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 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, write to the Free Software
  20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21 *
  22 * this code is specificly written as a driver for the speakup screenreview
  23 * package and is not a general device driver.
  24 */
  25#include "spk_priv.h"
  26#include "speakup.h"
  27
  28#define DRV_VERSION "2.11"
  29#define SYNTH_CLEAR 0x18
  30#define PROCSPEECH '\r'
  31
  32static struct var_t vars[] = {
  33        { CAPS_START, .u.s = {"\x05\x31\x32P" } },
  34        { CAPS_STOP, .u.s = {"\x05\x38P" } },
  35        { RATE, .u.n = {"\x05%dE", 8, 1, 16, 0, 0, NULL } },
  36        { PITCH, .u.n = {"\x05%dP", 8, 0, 16, 0, 0, NULL } },
  37        { VOL, .u.n = {"\x05%dV", 8, 0, 16, 0, 0, NULL } },
  38        { TONE, .u.n = {"\x05%dT", 8, 0, 16, 0, 0, NULL } },
  39        { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
  40        V_LAST_VAR
  41};
  42
  43/*
  44 * These attributes will appear in /sys/accessibility/speakup/bns.
  45 */
  46static struct kobj_attribute caps_start_attribute =
  47        __ATTR(caps_start, USER_RW, spk_var_show, spk_var_store);
  48static struct kobj_attribute caps_stop_attribute =
  49        __ATTR(caps_stop, USER_RW, spk_var_show, spk_var_store);
  50static struct kobj_attribute pitch_attribute =
  51        __ATTR(pitch, USER_RW, spk_var_show, spk_var_store);
  52static struct kobj_attribute rate_attribute =
  53        __ATTR(rate, USER_RW, spk_var_show, spk_var_store);
  54static struct kobj_attribute tone_attribute =
  55        __ATTR(tone, USER_RW, spk_var_show, spk_var_store);
  56static struct kobj_attribute vol_attribute =
  57        __ATTR(vol, USER_RW, spk_var_show, spk_var_store);
  58
  59static struct kobj_attribute delay_time_attribute =
  60        __ATTR(delay_time, ROOT_W, spk_var_show, spk_var_store);
  61static struct kobj_attribute direct_attribute =
  62        __ATTR(direct, USER_RW, spk_var_show, spk_var_store);
  63static struct kobj_attribute full_time_attribute =
  64        __ATTR(full_time, ROOT_W, spk_var_show, spk_var_store);
  65static struct kobj_attribute jiffy_delta_attribute =
  66        __ATTR(jiffy_delta, ROOT_W, spk_var_show, spk_var_store);
  67static struct kobj_attribute trigger_time_attribute =
  68        __ATTR(trigger_time, ROOT_W, spk_var_show, spk_var_store);
  69
  70/*
  71 * Create a group of attributes so that we can create and destroy them all
  72 * at once.
  73 */
  74static struct attribute *synth_attrs[] = {
  75        &caps_start_attribute.attr,
  76        &caps_stop_attribute.attr,
  77        &pitch_attribute.attr,
  78        &rate_attribute.attr,
  79        &tone_attribute.attr,
  80        &vol_attribute.attr,
  81        &delay_time_attribute.attr,
  82        &direct_attribute.attr,
  83        &full_time_attribute.attr,
  84        &jiffy_delta_attribute.attr,
  85        &trigger_time_attribute.attr,
  86        NULL,   /* need to NULL terminate the list of attributes */
  87};
  88
  89static struct spk_synth synth_bns = {
  90        .name = "bns",
  91        .version = DRV_VERSION,
  92        .long_name = "Braille 'N Speak",
  93        .init = "\x05Z\x05\x43",
  94        .procspeech = PROCSPEECH,
  95        .clear = SYNTH_CLEAR,
  96        .delay = 500,
  97        .trigger = 50,
  98        .jiffies = 50,
  99        .full = 40000,
 100        .startup = SYNTH_START,
 101        .checkval = SYNTH_CHECK,
 102        .vars = vars,
 103        .probe = serial_synth_probe,
 104        .release = spk_serial_release,
 105        .synth_immediate = spk_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 = "bns",
 121        },
 122};
 123
 124module_param_named(ser, synth_bns.ser, int, S_IRUGO);
 125module_param_named(start, synth_bns.startup, short, S_IRUGO);
 126
 127MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
 128MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
 129
 130static int __init bns_init(void)
 131{
 132        return synth_add(&synth_bns);
 133}
 134
 135static void __exit bns_exit(void)
 136{
 137        synth_remove(&synth_bns);
 138}
 139
 140module_init(bns_init);
 141module_exit(bns_exit);
 142MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
 143MODULE_AUTHOR("David Borowski");
 144MODULE_DESCRIPTION("Speakup support for Braille 'n Speak synthesizers");
 145MODULE_LICENSE("GPL");
 146MODULE_VERSION(DRV_VERSION);
 147
 148