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 * specificly written as a driver for the speakup screenreview
23 * s not a general device driver.
24 */
25 #include "speakup.h"
26 #include "spk_priv.h"
27 #include "serialio.h"
28 #include "speakup_dtlk.h" /* local header file for LiteTalk values */
29
30 #define DRV_VERSION "2.11"
31 #define PROCSPEECH 0x0d
32
33 static int synth_probe(struct spk_synth *synth);
34
35 static struct var_t vars[] = {
36 { CAPS_START, .u.s = {"\x01+35p" } },
37 { CAPS_STOP, .u.s = {"\x01-35p" } },
38 { RATE, .u.n = {"\x01%ds", 8, 0, 9, 0, 0, NULL } },
39 { PITCH, .u.n = {"\x01%dp", 50, 0, 99, 0, 0, NULL } },
40 { VOL, .u.n = {"\x01%dv", 5, 0, 9, 0, 0, NULL } },
41 { TONE, .u.n = {"\x01%dx", 1, 0, 2, 0, 0, NULL } },
42 { PUNCT, .u.n = {"\x01%db", 7, 0, 15, 0, 0, NULL } },
43 { VOICE, .u.n = {"\x01%do", 0, 0, 7, 0, 0, NULL } },
44 { FREQUENCY, .u.n = {"\x01%df", 5, 0, 9, 0, 0, NULL } },
45 { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
46 V_LAST_VAR
47 };
48
49 /*
50 * These attributes will appear in /sys/accessibility/speakup/ltlk.
51 */
52 static struct kobj_attribute caps_start_attribute =
53 __ATTR(caps_start, USER_RW, spk_var_show, spk_var_store);
54 static struct kobj_attribute caps_stop_attribute =
55 __ATTR(caps_stop, USER_RW, spk_var_show, spk_var_store);
56 static struct kobj_attribute freq_attribute =
57 __ATTR(freq, USER_RW, spk_var_show, spk_var_store);
58 static struct kobj_attribute pitch_attribute =
59 __ATTR(pitch, USER_RW, spk_var_show, spk_var_store);
60 static struct kobj_attribute punct_attribute =
61 __ATTR(punct, USER_RW, spk_var_show, spk_var_store);
62 static struct kobj_attribute rate_attribute =
63 __ATTR(rate, USER_RW, spk_var_show, spk_var_store);
64 static struct kobj_attribute tone_attribute =
65 __ATTR(tone, USER_RW, spk_var_show, spk_var_store);
66 static struct kobj_attribute voice_attribute =
67 __ATTR(voice, USER_RW, spk_var_show, spk_var_store);
68 static struct kobj_attribute vol_attribute =
69 __ATTR(vol, USER_RW, spk_var_show, spk_var_store);
70
71 static struct kobj_attribute delay_time_attribute =
72 __ATTR(delay_time, ROOT_W, spk_var_show, spk_var_store);
73 static struct kobj_attribute direct_attribute =
74 __ATTR(direct, USER_RW, spk_var_show, spk_var_store);
75 static struct kobj_attribute full_time_attribute =
76 __ATTR(full_time, ROOT_W, spk_var_show, spk_var_store);
77 static struct kobj_attribute jiffy_delta_attribute =
78 __ATTR(jiffy_delta, ROOT_W, spk_var_show, spk_var_store);
79 static struct kobj_attribute trigger_time_attribute =
80 __ATTR(trigger_time, ROOT_W, spk_var_show, spk_var_store);
81
82 /*
83 * Create a group of attributes so that we can create and destroy them all
84 * at once.
85 */
86 static struct attribute *synth_attrs[] = {
87 &caps_start_attribute.attr,
88 &caps_stop_attribute.attr,
89 &freq_attribute.attr,
90 &pitch_attribute.attr,
91 &punct_attribute.attr,
92 &rate_attribute.attr,
93 &tone_attribute.attr,
94 &voice_attribute.attr,
95 &vol_attribute.attr,
96 &delay_time_attribute.attr,
97 &direct_attribute.attr,
98 &full_time_attribute.attr,
99 &jiffy_delta_attribute.attr,
100 &trigger_time_attribute.attr,
101 NULL, /* need to NULL terminate the list of attributes */
102 };
103
104 static struct spk_synth synth_ltlk = {
105 .name = "ltlk",
106 .version = DRV_VERSION,
107 .long_name = "LiteTalk",
108 .init = "\01@\x01\x31y\n\0",
109 .procspeech = PROCSPEECH,
110 .clear = SYNTH_CLEAR,
111 .delay = 500,
112 .trigger = 50,
113 .jiffies = 50,
114 .full = 40000,
115 .startup = SYNTH_START,
116 .checkval = SYNTH_CHECK,
117 .vars = vars,
118 .probe = synth_probe,
119 .release = spk_serial_release,
120 .synth_immediate = spk_synth_immediate,
121 .catch_up = spk_do_catch_up,
122 .flush = spk_synth_flush,
123 .is_alive = spk_synth_is_alive_restart,
124 .synth_adjust = NULL,
125 .read_buff_add = NULL,
126 .get_index = spk_serial_in_nowait,
127 .indexing = {
128 .command = "\x01%di",
129 .lowindex = 1,
130 .highindex = 5,
131 .currindex = 1,
132 },
133 .attributes = {
134 .attrs = synth_attrs,
135 .name = "ltlk",
136 },
137 };
138
139 /* interrogate the LiteTalk and print its settings */
synth_interrogate(struct spk_synth * synth)140 static void synth_interrogate(struct spk_synth *synth)
141 {
142 unsigned char *t, i;
143 unsigned char buf[50], rom_v[20];
144 spk_synth_immediate(synth, "\x18\x01?");
145 for (i = 0; i < 50; i++) {
146 buf[i] = spk_serial_in();
147 if (i > 2 && buf[i] == 0x7f)
148 break;
149 }
150 t = buf+2;
151 for (i = 0; *t != '\r'; t++) {
152 rom_v[i] = *t;
153 if (++i >= 19)
154 break;
155 }
156 rom_v[i] = 0;
157 pr_info("%s: ROM version: %s\n", synth->long_name, rom_v);
158 }
159
synth_probe(struct spk_synth * synth)160 static int synth_probe(struct spk_synth *synth)
161 {
162 int failed = 0;
163
164 failed = serial_synth_probe(synth);
165 if (failed == 0)
166 synth_interrogate(synth);
167 synth->alive = !failed;
168 return failed;
169 }
170
171 module_param_named(ser, synth_ltlk.ser, int, S_IRUGO);
172 module_param_named(start, synth_ltlk.startup, short, S_IRUGO);
173
174 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
175 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
176
ltlk_init(void)177 static int __init ltlk_init(void)
178 {
179 return synth_add(&synth_ltlk);
180 }
181
ltlk_exit(void)182 static void __exit ltlk_exit(void)
183 {
184 synth_remove(&synth_ltlk);
185 }
186
187 module_init(ltlk_init);
188 module_exit(ltlk_exit);
189 MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
190 MODULE_AUTHOR("David Borowski");
191 MODULE_DESCRIPTION("Speakup support for DoubleTalk LT/LiteTalk synthesizers");
192 MODULE_LICENSE("GPL");
193 MODULE_VERSION(DRV_VERSION);
194
195