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1 /*
2  * originally written by: Kirk Reiser <kirk@braille.uwo.ca>
3  * this version considerably modified by David Borowski, david575@rogers.com
4  *
5  * Copyright (C) 1998-99  Kirk Reiser.
6  * Copyright (C) 2003 David Borowski.
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * specificly written as a driver for the speakup screenreview
19  * s not a general device driver.
20  */
21 #include "spk_priv.h"
22 #include "speakup.h"
23 
24 #define DRV_VERSION "2.11"
25 #define SYNTH_CLEAR 0x18
26 #define PROCSPEECH '\r'
27 
28 static void synth_flush(struct spk_synth *synth);
29 
30 static struct var_t vars[] = {
31 	{ CAPS_START, .u.s = {"\x05P+" } },
32 	{ CAPS_STOP, .u.s = {"\x05P-" } },
33 	{ RATE, .u.n = {"\x05R%d", 7, 0, 9, 0, 0, NULL } },
34 	{ PITCH, .u.n = {"\x05P%d", 3, 0, 9, 0, 0, NULL } },
35 	{ VOL, .u.n = {"\x05V%d", 9, 0, 9, 0, 0, NULL } },
36 	{ TONE, .u.n = {"\x05T%c", 8, 0, 25, 65, 0, NULL } },
37 	{ PUNCT, .u.n = {"\x05M%c", 0, 0, 3, 0, 0, "nsma" } },
38 	{ DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
39 	V_LAST_VAR
40 };
41 
42 /* These attributes will appear in /sys/accessibility/speakup/spkout. */
43 
44 static struct kobj_attribute caps_start_attribute =
45 	__ATTR(caps_start, 0644, spk_var_show, spk_var_store);
46 static struct kobj_attribute caps_stop_attribute =
47 	__ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
48 static struct kobj_attribute pitch_attribute =
49 	__ATTR(pitch, 0644, spk_var_show, spk_var_store);
50 static struct kobj_attribute punct_attribute =
51 	__ATTR(punct, 0644, spk_var_show, spk_var_store);
52 static struct kobj_attribute rate_attribute =
53 	__ATTR(rate, 0644, spk_var_show, spk_var_store);
54 static struct kobj_attribute tone_attribute =
55 	__ATTR(tone, 0644, spk_var_show, spk_var_store);
56 static struct kobj_attribute vol_attribute =
57 	__ATTR(vol, 0644, spk_var_show, spk_var_store);
58 
59 static struct kobj_attribute delay_time_attribute =
60 	__ATTR(delay_time, 0644, spk_var_show, spk_var_store);
61 static struct kobj_attribute direct_attribute =
62 	__ATTR(direct, 0644, spk_var_show, spk_var_store);
63 static struct kobj_attribute full_time_attribute =
64 	__ATTR(full_time, 0644, spk_var_show, spk_var_store);
65 static struct kobj_attribute jiffy_delta_attribute =
66 	__ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
67 static struct kobj_attribute trigger_time_attribute =
68 	__ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
69 
70 /*
71  * Create a group of attributes so that we can create and destroy them all
72  * at once.
73  */
74 static struct attribute *synth_attrs[] = {
75 	&caps_start_attribute.attr,
76 	&caps_stop_attribute.attr,
77 	&pitch_attribute.attr,
78 	&punct_attribute.attr,
79 	&rate_attribute.attr,
80 	&tone_attribute.attr,
81 	&vol_attribute.attr,
82 	&delay_time_attribute.attr,
83 	&direct_attribute.attr,
84 	&full_time_attribute.attr,
85 	&jiffy_delta_attribute.attr,
86 	&trigger_time_attribute.attr,
87 	NULL,	/* need to NULL terminate the list of attributes */
88 };
89 
90 static struct spk_synth synth_spkout = {
91 	.name = "spkout",
92 	.version = DRV_VERSION,
93 	.long_name = "Speakout",
94 	.init = "\005W1\005I2\005C3",
95 	.procspeech = PROCSPEECH,
96 	.clear = SYNTH_CLEAR,
97 	.delay = 500,
98 	.trigger = 50,
99 	.jiffies = 50,
100 	.full = 40000,
101 	.dev_name = SYNTH_DEFAULT_DEV,
102 	.startup = SYNTH_START,
103 	.checkval = SYNTH_CHECK,
104 	.vars = vars,
105 	.io_ops = &spk_ttyio_ops,
106 	.probe = spk_ttyio_synth_probe,
107 	.release = spk_ttyio_release,
108 	.synth_immediate = spk_ttyio_synth_immediate,
109 	.catch_up = spk_do_catch_up,
110 	.flush = synth_flush,
111 	.is_alive = spk_synth_is_alive_restart,
112 	.synth_adjust = NULL,
113 	.read_buff_add = NULL,
114 	.get_index = spk_synth_get_index,
115 	.indexing = {
116 		.command = "\x05[%c",
117 		.lowindex = 1,
118 		.highindex = 5,
119 		.currindex = 1,
120 	},
121 	.attributes = {
122 		.attrs = synth_attrs,
123 		.name = "spkout",
124 	},
125 };
126 
synth_flush(struct spk_synth * synth)127 static void synth_flush(struct spk_synth *synth)
128 {
129 	synth->io_ops->flush_buffer();
130 	synth->io_ops->send_xchar(SYNTH_CLEAR);
131 }
132 
133 module_param_named(ser, synth_spkout.ser, int, 0444);
134 module_param_named(dev, synth_spkout.dev_name, charp, S_IRUGO);
135 module_param_named(start, synth_spkout.startup, short, 0444);
136 
137 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
138 MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
139 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
140 
141 module_spk_synth(synth_spkout);
142 
143 MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
144 MODULE_AUTHOR("David Borowski");
145 MODULE_DESCRIPTION("Speakup support for Speak Out synthesizers");
146 MODULE_LICENSE("GPL");
147 MODULE_VERSION(DRV_VERSION);
148 
149