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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.com5 *6 * Copyright (C) 1998-99 Kirk Reiser.7 * Copyright (C) 2003 David Borowski.8 *9 * specifically written as a driver for the speakup screenreview10 * 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 /* flush synth buffer */17#define PROCSPEECH '\r' /* start synth processing speech char */18 19static int synth_probe(struct spk_synth *synth);20static void synth_flush(struct spk_synth *synth);21 22 23enum default_vars_id {24 CAPS_START_ID = 0, CAPS_STOP_ID,25 RATE_ID, PITCH_ID,26 VOL_ID, TONE_ID, PUNCT_ID,27 DIRECT_ID, V_LAST_VAR_ID,28 NB_ID29};30 31static struct var_t vars[NB_ID] = {32 [CAPS_START_ID] = { CAPS_START, .u.s = {"\x05[f99]" } },33 [CAPS_STOP_ID] = { CAPS_STOP, .u.s = {"\x05[f80]" } },34 [RATE_ID] = { RATE, .u.n = {"\x05[r%d]", 10, 0, 20, 100, -10, NULL } },35 [PITCH_ID] = { PITCH, .u.n = {"\x05[f%d]", 80, 39, 4500, 0, 0, NULL } },36 [VOL_ID] = { VOL, .u.n = {"\x05[g%d]", 21, 0, 40, 0, 0, NULL } },37 [TONE_ID] = { TONE, .u.n = {"\x05[s%d]", 9, 0, 63, 0, 0, NULL } },38 [PUNCT_ID] = { PUNCT, .u.n = {"\x05[A%c]", 0, 0, 3, 0, 0, "nmsa" } },39 [DIRECT_ID] = { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },40 V_LAST_VAR41};42 43/*44 * These attributes will appear in /sys/accessibility/speakup/audptr.45 */46static struct kobj_attribute caps_start_attribute =47 __ATTR(caps_start, 0644, spk_var_show, spk_var_store);48static struct kobj_attribute caps_stop_attribute =49 __ATTR(caps_stop, 0644, spk_var_show, spk_var_store);50static struct kobj_attribute pitch_attribute =51 __ATTR(pitch, 0644, spk_var_show, spk_var_store);52static struct kobj_attribute punct_attribute =53 __ATTR(punct, 0644, spk_var_show, spk_var_store);54static struct kobj_attribute rate_attribute =55 __ATTR(rate, 0644, spk_var_show, spk_var_store);56static struct kobj_attribute tone_attribute =57 __ATTR(tone, 0644, spk_var_show, spk_var_store);58static struct kobj_attribute vol_attribute =59 __ATTR(vol, 0644, spk_var_show, spk_var_store);60 61static struct kobj_attribute delay_time_attribute =62 __ATTR(delay_time, 0644, spk_var_show, spk_var_store);63static struct kobj_attribute direct_attribute =64 __ATTR(direct, 0644, spk_var_show, spk_var_store);65static struct kobj_attribute full_time_attribute =66 __ATTR(full_time, 0644, spk_var_show, spk_var_store);67static struct kobj_attribute jiffy_delta_attribute =68 __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);69static struct kobj_attribute trigger_time_attribute =70 __ATTR(trigger_time, 0644, spk_var_show, spk_var_store);71 72/*73 * Create a group of attributes so that we can create and destroy them all74 * at once.75 */76static struct attribute *synth_attrs[] = {77 &caps_start_attribute.attr,78 &caps_stop_attribute.attr,79 &pitch_attribute.attr,80 &punct_attribute.attr,81 &rate_attribute.attr,82 &tone_attribute.attr,83 &vol_attribute.attr,84 &delay_time_attribute.attr,85 &direct_attribute.attr,86 &full_time_attribute.attr,87 &jiffy_delta_attribute.attr,88 &trigger_time_attribute.attr,89 NULL, /* need to NULL terminate the list of attributes */90};91 92static struct spk_synth synth_audptr = {93 .name = "audptr",94 .version = DRV_VERSION,95 .long_name = "Audapter",96 .init = "\x05[D1]\x05[Ol]",97 .procspeech = PROCSPEECH,98 .clear = SYNTH_CLEAR,99 .delay = 400,100 .trigger = 50,101 .jiffies = 30,102 .full = 18000,103 .dev_name = SYNTH_DEFAULT_DEV,104 .startup = SYNTH_START,105 .checkval = SYNTH_CHECK,106 .vars = vars,107 .io_ops = &spk_ttyio_ops,108 .probe = synth_probe,109 .release = spk_ttyio_release,110 .synth_immediate = spk_ttyio_synth_immediate,111 .catch_up = spk_do_catch_up,112 .flush = synth_flush,113 .is_alive = spk_synth_is_alive_restart,114 .synth_adjust = NULL,115 .read_buff_add = NULL,116 .get_index = NULL,117 .indexing = {118 .command = NULL,119 .lowindex = 0,120 .highindex = 0,121 .currindex = 0,122 },123 .attributes = {124 .attrs = synth_attrs,125 .name = "audptr",126 },127};128 129static void synth_flush(struct spk_synth *synth)130{131 synth->io_ops->flush_buffer(synth);132 synth->io_ops->send_xchar(synth, SYNTH_CLEAR);133 synth->io_ops->synth_out(synth, PROCSPEECH);134}135 136static void synth_version(struct spk_synth *synth)137{138 unsigned i;139 char synth_id[33];140 141 synth->synth_immediate(synth, "\x05[Q]");142 synth_id[0] = synth->io_ops->synth_in(synth);143 if (synth_id[0] != 'A')144 return;145 146 for (i = 1; i < sizeof(synth_id) - 1; i++) {147 /* read version string from synth */148 synth_id[i] = synth->io_ops->synth_in(synth);149 if (synth_id[i] == '\n')150 break;151 }152 synth_id[i] = '\0';153 pr_info("%s version: %s", synth->long_name, synth_id);154}155 156static int synth_probe(struct spk_synth *synth)157{158 int failed;159 160 failed = spk_ttyio_synth_probe(synth);161 if (failed == 0)162 synth_version(synth);163 synth->alive = !failed;164 return 0;165}166 167module_param_named(ser, synth_audptr.ser, int, 0444);168module_param_named(dev, synth_audptr.dev_name, charp, 0444);169module_param_named(start, synth_audptr.startup, short, 0444);170module_param_named(rate, vars[RATE_ID].u.n.default_val, int, 0444);171module_param_named(pitch, vars[PITCH_ID].u.n.default_val, int, 0444);172module_param_named(vol, vars[VOL_ID].u.n.default_val, int, 0444);173module_param_named(tone, vars[TONE_ID].u.n.default_val, int, 0444);174module_param_named(punct, vars[PUNCT_ID].u.n.default_val, int, 0444);175module_param_named(direct, vars[DIRECT_ID].u.n.default_val, int, 0444);176 177 178 179MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");180MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");181MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");182MODULE_PARM_DESC(rate, "Set the rate variable on load.");183MODULE_PARM_DESC(pitch, "Set the pitch variable on load.");184MODULE_PARM_DESC(vol, "Set the vol variable on load.");185MODULE_PARM_DESC(tone, "Set the tone variable on load.");186MODULE_PARM_DESC(punct, "Set the punct variable on load.");187MODULE_PARM_DESC(direct, "Set the direct variable on load.");188 189 190module_spk_synth(synth_audptr);191 192MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");193MODULE_AUTHOR("David Borowski");194MODULE_DESCRIPTION("Speakup support for Audapter synthesizer");195MODULE_LICENSE("GPL");196MODULE_VERSION(DRV_VERSION);197 198