LXR linux/drivers/staging/speakup/speakup

   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
  19static 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 */
  33static struct kobj_attribute caps_start_attribute =
  34        __ATTR(caps_start, 0644, spk_var_show, spk_var_store);
  35static struct kobj_attribute caps_stop_attribute =
  36        __ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
  37static struct kobj_attribute pitch_attribute =
  38        __ATTR(pitch, 0644, spk_var_show, spk_var_store);
  39static struct kobj_attribute rate_attribute =
  40        __ATTR(rate, 0644, spk_var_show, spk_var_store);
  41static struct kobj_attribute tone_attribute =
  42        __ATTR(tone, 0644, spk_var_show, spk_var_store);
  43static struct kobj_attribute vol_attribute =
  44        __ATTR(vol, 0644, spk_var_show, spk_var_store);
  45
  46static struct kobj_attribute delay_time_attribute =
  47        __ATTR(delay_time, 0644, spk_var_show, spk_var_store);
  48static struct kobj_attribute direct_attribute =
  49        __ATTR(direct, 0644, spk_var_show, spk_var_store);
  50static struct kobj_attribute full_time_attribute =
  51        __ATTR(full_time, 0644, spk_var_show, spk_var_store);
  52static struct kobj_attribute jiffy_delta_attribute =
  53        __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
  54static 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 */
  61static 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
  76static 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
 113module_param_named(ser, synth_bns.ser, int, 0444);
 114module_param_named(dev, synth_bns.dev_name, charp, 0444);
 115module_param_named(start, synth_bns.startup, short, 0444);
 116
 117MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
 118MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
 119MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
 120
 121module_spk_synth(synth_bns);
 122
 123MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
 124MODULE_AUTHOR("David Borowski");
 125MODULE_DESCRIPTION("Speakup support for Braille 'n Speak synthesizers");
 126MODULE_LICENSE("GPL");
 127MODULE_VERSION(DRV_VERSION);
 128
 129