xref: /linux/drivers/accessibility/speakup/speakup_txprt.c (revision e7d759f31ca295d589f7420719c311870bb3166f)
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 "spk_priv.h"
13 #include "speakup.h"
14 
15 #define DRV_VERSION "2.11"
16 #define SYNTH_CLEAR 0x18
17 #define PROCSPEECH '\r' /* process speech char */
18 
19 
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,
26 	DIRECT_ID, V_LAST_VAR_ID,
27 	NB_ID
28 };
29 
30 
31 
32 
33 
34 static struct var_t vars[NB_ID] = {
35 	[CAPS_START_ID] = { CAPS_START, .u.s = {"\x05P8" } },
36 	[CAPS_STOP_ID] = { CAPS_STOP, .u.s = {"\x05P5" } },
37 	[RATE_ID] = { RATE, .u.n = {"\x05R%d", 5, 0, 9, 0, 0, NULL } },
38 	[PITCH_ID] = { PITCH, .u.n = {"\x05P%d", 5, 0, 9, 0, 0, NULL } },
39 	[VOL_ID] = { VOL, .u.n = {"\x05V%d", 5, 0, 9, 0, 0, NULL } },
40 	[TONE_ID] = { TONE, .u.n = {"\x05T%c", 12, 0, 25, 61, 0, NULL } },
41 	[DIRECT_ID] = { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
42 	V_LAST_VAR
43 	 };
44 
45 /* These attributes will appear in /sys/accessibility/speakup/txprt. */
46 
47 static struct kobj_attribute caps_start_attribute =
48 	__ATTR(caps_start, 0644, spk_var_show, spk_var_store);
49 static struct kobj_attribute caps_stop_attribute =
50 	__ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
51 static struct kobj_attribute pitch_attribute =
52 	__ATTR(pitch, 0644, spk_var_show, spk_var_store);
53 static struct kobj_attribute rate_attribute =
54 	__ATTR(rate, 0644, spk_var_show, spk_var_store);
55 static struct kobj_attribute tone_attribute =
56 	__ATTR(tone, 0644, spk_var_show, spk_var_store);
57 static struct kobj_attribute vol_attribute =
58 	__ATTR(vol, 0644, spk_var_show, spk_var_store);
59 
60 static struct kobj_attribute delay_time_attribute =
61 	__ATTR(delay_time, 0644, spk_var_show, spk_var_store);
62 static struct kobj_attribute direct_attribute =
63 	__ATTR(direct, 0644, spk_var_show, spk_var_store);
64 static struct kobj_attribute full_time_attribute =
65 	__ATTR(full_time, 0644, spk_var_show, spk_var_store);
66 static struct kobj_attribute jiffy_delta_attribute =
67 	__ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
68 static struct kobj_attribute trigger_time_attribute =
69 	__ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
70 
71 /*
72  * Create a group of attributes so that we can create and destroy them all
73  * at once.
74  */
75 static struct attribute *synth_attrs[] = {
76 	&caps_start_attribute.attr,
77 	&caps_stop_attribute.attr,
78 	&pitch_attribute.attr,
79 	&rate_attribute.attr,
80 	&tone_attribute.attr,
81 	&vol_attribute.attr,
82 	&delay_time_attribute.attr,
83 	&direct_attribute.attr,
84 	&full_time_attribute.attr,
85 	&jiffy_delta_attribute.attr,
86 	&trigger_time_attribute.attr,
87 	NULL,	/* need to NULL terminate the list of attributes */
88 };
89 
90 static struct spk_synth synth_txprt = {
91 	.name = "txprt",
92 	.version = DRV_VERSION,
93 	.long_name = "Transport",
94 	.init = "\x05N1",
95 	.procspeech = PROCSPEECH,
96 	.clear = SYNTH_CLEAR,
97 	.delay = 500,
98 	.trigger = 50,
99 	.jiffies = 50,
100 	.full = 40000,
101 	.dev_name = SYNTH_DEFAULT_DEV,
102 	.startup = SYNTH_START,
103 	.checkval = SYNTH_CHECK,
104 	.vars = vars,
105 	.io_ops = &spk_ttyio_ops,
106 	.probe = spk_ttyio_synth_probe,
107 	.release = spk_ttyio_release,
108 	.synth_immediate = spk_ttyio_synth_immediate,
109 	.catch_up = spk_do_catch_up,
110 	.flush = spk_synth_flush,
111 	.is_alive = spk_synth_is_alive_restart,
112 	.synth_adjust = NULL,
113 	.read_buff_add = NULL,
114 	.get_index = NULL,
115 	.indexing = {
116 		.command = NULL,
117 		.lowindex = 0,
118 		.highindex = 0,
119 		.currindex = 0,
120 	},
121 	.attributes = {
122 		.attrs = synth_attrs,
123 		.name = "txprt",
124 	},
125 };
126 
127 module_param_named(ser, synth_txprt.ser, int, 0444);
128 module_param_named(dev, synth_txprt.dev_name, charp, 0444);
129 module_param_named(start, synth_txprt.startup, short, 0444);
130 module_param_named(rate, vars[RATE_ID].u.n.default_val, int, 0444);
131 module_param_named(pitch, vars[PITCH_ID].u.n.default_val, int, 0444);
132 module_param_named(vol, vars[VOL_ID].u.n.default_val, int, 0444);
133 module_param_named(tone, vars[TONE_ID].u.n.default_val, int, 0444);
134 module_param_named(direct, vars[DIRECT_ID].u.n.default_val, int, 0444);
135 
136 
137 
138 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
139 MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
140 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
141 MODULE_PARM_DESC(rate, "Set the rate variable on load.");
142 MODULE_PARM_DESC(pitch, "Set the pitch variable on load.");
143 MODULE_PARM_DESC(vol, "Set the vol variable on load.");
144 MODULE_PARM_DESC(tone, "Set the tone variable on load.");
145 MODULE_PARM_DESC(direct, "Set the direct variable on load.");
146 
147 
148 
149 module_spk_synth(synth_txprt);
150 
151 MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
152 MODULE_AUTHOR("David Borowski");
153 MODULE_DESCRIPTION("Speakup support for Transport synthesizers");
154 MODULE_LICENSE("GPL");
155 MODULE_VERSION(DRV_VERSION);
156 
157