LXR linux/drivers/accessibility/speakup/speakup

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * originally written by: Kirk Reiser <kirk@braille.uwo.ca>
   4 * this version considerably modified by David Borowski, david575@rogers.com
   5 * eventually modified by Samuel Thibault <samuel.thibault@ens-lyon.org>
   6 *
   7 * Copyright (C) 1998-99  Kirk Reiser.
   8 * Copyright (C) 2003 David Borowski.
   9 * Copyright (C) 2007 Samuel Thibault.
  10 *
  11 * specificly written as a driver for the speakup screenreview
  12 * s not a general device driver.
  13 */
  14#include "spk_priv.h"
  15#include "speakup.h"
  16
  17#define PROCSPEECH '\n'
  18#define DRV_VERSION "2.11"
  19#define SYNTH_CLEAR '!'
  20
  21static struct var_t vars[] = {
  22        { CAPS_START, .u.s = {"CAPS_START\n" } },
  23        { CAPS_STOP, .u.s = {"CAPS_STOP\n" } },
  24        { PAUSE, .u.s = {"PAUSE\n"} },
  25        { RATE, .u.n = {"RATE %d\n", 8, 1, 16, 0, 0, NULL } },
  26        { PITCH, .u.n = {"PITCH %d\n", 8, 0, 16, 0, 0, NULL } },
  27        { INFLECTION, .u.n = {"INFLECTION %d\n", 8, 0, 16, 0, 0, NULL } },
  28        { VOL, .u.n = {"VOL %d\n", 8, 0, 16, 0, 0, NULL } },
  29        { TONE, .u.n = {"TONE %d\n", 8, 0, 16, 0, 0, NULL } },
  30        { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
  31        V_LAST_VAR
  32};
  33
  34/*
  35 * These attributes will appear in /sys/accessibility/speakup/dummy.
  36 */
  37static struct kobj_attribute caps_start_attribute =
  38        __ATTR(caps_start, 0644, spk_var_show, spk_var_store);
  39static struct kobj_attribute caps_stop_attribute =
  40        __ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
  41static struct kobj_attribute pitch_attribute =
  42        __ATTR(pitch, 0644, spk_var_show, spk_var_store);
  43static struct kobj_attribute inflection_attribute =
  44        __ATTR(inflection, 0644, spk_var_show, spk_var_store);
  45static struct kobj_attribute rate_attribute =
  46        __ATTR(rate, 0644, spk_var_show, spk_var_store);
  47static struct kobj_attribute tone_attribute =
  48        __ATTR(tone, 0644, spk_var_show, spk_var_store);
  49static struct kobj_attribute vol_attribute =
  50        __ATTR(vol, 0644, spk_var_show, spk_var_store);
  51
  52static struct kobj_attribute delay_time_attribute =
  53        __ATTR(delay_time, 0644, spk_var_show, spk_var_store);
  54static struct kobj_attribute direct_attribute =
  55        __ATTR(direct, 0644, spk_var_show, spk_var_store);
  56static struct kobj_attribute full_time_attribute =
  57        __ATTR(full_time, 0644, spk_var_show, spk_var_store);
  58static struct kobj_attribute jiffy_delta_attribute =
  59        __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
  60static struct kobj_attribute trigger_time_attribute =
  61        __ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
  62
  63/*
  64 * Create a group of attributes so that we can create and destroy them all
  65 * at once.
  66 */
  67static struct attribute *synth_attrs[] = {
  68        &caps_start_attribute.attr,
  69        &caps_stop_attribute.attr,
  70        &pitch_attribute.attr,
  71        &inflection_attribute.attr,
  72        &rate_attribute.attr,
  73        &tone_attribute.attr,
  74        &vol_attribute.attr,
  75        &delay_time_attribute.attr,
  76        &direct_attribute.attr,
  77        &full_time_attribute.attr,
  78        &jiffy_delta_attribute.attr,
  79        &trigger_time_attribute.attr,
  80        NULL,   /* need to NULL terminate the list of attributes */
  81};
  82
  83static struct spk_synth synth_dummy = {
  84        .name = "dummy",
  85        .version = DRV_VERSION,
  86        .long_name = "Dummy",
  87        .init = "Speakup\n",
  88        .procspeech = PROCSPEECH,
  89        .clear = SYNTH_CLEAR,
  90        .delay = 500,
  91        .trigger = 50,
  92        .jiffies = 50,
  93        .full = 40000,
  94        .dev_name = SYNTH_DEFAULT_DEV,
  95        .startup = SYNTH_START,
  96        .checkval = SYNTH_CHECK,
  97        .vars = vars,
  98        .io_ops = &spk_ttyio_ops,
  99        .probe = spk_ttyio_synth_probe,
 100        .release = spk_ttyio_release,
 101        .synth_immediate = spk_ttyio_synth_immediate,
 102        .catch_up = spk_do_catch_up_unicode,
 103        .flush = spk_synth_flush,
 104        .is_alive = spk_synth_is_alive_restart,
 105        .synth_adjust = NULL,
 106        .read_buff_add = NULL,
 107        .get_index = NULL,
 108        .indexing = {
 109                .command = NULL,
 110                .lowindex = 0,
 111                .highindex = 0,
 112                .currindex = 0,
 113        },
 114        .attributes = {
 115                .attrs = synth_attrs,
 116                .name = "dummy",
 117        },
 118};
 119
 120module_param_named(ser, synth_dummy.ser, int, 0444);
 121module_param_named(dev, synth_dummy.dev_name, charp, 0444);
 122module_param_named(start, synth_dummy.startup, short, 0444);
 123
 124MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
 125MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
 126MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
 127
 128module_spk_synth(synth_dummy);
 129
 130MODULE_AUTHOR("Samuel Thibault <samuel.thibault@ens-lyon.org>");
 131MODULE_DESCRIPTION("Speakup support for text console");
 132MODULE_LICENSE("GPL");
 133MODULE_VERSION(DRV_VERSION);
 134
 135