speakup_dummy.c (4456B)
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 21static struct var_t vars[] = { 22 { CAPS_START, .u.s = {"CAPS_START\n" } }, 23 { CAPS_STOP, .u.s = {"CAPS_STOP\n" } }, 24 { PAUSE, .u.s = {"PAUSE\n"} }, 25 { RATE, .u.n = {"RATE %d\n", 8, 1, 16, 0, 0, NULL } }, 26 { PITCH, .u.n = {"PITCH %d\n", 8, 0, 16, 0, 0, NULL } }, 27 { INFLECTION, .u.n = {"INFLECTION %d\n", 8, 0, 16, 0, 0, NULL } }, 28 { VOL, .u.n = {"VOL %d\n", 8, 0, 16, 0, 0, NULL } }, 29 { TONE, .u.n = {"TONE %d\n", 8, 0, 16, 0, 0, NULL } }, 30 { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } }, 31 V_LAST_VAR 32}; 33 34/* 35 * These attributes will appear in /sys/accessibility/speakup/dummy. 36 */ 37static struct kobj_attribute caps_start_attribute = 38 __ATTR(caps_start, 0644, spk_var_show, spk_var_store); 39static struct kobj_attribute caps_stop_attribute = 40 __ATTR(caps_stop, 0644, spk_var_show, spk_var_store); 41static struct kobj_attribute pitch_attribute = 42 __ATTR(pitch, 0644, spk_var_show, spk_var_store); 43static struct kobj_attribute inflection_attribute = 44 __ATTR(inflection, 0644, spk_var_show, spk_var_store); 45static struct kobj_attribute rate_attribute = 46 __ATTR(rate, 0644, spk_var_show, spk_var_store); 47static struct kobj_attribute tone_attribute = 48 __ATTR(tone, 0644, spk_var_show, spk_var_store); 49static struct kobj_attribute vol_attribute = 50 __ATTR(vol, 0644, spk_var_show, spk_var_store); 51 52static struct kobj_attribute delay_time_attribute = 53 __ATTR(delay_time, 0644, spk_var_show, spk_var_store); 54static struct kobj_attribute direct_attribute = 55 __ATTR(direct, 0644, spk_var_show, spk_var_store); 56static struct kobj_attribute full_time_attribute = 57 __ATTR(full_time, 0644, spk_var_show, spk_var_store); 58static struct kobj_attribute jiffy_delta_attribute = 59 __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store); 60static struct kobj_attribute trigger_time_attribute = 61 __ATTR(trigger_time, 0644, spk_var_show, spk_var_store); 62 63/* 64 * Create a group of attributes so that we can create and destroy them all 65 * at once. 66 */ 67static struct attribute *synth_attrs[] = { 68 &caps_start_attribute.attr, 69 &caps_stop_attribute.attr, 70 &pitch_attribute.attr, 71 &inflection_attribute.attr, 72 &rate_attribute.attr, 73 &tone_attribute.attr, 74 &vol_attribute.attr, 75 &delay_time_attribute.attr, 76 &direct_attribute.attr, 77 &full_time_attribute.attr, 78 &jiffy_delta_attribute.attr, 79 &trigger_time_attribute.attr, 80 NULL, /* need to NULL terminate the list of attributes */ 81}; 82 83static void read_buff_add(u_char c) 84{ 85 pr_info("speakup_dummy: got character %02x\n", c); 86} 87 88static struct spk_synth synth_dummy = { 89 .name = "dummy", 90 .version = DRV_VERSION, 91 .long_name = "Dummy", 92 .init = "Speakup\n", 93 .procspeech = PROCSPEECH, 94 .clear = SYNTH_CLEAR, 95 .delay = 500, 96 .trigger = 50, 97 .jiffies = 50, 98 .full = 40000, 99 .dev_name = SYNTH_DEFAULT_DEV, 100 .startup = SYNTH_START, 101 .checkval = SYNTH_CHECK, 102 .vars = vars, 103 .io_ops = &spk_ttyio_ops, 104 .probe = spk_ttyio_synth_probe, 105 .release = spk_ttyio_release, 106 .synth_immediate = spk_ttyio_synth_immediate, 107 .catch_up = spk_do_catch_up_unicode, 108 .flush = spk_synth_flush, 109 .is_alive = spk_synth_is_alive_restart, 110 .synth_adjust = NULL, 111 .read_buff_add = read_buff_add, 112 .get_index = NULL, 113 .indexing = { 114 .command = NULL, 115 .lowindex = 0, 116 .highindex = 0, 117 .currindex = 0, 118 }, 119 .attributes = { 120 .attrs = synth_attrs, 121 .name = "dummy", 122 }, 123}; 124 125module_param_named(ser, synth_dummy.ser, int, 0444); 126module_param_named(dev, synth_dummy.dev_name, charp, 0444); 127module_param_named(start, synth_dummy.startup, short, 0444); 128 129MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based)."); 130MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer."); 131MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded."); 132 133module_spk_synth(synth_dummy); 134 135MODULE_AUTHOR("Samuel Thibault <samuel.thibault@ens-lyon.org>"); 136MODULE_DESCRIPTION("Speakup support for text console"); 137MODULE_LICENSE("GPL"); 138MODULE_VERSION(DRV_VERSION); 139