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 * You should have received a copy of the GNU General Public License
  21 * along with this program; if not, write to the Free Software
  22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23 *
  24 * specificly written as a driver for the speakup screenreview
  25 * s not a general device driver.
  26 */
  27#include "spk_priv.h"
  28#include "speakup.h"
  29
  30#define PROCSPEECH '\n'
  31#define DRV_VERSION "2.11"
  32#define SYNTH_CLEAR '!'
  33
  34static struct var_t vars[] = {
  35        { CAPS_START, .u.s = {"CAPS_START\n" } },
  36        { CAPS_STOP, .u.s = {"CAPS_STOP\n" } },
  37        { RATE, .u.n = {"RATE %d\n", 8, 1, 16, 0, 0, NULL } },
  38        { PITCH, .u.n = {"PITCH %d\n", 8, 0, 16, 0, 0, NULL } },
  39        { VOL, .u.n = {"VOL %d\n", 8, 0, 16, 0, 0, NULL } },
  40        { TONE, .u.n = {"TONE %d\n", 8, 0, 16, 0, 0, NULL } },
  41        { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
  42        V_LAST_VAR
  43};
  44
  45/*
  46 * These attributes will appear in /sys/accessibility/speakup/dummy.
  47 */
  48static struct kobj_attribute caps_start_attribute =
  49        __ATTR(caps_start, USER_RW, spk_var_show, spk_var_store);
  50static struct kobj_attribute caps_stop_attribute =
  51        __ATTR(caps_stop, USER_RW, spk_var_show, spk_var_store);
  52static struct kobj_attribute pitch_attribute =
  53        __ATTR(pitch, USER_RW, spk_var_show, spk_var_store);
  54static struct kobj_attribute rate_attribute =
  55        __ATTR(rate, USER_RW, spk_var_show, spk_var_store);
  56static struct kobj_attribute tone_attribute =
  57        __ATTR(tone, USER_RW, spk_var_show, spk_var_store);
  58static struct kobj_attribute vol_attribute =
  59        __ATTR(vol, USER_RW, spk_var_show, spk_var_store);
  60
  61static struct kobj_attribute delay_time_attribute =
  62        __ATTR(delay_time, ROOT_W, spk_var_show, spk_var_store);
  63static struct kobj_attribute direct_attribute =
  64        __ATTR(direct, USER_RW, spk_var_show, spk_var_store);
  65static struct kobj_attribute full_time_attribute =
  66        __ATTR(full_time, ROOT_W, spk_var_show, spk_var_store);
  67static struct kobj_attribute jiffy_delta_attribute =
  68        __ATTR(jiffy_delta, ROOT_W, spk_var_show, spk_var_store);
  69static struct kobj_attribute trigger_time_attribute =
  70        __ATTR(trigger_time, ROOT_W, spk_var_show, spk_var_store);
  71
  72/*
  73 * Create a group of attributes so that we can create and destroy them all
  74 * at once.
  75 */
  76static struct attribute *synth_attrs[] = {
  77        &caps_start_attribute.attr,
  78        &caps_stop_attribute.attr,
  79        &pitch_attribute.attr,
  80        &rate_attribute.attr,
  81        &tone_attribute.attr,
  82        &vol_attribute.attr,
  83        &delay_time_attribute.attr,
  84        &direct_attribute.attr,
  85        &full_time_attribute.attr,
  86        &jiffy_delta_attribute.attr,
  87        &trigger_time_attribute.attr,
  88        NULL,   /* need to NULL terminate the list of attributes */
  89};
  90
  91static struct spk_synth synth_dummy = {
  92        .name = "dummy",
  93        .version = DRV_VERSION,
  94        .long_name = "Dummy",
  95        .init = "Speakup\n",
  96        .procspeech = PROCSPEECH,
  97        .clear = SYNTH_CLEAR,
  98        .delay = 500,
  99        .trigger = 50,
 100        .jiffies = 50,
 101        .full = 40000,
 102        .startup = SYNTH_START,
 103        .checkval = SYNTH_CHECK,
 104        .vars = vars,
 105        .probe = serial_synth_probe,
 106        .release = spk_serial_release,
 107        .synth_immediate = spk_synth_immediate,
 108        .catch_up = spk_do_catch_up,
 109        .flush = spk_synth_flush,
 110        .is_alive = spk_synth_is_alive_restart,
 111        .synth_adjust = NULL,
 112        .read_buff_add = NULL,
 113        .get_index = NULL,
 114        .indexing = {
 115                .command = NULL,
 116                .lowindex = 0,
 117                .highindex = 0,
 118                .currindex = 0,
 119        },
 120        .attributes = {
 121                .attrs = synth_attrs,
 122                .name = "dummy",
 123        },
 124};
 125
 126module_param_named(ser, synth_dummy.ser, int, S_IRUGO);
 127module_param_named(start, synth_dummy.startup, short, S_IRUGO);
 128
 129MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
 130MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
 131
 132static int __init dummy_init(void)
 133{
 134        return synth_add(&synth_dummy);
 135}
 136
 137static void __exit dummy_exit(void)
 138{
 139        synth_remove(&synth_dummy);
 140}
 141
 142module_init(dummy_init);
 143module_exit(dummy_exit);
 144MODULE_AUTHOR("Samuel Thibault <samuel.thibault@ens-lyon.org>");
 145MODULE_DESCRIPTION("Speakup support for text console");
 146MODULE_LICENSE("GPL");
 147MODULE_VERSION(DRV_VERSION);
 148
 149