558 lines
14 KiB
C
558 lines
14 KiB
C
/*
|
|
* $Id: iforce-main.c,v 1.19 2002/07/07 10:22:50 jdeneux Exp $
|
|
*
|
|
* Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz>
|
|
* Copyright (c) 2001-2002 Johann Deneux <deneux@ifrance.com>
|
|
*
|
|
* USB/RS232 I-Force joysticks and wheels.
|
|
*/
|
|
|
|
/*
|
|
* 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
|
|
*
|
|
* 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 "iforce.h"
|
|
|
|
MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>, Johann Deneux <deneux@ifrance.com>");
|
|
MODULE_DESCRIPTION("USB/RS232 I-Force joysticks and wheels driver");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
static signed short btn_joystick[] =
|
|
{ BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE,
|
|
BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_BASE5, BTN_A, BTN_B, BTN_C, -1 };
|
|
|
|
static signed short btn_avb_pegasus[] =
|
|
{ BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE,
|
|
BTN_BASE2, BTN_BASE3, BTN_BASE4, -1 };
|
|
|
|
static signed short btn_wheel[] =
|
|
{ BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE,
|
|
BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_BASE5, BTN_A, BTN_B, BTN_C, -1 };
|
|
|
|
static signed short btn_avb_tw[] =
|
|
{ BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE,
|
|
BTN_BASE2, BTN_BASE3, BTN_BASE4, -1 };
|
|
|
|
static signed short btn_avb_wheel[] =
|
|
{ BTN_GEAR_DOWN, BTN_GEAR_UP, BTN_BASE, BTN_BASE2, BTN_BASE3,
|
|
BTN_BASE4, BTN_BASE5, BTN_BASE6, -1 };
|
|
|
|
static signed short abs_joystick[] =
|
|
{ ABS_X, ABS_Y, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, -1 };
|
|
|
|
static signed short abs_avb_pegasus[] =
|
|
{ ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_HAT0X, ABS_HAT0Y,
|
|
ABS_HAT1X, ABS_HAT1Y, -1 };
|
|
|
|
static signed short abs_wheel[] =
|
|
{ ABS_WHEEL, ABS_GAS, ABS_BRAKE, ABS_HAT0X, ABS_HAT0Y, -1 };
|
|
|
|
static signed short ff_iforce[] =
|
|
{ FF_PERIODIC, FF_CONSTANT, FF_SPRING, FF_DAMPER,
|
|
FF_SQUARE, FF_TRIANGLE, FF_SINE, FF_SAW_UP, FF_SAW_DOWN, FF_GAIN,
|
|
FF_AUTOCENTER, -1 };
|
|
|
|
static struct iforce_device iforce_device[] = {
|
|
{ 0x044f, 0xa01c, "Thrustmaster Motor Sport GT", btn_wheel, abs_wheel, ff_iforce },
|
|
{ 0x046d, 0xc281, "Logitech WingMan Force", btn_joystick, abs_joystick, ff_iforce },
|
|
{ 0x046d, 0xc291, "Logitech WingMan Formula Force", btn_wheel, abs_wheel, ff_iforce },
|
|
{ 0x05ef, 0x020a, "AVB Top Shot Pegasus", btn_avb_pegasus, abs_avb_pegasus, ff_iforce },
|
|
{ 0x05ef, 0x8884, "AVB Mag Turbo Force", btn_avb_wheel, abs_wheel, ff_iforce },
|
|
{ 0x05ef, 0x8888, "AVB Top Shot Force Feedback Racing Wheel", btn_avb_tw, abs_wheel, ff_iforce }, //?
|
|
{ 0x061c, 0xc0a4, "ACT LABS Force RS", btn_wheel, abs_wheel, ff_iforce }, //?
|
|
{ 0x06f8, 0x0001, "Guillemot Race Leader Force Feedback", btn_wheel, abs_wheel, ff_iforce }, //?
|
|
{ 0x06f8, 0x0004, "Guillemot Force Feedback Racing Wheel", btn_wheel, abs_wheel, ff_iforce }, //?
|
|
{ 0x0000, 0x0000, "Unknown I-Force Device [%04x:%04x]", btn_joystick, abs_joystick, ff_iforce }
|
|
};
|
|
|
|
|
|
|
|
static int iforce_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
|
|
{
|
|
struct iforce* iforce = (struct iforce*)(dev->private);
|
|
unsigned char data[3];
|
|
|
|
if (type != EV_FF)
|
|
return -1;
|
|
|
|
switch (code) {
|
|
|
|
case FF_GAIN:
|
|
|
|
data[0] = value >> 9;
|
|
iforce_send_packet(iforce, FF_CMD_GAIN, data);
|
|
|
|
return 0;
|
|
|
|
case FF_AUTOCENTER:
|
|
|
|
data[0] = 0x03;
|
|
data[1] = value >> 9;
|
|
iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data);
|
|
|
|
data[0] = 0x04;
|
|
data[1] = 0x01;
|
|
iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data);
|
|
|
|
return 0;
|
|
|
|
default: /* Play or stop an effect */
|
|
|
|
if (!CHECK_OWNERSHIP(code, iforce)) {
|
|
return -1;
|
|
}
|
|
if (value > 0) {
|
|
set_bit(FF_CORE_SHOULD_PLAY, iforce->core_effects[code].flags);
|
|
}
|
|
else {
|
|
clear_bit(FF_CORE_SHOULD_PLAY, iforce->core_effects[code].flags);
|
|
}
|
|
|
|
iforce_control_playback(iforce, code, value);
|
|
return 0;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* Function called when an ioctl is performed on the event dev entry.
|
|
* It uploads an effect to the device
|
|
*/
|
|
static int iforce_upload_effect(struct input_dev *dev, struct ff_effect *effect)
|
|
{
|
|
struct iforce* iforce = (struct iforce*)(dev->private);
|
|
int id;
|
|
int ret;
|
|
int is_update;
|
|
|
|
/* Check this effect type is supported by this device */
|
|
if (!test_bit(effect->type, iforce->dev.ffbit))
|
|
return -EINVAL;
|
|
|
|
/*
|
|
* If we want to create a new effect, get a free id
|
|
*/
|
|
if (effect->id == -1) {
|
|
|
|
for (id=0; id < FF_EFFECTS_MAX; ++id)
|
|
if (!test_and_set_bit(FF_CORE_IS_USED, iforce->core_effects[id].flags)) break;
|
|
|
|
if ( id == FF_EFFECTS_MAX || id >= iforce->dev.ff_effects_max)
|
|
return -ENOMEM;
|
|
|
|
effect->id = id;
|
|
iforce->core_effects[id].owner = current->pid;
|
|
iforce->core_effects[id].flags[0] = (1<<FF_CORE_IS_USED); /* Only IS_USED bit must be set */
|
|
|
|
is_update = FALSE;
|
|
}
|
|
else {
|
|
/* We want to update an effect */
|
|
if (!CHECK_OWNERSHIP(effect->id, iforce)) return -EACCES;
|
|
|
|
/* Parameter type cannot be updated */
|
|
if (effect->type != iforce->core_effects[effect->id].effect.type)
|
|
return -EINVAL;
|
|
|
|
/* Check the effect is not already being updated */
|
|
if (test_bit(FF_CORE_UPDATE, iforce->core_effects[effect->id].flags)) {
|
|
return -EAGAIN;
|
|
}
|
|
|
|
is_update = TRUE;
|
|
}
|
|
|
|
/*
|
|
* Upload the effect
|
|
*/
|
|
switch (effect->type) {
|
|
|
|
case FF_PERIODIC:
|
|
ret = iforce_upload_periodic(iforce, effect, is_update);
|
|
break;
|
|
|
|
case FF_CONSTANT:
|
|
ret = iforce_upload_constant(iforce, effect, is_update);
|
|
break;
|
|
|
|
case FF_SPRING:
|
|
case FF_DAMPER:
|
|
ret = iforce_upload_condition(iforce, effect, is_update);
|
|
break;
|
|
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
if (ret == 0) {
|
|
/* A packet was sent, forbid new updates until we are notified
|
|
* that the packet was updated
|
|
*/
|
|
set_bit(FF_CORE_UPDATE, iforce->core_effects[effect->id].flags);
|
|
}
|
|
iforce->core_effects[effect->id].effect = *effect;
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Erases an effect: it frees the effect id and mark as unused the memory
|
|
* allocated for the parameters
|
|
*/
|
|
static int iforce_erase_effect(struct input_dev *dev, int effect_id)
|
|
{
|
|
struct iforce* iforce = (struct iforce*)(dev->private);
|
|
int err = 0;
|
|
struct iforce_core_effect* core_effect;
|
|
|
|
/* Check who is trying to erase this effect */
|
|
if (iforce->core_effects[effect_id].owner != current->pid) {
|
|
printk(KERN_WARNING "iforce-main.c: %d tried to erase an effect belonging to %d\n", current->pid, iforce->core_effects[effect_id].owner);
|
|
return -EACCES;
|
|
}
|
|
|
|
if (effect_id < 0 || effect_id >= FF_EFFECTS_MAX)
|
|
return -EINVAL;
|
|
|
|
core_effect = iforce->core_effects + effect_id;
|
|
|
|
if (test_bit(FF_MOD1_IS_USED, core_effect->flags))
|
|
err = release_resource(&(iforce->core_effects[effect_id].mod1_chunk));
|
|
|
|
if (!err && test_bit(FF_MOD2_IS_USED, core_effect->flags))
|
|
err = release_resource(&(iforce->core_effects[effect_id].mod2_chunk));
|
|
|
|
/*TODO: remember to change that if more FF_MOD* bits are added */
|
|
core_effect->flags[0] = 0;
|
|
|
|
return err;
|
|
}
|
|
|
|
static int iforce_open(struct input_dev *dev)
|
|
{
|
|
struct iforce *iforce = dev->private;
|
|
|
|
switch (iforce->bus) {
|
|
#ifdef CONFIG_JOYSTICK_IFORCE_USB
|
|
case IFORCE_USB:
|
|
iforce->irq->dev = iforce->usbdev;
|
|
if (usb_submit_urb(iforce->irq, GFP_KERNEL))
|
|
return -EIO;
|
|
break;
|
|
#endif
|
|
}
|
|
|
|
/* Enable force feedback */
|
|
iforce_send_packet(iforce, FF_CMD_ENABLE, "\004");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int iforce_flush(struct input_dev *dev, struct file *file)
|
|
{
|
|
struct iforce *iforce = dev->private;
|
|
int i;
|
|
|
|
/* Erase all effects this process owns */
|
|
for (i=0; i<dev->ff_effects_max; ++i) {
|
|
|
|
if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags) &&
|
|
current->pid == iforce->core_effects[i].owner) {
|
|
|
|
/* Stop effect */
|
|
input_report_ff(dev, i, 0);
|
|
|
|
/* Free ressources assigned to effect */
|
|
if (iforce_erase_effect(dev, i)) {
|
|
printk(KERN_WARNING "iforce_flush: erase effect %d failed\n", i);
|
|
}
|
|
}
|
|
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void iforce_release(struct input_dev *dev)
|
|
{
|
|
struct iforce *iforce = dev->private;
|
|
int i;
|
|
|
|
/* Check: no effect should be present in memory */
|
|
for (i=0; i<dev->ff_effects_max; ++i) {
|
|
if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags))
|
|
break;
|
|
}
|
|
if (i<dev->ff_effects_max) {
|
|
printk(KERN_WARNING "iforce_release: Device still owns effects\n");
|
|
}
|
|
|
|
/* Disable force feedback playback */
|
|
iforce_send_packet(iforce, FF_CMD_ENABLE, "\001");
|
|
|
|
switch (iforce->bus) {
|
|
#ifdef CONFIG_JOYSTICK_IFORCE_USB
|
|
case IFORCE_USB:
|
|
usb_unlink_urb(iforce->irq);
|
|
|
|
/* The device was unplugged before the file
|
|
* was released */
|
|
if (iforce->usbdev == NULL) {
|
|
iforce_delete_device(iforce);
|
|
kfree(iforce);
|
|
}
|
|
break;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void iforce_delete_device(struct iforce *iforce)
|
|
{
|
|
switch (iforce->bus) {
|
|
#ifdef CONFIG_JOYSTICK_IFORCE_USB
|
|
case IFORCE_USB:
|
|
iforce_usb_delete(iforce);
|
|
break;
|
|
#endif
|
|
#ifdef CONFIG_JOYSTICK_IFORCE_232
|
|
case IFORCE_232:
|
|
//TODO: Wait for the last packets to be sent
|
|
break;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
int iforce_init_device(struct iforce *iforce)
|
|
{
|
|
unsigned char c[] = "CEOV";
|
|
int i;
|
|
|
|
init_waitqueue_head(&iforce->wait);
|
|
spin_lock_init(&iforce->xmit_lock);
|
|
init_MUTEX(&iforce->mem_mutex);
|
|
iforce->xmit.buf = iforce->xmit_data;
|
|
|
|
iforce->dev.ff_effects_max = 10;
|
|
|
|
/*
|
|
* Input device fields.
|
|
*/
|
|
|
|
switch (iforce->bus) {
|
|
#ifdef CONFIG_JOYSTICK_IFORCE_USB
|
|
case IFORCE_USB:
|
|
iforce->dev.id.bustype = BUS_USB;
|
|
iforce->dev.dev = &iforce->usbdev->dev;
|
|
break;
|
|
#endif
|
|
#ifdef CONFIG_JOYSTICK_IFORCE_232
|
|
case IFORCE_232:
|
|
iforce->dev.id.bustype = BUS_RS232;
|
|
iforce->dev.dev = &iforce->serio->dev;
|
|
break;
|
|
#endif
|
|
}
|
|
|
|
iforce->dev.private = iforce;
|
|
iforce->dev.name = "Unknown I-Force device";
|
|
iforce->dev.open = iforce_open;
|
|
iforce->dev.close = iforce_release;
|
|
iforce->dev.flush = iforce_flush;
|
|
iforce->dev.event = iforce_input_event;
|
|
iforce->dev.upload_effect = iforce_upload_effect;
|
|
iforce->dev.erase_effect = iforce_erase_effect;
|
|
|
|
/*
|
|
* On-device memory allocation.
|
|
*/
|
|
|
|
iforce->device_memory.name = "I-Force device effect memory";
|
|
iforce->device_memory.start = 0;
|
|
iforce->device_memory.end = 200;
|
|
iforce->device_memory.flags = IORESOURCE_MEM;
|
|
iforce->device_memory.parent = NULL;
|
|
iforce->device_memory.child = NULL;
|
|
iforce->device_memory.sibling = NULL;
|
|
|
|
/*
|
|
* Wait until device ready - until it sends its first response.
|
|
*/
|
|
|
|
for (i = 0; i < 20; i++)
|
|
if (!iforce_get_id_packet(iforce, "O"))
|
|
break;
|
|
|
|
if (i == 20) { /* 5 seconds */
|
|
printk(KERN_ERR "iforce-main.c: Timeout waiting for response from device.\n");
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* Get device info.
|
|
*/
|
|
|
|
if (!iforce_get_id_packet(iforce, "M"))
|
|
iforce->dev.id.vendor = (iforce->edata[2] << 8) | iforce->edata[1];
|
|
else
|
|
printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet M\n");
|
|
|
|
if (!iforce_get_id_packet(iforce, "P"))
|
|
iforce->dev.id.product = (iforce->edata[2] << 8) | iforce->edata[1];
|
|
else
|
|
printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet P\n");
|
|
|
|
if (!iforce_get_id_packet(iforce, "B"))
|
|
iforce->device_memory.end = (iforce->edata[2] << 8) | iforce->edata[1];
|
|
else
|
|
printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet B\n");
|
|
|
|
if (!iforce_get_id_packet(iforce, "N"))
|
|
iforce->dev.ff_effects_max = iforce->edata[1];
|
|
else
|
|
printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet N\n");
|
|
|
|
/* Check if the device can store more effects than the driver can really handle */
|
|
if (iforce->dev.ff_effects_max > FF_EFFECTS_MAX) {
|
|
printk(KERN_WARNING "input??: Device can handle %d effects, but N_EFFECTS_MAX is set to %d in iforce.h\n",
|
|
iforce->dev.ff_effects_max, FF_EFFECTS_MAX);
|
|
iforce->dev.ff_effects_max = FF_EFFECTS_MAX;
|
|
}
|
|
|
|
/*
|
|
* Display additional info.
|
|
*/
|
|
|
|
for (i = 0; c[i]; i++)
|
|
if (!iforce_get_id_packet(iforce, c + i))
|
|
iforce_dump_packet("info", iforce->ecmd, iforce->edata);
|
|
|
|
/*
|
|
* Disable spring, enable force feedback.
|
|
* FIXME: We should use iforce_set_autocenter() et al here.
|
|
*/
|
|
|
|
iforce_send_packet(iforce, FF_CMD_AUTOCENTER, "\004\000");
|
|
|
|
/*
|
|
* Find appropriate device entry
|
|
*/
|
|
|
|
for (i = 0; iforce_device[i].idvendor; i++)
|
|
if (iforce_device[i].idvendor == iforce->dev.id.vendor &&
|
|
iforce_device[i].idproduct == iforce->dev.id.product)
|
|
break;
|
|
|
|
iforce->type = iforce_device + i;
|
|
iforce->dev.name = iforce->type->name;
|
|
|
|
/*
|
|
* Set input device bitfields and ranges.
|
|
*/
|
|
|
|
iforce->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_FF) | BIT(EV_FF_STATUS);
|
|
|
|
for (i = 0; iforce->type->btn[i] >= 0; i++) {
|
|
signed short t = iforce->type->btn[i];
|
|
set_bit(t, iforce->dev.keybit);
|
|
}
|
|
set_bit(BTN_DEAD, iforce->dev.keybit);
|
|
|
|
for (i = 0; iforce->type->abs[i] >= 0; i++) {
|
|
|
|
signed short t = iforce->type->abs[i];
|
|
set_bit(t, iforce->dev.absbit);
|
|
|
|
switch (t) {
|
|
|
|
case ABS_X:
|
|
case ABS_Y:
|
|
case ABS_WHEEL:
|
|
|
|
iforce->dev.absmax[t] = 1920;
|
|
iforce->dev.absmin[t] = -1920;
|
|
iforce->dev.absflat[t] = 128;
|
|
iforce->dev.absfuzz[t] = 16;
|
|
|
|
set_bit(t, iforce->dev.ffbit);
|
|
break;
|
|
|
|
case ABS_THROTTLE:
|
|
case ABS_GAS:
|
|
case ABS_BRAKE:
|
|
|
|
iforce->dev.absmax[t] = 255;
|
|
iforce->dev.absmin[t] = 0;
|
|
break;
|
|
|
|
case ABS_RUDDER:
|
|
|
|
iforce->dev.absmax[t] = 127;
|
|
iforce->dev.absmin[t] = -128;
|
|
break;
|
|
|
|
case ABS_HAT0X:
|
|
case ABS_HAT0Y:
|
|
case ABS_HAT1X:
|
|
case ABS_HAT1Y:
|
|
iforce->dev.absmax[t] = 1;
|
|
iforce->dev.absmin[t] = -1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (i = 0; iforce->type->ff[i] >= 0; i++)
|
|
set_bit(iforce->type->ff[i], iforce->dev.ffbit);
|
|
|
|
/*
|
|
* Register input device.
|
|
*/
|
|
|
|
input_register_device(&iforce->dev);
|
|
|
|
printk(KERN_DEBUG "iforce->dev.open = %p\n", iforce->dev.open);
|
|
|
|
printk(KERN_INFO "input: %s [%d effects, %ld bytes memory]\n",
|
|
iforce->dev.name, iforce->dev.ff_effects_max,
|
|
iforce->device_memory.end);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __init iforce_init(void)
|
|
{
|
|
#ifdef CONFIG_JOYSTICK_IFORCE_USB
|
|
usb_register(&iforce_usb_driver);
|
|
#endif
|
|
#ifdef CONFIG_JOYSTICK_IFORCE_232
|
|
serio_register_driver(&iforce_serio_drv);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static void __exit iforce_exit(void)
|
|
{
|
|
#ifdef CONFIG_JOYSTICK_IFORCE_USB
|
|
usb_deregister(&iforce_usb_driver);
|
|
#endif
|
|
#ifdef CONFIG_JOYSTICK_IFORCE_232
|
|
serio_unregister_driver(&iforce_serio_drv);
|
|
#endif
|
|
}
|
|
|
|
module_init(iforce_init);
|
|
module_exit(iforce_exit);
|