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9744f41fe0
This is an enhancement which allows to specify the default driver parameters among the module parameters. Adding default variables to the speakup_spkout module allows to easily set that at boot, rather than setting the sys variables after boot. More details can be found here: https://github.com/linux-speakup/speakup/issues/7 Signed-off-by: Osama Muhammad <osmtendev@gmail.com> Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Link: https://lore.kernel.org/r/20221109215108.7933-13-osmtendev@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
164 lines
5.2 KiB
C
164 lines
5.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* originally written by: Kirk Reiser <kirk@braille.uwo.ca>
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* this version considerably modified by David Borowski, david575@rogers.com
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*
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* Copyright (C) 1998-99 Kirk Reiser.
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* Copyright (C) 2003 David Borowski.
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*
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* specifically written as a driver for the speakup screenreview
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* s not a general device driver.
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*/
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#include "spk_priv.h"
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#include "speakup.h"
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#define DRV_VERSION "2.11"
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#define SYNTH_CLEAR 0x18
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#define PROCSPEECH '\r'
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static void synth_flush(struct spk_synth *synth);
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enum default_vars_id {
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CAPS_START_ID = 0, CAPS_STOP_ID,
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RATE_ID, PITCH_ID,
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VOL_ID, TONE_ID, PUNCT_ID,
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DIRECT_ID, V_LAST_VAR_ID,
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NB_ID
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};
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static struct var_t vars[NB_ID] = {
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[CAPS_START_ID] = { CAPS_START, .u.s = {"\x05P+" } },
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[CAPS_STOP_ID] = { CAPS_STOP, .u.s = {"\x05P-" } },
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[RATE_ID] = { RATE, .u.n = {"\x05R%d", 7, 0, 9, 0, 0, NULL } },
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[PITCH_ID] = { PITCH, .u.n = {"\x05P%d", 3, 0, 9, 0, 0, NULL } },
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[VOL_ID] = { VOL, .u.n = {"\x05V%d", 9, 0, 9, 0, 0, NULL } },
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[TONE_ID] = { TONE, .u.n = {"\x05T%c", 8, 0, 25, 65, 0, NULL } },
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[PUNCT_ID] = { PUNCT, .u.n = {"\x05M%c", 0, 0, 3, 0, 0, "nsma" } },
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[DIRECT_ID] = { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
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V_LAST_VAR
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};
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/* These attributes will appear in /sys/accessibility/speakup/spkout. */
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static struct kobj_attribute caps_start_attribute =
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__ATTR(caps_start, 0644, spk_var_show, spk_var_store);
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static struct kobj_attribute caps_stop_attribute =
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__ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
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static struct kobj_attribute pitch_attribute =
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__ATTR(pitch, 0644, spk_var_show, spk_var_store);
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static struct kobj_attribute punct_attribute =
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__ATTR(punct, 0644, spk_var_show, spk_var_store);
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static struct kobj_attribute rate_attribute =
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__ATTR(rate, 0644, spk_var_show, spk_var_store);
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static struct kobj_attribute tone_attribute =
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__ATTR(tone, 0644, spk_var_show, spk_var_store);
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static struct kobj_attribute vol_attribute =
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__ATTR(vol, 0644, spk_var_show, spk_var_store);
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static struct kobj_attribute delay_time_attribute =
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__ATTR(delay_time, 0644, spk_var_show, spk_var_store);
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static struct kobj_attribute direct_attribute =
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__ATTR(direct, 0644, spk_var_show, spk_var_store);
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static struct kobj_attribute full_time_attribute =
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__ATTR(full_time, 0644, spk_var_show, spk_var_store);
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static struct kobj_attribute jiffy_delta_attribute =
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__ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
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static struct kobj_attribute trigger_time_attribute =
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__ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
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/*
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* Create a group of attributes so that we can create and destroy them all
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* at once.
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*/
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static struct attribute *synth_attrs[] = {
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&caps_start_attribute.attr,
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&caps_stop_attribute.attr,
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&pitch_attribute.attr,
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&punct_attribute.attr,
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&rate_attribute.attr,
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&tone_attribute.attr,
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&vol_attribute.attr,
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&delay_time_attribute.attr,
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&direct_attribute.attr,
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&full_time_attribute.attr,
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&jiffy_delta_attribute.attr,
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&trigger_time_attribute.attr,
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NULL, /* need to NULL terminate the list of attributes */
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};
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static struct spk_synth synth_spkout = {
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.name = "spkout",
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.version = DRV_VERSION,
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.long_name = "Speakout",
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.init = "\005W1\005I2\005C3",
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.procspeech = PROCSPEECH,
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.clear = SYNTH_CLEAR,
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.delay = 500,
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.trigger = 50,
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.jiffies = 50,
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.full = 40000,
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.dev_name = SYNTH_DEFAULT_DEV,
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.startup = SYNTH_START,
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.checkval = SYNTH_CHECK,
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.vars = vars,
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.io_ops = &spk_ttyio_ops,
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.probe = spk_ttyio_synth_probe,
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.release = spk_ttyio_release,
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.synth_immediate = spk_ttyio_synth_immediate,
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.catch_up = spk_do_catch_up,
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.flush = synth_flush,
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.is_alive = spk_synth_is_alive_restart,
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.synth_adjust = NULL,
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.read_buff_add = NULL,
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.get_index = spk_synth_get_index,
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.indexing = {
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.command = "\x05[%c",
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.lowindex = 1,
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.highindex = 5,
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.currindex = 1,
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},
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.attributes = {
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.attrs = synth_attrs,
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.name = "spkout",
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},
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};
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static void synth_flush(struct spk_synth *synth)
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{
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synth->io_ops->flush_buffer(synth);
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synth->io_ops->send_xchar(synth, SYNTH_CLEAR);
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}
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module_param_named(ser, synth_spkout.ser, int, 0444);
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module_param_named(dev, synth_spkout.dev_name, charp, 0444);
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module_param_named(start, synth_spkout.startup, short, 0444);
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module_param_named(rate, vars[RATE_ID].u.n.default_val, int, 0444);
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module_param_named(vol, vars[PITCH_ID].u.n.default_val, int, 0444);
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module_param_named(tone, vars[TONE_ID].u.n.default_val, int, 0444);
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module_param_named(punct, vars[PUNCT_ID].u.n.default_val, int, 0444);
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module_param_named(direct, vars[DIRECT_ID].u.n.default_val, int, 0444);
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MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
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MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
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MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
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MODULE_PARM_DESC(rate, "Set the rate variable on load.");
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MODULE_PARM_DESC(vol, "Set the vol variable on load.");
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MODULE_PARM_DESC(tone, "Set the tone variable on load.");
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MODULE_PARM_DESC(punct, "Set the punct variable on load.");
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MODULE_PARM_DESC(direct, "Set the direct variable on load.");
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module_spk_synth(synth_spkout);
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MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
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MODULE_AUTHOR("David Borowski");
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MODULE_DESCRIPTION("Speakup support for Speak Out synthesizers");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(DRV_VERSION);
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