1 // SPDX-License-Identifier: GPL-2.0+
3 * originally written by: Kirk Reiser <kirk@braille.uwo.ca>
4 * this version considerably modified by David Borowski, david575@rogers.com
6 * Copyright (C) 1998-99 Kirk Reiser.
7 * Copyright (C) 2003 David Borowski.
9 * specificly written as a driver for the speakup screenreview
10 * s not a general device driver.
15 #define DRV_VERSION "2.11"
16 #define SYNTH_CLEAR 0x18
17 #define PROCSPEECH '\r'
19 static void synth_flush(struct spk_synth *synth);
21 static struct var_t vars[] = {
22 { CAPS_START, .u.s = {"\x05P+" } },
23 { CAPS_STOP, .u.s = {"\x05P-" } },
24 { RATE, .u.n = {"\x05R%d", 7, 0, 9, 0, 0, NULL } },
25 { PITCH, .u.n = {"\x05P%d", 3, 0, 9, 0, 0, NULL } },
26 { VOL, .u.n = {"\x05V%d", 9, 0, 9, 0, 0, NULL } },
27 { TONE, .u.n = {"\x05T%c", 8, 0, 25, 65, 0, NULL } },
28 { PUNCT, .u.n = {"\x05M%c", 0, 0, 3, 0, 0, "nsma" } },
29 { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
33 /* These attributes will appear in /sys/accessibility/speakup/spkout. */
35 static struct kobj_attribute caps_start_attribute =
36 __ATTR(caps_start, 0644, spk_var_show, spk_var_store);
37 static struct kobj_attribute caps_stop_attribute =
38 __ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
39 static struct kobj_attribute pitch_attribute =
40 __ATTR(pitch, 0644, spk_var_show, spk_var_store);
41 static struct kobj_attribute punct_attribute =
42 __ATTR(punct, 0644, spk_var_show, spk_var_store);
43 static struct kobj_attribute rate_attribute =
44 __ATTR(rate, 0644, spk_var_show, spk_var_store);
45 static struct kobj_attribute tone_attribute =
46 __ATTR(tone, 0644, spk_var_show, spk_var_store);
47 static struct kobj_attribute vol_attribute =
48 __ATTR(vol, 0644, spk_var_show, spk_var_store);
50 static struct kobj_attribute delay_time_attribute =
51 __ATTR(delay_time, 0644, spk_var_show, spk_var_store);
52 static struct kobj_attribute direct_attribute =
53 __ATTR(direct, 0644, spk_var_show, spk_var_store);
54 static struct kobj_attribute full_time_attribute =
55 __ATTR(full_time, 0644, spk_var_show, spk_var_store);
56 static struct kobj_attribute jiffy_delta_attribute =
57 __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
58 static struct kobj_attribute trigger_time_attribute =
59 __ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
62 * Create a group of attributes so that we can create and destroy them all
65 static struct attribute *synth_attrs[] = {
66 &caps_start_attribute.attr,
67 &caps_stop_attribute.attr,
68 &pitch_attribute.attr,
69 &punct_attribute.attr,
73 &delay_time_attribute.attr,
74 &direct_attribute.attr,
75 &full_time_attribute.attr,
76 &jiffy_delta_attribute.attr,
77 &trigger_time_attribute.attr,
78 NULL, /* need to NULL terminate the list of attributes */
81 static struct spk_synth synth_spkout = {
83 .version = DRV_VERSION,
84 .long_name = "Speakout",
85 .init = "\005W1\005I2\005C3",
86 .procspeech = PROCSPEECH,
92 .dev_name = SYNTH_DEFAULT_DEV,
93 .startup = SYNTH_START,
94 .checkval = SYNTH_CHECK,
96 .io_ops = &spk_ttyio_ops,
97 .probe = spk_ttyio_synth_probe,
98 .release = spk_ttyio_release,
99 .synth_immediate = spk_ttyio_synth_immediate,
100 .catch_up = spk_do_catch_up,
101 .flush = synth_flush,
102 .is_alive = spk_synth_is_alive_restart,
103 .synth_adjust = NULL,
104 .read_buff_add = NULL,
105 .get_index = spk_synth_get_index,
107 .command = "\x05[%c",
113 .attrs = synth_attrs,
118 static void synth_flush(struct spk_synth *synth)
120 synth->io_ops->flush_buffer();
121 synth->io_ops->send_xchar(SYNTH_CLEAR);
124 module_param_named(ser, synth_spkout.ser, int, 0444);
125 module_param_named(dev, synth_spkout.dev_name, charp, 0444);
126 module_param_named(start, synth_spkout.startup, short, 0444);
128 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
129 MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
130 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
132 module_spk_synth(synth_spkout);
134 MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
135 MODULE_AUTHOR("David Borowski");
136 MODULE_DESCRIPTION("Speakup support for Speak Out synthesizers");
137 MODULE_LICENSE("GPL");
138 MODULE_VERSION(DRV_VERSION);