drivers/staging/speakup/speakup_dummy.c

   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
  30 static 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  */
  44 static struct kobj_attribute caps_start_attribute =
  45         __ATTR(caps_start, 0644, spk_var_show, spk_var_store);
  46 static struct kobj_attribute caps_stop_attribute =
  47         __ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
  48 static struct kobj_attribute pitch_attribute =
  49         __ATTR(pitch, 0644, spk_var_show, spk_var_store);
  50 static struct kobj_attribute rate_attribute =
  51         __ATTR(rate, 0644, spk_var_show, spk_var_store);
  52 static struct kobj_attribute tone_attribute =
  53         __ATTR(tone, 0644, spk_var_show, spk_var_store);
  54 static struct kobj_attribute vol_attribute =
  55         __ATTR(vol, 0644, spk_var_show, spk_var_store);
  56
  57 static struct kobj_attribute delay_time_attribute =
  58         __ATTR(delay_time, 0644, spk_var_show, spk_var_store);
  59 static struct kobj_attribute direct_attribute =
  60         __ATTR(direct, 0644, spk_var_show, spk_var_store);
  61 static struct kobj_attribute full_time_attribute =
  62         __ATTR(full_time, 0644, spk_var_show, spk_var_store);
  63 static struct kobj_attribute jiffy_delta_attribute =
  64         __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
  65 static 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  */
  72 static 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
  87 static 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         .startup = SYNTH_START,
  99         .checkval = SYNTH_CHECK,
 100         .vars = vars,
 101         .probe = spk_serial_synth_probe,
 102         .release = spk_serial_release,
 103         .synth_immediate = spk_synth_immediate,
 104         .catch_up = spk_do_catch_up,
 105         .flush = spk_synth_flush,
 106         .is_alive = spk_synth_is_alive_restart,
 107         .synth_adjust = NULL,
 108         .read_buff_add = NULL,
 109         .get_index = NULL,
 110         .indexing = {
 111                 .command = NULL,
 112                 .lowindex = 0,
 113                 .highindex = 0,
 114                 .currindex = 0,
 115         },
 116         .attributes = {
 117                 .attrs = synth_attrs,
 118                 .name = "dummy",
 119         },
 120 };
 121
 122 module_param_named(ser, synth_dummy.ser, int, 0444);
 123 module_param_named(start, synth_dummy.startup, short, 0444);
 124
 125 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
 126 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
 127
 128 module_spk_synth(synth_dummy);
 129
 130 MODULE_AUTHOR("Samuel Thibault <samuel.thibault@ens-lyon.org>");
 131 MODULE_DESCRIPTION("Speakup support for text console");
 132 MODULE_LICENSE("GPL");
 133 MODULE_VERSION(DRV_VERSION);
 134