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- /*
- * 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.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * this code is specificly written as a driver for the speakup screenreview
- * package and is not a general device driver.
- */
- #include <linux/jiffies.h>
- #include <linux/sched.h>
- #include <linux/timer.h>
- #include <linux/kthread.h>
- #include "spk_priv.h"
- #include "serialio.h"
- #include "speakup.h"
- #define DRV_VERSION "2.21"
- #define SYNTH_CLEAR 0x18
- #define PROCSPEECH '\r'
- static void do_catch_up(struct spk_synth *synth);
- static struct var_t vars[] = {
- { CAPS_START, .u.s = {"cap, " } },
- { CAPS_STOP, .u.s = {"" } },
- { RATE, .u.n = {"@W%d", 6, 1, 9, 0, 0, NULL } },
- { PITCH, .u.n = {"@F%x", 10, 0, 15, 0, 0, NULL } },
- { VOL, .u.n = {"@A%x", 10, 0, 15, 0, 0, NULL } },
- { VOICE, .u.n = {"@V%d", 1, 1, 6, 0, 0, NULL } },
- { LANG, .u.n = {"@=%d,", 1, 1, 4, 0, 0, NULL } },
- { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
- V_LAST_VAR
- };
- /*
- * These attributes will appear in /sys/accessibility/speakup/apollo.
- */
- static struct kobj_attribute caps_start_attribute =
- __ATTR(caps_start, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
- static struct kobj_attribute caps_stop_attribute =
- __ATTR(caps_stop, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
- static struct kobj_attribute lang_attribute =
- __ATTR(lang, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
- static struct kobj_attribute pitch_attribute =
- __ATTR(pitch, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
- static struct kobj_attribute rate_attribute =
- __ATTR(rate, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
- static struct kobj_attribute voice_attribute =
- __ATTR(voice, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
- static struct kobj_attribute vol_attribute =
- __ATTR(vol, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
- static struct kobj_attribute delay_time_attribute =
- __ATTR(delay_time, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
- static struct kobj_attribute direct_attribute =
- __ATTR(direct, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
- static struct kobj_attribute full_time_attribute =
- __ATTR(full_time, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
- static struct kobj_attribute jiffy_delta_attribute =
- __ATTR(jiffy_delta, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
- static struct kobj_attribute trigger_time_attribute =
- __ATTR(trigger_time, S_IWUSR|S_IRUGO, 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,
- &lang_attribute.attr,
- &pitch_attribute.attr,
- &rate_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_apollo = {
- .name = "apollo",
- .version = DRV_VERSION,
- .long_name = "Apollo",
- .init = "@R3@D0@K1\r",
- .procspeech = PROCSPEECH,
- .clear = SYNTH_CLEAR,
- .delay = 500,
- .trigger = 50,
- .jiffies = 50,
- .full = 40000,
- .startup = SYNTH_START,
- .checkval = SYNTH_CHECK,
- .vars = vars,
- .probe = spk_serial_synth_probe,
- .release = spk_serial_release,
- .synth_immediate = spk_synth_immediate,
- .catch_up = do_catch_up,
- .flush = spk_synth_flush,
- .is_alive = spk_synth_is_alive_restart,
- .synth_adjust = NULL,
- .read_buff_add = NULL,
- .get_index = NULL,
- .indexing = {
- .command = NULL,
- .lowindex = 0,
- .highindex = 0,
- .currindex = 0,
- },
- .attributes = {
- .attrs = synth_attrs,
- .name = "apollo",
- },
- };
- static void do_catch_up(struct spk_synth *synth)
- {
- u_char ch;
- unsigned long flags;
- unsigned long jiff_max;
- struct var_t *jiffy_delta;
- struct var_t *delay_time;
- struct var_t *full_time;
- int full_time_val = 0;
- int delay_time_val = 0;
- int jiffy_delta_val = 0;
- jiffy_delta = spk_get_var(JIFFY);
- delay_time = spk_get_var(DELAY);
- full_time = spk_get_var(FULL);
- spin_lock_irqsave(&speakup_info.spinlock, flags);
- jiffy_delta_val = jiffy_delta->u.n.value;
- spin_unlock_irqrestore(&speakup_info.spinlock, flags);
- jiff_max = jiffies + jiffy_delta_val;
- while (!kthread_should_stop()) {
- spin_lock_irqsave(&speakup_info.spinlock, flags);
- jiffy_delta_val = jiffy_delta->u.n.value;
- full_time_val = full_time->u.n.value;
- delay_time_val = delay_time->u.n.value;
- if (speakup_info.flushing) {
- speakup_info.flushing = 0;
- spin_unlock_irqrestore(&speakup_info.spinlock, flags);
- synth->flush(synth);
- continue;
- }
- if (synth_buffer_empty()) {
- spin_unlock_irqrestore(&speakup_info.spinlock, flags);
- break;
- }
- ch = synth_buffer_peek();
- set_current_state(TASK_INTERRUPTIBLE);
- full_time_val = full_time->u.n.value;
- spin_unlock_irqrestore(&speakup_info.spinlock, flags);
- if (!spk_serial_out(ch)) {
- outb(UART_MCR_DTR, speakup_info.port_tts + UART_MCR);
- outb(UART_MCR_DTR | UART_MCR_RTS,
- speakup_info.port_tts + UART_MCR);
- schedule_timeout(msecs_to_jiffies(full_time_val));
- continue;
- }
- if (time_after_eq(jiffies, jiff_max) && (ch == SPACE)) {
- spin_lock_irqsave(&speakup_info.spinlock, flags);
- jiffy_delta_val = jiffy_delta->u.n.value;
- full_time_val = full_time->u.n.value;
- delay_time_val = delay_time->u.n.value;
- spin_unlock_irqrestore(&speakup_info.spinlock, flags);
- if (spk_serial_out(synth->procspeech))
- schedule_timeout(msecs_to_jiffies
- (delay_time_val));
- else
- schedule_timeout(msecs_to_jiffies
- (full_time_val));
- jiff_max = jiffies + jiffy_delta_val;
- }
- set_current_state(TASK_RUNNING);
- spin_lock_irqsave(&speakup_info.spinlock, flags);
- synth_buffer_getc();
- spin_unlock_irqrestore(&speakup_info.spinlock, flags);
- }
- spk_serial_out(PROCSPEECH);
- }
- module_param_named(ser, synth_apollo.ser, int, S_IRUGO);
- module_param_named(start, synth_apollo.startup, short, S_IRUGO);
- MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
- MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
- module_spk_synth(synth_apollo);
- MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
- MODULE_AUTHOR("David Borowski");
- MODULE_DESCRIPTION("Speakup support for Apollo II synthesizer");
- MODULE_LICENSE("GPL");
- MODULE_VERSION(DRV_VERSION);
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