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 /* flush synth buffer */
26 #define PROCSPEECH '\r' /* start synth processing speech char */
27
28 static int synth_probe(struct spk_synth *synth);
29 static void synth_flush(struct spk_synth *synth);
30
31 static struct var_t vars[] = {
32 { CAPS_START, .u.s = {"\x05[f99]" } },
33 { CAPS_STOP, .u.s = {"\x05[f80]" } },
34 { RATE, .u.n = {"\x05[r%d]", 10, 0, 20, 100, -10, NULL } },
35 { PITCH, .u.n = {"\x05[f%d]", 80, 39, 4500, 0, 0, NULL } },
36 { VOL, .u.n = {"\x05[g%d]", 21, 0, 40, 0, 0, NULL } },
37 { TONE, .u.n = {"\x05[s%d]", 9, 0, 63, 0, 0, NULL } },
38 { PUNCT, .u.n = {"\x05[A%c]", 0, 0, 3, 0, 0, "nmsa" } },
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/audptr.
45 */
46 static struct kobj_attribute caps_start_attribute =
47 __ATTR(caps_start, 0644, spk_var_show, spk_var_store);
48 static struct kobj_attribute caps_stop_attribute =
49 __ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
50 static struct kobj_attribute pitch_attribute =
51 __ATTR(pitch, 0644, spk_var_show, spk_var_store);
52 static struct kobj_attribute punct_attribute =
53 __ATTR(punct, 0644, spk_var_show, spk_var_store);
54 static struct kobj_attribute rate_attribute =
55 __ATTR(rate, 0644, spk_var_show, spk_var_store);
56 static struct kobj_attribute tone_attribute =
57 __ATTR(tone, 0644, spk_var_show, spk_var_store);
58 static struct kobj_attribute vol_attribute =
59 __ATTR(vol, 0644, spk_var_show, spk_var_store);
60
61 static struct kobj_attribute delay_time_attribute =
62 __ATTR(delay_time, 0644, spk_var_show, spk_var_store);
63 static struct kobj_attribute direct_attribute =
64 __ATTR(direct, 0644, spk_var_show, spk_var_store);
65 static struct kobj_attribute full_time_attribute =
66 __ATTR(full_time, 0644, spk_var_show, spk_var_store);
67 static struct kobj_attribute jiffy_delta_attribute =
68 __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
69 static struct kobj_attribute trigger_time_attribute =
70 __ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
71
72 /*
73 * Create a group of attributes so that we can create and destroy them all
74 * at once.
75 */
76 static struct attribute *synth_attrs[] = {
77 &caps_start_attribute.attr,
78 &caps_stop_attribute.attr,
79 &pitch_attribute.attr,
80 &punct_attribute.attr,
81 &rate_attribute.attr,
82 &tone_attribute.attr,
83 &vol_attribute.attr,
84 &delay_time_attribute.attr,
85 &direct_attribute.attr,
86 &full_time_attribute.attr,
87 &jiffy_delta_attribute.attr,
88 &trigger_time_attribute.attr,
89 NULL, /* need to NULL terminate the list of attributes */
90 };
91
92 static struct spk_synth synth_audptr = {
93 .name = "audptr",
94 .version = DRV_VERSION,
95 .long_name = "Audapter",
96 .init = "\x05[D1]\x05[Ol]",
97 .procspeech = PROCSPEECH,
98 .clear = SYNTH_CLEAR,
99 .delay = 400,
100 .trigger = 50,
101 .jiffies = 30,
102 .full = 18000,
103 .dev_name = SYNTH_DEFAULT_DEV,
104 .startup = SYNTH_START,
105 .checkval = SYNTH_CHECK,
106 .vars = vars,
107 .io_ops = &spk_ttyio_ops,
108 .probe = synth_probe,
109 .release = spk_ttyio_release,
110 .synth_immediate = spk_ttyio_synth_immediate,
111 .catch_up = spk_do_catch_up,
112 .flush = synth_flush,
113 .is_alive = spk_synth_is_alive_restart,
114 .synth_adjust = NULL,
115 .read_buff_add = NULL,
116 .get_index = NULL,
117 .indexing = {
118 .command = NULL,
119 .lowindex = 0,
120 .highindex = 0,
121 .currindex = 0,
122 },
123 .attributes = {
124 .attrs = synth_attrs,
125 .name = "audptr",
126 },
127 };
128
synth_flush(struct spk_synth * synth)129 static void synth_flush(struct spk_synth *synth)
130 {
131 synth->io_ops->flush_buffer();
132 synth->io_ops->send_xchar(SYNTH_CLEAR);
133 synth->io_ops->synth_out(synth, PROCSPEECH);
134 }
135
synth_version(struct spk_synth * synth)136 static void synth_version(struct spk_synth *synth)
137 {
138 unsigned char test = 0;
139 char synth_id[40] = "";
140
141 synth->synth_immediate(synth, "\x05[Q]");
142 synth_id[test] = synth->io_ops->synth_in();
143 if (synth_id[test] == 'A') {
144 do {
145 /* read version string from synth */
146 synth_id[++test] = synth->io_ops->synth_in();
147 } while (synth_id[test] != '\n' && test < 32);
148 synth_id[++test] = 0x00;
149 }
150 if (synth_id[0] == 'A')
151 pr_info("%s version: %s", synth->long_name, synth_id);
152 }
153
synth_probe(struct spk_synth * synth)154 static int synth_probe(struct spk_synth *synth)
155 {
156 int failed;
157
158 failed = spk_ttyio_synth_probe(synth);
159 if (failed == 0)
160 synth_version(synth);
161 synth->alive = !failed;
162 return 0;
163 }
164
165 module_param_named(ser, synth_audptr.ser, int, 0444);
166 module_param_named(dev, synth_audptr.dev_name, charp, S_IRUGO);
167 module_param_named(start, synth_audptr.startup, short, 0444);
168
169 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
170 MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
171 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
172
173 module_spk_synth(synth_audptr);
174
175 MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
176 MODULE_AUTHOR("David Borowski");
177 MODULE_DESCRIPTION("Speakup support for Audapter synthesizer");
178 MODULE_LICENSE("GPL");
179 MODULE_VERSION(DRV_VERSION);
180
181