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The dummy speakup driver is used to check that speakup is working properly, without the need for actually owning the hardware. Some drivers require receiving characters, so we need a way to check that this is working properly. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Link: https://lore.kernel.org/r/20201101183913.yg35cbqpn2ba6cew@function Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
140 lines
4.3 KiB
C
140 lines
4.3 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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{ INFLECTION, .u.n = {"INFLECTION %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 inflection_attribute =
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__ATTR(inflection, 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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&inflection_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 void read_buff_add(u_char c)
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{
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pr_info("speakup_dummy: got character %02x\n", c);
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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 = read_buff_add,
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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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