1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | /* |
3 | * originally written by: Kirk Reiser <kirk@braille.uwo.ca> |
4 | * this version considerably modified by David Borowski, david575@rogers.com |
5 | * |
6 | * Copyright (C) 1998-99 Kirk Reiser. |
7 | * Copyright (C) 2003 David Borowski. |
8 | * |
9 | * specifically written as a driver for the speakup screenreview |
10 | * s not a general device driver. |
11 | */ |
12 | #include "speakup.h" |
13 | #include "spk_priv.h" |
14 | #include "speakup_dtlk.h" /* local header file for LiteTalk values */ |
15 | |
16 | #define DRV_VERSION "2.11" |
17 | #define PROCSPEECH 0x0d |
18 | |
19 | static int synth_probe(struct spk_synth *synth); |
20 | |
21 | |
22 | enum default_vars_id { |
23 | CAPS_START_ID = 0, CAPS_STOP_ID, |
24 | RATE_ID, PITCH_ID, |
25 | VOL_ID, TONE_ID, PUNCT_ID, |
26 | VOICE_ID, FREQUENCY_ID, |
27 | DIRECT_ID, V_LAST_VAR_ID, |
28 | NB_ID |
29 | }; |
30 | |
31 | |
32 | static struct var_t vars[NB_ID] = { |
33 | [CAPS_START_ID] = { CAPS_START, .u.s = {"\x01+35p" } }, |
34 | [CAPS_STOP_ID] = { .var_id: CAPS_STOP, .u.s = {"\x01-35p" } }, |
35 | [RATE_ID] = { .var_id: RATE, .u.n = {"\x01%ds" , 8, 0, 9, 0, 0, NULL } }, |
36 | [PITCH_ID] = { .var_id: PITCH, .u.n = {"\x01%dp" , 50, 0, 99, 0, 0, NULL } }, |
37 | [VOL_ID] = { .var_id: VOL, .u.n = {"\x01%dv" , 5, 0, 9, 0, 0, NULL } }, |
38 | [TONE_ID] = { .var_id: TONE, .u.n = {"\x01%dx" , 1, 0, 2, 0, 0, NULL } }, |
39 | [PUNCT_ID] = { .var_id: PUNCT, .u.n = {"\x01%db" , 7, 0, 15, 0, 0, NULL } }, |
40 | [VOICE_ID] = { .var_id: VOICE, .u.n = {"\x01%do" , 0, 0, 7, 0, 0, NULL } }, |
41 | [FREQUENCY_ID] = { .var_id: FREQUENCY, .u.n = {"\x01%df" , 5, 0, 9, 0, 0, NULL } }, |
42 | [DIRECT_ID] = { .var_id: DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } }, |
43 | V_LAST_VAR |
44 | }; |
45 | |
46 | /* |
47 | * These attributes will appear in /sys/accessibility/speakup/ltlk. |
48 | */ |
49 | static struct kobj_attribute caps_start_attribute = |
50 | __ATTR(caps_start, 0644, spk_var_show, spk_var_store); |
51 | static struct kobj_attribute caps_stop_attribute = |
52 | __ATTR(caps_stop, 0644, spk_var_show, spk_var_store); |
53 | static struct kobj_attribute freq_attribute = |
54 | __ATTR(freq, 0644, spk_var_show, spk_var_store); |
55 | static struct kobj_attribute pitch_attribute = |
56 | __ATTR(pitch, 0644, spk_var_show, spk_var_store); |
57 | static struct kobj_attribute punct_attribute = |
58 | __ATTR(punct, 0644, spk_var_show, spk_var_store); |
59 | static struct kobj_attribute rate_attribute = |
60 | __ATTR(rate, 0644, spk_var_show, spk_var_store); |
61 | static struct kobj_attribute tone_attribute = |
62 | __ATTR(tone, 0644, spk_var_show, spk_var_store); |
63 | static struct kobj_attribute voice_attribute = |
64 | __ATTR(voice, 0644, spk_var_show, spk_var_store); |
65 | static struct kobj_attribute vol_attribute = |
66 | __ATTR(vol, 0644, spk_var_show, spk_var_store); |
67 | |
68 | static struct kobj_attribute delay_time_attribute = |
69 | __ATTR(delay_time, 0644, spk_var_show, spk_var_store); |
70 | static struct kobj_attribute direct_attribute = |
71 | __ATTR(direct, 0644, spk_var_show, spk_var_store); |
72 | static struct kobj_attribute full_time_attribute = |
73 | __ATTR(full_time, 0644, spk_var_show, spk_var_store); |
74 | static struct kobj_attribute jiffy_delta_attribute = |
75 | __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store); |
76 | static struct kobj_attribute trigger_time_attribute = |
77 | __ATTR(trigger_time, 0644, spk_var_show, spk_var_store); |
78 | |
79 | /* |
80 | * Create a group of attributes so that we can create and destroy them all |
81 | * at once. |
82 | */ |
83 | static struct attribute *synth_attrs[] = { |
84 | &caps_start_attribute.attr, |
85 | &caps_stop_attribute.attr, |
86 | &freq_attribute.attr, |
87 | &pitch_attribute.attr, |
88 | &punct_attribute.attr, |
89 | &rate_attribute.attr, |
90 | &tone_attribute.attr, |
91 | &voice_attribute.attr, |
92 | &vol_attribute.attr, |
93 | &delay_time_attribute.attr, |
94 | &direct_attribute.attr, |
95 | &full_time_attribute.attr, |
96 | &jiffy_delta_attribute.attr, |
97 | &trigger_time_attribute.attr, |
98 | NULL, /* need to NULL terminate the list of attributes */ |
99 | }; |
100 | |
101 | static struct spk_synth synth_ltlk = { |
102 | .name = "ltlk" , |
103 | .version = DRV_VERSION, |
104 | .long_name = "LiteTalk" , |
105 | .init = "\01@\x01\x31y\n\0" , |
106 | .procspeech = PROCSPEECH, |
107 | .clear = SYNTH_CLEAR, |
108 | .delay = 500, |
109 | .trigger = 50, |
110 | .jiffies = 50, |
111 | .full = 40000, |
112 | .dev_name = SYNTH_DEFAULT_DEV, |
113 | .startup = SYNTH_START, |
114 | .checkval = SYNTH_CHECK, |
115 | .vars = vars, |
116 | .io_ops = &spk_ttyio_ops, |
117 | .probe = synth_probe, |
118 | .release = spk_ttyio_release, |
119 | .synth_immediate = spk_ttyio_synth_immediate, |
120 | .catch_up = spk_do_catch_up, |
121 | .flush = spk_synth_flush, |
122 | .is_alive = spk_synth_is_alive_restart, |
123 | .synth_adjust = NULL, |
124 | .read_buff_add = NULL, |
125 | .get_index = spk_synth_get_index, |
126 | .indexing = { |
127 | .command = "\x01%di" , |
128 | .lowindex = 1, |
129 | .highindex = 5, |
130 | .currindex = 1, |
131 | }, |
132 | .attributes = { |
133 | .attrs = synth_attrs, |
134 | .name = "ltlk" , |
135 | }, |
136 | }; |
137 | |
138 | /* interrogate the LiteTalk and print its settings */ |
139 | static void synth_interrogate(struct spk_synth *synth) |
140 | { |
141 | unsigned char *t, i; |
142 | unsigned char buf[50], rom_v[20]; |
143 | |
144 | synth->synth_immediate(synth, "\x18\x01?" ); |
145 | for (i = 0; i < 50; i++) { |
146 | buf[i] = synth->io_ops->synth_in(synth); |
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 | |
160 | static int synth_probe(struct spk_synth *synth) |
161 | { |
162 | int failed = 0; |
163 | |
164 | failed = spk_ttyio_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, 0444); |
172 | module_param_named(dev, synth_ltlk.dev_name, charp, 0444); |
173 | module_param_named(start, synth_ltlk.startup, short, 0444); |
174 | module_param_named(rate, vars[RATE_ID].u.n.default_val, int, 0444); |
175 | module_param_named(pitch, vars[PITCH_ID].u.n.default_val, int, 0444); |
176 | module_param_named(vol, vars[VOL_ID].u.n.default_val, int, 0444); |
177 | module_param_named(tone, vars[TONE_ID].u.n.default_val, int, 0444); |
178 | module_param_named(punct, vars[PUNCT_ID].u.n.default_val, int, 0444); |
179 | module_param_named(voice, vars[VOICE_ID].u.n.default_val, int, 0444); |
180 | module_param_named(frequency, vars[FREQUENCY_ID].u.n.default_val, int, 0444); |
181 | module_param_named(direct, vars[DIRECT_ID].u.n.default_val, int, 0444); |
182 | |
183 | |
184 | |
185 | |
186 | MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based)." ); |
187 | MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer." ); |
188 | MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded." ); |
189 | MODULE_PARM_DESC(rate, "Set the rate variable on load." ); |
190 | MODULE_PARM_DESC(pitch, "Set the pitch variable on load." ); |
191 | MODULE_PARM_DESC(vol, "Set the vol variable on load." ); |
192 | MODULE_PARM_DESC(tone, "Set the tone variable on load." ); |
193 | MODULE_PARM_DESC(punct, "Set the punct variable on load." ); |
194 | MODULE_PARM_DESC(voice, "Set the voice variable on load." ); |
195 | MODULE_PARM_DESC(frequency, "Set the frequency variable on load." ); |
196 | MODULE_PARM_DESC(direct, "Set the direct variable on load." ); |
197 | |
198 | |
199 | module_spk_synth(synth_ltlk); |
200 | |
201 | MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>" ); |
202 | MODULE_AUTHOR("David Borowski" ); |
203 | MODULE_DESCRIPTION("Speakup support for DoubleTalk LT/LiteTalk synthesizers" ); |
204 | MODULE_LICENSE("GPL" ); |
205 | MODULE_VERSION(DRV_VERSION); |
206 | |
207 | |