accessibility/speakup/speakup_txprt.c

0001 // SPDX-License-Identifier: GPL-2.0+
0002 /*
0003  * originally written by: Kirk Reiser <kirk@braille.uwo.ca>
0004  * this version considerably modified by David Borowski, david575@rogers.com
0005  *
0006  * Copyright (C) 1998-99  Kirk Reiser.
0007  * Copyright (C) 2003 David Borowski.
0008  *
0009  * specifically written as a driver for the speakup screenreview
0010  * s not a general device driver.
0011  */
0012 #include "spk_priv.h"
0013 #include "speakup.h"
0014
0015 #define DRV_VERSION "2.11"
0016 #define SYNTH_CLEAR 0x18
0017 #define PROCSPEECH '\r' /* process speech char */
0018
0019 static struct var_t vars[] = {
0020     { CAPS_START, .u.s = {"\x05P8" } },
0021     { CAPS_STOP, .u.s = {"\x05P5" } },
0022     { RATE, .u.n = {"\x05R%d", 5, 0, 9, 0, 0, NULL } },
0023     { PITCH, .u.n = {"\x05P%d", 5, 0, 9, 0, 0, NULL } },
0024     { VOL, .u.n = {"\x05V%d", 5, 0, 9, 0, 0, NULL } },
0025     { TONE, .u.n = {"\x05T%c", 12, 0, 25, 61, 0, NULL } },
0026     { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
0027     V_LAST_VAR
0028      };
0029
0030 /* These attributes will appear in /sys/accessibility/speakup/txprt. */
0031
0032 static struct kobj_attribute caps_start_attribute =
0033     __ATTR(caps_start, 0644, spk_var_show, spk_var_store);
0034 static struct kobj_attribute caps_stop_attribute =
0035     __ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
0036 static struct kobj_attribute pitch_attribute =
0037     __ATTR(pitch, 0644, spk_var_show, spk_var_store);
0038 static struct kobj_attribute rate_attribute =
0039     __ATTR(rate, 0644, spk_var_show, spk_var_store);
0040 static struct kobj_attribute tone_attribute =
0041     __ATTR(tone, 0644, spk_var_show, spk_var_store);
0042 static struct kobj_attribute vol_attribute =
0043     __ATTR(vol, 0644, spk_var_show, spk_var_store);
0044
0045 static struct kobj_attribute delay_time_attribute =
0046     __ATTR(delay_time, 0644, spk_var_show, spk_var_store);
0047 static struct kobj_attribute direct_attribute =
0048     __ATTR(direct, 0644, spk_var_show, spk_var_store);
0049 static struct kobj_attribute full_time_attribute =
0050     __ATTR(full_time, 0644, spk_var_show, spk_var_store);
0051 static struct kobj_attribute jiffy_delta_attribute =
0052     __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
0053 static struct kobj_attribute trigger_time_attribute =
0054     __ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
0055
0056 /*
0057  * Create a group of attributes so that we can create and destroy them all
0058  * at once.
0059  */
0060 static struct attribute *synth_attrs[] = {
0061     &caps_start_attribute.attr,
0062     &caps_stop_attribute.attr,
0063     &pitch_attribute.attr,
0064     &rate_attribute.attr,
0065     &tone_attribute.attr,
0066     &vol_attribute.attr,
0067     &delay_time_attribute.attr,
0068     &direct_attribute.attr,
0069     &full_time_attribute.attr,
0070     &jiffy_delta_attribute.attr,
0071     &trigger_time_attribute.attr,
0072     NULL,   /* need to NULL terminate the list of attributes */
0073 };
0074
0075 static struct spk_synth synth_txprt = {
0076     .name = "txprt",
0077     .version = DRV_VERSION,
0078     .long_name = "Transport",
0079     .init = "\x05N1",
0080     .procspeech = PROCSPEECH,
0081     .clear = SYNTH_CLEAR,
0082     .delay = 500,
0083     .trigger = 50,
0084     .jiffies = 50,
0085     .full = 40000,
0086     .dev_name = SYNTH_DEFAULT_DEV,
0087     .startup = SYNTH_START,
0088     .checkval = SYNTH_CHECK,
0089     .vars = vars,
0090     .io_ops = &spk_ttyio_ops,
0091     .probe = spk_ttyio_synth_probe,
0092     .release = spk_ttyio_release,
0093     .synth_immediate = spk_ttyio_synth_immediate,
0094     .catch_up = spk_do_catch_up,
0095     .flush = spk_synth_flush,
0096     .is_alive = spk_synth_is_alive_restart,
0097     .synth_adjust = NULL,
0098     .read_buff_add = NULL,
0099     .get_index = NULL,
0100     .indexing = {
0101         .command = NULL,
0102         .lowindex = 0,
0103         .highindex = 0,
0104         .currindex = 0,
0105     },
0106     .attributes = {
0107         .attrs = synth_attrs,
0108         .name = "txprt",
0109     },
0110 };
0111
0112 module_param_named(ser, synth_txprt.ser, int, 0444);
0113 module_param_named(dev, synth_txprt.dev_name, charp, 0444);
0114 module_param_named(start, synth_txprt.startup, short, 0444);
0115
0116 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
0117 MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
0118 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
0119
0120 module_spk_synth(synth_txprt);
0121
0122 MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
0123 MODULE_AUTHOR("David Borowski");
0124 MODULE_DESCRIPTION("Speakup support for Transport synthesizers");
0125 MODULE_LICENSE("GPL");
0126 MODULE_VERSION(DRV_VERSION);
0127