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 *
   5 * Copyright (C) 1998-99  Kirk Reiser.
   6 * Copyright (C) 2003 David Borowski.
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License as published by
  10 * the Free Software Foundation; either version 2 of the License, or
  11 * (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 * this code is specificly written as a driver for the speakup screenreview
  19 * package and is not a general device driver.
  20 */
  21#include "spk_priv.h"
  22#include "speakup.h"
  23
  24#define DRV_VERSION "2.11"
  25#define SYNTH_CLEAR 0x18
  26#define PROCSPEECH '\r'
  27
  28static struct var_t vars[] = {
  29        { CAPS_START, .u.s = {"\x05\x31\x32P" } },
  30        { CAPS_STOP, .u.s = {"\x05\x38P" } },
  31        { RATE, .u.n = {"\x05%dE", 8, 1, 16, 0, 0, NULL } },
  32        { PITCH, .u.n = {"\x05%dP", 8, 0, 16, 0, 0, NULL } },
  33        { VOL, .u.n = {"\x05%dV", 8, 0, 16, 0, 0, NULL } },
  34        { TONE, .u.n = {"\x05%dT", 8, 0, 16, 0, 0, NULL } },
  35        { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
  36        V_LAST_VAR
  37};
  38
  39/*
  40 * These attributes will appear in /sys/accessibility/speakup/bns.
  41 */
  42static struct kobj_attribute caps_start_attribute =
  43        __ATTR(caps_start, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
  44static struct kobj_attribute caps_stop_attribute =
  45        __ATTR(caps_stop, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
  46static struct kobj_attribute pitch_attribute =
  47        __ATTR(pitch, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
  48static struct kobj_attribute rate_attribute =
  49        __ATTR(rate, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
  50static struct kobj_attribute tone_attribute =
  51        __ATTR(tone, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
  52static struct kobj_attribute vol_attribute =
  53        __ATTR(vol, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
  54
  55static struct kobj_attribute delay_time_attribute =
  56        __ATTR(delay_time, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
  57static struct kobj_attribute direct_attribute =
  58        __ATTR(direct, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
  59static struct kobj_attribute full_time_attribute =
  60        __ATTR(full_time, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
  61static struct kobj_attribute jiffy_delta_attribute =
  62        __ATTR(jiffy_delta, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
  63static struct kobj_attribute trigger_time_attribute =
  64        __ATTR(trigger_time, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
  65
  66/*
  67 * Create a group of attributes so that we can create and destroy them all
  68 * at once.
  69 */
  70static struct attribute *synth_attrs[] = {
  71        &caps_start_attribute.attr,
  72        &caps_stop_attribute.attr,
  73        &pitch_attribute.attr,
  74        &rate_attribute.attr,
  75        &tone_attribute.attr,
  76        &vol_attribute.attr,
  77        &delay_time_attribute.attr,
  78        &direct_attribute.attr,
  79        &full_time_attribute.attr,
  80        &jiffy_delta_attribute.attr,
  81        &trigger_time_attribute.attr,
  82        NULL,   /* need to NULL terminate the list of attributes */
  83};
  84
  85static struct spk_synth synth_bns = {
  86        .name = "bns",
  87        .version = DRV_VERSION,
  88        .long_name = "Braille 'N Speak",
  89        .init = "\x05Z\x05\x43",
  90        .procspeech = PROCSPEECH,
  91        .clear = SYNTH_CLEAR,
  92        .delay = 500,
  93        .trigger = 50,
  94        .jiffies = 50,
  95        .full = 40000,
  96        .startup = SYNTH_START,
  97        .checkval = SYNTH_CHECK,
  98        .vars = vars,
  99        .probe = spk_serial_synth_probe,
 100        .release = spk_serial_release,
 101        .synth_immediate = spk_synth_immediate,
 102        .catch_up = spk_do_catch_up,
 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 = "bns",
 117        },
 118};
 119
 120module_param_named(ser, synth_bns.ser, int, S_IRUGO);
 121module_param_named(start, synth_bns.startup, short, S_IRUGO);
 122
 123MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
 124MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
 125
 126module_spk_synth(synth_bns);
 127
 128MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
 129MODULE_AUTHOR("David Borowski");
 130MODULE_DESCRIPTION("Speakup support for Braille 'n Speak synthesizers");
 131MODULE_LICENSE("GPL");
 132MODULE_VERSION(DRV_VERSION);
 133
 134