kernel/drivers/accessibility/speakup/speakup_dummy.c
2024-07-22 17:22:30 +08:00

140 lines
4.3 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* originally written by: Kirk Reiser <kirk@braille.uwo.ca>
* this version considerably modified by David Borowski, david575@rogers.com
* eventually modified by Samuel Thibault <samuel.thibault@ens-lyon.org>
*
* Copyright (C) 1998-99 Kirk Reiser.
* Copyright (C) 2003 David Borowski.
* Copyright (C) 2007 Samuel Thibault.
*
* specificly written as a driver for the speakup screenreview
* s not a general device driver.
*/
#include "spk_priv.h"
#include "speakup.h"
#define PROCSPEECH '\n'
#define DRV_VERSION "2.11"
#define SYNTH_CLEAR '!'
static struct var_t vars[] = {
{ CAPS_START, .u.s = {"CAPS_START\n" } },
{ CAPS_STOP, .u.s = {"CAPS_STOP\n" } },
{ PAUSE, .u.s = {"PAUSE\n"} },
{ RATE, .u.n = {"RATE %d\n", 8, 1, 16, 0, 0, NULL } },
{ PITCH, .u.n = {"PITCH %d\n", 8, 0, 16, 0, 0, NULL } },
{ INFLECTION, .u.n = {"INFLECTION %d\n", 8, 0, 16, 0, 0, NULL } },
{ VOL, .u.n = {"VOL %d\n", 8, 0, 16, 0, 0, NULL } },
{ TONE, .u.n = {"TONE %d\n", 8, 0, 16, 0, 0, NULL } },
{ DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
V_LAST_VAR
};
/*
* These attributes will appear in /sys/accessibility/speakup/dummy.
*/
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 pitch_attribute =
__ATTR(pitch, 0644, spk_var_show, spk_var_store);
static struct kobj_attribute inflection_attribute =
__ATTR(inflection, 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 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,
&pitch_attribute.attr,
&inflection_attribute.attr,
&rate_attribute.attr,
&tone_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 void read_buff_add(u_char c)
{
pr_info("speakup_dummy: got character %02x\n", c);
}
static struct spk_synth synth_dummy = {
.name = "dummy",
.version = DRV_VERSION,
.long_name = "Dummy",
.init = "Speakup\n",
.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 = spk_ttyio_synth_probe,
.release = spk_ttyio_release,
.synth_immediate = spk_ttyio_synth_immediate,
.catch_up = spk_do_catch_up_unicode,
.flush = spk_synth_flush,
.is_alive = spk_synth_is_alive_restart,
.synth_adjust = NULL,
.read_buff_add = read_buff_add,
.get_index = NULL,
.indexing = {
.command = NULL,
.lowindex = 0,
.highindex = 0,
.currindex = 0,
},
.attributes = {
.attrs = synth_attrs,
.name = "dummy",
},
};
module_param_named(ser, synth_dummy.ser, int, 0444);
module_param_named(dev, synth_dummy.dev_name, charp, 0444);
module_param_named(start, synth_dummy.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_dummy);
MODULE_AUTHOR("Samuel Thibault <samuel.thibault@ens-lyon.org>");
MODULE_DESCRIPTION("Speakup support for text console");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);