0] == -1)
help_init();
if (type == KT_LATIN) {
if (ch == SPACE) {
spk_special_handler = NULL;
synth_printf("%s\n", spk_msg_get(MSG_LEAVING_HELP));
return 1;
}
ch |= 32; /* lower case */
if (ch < 'a' || ch > 'z')
return -1;
if (letter_offsets[ch - 'a'] == -1) {
synth_printf(spk_msg_get(MSG_NO_COMMAND), ch);
synth_printf("\n");
return 1;
}
cur_item = letter_offsets[ch - 'a'];
} else if (type == KT_CUR) {
if (ch == 0 &&
(MSG_FUNCNAMES_START + cur_item + 1) <= MSG_FUNCNAMES_END)
cur_item++;
else if (ch == 3 && cur_item > 0)
cur_item--;
else
return -1;
} else if (type == KT_SPKUP && ch == SPEAKUP_HELP &&
!spk_special_handler) {
spk_special_handler = spk_handle_help;
synth_printf("%s\n", spk_msg_get(MSG_HELP_INFO));
build_key_data(); /* rebuild each time in case new mapping */
return 1;
} else {
name = NULL;
if ((type != KT_SPKUP) && (key > 0) && (key <= num_key_names)) {
synth_printf("%s\n",
spk_msg_get(MSG_KEYNAMES_START + key - 1));
return 1;
}
for (i = 0; funcvals[i] != 0 && !name; i++) {
if (ch == funcvals[i])
name = spk_msg_get(MSG_FUNCNAMES_START + i);
}
if (!name)
return -1;
kp = spk_our_keys[key] + 1;
for (i = 0; i < nstates; i++) {
if (ch == kp[i])
break;
}
key += (state_tbl[i] << 8);
say_key(key);
synth_printf(spk_msg_get(MSG_KEYDESC), name);
synth_printf("\n");
return 1;
}
name = spk_msg_get(MSG_FUNCNAMES_START + cur_item);
func = funcvals[cur_item];
synth_printf("%s", name);
if (key_offsets[func] == 0) {
synth_printf(" %s\n", spk_msg_get(MSG_IS_UNASSIGNED));
return 1;
}
p_keys = key_data + key_offsets[func];
for (n = 0; p_keys[n]; n++) {
val = p_keys[n];
if (n > 0)
synth_printf("%s ", spk_msg_get(MSG_DISJUNCTION));
say_key(val);
}
return 1;
}
/* handlers for setting vars */
int spk_set_num_var(int input, struct st_var_header *var, int how)
{
int val;
short ret = 0;
int *p_val = var->p_val;
int l;
char buf[32];
char *cp;
struct var_t *var_data = var->data;
if (var_data == NULL)
return -ENODATA;
if (how == 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;
}
if (how == E_DEFAULT) {
val = var_data->u.n.default_val;
ret = -ERESTART;
} else {
if (how == E_SET)
val = input;
else
val = var_data->u.n.value;
if (how == E_INC)
val += input;
else if (how == E_DEC)
val -= input;
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 != NULL) {
*p_val = msecs_to_jiffies(val);
return ret;
}
if (p_val != NULL)
*p_val = val;
if (var->var_id == PUNC_LEVEL) {
spk_punc_mask = spk_punc_masks[val];
return ret;
}
if (var_data->u.n.multiplier != 0)
val *= var_data->u.n.multiplier;
val += var_data->u.n.offset;
if (var->var_id < FIRST_SYNTH_VAR || synth == NULL)
return ret;
if (synth->synth_adjust != NULL) {
int status = synth->synth_adjust(var);
return (status != 0) ? status : ret;
}
if (!var_data->u.n.synth_fmt)
return ret;
if (var->var_id == PITCH)
cp = spk_pitch_buff;
else
cp = buf;
if (!var_data->u.n.out_str)
l = sprintf(cp, var_data->u.n.synth_fmt, (int)val);
else
l = sprintf(cp,
var_data->u.n.synth_fmt, var_data->u.n.out_str[val]);
synth_printf("%s", cp);
return ret;
}
/* 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];
return 0;
}
if (var_data->u.n.multiplier != 0)
val *= var_data->u.n.multiplier;
val += var_data->u.n.offset;
if (var->var_id < FIRST_SYNTH_VAR || !synth)
return 0;
if (synth->synth_adjust)
return synth->synth_adjust(var);
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;
}