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