drivers/staging/speakup/speakup_bns.c

   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
  32 static 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  */
  46 static struct kobj_attribute caps_start_attribute =
  47         __ATTR(caps_start, USER_RW, spk_var_show, spk_var_store);
  48 static struct kobj_attribute caps_stop_attribute =
  49         __ATTR(caps_stop, USER_RW, spk_var_show, spk_var_store);
  50 static struct kobj_attribute pitch_attribute =
  51         __ATTR(pitch, USER_RW, spk_var_show, spk_var_store);
  52 static struct kobj_attribute rate_attribute =
  53         __ATTR(rate, USER_RW, spk_var_show, spk_var_store);
  54 static struct kobj_attribute tone_attribute =
  55         __ATTR(tone, USER_RW, spk_var_show, spk_var_store);
  56 static struct kobj_attribute vol_attribute =
  57         __ATTR(vol, USER_RW, spk_var_show, spk_var_store);
  58
  59 static struct kobj_attribute delay_time_attribute =
  60         __ATTR(delay_time, ROOT_W, spk_var_show, spk_var_store);
  61 static struct kobj_attribute direct_attribute =
  62         __ATTR(direct, USER_RW, spk_var_show, spk_var_store);
  63 static struct kobj_attribute full_time_attribute =
  64         __ATTR(full_time, ROOT_W, spk_var_show, spk_var_store);
  65 static struct kobj_attribute jiffy_delta_attribute =
  66         __ATTR(jiffy_delta, ROOT_W, spk_var_show, spk_var_store);
  67 static 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  */
  74 static 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
  89 static 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
 124 module_param_named(ser, synth_bns.ser, int, S_IRUGO);
 125 module_param_named(start, synth_bns.startup, short, S_IRUGO);
 126
 127 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
 128 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
 129
 130 static int __init bns_init(void)
 131 {
 132         return synth_add(&synth_bns);
 133 }
 134
 135 static void __exit bns_exit(void)
 136 {
 137         synth_remove(&synth_bns);
 138 }
 139
 140 module_init(bns_init);
 141 module_exit(bns_exit);
 142 MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
 143 MODULE_AUTHOR("David Borowski");
 144 MODULE_DESCRIPTION("Speakup support for Braille 'n Speak synthesizers");
 145 MODULE_LICENSE("GPL");
 146 MODULE_VERSION(DRV_VERSION);
 147