| /* |
| * 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. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * specificly 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); |
| |
| static struct var_t vars[] = { |
| { CAPS_START, .u.s = {"\x01+35p" } }, |
| { CAPS_STOP, .u.s = {"\x01-35p" } }, |
| { RATE, .u.n = {"\x01%ds", 8, 0, 9, 0, 0, NULL } }, |
| { PITCH, .u.n = {"\x01%dp", 50, 0, 99, 0, 0, NULL } }, |
| { VOL, .u.n = {"\x01%dv", 5, 0, 9, 0, 0, NULL } }, |
| { TONE, .u.n = {"\x01%dx", 1, 0, 2, 0, 0, NULL } }, |
| { PUNCT, .u.n = {"\x01%db", 7, 0, 15, 0, 0, NULL } }, |
| { VOICE, .u.n = {"\x01%do", 0, 0, 7, 0, 0, NULL } }, |
| { FREQUENCY, .u.n = {"\x01%df", 5, 0, 9, 0, 0, NULL } }, |
| { 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(); |
| 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, S_IRUGO); |
| module_param_named(start, synth_ltlk.startup, short, 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_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); |
| |