mirror of
https://github.com/torvalds/linux.git
synced 2024-12-12 06:02:38 +00:00
d1659fcc59
This patch removes CVS keywords that weren't updated for a long time from comments. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
236 lines
6.2 KiB
C
236 lines
6.2 KiB
C
/*
|
|
* Copyright (c) 1999-2001 Vojtech Pavlik
|
|
*/
|
|
|
|
/*
|
|
* Logitech WingMan Warrior joystick driver for Linux
|
|
*/
|
|
|
|
/*
|
|
* This program is free warftware; 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
|
|
*
|
|
* 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/module.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/input.h>
|
|
#include <linux/serio.h>
|
|
#include <linux/init.h>
|
|
|
|
#define DRIVER_DESC "Logitech WingMan Warrior joystick driver"
|
|
|
|
MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
|
|
MODULE_DESCRIPTION(DRIVER_DESC);
|
|
MODULE_LICENSE("GPL");
|
|
|
|
/*
|
|
* Constants.
|
|
*/
|
|
|
|
#define WARRIOR_MAX_LENGTH 16
|
|
static char warrior_lengths[] = { 0, 4, 12, 3, 4, 4, 0, 0 };
|
|
|
|
/*
|
|
* Per-Warrior data.
|
|
*/
|
|
|
|
struct warrior {
|
|
struct input_dev *dev;
|
|
int idx, len;
|
|
unsigned char data[WARRIOR_MAX_LENGTH];
|
|
char phys[32];
|
|
};
|
|
|
|
/*
|
|
* warrior_process_packet() decodes packets the driver receives from the
|
|
* Warrior. It updates the data accordingly.
|
|
*/
|
|
|
|
static void warrior_process_packet(struct warrior *warrior)
|
|
{
|
|
struct input_dev *dev = warrior->dev;
|
|
unsigned char *data = warrior->data;
|
|
|
|
if (!warrior->idx) return;
|
|
|
|
switch ((data[0] >> 4) & 7) {
|
|
case 1: /* Button data */
|
|
input_report_key(dev, BTN_TRIGGER, data[3] & 1);
|
|
input_report_key(dev, BTN_THUMB, (data[3] >> 1) & 1);
|
|
input_report_key(dev, BTN_TOP, (data[3] >> 2) & 1);
|
|
input_report_key(dev, BTN_TOP2, (data[3] >> 3) & 1);
|
|
break;
|
|
case 3: /* XY-axis info->data */
|
|
input_report_abs(dev, ABS_X, ((data[0] & 8) << 5) - (data[2] | ((data[0] & 4) << 5)));
|
|
input_report_abs(dev, ABS_Y, (data[1] | ((data[0] & 1) << 7)) - ((data[0] & 2) << 7));
|
|
break;
|
|
case 5: /* Throttle, spinner, hat info->data */
|
|
input_report_abs(dev, ABS_THROTTLE, (data[1] | ((data[0] & 1) << 7)) - ((data[0] & 2) << 7));
|
|
input_report_abs(dev, ABS_HAT0X, (data[3] & 2 ? 1 : 0) - (data[3] & 1 ? 1 : 0));
|
|
input_report_abs(dev, ABS_HAT0Y, (data[3] & 8 ? 1 : 0) - (data[3] & 4 ? 1 : 0));
|
|
input_report_rel(dev, REL_DIAL, (data[2] | ((data[0] & 4) << 5)) - ((data[0] & 8) << 5));
|
|
break;
|
|
}
|
|
input_sync(dev);
|
|
}
|
|
|
|
/*
|
|
* warrior_interrupt() is called by the low level driver when characters
|
|
* are ready for us. We then buffer them for further processing, or call the
|
|
* packet processing routine.
|
|
*/
|
|
|
|
static irqreturn_t warrior_interrupt(struct serio *serio,
|
|
unsigned char data, unsigned int flags)
|
|
{
|
|
struct warrior *warrior = serio_get_drvdata(serio);
|
|
|
|
if (data & 0x80) {
|
|
if (warrior->idx) warrior_process_packet(warrior);
|
|
warrior->idx = 0;
|
|
warrior->len = warrior_lengths[(data >> 4) & 7];
|
|
}
|
|
|
|
if (warrior->idx < warrior->len)
|
|
warrior->data[warrior->idx++] = data;
|
|
|
|
if (warrior->idx == warrior->len) {
|
|
if (warrior->idx) warrior_process_packet(warrior);
|
|
warrior->idx = 0;
|
|
warrior->len = 0;
|
|
}
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
/*
|
|
* warrior_disconnect() is the opposite of warrior_connect()
|
|
*/
|
|
|
|
static void warrior_disconnect(struct serio *serio)
|
|
{
|
|
struct warrior *warrior = serio_get_drvdata(serio);
|
|
|
|
serio_close(serio);
|
|
serio_set_drvdata(serio, NULL);
|
|
input_unregister_device(warrior->dev);
|
|
kfree(warrior);
|
|
}
|
|
|
|
/*
|
|
* warrior_connect() is the routine that is called when someone adds a
|
|
* new serio device. It looks for the Warrior, and if found, registers
|
|
* it as an input device.
|
|
*/
|
|
|
|
static int warrior_connect(struct serio *serio, struct serio_driver *drv)
|
|
{
|
|
struct warrior *warrior;
|
|
struct input_dev *input_dev;
|
|
int err = -ENOMEM;
|
|
|
|
warrior = kzalloc(sizeof(struct warrior), GFP_KERNEL);
|
|
input_dev = input_allocate_device();
|
|
if (!warrior || !input_dev)
|
|
goto fail1;
|
|
|
|
warrior->dev = input_dev;
|
|
snprintf(warrior->phys, sizeof(warrior->phys), "%s/input0", serio->phys);
|
|
|
|
input_dev->name = "Logitech WingMan Warrior";
|
|
input_dev->phys = warrior->phys;
|
|
input_dev->id.bustype = BUS_RS232;
|
|
input_dev->id.vendor = SERIO_WARRIOR;
|
|
input_dev->id.product = 0x0001;
|
|
input_dev->id.version = 0x0100;
|
|
input_dev->dev.parent = &serio->dev;
|
|
|
|
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL) |
|
|
BIT_MASK(EV_ABS);
|
|
input_dev->keybit[BIT_WORD(BTN_TRIGGER)] = BIT_MASK(BTN_TRIGGER) |
|
|
BIT_MASK(BTN_THUMB) | BIT_MASK(BTN_TOP) | BIT_MASK(BTN_TOP2);
|
|
input_dev->relbit[0] = BIT_MASK(REL_DIAL);
|
|
input_set_abs_params(input_dev, ABS_X, -64, 64, 0, 8);
|
|
input_set_abs_params(input_dev, ABS_Y, -64, 64, 0, 8);
|
|
input_set_abs_params(input_dev, ABS_THROTTLE, -112, 112, 0, 0);
|
|
input_set_abs_params(input_dev, ABS_HAT0X, -1, 1, 0, 0);
|
|
input_set_abs_params(input_dev, ABS_HAT0Y, -1, 1, 0, 0);
|
|
|
|
serio_set_drvdata(serio, warrior);
|
|
|
|
err = serio_open(serio, drv);
|
|
if (err)
|
|
goto fail2;
|
|
|
|
err = input_register_device(warrior->dev);
|
|
if (err)
|
|
goto fail3;
|
|
|
|
return 0;
|
|
|
|
fail3: serio_close(serio);
|
|
fail2: serio_set_drvdata(serio, NULL);
|
|
fail1: input_free_device(input_dev);
|
|
kfree(warrior);
|
|
return err;
|
|
}
|
|
|
|
/*
|
|
* The serio driver structure.
|
|
*/
|
|
|
|
static struct serio_device_id warrior_serio_ids[] = {
|
|
{
|
|
.type = SERIO_RS232,
|
|
.proto = SERIO_WARRIOR,
|
|
.id = SERIO_ANY,
|
|
.extra = SERIO_ANY,
|
|
},
|
|
{ 0 }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(serio, warrior_serio_ids);
|
|
|
|
static struct serio_driver warrior_drv = {
|
|
.driver = {
|
|
.name = "warrior",
|
|
},
|
|
.description = DRIVER_DESC,
|
|
.id_table = warrior_serio_ids,
|
|
.interrupt = warrior_interrupt,
|
|
.connect = warrior_connect,
|
|
.disconnect = warrior_disconnect,
|
|
};
|
|
|
|
/*
|
|
* The functions for inserting/removing us as a module.
|
|
*/
|
|
|
|
static int __init warrior_init(void)
|
|
{
|
|
return serio_register_driver(&warrior_drv);
|
|
}
|
|
|
|
static void __exit warrior_exit(void)
|
|
{
|
|
serio_unregister_driver(&warrior_drv);
|
|
}
|
|
|
|
module_init(warrior_init);
|
|
module_exit(warrior_exit);
|