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 "spk_priv.h" 13 #include "speakup.h" 14 15 #define DRV_VERSION "2.11" 16 #define SYNTH_CLEAR 0x18 17 #define PROCSPEECH '\r' /* process speech char */ 18 19 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, 26 DIRECT_ID, V_LAST_VAR_ID, 27 NB_ID 28 }; 29 30 31 32 33 34 static struct var_t vars[NB_ID] = { 35 [CAPS_START_ID] = { CAPS_START, .u.s = {"\x05P8" } }, 36 [CAPS_STOP_ID] = { CAPS_STOP, .u.s = {"\x05P5" } }, 37 [RATE_ID] = { RATE, .u.n = {"\x05R%d", 5, 0, 9, 0, 0, NULL } }, 38 [PITCH_ID] = { PITCH, .u.n = {"\x05P%d", 5, 0, 9, 0, 0, NULL } }, 39 [VOL_ID] = { VOL, .u.n = {"\x05V%d", 5, 0, 9, 0, 0, NULL } }, 40 [TONE_ID] = { TONE, .u.n = {"\x05T%c", 12, 0, 25, 61, 0, NULL } }, 41 [DIRECT_ID] = { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } }, 42 V_LAST_VAR 43 }; 44 45 /* These attributes will appear in /sys/accessibility/speakup/txprt. */ 46 47 static struct kobj_attribute caps_start_attribute = 48 __ATTR(caps_start, 0644, spk_var_show, spk_var_store); 49 static struct kobj_attribute caps_stop_attribute = 50 __ATTR(caps_stop, 0644, spk_var_show, spk_var_store); 51 static struct kobj_attribute pitch_attribute = 52 __ATTR(pitch, 0644, spk_var_show, spk_var_store); 53 static struct kobj_attribute rate_attribute = 54 __ATTR(rate, 0644, spk_var_show, spk_var_store); 55 static struct kobj_attribute tone_attribute = 56 __ATTR(tone, 0644, spk_var_show, spk_var_store); 57 static struct kobj_attribute vol_attribute = 58 __ATTR(vol, 0644, spk_var_show, spk_var_store); 59 60 static struct kobj_attribute delay_time_attribute = 61 __ATTR(delay_time, 0644, spk_var_show, spk_var_store); 62 static struct kobj_attribute direct_attribute = 63 __ATTR(direct, 0644, spk_var_show, spk_var_store); 64 static struct kobj_attribute full_time_attribute = 65 __ATTR(full_time, 0644, spk_var_show, spk_var_store); 66 static struct kobj_attribute jiffy_delta_attribute = 67 __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store); 68 static struct kobj_attribute trigger_time_attribute = 69 __ATTR(trigger_time, 0644, spk_var_show, spk_var_store); 70 71 /* 72 * Create a group of attributes so that we can create and destroy them all 73 * at once. 74 */ 75 static struct attribute *synth_attrs[] = { 76 &caps_start_attribute.attr, 77 &caps_stop_attribute.attr, 78 &pitch_attribute.attr, 79 &rate_attribute.attr, 80 &tone_attribute.attr, 81 &vol_attribute.attr, 82 &delay_time_attribute.attr, 83 &direct_attribute.attr, 84 &full_time_attribute.attr, 85 &jiffy_delta_attribute.attr, 86 &trigger_time_attribute.attr, 87 NULL, /* need to NULL terminate the list of attributes */ 88 }; 89 90 static struct spk_synth synth_txprt = { 91 .name = "txprt", 92 .version = DRV_VERSION, 93 .long_name = "Transport", 94 .init = "\x05N1", 95 .procspeech = PROCSPEECH, 96 .clear = SYNTH_CLEAR, 97 .delay = 500, 98 .trigger = 50, 99 .jiffies = 50, 100 .full = 40000, 101 .dev_name = SYNTH_DEFAULT_DEV, 102 .startup = SYNTH_START, 103 .checkval = SYNTH_CHECK, 104 .vars = vars, 105 .io_ops = &spk_ttyio_ops, 106 .probe = spk_ttyio_synth_probe, 107 .release = spk_ttyio_release, 108 .synth_immediate = spk_ttyio_synth_immediate, 109 .catch_up = spk_do_catch_up, 110 .flush = spk_synth_flush, 111 .is_alive = spk_synth_is_alive_restart, 112 .synth_adjust = NULL, 113 .read_buff_add = NULL, 114 .get_index = NULL, 115 .indexing = { 116 .command = NULL, 117 .lowindex = 0, 118 .highindex = 0, 119 .currindex = 0, 120 }, 121 .attributes = { 122 .attrs = synth_attrs, 123 .name = "txprt", 124 }, 125 }; 126 127 module_param_named(ser, synth_txprt.ser, int, 0444); 128 module_param_named(dev, synth_txprt.dev_name, charp, 0444); 129 module_param_named(start, synth_txprt.startup, short, 0444); 130 module_param_named(rate, vars[RATE_ID].u.n.default_val, int, 0444); 131 module_param_named(pitch, vars[PITCH_ID].u.n.default_val, int, 0444); 132 module_param_named(vol, vars[VOL_ID].u.n.default_val, int, 0444); 133 module_param_named(tone, vars[TONE_ID].u.n.default_val, int, 0444); 134 module_param_named(direct, vars[DIRECT_ID].u.n.default_val, int, 0444); 135 136 137 138 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based)."); 139 MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer."); 140 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded."); 141 MODULE_PARM_DESC(rate, "Set the rate variable on load."); 142 MODULE_PARM_DESC(pitch, "Set the pitch variable on load."); 143 MODULE_PARM_DESC(vol, "Set the vol variable on load."); 144 MODULE_PARM_DESC(tone, "Set the tone variable on load."); 145 MODULE_PARM_DESC(direct, "Set the direct variable on load."); 146 147 148 149 module_spk_synth(synth_txprt); 150 151 MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>"); 152 MODULE_AUTHOR("David Borowski"); 153 MODULE_DESCRIPTION("Speakup support for Transport synthesizers"); 154 MODULE_LICENSE("GPL"); 155 MODULE_VERSION(DRV_VERSION); 156 157