// SPDX-License-Identifier: GPL-2.0+
/*
* originally written by: Kirk Reiser <[email protected]>
* this version considerably modified by David Borowski, [email protected]
*
* 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 <[email protected]>");
MODULE_AUTHOR("David Borowski");
MODULE_DESCRIPTION("Speakup support for DoubleTalk LT/LiteTalk synthesizers");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
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