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1// SPDX-License-Identifier: GPL-2.0+2/*3 * originally written by: Kirk Reiser <kirk@braille.uwo.ca>4 * this version considerably modified by David Borowski, david575@rogers.com5 *6 * Copyright (C) 1998-99 Kirk Reiser.7 * Copyright (C) 2003 David Borowski.8 *9 * specifically written as a driver for the speakup screenreview10 * s not a general device driver.11 */12#include "speakup.h"13#include "spk_priv.h"14#include "speakup_dtlk.h" /* local header file for LiteTalk values */15 16#define DRV_VERSION "2.11"17#define PROCSPEECH 0x0d18 19static int synth_probe(struct spk_synth *synth);20 21 22enum default_vars_id {23 CAPS_START_ID = 0, CAPS_STOP_ID,24 RATE_ID, PITCH_ID,25 VOL_ID, TONE_ID, PUNCT_ID,26 VOICE_ID, FREQUENCY_ID,27 DIRECT_ID, V_LAST_VAR_ID,28 NB_ID29};30 31 32static struct var_t vars[NB_ID] = {33 [CAPS_START_ID] = { CAPS_START, .u.s = {"\x01+35p" } },34 [CAPS_STOP_ID] = { CAPS_STOP, .u.s = {"\x01-35p" } },35 [RATE_ID] = { RATE, .u.n = {"\x01%ds", 8, 0, 9, 0, 0, NULL } },36 [PITCH_ID] = { PITCH, .u.n = {"\x01%dp", 50, 0, 99, 0, 0, NULL } },37 [VOL_ID] = { VOL, .u.n = {"\x01%dv", 5, 0, 9, 0, 0, NULL } },38 [TONE_ID] = { TONE, .u.n = {"\x01%dx", 1, 0, 2, 0, 0, NULL } },39 [PUNCT_ID] = { PUNCT, .u.n = {"\x01%db", 7, 0, 15, 0, 0, NULL } },40 [VOICE_ID] = { VOICE, .u.n = {"\x01%do", 0, 0, 7, 0, 0, NULL } },41 [FREQUENCY_ID] = { FREQUENCY, .u.n = {"\x01%df", 5, 0, 9, 0, 0, NULL } },42 [DIRECT_ID] = { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },43 V_LAST_VAR44};45 46/*47 * These attributes will appear in /sys/accessibility/speakup/ltlk.48 */49static struct kobj_attribute caps_start_attribute =50 __ATTR(caps_start, 0644, spk_var_show, spk_var_store);51static struct kobj_attribute caps_stop_attribute =52 __ATTR(caps_stop, 0644, spk_var_show, spk_var_store);53static struct kobj_attribute freq_attribute =54 __ATTR(freq, 0644, spk_var_show, spk_var_store);55static struct kobj_attribute pitch_attribute =56 __ATTR(pitch, 0644, spk_var_show, spk_var_store);57static struct kobj_attribute punct_attribute =58 __ATTR(punct, 0644, spk_var_show, spk_var_store);59static struct kobj_attribute rate_attribute =60 __ATTR(rate, 0644, spk_var_show, spk_var_store);61static struct kobj_attribute tone_attribute =62 __ATTR(tone, 0644, spk_var_show, spk_var_store);63static struct kobj_attribute voice_attribute =64 __ATTR(voice, 0644, spk_var_show, spk_var_store);65static struct kobj_attribute vol_attribute =66 __ATTR(vol, 0644, spk_var_show, spk_var_store);67 68static struct kobj_attribute delay_time_attribute =69 __ATTR(delay_time, 0644, spk_var_show, spk_var_store);70static struct kobj_attribute direct_attribute =71 __ATTR(direct, 0644, spk_var_show, spk_var_store);72static struct kobj_attribute full_time_attribute =73 __ATTR(full_time, 0644, spk_var_show, spk_var_store);74static struct kobj_attribute jiffy_delta_attribute =75 __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);76static struct kobj_attribute trigger_time_attribute =77 __ATTR(trigger_time, 0644, spk_var_show, spk_var_store);78 79/*80 * Create a group of attributes so that we can create and destroy them all81 * at once.82 */83static struct attribute *synth_attrs[] = {84 &caps_start_attribute.attr,85 &caps_stop_attribute.attr,86 &freq_attribute.attr,87 &pitch_attribute.attr,88 &punct_attribute.attr,89 &rate_attribute.attr,90 &tone_attribute.attr,91 &voice_attribute.attr,92 &vol_attribute.attr,93 &delay_time_attribute.attr,94 &direct_attribute.attr,95 &full_time_attribute.attr,96 &jiffy_delta_attribute.attr,97 &trigger_time_attribute.attr,98 NULL, /* need to NULL terminate the list of attributes */99};100 101static struct spk_synth synth_ltlk = {102 .name = "ltlk",103 .version = DRV_VERSION,104 .long_name = "LiteTalk",105 .init = "\01@\x01\x31y\n\0",106 .procspeech = PROCSPEECH,107 .clear = SYNTH_CLEAR,108 .delay = 500,109 .trigger = 50,110 .jiffies = 50,111 .full = 40000,112 .dev_name = SYNTH_DEFAULT_DEV,113 .startup = SYNTH_START,114 .checkval = SYNTH_CHECK,115 .vars = vars,116 .io_ops = &spk_ttyio_ops,117 .probe = synth_probe,118 .release = spk_ttyio_release,119 .synth_immediate = spk_ttyio_synth_immediate,120 .catch_up = spk_do_catch_up,121 .flush = spk_synth_flush,122 .is_alive = spk_synth_is_alive_restart,123 .synth_adjust = NULL,124 .read_buff_add = NULL,125 .get_index = spk_synth_get_index,126 .indexing = {127 .command = "\x01%di",128 .lowindex = 1,129 .highindex = 5,130 .currindex = 1,131 },132 .attributes = {133 .attrs = synth_attrs,134 .name = "ltlk",135 },136};137 138/* interrogate the LiteTalk and print its settings */139static void synth_interrogate(struct spk_synth *synth)140{141 unsigned char *t, i;142 unsigned char buf[50], rom_v[20];143 144 synth->synth_immediate(synth, "\x18\x01?");145 for (i = 0; i < 50; i++) {146 buf[i] = synth->io_ops->synth_in(synth);147 if (i > 2 && buf[i] == 0x7f)148 break;149 }150 t = buf + 2;151 for (i = 0; *t != '\r'; t++) {152 rom_v[i] = *t;153 if (++i >= 19)154 break;155 }156 rom_v[i] = 0;157 pr_info("%s: ROM version: %s\n", synth->long_name, rom_v);158}159 160static int synth_probe(struct spk_synth *synth)161{162 int failed = 0;163 164 failed = spk_ttyio_synth_probe(synth);165 if (failed == 0)166 synth_interrogate(synth);167 synth->alive = !failed;168 return failed;169}170 171module_param_named(ser, synth_ltlk.ser, int, 0444);172module_param_named(dev, synth_ltlk.dev_name, charp, 0444);173module_param_named(start, synth_ltlk.startup, short, 0444);174module_param_named(rate, vars[RATE_ID].u.n.default_val, int, 0444);175module_param_named(pitch, vars[PITCH_ID].u.n.default_val, int, 0444);176module_param_named(vol, vars[VOL_ID].u.n.default_val, int, 0444);177module_param_named(tone, vars[TONE_ID].u.n.default_val, int, 0444);178module_param_named(punct, vars[PUNCT_ID].u.n.default_val, int, 0444);179module_param_named(voice, vars[VOICE_ID].u.n.default_val, int, 0444);180module_param_named(frequency, vars[FREQUENCY_ID].u.n.default_val, int, 0444);181module_param_named(direct, vars[DIRECT_ID].u.n.default_val, int, 0444);182 183 184 185 186MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");187MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");188MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");189MODULE_PARM_DESC(rate, "Set the rate variable on load.");190MODULE_PARM_DESC(pitch, "Set the pitch variable on load.");191MODULE_PARM_DESC(vol, "Set the vol variable on load.");192MODULE_PARM_DESC(tone, "Set the tone variable on load.");193MODULE_PARM_DESC(punct, "Set the punct variable on load.");194MODULE_PARM_DESC(voice, "Set the voice variable on load.");195MODULE_PARM_DESC(frequency, "Set the frequency variable on load.");196MODULE_PARM_DESC(direct, "Set the direct variable on load.");197 198 199module_spk_synth(synth_ltlk);200 201MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");202MODULE_AUTHOR("David Borowski");203MODULE_DESCRIPTION("Speakup support for DoubleTalk LT/LiteTalk synthesizers");204MODULE_LICENSE("GPL");205MODULE_VERSION(DRV_VERSION);206 207