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 * eventually modified by Samuel Thibault <samuel.thibault@ens-lyon.org>
6 *
7 * Copyright (C) 1998-99  Kirk Reiser.
8 * Copyright (C) 2003 David Borowski.
9 * Copyright (C) 2007 Samuel Thibault.
10 *
11 * specificly written as a driver for the speakup screenreview
12 * s not a general device driver.
13 */
14#include "spk_priv.h"
15#include "speakup.h"
16
17#define PROCSPEECH '\n'
18#define DRV_VERSION "2.11"
19#define SYNTH_CLEAR '!'
20
21static struct var_t vars[] = {
22	{ CAPS_START, .u.s = {"CAPS_START\n" } },
23	{ CAPS_STOP, .u.s = {"CAPS_STOP\n" } },
24	{ PAUSE, .u.s = {"PAUSE\n"} },
25	{ RATE, .u.n = {"RATE %d\n", 8, 1, 16, 0, 0, NULL } },
26	{ PITCH, .u.n = {"PITCH %d\n", 8, 0, 16, 0, 0, NULL } },
27	{ INFLECTION, .u.n = {"INFLECTION %d\n", 8, 0, 16, 0, 0, NULL } },
28	{ VOL, .u.n = {"VOL %d\n", 8, 0, 16, 0, 0, NULL } },
29	{ TONE, .u.n = {"TONE %d\n", 8, 0, 16, 0, 0, NULL } },
30	{ DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
31	V_LAST_VAR
32};
33
34/*
35 * These attributes will appear in /sys/accessibility/speakup/dummy.
36 */
37static struct kobj_attribute caps_start_attribute =
38	__ATTR(caps_start, 0644, spk_var_show, spk_var_store);
39static struct kobj_attribute caps_stop_attribute =
40	__ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
41static struct kobj_attribute pitch_attribute =
42	__ATTR(pitch, 0644, spk_var_show, spk_var_store);
43static struct kobj_attribute inflection_attribute =
44	__ATTR(inflection, 0644, spk_var_show, spk_var_store);
45static struct kobj_attribute rate_attribute =
46	__ATTR(rate, 0644, spk_var_show, spk_var_store);
47static struct kobj_attribute tone_attribute =
48	__ATTR(tone, 0644, spk_var_show, spk_var_store);
49static struct kobj_attribute vol_attribute =
50	__ATTR(vol, 0644, spk_var_show, spk_var_store);
51
52static struct kobj_attribute delay_time_attribute =
53	__ATTR(delay_time, 0644, spk_var_show, spk_var_store);
54static struct kobj_attribute direct_attribute =
55	__ATTR(direct, 0644, spk_var_show, spk_var_store);
56static struct kobj_attribute full_time_attribute =
57	__ATTR(full_time, 0644, spk_var_show, spk_var_store);
58static struct kobj_attribute jiffy_delta_attribute =
59	__ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
60static struct kobj_attribute trigger_time_attribute =
61	__ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
62
63/*
64 * Create a group of attributes so that we can create and destroy them all
65 * at once.
66 */
67static struct attribute *synth_attrs[] = {
68	&caps_start_attribute.attr,
69	&caps_stop_attribute.attr,
70	&pitch_attribute.attr,
71	&inflection_attribute.attr,
72	&rate_attribute.attr,
73	&tone_attribute.attr,
74	&vol_attribute.attr,
75	&delay_time_attribute.attr,
76	&direct_attribute.attr,
77	&full_time_attribute.attr,
78	&jiffy_delta_attribute.attr,
79	&trigger_time_attribute.attr,
80	NULL,	/* need to NULL terminate the list of attributes */
81};
82
83static struct spk_synth synth_dummy = {
84	.name = "dummy",
85	.version = DRV_VERSION,
86	.long_name = "Dummy",
87	.init = "Speakup\n",
88	.procspeech = PROCSPEECH,
89	.clear = SYNTH_CLEAR,
90	.delay = 500,
91	.trigger = 50,
92	.jiffies = 50,
93	.full = 40000,
94	.dev_name = SYNTH_DEFAULT_DEV,
95	.startup = SYNTH_START,
96	.checkval = SYNTH_CHECK,
97	.vars = vars,
98	.io_ops = &spk_ttyio_ops,
99	.probe = spk_ttyio_synth_probe,
100	.release = spk_ttyio_release,
101	.synth_immediate = spk_ttyio_synth_immediate,
102	.catch_up = spk_do_catch_up_unicode,
103	.flush = spk_synth_flush,
104	.is_alive = spk_synth_is_alive_restart,
105	.synth_adjust = NULL,
106	.read_buff_add = NULL,
107	.get_index = NULL,
108	.indexing = {
109		.command = NULL,
110		.lowindex = 0,
111		.highindex = 0,
112		.currindex = 0,
113	},
114	.attributes = {
115		.attrs = synth_attrs,
116		.name = "dummy",
117	},
118};
119
120module_param_named(ser, synth_dummy.ser, int, 0444);
121module_param_named(dev, synth_dummy.dev_name, charp, 0444);
122module_param_named(start, synth_dummy.startup, short, 0444);
123
124MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
125MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
126MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
127
128module_spk_synth(synth_dummy);
129
130MODULE_AUTHOR("Samuel Thibault <samuel.thibault@ens-lyon.org>");
131MODULE_DESCRIPTION("Speakup support for text console");
132MODULE_LICENSE("GPL");
133MODULE_VERSION(DRV_VERSION);
134
135