- private->hid = hid;
-
- spin_lock_init(&private->lock);
- init_timer(&private->timer);
- private->timer.data = (unsigned long)private;
- private->timer.function = hid_tmff_timer;
-
- /* Event and exit callbacks */
- hid->ff_exit = hid_tmff_exit;
- hid->ff_event = hid_tmff_event;
-
- info("Force feedback for ThrustMaster rumble pad devices by Zinx Verituse <zinx@epicsol.org>");
-
- return 0;
-}
-
-static void hid_tmff_exit(struct hid_device *hid)
-{
- struct tmff_device *tmff = hid->ff_private;
- unsigned long flags;
-
- spin_lock_irqsave(&tmff->lock, flags);
-
- set_bit(DEVICE_CLOSING, tmff->flags);
- del_timer_sync(&tmff->timer);
-
- spin_unlock_irqrestore(&tmff->lock, flags);
-
- kfree(tmff);
-}
-
-static int hid_tmff_event(struct hid_device *hid, struct input_dev *input,
- unsigned int type, unsigned int code, int value)
-{
- struct tmff_device *tmff = hid->ff_private;
- struct tmff_effect *effect = &tmff->effects[code];
- unsigned long flags;
-
- if (type != EV_FF)
- return -EINVAL;
- if (!TMFF_CHECK_ID(code))
- return -EINVAL;
- if (!TMFF_CHECK_OWNERSHIP(code, tmff))
- return -EACCES;
- if (value < 0)
- return -EINVAL;
-
- spin_lock_irqsave(&tmff->lock, flags);
-
- if (value > 0) {
- set_bit(EFFECT_STARTED, effect->flags);
- clear_bit(EFFECT_PLAYING, effect->flags);
- effect->count = value;
- effect->play_at = DELAY_CALC(jiffies, effect->effect.replay.delay);
- } else {
- clear_bit(EFFECT_STARTED, effect->flags);
- clear_bit(EFFECT_PLAYING, effect->flags);
- }
-
- hid_tmff_recalculate_timer(tmff);
-
- spin_unlock_irqrestore(&tmff->lock, flags);
-
- return 0;
-
-}
-
-/* Erase all effects this process owns */
-
-static int hid_tmff_flush(struct input_dev *dev, struct file *file)
-{
- struct hid_device *hid = dev->private;
- struct tmff_device *tmff = hid->ff_private;
- int i;
-
- for (i=0; i<dev->ff_effects_max; ++i)
-
- /* NOTE: no need to lock here. The only times EFFECT_USED is
- modified is when effects are uploaded or when an effect is
- erased. But a process cannot close its dev/input/eventX fd
- and perform ioctls on the same fd all at the same time */
-
- if (current->pid == tmff->effects[i].owner
- && test_bit(EFFECT_USED, tmff->effects[i].flags))
- if (hid_tmff_erase(dev, i))
- warn("erase effect %d failed", i);
-
-
- return 0;
-}
-
-static int hid_tmff_erase(struct input_dev *dev, int id)
-{
- struct hid_device *hid = dev->private;
- struct tmff_device *tmff = hid->ff_private;
- unsigned long flags;
-
- if (!TMFF_CHECK_ID(id))
- return -EINVAL;
- if (!TMFF_CHECK_OWNERSHIP(id, tmff))
- return -EACCES;
-
- spin_lock_irqsave(&tmff->lock, flags);
-
- tmff->effects[id].flags[0] = 0;
- hid_tmff_recalculate_timer(tmff);
-
- spin_unlock_irqrestore(&tmff->lock, flags);
-
- return 0;
-}
-
-static int hid_tmff_upload_effect(struct input_dev *input,
- struct ff_effect *effect)
-{
- struct hid_device *hid = input->private;
- struct tmff_device *tmff = hid->ff_private;
- int id;
- unsigned long flags;
-
- if (!test_bit(effect->type, input->ffbit))
- return -EINVAL;
- if (effect->id != -1 && !TMFF_CHECK_ID(effect->id))
- return -EINVAL;
-
- spin_lock_irqsave(&tmff->lock, flags);
-
- if (effect->id == -1) {
- /* Find a free effect */
- for (id = 0; id < TMFF_EFFECTS && test_bit(EFFECT_USED, tmff->effects[id].flags); ++id);
-
- if (id >= TMFF_EFFECTS) {
- spin_unlock_irqrestore(&tmff->lock, flags);
- return -ENOSPC;
- }
-
- effect->id = id;
- tmff->effects[id].owner = current->pid;
- tmff->effects[id].flags[0] = 0;
- set_bit(EFFECT_USED, tmff->effects[id].flags);
-
- } else {
- /* Re-uploading an owned effect, to change parameters */
- id = effect->id;
- clear_bit(EFFECT_PLAYING, tmff->effects[id].flags);