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 * specificly written as a driver for the speakup screenreview
10 * s 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' /* process speech char */
18
19static struct var_t vars[] = {
20	{ CAPS_START, .u.s = {"\x05P8" } },
21	{ CAPS_STOP, .u.s = {"\x05P5" } },
22	{ RATE, .u.n = {"\x05R%d", 5, 0, 9, 0, 0, NULL } },
23	{ PITCH, .u.n = {"\x05P%d", 5, 0, 9, 0, 0, NULL } },
24	{ VOL, .u.n = {"\x05V%d", 5, 0, 9, 0, 0, NULL } },
25	{ TONE, .u.n = {"\x05T%c", 12, 0, 25, 61, 0, NULL } },
26	{ DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
27	V_LAST_VAR
28	 };
29
30/* These attributes will appear in /sys/accessibility/speakup/txprt. */
31
32static struct kobj_attribute caps_start_attribute =
33	__ATTR(caps_start, 0644, spk_var_show, spk_var_store);
34static struct kobj_attribute caps_stop_attribute =
35	__ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
36static struct kobj_attribute pitch_attribute =
37	__ATTR(pitch, 0644, spk_var_show, spk_var_store);
38static struct kobj_attribute rate_attribute =
39	__ATTR(rate, 0644, spk_var_show, spk_var_store);
40static struct kobj_attribute tone_attribute =
41	__ATTR(tone, 0644, spk_var_show, spk_var_store);
42static struct kobj_attribute vol_attribute =
43	__ATTR(vol, 0644, spk_var_show, spk_var_store);
44
45static struct kobj_attribute delay_time_attribute =
46	__ATTR(delay_time, 0644, spk_var_show, spk_var_store);
47static struct kobj_attribute direct_attribute =
48	__ATTR(direct, 0644, spk_var_show, spk_var_store);
49static struct kobj_attribute full_time_attribute =
50	__ATTR(full_time, 0644, spk_var_show, spk_var_store);
51static struct kobj_attribute jiffy_delta_attribute =
52	__ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
53static struct kobj_attribute trigger_time_attribute =
54	__ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
55
56/*
57 * Create a group of attributes so that we can create and destroy them all
58 * at once.
59 */
60static struct attribute *synth_attrs[] = {
61	&caps_start_attribute.attr,
62	&caps_stop_attribute.attr,
63	&pitch_attribute.attr,
64	&rate_attribute.attr,
65	&tone_attribute.attr,
66	&vol_attribute.attr,
67	&delay_time_attribute.attr,
68	&direct_attribute.attr,
69	&full_time_attribute.attr,
70	&jiffy_delta_attribute.attr,
71	&trigger_time_attribute.attr,
72	NULL,	/* need to NULL terminate the list of attributes */
73};
74
75static struct spk_synth synth_txprt = {
76	.name = "txprt",
77	.version = DRV_VERSION,
78	.long_name = "Transport",
79	.init = "\x05N1",
80	.procspeech = PROCSPEECH,
81	.clear = SYNTH_CLEAR,
82	.delay = 500,
83	.trigger = 50,
84	.jiffies = 50,
85	.full = 40000,
86	.dev_name = SYNTH_DEFAULT_DEV,
87	.startup = SYNTH_START,
88	.checkval = SYNTH_CHECK,
89	.vars = vars,
90	.io_ops = &spk_ttyio_ops,
91	.probe = spk_ttyio_synth_probe,
92	.release = spk_ttyio_release,
93	.synth_immediate = spk_ttyio_synth_immediate,
94	.catch_up = spk_do_catch_up,
95	.flush = spk_synth_flush,
96	.is_alive = spk_synth_is_alive_restart,
97	.synth_adjust = NULL,
98	.read_buff_add = NULL,
99	.get_index = NULL,
100	.indexing = {
101		.command = NULL,
102		.lowindex = 0,
103		.highindex = 0,
104		.currindex = 0,
105	},
106	.attributes = {
107		.attrs = synth_attrs,
108		.name = "txprt",
109	},
110};
111
112module_param_named(ser, synth_txprt.ser, int, 0444);
113module_param_named(dev, synth_txprt.dev_name, charp, 0444);
114module_param_named(start, synth_txprt.startup, short, 0444);
115
116MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
117MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
118MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
119
120module_spk_synth(synth_txprt);
121
122MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
123MODULE_AUTHOR("David Borowski");
124MODULE_DESCRIPTION("Speakup support for Transport synthesizers");
125MODULE_LICENSE("GPL");
126MODULE_VERSION(DRV_VERSION);
127
128