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  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21  *
22  * this code is specificly written as a driver for the speakup screenreview
23  * package and is not a general device driver.
24  */
25 #include "spk_priv.h"
26 #include "speakup.h"
27 
28 #define DRV_VERSION "2.11"
29 #define SYNTH_CLEAR 0x18
30 #define PROCSPEECH '\r'
31 
32 static struct var_t vars[] = {
33 	{ CAPS_START, .u.s = {"\x05\x31\x32P" } },
34 	{ CAPS_STOP, .u.s = {"\x05\x38P" } },
35 	{ RATE, .u.n = {"\x05%dE", 8, 1, 16, 0, 0, NULL } },
36 	{ PITCH, .u.n = {"\x05%dP", 8, 0, 16, 0, 0, NULL } },
37 	{ VOL, .u.n = {"\x05%dV", 8, 0, 16, 0, 0, NULL } },
38 	{ TONE, .u.n = {"\x05%dT", 8, 0, 16, 0, 0, NULL } },
39 	{ DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
40 	V_LAST_VAR
41 };
42 
43 /*
44  * These attributes will appear in /sys/accessibility/speakup/bns.
45  */
46 static struct kobj_attribute caps_start_attribute =
47 	__ATTR(caps_start, USER_RW, spk_var_show, spk_var_store);
48 static struct kobj_attribute caps_stop_attribute =
49 	__ATTR(caps_stop, USER_RW, spk_var_show, spk_var_store);
50 static struct kobj_attribute pitch_attribute =
51 	__ATTR(pitch, USER_RW, spk_var_show, spk_var_store);
52 static struct kobj_attribute rate_attribute =
53 	__ATTR(rate, USER_RW, spk_var_show, spk_var_store);
54 static struct kobj_attribute tone_attribute =
55 	__ATTR(tone, USER_RW, spk_var_show, spk_var_store);
56 static struct kobj_attribute vol_attribute =
57 	__ATTR(vol, USER_RW, spk_var_show, spk_var_store);
58 
59 static struct kobj_attribute delay_time_attribute =
60 	__ATTR(delay_time, ROOT_W, spk_var_show, spk_var_store);
61 static struct kobj_attribute direct_attribute =
62 	__ATTR(direct, USER_RW, spk_var_show, spk_var_store);
63 static struct kobj_attribute full_time_attribute =
64 	__ATTR(full_time, ROOT_W, spk_var_show, spk_var_store);
65 static struct kobj_attribute jiffy_delta_attribute =
66 	__ATTR(jiffy_delta, ROOT_W, spk_var_show, spk_var_store);
67 static struct kobj_attribute trigger_time_attribute =
68 	__ATTR(trigger_time, ROOT_W, 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 	&rate_attribute.attr,
79 	&tone_attribute.attr,
80 	&vol_attribute.attr,
81 	&delay_time_attribute.attr,
82 	&direct_attribute.attr,
83 	&full_time_attribute.attr,
84 	&jiffy_delta_attribute.attr,
85 	&trigger_time_attribute.attr,
86 	NULL,	/* need to NULL terminate the list of attributes */
87 };
88 
89 static struct spk_synth synth_bns = {
90 	.name = "bns",
91 	.version = DRV_VERSION,
92 	.long_name = "Braille 'N Speak",
93 	.init = "\x05Z\x05\x43",
94 	.procspeech = PROCSPEECH,
95 	.clear = SYNTH_CLEAR,
96 	.delay = 500,
97 	.trigger = 50,
98 	.jiffies = 50,
99 	.full = 40000,
100 	.startup = SYNTH_START,
101 	.checkval = SYNTH_CHECK,
102 	.vars = vars,
103 	.probe = serial_synth_probe,
104 	.release = spk_serial_release,
105 	.synth_immediate = spk_synth_immediate,
106 	.catch_up = spk_do_catch_up,
107 	.flush = spk_synth_flush,
108 	.is_alive = spk_synth_is_alive_restart,
109 	.synth_adjust = NULL,
110 	.read_buff_add = NULL,
111 	.get_index = NULL,
112 	.indexing = {
113 		.command = NULL,
114 		.lowindex = 0,
115 		.highindex = 0,
116 		.currindex = 0,
117 	},
118 	.attributes = {
119 		.attrs = synth_attrs,
120 		.name = "bns",
121 	},
122 };
123 
124 module_param_named(ser, synth_bns.ser, int, S_IRUGO);
125 module_param_named(start, synth_bns.startup, short, S_IRUGO);
126 
127 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
128 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
129 
bns_init(void)130 static int __init bns_init(void)
131 {
132 	return synth_add(&synth_bns);
133 }
134 
bns_exit(void)135 static void __exit bns_exit(void)
136 {
137 	synth_remove(&synth_bns);
138 }
139 
140 module_init(bns_init);
141 module_exit(bns_exit);
142 MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
143 MODULE_AUTHOR("David Borowski");
144 MODULE_DESCRIPTION("Speakup support for Braille 'n Speak synthesizers");
145 MODULE_LICENSE("GPL");
146 MODULE_VERSION(DRV_VERSION);
147 
148