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 * this code is specifically written as a driver for the speakup screenreview 10 * package and is 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' 18 19 static struct var_t vars[] = { 20 { CAPS_START, .u.s = {"\x05\x31\x32P" } }, 21 { CAPS_STOP, .u.s = {"\x05\x38P" } }, 22 { RATE, .u.n = {"\x05%dE", 8, 1, 16, 0, 0, NULL } }, 23 { PITCH, .u.n = {"\x05%dP", 8, 0, 16, 0, 0, NULL } }, 24 { VOL, .u.n = {"\x05%dV", 8, 0, 16, 0, 0, NULL } }, 25 { TONE, .u.n = {"\x05%dT", 8, 0, 16, 0, 0, NULL } }, 26 { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } }, 27 V_LAST_VAR 28 }; 29 30 /* 31 * These attributes will appear in /sys/accessibility/speakup/bns. 32 */ 33 static struct kobj_attribute caps_start_attribute = 34 __ATTR(caps_start, 0644, spk_var_show, spk_var_store); 35 static struct kobj_attribute caps_stop_attribute = 36 __ATTR(caps_stop, 0644, spk_var_show, spk_var_store); 37 static struct kobj_attribute pitch_attribute = 38 __ATTR(pitch, 0644, spk_var_show, spk_var_store); 39 static struct kobj_attribute rate_attribute = 40 __ATTR(rate, 0644, spk_var_show, spk_var_store); 41 static struct kobj_attribute tone_attribute = 42 __ATTR(tone, 0644, spk_var_show, spk_var_store); 43 static struct kobj_attribute vol_attribute = 44 __ATTR(vol, 0644, spk_var_show, spk_var_store); 45 46 static struct kobj_attribute delay_time_attribute = 47 __ATTR(delay_time, 0644, spk_var_show, spk_var_store); 48 static struct kobj_attribute direct_attribute = 49 __ATTR(direct, 0644, spk_var_show, spk_var_store); 50 static struct kobj_attribute full_time_attribute = 51 __ATTR(full_time, 0644, spk_var_show, spk_var_store); 52 static struct kobj_attribute jiffy_delta_attribute = 53 __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store); 54 static struct kobj_attribute trigger_time_attribute = 55 __ATTR(trigger_time, 0644, spk_var_show, spk_var_store); 56 57 /* 58 * Create a group of attributes so that we can create and destroy them all 59 * at once. 60 */ 61 static struct attribute *synth_attrs[] = { 62 &caps_start_attribute.attr, 63 &caps_stop_attribute.attr, 64 &pitch_attribute.attr, 65 &rate_attribute.attr, 66 &tone_attribute.attr, 67 &vol_attribute.attr, 68 &delay_time_attribute.attr, 69 &direct_attribute.attr, 70 &full_time_attribute.attr, 71 &jiffy_delta_attribute.attr, 72 &trigger_time_attribute.attr, 73 NULL, /* need to NULL terminate the list of attributes */ 74 }; 75 76 static struct spk_synth synth_bns = { 77 .name = "bns", 78 .version = DRV_VERSION, 79 .long_name = "Braille 'N Speak", 80 .init = "\x05Z\x05\x43", 81 .procspeech = PROCSPEECH, 82 .clear = SYNTH_CLEAR, 83 .delay = 500, 84 .trigger = 50, 85 .jiffies = 50, 86 .full = 40000, 87 .dev_name = SYNTH_DEFAULT_DEV, 88 .startup = SYNTH_START, 89 .checkval = SYNTH_CHECK, 90 .vars = vars, 91 .io_ops = &spk_ttyio_ops, 92 .probe = spk_ttyio_synth_probe, 93 .release = spk_ttyio_release, 94 .synth_immediate = spk_ttyio_synth_immediate, 95 .catch_up = spk_do_catch_up, 96 .flush = spk_synth_flush, 97 .is_alive = spk_synth_is_alive_restart, 98 .synth_adjust = NULL, 99 .read_buff_add = NULL, 100 .get_index = NULL, 101 .indexing = { 102 .command = NULL, 103 .lowindex = 0, 104 .highindex = 0, 105 .currindex = 0, 106 }, 107 .attributes = { 108 .attrs = synth_attrs, 109 .name = "bns", 110 }, 111 }; 112 113 module_param_named(ser, synth_bns.ser, int, 0444); 114 module_param_named(dev, synth_bns.dev_name, charp, 0444); 115 module_param_named(start, synth_bns.startup, short, 0444); 116 117 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based)."); 118 MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer."); 119 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded."); 120 121 module_spk_synth(synth_bns); 122 123 MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>"); 124 MODULE_AUTHOR("David Borowski"); 125 MODULE_DESCRIPTION("Speakup support for Braille 'n Speak synthesizers"); 126 MODULE_LICENSE("GPL"); 127 MODULE_VERSION(DRV_VERSION); 128 129