drivers/accessibility/speakup/speakup_dummy.c

   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
  21
  22 enum default_vars_id {
  23         CAPS_START_ID = 0, CAPS_STOP_ID,
  24         PAUSE_ID,
  25         RATE_ID, PITCH_ID, INFLECTION_ID,
  26         VOL_ID, TONE_ID, PUNCT_ID,
  27         DIRECT_ID, V_LAST_VAR_ID,
  28         NB_ID
  29 };
  30
  31
  32
  33
  34 static struct var_t vars[NB_ID] = {
  35         [CAPS_START_ID] = { CAPS_START, .u.s = {"CAPS_START\n" } },
  36         [CAPS_STOP_ID] = { CAPS_STOP, .u.s = {"CAPS_STOP\n" } },
  37         [PAUSE_ID] = { PAUSE, .u.s = {"PAUSE\n"} },
  38         [RATE_ID] = { RATE, .u.n = {"RATE %d\n", 8, 1, 16, 0, 0, NULL } },
  39         [PITCH_ID] = { PITCH, .u.n = {"PITCH %d\n", 8, 0, 16, 0, 0, NULL } },
  40         [INFLECTION_ID] = { INFLECTION, .u.n = {"INFLECTION %d\n", 8, 0, 16, 0, 0, NULL } },
  41         [VOL_ID] = { VOL, .u.n = {"VOL %d\n", 8, 0, 16, 0, 0, NULL } },
  42         [TONE_ID] = { TONE, .u.n = {"TONE %d\n", 8, 0, 16, 0, 0, NULL } },
  43         [PUNCT_ID] = { PUNCT, .u.n = {"PUNCT %d\n", 0, 0, 3, 0, 0, NULL } },
  44         [DIRECT_ID] = { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
  45         V_LAST_VAR
  46 };
  47
  48 /*
  49  * These attributes will appear in /sys/accessibility/speakup/dummy.
  50  */
  51 static struct kobj_attribute caps_start_attribute =
  52         __ATTR(caps_start, 0644, spk_var_show, spk_var_store);
  53 static struct kobj_attribute caps_stop_attribute =
  54         __ATTR(caps_stop, 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 inflection_attribute =
  58         __ATTR(inflection, 0644, spk_var_show, spk_var_store);
  59 static struct kobj_attribute punct_attribute =
  60         __ATTR(punct, 0644, spk_var_show, spk_var_store);
  61 static struct kobj_attribute rate_attribute =
  62         __ATTR(rate, 0644, spk_var_show, spk_var_store);
  63 static struct kobj_attribute tone_attribute =
  64         __ATTR(tone, 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         &pitch_attribute.attr,
  87         &inflection_attribute.attr,
  88         &punct_attribute.attr,
  89         &rate_attribute.attr,
  90         &tone_attribute.attr,
  91         &vol_attribute.attr,
  92         &delay_time_attribute.attr,
  93         &direct_attribute.attr,
  94         &full_time_attribute.attr,
  95         &jiffy_delta_attribute.attr,
  96         &trigger_time_attribute.attr,
  97         NULL,   /* need to NULL terminate the list of attributes */
  98 };
  99
 100 static void read_buff_add(u_char c)
 101 {
 102         pr_info("speakup_dummy: got character %02x\n", c);
 103 }
 104
 105 static struct spk_synth synth_dummy = {
 106         .name = "dummy",
 107         .version = DRV_VERSION,
 108         .long_name = "Dummy",
 109         .init = "Speakup\n",
 110         .procspeech = PROCSPEECH,
 111         .clear = SYNTH_CLEAR,
 112         .delay = 500,
 113         .trigger = 50,
 114         .jiffies = 50,
 115         .full = 40000,
 116         .dev_name = SYNTH_DEFAULT_DEV,
 117         .startup = SYNTH_START,
 118         .checkval = SYNTH_CHECK,
 119         .vars = vars,
 120         .io_ops = &spk_ttyio_ops,
 121         .probe = spk_ttyio_synth_probe,
 122         .release = spk_ttyio_release,
 123         .synth_immediate = spk_ttyio_synth_immediate,
 124         .catch_up = spk_do_catch_up_unicode,
 125         .flush = spk_synth_flush,
 126         .is_alive = spk_synth_is_alive_restart,
 127         .synth_adjust = NULL,
 128         .read_buff_add = read_buff_add,
 129         .get_index = NULL,
 130         .indexing = {
 131                 .command = NULL,
 132                 .lowindex = 0,
 133                 .highindex = 0,
 134                 .currindex = 0,
 135         },
 136         .attributes = {
 137                 .attrs = synth_attrs,
 138                 .name = "dummy",
 139         },
 140 };
 141
 142 module_param_named(ser, synth_dummy.ser, int, 0444);
 143 module_param_named(dev, synth_dummy.dev_name, charp, 0444);
 144 module_param_named(start, synth_dummy.startup, short, 0444);
 145 module_param_named(rate, vars[RATE_ID].u.n.default_val, int, 0444);
 146 module_param_named(pitch, vars[PITCH_ID].u.n.default_val, int, 0444);
 147 module_param_named(inflection, vars[INFLECTION_ID].u.n.default_val, int, 0444);
 148 module_param_named(vol, vars[VOL_ID].u.n.default_val, int, 0444);
 149 module_param_named(tone, vars[TONE_ID].u.n.default_val, int, 0444);
 150 module_param_named(punct, vars[PUNCT_ID].u.n.default_val, int, 0444);
 151 module_param_named(direct, vars[DIRECT_ID].u.n.default_val, int, 0444);
 152
 153
 154
 155
 156 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
 157 MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
 158 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
 159 MODULE_PARM_DESC(rate, "Set the rate variable on load.");
 160 MODULE_PARM_DESC(pitch, "Set the pitch variable on load.");
 161 MODULE_PARM_DESC(inflection, "Set the inflection variable on load.");
 162 MODULE_PARM_DESC(vol, "Set the vol variable on load.");
 163 MODULE_PARM_DESC(tone, "Set the tone variable on load.");
 164 MODULE_PARM_DESC(punct, "Set the punct variable on load.");
 165 MODULE_PARM_DESC(direct, "Set the direct variable on load.");
 166
 167
 168 module_spk_synth(synth_dummy);
 169
 170 MODULE_AUTHOR("Samuel Thibault <samuel.thibault@ens-lyon.org>");
 171 MODULE_DESCRIPTION("Speakup support for text console");
 172 MODULE_LICENSE("GPL");
 173 MODULE_VERSION(DRV_VERSION);
 174