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c6e3fd22 WH |
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 | * this code is specificly written as a driver for the speakup screenreview | |
23 | * package and is not a general device driver. | |
24 | */ | |
25 | #include <linux/jiffies.h> | |
26 | #include <linux/sched.h> | |
27 | #include <linux/timer.h> | |
28 | #include <linux/kthread.h> | |
29 | ||
30 | #include "spk_priv.h" | |
31 | #include "serialio.h" | |
32 | #include "speakup.h" | |
33 | ||
34 | #define DRV_VERSION "2.21" | |
35 | #define SYNTH_CLEAR 0x18 | |
36 | #define PROCSPEECH '\r' | |
37 | ||
38 | static void do_catch_up(struct spk_synth *synth); | |
39 | ||
40 | static struct var_t vars[] = { | |
f4931441 CB |
41 | { CAPS_START, .u.s = {"cap, " } }, |
42 | { CAPS_STOP, .u.s = {"" } }, | |
43 | { RATE, .u.n = {"@W%d", 6, 1, 9, 0, 0, NULL } }, | |
44 | { PITCH, .u.n = {"@F%x", 10, 0, 15, 0, 0, NULL } }, | |
45 | { VOL, .u.n = {"@A%x", 10, 0, 15, 0, 0, NULL } }, | |
46 | { VOICE, .u.n = {"@V%d", 1, 1, 6, 0, 0, NULL } }, | |
47 | { LANG, .u.n = {"@=%d,", 1, 1, 4, 0, 0, NULL } }, | |
48 | { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } }, | |
c6e3fd22 WH |
49 | V_LAST_VAR |
50 | }; | |
51 | ||
52 | /* | |
53 | * These attributes will appear in /sys/accessibility/speakup/apollo. | |
54 | */ | |
55 | static struct kobj_attribute caps_start_attribute = | |
56 | __ATTR(caps_start, USER_RW, spk_var_show, spk_var_store); | |
57 | static struct kobj_attribute caps_stop_attribute = | |
58 | __ATTR(caps_stop, USER_RW, spk_var_show, spk_var_store); | |
59 | static struct kobj_attribute lang_attribute = | |
60 | __ATTR(lang, USER_RW, spk_var_show, spk_var_store); | |
61 | static struct kobj_attribute pitch_attribute = | |
62 | __ATTR(pitch, 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 voice_attribute = | |
66 | __ATTR(voice, USER_RW, spk_var_show, spk_var_store); | |
67 | static struct kobj_attribute vol_attribute = | |
68 | __ATTR(vol, USER_RW, spk_var_show, spk_var_store); | |
69 | ||
70 | static struct kobj_attribute delay_time_attribute = | |
71 | __ATTR(delay_time, ROOT_W, spk_var_show, spk_var_store); | |
72 | static struct kobj_attribute direct_attribute = | |
73 | __ATTR(direct, USER_RW, spk_var_show, spk_var_store); | |
74 | static struct kobj_attribute full_time_attribute = | |
75 | __ATTR(full_time, ROOT_W, spk_var_show, spk_var_store); | |
76 | static struct kobj_attribute jiffy_delta_attribute = | |
77 | __ATTR(jiffy_delta, ROOT_W, spk_var_show, spk_var_store); | |
78 | static struct kobj_attribute trigger_time_attribute = | |
79 | __ATTR(trigger_time, ROOT_W, spk_var_show, spk_var_store); | |
80 | ||
81 | /* | |
82 | * Create a group of attributes so that we can create and destroy them all | |
83 | * at once. | |
84 | */ | |
85 | static struct attribute *synth_attrs[] = { | |
86 | &caps_start_attribute.attr, | |
87 | &caps_stop_attribute.attr, | |
88 | &lang_attribute.attr, | |
89 | &pitch_attribute.attr, | |
90 | &rate_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_apollo = { | |
102 | .name = "apollo", | |
103 | .version = DRV_VERSION, | |
104 | .long_name = "Apollo", | |
105 | .init = "@R3@D0@K1\r", | |
106 | .procspeech = PROCSPEECH, | |
107 | .clear = SYNTH_CLEAR, | |
108 | .delay = 500, | |
109 | .trigger = 50, | |
110 | .jiffies = 50, | |
111 | .full = 40000, | |
112 | .startup = SYNTH_START, | |
113 | .checkval = SYNTH_CHECK, | |
114 | .vars = vars, | |
ca2beaf8 | 115 | .probe = spk_serial_synth_probe, |
c6e3fd22 WH |
116 | .release = spk_serial_release, |
117 | .synth_immediate = spk_synth_immediate, | |
118 | .catch_up = do_catch_up, | |
119 | .flush = spk_synth_flush, | |
120 | .is_alive = spk_synth_is_alive_restart, | |
121 | .synth_adjust = NULL, | |
122 | .read_buff_add = NULL, | |
123 | .get_index = NULL, | |
124 | .indexing = { | |
125 | .command = NULL, | |
126 | .lowindex = 0, | |
127 | .highindex = 0, | |
128 | .currindex = 0, | |
129 | }, | |
130 | .attributes = { | |
131 | .attrs = synth_attrs, | |
132 | .name = "apollo", | |
133 | }, | |
134 | }; | |
135 | ||
136 | static void do_catch_up(struct spk_synth *synth) | |
137 | { | |
138 | u_char ch; | |
139 | unsigned long flags; | |
140 | unsigned long jiff_max; | |
141 | struct var_t *jiffy_delta; | |
142 | struct var_t *delay_time; | |
143 | struct var_t *full_time; | |
144 | int full_time_val = 0; | |
145 | int delay_time_val = 0; | |
146 | int jiffy_delta_val = 0; | |
147 | ||
ca2beaf8 ST |
148 | jiffy_delta = spk_get_var(JIFFY); |
149 | delay_time = spk_get_var(DELAY); | |
150 | full_time = spk_get_var(FULL); | |
c6e3fd22 WH |
151 | spk_lock(flags); |
152 | jiffy_delta_val = jiffy_delta->u.n.value; | |
153 | spk_unlock(flags); | |
154 | jiff_max = jiffies + jiffy_delta_val; | |
155 | ||
156 | while (!kthread_should_stop()) { | |
157 | spk_lock(flags); | |
158 | jiffy_delta_val = jiffy_delta->u.n.value; | |
159 | full_time_val = full_time->u.n.value; | |
160 | delay_time_val = delay_time->u.n.value; | |
161 | if (speakup_info.flushing) { | |
162 | speakup_info.flushing = 0; | |
163 | spk_unlock(flags); | |
164 | synth->flush(synth); | |
165 | continue; | |
166 | } | |
167 | if (synth_buffer_empty()) { | |
168 | spk_unlock(flags); | |
169 | break; | |
170 | } | |
171 | ch = synth_buffer_peek(); | |
172 | set_current_state(TASK_INTERRUPTIBLE); | |
173 | full_time_val = full_time->u.n.value; | |
174 | spk_unlock(flags); | |
175 | if (!spk_serial_out(ch)) { | |
176 | outb(UART_MCR_DTR, speakup_info.port_tts + UART_MCR); | |
177 | outb(UART_MCR_DTR | UART_MCR_RTS, | |
178 | speakup_info.port_tts + UART_MCR); | |
179 | schedule_timeout(msecs_to_jiffies(full_time_val)); | |
180 | continue; | |
181 | } | |
182 | if ((jiffies >= jiff_max) && (ch == SPACE)) { | |
183 | spk_lock(flags); | |
184 | jiffy_delta_val = jiffy_delta->u.n.value; | |
185 | full_time_val = full_time->u.n.value; | |
186 | delay_time_val = delay_time->u.n.value; | |
187 | spk_unlock(flags); | |
188 | if (spk_serial_out(synth->procspeech)) | |
f4931441 CB |
189 | schedule_timeout(msecs_to_jiffies |
190 | (delay_time_val)); | |
c6e3fd22 | 191 | else |
f4931441 CB |
192 | schedule_timeout(msecs_to_jiffies |
193 | (full_time_val)); | |
c6e3fd22 WH |
194 | jiff_max = jiffies + jiffy_delta_val; |
195 | } | |
196 | set_current_state(TASK_RUNNING); | |
197 | spk_lock(flags); | |
198 | synth_buffer_getc(); | |
199 | spk_unlock(flags); | |
200 | } | |
201 | spk_serial_out(PROCSPEECH); | |
202 | } | |
203 | ||
204 | module_param_named(ser, synth_apollo.ser, int, S_IRUGO); | |
205 | module_param_named(start, synth_apollo.startup, short, S_IRUGO); | |
206 | ||
207 | MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based)."); | |
208 | MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded."); | |
209 | ||
210 | static int __init apollo_init(void) | |
211 | { | |
212 | return synth_add(&synth_apollo); | |
213 | } | |
214 | ||
215 | static void __exit apollo_exit(void) | |
216 | { | |
217 | synth_remove(&synth_apollo); | |
218 | } | |
219 | ||
220 | module_init(apollo_init); | |
221 | module_exit(apollo_exit); | |
222 | MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>"); | |
223 | MODULE_AUTHOR("David Borowski"); | |
224 | MODULE_DESCRIPTION("Speakup support for Apollo II synthesizer"); | |
225 | MODULE_LICENSE("GPL"); | |
226 | MODULE_VERSION(DRV_VERSION); | |
227 |