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  * this code is specifically written as a driver for the speakup screenreview
10  * package and is not a general device driver.
11  */
12 
13 #include "spk_priv.h"
14 #include "speakup.h"
15 #include "speakup_acnt.h" /* local header file for Accent values */
16 
17 #define DRV_VERSION "2.11"
18 #define PROCSPEECH '\r'
19 
20 static int synth_probe(struct spk_synth *synth);
21 
22 static struct var_t vars[] = {
23 	{ CAPS_START, .u.s = {"\033P8" } },
24 	{ CAPS_STOP, .u.s = {"\033P5" } },
25 	{ RATE, .u.n = {"\033R%c", 9, 0, 17, 0, 0, "0123456789abcdefgh" } },
26 	{ PITCH, .u.n = {"\033P%d", 5, 0, 9, 0, 0, NULL } },
27 	{ VOL, .u.n = {"\033A%d", 9, 0, 9, 0, 0, NULL } },
28 	{ TONE, .u.n = {"\033V%d", 5, 0, 9, 0, 0, NULL } },
29 	{ DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
30 	V_LAST_VAR
31 };
32 
33 /*
34  * These attributes will appear in /sys/accessibility/speakup/acntsa.
35  */
36 static struct kobj_attribute caps_start_attribute =
37 	__ATTR(caps_start, 0644, spk_var_show, spk_var_store);
38 static struct kobj_attribute caps_stop_attribute =
39 	__ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
40 static struct kobj_attribute pitch_attribute =
41 	__ATTR(pitch, 0644, spk_var_show, spk_var_store);
42 static struct kobj_attribute rate_attribute =
43 	__ATTR(rate, 0644, spk_var_show, spk_var_store);
44 static struct kobj_attribute tone_attribute =
45 	__ATTR(tone, 0644, spk_var_show, spk_var_store);
46 static struct kobj_attribute vol_attribute =
47 	__ATTR(vol, 0644, spk_var_show, spk_var_store);
48 
49 static struct kobj_attribute delay_time_attribute =
50 	__ATTR(delay_time, 0644, spk_var_show, spk_var_store);
51 static struct kobj_attribute direct_attribute =
52 	__ATTR(direct, 0644, spk_var_show, spk_var_store);
53 static struct kobj_attribute full_time_attribute =
54 	__ATTR(full_time, 0644, spk_var_show, spk_var_store);
55 static struct kobj_attribute jiffy_delta_attribute =
56 	__ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
57 static struct kobj_attribute trigger_time_attribute =
58 	__ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
59 
60 /*
61  * Create a group of attributes so that we can create and destroy them all
62  * at once.
63  */
64 static struct attribute *synth_attrs[] = {
65 	&caps_start_attribute.attr,
66 	&caps_stop_attribute.attr,
67 	&pitch_attribute.attr,
68 	&rate_attribute.attr,
69 	&tone_attribute.attr,
70 	&vol_attribute.attr,
71 	&delay_time_attribute.attr,
72 	&direct_attribute.attr,
73 	&full_time_attribute.attr,
74 	&jiffy_delta_attribute.attr,
75 	&trigger_time_attribute.attr,
76 	NULL,	/* need to NULL terminate the list of attributes */
77 };
78 
79 static struct spk_synth synth_acntsa = {
80 	.name = "acntsa",
81 	.version = DRV_VERSION,
82 	.long_name = "Accent-SA",
83 	.init = "\033T2\033=M\033Oi\033N1\n",
84 	.procspeech = PROCSPEECH,
85 	.clear = SYNTH_CLEAR,
86 	.delay = 400,
87 	.trigger = 50,
88 	.jiffies = 30,
89 	.full = 40000,
90 	.dev_name = SYNTH_DEFAULT_DEV,
91 	.startup = SYNTH_START,
92 	.checkval = SYNTH_CHECK,
93 	.vars = vars,
94 	.io_ops = &spk_ttyio_ops,
95 	.probe = synth_probe,
96 	.release = spk_ttyio_release,
97 	.synth_immediate = spk_ttyio_synth_immediate,
98 	.catch_up = spk_do_catch_up,
99 	.flush = spk_synth_flush,
100 	.is_alive = spk_synth_is_alive_restart,
101 	.synth_adjust = NULL,
102 	.read_buff_add = NULL,
103 	.get_index = NULL,
104 	.indexing = {
105 		.command = NULL,
106 		.lowindex = 0,
107 		.highindex = 0,
108 		.currindex = 0,
109 	},
110 	.attributes = {
111 		.attrs = synth_attrs,
112 		.name = "acntsa",
113 	},
114 };
115 
116 static int synth_probe(struct spk_synth *synth)
117 {
118 	int failed;
119 
120 	failed = spk_ttyio_synth_probe(synth);
121 	if (failed == 0) {
122 		synth->synth_immediate(synth, "\033=R\r");
123 		mdelay(100);
124 	}
125 	synth->alive = !failed;
126 	return failed;
127 }
128 
129 module_param_named(ser, synth_acntsa.ser, int, 0444);
130 module_param_named(dev, synth_acntsa.dev_name, charp, 0444);
131 module_param_named(start, synth_acntsa.startup, short, 0444);
132 
133 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
134 MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
135 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
136 
137 module_spk_synth(synth_acntsa);
138 
139 MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
140 MODULE_AUTHOR("David Borowski");
141 MODULE_DESCRIPTION("Speakup support for Accent SA synthesizer");
142 MODULE_LICENSE("GPL");
143 MODULE_VERSION(DRV_VERSION);
144 
145