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 * eventually modified by Samuel Thibault <samuel.thibault@ens-lyon.org>
6 *
7 * Copyright (C) 1998-99 Kirk Reiser.
8 * Copyright (C) 2003 David Borowski.
9 * Copyright (C) 2007 Samuel Thibault.
10 *
11 * specifically written as a driver for the speakup screenreview
12 * s not a general device driver.
13 */
14 #include "spk_priv.h"
15 #include "speakup.h"
16
17 #define PROCSPEECH '\n'
18 #define DRV_VERSION "2.11"
19 #define SYNTH_CLEAR '!'
20
21 static struct var_t vars[] = {
22 { CAPS_START, .u.s = {"CAPS_START\n" } },
23 { CAPS_STOP, .u.s = {"CAPS_STOP\n" } },
24 { PAUSE, .u.s = {"PAUSE\n"} },
25 { RATE, .u.n = {"RATE %d\n", 8, 1, 16, 0, 0, NULL } },
26 { PITCH, .u.n = {"PITCH %d\n", 8, 0, 16, 0, 0, NULL } },
27 { INFLECTION, .u.n = {"INFLECTION %d\n", 8, 0, 16, 0, 0, NULL } },
28 { VOL, .u.n = {"VOL %d\n", 8, 0, 16, 0, 0, NULL } },
29 { TONE, .u.n = {"TONE %d\n", 8, 0, 16, 0, 0, NULL } },
30 { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
31 V_LAST_VAR
32 };
33
34 /*
35 * These attributes will appear in /sys/accessibility/speakup/dummy.
36 */
37 static struct kobj_attribute caps_start_attribute =
38 __ATTR(caps_start, 0644, spk_var_show, spk_var_store);
39 static struct kobj_attribute caps_stop_attribute =
40 __ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
41 static struct kobj_attribute pitch_attribute =
42 __ATTR(pitch, 0644, spk_var_show, spk_var_store);
43 static struct kobj_attribute inflection_attribute =
44 __ATTR(inflection, 0644, spk_var_show, spk_var_store);
45 static struct kobj_attribute rate_attribute =
46 __ATTR(rate, 0644, spk_var_show, spk_var_store);
47 static struct kobj_attribute tone_attribute =
48 __ATTR(tone, 0644, spk_var_show, spk_var_store);
49 static struct kobj_attribute vol_attribute =
50 __ATTR(vol, 0644, spk_var_show, spk_var_store);
51
52 static struct kobj_attribute delay_time_attribute =
53 __ATTR(delay_time, 0644, spk_var_show, spk_var_store);
54 static struct kobj_attribute direct_attribute =
55 __ATTR(direct, 0644, spk_var_show, spk_var_store);
56 static struct kobj_attribute full_time_attribute =
57 __ATTR(full_time, 0644, spk_var_show, spk_var_store);
58 static struct kobj_attribute jiffy_delta_attribute =
59 __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
60 static struct kobj_attribute trigger_time_attribute =
61 __ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
62
63 /*
64 * Create a group of attributes so that we can create and destroy them all
65 * at once.
66 */
67 static struct attribute *synth_attrs[] = {
68 &caps_start_attribute.attr,
69 &caps_stop_attribute.attr,
70 &pitch_attribute.attr,
71 &inflection_attribute.attr,
72 &rate_attribute.attr,
73 &tone_attribute.attr,
74 &vol_attribute.attr,
75 &delay_time_attribute.attr,
76 &direct_attribute.attr,
77 &full_time_attribute.attr,
78 &jiffy_delta_attribute.attr,
79 &trigger_time_attribute.attr,
80 NULL, /* need to NULL terminate the list of attributes */
81 };
82
read_buff_add(u_char c)83 static void read_buff_add(u_char c)
84 {
85 pr_info("speakup_dummy: got character %02x\n", c);
86 }
87
88 static struct spk_synth synth_dummy = {
89 .name = "dummy",
90 .version = DRV_VERSION,
91 .long_name = "Dummy",
92 .init = "Speakup\n",
93 .procspeech = PROCSPEECH,
94 .clear = SYNTH_CLEAR,
95 .delay = 500,
96 .trigger = 50,
97 .jiffies = 50,
98 .full = 40000,
99 .dev_name = SYNTH_DEFAULT_DEV,
100 .startup = SYNTH_START,
101 .checkval = SYNTH_CHECK,
102 .vars = vars,
103 .io_ops = &spk_ttyio_ops,
104 .probe = spk_ttyio_synth_probe,
105 .release = spk_ttyio_release,
106 .synth_immediate = spk_ttyio_synth_immediate,
107 .catch_up = spk_do_catch_up_unicode,
108 .flush = spk_synth_flush,
109 .is_alive = spk_synth_is_alive_restart,
110 .synth_adjust = NULL,
111 .read_buff_add = read_buff_add,
112 .get_index = NULL,
113 .indexing = {
114 .command = NULL,
115 .lowindex = 0,
116 .highindex = 0,
117 .currindex = 0,
118 },
119 .attributes = {
120 .attrs = synth_attrs,
121 .name = "dummy",
122 },
123 };
124
125 module_param_named(ser, synth_dummy.ser, int, 0444);
126 module_param_named(dev, synth_dummy.dev_name, charp, 0444);
127 module_param_named(start, synth_dummy.startup, short, 0444);
128
129 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
130 MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
131 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
132
133 module_spk_synth(synth_dummy);
134
135 MODULE_AUTHOR("Samuel Thibault <samuel.thibault@ens-lyon.org>");
136 MODULE_DESCRIPTION("Speakup support for text console");
137 MODULE_LICENSE("GPL");
138 MODULE_VERSION(DRV_VERSION);
139
140