75d6282d8b
* Clean this file based on reports from checkpatch.pl. * Eliminate the unused synth_readable macro. * Convert function-like macros to inline functions. Signed-off-by: Christopher Brannon <chris@the-brannons.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
336 lines
8.5 KiB
C
336 lines
8.5 KiB
C
/*
|
|
* written by David Borowski
|
|
*
|
|
* 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
|
|
*
|
|
* specificly written as a driver for the speakup screenreview
|
|
* package it's not a general device driver.
|
|
* This driver is for the Keynote Gold internal synthesizer.
|
|
*/
|
|
#include <linux/jiffies.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/timer.h>
|
|
#include <linux/kthread.h>
|
|
#include <linux/serial_reg.h>
|
|
|
|
#include "spk_priv.h"
|
|
#include "speakup.h"
|
|
|
|
#define DRV_VERSION "2.10"
|
|
#define SYNTH_IO_EXTENT 0x04
|
|
#define SWAIT udelay(70)
|
|
#define PROCSPEECH 0x1f
|
|
#define SYNTH_CLEAR 0x03
|
|
|
|
static int synth_probe(struct spk_synth *synth);
|
|
static void keynote_release(void);
|
|
static const char *synth_immediate(struct spk_synth *synth, const char *buf);
|
|
static void do_catch_up(struct spk_synth *synth);
|
|
static void synth_flush(struct spk_synth *synth);
|
|
|
|
static int synth_port;
|
|
static int port_forced;
|
|
static unsigned int synth_portlist[] = { 0x2a8, 0 };
|
|
|
|
static struct var_t vars[] = {
|
|
{ CAPS_START, .u.s = {"[f130]" } },
|
|
{ CAPS_STOP, .u.s = {"[f90]" } },
|
|
{ RATE, .u.n = {"\04%c ", 8, 0, 10, 81, -8, NULL } },
|
|
{ PITCH, .u.n = {"[f%d]", 5, 0, 9, 40, 10, NULL } },
|
|
{ DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
|
|
V_LAST_VAR
|
|
};
|
|
|
|
/*
|
|
* These attributes will appear in /sys/accessibility/speakup/keypc.
|
|
*/
|
|
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 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 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,
|
|
&pitch_attribute.attr,
|
|
&rate_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_keypc = {
|
|
.name = "keypc",
|
|
.version = DRV_VERSION,
|
|
.long_name = "Keynote PC",
|
|
.init = "[t][n7,1][n8,0]",
|
|
.procspeech = PROCSPEECH,
|
|
.clear = SYNTH_CLEAR,
|
|
.delay = 500,
|
|
.trigger = 50,
|
|
.jiffies = 50,
|
|
.full = 1000,
|
|
.startup = SYNTH_START,
|
|
.checkval = SYNTH_CHECK,
|
|
.vars = vars,
|
|
.probe = synth_probe,
|
|
.release = keynote_release,
|
|
.synth_immediate = synth_immediate,
|
|
.catch_up = do_catch_up,
|
|
.flush = synth_flush,
|
|
.is_alive = spk_synth_is_alive_nop,
|
|
.synth_adjust = NULL,
|
|
.read_buff_add = NULL,
|
|
.get_index = NULL,
|
|
.indexing = {
|
|
.command = NULL,
|
|
.lowindex = 0,
|
|
.highindex = 0,
|
|
.currindex = 0,
|
|
},
|
|
.attributes = {
|
|
.attrs = synth_attrs,
|
|
.name = "keypc",
|
|
},
|
|
};
|
|
|
|
static inline bool synth_writable(void)
|
|
{
|
|
return (inb_p(synth_port + UART_RX) & 0x10) != 0;
|
|
}
|
|
|
|
static inline bool synth_full(void)
|
|
{
|
|
return (inb_p(synth_port + UART_RX) & 0x80) == 0;
|
|
}
|
|
|
|
static char *oops(void)
|
|
{
|
|
int s1, s2, s3, s4;
|
|
s1 = inb_p(synth_port);
|
|
s2 = inb_p(synth_port+1);
|
|
s3 = inb_p(synth_port+2);
|
|
s4 = inb_p(synth_port+3);
|
|
pr_warn("synth timeout %d %d %d %d\n", s1, s2, s3, s4);
|
|
return NULL;
|
|
}
|
|
|
|
static const char *synth_immediate(struct spk_synth *synth, const char *buf)
|
|
{
|
|
u_char ch;
|
|
int timeout;
|
|
while ((ch = *buf)) {
|
|
if (ch == '\n')
|
|
ch = PROCSPEECH;
|
|
if (synth_full())
|
|
return buf;
|
|
timeout = 1000;
|
|
while (synth_writable())
|
|
if (--timeout <= 0)
|
|
return oops();
|
|
outb_p(ch, synth_port);
|
|
udelay(70);
|
|
buf++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void do_catch_up(struct spk_synth *synth)
|
|
{
|
|
u_char ch;
|
|
int timeout;
|
|
unsigned long flags;
|
|
unsigned long jiff_max;
|
|
struct var_t *jiffy_delta;
|
|
struct var_t *delay_time;
|
|
struct var_t *full_time;
|
|
int delay_time_val;
|
|
int full_time_val;
|
|
int jiffy_delta_val;
|
|
|
|
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);
|
|
if (speakup_info.flushing) {
|
|
speakup_info.flushing = 0;
|
|
spk_unlock(flags);
|
|
synth->flush(synth);
|
|
continue;
|
|
}
|
|
if (synth_buffer_empty()) {
|
|
spk_unlock(flags);
|
|
break;
|
|
}
|
|
set_current_state(TASK_INTERRUPTIBLE);
|
|
full_time_val = full_time->u.n.value;
|
|
spk_unlock(flags);
|
|
if (synth_full()) {
|
|
schedule_timeout(msecs_to_jiffies(full_time_val));
|
|
continue;
|
|
}
|
|
set_current_state(TASK_RUNNING);
|
|
timeout = 1000;
|
|
while (synth_writable())
|
|
if (--timeout <= 0)
|
|
break;
|
|
if (timeout <= 0) {
|
|
oops();
|
|
break;
|
|
}
|
|
spk_lock(flags);
|
|
ch = synth_buffer_getc();
|
|
spk_unlock(flags);
|
|
if (ch == '\n')
|
|
ch = PROCSPEECH;
|
|
outb_p(ch, synth_port);
|
|
SWAIT;
|
|
if ((jiffies >= jiff_max) && (ch == SPACE)) {
|
|
timeout = 1000;
|
|
while (synth_writable())
|
|
if (--timeout <= 0)
|
|
break;
|
|
if (timeout <= 0) {
|
|
oops();
|
|
break;
|
|
}
|
|
outb_p(PROCSPEECH, synth_port);
|
|
spk_lock(flags);
|
|
jiffy_delta_val = jiffy_delta->u.n.value;
|
|
delay_time_val = delay_time->u.n.value;
|
|
spk_unlock(flags);
|
|
schedule_timeout(msecs_to_jiffies(delay_time_val));
|
|
jiff_max = jiffies+jiffy_delta_val;
|
|
}
|
|
}
|
|
timeout = 1000;
|
|
while (synth_writable())
|
|
if (--timeout <= 0)
|
|
break;
|
|
if (timeout <= 0)
|
|
oops();
|
|
else
|
|
outb_p(PROCSPEECH, synth_port);
|
|
}
|
|
|
|
static void synth_flush(struct spk_synth *synth)
|
|
{
|
|
outb_p(SYNTH_CLEAR, synth_port);
|
|
}
|
|
|
|
static int synth_probe(struct spk_synth *synth)
|
|
{
|
|
unsigned int port_val = 0;
|
|
int i = 0;
|
|
pr_info("Probing for %s.\n", synth->long_name);
|
|
if (port_forced) {
|
|
synth_port = port_forced;
|
|
pr_info("probe forced to %x by kernel command line\n",
|
|
synth_port);
|
|
if (synth_request_region(synth_port-1, SYNTH_IO_EXTENT)) {
|
|
pr_warn("sorry, port already reserved\n");
|
|
return -EBUSY;
|
|
}
|
|
port_val = inb(synth_port);
|
|
} else {
|
|
for (i = 0; synth_portlist[i]; i++) {
|
|
if (synth_request_region(synth_portlist[i],
|
|
SYNTH_IO_EXTENT)) {
|
|
pr_warn
|
|
("request_region: failed with 0x%x, %d\n",
|
|
synth_portlist[i], SYNTH_IO_EXTENT);
|
|
continue;
|
|
}
|
|
port_val = inb(synth_portlist[i]);
|
|
if (port_val == 0x80) {
|
|
synth_port = synth_portlist[i];
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (port_val != 0x80) {
|
|
pr_info("%s: not found\n", synth->long_name);
|
|
synth_release_region(synth_port, SYNTH_IO_EXTENT);
|
|
synth_port = 0;
|
|
return -ENODEV;
|
|
}
|
|
pr_info("%s: %03x-%03x, driver version %s,\n", synth->long_name,
|
|
synth_port, synth_port+SYNTH_IO_EXTENT-1,
|
|
synth->version);
|
|
synth->alive = 1;
|
|
return 0;
|
|
}
|
|
|
|
static void keynote_release(void)
|
|
{
|
|
if (synth_port)
|
|
synth_release_region(synth_port, SYNTH_IO_EXTENT);
|
|
synth_port = 0;
|
|
}
|
|
|
|
module_param_named(port, port_forced, int, S_IRUGO);
|
|
module_param_named(start, synth_keypc.startup, short, S_IRUGO);
|
|
|
|
MODULE_PARM_DESC(port, "Set the port for the synthesizer (override probing).");
|
|
MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
|
|
|
|
static int __init keypc_init(void)
|
|
{
|
|
return synth_add(&synth_keypc);
|
|
}
|
|
|
|
static void __exit keypc_exit(void)
|
|
{
|
|
synth_remove(&synth_keypc);
|
|
}
|
|
|
|
module_init(keypc_init);
|
|
module_exit(keypc_exit);
|
|
MODULE_AUTHOR("David Borowski");
|
|
MODULE_DESCRIPTION("Speakup support for Keynote Gold PC synthesizers");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_VERSION(DRV_VERSION);
|
|
|