/*
* 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
+ * 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
- *
+ *
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/init.h>
+#include <linux/slab.h>
+
+#define DRIVER_DESC "Gameport data dumper module"
MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
-MODULE_DESCRIPTION("Gameport data dumper module");
+MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
#define BUF_SIZE 256
unsigned char data;
};
-static void __devinit joydump_connect(struct gameport *gameport, struct gameport_dev *dev)
+static int joydump_connect(struct gameport *gameport, struct gameport_driver *drv)
{
- struct joydump buf[BUF_SIZE];
+ struct joydump *buf; /* all entries */
+ struct joydump *dump, *prev; /* one entry each */
int axes[4], buttons;
int i, j, t, timeout;
unsigned long flags;
unsigned char u;
- printk(KERN_INFO "joydump: ,------------------- START ------------------.\n");
- printk(KERN_INFO "joydump: | Dumping gameport%s.\n", gameport->phys);
- printk(KERN_INFO "joydump: | Speed: %4d kHz. |\n", gameport->speed);
+ printk(KERN_INFO "joydump: ,------------------ START ----------------.\n");
+ printk(KERN_INFO "joydump: | Dumping: %30s |\n", gameport->phys);
+ printk(KERN_INFO "joydump: | Speed: %28d kHz |\n", gameport->speed);
- if (gameport_open(gameport, dev, GAMEPORT_MODE_RAW)) {
+ if (gameport_open(gameport, drv, GAMEPORT_MODE_RAW)) {
printk(KERN_INFO "joydump: | Raw mode not available - trying cooked. |\n");
- if (gameport_open(gameport, dev, GAMEPORT_MODE_COOKED)) {
-
- printk(KERN_INFO "joydump: | Cooked not available either. Failing. |\n");
- printk(KERN_INFO "joydump: `-------------------- END -------------------'\n");
- return;
+ if (gameport_open(gameport, drv, GAMEPORT_MODE_COOKED)) {
+
+ printk(KERN_INFO "joydump: | Cooked not available either. Failing. |\n");
+ printk(KERN_INFO "joydump: `------------------- END -----------------'\n");
+ return -ENODEV;
}
gameport_cooked_read(gameport, axes, &buttons);
for (i = 0; i < 4; i++)
- printk(KERN_INFO "joydump: | Axis %d: %4d. |\n", i, axes[i]);
- printk(KERN_INFO "joydump: | Buttons %02x. |\n", buttons);
- printk(KERN_INFO "joydump: `-------------------- END -------------------'\n");
+ printk(KERN_INFO "joydump: | Axis %d: %4d. |\n", i, axes[i]);
+ printk(KERN_INFO "joydump: | Buttons %02x. |\n", buttons);
+ printk(KERN_INFO "joydump: `------------------- END -----------------'\n");
}
timeout = gameport_time(gameport, 10000); /* 10 ms */
+
+ buf = kmalloc(BUF_SIZE * sizeof(struct joydump), GFP_KERNEL);
+ if (!buf) {
+ printk(KERN_INFO "joydump: no memory for testing\n");
+ goto jd_end;
+ }
+ dump = buf;
t = 0;
i = 1;
u = gameport_read(gameport);
- buf[0].data = u;
- buf[0].time = t;
+ dump->data = u;
+ dump->time = t;
+ dump++;
gameport_trigger(gameport);
while (i < BUF_SIZE && t < timeout) {
- buf[i].data = gameport_read(gameport);
+ dump->data = gameport_read(gameport);
- if (buf[i].data ^ u) {
- u = buf[i].data;
- buf[i].time = t;
+ if (dump->data ^ u) {
+ u = dump->data;
+ dump->time = t;
i++;
+ dump++;
}
t++;
}
*/
t = i;
+ dump = buf;
+ prev = dump;
- printk(KERN_INFO "joydump: >------------------- DATA -------------------<\n");
- printk(KERN_INFO "joydump: | index: %3d delta: %3d.%02d us data: ", 0, 0, 0);
+ printk(KERN_INFO "joydump: >------------------ DATA -----------------<\n");
+ printk(KERN_INFO "joydump: | index: %3d delta: %3d us data: ", 0, 0);
for (j = 7; j >= 0; j--)
- printk("%d",(buf[0].data >> j) & 1);
+ printk("%d", (dump->data >> j) & 1);
printk(" |\n");
- for (i = 1; i < t; i++) {
+ dump++;
+
+ for (i = 1; i < t; i++, dump++, prev++) {
printk(KERN_INFO "joydump: | index: %3d delta: %3d us data: ",
- i, buf[i].time - buf[i-1].time);
+ i, dump->time - prev->time);
for (j = 7; j >= 0; j--)
- printk("%d",(buf[i].data >> j) & 1);
- printk(" |\n");
+ printk("%d", (dump->data >> j) & 1);
+ printk(" |\n");
}
+ kfree(buf);
- printk(KERN_INFO "joydump: `-------------------- END -------------------'\n");
+jd_end:
+ printk(KERN_INFO "joydump: `------------------- END -----------------'\n");
+
+ return 0;
}
-static void __devexit joydump_disconnect(struct gameport *gameport)
+static void joydump_disconnect(struct gameport *gameport)
{
gameport_close(gameport);
}
-static struct gameport_dev joydump_dev = {
- .connect = joydump_connect,
- .disconnect = joydump_disconnect,
+static struct gameport_driver joydump_drv = {
+ .driver = {
+ .name = "joydump",
+ },
+ .description = DRIVER_DESC,
+ .connect = joydump_connect,
+ .disconnect = joydump_disconnect,
};
static int __init joydump_init(void)
{
- gameport_register_device(&joydump_dev);
+ gameport_register_driver(&joydump_drv);
return 0;
}
static void __exit joydump_exit(void)
{
- gameport_unregister_device(&joydump_dev);
+ gameport_unregister_driver(&joydump_drv);
}
module_init(joydump_init);
git://git.onelab.eu / linux-2.6.git / blobdiff