1 files changed, 0 insertions, 490 deletions
diff --git a/drivers/staging/speakup/synth.c b/drivers/staging/speakup/synth.c
deleted file mode 100644
index 3568bfb89912..000000000000
--- a/drivers/staging/speakup/synth.c
+++ /dev/null
@@ -1,490 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#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"
-
-static LIST_HEAD(synths);
-struct spk_synth *synth;
-char spk_pitch_buff[32] = "";
-static int module_status;
-bool spk_quiet_boot;
-
-struct speakup_info_t speakup_info = {
-	/*
-	 * This spinlock is used to protect the entire speakup machinery, and
-	 * must be taken at each kernel->speakup transition and released at
-	 * each corresponding speakup->kernel transition.
-	 *
-	 * The progression thread only interferes with the speakup machinery
-	 * through the synth buffer, so only needs to take the lock
-	 * while tinkering with the buffer.
-	 *
-	 * We use spin_lock/trylock_irqsave and spin_unlock_irqrestore with this
-	 * spinlock because speakup needs to disable the keyboard IRQ.
-	 */
-	.spinlock = __SPIN_LOCK_UNLOCKED(speakup_info.spinlock),
-	.flushing = 0,
-};
-EXPORT_SYMBOL_GPL(speakup_info);
-
-static int do_synth_init(struct spk_synth *in_synth);
-
-/*
- * 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 mechanism, the driver can
- * adapt the loop the way they prefer.
- */
-static void _spk_do_catch_up(struct spk_synth *synth, int unicode)
-{
-	u16 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;
-	int ret;
-
-	jiffy_delta = spk_get_var(JIFFY);
-	full_time = spk_get_var(FULL);
-	delay_time = spk_get_var(DELAY);
-
-	spin_lock_irqsave(&speakup_info.spinlock, flags);
-	jiffy_delta_val = jiffy_delta->u.n.value;
-	spin_unlock_irqrestore(&speakup_info.spinlock, flags);
-
-	jiff_max = jiffies + jiffy_delta_val;
-	while (!kthread_should_stop()) {
-		spin_lock_irqsave(&speakup_info.spinlock, flags);
-		if (speakup_info.flushing) {
-			speakup_info.flushing = 0;
-			spin_unlock_irqrestore(&speakup_info.spinlock, flags);
-			synth->flush(synth);
-			continue;
-		}
-		if (!unicode)
-			synth_buffer_skip_nonlatin1();
-		if (synth_buffer_empty()) {
-			spin_unlock_irqrestore(&speakup_info.spinlock, flags);
-			break;
-		}
-		ch = synth_buffer_peek();
-		set_current_state(TASK_INTERRUPTIBLE);
-		full_time_val = full_time->u.n.value;
-		spin_unlock_irqrestore(&speakup_info.spinlock, flags);
-		if (ch == '\n')
-			ch = synth->procspeech;
-		if (unicode)
-			ret = synth->io_ops->synth_out_unicode(synth, ch);
-		else
-			ret = synth->io_ops->synth_out(synth, ch);
-		if (!ret) {
-			schedule_timeout(msecs_to_jiffies(full_time_val));
-			continue;
-		}
-		if (time_after_eq(jiffies, jiff_max) && (ch == SPACE)) {
-			spin_lock_irqsave(&speakup_info.spinlock, 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;
-			spin_unlock_irqrestore(&speakup_info.spinlock, flags);
-			if (synth->io_ops->synth_out(synth, 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);
-		spin_lock_irqsave(&speakup_info.spinlock, flags);
-		synth_buffer_getc();
-		spin_unlock_irqrestore(&speakup_info.spinlock, flags);
-	}
-	synth->io_ops->synth_out(synth, synth->procspeech);
-}
-
-void spk_do_catch_up(struct spk_synth *synth)
-{
-	_spk_do_catch_up(synth, 0);
-}
-EXPORT_SYMBOL_GPL(spk_do_catch_up);
-
-void spk_do_catch_up_unicode(struct spk_synth *synth)
-{
-	_spk_do_catch_up(synth, 1);
-}
-EXPORT_SYMBOL_GPL(spk_do_catch_up_unicode);
-
-void spk_synth_flush(struct spk_synth *synth)
-{
-	synth->io_ops->flush_buffer();
-	synth->io_ops->synth_out(synth, synth->clear);
-}
-EXPORT_SYMBOL_GPL(spk_synth_flush);
-
-unsigned char spk_synth_get_index(struct spk_synth *synth)
-{
-	return synth->io_ops->synth_in_nowait();
-}
-EXPORT_SYMBOL_GPL(spk_synth_get_index);
-
-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 (spk_wait_for_xmitr(synth) > 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(struct timer_list *unused)
-{
-	wake_up_interruptible_all(&speakup_event);
-}
-
-static DEFINE_TIMER(thread_timer, thread_wake_up);
-
-void synth_start(void)
-{
-	struct var_t *trigger_time;
-
-	if (!synth->alive) {
-		synth_buffer_clear();
-		return;
-	}
-	trigger_time = spk_get_var(TRIGGER);
-	if (!timer_pending(&thread_timer))
-		mod_timer(&thread_timer, jiffies +
-			msecs_to_jiffies(trigger_time->u.n.value));
-}
-
-void spk_do_flush(void)
-{
-	if (!synth)
-		return;
-
-	speakup_info.flushing = 1;
-	synth_buffer_clear();
-	if (synth->alive) {
-		if (spk_pitch_shift) {
-			synth_printf("%s", spk_pitch_buff);
-			spk_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);
-
-void synth_putwc(u16 wc)
-{
-	synth_buffer_add(wc);
-}
-EXPORT_SYMBOL_GPL(synth_putwc);
-
-void synth_putwc_s(u16 wc)
-{
-	synth_buffer_add(wc);
-	synth_start();
-}
-EXPORT_SYMBOL_GPL(synth_putwc_s);
-
-void synth_putws(const u16 *buf)
-{
-	const u16 *p;
-
-	for (p = buf; *p; p++)
-		synth_buffer_add(*p);
-}
-EXPORT_SYMBOL_GPL(synth_putws);
-
-void synth_putws_s(const u16 *buf)
-{
-	synth_putws(buf);
-	synth_start();
-}
-EXPORT_SYMBOL_GPL(synth_putws_s);
-
-static int index_count;
-static int sentence_count;
-
-void spk_reset_index_count(int sc)
-{
-	static int first = 1;
-
-	if (first)
-		first = 0;
-	else
-		synth->get_index(synth);
-	index_count = 0;
-	sentence_count = sc;
-}
-
-int synth_supports_indexing(void)
-{
-	if (synth->get_index)
-		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 spk_get_index_count(int *linecount, int *sentcount)
-{
-	int ind = synth->get_index(synth);
-
-	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 ret = 0;
-	struct spk_synth *tmp, *synth = NULL;
-
-	if (!synth_name)
-		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. */
-	list_for_each_entry(tmp, &synths, node) {
-		if (strcmp(tmp->name, synth_name) == 0)
-			synth = tmp;
-	}
-
-	/* 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 (!spk_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)
-		return;
-	spin_lock_irqsave(&speakup_info.spinlock, flags);
-	pr_info("releasing synth %s\n", synth->name);
-	synth->alive = 0;
-	del_timer(&thread_timer);
-	spin_unlock_irqrestore(&speakup_info.spinlock, 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);
-	synth->release();
-	synth = NULL;
-}
-
-/* called by: all_driver_init() */
-int synth_add(struct spk_synth *in_synth)
-{
-	int status = 0;
-	struct spk_synth *tmp;
-
-	mutex_lock(&spk_mutex);
-
-	list_for_each_entry(tmp, &synths, node) {
-		if (tmp == in_synth) {
-			mutex_unlock(&spk_mutex);
-			return 0;
-		}
-	}
-
-	if (in_synth->startup)
-		status = do_synth_init(in_synth);
-
-	if (!status)
-		list_add_tail(&in_synth->node, &synths);
-
-	mutex_unlock(&spk_mutex);
-	return status;
-}
-EXPORT_SYMBOL_GPL(synth_add);
-
-void synth_remove(struct spk_synth *in_synth)
-{
-	mutex_lock(&spk_mutex);
-	if (synth == in_synth)
-		synth_release();
-	list_del(&in_synth->node);
-	module_status = 0;
-	mutex_unlock(&spk_mutex);
-}
-EXPORT_SYMBOL_GPL(synth_remove);
-
-struct spk_synth *synth_current(void)
-{
-	return synth;
-}
-EXPORT_SYMBOL_GPL(synth_current);
-
-short spk_punc_masks[] = { 0, SOME, MOST, PUNC, PUNC | B_SYM };