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
22enum 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
34static 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
47static struct kobj_attribute caps_start_attribute =
48 __ATTR(caps_start, 0644, spk_var_show, spk_var_store);
49static struct kobj_attribute caps_stop_attribute =
50 __ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
51static struct kobj_attribute pitch_attribute =
52 __ATTR(pitch, 0644, spk_var_show, spk_var_store);
53static struct kobj_attribute rate_attribute =
54 __ATTR(rate, 0644, spk_var_show, spk_var_store);
55static struct kobj_attribute tone_attribute =
56 __ATTR(tone, 0644, spk_var_show, spk_var_store);
57static struct kobj_attribute vol_attribute =
58 __ATTR(vol, 0644, spk_var_show, spk_var_store);
59
60static struct kobj_attribute delay_time_attribute =
61 __ATTR(delay_time, 0644, spk_var_show, spk_var_store);
62static struct kobj_attribute direct_attribute =
63 __ATTR(direct, 0644, spk_var_show, spk_var_store);
64static struct kobj_attribute full_time_attribute =
65 __ATTR(full_time, 0644, spk_var_show, spk_var_store);
66static struct kobj_attribute jiffy_delta_attribute =
67 __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
68static 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 */
75static 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
90static 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
127module_param_named(ser, synth_txprt.ser, int, 0444);
128module_param_named(dev, synth_txprt.dev_name, charp, 0444);
129module_param_named(start, synth_txprt.startup, short, 0444);
130module_param_named(rate, vars[RATE_ID].u.n.default_val, int, 0444);
131module_param_named(pitch, vars[PITCH_ID].u.n.default_val, int, 0444);
132module_param_named(vol, vars[VOL_ID].u.n.default_val, int, 0444);
133module_param_named(tone, vars[TONE_ID].u.n.default_val, int, 0444);
134module_param_named(direct, vars[DIRECT_ID].u.n.default_val, int, 0444);
135
136
137
138MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
139MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
140MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
141MODULE_PARM_DESC(rate, "Set the rate variable on load.");
142MODULE_PARM_DESC(pitch, "Set the pitch variable on load.");
143MODULE_PARM_DESC(vol, "Set the vol variable on load.");
144MODULE_PARM_DESC(tone, "Set the tone variable on load.");
145MODULE_PARM_DESC(direct, "Set the direct variable on load.");
146
147
148
149module_spk_synth(synth_txprt);
150
151MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
152MODULE_AUTHOR("David Borowski");
153MODULE_DESCRIPTION("Speakup support for Transport synthesizers");
154MODULE_LICENSE("GPL");
155MODULE_VERSION(DRV_VERSION);
156
157

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