data[0] = LO(mod_chunk->start);
data[1] = HI(mod_chunk->start);
- data[2] = (100*rk)>>15; /* Dangerous: the sign is extended by gcc on plateforms providing an arith shift */
- data[3] = (100*lk)>>15; /* This code is incorrect on cpus lacking arith shift */
+ data[2] = (100 * rk) >> 15; /* Dangerous: the sign is extended by gcc on plateforms providing an arith shift */
+ data[3] = (100 * lk) >> 15; /* This code is incorrect on cpus lacking arith shift */
- center = (500*center)>>15;
+ center = (500 * center) >> 15;
data[4] = LO(center);
data[5] = HI(center);
- db = (1000*db)>>16;
+ db = (1000 * db) >> 16;
data[6] = LO(db);
data[7] = HI(db);
- data[8] = (100*rsat)>>16;
- data[9] = (100*lsat)>>16;
+ data[8] = (100 * rsat) >> 16;
+ data[9] = (100 * lsat) >> 16;
iforce_send_packet(iforce, FF_CMD_CONDITION, data);
iforce_dump_packet("condition", FF_CMD_CONDITION, data);
static unsigned char find_button(struct iforce *iforce, signed short button)
{
int i;
+
for (i = 1; iforce->type->btn[i] >= 0; i++)
if (iforce->type->btn[i] == button)
return i + 1;
* Analyse the changes in an effect, and tell if we need to send an condition
* parameter packet
*/
-static int need_condition_modifier(struct iforce* iforce, struct ff_effect* new)
+static int need_condition_modifier(struct ff_effect *old, struct ff_effect *new)
{
- int id = new->id;
- struct ff_effect* old = &iforce->core_effects[id].effect;
- int ret=0;
+ int ret = 0;
int i;
if (new->type != FF_SPRING && new->type != FF_FRICTION) {
printk(KERN_WARNING "iforce.c: bad effect type in need_condition_modifier\n");
- return FALSE;
+ return 0;
}
- for(i=0; i<2; i++) {
+ for (i = 0; i < 2; i++) {
ret |= old->u.condition[i].right_saturation != new->u.condition[i].right_saturation
|| old->u.condition[i].left_saturation != new->u.condition[i].left_saturation
|| old->u.condition[i].right_coeff != new->u.condition[i].right_coeff
* Analyse the changes in an effect, and tell if we need to send a magnitude
* parameter packet
*/
-static int need_magnitude_modifier(struct iforce* iforce, struct ff_effect* effect)
+static int need_magnitude_modifier(struct ff_effect *old, struct ff_effect *effect)
{
- int id = effect->id;
- struct ff_effect* old = &iforce->core_effects[id].effect;
-
if (effect->type != FF_CONSTANT) {
printk(KERN_WARNING "iforce.c: bad effect type in need_envelope_modifier\n");
- return FALSE;
+ return 0;
}
- return (old->u.constant.level != effect->u.constant.level);
+ return old->u.constant.level != effect->u.constant.level;
}
/*
* Analyse the changes in an effect, and tell if we need to send an envelope
* parameter packet
*/
-static int need_envelope_modifier(struct iforce* iforce, struct ff_effect* effect)
+static int need_envelope_modifier(struct ff_effect *old, struct ff_effect *effect)
{
- int id = effect->id;
- struct ff_effect* old = &iforce->core_effects[id].effect;
-
switch (effect->type) {
case FF_CONSTANT:
if (old->u.constant.envelope.attack_length != effect->u.constant.envelope.attack_length
|| old->u.constant.envelope.attack_level != effect->u.constant.envelope.attack_level
|| old->u.constant.envelope.fade_length != effect->u.constant.envelope.fade_length
|| old->u.constant.envelope.fade_level != effect->u.constant.envelope.fade_level)
- return TRUE;
+ return 1;
break;
case FF_PERIODIC:
|| old->u.periodic.envelope.attack_level != effect->u.periodic.envelope.attack_level
|| old->u.periodic.envelope.fade_length != effect->u.periodic.envelope.fade_length
|| old->u.periodic.envelope.fade_level != effect->u.periodic.envelope.fade_level)
- return TRUE;
+ return 1;
break;
default:
printk(KERN_WARNING "iforce.c: bad effect type in need_envelope_modifier\n");
}
- return FALSE;
+ return 0;
}
/*
* Analyse the changes in an effect, and tell if we need to send a periodic
* parameter effect
*/
-static int need_period_modifier(struct iforce* iforce, struct ff_effect* new)
+static int need_period_modifier(struct ff_effect *old, struct ff_effect *new)
{
- int id = new->id;
- struct ff_effect* old = &iforce->core_effects[id].effect;
-
if (new->type != FF_PERIODIC) {
- printk(KERN_WARNING "iforce.c: bad effect type in need_periodic_modifier\n");
- return FALSE;
+ printk(KERN_WARNING "iforce.c: bad effect type in need_period_modifier\n");
+ return 0;
}
-
return (old->u.periodic.period != new->u.periodic.period
|| old->u.periodic.magnitude != new->u.periodic.magnitude
|| old->u.periodic.offset != new->u.periodic.offset
* Analyse the changes in an effect, and tell if we need to send an effect
* packet
*/
-static int need_core(struct iforce* iforce, struct ff_effect* new)
+static int need_core(struct ff_effect *old, struct ff_effect *new)
{
- int id = new->id;
- struct ff_effect* old = &iforce->core_effects[id].effect;
-
if (old->direction != new->direction
|| old->trigger.button != new->trigger.button
|| old->trigger.interval != new->trigger.interval
|| old->replay.length != new->replay.length
|| old->replay.delay != new->replay.delay)
- return TRUE;
+ return 1;
- return FALSE;
+ return 0;
}
/*
* Send the part common to all effects to the device
* Upload a periodic effect to the device
* See also iforce_upload_constant.
*/
-int iforce_upload_periodic(struct iforce* iforce, struct ff_effect* effect, int is_update)
+int iforce_upload_periodic(struct iforce *iforce, struct ff_effect *effect, struct ff_effect *old)
{
u8 wave_code;
int core_id = effect->id;
int param2_err = 1;
int core_err = 0;
- if (!is_update || need_period_modifier(iforce, effect)) {
+ if (!old || need_period_modifier(old, effect)) {
param1_err = make_period_modifier(iforce, mod1_chunk,
- is_update,
+ old != NULL,
effect->u.periodic.magnitude, effect->u.periodic.offset,
effect->u.periodic.period, effect->u.periodic.phase);
- if (param1_err) return param1_err;
+ if (param1_err)
+ return param1_err;
set_bit(FF_MOD1_IS_USED, core_effect->flags);
}
- if (!is_update || need_envelope_modifier(iforce, effect)) {
+ if (!old || need_envelope_modifier(old, effect)) {
param2_err = make_envelope_modifier(iforce, mod2_chunk,
- is_update,
+ old !=NULL,
effect->u.periodic.envelope.attack_length,
effect->u.periodic.envelope.attack_level,
effect->u.periodic.envelope.fade_length,
effect->u.periodic.envelope.fade_level);
- if (param2_err) return param2_err;
+ if (param2_err)
+ return param2_err;
set_bit(FF_MOD2_IS_USED, core_effect->flags);
}
default: wave_code = 0x20; break;
}
- if (!is_update || need_core(iforce, effect)) {
+ if (!old || need_core(old, effect)) {
core_err = make_core(iforce, effect->id,
mod1_chunk->start,
mod2_chunk->start,
* 0 Ok, effect created or updated
* 1 effect did not change since last upload, and no packet was therefore sent
*/
-int iforce_upload_constant(struct iforce* iforce, struct ff_effect* effect, int is_update)
+int iforce_upload_constant(struct iforce *iforce, struct ff_effect *effect, struct ff_effect *old)
{
int core_id = effect->id;
struct iforce_core_effect* core_effect = iforce->core_effects + core_id;
int param2_err = 1;
int core_err = 0;
- if (!is_update || need_magnitude_modifier(iforce, effect)) {
+ if (!old || need_magnitude_modifier(old, effect)) {
param1_err = make_magnitude_modifier(iforce, mod1_chunk,
- is_update,
+ old != NULL,
effect->u.constant.level);
- if (param1_err) return param1_err;
+ if (param1_err)
+ return param1_err;
set_bit(FF_MOD1_IS_USED, core_effect->flags);
}
- if (!is_update || need_envelope_modifier(iforce, effect)) {
+ if (!old || need_envelope_modifier(old, effect)) {
param2_err = make_envelope_modifier(iforce, mod2_chunk,
- is_update,
+ old != NULL,
effect->u.constant.envelope.attack_length,
effect->u.constant.envelope.attack_level,
effect->u.constant.envelope.fade_length,
effect->u.constant.envelope.fade_level);
- if (param2_err) return param2_err;
+ if (param2_err)
+ return param2_err;
set_bit(FF_MOD2_IS_USED, core_effect->flags);
}
- if (!is_update || need_core(iforce, effect)) {
+ if (!old || need_core(old, effect)) {
core_err = make_core(iforce, effect->id,
mod1_chunk->start,
mod2_chunk->start,
/*
* Upload an condition effect. Those are for example friction, inertia, springs...
*/
-int iforce_upload_condition(struct iforce* iforce, struct ff_effect* effect, int is_update)
+int iforce_upload_condition(struct iforce *iforce, struct ff_effect *effect, struct ff_effect *old)
{
int core_id = effect->id;
struct iforce_core_effect* core_effect = iforce->core_effects + core_id;
int core_err = 0;
switch (effect->type) {
- case FF_SPRING: type = 0x40; break;
- case FF_DAMPER: type = 0x41; break;
+ case FF_SPRING: type = 0x40; break;
+ case FF_DAMPER: type = 0x41; break;
default: return -1;
}
- if (!is_update || need_condition_modifier(iforce, effect)) {
+ if (!old || need_condition_modifier(old, effect)) {
param_err = make_condition_modifier(iforce, mod1_chunk,
- is_update,
+ old != NULL,
effect->u.condition[0].right_saturation,
effect->u.condition[0].left_saturation,
effect->u.condition[0].right_coeff,
effect->u.condition[0].left_coeff,
effect->u.condition[0].deadband,
effect->u.condition[0].center);
- if (param_err) return param_err;
+ if (param_err)
+ return param_err;
set_bit(FF_MOD1_IS_USED, core_effect->flags);
param_err = make_condition_modifier(iforce, mod2_chunk,
- is_update,
+ old != NULL,
effect->u.condition[1].right_saturation,
effect->u.condition[1].left_saturation,
effect->u.condition[1].right_coeff,
effect->u.condition[1].left_coeff,
effect->u.condition[1].deadband,
effect->u.condition[1].center);
- if (param_err) return param_err;
+ if (param_err)
+ return param_err;
set_bit(FF_MOD2_IS_USED, core_effect->flags);
}
- if (!is_update || need_core(iforce, effect)) {
+ if (!old || need_core(old, effect)) {
core_err = make_core(iforce, effect->id,
mod1_chunk->start, mod2_chunk->start,
type, 0xc0,
{ 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 = 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_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 = dev->private;
- int id;
+ 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 = 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;
-
- if (effect_id < 0 || effect_id >= FF_EFFECTS_MAX)
- return -EINVAL;
-
- core_effect = &iforce->core_effects[effect_id];
-
- /* Check who is trying to erase this effect */
- if (core_effect->owner != current->pid) {
- printk(KERN_WARNING "iforce-main.c: %d tried to erase an effect belonging to %d\n", current->pid, core_effect->owner);
- return -EACCES;
- }
if (test_bit(FF_MOD1_IS_USED, core_effect->flags))
err = release_resource(&core_effect->mod1_chunk);
if (!err && test_bit(FF_MOD2_IS_USED, core_effect->flags))
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)
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.
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) {
+ input_free_device(input_dev);
+ return error;
+ }
+
+ 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.
*/
{
int i;
- for (i = 0; i < iforce->dev->ff_effects_max; ++i) {
+ if (!iforce->dev->ff)
+ return 0;
+
+ for (i = 0; i < iforce->dev->ff->max_effects; ++i) {
if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags) &&
(iforce->core_effects[i].mod1_chunk.start == addr ||
iforce->core_effects[i].mod2_chunk.start == addr)) {
i = data[1] & 0x7f;
if (data[1] & 0x80) {
if (!test_and_set_bit(FF_CORE_IS_PLAYED, iforce->core_effects[i].flags)) {
- /* Report play event */
- input_report_ff_status(dev, i, FF_STATUS_PLAYING);
+ /* Report play event */
+ input_report_ff_status(dev, i, FF_STATUS_PLAYING);
}
- }
- else if (test_and_clear_bit(FF_CORE_IS_PLAYED, iforce->core_effects[i].flags)) {
+ } else if (test_and_clear_bit(FF_CORE_IS_PLAYED, iforce->core_effects[i].flags)) {
/* Report stop event */
input_report_ff_status(dev, i, FF_STATUS_STOPPED);
}
if (LO(cmd) > 3) {
int j;
- for (j=3; j<LO(cmd); j+=2) {
+ for (j = 3; j < LO(cmd); j += 2)
mark_core_as_ready(iforce, data[j] | (data[j+1]<<8));
- }
}
break;
}
#define IFORCE_232 1
#define IFORCE_USB 2
-#define FALSE 0
-#define TRUE 1
-
-#define FF_EFFECTS_MAX 32
+#define IFORCE_EFFECTS_MAX 32
/* Each force feedback effect is made of one core effect, which can be
* associated to at most to effect modifiers
#define FF_CORE_UPDATE 5 /* Effect is being updated */
#define FF_MODCORE_MAX 5
-#define CHECK_OWNERSHIP(i, iforce) \
- ((i) < FF_EFFECTS_MAX && i >= 0 && \
- test_bit(FF_CORE_IS_USED, (iforce)->core_effects[(i)].flags) && \
- (current->pid == 0 || \
- (iforce)->core_effects[(i)].owner == current->pid))
-
struct iforce_core_effect {
/* Information about where modifiers are stored in the device's memory */
struct resource mod1_chunk;
struct resource mod2_chunk;
unsigned long flags[NBITS(FF_MODCORE_MAX)];
- pid_t owner;
- /* Used to keep track of parameters of an effect. They are needed
- * to know what parts of an effect changed in an update operation.
- * We try to send only parameter packets if possible, as sending
- * effect parameter requires the effect to be stoped and restarted
- */
- struct ff_effect effect;
};
#define FF_CMD_EFFECT 0x010e
/* Force Feedback */
wait_queue_head_t wait;
struct resource device_memory;
- struct iforce_core_effect core_effects[FF_EFFECTS_MAX];
+ struct iforce_core_effect core_effects[IFORCE_EFFECTS_MAX];
struct mutex mem_mutex;
};
int iforce_get_id_packet(struct iforce *iforce, char *packet);
/* iforce-ff.c */
-int iforce_upload_periodic(struct iforce*, struct ff_effect*, int is_update);
-int iforce_upload_constant(struct iforce*, struct ff_effect*, int is_update);
-int iforce_upload_condition(struct iforce*, struct ff_effect*, int is_update);
+int iforce_upload_periodic(struct iforce *, struct ff_effect *, struct ff_effect *);
+int iforce_upload_constant(struct iforce *, struct ff_effect *, struct ff_effect *);
+int iforce_upload_condition(struct iforce *, struct ff_effect *, struct ff_effect *);
/* Public variables */
extern struct serio_driver iforce_serio_drv;
projects / deliverable / linux.git / commitdiff
