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path: root/drivers/accessibility/speakup/speakup_ltlk.c
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-rw-r--r--drivers/accessibility/speakup/speakup_ltlk.c206
1 files changed, 206 insertions, 0 deletions
diff --git a/drivers/accessibility/speakup/speakup_ltlk.c b/drivers/accessibility/speakup/speakup_ltlk.c
new file mode 100644
index 0000000000..1e279ae143
--- /dev/null
+++ b/drivers/accessibility/speakup/speakup_ltlk.c
@@ -0,0 +1,206 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * originally written by: Kirk Reiser <kirk@braille.uwo.ca>
+ * this version considerably modified by David Borowski, david575@rogers.com
+ *
+ * Copyright (C) 1998-99 Kirk Reiser.
+ * Copyright (C) 2003 David Borowski.
+ *
+ * specifically written as a driver for the speakup screenreview
+ * s not a general device driver.
+ */
+#include "speakup.h"
+#include "spk_priv.h"
+#include "speakup_dtlk.h" /* local header file for LiteTalk values */
+
+#define DRV_VERSION "2.11"
+#define PROCSPEECH 0x0d
+
+static int synth_probe(struct spk_synth *synth);
+
+
+enum default_vars_id {
+ CAPS_START_ID = 0, CAPS_STOP_ID,
+ RATE_ID, PITCH_ID,
+ VOL_ID, TONE_ID, PUNCT_ID,
+ VOICE_ID, FREQUENCY_ID,
+ DIRECT_ID, V_LAST_VAR_ID,
+ NB_ID
+};
+
+
+static struct var_t vars[NB_ID] = {
+ [CAPS_START_ID] = { CAPS_START, .u.s = {"\x01+35p" } },
+ [CAPS_STOP_ID] = { CAPS_STOP, .u.s = {"\x01-35p" } },
+ [RATE_ID] = { RATE, .u.n = {"\x01%ds", 8, 0, 9, 0, 0, NULL } },
+ [PITCH_ID] = { PITCH, .u.n = {"\x01%dp", 50, 0, 99, 0, 0, NULL } },
+ [VOL_ID] = { VOL, .u.n = {"\x01%dv", 5, 0, 9, 0, 0, NULL } },
+ [TONE_ID] = { TONE, .u.n = {"\x01%dx", 1, 0, 2, 0, 0, NULL } },
+ [PUNCT_ID] = { PUNCT, .u.n = {"\x01%db", 7, 0, 15, 0, 0, NULL } },
+ [VOICE_ID] = { VOICE, .u.n = {"\x01%do", 0, 0, 7, 0, 0, NULL } },
+ [FREQUENCY_ID] = { FREQUENCY, .u.n = {"\x01%df", 5, 0, 9, 0, 0, NULL } },
+ [DIRECT_ID] = { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
+ V_LAST_VAR
+};
+
+/*
+ * These attributes will appear in /sys/accessibility/speakup/ltlk.
+ */
+static struct kobj_attribute caps_start_attribute =
+ __ATTR(caps_start, 0644, spk_var_show, spk_var_store);
+static struct kobj_attribute caps_stop_attribute =
+ __ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
+static struct kobj_attribute freq_attribute =
+ __ATTR(freq, 0644, spk_var_show, spk_var_store);
+static struct kobj_attribute pitch_attribute =
+ __ATTR(pitch, 0644, spk_var_show, spk_var_store);
+static struct kobj_attribute punct_attribute =
+ __ATTR(punct, 0644, spk_var_show, spk_var_store);
+static struct kobj_attribute rate_attribute =
+ __ATTR(rate, 0644, spk_var_show, spk_var_store);
+static struct kobj_attribute tone_attribute =
+ __ATTR(tone, 0644, spk_var_show, spk_var_store);
+static struct kobj_attribute voice_attribute =
+ __ATTR(voice, 0644, spk_var_show, spk_var_store);
+static struct kobj_attribute vol_attribute =
+ __ATTR(vol, 0644, spk_var_show, spk_var_store);
+
+static struct kobj_attribute delay_time_attribute =
+ __ATTR(delay_time, 0644, spk_var_show, spk_var_store);
+static struct kobj_attribute direct_attribute =
+ __ATTR(direct, 0644, spk_var_show, spk_var_store);
+static struct kobj_attribute full_time_attribute =
+ __ATTR(full_time, 0644, spk_var_show, spk_var_store);
+static struct kobj_attribute jiffy_delta_attribute =
+ __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
+static struct kobj_attribute trigger_time_attribute =
+ __ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
+
+/*
+ * Create a group of attributes so that we can create and destroy them all
+ * at once.
+ */
+static struct attribute *synth_attrs[] = {
+ &caps_start_attribute.attr,
+ &caps_stop_attribute.attr,
+ &freq_attribute.attr,
+ &pitch_attribute.attr,
+ &punct_attribute.attr,
+ &rate_attribute.attr,
+ &tone_attribute.attr,
+ &voice_attribute.attr,
+ &vol_attribute.attr,
+ &delay_time_attribute.attr,
+ &direct_attribute.attr,
+ &full_time_attribute.attr,
+ &jiffy_delta_attribute.attr,
+ &trigger_time_attribute.attr,
+ NULL, /* need to NULL terminate the list of attributes */
+};
+
+static struct spk_synth synth_ltlk = {
+ .name = "ltlk",
+ .version = DRV_VERSION,
+ .long_name = "LiteTalk",
+ .init = "\01@\x01\x31y\n\0",
+ .procspeech = PROCSPEECH,
+ .clear = SYNTH_CLEAR,
+ .delay = 500,
+ .trigger = 50,
+ .jiffies = 50,
+ .full = 40000,
+ .dev_name = SYNTH_DEFAULT_DEV,
+ .startup = SYNTH_START,
+ .checkval = SYNTH_CHECK,
+ .vars = vars,
+ .io_ops = &spk_ttyio_ops,
+ .probe = synth_probe,
+ .release = spk_ttyio_release,
+ .synth_immediate = spk_ttyio_synth_immediate,
+ .catch_up = spk_do_catch_up,
+ .flush = spk_synth_flush,
+ .is_alive = spk_synth_is_alive_restart,
+ .synth_adjust = NULL,
+ .read_buff_add = NULL,
+ .get_index = spk_synth_get_index,
+ .indexing = {
+ .command = "\x01%di",
+ .lowindex = 1,
+ .highindex = 5,
+ .currindex = 1,
+ },
+ .attributes = {
+ .attrs = synth_attrs,
+ .name = "ltlk",
+ },
+};
+
+/* interrogate the LiteTalk and print its settings */
+static void synth_interrogate(struct spk_synth *synth)
+{
+ unsigned char *t, i;
+ unsigned char buf[50], rom_v[20];
+
+ synth->synth_immediate(synth, "\x18\x01?");
+ for (i = 0; i < 50; i++) {
+ buf[i] = synth->io_ops->synth_in(synth);
+ if (i > 2 && buf[i] == 0x7f)
+ break;
+ }
+ t = buf + 2;
+ for (i = 0; *t != '\r'; t++) {
+ rom_v[i] = *t;
+ if (++i >= 19)
+ break;
+ }
+ rom_v[i] = 0;
+ pr_info("%s: ROM version: %s\n", synth->long_name, rom_v);
+}
+
+static int synth_probe(struct spk_synth *synth)
+{
+ int failed = 0;
+
+ failed = spk_ttyio_synth_probe(synth);
+ if (failed == 0)
+ synth_interrogate(synth);
+ synth->alive = !failed;
+ return failed;
+}
+
+module_param_named(ser, synth_ltlk.ser, int, 0444);
+module_param_named(dev, synth_ltlk.dev_name, charp, 0444);
+module_param_named(start, synth_ltlk.startup, short, 0444);
+module_param_named(rate, vars[RATE_ID].u.n.default_val, int, 0444);
+module_param_named(pitch, vars[PITCH_ID].u.n.default_val, int, 0444);
+module_param_named(vol, vars[VOL_ID].u.n.default_val, int, 0444);
+module_param_named(tone, vars[TONE_ID].u.n.default_val, int, 0444);
+module_param_named(punct, vars[PUNCT_ID].u.n.default_val, int, 0444);
+module_param_named(voice, vars[VOICE_ID].u.n.default_val, int, 0444);
+module_param_named(frequency, vars[FREQUENCY_ID].u.n.default_val, int, 0444);
+module_param_named(direct, vars[DIRECT_ID].u.n.default_val, int, 0444);
+
+
+
+
+MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
+MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
+MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
+MODULE_PARM_DESC(rate, "Set the rate variable on load.");
+MODULE_PARM_DESC(pitch, "Set the pitch variable on load.");
+MODULE_PARM_DESC(vol, "Set the vol variable on load.");
+MODULE_PARM_DESC(tone, "Set the tone variable on load.");
+MODULE_PARM_DESC(punct, "Set the punct variable on load.");
+MODULE_PARM_DESC(voice, "Set the voice variable on load.");
+MODULE_PARM_DESC(frequency, "Set the frequency variable on load.");
+MODULE_PARM_DESC(direct, "Set the direct variable on load.");
+
+
+module_spk_synth(synth_ltlk);
+
+MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
+MODULE_AUTHOR("David Borowski");
+MODULE_DESCRIPTION("Speakup support for DoubleTalk LT/LiteTalk synthesizers");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_VERSION);
+