198 lines
5.9 KiB
C
198 lines
5.9 KiB
C
/*
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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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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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 "spk_priv.h"
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#include "speakup.h"
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#include "serialio.h"
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#define DRV_VERSION "2.11"
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#define SYNTH_CLEAR 0x18 /* flush synth buffer */
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#define PROCSPEECH '\r' /* start synth processing speech char */
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static int synth_probe(struct spk_synth *synth);
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static void synth_flush(struct spk_synth *synth);
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static struct var_t vars[] = {
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{ CAPS_START, .u.s = {"\x05[f99]" } },
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{ CAPS_STOP, .u.s = {"\x05[f80]" } },
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{ RATE, .u.n = {"\x05[r%d]", 10, 0, 20, 100, -10, NULL } },
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{ PITCH, .u.n = {"\x05[f%d]", 80, 39, 4500, 0, 0, NULL } },
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{ VOL, .u.n = {"\x05[g%d]", 21, 0, 40, 0, 0, NULL } },
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{ TONE, .u.n = {"\x05[s%d]", 9, 0, 63, 0, 0, NULL } },
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{ PUNCT, .u.n = {"\x05[A%c]", 0, 0, 3, 0, 0, "nmsa" } },
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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/audptr.
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*/
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static struct kobj_attribute caps_start_attribute =
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__ATTR(caps_start, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
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static struct kobj_attribute caps_stop_attribute =
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__ATTR(caps_stop, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
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static struct kobj_attribute pitch_attribute =
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__ATTR(pitch, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
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static struct kobj_attribute punct_attribute =
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__ATTR(punct, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
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static struct kobj_attribute rate_attribute =
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__ATTR(rate, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
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static struct kobj_attribute tone_attribute =
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__ATTR(tone, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
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static struct kobj_attribute vol_attribute =
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__ATTR(vol, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
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static struct kobj_attribute delay_time_attribute =
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__ATTR(delay_time, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
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static struct kobj_attribute direct_attribute =
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__ATTR(direct, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
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static struct kobj_attribute full_time_attribute =
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__ATTR(full_time, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
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static struct kobj_attribute jiffy_delta_attribute =
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__ATTR(jiffy_delta, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
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static struct kobj_attribute trigger_time_attribute =
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__ATTR(trigger_time, S_IWUSR|S_IRUGO, 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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&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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&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_audptr = {
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.name = "audptr",
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.version = DRV_VERSION,
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.long_name = "Audapter",
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.init = "\x05[D1]\x05[Ol]",
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.procspeech = PROCSPEECH,
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.clear = SYNTH_CLEAR,
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.delay = 400,
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.trigger = 50,
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.jiffies = 30,
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.full = 18000,
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.startup = SYNTH_START,
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.checkval = SYNTH_CHECK,
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.vars = vars,
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.probe = synth_probe,
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.release = spk_serial_release,
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.synth_immediate = spk_synth_immediate,
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.catch_up = spk_do_catch_up,
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.flush = 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 = NULL,
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.indexing = {
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.command = NULL,
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.lowindex = 0,
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.highindex = 0,
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.currindex = 0,
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},
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.attributes = {
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.attrs = synth_attrs,
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.name = "audptr",
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},
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};
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static void synth_flush(struct spk_synth *synth)
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{
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int timeout = SPK_XMITR_TIMEOUT;
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while (spk_serial_tx_busy()) {
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if (!--timeout)
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break;
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udelay(1);
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}
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outb(SYNTH_CLEAR, speakup_info.port_tts);
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spk_serial_out(PROCSPEECH);
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}
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static void synth_version(struct spk_synth *synth)
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{
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unsigned char test = 0;
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char synth_id[40] = "";
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spk_synth_immediate(synth, "\x05[Q]");
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synth_id[test] = spk_serial_in();
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if (synth_id[test] == 'A') {
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do {
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/* read version string from synth */
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synth_id[++test] = spk_serial_in();
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} while (synth_id[test] != '\n' && test < 32);
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synth_id[++test] = 0x00;
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}
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if (synth_id[0] == 'A')
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pr_info("%s version: %s", synth->long_name, synth_id);
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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_serial_synth_probe(synth);
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if (failed == 0)
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synth_version(synth);
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synth->alive = !failed;
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return 0;
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}
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module_param_named(ser, synth_audptr.ser, int, S_IRUGO);
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module_param_named(start, synth_audptr.startup, short, S_IRUGO);
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MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
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MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
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static int __init audptr_init(void)
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{
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return synth_add(&synth_audptr);
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}
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static void __exit audptr_exit(void)
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{
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synth_remove(&synth_audptr);
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}
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module_init(audptr_init);
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module_exit(audptr_exit);
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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 Audapter synthesizer");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(DRV_VERSION);
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