#define MT_QUIRK_VALID_IS_INRANGE (1 << 5)
#define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 6)
#define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8)
+#define MT_QUIRK_NO_AREA (1 << 9)
struct mt_slot {
__s32 x, y, p, w, h;
__s32 contactid; /* the device ContactID assigned to this slot */
bool touch_state; /* is the touch valid? */
- bool seen_in_this_frame;/* has this slot been updated */
};
struct mt_class {
__u8 touches_by_report; /* how many touches are present in one report:
* 1 means we should use a serial protocol
* > 1 means hybrid (multitouch) protocol */
+ bool serial_maybe; /* need to check for serial protocol */
bool curvalid; /* is the current contact valid? */
- struct mt_slot *slots;
+ unsigned mt_flags; /* flags to pass to input-mt */
};
/* classes of device behavior */
#define MT_CLS_EGALAX_SERIAL 0x0104
#define MT_CLS_TOPSEED 0x0105
#define MT_CLS_PANASONIC 0x0106
-#define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0107
-#define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0108
+#define MT_CLS_FLATFROG 0x0107
+#define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108
+#define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109
#define MT_DEFAULT_MAXCONTACT 10
return -1;
}
-static int find_slot_from_contactid(struct mt_device *td)
-{
- int i;
- for (i = 0; i < td->maxcontacts; ++i) {
- if (td->slots[i].contactid == td->curdata.contactid &&
- td->slots[i].touch_state)
- return i;
- }
- for (i = 0; i < td->maxcontacts; ++i) {
- if (!td->slots[i].seen_in_this_frame &&
- !td->slots[i].touch_state)
- return i;
- }
- /* should not occurs. If this happens that means
- * that the device sent more touches that it says
- * in the report descriptor. It is ignored then. */
- return -1;
-}
-
static struct mt_class mt_classes[] = {
{ .name = MT_CLS_DEFAULT,
.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
MT_QUIRK_SLOT_IS_CONTACTID,
.sn_move = 2048,
.sn_width = 128,
- .sn_height = 128 },
+ .sn_height = 128,
+ .maxcontacts = 60,
+ },
{ .name = MT_CLS_CYPRESS,
.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
MT_QUIRK_CYPRESS,
.maxcontacts = 10
},
+ { .name = MT_CLS_FLATFROG,
+ .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
+ MT_QUIRK_NO_AREA,
+ .sn_move = 2048,
+ .maxcontacts = 40,
+ },
{ }
};
* We need to ignore fields that belong to other collections
* such as Mouse that might have the same GenericDesktop usages. */
if (field->application == HID_DG_TOUCHSCREEN)
- set_bit(INPUT_PROP_DIRECT, hi->input->propbit);
+ td->mt_flags |= INPUT_MT_DIRECT;
else if (field->application != HID_DG_TOUCHPAD)
return 0;
- /* In case of an indirect device (touchpad), we need to add
- * specific BTN_TOOL_* to be handled by the synaptics xorg
- * driver.
- * We also consider that touchscreens providing buttons are touchpads.
+ /*
+ * Model touchscreens providing buttons as touchpads.
*/
if (field->application == HID_DG_TOUCHPAD ||
- (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON ||
- cls->is_indirect) {
- set_bit(INPUT_PROP_POINTER, hi->input->propbit);
- set_bit(BTN_TOOL_FINGER, hi->input->keybit);
- set_bit(BTN_TOOL_DOUBLETAP, hi->input->keybit);
- set_bit(BTN_TOOL_TRIPLETAP, hi->input->keybit);
- set_bit(BTN_TOOL_QUADTAP, hi->input->keybit);
- }
+ (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON)
+ td->mt_flags |= INPUT_MT_POINTER;
/* eGalax devices provide a Digitizer.Stylus input which overrides
* the correct Digitizers.Finger X/Y ranges.
EV_ABS, ABS_MT_POSITION_X);
set_abs(hi->input, ABS_MT_POSITION_X, field,
cls->sn_move);
- /* touchscreen emulation */
- set_abs(hi->input, ABS_X, field, cls->sn_move);
mt_store_field(usage, td, hi);
td->last_field_index = field->index;
return 1;
EV_ABS, ABS_MT_POSITION_Y);
set_abs(hi->input, ABS_MT_POSITION_Y, field,
cls->sn_move);
- /* touchscreen emulation */
- set_abs(hi->input, ABS_Y, field, cls->sn_move);
mt_store_field(usage, td, hi);
td->last_field_index = field->index;
return 1;
td->last_field_index = field->index;
return 1;
case HID_DG_CONTACTID:
- if (!td->maxcontacts)
- td->maxcontacts = MT_DEFAULT_MAXCONTACT;
- input_mt_init_slots(hi->input, td->maxcontacts);
mt_store_field(usage, td, hi);
td->last_field_index = field->index;
td->touches_by_report++;
case HID_DG_WIDTH:
hid_map_usage(hi, usage, bit, max,
EV_ABS, ABS_MT_TOUCH_MAJOR);
- set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
- cls->sn_width);
+ if (!(cls->quirks & MT_QUIRK_NO_AREA))
+ set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
+ cls->sn_width);
mt_store_field(usage, td, hi);
td->last_field_index = field->index;
return 1;
case HID_DG_HEIGHT:
hid_map_usage(hi, usage, bit, max,
EV_ABS, ABS_MT_TOUCH_MINOR);
- set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
- cls->sn_height);
- input_set_abs_params(hi->input,
+ if (!(cls->quirks & MT_QUIRK_NO_AREA)) {
+ set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
+ cls->sn_height);
+ input_set_abs_params(hi->input,
ABS_MT_ORIENTATION, 0, 1, 0, 0);
+ }
mt_store_field(usage, td, hi);
td->last_field_index = field->index;
return 1;
EV_ABS, ABS_MT_PRESSURE);
set_abs(hi->input, ABS_MT_PRESSURE, field,
cls->sn_pressure);
- /* touchscreen emulation */
- set_abs(hi->input, ABS_PRESSURE, field,
- cls->sn_pressure);
mt_store_field(usage, td, hi);
td->last_field_index = field->index;
return 1;
return -1;
}
-static int mt_compute_slot(struct mt_device *td)
+static int mt_compute_slot(struct mt_device *td, struct input_dev *input)
{
__s32 quirks = td->mtclass.quirks;
if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
return td->curdata.contactid - 1;
- return find_slot_from_contactid(td);
+ return input_mt_get_slot_by_key(input, td->curdata.contactid);
}
/*
* this function is called when a whole contact has been processed,
* so that it can assign it to a slot and store the data there
*/
-static void mt_complete_slot(struct mt_device *td)
+static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
{
- td->curdata.seen_in_this_frame = true;
if (td->curvalid) {
- int slotnum = mt_compute_slot(td);
-
- if (slotnum >= 0 && slotnum < td->maxcontacts)
- td->slots[slotnum] = td->curdata;
- }
- td->num_received++;
-}
-
+ int slotnum = mt_compute_slot(td, input);
+ struct mt_slot *s = &td->curdata;
-/*
- * this function is called when a whole packet has been received and processed,
- * so that it can decide what to send to the input layer.
- */
-static void mt_emit_event(struct mt_device *td, struct input_dev *input)
-{
- int i;
+ if (slotnum < 0 || slotnum >= td->maxcontacts)
+ return;
- for (i = 0; i < td->maxcontacts; ++i) {
- struct mt_slot *s = &(td->slots[i]);
- if ((td->mtclass.quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) &&
- !s->seen_in_this_frame) {
- s->touch_state = false;
- }
-
- input_mt_slot(input, i);
+ input_mt_slot(input, slotnum);
input_mt_report_slot_state(input, MT_TOOL_FINGER,
s->touch_state);
if (s->touch_state) {
input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
}
- s->seen_in_this_frame = false;
-
}
- input_mt_report_pointer_emulation(input, true);
+ td->num_received++;
+}
+
+/*
+ * this function is called when a whole packet has been received and processed,
+ * so that it can decide what to send to the input layer.
+ */
+static void mt_sync_frame(struct mt_device *td, struct input_dev *input)
+{
+ input_mt_sync_frame(input);
input_sync(input);
td->num_received = 0;
}
-
-
static int mt_event(struct hid_device *hid, struct hid_field *field,
struct hid_usage *usage, __s32 value)
{
struct mt_device *td = hid_get_drvdata(hid);
__s32 quirks = td->mtclass.quirks;
- if (hid->claimed & HID_CLAIMED_INPUT && td->slots) {
+ if (hid->claimed & HID_CLAIMED_INPUT) {
switch (usage->hid) {
case HID_DG_INRANGE:
if (quirks & MT_QUIRK_ALWAYS_VALID)
}
if (usage->hid == td->last_slot_field)
- mt_complete_slot(td);
+ mt_complete_slot(td, field->hidinput->input);
if (field->index == td->last_field_index
&& td->num_received >= td->num_expected)
- mt_emit_event(td, field->hidinput->input);
+ mt_sync_frame(td, field->hidinput->input);
}
}
}
+static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
+
+{
+ struct mt_device *td = hid_get_drvdata(hdev);
+ struct mt_class *cls = &td->mtclass;
+ struct input_dev *input = hi->input;
+
+ /* Only initialize slots for MT input devices */
+ if (!test_bit(ABS_MT_POSITION_X, input->absbit))
+ return;
+
+ if (!td->maxcontacts)
+ td->maxcontacts = MT_DEFAULT_MAXCONTACT;
+
+ mt_post_parse(td);
+ if (td->serial_maybe)
+ mt_post_parse_default_settings(td);
+
+ if (cls->is_indirect)
+ td->mt_flags |= INPUT_MT_POINTER;
+
+ if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
+ td->mt_flags |= INPUT_MT_DROP_UNUSED;
+
+ input_mt_init_slots(input, td->maxcontacts, td->mt_flags);
+
+ td->mt_flags = 0;
+}
+
static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret, i;
goto fail;
}
+ if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
+ td->serial_maybe = true;
+
ret = hid_parse(hdev);
if (ret != 0)
goto fail;
if (ret)
goto fail;
- mt_post_parse(td);
-
- if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
- mt_post_parse_default_settings(td);
-
- td->slots = kzalloc(td->maxcontacts * sizeof(struct mt_slot),
- GFP_KERNEL);
- if (!td->slots) {
- dev_err(&hdev->dev, "cannot allocate multitouch slots\n");
- hid_hw_stop(hdev);
- ret = -ENOMEM;
- goto fail;
- }
-
ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
mt_set_maxcontacts(hdev);
struct mt_device *td = hid_get_drvdata(hdev);
sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
hid_hw_stop(hdev);
- kfree(td->slots);
kfree(td);
hid_set_drvdata(hdev, NULL);
}
MT_USB_DEVICE(USB_VENDOR_ID_ELO,
USB_DEVICE_ID_ELO_TS2515) },
+ /* Flatfrog Panels */
+ { .driver_data = MT_CLS_FLATFROG,
+ MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG,
+ USB_DEVICE_ID_MULTITOUCH_3200) },
+
/* GeneralTouch panel */
{ .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
.remove = mt_remove,
.input_mapping = mt_input_mapping,
.input_mapped = mt_input_mapped,
+ .input_configured = mt_input_configured,
.feature_mapping = mt_feature_mapping,
.usage_table = mt_grabbed_usages,
.event = mt_event,
projects / linux-imx.git / blobdiff