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 "spk_priv.h"
26 #include "speakup.h"
27 #include "serialio.h"
28
29 #define DRV_VERSION "2.11"
30 #define SYNTH_CLEAR 0x18
31 #define PROCSPEECH '\r'
32
33 static void synth_flush(struct spk_synth *synth);
34
35 static struct var_t vars[] = {
36 { CAPS_START, .u.s = {"\x05P+" } },
37 { CAPS_STOP, .u.s = {"\x05P-" } },
38 { RATE, .u.n = {"\x05R%d", 7, 0, 9, 0, 0, NULL } },
39 { PITCH, .u.n = {"\x05P%d", 3, 0, 9, 0, 0, NULL } },
40 { VOL, .u.n = {"\x05V%d", 9, 0, 9, 0, 0, NULL } },
41 { TONE, .u.n = {"\x05T%c", 8, 0, 25, 65, 0, NULL } },
42 { PUNCT, .u.n = {"\x05M%c", 0, 0, 3, 0, 0, "nsma" } },
43 { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
44 V_LAST_VAR
45 };
46
47 /*
48 * These attributes will appear in /sys/accessibility/speakup/spkout.
49 */
50 static struct kobj_attribute caps_start_attribute =
51 __ATTR(caps_start, USER_RW, spk_var_show, spk_var_store);
52 static struct kobj_attribute caps_stop_attribute =
53 __ATTR(caps_stop, USER_RW, spk_var_show, spk_var_store);
54 static struct kobj_attribute pitch_attribute =
55 __ATTR(pitch, USER_RW, spk_var_show, spk_var_store);
56 static struct kobj_attribute punct_attribute =
57 __ATTR(punct, USER_RW, spk_var_show, spk_var_store);
58 static struct kobj_attribute rate_attribute =
59 __ATTR(rate, USER_RW, spk_var_show, spk_var_store);
60 static struct kobj_attribute tone_attribute =
61 __ATTR(tone, USER_RW, spk_var_show, spk_var_store);
62 static struct kobj_attribute vol_attribute =
63 __ATTR(vol, USER_RW, spk_var_show, spk_var_store);
64
65 static struct kobj_attribute delay_time_attribute =
66 __ATTR(delay_time, ROOT_W, spk_var_show, spk_var_store);
67 static struct kobj_attribute direct_attribute =
68 __ATTR(direct, USER_RW, spk_var_show, spk_var_store);
69 static struct kobj_attribute full_time_attribute =
70 __ATTR(full_time, ROOT_W, spk_var_show, spk_var_store);
71 static struct kobj_attribute jiffy_delta_attribute =
72 __ATTR(jiffy_delta, ROOT_W, spk_var_show, spk_var_store);
73 static struct kobj_attribute trigger_time_attribute =
74 __ATTR(trigger_time, ROOT_W, spk_var_show, spk_var_store);
75
76 /*
77 * Create a group of attributes so that we can create and destroy them all
78 * at once.
79 */
80 static struct attribute *synth_attrs[] = {
81 &caps_start_attribute.attr,
82 &caps_stop_attribute.attr,
83 &pitch_attribute.attr,
84 &punct_attribute.attr,
85 &rate_attribute.attr,
86 &tone_attribute.attr,
87 &vol_attribute.attr,
88 &delay_time_attribute.attr,
89 &direct_attribute.attr,
90 &full_time_attribute.attr,
91 &jiffy_delta_attribute.attr,
92 &trigger_time_attribute.attr,
93 NULL, /* need to NULL terminate the list of attributes */
94 };
95
96 static struct spk_synth synth_spkout = {
97 .name = "spkout",
98 .version = DRV_VERSION,
99 .long_name = "Speakout",
100 .init = "\005W1\005I2\005C3",
101 .procspeech = PROCSPEECH,
102 .clear = SYNTH_CLEAR,
103 .delay = 500,
104 .trigger = 50,
105 .jiffies = 50,
106 .full = 40000,
107 .startup = SYNTH_START,
108 .checkval = SYNTH_CHECK,
109 .vars = vars,
110 .probe = serial_synth_probe,
111 .release = spk_serial_release,
112 .synth_immediate = spk_synth_immediate,
113 .catch_up = spk_do_catch_up,
114 .flush = synth_flush,
115 .is_alive = spk_synth_is_alive_restart,
116 .synth_adjust = NULL,
117 .read_buff_add = NULL,
118 .get_index = spk_serial_in_nowait,
119 .indexing = {
120 .command = "\x05[%c",
121 .lowindex = 1,
122 .highindex = 5,
123 .currindex = 1,
124 },
125 .attributes = {
126 .attrs = synth_attrs,
127 .name = "spkout",
128 },
129 };
130
synth_flush(struct spk_synth * synth)131 static void synth_flush(struct spk_synth *synth)
132 {
133 int timeout = SPK_XMITR_TIMEOUT;
134 while (spk_serial_tx_busy()) {
135 if (!--timeout)
136 break;
137 udelay(1);
138 }
139 outb(SYNTH_CLEAR, speakup_info.port_tts);
140 }
141
142 module_param_named(ser, synth_spkout.ser, int, S_IRUGO);
143 module_param_named(start, synth_spkout.startup, short, S_IRUGO);
144
145 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
146 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
147
spkout_init(void)148 static int __init spkout_init(void)
149 {
150 return synth_add(&synth_spkout);
151 }
152
spkout_exit(void)153 static void __exit spkout_exit(void)
154 {
155 synth_remove(&synth_spkout);
156 }
157
158 module_init(spkout_init);
159 module_exit(spkout_exit);
160 MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
161 MODULE_AUTHOR("David Borowski");
162 MODULE_DESCRIPTION("Speakup support for Speak Out synthesizers");
163 MODULE_LICENSE("GPL");
164 MODULE_VERSION(DRV_VERSION);
165
166