diff options
Diffstat (limited to 'drivers/staging/speakup/speakup_ltlk.c')
-rw-r--r-- | drivers/staging/speakup/speakup_ltlk.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/drivers/staging/speakup/speakup_ltlk.c b/drivers/staging/speakup/speakup_ltlk.c new file mode 100644 index 00000000000..d8569591c5a --- /dev/null +++ b/drivers/staging/speakup/speakup_ltlk.c | |||
@@ -0,0 +1,195 @@ | |||
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 synth_full( ) ( !( inb( synth_port_tts + UART_MSR ) & UART_MSR_CTS ) ) | ||
32 | #define PROCSPEECH 0x0d | ||
33 | |||
34 | static int synth_probe(struct spk_synth *synth); | ||
35 | |||
36 | static struct var_t vars[] = { | ||
37 | { CAPS_START, .u.s = {"\x01+35p" }}, | ||
38 | { CAPS_STOP, .u.s = {"\x01-35p" }}, | ||
39 | { RATE, .u.n = {"\x01%ds", 8, 0, 9, 0, 0, NULL }}, | ||
40 | { PITCH, .u.n = {"\x01%dp", 50, 0, 99, 0, 0, NULL }}, | ||
41 | { VOL, .u.n = {"\x01%dv", 5, 0, 9, 0, 0, NULL }}, | ||
42 | { TONE, .u.n = {"\x01%dx", 1, 0, 2, 0, 0, NULL }}, | ||
43 | { PUNCT, .u.n = {"\x01%db", 7, 0, 15, 0, 0, NULL }}, | ||
44 | { VOICE, .u.n = {"\x01%do", 0, 0, 7, 0, 0, NULL }}, | ||
45 | { FREQUENCY, .u.n = {"\x01%df", 5, 0, 9, 0, 0, NULL }}, | ||
46 | { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL }}, | ||
47 | V_LAST_VAR | ||
48 | }; | ||
49 | |||
50 | /* | ||
51 | * These attributes will appear in /sys/accessibility/speakup/ltlk. | ||
52 | */ | ||
53 | static struct kobj_attribute caps_start_attribute = | ||
54 | __ATTR(caps_start, USER_RW, spk_var_show, spk_var_store); | ||
55 | static struct kobj_attribute caps_stop_attribute = | ||
56 | __ATTR(caps_stop, USER_RW, spk_var_show, spk_var_store); | ||
57 | static struct kobj_attribute freq_attribute = | ||
58 | __ATTR(freq, USER_RW, spk_var_show, spk_var_store); | ||
59 | static struct kobj_attribute pitch_attribute = | ||
60 | __ATTR(pitch, USER_RW, spk_var_show, spk_var_store); | ||
61 | static struct kobj_attribute punct_attribute = | ||
62 | __ATTR(punct, USER_RW, spk_var_show, spk_var_store); | ||
63 | static struct kobj_attribute rate_attribute = | ||
64 | __ATTR(rate, USER_RW, spk_var_show, spk_var_store); | ||
65 | static struct kobj_attribute tone_attribute = | ||
66 | __ATTR(tone, USER_RW, spk_var_show, spk_var_store); | ||
67 | static struct kobj_attribute voice_attribute = | ||
68 | __ATTR(voice, USER_RW, spk_var_show, spk_var_store); | ||
69 | static struct kobj_attribute vol_attribute = | ||
70 | __ATTR(vol, USER_RW, spk_var_show, spk_var_store); | ||
71 | |||
72 | static struct kobj_attribute delay_time_attribute = | ||
73 | __ATTR(delay_time, ROOT_W, spk_var_show, spk_var_store); | ||
74 | static struct kobj_attribute direct_attribute = | ||
75 | __ATTR(direct, USER_RW, spk_var_show, spk_var_store); | ||
76 | static struct kobj_attribute full_time_attribute = | ||
77 | __ATTR(full_time, ROOT_W, spk_var_show, spk_var_store); | ||
78 | static struct kobj_attribute jiffy_delta_attribute = | ||
79 | __ATTR(jiffy_delta, ROOT_W, spk_var_show, spk_var_store); | ||
80 | static struct kobj_attribute trigger_time_attribute = | ||
81 | __ATTR(trigger_time, ROOT_W, spk_var_show, spk_var_store); | ||
82 | |||
83 | /* | ||
84 | * Create a group of attributes so that we can create and destroy them all | ||
85 | * at once. | ||
86 | */ | ||
87 | static struct attribute *synth_attrs[] = { | ||
88 | &caps_start_attribute.attr, | ||
89 | &caps_stop_attribute.attr, | ||
90 | &freq_attribute.attr, | ||
91 | &pitch_attribute.attr, | ||
92 | &punct_attribute.attr, | ||
93 | &rate_attribute.attr, | ||
94 | &tone_attribute.attr, | ||
95 | &voice_attribute.attr, | ||
96 | &vol_attribute.attr, | ||
97 | &delay_time_attribute.attr, | ||
98 | &direct_attribute.attr, | ||
99 | &full_time_attribute.attr, | ||
100 | &jiffy_delta_attribute.attr, | ||
101 | &trigger_time_attribute.attr, | ||
102 | NULL, /* need to NULL terminate the list of attributes */ | ||
103 | }; | ||
104 | |||
105 | static struct spk_synth synth_ltlk = { | ||
106 | .name = "ltlk", | ||
107 | .version = DRV_VERSION, | ||
108 | .long_name = "LiteTalk", | ||
109 | .init = "\01@\x01\x31y\n\0", | ||
110 | .procspeech = PROCSPEECH, | ||
111 | .clear = SYNTH_CLEAR, | ||
112 | .delay = 500, | ||
113 | .trigger = 50, | ||
114 | .jiffies = 50, | ||
115 | .full = 40000, | ||
116 | .startup = SYNTH_START, | ||
117 | .checkval = SYNTH_CHECK, | ||
118 | .vars = vars, | ||
119 | .probe = synth_probe, | ||
120 | .release = spk_serial_release, | ||
121 | .synth_immediate = spk_synth_immediate, | ||
122 | .catch_up = spk_do_catch_up, | ||
123 | .flush = spk_synth_flush, | ||
124 | .is_alive = spk_synth_is_alive_restart, | ||
125 | .synth_adjust = NULL, | ||
126 | .read_buff_add = NULL, | ||
127 | .get_index = spk_serial_in_nowait, | ||
128 | .indexing = { | ||
129 | .command = "\x01%di", | ||
130 | .lowindex = 1, | ||
131 | .highindex = 5, | ||
132 | .currindex = 1, | ||
133 | }, | ||
134 | .attributes = { | ||
135 | .attrs = synth_attrs, | ||
136 | .name = "ltlk", | ||
137 | }, | ||
138 | }; | ||
139 | |||
140 | /* interrogate the LiteTalk and print its settings */ | ||
141 | static void synth_interrogate(struct spk_synth *synth) | ||
142 | { | ||
143 | unsigned char *t, i; | ||
144 | unsigned char buf[50], rom_v[20]; | ||
145 | spk_synth_immediate(synth, "\x18\x01?"); | ||
146 | for (i = 0; i < 50; i++) { | ||
147 | buf[i] = spk_serial_in(); | ||
148 | if (i > 2 && buf[i] == 0x7f) | ||
149 | break; | ||
150 | } | ||
151 | t = buf+2; | ||
152 | for (i = 0; *t != '\r'; t++) { | ||
153 | rom_v[i] = *t; | ||
154 | if (++i >= 19) | ||
155 | break; | ||
156 | } | ||
157 | rom_v[i] = 0; | ||
158 | pr_info("%s: ROM version: %s\n", synth->long_name, rom_v); | ||
159 | } | ||
160 | |||
161 | static int synth_probe(struct spk_synth *synth) | ||
162 | { | ||
163 | int failed = 0; | ||
164 | |||
165 | failed = serial_synth_probe(synth); | ||
166 | if (failed == 0) | ||
167 | synth_interrogate(synth); | ||
168 | synth->alive = !failed; | ||
169 | return failed; | ||
170 | } | ||
171 | |||
172 | module_param_named(ser, synth_ltlk.ser, int, S_IRUGO); | ||
173 | module_param_named(start, synth_ltlk.startup, short, S_IRUGO); | ||
174 | |||
175 | MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based)."); | ||
176 | MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded."); | ||
177 | |||
178 | static int __init ltlk_init(void) | ||
179 | { | ||
180 | return synth_add(&synth_ltlk); | ||
181 | } | ||
182 | |||
183 | static void __exit ltlk_exit(void) | ||
184 | { | ||
185 | synth_remove(&synth_ltlk); | ||
186 | } | ||
187 | |||
188 | module_init(ltlk_init); | ||
189 | module_exit(ltlk_exit); | ||
190 | MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>"); | ||
191 | MODULE_AUTHOR("David Borowski"); | ||
192 | MODULE_DESCRIPTION("Speakup support for DoubleTalk LT/LiteTalk synthesizers"); | ||
193 | MODULE_LICENSE("GPL"); | ||
194 | MODULE_VERSION(DRV_VERSION); | ||
195 | |||