1/*
2 * originally written by: Kirk Reiser <kirk@braille.uwo.ca>
3* this version considerably modified by David Borowski, david575@rogers.com
4 *
5 * Copyright (C) 1998-99  Kirk Reiser.
6 * Copyright (C) 2003 David Borowski.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21 *
22 * specificly written as a driver for the speakup screenreview
23 * s not a general device driver.
24 */
25#include "spk_priv.h"
26#include "speakup.h"
27#include "serialio.h"
28
29#define DRV_VERSION "2.11"
30#define SYNTH_CLEAR 0x18
31#define PROCSPEECH '\r'
32
33static void synth_flush(struct spk_synth *synth);
34
35static struct var_t vars[] = {
36	{ CAPS_START, .u.s = {"\x05P+" } },
37	{ CAPS_STOP, .u.s = {"\x05P-" } },
38	{ RATE, .u.n = {"\x05R%d", 7, 0, 9, 0, 0, NULL } },
39	{ PITCH, .u.n = {"\x05P%d", 3, 0, 9, 0, 0, NULL } },
40	{ VOL, .u.n = {"\x05V%d", 9, 0, 9, 0, 0, NULL } },
41	{ TONE, .u.n = {"\x05T%c", 8, 0, 25, 65, 0, NULL } },
42	{ PUNCT, .u.n = {"\x05M%c", 0, 0, 3, 0, 0, "nsma" } },
43	{ DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
44	V_LAST_VAR
45};
46
47/*
48 * These attributes will appear in /sys/accessibility/speakup/spkout.
49 */
50static struct kobj_attribute caps_start_attribute =
51	__ATTR(caps_start, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
52static struct kobj_attribute caps_stop_attribute =
53	__ATTR(caps_stop, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
54static struct kobj_attribute pitch_attribute =
55	__ATTR(pitch, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
56static struct kobj_attribute punct_attribute =
57	__ATTR(punct, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
58static struct kobj_attribute rate_attribute =
59	__ATTR(rate, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
60static struct kobj_attribute tone_attribute =
61	__ATTR(tone, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
62static struct kobj_attribute vol_attribute =
63	__ATTR(vol, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
64
65static struct kobj_attribute delay_time_attribute =
66	__ATTR(delay_time, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
67static struct kobj_attribute direct_attribute =
68	__ATTR(direct, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
69static struct kobj_attribute full_time_attribute =
70	__ATTR(full_time, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
71static struct kobj_attribute jiffy_delta_attribute =
72	__ATTR(jiffy_delta, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
73static struct kobj_attribute trigger_time_attribute =
74	__ATTR(trigger_time, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
75
76/*
77 * Create a group of attributes so that we can create and destroy them all
78 * at once.
79 */
80static struct attribute *synth_attrs[] = {
81	&caps_start_attribute.attr,
82	&caps_stop_attribute.attr,
83	&pitch_attribute.attr,
84	&punct_attribute.attr,
85	&rate_attribute.attr,
86	&tone_attribute.attr,
87	&vol_attribute.attr,
88	&delay_time_attribute.attr,
89	&direct_attribute.attr,
90	&full_time_attribute.attr,
91	&jiffy_delta_attribute.attr,
92	&trigger_time_attribute.attr,
93	NULL,	/* need to NULL terminate the list of attributes */
94};
95
96static struct spk_synth synth_spkout = {
97	.name = "spkout",
98	.version = DRV_VERSION,
99	.long_name = "Speakout",
100	.init = "\005W1\005I2\005C3",
101	.procspeech = PROCSPEECH,
102	.clear = SYNTH_CLEAR,
103	.delay = 500,
104	.trigger = 50,
105	.jiffies = 50,
106	.full = 40000,
107	.startup = SYNTH_START,
108	.checkval = SYNTH_CHECK,
109	.vars = vars,
110	.probe = spk_serial_synth_probe,
111	.release = spk_serial_release,
112	.synth_immediate = spk_synth_immediate,
113	.catch_up = spk_do_catch_up,
114	.flush = synth_flush,
115	.is_alive = spk_synth_is_alive_restart,
116	.synth_adjust = NULL,
117	.read_buff_add = NULL,
118	.get_index = spk_serial_in_nowait,
119	.indexing = {
120		.command = "\x05[%c",
121		.lowindex = 1,
122		.highindex = 5,
123		.currindex = 1,
124	},
125	.attributes = {
126		.attrs = synth_attrs,
127		.name = "spkout",
128	},
129};
130
131static void synth_flush(struct spk_synth *synth)
132{
133	int timeout = SPK_XMITR_TIMEOUT;
134
135	while (spk_serial_tx_busy()) {
136		if (!--timeout)
137			break;
138		udelay(1);
139	}
140	outb(SYNTH_CLEAR, speakup_info.port_tts);
141}
142
143module_param_named(ser, synth_spkout.ser, int, S_IRUGO);
144module_param_named(start, synth_spkout.startup, short, S_IRUGO);
145
146MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
147MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
148
149module_spk_synth(synth_spkout);
150
151MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
152MODULE_AUTHOR("David Borowski");
153MODULE_DESCRIPTION("Speakup support for Speak Out synthesizers");
154MODULE_LICENSE("GPL");
155MODULE_VERSION(DRV_VERSION);
156
157