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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  * this code is specificly written as a driver for the speakup screenreview
19  * package and is not a general device driver.
20  */
21 
22 #include "spk_priv.h"
23 #include "speakup.h"
24 #include "speakup_acnt.h" /* local header file for Accent values */
25 
26 #define DRV_VERSION "2.11"
27 #define PROCSPEECH '\r'
28 
29 static int synth_probe(struct spk_synth *synth);
30 
31 static struct var_t vars[] = {
32 	{ CAPS_START, .u.s = {"\033P8" } },
33 	{ CAPS_STOP, .u.s = {"\033P5" } },
34 	{ RATE, .u.n = {"\033R%c", 9, 0, 17, 0, 0, "0123456789abcdefgh" } },
35 	{ PITCH, .u.n = {"\033P%d", 5, 0, 9, 0, 0, NULL } },
36 	{ VOL, .u.n = {"\033A%d", 9, 0, 9, 0, 0, NULL } },
37 	{ TONE, .u.n = {"\033V%d", 5, 0, 9, 0, 0, NULL } },
38 	{ DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
39 	V_LAST_VAR
40 };
41 
42 /*
43  * These attributes will appear in /sys/accessibility/speakup/acntsa.
44  */
45 static struct kobj_attribute caps_start_attribute =
46 	__ATTR(caps_start, 0644, spk_var_show, spk_var_store);
47 static struct kobj_attribute caps_stop_attribute =
48 	__ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
49 static struct kobj_attribute pitch_attribute =
50 	__ATTR(pitch, 0644, spk_var_show, spk_var_store);
51 static struct kobj_attribute rate_attribute =
52 	__ATTR(rate, 0644, spk_var_show, spk_var_store);
53 static struct kobj_attribute tone_attribute =
54 	__ATTR(tone, 0644, spk_var_show, spk_var_store);
55 static struct kobj_attribute vol_attribute =
56 	__ATTR(vol, 0644, spk_var_show, spk_var_store);
57 
58 static struct kobj_attribute delay_time_attribute =
59 	__ATTR(delay_time, 0644, spk_var_show, spk_var_store);
60 static struct kobj_attribute direct_attribute =
61 	__ATTR(direct, 0644, spk_var_show, spk_var_store);
62 static struct kobj_attribute full_time_attribute =
63 	__ATTR(full_time, 0644, spk_var_show, spk_var_store);
64 static struct kobj_attribute jiffy_delta_attribute =
65 	__ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
66 static struct kobj_attribute trigger_time_attribute =
67 	__ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
68 
69 /*
70  * Create a group of attributes so that we can create and destroy them all
71  * at once.
72  */
73 static struct attribute *synth_attrs[] = {
74 	&caps_start_attribute.attr,
75 	&caps_stop_attribute.attr,
76 	&pitch_attribute.attr,
77 	&rate_attribute.attr,
78 	&tone_attribute.attr,
79 	&vol_attribute.attr,
80 	&delay_time_attribute.attr,
81 	&direct_attribute.attr,
82 	&full_time_attribute.attr,
83 	&jiffy_delta_attribute.attr,
84 	&trigger_time_attribute.attr,
85 	NULL,	/* need to NULL terminate the list of attributes */
86 };
87 
88 static struct spk_synth synth_acntsa = {
89 	.name = "acntsa",
90 	.version = DRV_VERSION,
91 	.long_name = "Accent-SA",
92 	.init = "\033T2\033=M\033Oi\033N1\n",
93 	.procspeech = PROCSPEECH,
94 	.clear = SYNTH_CLEAR,
95 	.delay = 400,
96 	.trigger = 50,
97 	.jiffies = 30,
98 	.full = 40000,
99 	.dev_name = SYNTH_DEFAULT_DEV,
100 	.startup = SYNTH_START,
101 	.checkval = SYNTH_CHECK,
102 	.vars = vars,
103 	.io_ops = &spk_ttyio_ops,
104 	.probe = synth_probe,
105 	.release = spk_ttyio_release,
106 	.synth_immediate = spk_ttyio_synth_immediate,
107 	.catch_up = spk_do_catch_up,
108 	.flush = spk_synth_flush,
109 	.is_alive = spk_synth_is_alive_restart,
110 	.synth_adjust = NULL,
111 	.read_buff_add = NULL,
112 	.get_index = NULL,
113 	.indexing = {
114 		.command = NULL,
115 		.lowindex = 0,
116 		.highindex = 0,
117 		.currindex = 0,
118 	},
119 	.attributes = {
120 		.attrs = synth_attrs,
121 		.name = "acntsa",
122 	},
123 };
124 
synth_probe(struct spk_synth * synth)125 static int synth_probe(struct spk_synth *synth)
126 {
127 	int failed;
128 
129 	failed = spk_ttyio_synth_probe(synth);
130 	if (failed == 0) {
131 		synth->synth_immediate(synth, "\033=R\r");
132 		mdelay(100);
133 	}
134 	synth->alive = !failed;
135 	return failed;
136 }
137 
138 module_param_named(ser, synth_acntsa.ser, int, 0444);
139 module_param_named(dev, synth_acntsa.dev_name, charp, S_IRUGO);
140 module_param_named(start, synth_acntsa.startup, short, 0444);
141 
142 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
143 MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
144 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
145 
146 module_spk_synth(synth_acntsa);
147 
148 MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
149 MODULE_AUTHOR("David Borowski");
150 MODULE_DESCRIPTION("Speakup support for Accent SA synthesizer");
151 MODULE_LICENSE("GPL");
152 MODULE_VERSION(DRV_VERSION);
153 
154