LXR linux/drivers/staging/speakup/speakup

   1/*
   2 * originally written by: Kirk Reiser <kirk@braille.uwo.ca>
   3 * this version considerably modified by David Borowski, david575@rogers.com
   4 * eventually modified by Samuel Thibault <samuel.thibault@ens-lyon.org>
   5 *
   6 * Copyright (C) 1998-99  Kirk Reiser.
   7 * Copyright (C) 2003 David Borowski.
   8 * Copyright (C) 2007 Samuel Thibault.
   9 *
  10 * This program is free software; you can redistribute it and/or modify
  11 * it under the terms of the GNU General Public License as published by
  12 * the Free Software Foundation; either version 2 of the License, or
  13 * (at your option) any later version.
  14 *
  15 * This program is distributed in the hope that it will be useful,
  16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 * GNU General Public License for more details.
  19 *
  20 * specificly written as a driver for the speakup screenreview
  21 * s not a general device driver.
  22 */
  23#include "spk_priv.h"
  24#include "speakup.h"
  25
  26#define PROCSPEECH '\n'
  27#define DRV_VERSION "2.11"
  28#define SYNTH_CLEAR '!'
  29
  30static struct var_t vars[] = {
  31        { CAPS_START, .u.s = {"CAPS_START\n" } },
  32        { CAPS_STOP, .u.s = {"CAPS_STOP\n" } },
  33        { RATE, .u.n = {"RATE %d\n", 8, 1, 16, 0, 0, NULL } },
  34        { PITCH, .u.n = {"PITCH %d\n", 8, 0, 16, 0, 0, NULL } },
  35        { VOL, .u.n = {"VOL %d\n", 8, 0, 16, 0, 0, NULL } },
  36        { TONE, .u.n = {"TONE %d\n", 8, 0, 16, 0, 0, NULL } },
  37        { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
  38        V_LAST_VAR
  39};
  40
  41/*
  42 * These attributes will appear in /sys/accessibility/speakup/dummy.
  43 */
  44static struct kobj_attribute caps_start_attribute =
  45        __ATTR(caps_start, 0644, spk_var_show, spk_var_store);
  46static struct kobj_attribute caps_stop_attribute =
  47        __ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
  48static struct kobj_attribute pitch_attribute =
  49        __ATTR(pitch, 0644, spk_var_show, spk_var_store);
  50static struct kobj_attribute rate_attribute =
  51        __ATTR(rate, 0644, spk_var_show, spk_var_store);
  52static struct kobj_attribute tone_attribute =
  53        __ATTR(tone, 0644, spk_var_show, spk_var_store);
  54static struct kobj_attribute vol_attribute =
  55        __ATTR(vol, 0644, spk_var_show, spk_var_store);
  56
  57static struct kobj_attribute delay_time_attribute =
  58        __ATTR(delay_time, 0644, spk_var_show, spk_var_store);
  59static struct kobj_attribute direct_attribute =
  60        __ATTR(direct, 0644, spk_var_show, spk_var_store);
  61static struct kobj_attribute full_time_attribute =
  62        __ATTR(full_time, 0644, spk_var_show, spk_var_store);
  63static struct kobj_attribute jiffy_delta_attribute =
  64        __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
  65static struct kobj_attribute trigger_time_attribute =
  66        __ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
  67
  68/*
  69 * Create a group of attributes so that we can create and destroy them all
  70 * at once.
  71 */
  72static struct attribute *synth_attrs[] = {
  73        &caps_start_attribute.attr,
  74        &caps_stop_attribute.attr,
  75        &pitch_attribute.attr,
  76        &rate_attribute.attr,
  77        &tone_attribute.attr,
  78        &vol_attribute.attr,
  79        &delay_time_attribute.attr,
  80        &direct_attribute.attr,
  81        &full_time_attribute.attr,
  82        &jiffy_delta_attribute.attr,
  83        &trigger_time_attribute.attr,
  84        NULL,   /* need to NULL terminate the list of attributes */
  85};
  86
  87static struct spk_synth synth_dummy = {
  88        .name = "dummy",
  89        .version = DRV_VERSION,
  90        .long_name = "Dummy",
  91        .init = "Speakup\n",
  92        .procspeech = PROCSPEECH,
  93        .clear = SYNTH_CLEAR,
  94        .delay = 500,
  95        .trigger = 50,
  96        .jiffies = 50,
  97        .full = 40000,
  98        .dev_name = SYNTH_DEFAULT_DEV,
  99        .startup = SYNTH_START,
 100        .checkval = SYNTH_CHECK,
 101        .vars = vars,
 102        .io_ops = &spk_ttyio_ops,
 103        .probe = spk_ttyio_synth_probe,
 104        .release = spk_ttyio_release,
 105        .synth_immediate = spk_ttyio_synth_immediate,
 106        .catch_up = spk_do_catch_up,
 107        .flush = spk_synth_flush,
 108        .is_alive = spk_synth_is_alive_restart,
 109        .synth_adjust = NULL,
 110        .read_buff_add = NULL,
 111        .get_index = NULL,
 112        .indexing = {
 113                .command = NULL,
 114                .lowindex = 0,
 115                .highindex = 0,
 116                .currindex = 0,
 117        },
 118        .attributes = {
 119                .attrs = synth_attrs,
 120                .name = "dummy",
 121        },
 122};
 123
 124module_param_named(ser, synth_dummy.ser, int, 0444);
 125module_param_named(dev, synth_dummy.dev_name, charp, S_IRUGO);
 126module_param_named(start, synth_dummy.startup, short, 0444);
 127
 128MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
 129MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
 130MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
 131
 132module_spk_synth(synth_dummy);
 133
 134MODULE_AUTHOR("Samuel Thibault <samuel.thibault@ens-lyon.org>");
 135MODULE_DESCRIPTION("Speakup support for text console");
 136MODULE_LICENSE("GPL");
 137MODULE_VERSION(DRV_VERSION);
 138
 139