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
22enum default_vars_id {
23 CAPS_START_ID = 0, CAPS_STOP_ID,
24 PAUSE_ID,
25 RATE_ID, PITCH_ID, INFLECTION_ID,
26 VOL_ID, TONE_ID, PUNCT_ID,
27 DIRECT_ID, V_LAST_VAR_ID,
28 NB_ID
29};
30
31
32
33
34static struct var_t vars[NB_ID] = {
35 [CAPS_START_ID] = { .var_id: CAPS_START, .u.s = {"CAPS_START\n" } },
36 [CAPS_STOP_ID] = { .var_id: CAPS_STOP, .u.s = {"CAPS_STOP\n" } },
37 [PAUSE_ID] = { .var_id: PAUSE, .u.s = {"PAUSE\n"} },
38 [RATE_ID] = { .var_id: RATE, .u.n = {"RATE %d\n", 8, 1, 16, 0, 0, NULL } },
39 [PITCH_ID] = { .var_id: PITCH, .u.n = {"PITCH %d\n", 8, 0, 16, 0, 0, NULL } },
40 [INFLECTION_ID] = { .var_id: INFLECTION, .u.n = {"INFLECTION %d\n", 8, 0, 16, 0, 0, NULL } },
41 [VOL_ID] = { .var_id: VOL, .u.n = {"VOL %d\n", 8, 0, 16, 0, 0, NULL } },
42 [TONE_ID] = { .var_id: TONE, .u.n = {"TONE %d\n", 8, 0, 16, 0, 0, NULL } },
43 [PUNCT_ID] = { .var_id: PUNCT, .u.n = {"PUNCT %d\n", 0, 0, 3, 0, 0, NULL } },
44 [DIRECT_ID] = { .var_id: DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
45 V_LAST_VAR
46};
47
48/*
49 * These attributes will appear in /sys/accessibility/speakup/dummy.
50 */
51static struct kobj_attribute caps_start_attribute =
52 __ATTR(caps_start, 0644, spk_var_show, spk_var_store);
53static struct kobj_attribute caps_stop_attribute =
54 __ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
55static struct kobj_attribute pitch_attribute =
56 __ATTR(pitch, 0644, spk_var_show, spk_var_store);
57static struct kobj_attribute inflection_attribute =
58 __ATTR(inflection, 0644, spk_var_show, spk_var_store);
59static struct kobj_attribute punct_attribute =
60 __ATTR(punct, 0644, spk_var_show, spk_var_store);
61static struct kobj_attribute rate_attribute =
62 __ATTR(rate, 0644, spk_var_show, spk_var_store);
63static struct kobj_attribute tone_attribute =
64 __ATTR(tone, 0644, spk_var_show, spk_var_store);
65static struct kobj_attribute vol_attribute =
66 __ATTR(vol, 0644, spk_var_show, spk_var_store);
67
68static struct kobj_attribute delay_time_attribute =
69 __ATTR(delay_time, 0644, spk_var_show, spk_var_store);
70static struct kobj_attribute direct_attribute =
71 __ATTR(direct, 0644, spk_var_show, spk_var_store);
72static struct kobj_attribute full_time_attribute =
73 __ATTR(full_time, 0644, spk_var_show, spk_var_store);
74static struct kobj_attribute jiffy_delta_attribute =
75 __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
76static struct kobj_attribute trigger_time_attribute =
77 __ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
78
79/*
80 * Create a group of attributes so that we can create and destroy them all
81 * at once.
82 */
83static struct attribute *synth_attrs[] = {
84 &caps_start_attribute.attr,
85 &caps_stop_attribute.attr,
86 &pitch_attribute.attr,
87 &inflection_attribute.attr,
88 &punct_attribute.attr,
89 &rate_attribute.attr,
90 &tone_attribute.attr,
91 &vol_attribute.attr,
92 &delay_time_attribute.attr,
93 &direct_attribute.attr,
94 &full_time_attribute.attr,
95 &jiffy_delta_attribute.attr,
96 &trigger_time_attribute.attr,
97 NULL, /* need to NULL terminate the list of attributes */
98};
99
100static void read_buff_add(u_char c)
101{
102 pr_info("speakup_dummy: got character %02x\n", c);
103}
104
105static struct spk_synth synth_dummy = {
106 .name = "dummy",
107 .version = DRV_VERSION,
108 .long_name = "Dummy",
109 .init = "Speakup\n",
110 .procspeech = PROCSPEECH,
111 .clear = SYNTH_CLEAR,
112 .delay = 500,
113 .trigger = 50,
114 .jiffies = 50,
115 .full = 40000,
116 .dev_name = SYNTH_DEFAULT_DEV,
117 .startup = SYNTH_START,
118 .checkval = SYNTH_CHECK,
119 .vars = vars,
120 .io_ops = &spk_ttyio_ops,
121 .probe = spk_ttyio_synth_probe,
122 .release = spk_ttyio_release,
123 .synth_immediate = spk_ttyio_synth_immediate,
124 .catch_up = spk_do_catch_up_unicode,
125 .flush = spk_synth_flush,
126 .is_alive = spk_synth_is_alive_restart,
127 .synth_adjust = NULL,
128 .read_buff_add = read_buff_add,
129 .get_index = NULL,
130 .indexing = {
131 .command = NULL,
132 .lowindex = 0,
133 .highindex = 0,
134 .currindex = 0,
135 },
136 .attributes = {
137 .attrs = synth_attrs,
138 .name = "dummy",
139 },
140};
141
142module_param_named(ser, synth_dummy.ser, int, 0444);
143module_param_named(dev, synth_dummy.dev_name, charp, 0444);
144module_param_named(start, synth_dummy.startup, short, 0444);
145module_param_named(rate, vars[RATE_ID].u.n.default_val, int, 0444);
146module_param_named(pitch, vars[PITCH_ID].u.n.default_val, int, 0444);
147module_param_named(inflection, vars[INFLECTION_ID].u.n.default_val, int, 0444);
148module_param_named(vol, vars[VOL_ID].u.n.default_val, int, 0444);
149module_param_named(tone, vars[TONE_ID].u.n.default_val, int, 0444);
150module_param_named(punct, vars[PUNCT_ID].u.n.default_val, int, 0444);
151module_param_named(direct, vars[DIRECT_ID].u.n.default_val, int, 0444);
152
153
154
155
156MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
157MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
158MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
159MODULE_PARM_DESC(rate, "Set the rate variable on load.");
160MODULE_PARM_DESC(pitch, "Set the pitch variable on load.");
161MODULE_PARM_DESC(inflection, "Set the inflection variable on load.");
162MODULE_PARM_DESC(vol, "Set the vol variable on load.");
163MODULE_PARM_DESC(tone, "Set the tone variable on load.");
164MODULE_PARM_DESC(punct, "Set the punct variable on load.");
165MODULE_PARM_DESC(direct, "Set the direct variable on load.");
166
167
168module_spk_synth(synth_dummy);
169
170MODULE_AUTHOR("Samuel Thibault <samuel.thibault@ens-lyon.org>");
171MODULE_DESCRIPTION("Speakup support for text console");
172MODULE_LICENSE("GPL");
173MODULE_VERSION(DRV_VERSION);
174
175

source code of linux/drivers/accessibility/speakup/speakup_dummy.c