| /* |
| * 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, USER_RW, spk_var_show, spk_var_store); |
| static struct kobj_attribute caps_stop_attribute = |
| __ATTR(caps_stop, USER_RW, spk_var_show, spk_var_store); |
| static struct kobj_attribute lang_attribute = |
| __ATTR(lang, USER_RW, spk_var_show, spk_var_store); |
| static struct kobj_attribute pitch_attribute = |
| __ATTR(pitch, USER_RW, spk_var_show, spk_var_store); |
| static struct kobj_attribute rate_attribute = |
| __ATTR(rate, USER_RW, spk_var_show, spk_var_store); |
| static struct kobj_attribute voice_attribute = |
| __ATTR(voice, USER_RW, spk_var_show, spk_var_store); |
| static struct kobj_attribute vol_attribute = |
| __ATTR(vol, USER_RW, spk_var_show, spk_var_store); |
| |
| static struct kobj_attribute delay_time_attribute = |
| __ATTR(delay_time, ROOT_W, spk_var_show, spk_var_store); |
| static struct kobj_attribute direct_attribute = |
| __ATTR(direct, USER_RW, spk_var_show, spk_var_store); |
| static struct kobj_attribute full_time_attribute = |
| __ATTR(full_time, ROOT_W, spk_var_show, spk_var_store); |
| static struct kobj_attribute jiffy_delta_attribute = |
| __ATTR(jiffy_delta, ROOT_W, spk_var_show, spk_var_store); |
| static struct kobj_attribute trigger_time_attribute = |
| __ATTR(trigger_time, ROOT_W, 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 = 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 = get_var(JIFFY); |
| delay_time = get_var(DELAY); |
| full_time = get_var(FULL); |
| spk_lock(flags); |
| jiffy_delta_val = jiffy_delta->u.n.value; |
| spk_unlock(flags); |
| jiff_max = jiffies + jiffy_delta_val; |
| |
| while (!kthread_should_stop()) { |
| spk_lock(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; |
| spk_unlock(flags); |
| synth->flush(synth); |
| continue; |
| } |
| if (synth_buffer_empty()) { |
| spk_unlock(flags); |
| break; |
| } |
| ch = synth_buffer_peek(); |
| set_current_state(TASK_INTERRUPTIBLE); |
| full_time_val = full_time->u.n.value; |
| spk_unlock(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 ((jiffies >= jiff_max) && (ch == SPACE)) { |
| spk_lock(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; |
| spk_unlock(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); |
| spk_lock(flags); |
| synth_buffer_getc(); |
| spk_unlock(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."); |
| |
| static int __init apollo_init(void) |
| { |
| return synth_add(&synth_apollo); |
| } |
| |
| static void __exit apollo_exit(void) |
| { |
| synth_remove(&synth_apollo); |
| } |
| |
| module_init(apollo_init); |
| module_exit(apollo_exit); |
| 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); |
| |
