Commit a062cc5a authored by Stephane Chatty's avatar Stephane Chatty Committed by Jiri Kosina
Browse files

HID: hid-multitouch: add support for the IDEACOM 6650 chip 



The IDEACOM 6650 multitouch chip, present in various all-in-one computers,
uses the serial version of the HID multitouch protocol. No existing class
supports this.

In principle, the new MT_CLS_SERIAL should work for other
serial panels as well, perhaps including some eGalax panels.

Signed-off-by: default avatarStephane Chatty <chatty@enac.fr>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent c50bb1a4

drivers/hid/hid-core.c

+1 −0
Original line number Diff line number Diff line
@@ -1388,6 +1388,7 @@ static const struct hid_device_id hid_have_special_driver[] = { 
	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_HANVON, USB_DEVICE_ID_HANVON_MULTITOUCH) },

 	{ HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM, USB_DEVICE_ID_IDEACOM_IDC6650) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_ILITEK, USB_DEVICE_ID_ILITEK_MULTITOUCH) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS, USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },

drivers/hid/hid-ids.h

+3 −0
Original line number Diff line number Diff line
@@ -347,6 +347,9 @@ 
#define USB_DEVICE_ID_UGCI_FLYING	0x0020

#define USB_DEVICE_ID_UGCI_FIGHTING	0x0030



#define USB_VENDOR_ID_IDEACOM		0x1cb6

#define USB_DEVICE_ID_IDEACOM_IDC6650	0x6650



#define USB_VENDOR_ID_ILITEK		0x222a

#define USB_DEVICE_ID_ILITEK_MULTITOUCH	0x0001

drivers/hid/hid-multitouch.c

+21 −10
Original line number Diff line number Diff line
@@ -47,10 +47,11 @@ MODULE_LICENSE("GPL"); 
#define MT_QUIRK_SLOT_IS_CONTACTID	(1 << 1)

#define MT_QUIRK_CYPRESS		(1 << 2)

#define MT_QUIRK_SLOT_IS_CONTACTNUMBER	(1 << 3)

#define MT_QUIRK_VALID_IS_INRANGE	(1 << 4)

#define MT_QUIRK_VALID_IS_CONFIDENCE	(1 << 5)

#define MT_QUIRK_EGALAX_XYZ_FIXUP	(1 << 6)

#define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE	(1 << 7)

#define MT_QUIRK_ALWAYS_VALID		(1 << 4)

#define MT_QUIRK_VALID_IS_INRANGE	(1 << 5)

#define MT_QUIRK_VALID_IS_CONFIDENCE	(1 << 6)

#define MT_QUIRK_EGALAX_XYZ_FIXUP	(1 << 7)

#define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE	(1 << 8)



struct mt_slot {

	__s32 x, y, p, w, h;
@@ -86,11 +87,12 @@ struct mt_class { 
/* classes of device behavior */

#define MT_CLS_DEFAULT				0x0001



#define MT_CLS_CONFIDENCE			0x0002

#define MT_CLS_CONFIDENCE_MINUS_ONE		0x0003

#define MT_CLS_DUAL_INRANGE_CONTACTID		0x0004

#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER	0x0005

#define MT_CLS_DUAL_NSMU_CONTACTID		0x0006

#define MT_CLS_SERIAL				0x0002

#define MT_CLS_CONFIDENCE			0x0003

#define MT_CLS_CONFIDENCE_MINUS_ONE		0x0004

#define MT_CLS_DUAL_INRANGE_CONTACTID		0x0005

#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER	0x0006

#define MT_CLS_DUAL_NSMU_CONTACTID		0x0007



/* vendor specific classes */

#define MT_CLS_3M				0x0101
@@ -134,6 +136,8 @@ static int find_slot_from_contactid(struct mt_device *td) 
struct mt_class mt_classes[] = {

	{ .name = MT_CLS_DEFAULT,

		.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },

	{ .name = MT_CLS_SERIAL,

		.quirks = MT_QUIRK_ALWAYS_VALID},

	{ .name = MT_CLS_CONFIDENCE,

		.quirks = MT_QUIRK_VALID_IS_CONFIDENCE },

	{ .name = MT_CLS_CONFIDENCE_MINUS_ONE,
@@ -445,7 +449,9 @@ static int mt_event(struct hid_device *hid, struct hid_field *field, 
	if (hid->claimed & HID_CLAIMED_INPUT && td->slots) {

		switch (usage->hid) {

		case HID_DG_INRANGE:

			if (quirks & MT_QUIRK_VALID_IS_INRANGE)

			if (quirks & MT_QUIRK_ALWAYS_VALID)

				td->curvalid = true;

			else if (quirks & MT_QUIRK_VALID_IS_INRANGE)

				td->curvalid = value;

			break;

		case HID_DG_TIPSWITCH:
@@ -672,6 +678,11 @@ static const struct hid_device_id mt_devices[] = { 
		HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,

			USB_DEVICE_ID_GOODTOUCH_000f) },



	/* Ideacom panel */

	{ .driver_data = MT_CLS_SERIAL,

		HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM,

			USB_DEVICE_ID_IDEACOM_IDC6650) },



	/* Ilitek dual touch panel */

	{  .driver_data = MT_CLS_DEFAULT,

		HID_USB_DEVICE(USB_VENDOR_ID_ILITEK,

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