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speakup_txprt.c
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1 /*
2  * originally written by: Kirk Reiser <[email protected]>
3 * this version considerably modified by David Borowski, [email protected]
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 
28 #define DRV_VERSION "2.11"
29 #define SYNTH_CLEAR 0x18
30 #define PROCSPEECH '\r' /* process speech char */
31 
32 static struct var_t vars[] = {
33  { CAPS_START, .u.s = {"\x05P8" } },
34  { CAPS_STOP, .u.s = {"\x05P5" } },
35  { RATE, .u.n = {"\x05R%d", 5, 0, 9, 0, 0, NULL } },
36  { PITCH, .u.n = {"\x05P%d", 5, 0, 9, 0, 0, NULL } },
37  { VOL, .u.n = {"\x05V%d", 5, 0, 9, 0, 0, NULL } },
38  { TONE, .u.n = {"\x05T%c", 12, 0, 25, 61, 0, NULL } },
39  { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
41  };
42 
43 /*
44  * These attributes will appear in /sys/accessibility/speakup/txprt.
45  */
46 static struct kobj_attribute caps_start_attribute =
48 static struct kobj_attribute caps_stop_attribute =
50 static struct kobj_attribute pitch_attribute =
52 static struct kobj_attribute rate_attribute =
54 static struct kobj_attribute tone_attribute =
56 static struct kobj_attribute vol_attribute =
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 =
63 static struct kobj_attribute full_time_attribute =
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_txprt = {
90  .name = "txprt",
91  .version = DRV_VERSION,
92  .long_name = "Transport",
93  .init = "\x05N1",
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 = "txprt",
121  },
122 };
123 
124 module_param_named(ser, synth_txprt.ser, int, S_IRUGO);
125 module_param_named(start, synth_txprt.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 
130 static int __init txprt_init(void)
131 {
132  return synth_add(&synth_txprt);
133 }
134 
135 static void __exit txprt_exit(void)
136 {
137  synth_remove(&synth_txprt);
138 }
139 
140 module_init(txprt_init);
141 module_exit(txprt_exit);
142 MODULE_AUTHOR("Kirk Reiser <[email protected]>");
143 MODULE_AUTHOR("David Borowski");
144 MODULE_DESCRIPTION("Speakup support for Transport synthesizers");
145 MODULE_LICENSE("GPL");
147