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path: root/drivers/hid/hid-multitouch.c
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Diffstat (limited to 'drivers/hid/hid-multitouch.c')
-rw-r--r--drivers/hid/hid-multitouch.c163
1 files changed, 114 insertions, 49 deletions
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 61543c02ea0..7a1ebb867cf 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -54,6 +54,7 @@ MODULE_LICENSE("GPL");
#define MT_QUIRK_NO_AREA (1 << 9)
#define MT_QUIRK_IGNORE_DUPLICATES (1 << 10)
#define MT_QUIRK_HOVERING (1 << 11)
+#define MT_QUIRK_CONTACT_CNT_ACCURATE (1 << 12)
struct mt_slot {
__s32 x, y, cx, cy, p, w, h;
@@ -83,8 +84,11 @@ struct mt_device {
struct mt_class mtclass; /* our mt device class */
struct mt_fields *fields; /* temporary placeholder for storing the
multitouch fields */
+ int cc_index; /* contact count field index in the report */
+ int cc_value_index; /* contact count value index in the field */
unsigned last_field_index; /* last field index of the report */
unsigned last_slot_field; /* the last field of a slot */
+ unsigned mt_report_id; /* the report ID of the multitouch device */
__s8 inputmode; /* InputMode HID feature, -1 if non-existent */
__s8 inputmode_index; /* InputMode HID feature index in the report */
__s8 maxcontact_report_id; /* Maximum Contact Number HID feature,
@@ -111,6 +115,9 @@ struct mt_device {
#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
#define MT_CLS_DUAL_NSMU_CONTACTID 0x0008
#define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
+#define MT_CLS_NSMU 0x000a
+#define MT_CLS_DUAL_CONTACT_NUMBER 0x0010
+#define MT_CLS_DUAL_CONTACT_ID 0x0011
/* vendor specific classes */
#define MT_CLS_3M 0x0101
@@ -144,6 +151,9 @@ static int cypress_compute_slot(struct mt_device *td)
static struct mt_class mt_classes[] = {
{ .name = MT_CLS_DEFAULT,
+ .quirks = MT_QUIRK_ALWAYS_VALID |
+ MT_QUIRK_CONTACT_CNT_ACCURATE },
+ { .name = MT_CLS_NSMU,
.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
{ .name = MT_CLS_SERIAL,
.quirks = MT_QUIRK_ALWAYS_VALID},
@@ -170,6 +180,16 @@ static struct mt_class mt_classes[] = {
{ .name = MT_CLS_INRANGE_CONTACTNUMBER,
.quirks = MT_QUIRK_VALID_IS_INRANGE |
MT_QUIRK_SLOT_IS_CONTACTNUMBER },
+ { .name = MT_CLS_DUAL_CONTACT_NUMBER,
+ .quirks = MT_QUIRK_ALWAYS_VALID |
+ MT_QUIRK_CONTACT_CNT_ACCURATE |
+ MT_QUIRK_SLOT_IS_CONTACTNUMBER,
+ .maxcontacts = 2 },
+ { .name = MT_CLS_DUAL_CONTACT_ID,
+ .quirks = MT_QUIRK_ALWAYS_VALID |
+ MT_QUIRK_CONTACT_CNT_ACCURATE |
+ MT_QUIRK_SLOT_IS_CONTACTID,
+ .maxcontacts = 2 },
/*
* vendor specific classes
@@ -250,6 +270,9 @@ static ssize_t mt_set_quirks(struct device *dev,
td->mtclass.quirks = val;
+ if (td->cc_index < 0)
+ td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
+
return count;
}
@@ -301,6 +324,7 @@ static void mt_feature_mapping(struct hid_device *hdev,
*quirks |= MT_QUIRK_ALWAYS_VALID;
*quirks |= MT_QUIRK_IGNORE_DUPLICATES;
*quirks |= MT_QUIRK_HOVERING;
+ *quirks |= MT_QUIRK_CONTACT_CNT_ACCURATE;
*quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
*quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
*quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
@@ -428,6 +452,7 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
mt_store_field(usage, td, hi);
td->last_field_index = field->index;
td->touches_by_report++;
+ td->mt_report_id = field->report->id;
return 1;
case HID_DG_WIDTH:
hid_map_usage(hi, usage, bit, max,
@@ -459,6 +484,8 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
td->last_field_index = field->index;
return 1;
case HID_DG_CONTACTCOUNT:
+ td->cc_index = field->index;
+ td->cc_value_index = usage->usage_index;
td->last_field_index = field->index;
return 1;
case HID_DG_CONTACTMAX:
@@ -523,6 +550,10 @@ static int mt_compute_slot(struct mt_device *td, struct input_dev *input)
*/
static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
{
+ if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) &&
+ td->num_received >= td->num_expected)
+ return;
+
if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) {
int slotnum = mt_compute_slot(td, input);
struct mt_slot *s = &td->curdata;
@@ -578,6 +609,16 @@ static void mt_sync_frame(struct mt_device *td, struct input_dev *input)
static int mt_event(struct hid_device *hid, struct hid_field *field,
struct hid_usage *usage, __s32 value)
{
+ /* we will handle the hidinput part later, now remains hiddev */
+ if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
+ hid->hiddev_hid_event(hid, field, usage, value);
+
+ return 1;
+}
+
+static void mt_process_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;
@@ -623,20 +664,13 @@ static int mt_event(struct hid_device *hid, struct hid_field *field,
td->curdata.h = value;
break;
case HID_DG_CONTACTCOUNT:
- /*
- * Includes multi-packet support where subsequent
- * packets are sent with zero contactcount.
- */
- if (value)
- td->num_expected = value;
break;
case HID_DG_TOUCH:
/* do nothing */
break;
default:
- /* fallback to the generic hidinput handling */
- return 0;
+ return;
}
if (usage->usage_index + 1 == field->report_count) {
@@ -650,12 +684,43 @@ static int mt_event(struct hid_device *hid, struct hid_field *field,
}
}
+}
- /* we have handled the hidinput part, now remains hiddev */
- if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
- hid->hiddev_hid_event(hid, field, usage, value);
+static void mt_report(struct hid_device *hid, struct hid_report *report)
+{
+ struct mt_device *td = hid_get_drvdata(hid);
+ struct hid_field *field;
+ unsigned count;
+ int r, n;
- return 1;
+ if (report->id != td->mt_report_id)
+ return;
+
+ if (!(hid->claimed & HID_CLAIMED_INPUT))
+ return;
+
+ /*
+ * Includes multi-packet support where subsequent
+ * packets are sent with zero contactcount.
+ */
+ if (td->cc_index >= 0) {
+ struct hid_field *field = report->field[td->cc_index];
+ int value = field->value[td->cc_value_index];
+ if (value)
+ td->num_expected = value;
+ }
+
+ for (r = 0; r < report->maxfield; r++) {
+ field = report->field[r];
+ count = field->report_count;
+
+ if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
+ continue;
+
+ for (n = 0; n < count; n++)
+ mt_process_mt_event(hid, field, &field->usage[n],
+ field->value[n]);
+ }
}
static void mt_set_input_mode(struct hid_device *hdev)
@@ -711,6 +776,7 @@ static void mt_post_parse_default_settings(struct mt_device *td)
quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
+ quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
}
td->mtclass.quirks = quirks;
@@ -719,11 +785,15 @@ static void mt_post_parse_default_settings(struct mt_device *td)
static void mt_post_parse(struct mt_device *td)
{
struct mt_fields *f = td->fields;
+ struct mt_class *cls = &td->mtclass;
if (td->touches_by_report > 0) {
int field_count_per_touch = f->length / td->touches_by_report;
td->last_slot_field = f->usages[field_count_per_touch - 1];
}
+
+ if (td->cc_index < 0)
+ cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
}
static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
@@ -781,6 +851,7 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
td->mtclass = *mtclass;
td->inputmode = -1;
td->maxcontact_report_id = -1;
+ td->cc_index = -1;
hid_set_drvdata(hdev, td);
td->fields = kzalloc(sizeof(struct mt_fields), GFP_KERNEL);
@@ -875,7 +946,7 @@ static const struct hid_device_id mt_devices[] = {
USB_DEVICE_ID_3M3266) },
/* ActionStar panels */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR,
USB_DEVICE_ID_ACTIONSTAR_1011) },
@@ -888,14 +959,14 @@ static const struct hid_device_id mt_devices[] = {
USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) },
/* Baanto multitouch devices */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_BAANTO,
USB_DEVICE_ID_BAANTO_MT_190W2) },
/* Cando panels */
{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
- { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
+ { .driver_data = MT_CLS_DUAL_CONTACT_NUMBER,
MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
@@ -906,12 +977,12 @@ static const struct hid_device_id mt_devices[] = {
USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
/* Chunghwa Telecom touch panels */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
/* CVTouch panels */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
USB_DEVICE_ID_CVTOUCH_SCREEN) },
@@ -982,7 +1053,7 @@ static const struct hid_device_id mt_devices[] = {
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) },
/* Elo TouchSystems IntelliTouch Plus panel */
- { .driver_data = MT_CLS_DUAL_NSMU_CONTACTID,
+ { .driver_data = MT_CLS_DUAL_CONTACT_ID,
MT_USB_DEVICE(USB_VENDOR_ID_ELO,
USB_DEVICE_ID_ELO_TS2515) },
@@ -1000,12 +1071,12 @@ static const struct hid_device_id mt_devices[] = {
USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) },
/* Gametel game controller */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
USB_DEVICE_ID_GAMETEL_MT_MODE) },
/* GoodTouch panels */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
USB_DEVICE_ID_GOODTOUCH_000f) },
@@ -1023,7 +1094,7 @@ static const struct hid_device_id mt_devices[] = {
USB_DEVICE_ID_IDEACOM_IDC6651) },
/* Ilitek dual touch panel */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_ILITEK,
USB_DEVICE_ID_ILITEK_MULTITOUCH) },
@@ -1056,6 +1127,11 @@ static const struct hid_device_id mt_devices[] = {
MT_USB_DEVICE(USB_VENDOR_ID_TURBOX,
USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
+ /* Nexio panels */
+ { .driver_data = MT_CLS_DEFAULT,
+ MT_USB_DEVICE(USB_VENDOR_ID_NEXIO,
+ USB_DEVICE_ID_NEXIO_MULTITOUCH_420)},
+
/* Panasonic panels */
{ .driver_data = MT_CLS_PANASONIC,
MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
@@ -1065,7 +1141,7 @@ static const struct hid_device_id mt_devices[] = {
USB_DEVICE_ID_PANABOARD_UBT880) },
/* Novatek Panel */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK,
USB_DEVICE_ID_NOVATEK_PCT) },
@@ -1111,7 +1187,7 @@ static const struct hid_device_id mt_devices[] = {
{ .driver_data = MT_CLS_CONFIDENCE,
MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
USB_DEVICE_ID_MTP_STM)},
- { .driver_data = MT_CLS_CONFIDENCE,
+ { .driver_data = MT_CLS_DEFAULT,
MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX,
USB_DEVICE_ID_MTP_SITRONIX)},
@@ -1121,48 +1197,48 @@ static const struct hid_device_id mt_devices[] = {
USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },
/* Touch International panels */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
/* Unitec panels */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
/* XAT */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XAT,
USB_DEVICE_ID_XAT_CSR) },
/* Xiroku */
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
USB_DEVICE_ID_XIROKU_SPX) },
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
USB_DEVICE_ID_XIROKU_MPX) },
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
USB_DEVICE_ID_XIROKU_CSR) },
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
USB_DEVICE_ID_XIROKU_SPX1) },
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
USB_DEVICE_ID_XIROKU_MPX1) },
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
USB_DEVICE_ID_XIROKU_CSR1) },
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
USB_DEVICE_ID_XIROKU_SPX2) },
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
USB_DEVICE_ID_XIROKU_MPX2) },
- { .driver_data = MT_CLS_DEFAULT,
+ { .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
USB_DEVICE_ID_XIROKU_CSR2) },
@@ -1193,21 +1269,10 @@ static struct hid_driver mt_driver = {
.feature_mapping = mt_feature_mapping,
.usage_table = mt_grabbed_usages,
.event = mt_event,
+ .report = mt_report,
#ifdef CONFIG_PM
.reset_resume = mt_reset_resume,
.resume = mt_resume,
#endif
};
-
-static int __init mt_init(void)
-{
- return hid_register_driver(&mt_driver);
-}
-
-static void __exit mt_exit(void)
-{
- hid_unregister_driver(&mt_driver);
-}
-
-module_init(mt_init);
-module_exit(mt_exit);
+module_hid_driver(mt_driver);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-26 19:42:57 +0000