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