LXR linux/drivers/staging/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        { VOL, .u.n = {"VOL %d\n", 8, 0, 16, 0, 0, NULL } },
  28        { TONE, .u.n = {"TONE %d\n", 8, 0, 16, 0, 0, NULL } },
  29        { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
  30        V_LAST_VAR
  31};
  32
  33/*
  34 * These attributes will appear in /sys/accessibility/speakup/dummy.
  35 */
  36static struct kobj_attribute caps_start_attribute =
  37        __ATTR(caps_start, 0644, spk_var_show, spk_var_store);
  38static struct kobj_attribute caps_stop_attribute =
  39        __ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
  40static struct kobj_attribute pitch_attribute =
  41        __ATTR(pitch, 0644, spk_var_show, spk_var_store);
  42static struct kobj_attribute rate_attribute =
  43        __ATTR(rate, 0644, spk_var_show, spk_var_store);
  44static struct kobj_attribute tone_attribute =
  45        __ATTR(tone, 0644, spk_var_show, spk_var_store);
  46static struct kobj_attribute vol_attribute =
  47        __ATTR(vol, 0644, spk_var_show, spk_var_store);
  48
  49static struct kobj_attribute delay_time_attribute =
  50        __ATTR(delay_time, 0644, spk_var_show, spk_var_store);
  51static struct kobj_attribute direct_attribute =
  52        __ATTR(direct, 0644, spk_var_show, spk_var_store);
  53static struct kobj_attribute full_time_attribute =
  54        __ATTR(full_time, 0644, spk_var_show, spk_var_store);
  55static struct kobj_attribute jiffy_delta_attribute =
  56        __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
  57static struct kobj_attribute trigger_time_attribute =
  58        __ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
  59
  60/*
  61 * Create a group of attributes so that we can create and destroy them all
  62 * at once.
  63 */
  64static struct attribute *synth_attrs[] = {
  65        &caps_start_attribute.attr,
  66        &caps_stop_attribute.attr,
  67        &pitch_attribute.attr,
  68        &rate_attribute.attr,
  69        &tone_attribute.attr,
  70        &vol_attribute.attr,
  71        &delay_time_attribute.attr,
  72        &direct_attribute.attr,
  73        &full_time_attribute.attr,
  74        &jiffy_delta_attribute.attr,
  75        &trigger_time_attribute.attr,
  76        NULL,   /* need to NULL terminate the list of attributes */
  77};
  78
  79static struct spk_synth synth_dummy = {
  80        .name = "dummy",
  81        .version = DRV_VERSION,
  82        .long_name = "Dummy",
  83        .init = "Speakup\n",
  84        .procspeech = PROCSPEECH,
  85        .clear = SYNTH_CLEAR,
  86        .delay = 500,
  87        .trigger = 50,
  88        .jiffies = 50,
  89        .full = 40000,
  90        .dev_name = SYNTH_DEFAULT_DEV,
  91        .startup = SYNTH_START,
  92        .checkval = SYNTH_CHECK,
  93        .vars = vars,
  94        .io_ops = &spk_ttyio_ops,
  95        .probe = spk_ttyio_synth_probe,
  96        .release = spk_ttyio_release,
  97        .synth_immediate = spk_ttyio_synth_immediate,
  98        .catch_up = spk_do_catch_up_unicode,
  99        .flush = spk_synth_flush,
 100        .is_alive = spk_synth_is_alive_restart,
 101        .synth_adjust = NULL,
 102        .read_buff_add = NULL,
 103        .get_index = NULL,
 104        .indexing = {
 105                .command = NULL,
 106                .lowindex = 0,
 107                .highindex = 0,
 108                .currindex = 0,
 109        },
 110        .attributes = {
 111                .attrs = synth_attrs,
 112                .name = "dummy",
 113        },
 114};
 115
 116module_param_named(ser, synth_dummy.ser, int, 0444);
 117module_param_named(dev, synth_dummy.dev_name, charp, 0444);
 118module_param_named(start, synth_dummy.startup, short, 0444);
 119
 120MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
 121MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
 122MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
 123
 124module_spk_synth(synth_dummy);
 125
 126MODULE_AUTHOR("Samuel Thibault <samuel.thibault@ens-lyon.org>");
 127MODULE_DESCRIPTION("Speakup support for text console");
 128MODULE_LICENSE("GPL");
 129MODULE_VERSION(DRV_VERSION);
 130
 131