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 * specifically written as a driver for the speakup screenreview 10 * s not a general device driver. 11 */ 12 #include "speakup.h" 13 #include "spk_priv.h" 14 #include "speakup_dtlk.h" /* local header file for LiteTalk values */ 15 16 #define DRV_VERSION "2.11" 17 #define PROCSPEECH 0x0d 18 19 static int synth_probe(struct spk_synth *synth); 20 21 22 enum default_vars_id { 23 CAPS_START_ID = 0, CAPS_STOP_ID, 24 RATE_ID, PITCH_ID, 25 VOL_ID, TONE_ID, PUNCT_ID, 26 VOICE_ID, FREQUENCY_ID, 27 DIRECT_ID, V_LAST_VAR_ID, 28 NB_ID 29 }; 30 31 32 static struct var_t vars[NB_ID] = { 33 [CAPS_START_ID] = { CAPS_START, .u.s = {"\x01+35p" } }, 34 [CAPS_STOP_ID] = { CAPS_STOP, .u.s = {"\x01-35p" } }, 35 [RATE_ID] = { RATE, .u.n = {"\x01%ds", 8, 0, 9, 0, 0, NULL } }, 36 [PITCH_ID] = { PITCH, .u.n = {"\x01%dp", 50, 0, 99, 0, 0, NULL } }, 37 [VOL_ID] = { VOL, .u.n = {"\x01%dv", 5, 0, 9, 0, 0, NULL } }, 38 [TONE_ID] = { TONE, .u.n = {"\x01%dx", 1, 0, 2, 0, 0, NULL } }, 39 [PUNCT_ID] = { PUNCT, .u.n = {"\x01%db", 7, 0, 15, 0, 0, NULL } }, 40 [VOICE_ID] = { VOICE, .u.n = {"\x01%do", 0, 0, 7, 0, 0, NULL } }, 41 [FREQUENCY_ID] = { FREQUENCY, .u.n = {"\x01%df", 5, 0, 9, 0, 0, NULL } }, 42 [DIRECT_ID] = { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } }, 43 V_LAST_VAR 44 }; 45 46 /* 47 * These attributes will appear in /sys/accessibility/speakup/ltlk. 48 */ 49 static struct kobj_attribute caps_start_attribute = 50 __ATTR(caps_start, 0644, spk_var_show, spk_var_store); 51 static struct kobj_attribute caps_stop_attribute = 52 __ATTR(caps_stop, 0644, spk_var_show, spk_var_store); 53 static struct kobj_attribute freq_attribute = 54 __ATTR(freq, 0644, spk_var_show, spk_var_store); 55 static struct kobj_attribute pitch_attribute = 56 __ATTR(pitch, 0644, spk_var_show, spk_var_store); 57 static struct kobj_attribute punct_attribute = 58 __ATTR(punct, 0644, spk_var_show, spk_var_store); 59 static struct kobj_attribute rate_attribute = 60 __ATTR(rate, 0644, spk_var_show, spk_var_store); 61 static struct kobj_attribute tone_attribute = 62 __ATTR(tone, 0644, spk_var_show, spk_var_store); 63 static struct kobj_attribute voice_attribute = 64 __ATTR(voice, 0644, spk_var_show, spk_var_store); 65 static struct kobj_attribute vol_attribute = 66 __ATTR(vol, 0644, spk_var_show, spk_var_store); 67 68 static struct kobj_attribute delay_time_attribute = 69 __ATTR(delay_time, 0644, spk_var_show, spk_var_store); 70 static struct kobj_attribute direct_attribute = 71 __ATTR(direct, 0644, spk_var_show, spk_var_store); 72 static struct kobj_attribute full_time_attribute = 73 __ATTR(full_time, 0644, spk_var_show, spk_var_store); 74 static struct kobj_attribute jiffy_delta_attribute = 75 __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store); 76 static struct kobj_attribute trigger_time_attribute = 77 __ATTR(trigger_time, 0644, spk_var_show, spk_var_store); 78 79 /* 80 * Create a group of attributes so that we can create and destroy them all 81 * at once. 82 */ 83 static struct attribute *synth_attrs[] = { 84 &caps_start_attribute.attr, 85 &caps_stop_attribute.attr, 86 &freq_attribute.attr, 87 &pitch_attribute.attr, 88 &punct_attribute.attr, 89 &rate_attribute.attr, 90 &tone_attribute.attr, 91 &voice_attribute.attr, 92 &vol_attribute.attr, 93 &delay_time_attribute.attr, 94 &direct_attribute.attr, 95 &full_time_attribute.attr, 96 &jiffy_delta_attribute.attr, 97 &trigger_time_attribute.attr, 98 NULL, /* need to NULL terminate the list of attributes */ 99 }; 100 101 static struct spk_synth synth_ltlk = { 102 .name = "ltlk", 103 .version = DRV_VERSION, 104 .long_name = "LiteTalk", 105 .init = "\01@\x01\x31y\n\0", 106 .procspeech = PROCSPEECH, 107 .clear = SYNTH_CLEAR, 108 .delay = 500, 109 .trigger = 50, 110 .jiffies = 50, 111 .full = 40000, 112 .dev_name = SYNTH_DEFAULT_DEV, 113 .startup = SYNTH_START, 114 .checkval = SYNTH_CHECK, 115 .vars = vars, 116 .io_ops = &spk_ttyio_ops, 117 .probe = synth_probe, 118 .release = spk_ttyio_release, 119 .synth_immediate = spk_ttyio_synth_immediate, 120 .catch_up = spk_do_catch_up, 121 .flush = spk_synth_flush, 122 .is_alive = spk_synth_is_alive_restart, 123 .synth_adjust = NULL, 124 .read_buff_add = NULL, 125 .get_index = spk_synth_get_index, 126 .indexing = { 127 .command = "\x01%di", 128 .lowindex = 1, 129 .highindex = 5, 130 .currindex = 1, 131 }, 132 .attributes = { 133 .attrs = synth_attrs, 134 .name = "ltlk", 135 }, 136 }; 137 138 /* interrogate the LiteTalk and print its settings */ 139 static void synth_interrogate(struct spk_synth *synth) 140 { 141 unsigned char *t, i; 142 unsigned char buf[50], rom_v[20]; 143 144 synth->synth_immediate(synth, "\x18\x01?"); 145 for (i = 0; i < 50; i++) { 146 buf[i] = synth->io_ops->synth_in(synth); 147 if (i > 2 && buf[i] == 0x7f) 148 break; 149 } 150 t = buf + 2; 151 for (i = 0; *t != '\r'; t++) { 152 rom_v[i] = *t; 153 if (++i >= 19) 154 break; 155 } 156 rom_v[i] = 0; 157 pr_info("%s: ROM version: %s\n", synth->long_name, rom_v); 158 } 159 160 static int synth_probe(struct spk_synth *synth) 161 { 162 int failed = 0; 163 164 failed = spk_ttyio_synth_probe(synth); 165 if (failed == 0) 166 synth_interrogate(synth); 167 synth->alive = !failed; 168 return failed; 169 } 170 171 module_param_named(ser, synth_ltlk.ser, int, 0444); 172 module_param_named(dev, synth_ltlk.dev_name, charp, 0444); 173 module_param_named(start, synth_ltlk.startup, short, 0444); 174 module_param_named(rate, vars[RATE_ID].u.n.default_val, int, 0444); 175 module_param_named(pitch, vars[PITCH_ID].u.n.default_val, int, 0444); 176 module_param_named(vol, vars[VOL_ID].u.n.default_val, int, 0444); 177 module_param_named(tone, vars[TONE_ID].u.n.default_val, int, 0444); 178 module_param_named(punct, vars[PUNCT_ID].u.n.default_val, int, 0444); 179 module_param_named(voice, vars[VOICE_ID].u.n.default_val, int, 0444); 180 module_param_named(frequency, vars[FREQUENCY_ID].u.n.default_val, int, 0444); 181 module_param_named(direct, vars[DIRECT_ID].u.n.default_val, int, 0444); 182 183 184 185 186 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based)."); 187 MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer."); 188 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded."); 189 MODULE_PARM_DESC(rate, "Set the rate variable on load."); 190 MODULE_PARM_DESC(pitch, "Set the pitch variable on load."); 191 MODULE_PARM_DESC(vol, "Set the vol variable on load."); 192 MODULE_PARM_DESC(tone, "Set the tone variable on load."); 193 MODULE_PARM_DESC(punct, "Set the punct variable on load."); 194 MODULE_PARM_DESC(voice, "Set the voice variable on load."); 195 MODULE_PARM_DESC(frequency, "Set the frequency variable on load."); 196 MODULE_PARM_DESC(direct, "Set the direct variable on load."); 197 198 199 module_spk_synth(synth_ltlk); 200 201 MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>"); 202 MODULE_AUTHOR("David Borowski"); 203 MODULE_DESCRIPTION("Speakup support for DoubleTalk LT/LiteTalk synthesizers"); 204 MODULE_LICENSE("GPL"); 205 MODULE_VERSION(DRV_VERSION); 206 207