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  * 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
  34 static 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  */
  48 static struct kobj_attribute caps_start_attribute =
  49         __ATTR(caps_start, USER_RW, spk_var_show, spk_var_store);
  50 static struct kobj_attribute caps_stop_attribute =
  51         __ATTR(caps_stop, USER_RW, spk_var_show, spk_var_store);
  52 static struct kobj_attribute pitch_attribute =
  53         __ATTR(pitch, USER_RW, spk_var_show, spk_var_store);
  54 static struct kobj_attribute rate_attribute =
  55         __ATTR(rate, USER_RW, spk_var_show, spk_var_store);
  56 static struct kobj_attribute tone_attribute =
  57         __ATTR(tone, USER_RW, spk_var_show, spk_var_store);
  58 static struct kobj_attribute vol_attribute =
  59         __ATTR(vol, USER_RW, spk_var_show, spk_var_store);
  60
  61 static struct kobj_attribute delay_time_attribute =
  62         __ATTR(delay_time, ROOT_W, spk_var_show, spk_var_store);
  63 static struct kobj_attribute direct_attribute =
  64         __ATTR(direct, USER_RW, spk_var_show, spk_var_store);
  65 static struct kobj_attribute full_time_attribute =
  66         __ATTR(full_time, ROOT_W, spk_var_show, spk_var_store);
  67 static struct kobj_attribute jiffy_delta_attribute =
  68         __ATTR(jiffy_delta, ROOT_W, spk_var_show, spk_var_store);
  69 static 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  */
  76 static 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
  91 static 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
 126 module_param_named(ser, synth_dummy.ser, int, S_IRUGO);
 127 module_param_named(start, synth_dummy.startup, short, S_IRUGO);
 128
 129 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
 130 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
 131
 132 static int __init dummy_init(void)
 133 {
 134         return synth_add(&synth_dummy);
 135 }
 136
 137 static void __exit dummy_exit(void)
 138 {
 139         synth_remove(&synth_dummy);
 140 }
 141
 142 module_init(dummy_init);
 143 module_exit(dummy_exit);
 144 MODULE_AUTHOR("Samuel Thibault <samuel.thibault@ens-lyon.org>");
 145 MODULE_DESCRIPTION("Speakup support for text console");
 146 MODULE_LICENSE("GPL");
 147 MODULE_VERSION(DRV_VERSION);
 148