2 * originally written by: Kirk Reiser <kirk@braille.uwo.ca>
3 * this version considerably modified by David Borowski, david575@rogers.com
5 * Copyright (C) 1998-99 Kirk Reiser.
6 * Copyright (C) 2003 David Borowski.
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.
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.
18 * this code is specificly written as a driver for the speakup screenreview
19 * package and is not a general device driver.
21 #include <linux/jiffies.h>
22 #include <linux/sched.h>
23 #include <linux/timer.h>
24 #include <linux/kthread.h>
30 #define DRV_VERSION "2.21"
31 #define SYNTH_CLEAR 0x18
32 #define PROCSPEECH '\r'
34 static void do_catch_up(struct spk_synth
*synth
);
36 static struct var_t vars
[] = {
37 { CAPS_START
, .u
.s
= {"cap, " } },
38 { CAPS_STOP
, .u
.s
= {"" } },
39 { RATE
, .u
.n
= {"@W%d", 6, 1, 9, 0, 0, NULL
} },
40 { PITCH
, .u
.n
= {"@F%x", 10, 0, 15, 0, 0, NULL
} },
41 { VOL
, .u
.n
= {"@A%x", 10, 0, 15, 0, 0, NULL
} },
42 { VOICE
, .u
.n
= {"@V%d", 1, 1, 6, 0, 0, NULL
} },
43 { LANG
, .u
.n
= {"@=%d,", 1, 1, 4, 0, 0, NULL
} },
44 { DIRECT
, .u
.n
= {NULL
, 0, 0, 1, 0, 0, NULL
} },
49 * These attributes will appear in /sys/accessibility/speakup/apollo.
51 static struct kobj_attribute caps_start_attribute
=
52 __ATTR(caps_start
, S_IWUSR
|S_IRUGO
, spk_var_show
, spk_var_store
);
53 static struct kobj_attribute caps_stop_attribute
=
54 __ATTR(caps_stop
, S_IWUSR
|S_IRUGO
, spk_var_show
, spk_var_store
);
55 static struct kobj_attribute lang_attribute
=
56 __ATTR(lang
, S_IWUSR
|S_IRUGO
, spk_var_show
, spk_var_store
);
57 static struct kobj_attribute pitch_attribute
=
58 __ATTR(pitch
, S_IWUSR
|S_IRUGO
, spk_var_show
, spk_var_store
);
59 static struct kobj_attribute rate_attribute
=
60 __ATTR(rate
, S_IWUSR
|S_IRUGO
, spk_var_show
, spk_var_store
);
61 static struct kobj_attribute voice_attribute
=
62 __ATTR(voice
, S_IWUSR
|S_IRUGO
, spk_var_show
, spk_var_store
);
63 static struct kobj_attribute vol_attribute
=
64 __ATTR(vol
, S_IWUSR
|S_IRUGO
, spk_var_show
, spk_var_store
);
66 static struct kobj_attribute delay_time_attribute
=
67 __ATTR(delay_time
, S_IWUSR
|S_IRUGO
, spk_var_show
, spk_var_store
);
68 static struct kobj_attribute direct_attribute
=
69 __ATTR(direct
, S_IWUSR
|S_IRUGO
, spk_var_show
, spk_var_store
);
70 static struct kobj_attribute full_time_attribute
=
71 __ATTR(full_time
, S_IWUSR
|S_IRUGO
, spk_var_show
, spk_var_store
);
72 static struct kobj_attribute jiffy_delta_attribute
=
73 __ATTR(jiffy_delta
, S_IWUSR
|S_IRUGO
, spk_var_show
, spk_var_store
);
74 static struct kobj_attribute trigger_time_attribute
=
75 __ATTR(trigger_time
, S_IWUSR
|S_IRUGO
, spk_var_show
, spk_var_store
);
78 * Create a group of attributes so that we can create and destroy them all
81 static struct attribute
*synth_attrs
[] = {
82 &caps_start_attribute
.attr
,
83 &caps_stop_attribute
.attr
,
85 &pitch_attribute
.attr
,
87 &voice_attribute
.attr
,
89 &delay_time_attribute
.attr
,
90 &direct_attribute
.attr
,
91 &full_time_attribute
.attr
,
92 &jiffy_delta_attribute
.attr
,
93 &trigger_time_attribute
.attr
,
94 NULL
, /* need to NULL terminate the list of attributes */
97 static struct spk_synth synth_apollo
= {
99 .version
= DRV_VERSION
,
100 .long_name
= "Apollo",
101 .init
= "@R3@D0@K1\r",
102 .procspeech
= PROCSPEECH
,
103 .clear
= SYNTH_CLEAR
,
108 .startup
= SYNTH_START
,
109 .checkval
= SYNTH_CHECK
,
111 .probe
= spk_serial_synth_probe
,
112 .release
= spk_serial_release
,
113 .synth_immediate
= spk_synth_immediate
,
114 .catch_up
= do_catch_up
,
115 .flush
= spk_synth_flush
,
116 .is_alive
= spk_synth_is_alive_restart
,
117 .synth_adjust
= NULL
,
118 .read_buff_add
= NULL
,
127 .attrs
= synth_attrs
,
132 static void do_catch_up(struct spk_synth
*synth
)
136 unsigned long jiff_max
;
137 struct var_t
*jiffy_delta
;
138 struct var_t
*delay_time
;
139 struct var_t
*full_time
;
140 int full_time_val
= 0;
141 int delay_time_val
= 0;
142 int jiffy_delta_val
= 0;
144 jiffy_delta
= spk_get_var(JIFFY
);
145 delay_time
= spk_get_var(DELAY
);
146 full_time
= spk_get_var(FULL
);
147 spin_lock_irqsave(&speakup_info
.spinlock
, flags
);
148 jiffy_delta_val
= jiffy_delta
->u
.n
.value
;
149 spin_unlock_irqrestore(&speakup_info
.spinlock
, flags
);
150 jiff_max
= jiffies
+ jiffy_delta_val
;
152 while (!kthread_should_stop()) {
153 spin_lock_irqsave(&speakup_info
.spinlock
, flags
);
154 jiffy_delta_val
= jiffy_delta
->u
.n
.value
;
155 full_time_val
= full_time
->u
.n
.value
;
156 delay_time_val
= delay_time
->u
.n
.value
;
157 if (speakup_info
.flushing
) {
158 speakup_info
.flushing
= 0;
159 spin_unlock_irqrestore(&speakup_info
.spinlock
, flags
);
163 if (synth_buffer_empty()) {
164 spin_unlock_irqrestore(&speakup_info
.spinlock
, flags
);
167 ch
= synth_buffer_peek();
168 set_current_state(TASK_INTERRUPTIBLE
);
169 full_time_val
= full_time
->u
.n
.value
;
170 spin_unlock_irqrestore(&speakup_info
.spinlock
, flags
);
171 if (!spk_serial_out(ch
)) {
172 outb(UART_MCR_DTR
, speakup_info
.port_tts
+ UART_MCR
);
173 outb(UART_MCR_DTR
| UART_MCR_RTS
,
174 speakup_info
.port_tts
+ UART_MCR
);
175 schedule_timeout(msecs_to_jiffies(full_time_val
));
178 if (time_after_eq(jiffies
, jiff_max
) && (ch
== SPACE
)) {
179 spin_lock_irqsave(&speakup_info
.spinlock
, flags
);
180 jiffy_delta_val
= jiffy_delta
->u
.n
.value
;
181 full_time_val
= full_time
->u
.n
.value
;
182 delay_time_val
= delay_time
->u
.n
.value
;
183 spin_unlock_irqrestore(&speakup_info
.spinlock
, flags
);
184 if (spk_serial_out(synth
->procspeech
))
185 schedule_timeout(msecs_to_jiffies
188 schedule_timeout(msecs_to_jiffies
190 jiff_max
= jiffies
+ jiffy_delta_val
;
192 set_current_state(TASK_RUNNING
);
193 spin_lock_irqsave(&speakup_info
.spinlock
, flags
);
195 spin_unlock_irqrestore(&speakup_info
.spinlock
, flags
);
197 spk_serial_out(PROCSPEECH
);
200 module_param_named(ser
, synth_apollo
.ser
, int, S_IRUGO
);
201 module_param_named(start
, synth_apollo
.startup
, short, S_IRUGO
);
203 MODULE_PARM_DESC(ser
, "Set the serial port for the synthesizer (0-based).");
204 MODULE_PARM_DESC(start
, "Start the synthesizer once it is loaded.");
206 module_spk_synth(synth_apollo
);
208 MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
209 MODULE_AUTHOR("David Borowski");
210 MODULE_DESCRIPTION("Speakup support for Apollo II synthesizer");
211 MODULE_LICENSE("GPL");
212 MODULE_VERSION(DRV_VERSION
);