root/drivers/staging/speakup/speakup_bns.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * originally written by: Kirk Reiser <kirk@braille.uwo.ca>
   4  * this version considerably modified by David Borowski, david575@rogers.com
   5  *
   6  * Copyright (C) 1998-99  Kirk Reiser.
   7  * Copyright (C) 2003 David Borowski.
   8  *
   9  * this code is specificly written as a driver for the speakup screenreview
  10  * package and is not a general device driver.
  11  */
  12 #include "spk_priv.h"
  13 #include "speakup.h"
  14 
  15 #define DRV_VERSION "2.11"
  16 #define SYNTH_CLEAR 0x18
  17 #define PROCSPEECH '\r'
  18 
  19 static struct var_t vars[] = {
  20         { CAPS_START, .u.s = {"\x05\x31\x32P" } },
  21         { CAPS_STOP, .u.s = {"\x05\x38P" } },
  22         { RATE, .u.n = {"\x05%dE", 8, 1, 16, 0, 0, NULL } },
  23         { PITCH, .u.n = {"\x05%dP", 8, 0, 16, 0, 0, NULL } },
  24         { VOL, .u.n = {"\x05%dV", 8, 0, 16, 0, 0, NULL } },
  25         { TONE, .u.n = {"\x05%dT", 8, 0, 16, 0, 0, NULL } },
  26         { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
  27         V_LAST_VAR
  28 };
  29 
  30 /*
  31  * These attributes will appear in /sys/accessibility/speakup/bns.
  32  */
  33 static struct kobj_attribute caps_start_attribute =
  34         __ATTR(caps_start, 0644, spk_var_show, spk_var_store);
  35 static struct kobj_attribute caps_stop_attribute =
  36         __ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
  37 static struct kobj_attribute pitch_attribute =
  38         __ATTR(pitch, 0644, spk_var_show, spk_var_store);
  39 static struct kobj_attribute rate_attribute =
  40         __ATTR(rate, 0644, spk_var_show, spk_var_store);
  41 static struct kobj_attribute tone_attribute =
  42         __ATTR(tone, 0644, spk_var_show, spk_var_store);
  43 static struct kobj_attribute vol_attribute =
  44         __ATTR(vol, 0644, spk_var_show, spk_var_store);
  45 
  46 static struct kobj_attribute delay_time_attribute =
  47         __ATTR(delay_time, 0644, spk_var_show, spk_var_store);
  48 static struct kobj_attribute direct_attribute =
  49         __ATTR(direct, 0644, spk_var_show, spk_var_store);
  50 static struct kobj_attribute full_time_attribute =
  51         __ATTR(full_time, 0644, spk_var_show, spk_var_store);
  52 static struct kobj_attribute jiffy_delta_attribute =
  53         __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
  54 static struct kobj_attribute trigger_time_attribute =
  55         __ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
  56 
  57 /*
  58  * Create a group of attributes so that we can create and destroy them all
  59  * at once.
  60  */
  61 static struct attribute *synth_attrs[] = {
  62         &caps_start_attribute.attr,
  63         &caps_stop_attribute.attr,
  64         &pitch_attribute.attr,
  65         &rate_attribute.attr,
  66         &tone_attribute.attr,
  67         &vol_attribute.attr,
  68         &delay_time_attribute.attr,
  69         &direct_attribute.attr,
  70         &full_time_attribute.attr,
  71         &jiffy_delta_attribute.attr,
  72         &trigger_time_attribute.attr,
  73         NULL,   /* need to NULL terminate the list of attributes */
  74 };
  75 
  76 static struct spk_synth synth_bns = {
  77         .name = "bns",
  78         .version = DRV_VERSION,
  79         .long_name = "Braille 'N Speak",
  80         .init = "\x05Z\x05\x43",
  81         .procspeech = PROCSPEECH,
  82         .clear = SYNTH_CLEAR,
  83         .delay = 500,
  84         .trigger = 50,
  85         .jiffies = 50,
  86         .full = 40000,
  87         .dev_name = SYNTH_DEFAULT_DEV,
  88         .startup = SYNTH_START,
  89         .checkval = SYNTH_CHECK,
  90         .vars = vars,
  91         .io_ops = &spk_ttyio_ops,
  92         .probe = spk_ttyio_synth_probe,
  93         .release = spk_ttyio_release,
  94         .synth_immediate = spk_ttyio_synth_immediate,
  95         .catch_up = spk_do_catch_up,
  96         .flush = spk_synth_flush,
  97         .is_alive = spk_synth_is_alive_restart,
  98         .synth_adjust = NULL,
  99         .read_buff_add = NULL,
 100         .get_index = NULL,
 101         .indexing = {
 102                 .command = NULL,
 103                 .lowindex = 0,
 104                 .highindex = 0,
 105                 .currindex = 0,
 106         },
 107         .attributes = {
 108                 .attrs = synth_attrs,
 109                 .name = "bns",
 110         },
 111 };
 112 
 113 module_param_named(ser, synth_bns.ser, int, 0444);
 114 module_param_named(dev, synth_bns.dev_name, charp, 0444);
 115 module_param_named(start, synth_bns.startup, short, 0444);
 116 
 117 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
 118 MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
 119 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
 120 
 121 module_spk_synth(synth_bns);
 122 
 123 MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
 124 MODULE_AUTHOR("David Borowski");
 125 MODULE_DESCRIPTION("Speakup support for Braille 'n Speak synthesizers");
 126 MODULE_LICENSE("GPL");
 127 MODULE_VERSION(DRV_VERSION);
 128