207 lines
6.6 KiB
C
207 lines
6.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* originally written by: Kirk Reiser <kirk@braille.uwo.ca>
|
|
* this version considerably modified by David Borowski, david575@rogers.com
|
|
*
|
|
* Copyright (C) 1998-99 Kirk Reiser.
|
|
* Copyright (C) 2003 David Borowski.
|
|
*
|
|
* specifically written as a driver for the speakup screenreview
|
|
* s not a general device driver.
|
|
*/
|
|
#include "speakup.h"
|
|
#include "spk_priv.h"
|
|
#include "speakup_dtlk.h" /* local header file for LiteTalk values */
|
|
|
|
#define DRV_VERSION "2.11"
|
|
#define PROCSPEECH 0x0d
|
|
|
|
static int synth_probe(struct spk_synth *synth);
|
|
|
|
|
|
enum default_vars_id {
|
|
CAPS_START_ID = 0, CAPS_STOP_ID,
|
|
RATE_ID, PITCH_ID,
|
|
VOL_ID, TONE_ID, PUNCT_ID,
|
|
VOICE_ID, FREQUENCY_ID,
|
|
DIRECT_ID, V_LAST_VAR_ID,
|
|
NB_ID
|
|
};
|
|
|
|
|
|
static struct var_t vars[NB_ID] = {
|
|
[CAPS_START_ID] = { CAPS_START, .u.s = {"\x01+35p" } },
|
|
[CAPS_STOP_ID] = { CAPS_STOP, .u.s = {"\x01-35p" } },
|
|
[RATE_ID] = { RATE, .u.n = {"\x01%ds", 8, 0, 9, 0, 0, NULL } },
|
|
[PITCH_ID] = { PITCH, .u.n = {"\x01%dp", 50, 0, 99, 0, 0, NULL } },
|
|
[VOL_ID] = { VOL, .u.n = {"\x01%dv", 5, 0, 9, 0, 0, NULL } },
|
|
[TONE_ID] = { TONE, .u.n = {"\x01%dx", 1, 0, 2, 0, 0, NULL } },
|
|
[PUNCT_ID] = { PUNCT, .u.n = {"\x01%db", 7, 0, 15, 0, 0, NULL } },
|
|
[VOICE_ID] = { VOICE, .u.n = {"\x01%do", 0, 0, 7, 0, 0, NULL } },
|
|
[FREQUENCY_ID] = { FREQUENCY, .u.n = {"\x01%df", 5, 0, 9, 0, 0, NULL } },
|
|
[DIRECT_ID] = { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
|
|
V_LAST_VAR
|
|
};
|
|
|
|
/*
|
|
* These attributes will appear in /sys/accessibility/speakup/ltlk.
|
|
*/
|
|
static struct kobj_attribute caps_start_attribute =
|
|
__ATTR(caps_start, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute caps_stop_attribute =
|
|
__ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute freq_attribute =
|
|
__ATTR(freq, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute pitch_attribute =
|
|
__ATTR(pitch, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute punct_attribute =
|
|
__ATTR(punct, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute rate_attribute =
|
|
__ATTR(rate, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute tone_attribute =
|
|
__ATTR(tone, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute voice_attribute =
|
|
__ATTR(voice, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute vol_attribute =
|
|
__ATTR(vol, 0644, spk_var_show, spk_var_store);
|
|
|
|
static struct kobj_attribute delay_time_attribute =
|
|
__ATTR(delay_time, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute direct_attribute =
|
|
__ATTR(direct, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute full_time_attribute =
|
|
__ATTR(full_time, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute jiffy_delta_attribute =
|
|
__ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute trigger_time_attribute =
|
|
__ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
|
|
|
|
/*
|
|
* Create a group of attributes so that we can create and destroy them all
|
|
* at once.
|
|
*/
|
|
static struct attribute *synth_attrs[] = {
|
|
&caps_start_attribute.attr,
|
|
&caps_stop_attribute.attr,
|
|
&freq_attribute.attr,
|
|
&pitch_attribute.attr,
|
|
&punct_attribute.attr,
|
|
&rate_attribute.attr,
|
|
&tone_attribute.attr,
|
|
&voice_attribute.attr,
|
|
&vol_attribute.attr,
|
|
&delay_time_attribute.attr,
|
|
&direct_attribute.attr,
|
|
&full_time_attribute.attr,
|
|
&jiffy_delta_attribute.attr,
|
|
&trigger_time_attribute.attr,
|
|
NULL, /* need to NULL terminate the list of attributes */
|
|
};
|
|
|
|
static struct spk_synth synth_ltlk = {
|
|
.name = "ltlk",
|
|
.version = DRV_VERSION,
|
|
.long_name = "LiteTalk",
|
|
.init = "\01@\x01\x31y\n\0",
|
|
.procspeech = PROCSPEECH,
|
|
.clear = SYNTH_CLEAR,
|
|
.delay = 500,
|
|
.trigger = 50,
|
|
.jiffies = 50,
|
|
.full = 40000,
|
|
.dev_name = SYNTH_DEFAULT_DEV,
|
|
.startup = SYNTH_START,
|
|
.checkval = SYNTH_CHECK,
|
|
.vars = vars,
|
|
.io_ops = &spk_ttyio_ops,
|
|
.probe = synth_probe,
|
|
.release = spk_ttyio_release,
|
|
.synth_immediate = spk_ttyio_synth_immediate,
|
|
.catch_up = spk_do_catch_up,
|
|
.flush = spk_synth_flush,
|
|
.is_alive = spk_synth_is_alive_restart,
|
|
.synth_adjust = NULL,
|
|
.read_buff_add = NULL,
|
|
.get_index = spk_synth_get_index,
|
|
.indexing = {
|
|
.command = "\x01%di",
|
|
.lowindex = 1,
|
|
.highindex = 5,
|
|
.currindex = 1,
|
|
},
|
|
.attributes = {
|
|
.attrs = synth_attrs,
|
|
.name = "ltlk",
|
|
},
|
|
};
|
|
|
|
/* interrogate the LiteTalk and print its settings */
|
|
static void synth_interrogate(struct spk_synth *synth)
|
|
{
|
|
unsigned char *t, i;
|
|
unsigned char buf[50], rom_v[20];
|
|
|
|
synth->synth_immediate(synth, "\x18\x01?");
|
|
for (i = 0; i < 50; i++) {
|
|
buf[i] = synth->io_ops->synth_in(synth);
|
|
if (i > 2 && buf[i] == 0x7f)
|
|
break;
|
|
}
|
|
t = buf + 2;
|
|
for (i = 0; *t != '\r'; t++) {
|
|
rom_v[i] = *t;
|
|
if (++i >= 19)
|
|
break;
|
|
}
|
|
rom_v[i] = 0;
|
|
pr_info("%s: ROM version: %s\n", synth->long_name, rom_v);
|
|
}
|
|
|
|
static int synth_probe(struct spk_synth *synth)
|
|
{
|
|
int failed = 0;
|
|
|
|
failed = spk_ttyio_synth_probe(synth);
|
|
if (failed == 0)
|
|
synth_interrogate(synth);
|
|
synth->alive = !failed;
|
|
return failed;
|
|
}
|
|
|
|
module_param_named(ser, synth_ltlk.ser, int, 0444);
|
|
module_param_named(dev, synth_ltlk.dev_name, charp, 0444);
|
|
module_param_named(start, synth_ltlk.startup, short, 0444);
|
|
module_param_named(rate, vars[RATE_ID].u.n.default_val, int, 0444);
|
|
module_param_named(pitch, vars[PITCH_ID].u.n.default_val, int, 0444);
|
|
module_param_named(vol, vars[VOL_ID].u.n.default_val, int, 0444);
|
|
module_param_named(tone, vars[TONE_ID].u.n.default_val, int, 0444);
|
|
module_param_named(punct, vars[PUNCT_ID].u.n.default_val, int, 0444);
|
|
module_param_named(voice, vars[VOICE_ID].u.n.default_val, int, 0444);
|
|
module_param_named(frequency, vars[FREQUENCY_ID].u.n.default_val, int, 0444);
|
|
module_param_named(direct, vars[DIRECT_ID].u.n.default_val, int, 0444);
|
|
|
|
|
|
|
|
|
|
MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
|
|
MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
|
|
MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
|
|
MODULE_PARM_DESC(rate, "Set the rate variable on load.");
|
|
MODULE_PARM_DESC(pitch, "Set the pitch variable on load.");
|
|
MODULE_PARM_DESC(vol, "Set the vol variable on load.");
|
|
MODULE_PARM_DESC(tone, "Set the tone variable on load.");
|
|
MODULE_PARM_DESC(punct, "Set the punct variable on load.");
|
|
MODULE_PARM_DESC(voice, "Set the voice variable on load.");
|
|
MODULE_PARM_DESC(frequency, "Set the frequency variable on load.");
|
|
MODULE_PARM_DESC(direct, "Set the direct variable on load.");
|
|
|
|
|
|
module_spk_synth(synth_ltlk);
|
|
|
|
MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
|
|
MODULE_AUTHOR("David Borowski");
|
|
MODULE_DESCRIPTION("Speakup support for DoubleTalk LT/LiteTalk synthesizers");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_VERSION(DRV_VERSION);
|
|
|