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175 lines
5.2 KiB
175 lines
5.2 KiB
// SPDX-License-Identifier: GPL-2.0+ |
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/* |
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* originally written by: Kirk Reiser <[email protected]> |
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* this version considerably modified by David Borowski, [email protected] |
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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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* specificly 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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static struct var_t vars[] = { |
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{ CAPS_START, .u.s = {"\x01+35p" } }, |
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{ CAPS_STOP, .u.s = {"\x01-35p" } }, |
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{ RATE, .u.n = {"\x01%ds", 8, 0, 9, 0, 0, NULL } }, |
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{ PITCH, .u.n = {"\x01%dp", 50, 0, 99, 0, 0, NULL } }, |
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{ VOL, .u.n = {"\x01%dv", 5, 0, 9, 0, 0, NULL } }, |
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{ TONE, .u.n = {"\x01%dx", 1, 0, 2, 0, 0, NULL } }, |
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{ PUNCT, .u.n = {"\x01%db", 7, 0, 15, 0, 0, NULL } }, |
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{ VOICE, .u.n = {"\x01%do", 0, 0, 7, 0, 0, NULL } }, |
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{ FREQUENCY, .u.n = {"\x01%df", 5, 0, 9, 0, 0, NULL } }, |
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{ 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_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_spk_synth(synth_ltlk); |
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MODULE_AUTHOR("Kirk Reiser <[email protected]>"); |
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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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