cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

speakup_bns.c (4051B)

      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 specifically 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