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For software speech syntheses to be able to manage concurrent audio card access, they need to know when speakup stops emitting text to be spoken because the console has switched to graphical mode. This introduces a PAUSE command to do so. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
130 lines
4 KiB
C
130 lines
4 KiB
C
// 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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* eventually modified by Samuel Thibault <samuel.thibault@ens-lyon.org>
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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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* Copyright (C) 2007 Samuel Thibault.
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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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#define PROCSPEECH '\n'
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#define DRV_VERSION "2.11"
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#define SYNTH_CLEAR '!'
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static struct var_t vars[] = {
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{ CAPS_START, .u.s = {"CAPS_START\n" } },
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{ CAPS_STOP, .u.s = {"CAPS_STOP\n" } },
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{ PAUSE, .u.s = {"PAUSE\n"} },
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{ RATE, .u.n = {"RATE %d\n", 8, 1, 16, 0, 0, NULL } },
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{ PITCH, .u.n = {"PITCH %d\n", 8, 0, 16, 0, 0, NULL } },
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{ VOL, .u.n = {"VOL %d\n", 8, 0, 16, 0, 0, NULL } },
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{ TONE, .u.n = {"TONE %d\n", 8, 0, 16, 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/dummy.
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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 pitch_attribute =
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__ATTR(pitch, 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 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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&pitch_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_dummy = {
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.name = "dummy",
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.version = DRV_VERSION,
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.long_name = "Dummy",
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.init = "Speakup\n",
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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 = spk_ttyio_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_unicode,
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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 = 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 = "dummy",
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},
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};
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module_param_named(ser, synth_dummy.ser, int, 0444);
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module_param_named(dev, synth_dummy.dev_name, charp, 0444);
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module_param_named(start, synth_dummy.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_dummy);
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MODULE_AUTHOR("Samuel Thibault <samuel.thibault@ens-lyon.org>");
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MODULE_DESCRIPTION("Speakup support for text console");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(DRV_VERSION);
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