{ 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 }, //?
{ 0x06f8, 0x0004, "Gullemot Jet Leader 3D", btn_joystick, abs_joystick, ff_iforce }, //?
+ { 0x06d6, 0x29bc, "Trust Force Feedback Race Master", 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)
+static int iforce_playback(struct input_dev *dev, int effect_id, 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:
+ struct iforce* iforce = dev->private;
+ struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id];
- data[0] = 0x03;
- data[1] = value >> 9;
- iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data);
+ if (value > 0)
+ set_bit(FF_CORE_SHOULD_PLAY, core_effect->flags);
+ else
+ clear_bit(FF_CORE_SHOULD_PLAY, core_effect->flags);
- data[0] = 0x04;
- data[1] = 0x01;
- iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data);
+ iforce_control_playback(iforce, effect_id, value);
+ return 0;
+}
- return 0;
+static void iforce_set_gain(struct input_dev *dev, u16 gain)
+{
+ struct iforce* iforce = dev->private;
+ unsigned char data[3];
- default: /* Play or stop an effect */
+ data[0] = gain >> 9;
+ iforce_send_packet(iforce, FF_CMD_GAIN, data);
+}
- 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);
- }
+static void iforce_set_autocenter(struct input_dev *dev, u16 magnitude)
+{
+ struct iforce* iforce = dev->private;
+ unsigned char data[3];
- iforce_control_playback(iforce, code, value);
- return 0;
- }
+ data[0] = 0x03;
+ data[1] = magnitude >> 9;
+ iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data);
- return -1;
+ data[0] = 0x04;
+ data[1] = 0x01;
+ iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data);
}
/*
* 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)
+static int iforce_upload_effect(struct input_dev *dev, struct ff_effect *effect, struct ff_effect *old)
{
- struct iforce* iforce = (struct iforce*)(dev->private);
- int id;
+ struct iforce* iforce = dev->private;
+ struct iforce_core_effect *core_effect = &iforce->core_effects[effect->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;
+ if (__test_and_set_bit(FF_CORE_IS_USED, core_effect->flags)) {
/* Check the effect is not already being updated */
- if (test_bit(FF_CORE_UPDATE, iforce->core_effects[effect->id].flags))
+ if (test_bit(FF_CORE_UPDATE, core_effect->flags))
return -EAGAIN;
-
- is_update = TRUE;
}
/*
switch (effect->type) {
case FF_PERIODIC:
- ret = iforce_upload_periodic(iforce, effect, is_update);
+ ret = iforce_upload_periodic(iforce, effect, old);
break;
case FF_CONSTANT:
- ret = iforce_upload_constant(iforce, effect, is_update);
+ ret = iforce_upload_constant(iforce, effect, old);
break;
case FF_SPRING:
case FF_DAMPER:
- ret = iforce_upload_condition(iforce, effect, is_update);
+ ret = iforce_upload_condition(iforce, effect, old);
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);
+ set_bit(FF_CORE_UPDATE, core_effect->flags);
}
- iforce->core_effects[effect->id].effect = *effect;
return ret;
}
*/
static int iforce_erase_effect(struct input_dev *dev, int effect_id)
{
- struct iforce* iforce = (struct iforce*)(dev->private);
+ struct iforce *iforce = dev->private;
+ struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id];
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));
+ err = release_resource(&core_effect->mod1_chunk);
if (!err && test_bit(FF_MOD2_IS_USED, core_effect->flags))
- err = release_resource(&(iforce->core_effects[effect_id].mod2_chunk));
+ err = release_resource(&core_effect->mod2_chunk);
- /*TODO: remember to change that if more FF_MOD* bits are added */
+ /* TODO: remember to change that if more FF_MOD* bits are added */
core_effect->flags[0] = 0;
return err;
#endif
}
- /* Enable force feedback */
- iforce_send_packet(iforce, FF_CMD_ENABLE, "\004");
+ if (test_bit(EV_FF, dev->evbit)) {
+ /* Enable force feedback */
+ iforce_send_packet(iforce, FF_CMD_ENABLE, "\004");
+ }
return 0;
}
-static int iforce_flush(struct input_dev *dev, struct file *file)
+static void iforce_release(struct input_dev *dev)
{
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);
+ if (test_bit(EV_FF, dev->evbit)) {
+ /* Check: no effects should be present in memory */
+ for (i = 0; i < dev->ff->max_effects; i++) {
+ if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags)) {
+ printk(KERN_WARNING "iforce_release: Device still owns effects\n");
+ break;
}
}
+ /* Disable force feedback playback */
+ iforce_send_packet(iforce, FF_CMD_ENABLE, "\001");
}
- 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
int iforce_init_device(struct iforce *iforce)
{
struct input_dev *input_dev;
+ struct ff_device *ff;
unsigned char c[] = "CEOV";
- int i;
+ int i, error;
+ int ff_effects = 0;
input_dev = input_allocate_device();
if (!input_dev)
init_waitqueue_head(&iforce->wait);
spin_lock_init(&iforce->xmit_lock);
- init_MUTEX(&iforce->mem_mutex);
+ mutex_init(&iforce->mem_mutex);
iforce->xmit.buf = iforce->xmit_data;
iforce->dev = input_dev;
input_dev->name = "Unknown I-Force device";
input_dev->open = iforce_open;
input_dev->close = iforce_release;
- input_dev->flush = iforce_flush;
- input_dev->event = iforce_input_event;
- input_dev->upload_effect = iforce_upload_effect;
- input_dev->erase_effect = iforce_erase_effect;
- input_dev->ff_effects_max = 10;
/*
* On-device memory allocation.
if (i == 20) { /* 5 seconds */
printk(KERN_ERR "iforce-main.c: Timeout waiting for response from device.\n");
- input_free_device(input_dev);
- return -ENODEV;
+ error = -ENODEV;
+ goto fail;
}
/*
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];
+ ff_effects = 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;
+ if (ff_effects > IFORCE_EFFECTS_MAX) {
+ printk(KERN_WARNING "iforce: Limiting number of effects to %d (device reports %d)\n",
+ IFORCE_EFFECTS_MAX, ff_effects);
+ ff_effects = IFORCE_EFFECTS_MAX;
}
/*
* Set input device bitfields and ranges.
*/
- input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_FF) | BIT(EV_FF_STATUS);
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_FF_STATUS);
- for (i = 0; iforce->type->btn[i] >= 0; i++) {
- signed short t = iforce->type->btn[i];
- set_bit(t, input_dev->keybit);
- }
+ for (i = 0; iforce->type->btn[i] >= 0; i++)
+ set_bit(iforce->type->btn[i], input_dev->keybit);
set_bit(BTN_DEAD, input_dev->keybit);
for (i = 0; iforce->type->abs[i] >= 0; i++) {
}
}
- for (i = 0; iforce->type->ff[i] >= 0; i++)
- set_bit(iforce->type->ff[i], input_dev->ffbit);
+ if (ff_effects) {
+
+ for (i = 0; iforce->type->ff[i] >= 0; i++)
+ set_bit(iforce->type->ff[i], input_dev->ffbit);
+
+ error = input_ff_create(input_dev, ff_effects);
+ if (error)
+ goto fail;
+ ff = input_dev->ff;
+ ff->upload = iforce_upload_effect;
+ ff->erase = iforce_erase_effect;
+ ff->set_gain = iforce_set_gain;
+ ff->set_autocenter = iforce_set_autocenter;
+ ff->playback = iforce_playback;
+ }
/*
* Register input device.
*/
- input_register_device(iforce->dev);
+ error = input_register_device(iforce->dev);
+ if (error)
+ goto fail;
printk(KERN_DEBUG "iforce->dev->open = %p\n", iforce->dev->open);
return 0;
+
+ fail: input_free_device(input_dev);
+ return error;
}
static int __init iforce_init(void)
{
+ int err = 0;
+
#ifdef CONFIG_JOYSTICK_IFORCE_USB
- usb_register(&iforce_usb_driver);
+ err = usb_register(&iforce_usb_driver);
+ if (err)
+ return err;
#endif
#ifdef CONFIG_JOYSTICK_IFORCE_232
- serio_register_driver(&iforce_serio_drv);
+ err = serio_register_driver(&iforce_serio_drv);
+#ifdef CONFIG_JOYSTICK_IFORCE_USB
+ if (err)
+ usb_deregister(&iforce_usb_driver);
#endif
- return 0;
+#endif
+ return err;
}
static void __exit iforce_exit(void)
git://git.onelab.eu / linux-2.6.git / blobdiff