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 * specificly written as a driver for the speakup screenreview 10 * s 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 void synth_flush(struct spk_synth *synth); 20 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 } }, 30 V_LAST_VAR 31 }; 32 33 /* These attributes will appear in /sys/accessibility/speakup/spkout. */ 34 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); 49 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); 60 61 /* 62 * Create a group of attributes so that we can create and destroy them all 63 * at once. 64 */ 65 static struct attribute *synth_attrs[] = { 66 &caps_start_attribute.attr, 67 &caps_stop_attribute.attr, 68 &pitch_attribute.attr, 69 &punct_attribute.attr, 70 &rate_attribute.attr, 71 &tone_attribute.attr, 72 &vol_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 */ 79 }; 80 81 static struct spk_synth synth_spkout = { 82 .name = "spkout", 83 .version = DRV_VERSION, 84 .long_name = "Speakout", 85 .init = "\005W1\005I2\005C3", 86 .procspeech = PROCSPEECH, 87 .clear = SYNTH_CLEAR, 88 .delay = 500, 89 .trigger = 50, 90 .jiffies = 50, 91 .full = 40000, 92 .dev_name = SYNTH_DEFAULT_DEV, 93 .startup = SYNTH_START, 94 .checkval = SYNTH_CHECK, 95 .vars = vars, 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, 106 .indexing = { 107 .command = "\x05[%c", 108 .lowindex = 1, 109 .highindex = 5, 110 .currindex = 1, 111 }, 112 .attributes = { 113 .attrs = synth_attrs, 114 .name = "spkout", 115 }, 116 }; 117 118 static void synth_flush(struct spk_synth *synth) 119 { 120 synth->io_ops->flush_buffer(synth); 121 synth->io_ops->send_xchar(synth, SYNTH_CLEAR); 122 } 123 124 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); 127 128 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."); 131 132 module_spk_synth(synth_spkout); 133 134 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); 139 140