1e560261b7
fix issues reported by checkpatch.pl Signed-off-by: William Hubbs <w.d.hubbs@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
464 lines
10 KiB
C
464 lines
10 KiB
C
#include <linux/types.h>
|
|
#include <linux/ctype.h> /* for isdigit() and friends */
|
|
#include <linux/fs.h>
|
|
#include <linux/mm.h> /* for verify_area */
|
|
#include <linux/errno.h> /* for -EBUSY */
|
|
#include <linux/ioport.h> /* for check_region, request_region */
|
|
#include <linux/interrupt.h>
|
|
#include <linux/delay.h> /* for loops_per_sec */
|
|
#include <linux/kmod.h>
|
|
#include <linux/jiffies.h>
|
|
#include <linux/uaccess.h> /* for copy_from_user */
|
|
#include <linux/sched.h>
|
|
#include <linux/timer.h>
|
|
#include <linux/kthread.h>
|
|
|
|
#include "spk_priv.h"
|
|
#include "speakup.h"
|
|
#include "serialio.h"
|
|
|
|
#define MAXSYNTHS 16 /* Max number of synths in array. */
|
|
static struct spk_synth *synths[MAXSYNTHS];
|
|
struct spk_synth *synth;
|
|
char pitch_buff[32] = "";
|
|
static int module_status;
|
|
int quiet_boot;
|
|
|
|
struct speakup_info_t speakup_info = {
|
|
.spinlock = __SPIN_LOCK_UNLOCKED(speakup_info.spinlock),
|
|
.flushing = 0,
|
|
};
|
|
EXPORT_SYMBOL_GPL(speakup_info);
|
|
|
|
static int do_synth_init(struct spk_synth *in_synth);
|
|
|
|
int serial_synth_probe(struct spk_synth *synth)
|
|
{
|
|
struct serial_state *ser;
|
|
int failed = 0;
|
|
|
|
if ((synth->ser >= SPK_LO_TTY) && (synth->ser <= SPK_HI_TTY)) {
|
|
ser = spk_serial_init(synth->ser);
|
|
if (ser == NULL) {
|
|
failed = -1;
|
|
} else {
|
|
outb_p(0, ser->port);
|
|
mdelay(1);
|
|
outb_p('\r', ser->port);
|
|
}
|
|
} else {
|
|
failed = -1;
|
|
pr_warn("ttyS%i is an invalid port\n", synth->ser);
|
|
}
|
|
if (failed) {
|
|
pr_info("%s: not found\n", synth->long_name);
|
|
return -ENODEV;
|
|
}
|
|
pr_info("%s: ttyS%i, Driver Version %s\n",
|
|
synth->long_name, synth->ser, synth->version);
|
|
synth->alive = 1;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(serial_synth_probe);
|
|
|
|
/* Main loop of the progression thread: keep eating from the buffer
|
|
* and push to the serial port, waiting as needed
|
|
*
|
|
* For devices that have a "full" notification mecanism, the driver can
|
|
* adapt the loop the way they prefer.
|
|
*/
|
|
void spk_do_catch_up(struct spk_synth *synth)
|
|
{
|
|
u_char ch;
|
|
unsigned long flags;
|
|
unsigned long jiff_max;
|
|
struct var_t *delay_time;
|
|
struct var_t *full_time;
|
|
struct var_t *jiffy_delta;
|
|
int jiffy_delta_val;
|
|
int delay_time_val;
|
|
int full_time_val;
|
|
|
|
jiffy_delta = get_var(JIFFY);
|
|
full_time = get_var(FULL);
|
|
delay_time = get_var(DELAY);
|
|
|
|
spk_lock(flags);
|
|
jiffy_delta_val = jiffy_delta->u.n.value;
|
|
spk_unlock(flags);
|
|
|
|
jiff_max = jiffies + jiffy_delta_val;
|
|
while (!kthread_should_stop()) {
|
|
spk_lock(flags);
|
|
if (speakup_info.flushing) {
|
|
speakup_info.flushing = 0;
|
|
spk_unlock(flags);
|
|
synth->flush(synth);
|
|
continue;
|
|
}
|
|
if (synth_buffer_empty()) {
|
|
spk_unlock(flags);
|
|
break;
|
|
}
|
|
ch = synth_buffer_peek();
|
|
set_current_state(TASK_INTERRUPTIBLE);
|
|
full_time_val = full_time->u.n.value;
|
|
spk_unlock(flags);
|
|
if (ch == '\n')
|
|
ch = synth->procspeech;
|
|
if (!spk_serial_out(ch)) {
|
|
schedule_timeout(msecs_to_jiffies(full_time_val));
|
|
continue;
|
|
}
|
|
if ((jiffies >= jiff_max) && (ch == SPACE)) {
|
|
spk_lock(flags);
|
|
jiffy_delta_val = jiffy_delta->u.n.value;
|
|
delay_time_val = delay_time->u.n.value;
|
|
full_time_val = full_time->u.n.value;
|
|
spk_unlock(flags);
|
|
if (spk_serial_out(synth->procspeech))
|
|
schedule_timeout(
|
|
msecs_to_jiffies(delay_time_val));
|
|
else
|
|
schedule_timeout(
|
|
msecs_to_jiffies(full_time_val));
|
|
jiff_max = jiffies + jiffy_delta_val;
|
|
}
|
|
set_current_state(TASK_RUNNING);
|
|
spk_lock(flags);
|
|
synth_buffer_getc();
|
|
spk_unlock(flags);
|
|
}
|
|
spk_serial_out(synth->procspeech);
|
|
}
|
|
EXPORT_SYMBOL_GPL(spk_do_catch_up);
|
|
|
|
const char *spk_synth_immediate(struct spk_synth *synth, const char *buff)
|
|
{
|
|
u_char ch;
|
|
while ((ch = *buff)) {
|
|
if (ch == '\n')
|
|
ch = synth->procspeech;
|
|
if (wait_for_xmitr())
|
|
outb(ch, speakup_info.port_tts);
|
|
else
|
|
return buff;
|
|
buff++;
|
|
}
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(spk_synth_immediate);
|
|
|
|
void spk_synth_flush(struct spk_synth *synth)
|
|
{
|
|
spk_serial_out(synth->clear);
|
|
}
|
|
EXPORT_SYMBOL_GPL(spk_synth_flush);
|
|
|
|
int spk_synth_is_alive_nop(struct spk_synth *synth)
|
|
{
|
|
synth->alive = 1;
|
|
return 1;
|
|
}
|
|
EXPORT_SYMBOL_GPL(spk_synth_is_alive_nop);
|
|
|
|
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;
|
|
}
|
|
EXPORT_SYMBOL_GPL(spk_synth_is_alive_restart);
|
|
|
|
static void thread_wake_up(u_long data)
|
|
{
|
|
wake_up_interruptible_all(&speakup_event);
|
|
}
|
|
|
|
static DEFINE_TIMER(thread_timer, thread_wake_up, 0, 0);
|
|
|
|
void synth_start(void)
|
|
{
|
|
struct var_t *trigger_time;
|
|
|
|
if (!synth->alive) {
|
|
synth_buffer_clear();
|
|
return;
|
|
}
|
|
trigger_time = get_var(TRIGGER);
|
|
if (!timer_pending(&thread_timer))
|
|
mod_timer(&thread_timer, jiffies +
|
|
msecs_to_jiffies(trigger_time->u.n.value));
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
void synth_write(const char *buf, size_t count)
|
|
{
|
|
while (count--)
|
|
synth_buffer_add(*buf++);
|
|
synth_start();
|
|
}
|
|
|
|
void synth_printf(const char *fmt, ...)
|
|
{
|
|
va_list args;
|
|
unsigned char buf[160], *p;
|
|
int r;
|
|
|
|
va_start(args, fmt);
|
|
r = vsnprintf(buf, sizeof(buf), fmt, args);
|
|
va_end(args);
|
|
if (r > sizeof(buf) - 1)
|
|
r = sizeof(buf) - 1;
|
|
|
|
p = buf;
|
|
while (r--)
|
|
synth_buffer_add(*p++);
|
|
synth_start();
|
|
}
|
|
EXPORT_SYMBOL_GPL(synth_printf);
|
|
|
|
static int index_count;
|
|
static int sentence_count;
|
|
|
|
void reset_index_count(int sc)
|
|
{
|
|
static int first = 1;
|
|
if (first)
|
|
first = 0;
|
|
else
|
|
synth->get_index();
|
|
index_count = 0;
|
|
sentence_count = sc;
|
|
}
|
|
|
|
int synth_supports_indexing(void)
|
|
{
|
|
if (synth->get_index != NULL)
|
|
return 1;
|
|
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);
|
|
}
|
|
}
|
|
|
|
void get_index_count(int *linecount, int *sentcount)
|
|
{
|
|
int ind = synth->get_index();
|
|
if (ind) {
|
|
sentence_count = ind % 10;
|
|
|
|
if ((ind / 10) <= synth->indexing.currindex)
|
|
index_count = synth->indexing.currindex-(ind/10);
|
|
else
|
|
index_count = synth->indexing.currindex
|
|
-synth->indexing.lowindex
|
|
+ synth->indexing.highindex-(ind/10)+1;
|
|
|
|
}
|
|
*sentcount = sentence_count;
|
|
*linecount = index_count;
|
|
}
|
|
|
|
static struct resource synth_res;
|
|
|
|
int synth_request_region(unsigned long start, unsigned long n)
|
|
{
|
|
struct resource *parent = &ioport_resource;
|
|
memset(&synth_res, 0, sizeof(synth_res));
|
|
synth_res.name = synth->name;
|
|
synth_res.start = start;
|
|
synth_res.end = start + n - 1;
|
|
synth_res.flags = IORESOURCE_BUSY;
|
|
return request_resource(parent, &synth_res);
|
|
}
|
|
EXPORT_SYMBOL_GPL(synth_request_region);
|
|
|
|
int synth_release_region(unsigned long start, unsigned long n)
|
|
{
|
|
return release_resource(&synth_res);
|
|
}
|
|
EXPORT_SYMBOL_GPL(synth_release_region);
|
|
|
|
struct var_t synth_time_vars[] = {
|
|
{ DELAY, .u.n = {NULL, 100, 100, 2000, 0, 0, NULL } },
|
|
{ TRIGGER, .u.n = {NULL, 20, 10, 2000, 0, 0, NULL } },
|
|
{ JIFFY, .u.n = {NULL, 50, 20, 200, 0, 0, NULL } },
|
|
{ FULL, .u.n = {NULL, 400, 200, 60000, 0, 0, NULL } },
|
|
V_LAST_VAR
|
|
};
|
|
|
|
/* called by: speakup_init() */
|
|
int synth_init(char *synth_name)
|
|
{
|
|
int i;
|
|
int ret = 0;
|
|
struct spk_synth *synth = NULL;
|
|
|
|
if (synth_name == NULL)
|
|
return 0;
|
|
|
|
if (strcmp(synth_name, "none") == 0) {
|
|
mutex_lock(&spk_mutex);
|
|
synth_release();
|
|
mutex_unlock(&spk_mutex);
|
|
return 0;
|
|
}
|
|
|
|
mutex_lock(&spk_mutex);
|
|
/* First, check if we already have it loaded. */
|
|
for (i = 0; synths[i] != NULL && i < MAXSYNTHS; i++)
|
|
if (strcmp(synths[i]->name, synth_name) == 0)
|
|
synth = synths[i];
|
|
|
|
/* If we got one, initialize it now. */
|
|
if (synth)
|
|
ret = do_synth_init(synth);
|
|
else
|
|
ret = -ENODEV;
|
|
mutex_unlock(&spk_mutex);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* 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_release(void)
|
|
{
|
|
struct var_t *var;
|
|
unsigned long flags;
|
|
|
|
if (synth == NULL)
|
|
return;
|
|
spk_lock(flags);
|
|
pr_info("releasing synth %s\n", synth->name);
|
|
synth->alive = 0;
|
|
del_timer(&thread_timer);
|
|
spk_unlock(flags);
|
|
if (synth->attributes.name)
|
|
sysfs_remove_group(speakup_kobj, &(synth->attributes));
|
|
for (var = synth->vars; var->var_id != MAXVARS; var++)
|
|
speakup_unregister_var(var->var_id);
|
|
stop_serial_interrupt();
|
|
synth->release();
|
|
synth = NULL;
|
|
}
|
|
|
|
/* called by: all_driver_init() */
|
|
int synth_add(struct spk_synth *in_synth)
|
|
{
|
|
int i;
|
|
int status = 0;
|
|
mutex_lock(&spk_mutex);
|
|
for (i = 0; synths[i] != NULL && i < MAXSYNTHS; i++)
|
|
/* synth_remove() is responsible for rotating the array down */
|
|
if (in_synth == synths[i]) {
|
|
mutex_unlock(&spk_mutex);
|
|
return 0;
|
|
}
|
|
if (i == MAXSYNTHS) {
|
|
pr_warn("Error: attempting to add a synth past end of array\n");
|
|
mutex_unlock(&spk_mutex);
|
|
return -1;
|
|
}
|
|
synths[i++] = in_synth;
|
|
synths[i] = NULL;
|
|
if (in_synth->startup)
|
|
status = do_synth_init(in_synth);
|
|
mutex_unlock(&spk_mutex);
|
|
return status;
|
|
}
|
|
EXPORT_SYMBOL_GPL(synth_add);
|
|
|
|
void synth_remove(struct spk_synth *in_synth)
|
|
{
|
|
int i;
|
|
mutex_lock(&spk_mutex);
|
|
if (synth == in_synth)
|
|
synth_release();
|
|
for (i = 0; synths[i] != NULL; i++) {
|
|
if (in_synth == synths[i])
|
|
break;
|
|
}
|
|
for ( ; synths[i] != NULL; i++) /* compress table */
|
|
synths[i] = synths[i+1];
|
|
module_status = 0;
|
|
mutex_unlock(&spk_mutex);
|
|
}
|
|
EXPORT_SYMBOL_GPL(synth_remove);
|
|
|
|
short punc_masks[] = { 0, SOME, MOST, PUNC, PUNC|B_SYM };
|