diff options
Diffstat (limited to 'drivers/hid/hid-multitouch.c')
| -rw-r--r-- | drivers/hid/hid-multitouch.c | 76 |
1 files changed, 64 insertions, 12 deletions
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 07d3183fdde5..ee01e65e22d6 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -5,6 +5,12 @@ * Copyright (c) 2010-2011 Benjamin Tissoires <benjamin.tissoires@gmail.com> * Copyright (c) 2010-2011 Ecole Nationale de l'Aviation Civile, France * + * This code is partly based on hid-egalax.c: + * + * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr> + * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> + * Copyright (c) 2010 Canonical, Ltd. + * */ /* @@ -24,6 +30,7 @@ MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>"); +MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>"); MODULE_DESCRIPTION("HID multitouch panels"); MODULE_LICENSE("GPL"); @@ -36,6 +43,7 @@ MODULE_LICENSE("GPL"); #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) struct mt_slot { __s32 x, y, p, w, h; @@ -65,10 +73,11 @@ struct mt_class { }; /* classes of device behavior */ -#define MT_CLS_DEFAULT 1 -#define MT_CLS_DUAL1 2 -#define MT_CLS_DUAL2 3 -#define MT_CLS_CYPRESS 4 +#define MT_CLS_DEFAULT 1 +#define MT_CLS_DUAL_INRANGE_CONTACTID 2 +#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 3 +#define MT_CLS_CYPRESS 4 +#define MT_CLS_EGALAX 5 /* * these device-dependent functions determine what slot corresponds @@ -104,13 +113,13 @@ static int find_slot_from_contactid(struct mt_device *td) struct mt_class mt_classes[] = { { .name = MT_CLS_DEFAULT, - .quirks = MT_QUIRK_VALID_IS_INRANGE, + .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP, .maxcontacts = 10 }, - { .name = MT_CLS_DUAL1, + { .name = MT_CLS_DUAL_INRANGE_CONTACTID, .quirks = MT_QUIRK_VALID_IS_INRANGE | MT_QUIRK_SLOT_IS_CONTACTID, .maxcontacts = 2 }, - { .name = MT_CLS_DUAL2, + { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, .quirks = MT_QUIRK_VALID_IS_INRANGE | MT_QUIRK_SLOT_IS_CONTACTNUMBER, .maxcontacts = 2 }, @@ -119,10 +128,18 @@ struct mt_class mt_classes[] = { MT_QUIRK_CYPRESS, .maxcontacts = 10 }, + { .name = MT_CLS_EGALAX, + .quirks = MT_QUIRK_SLOT_IS_CONTACTID | + MT_QUIRK_VALID_IS_INRANGE | + MT_QUIRK_EGALAX_XYZ_FIXUP, + .maxcontacts = 2, + .sn_move = 4096, + .sn_pressure = 32, + }, { } }; -static void mt_feature_mapping(struct hid_device *hdev, struct hid_input *hi, +static void mt_feature_mapping(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage) { if (usage->hid == HID_DG_INPUTMODE) { @@ -146,11 +163,15 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, { struct mt_device *td = hid_get_drvdata(hdev); struct mt_class *cls = td->mtclass; + __s32 quirks = cls->quirks; + switch (usage->hid & HID_USAGE_PAGE) { case HID_UP_GENDESK: switch (usage->hid) { case HID_GD_X: + if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP) + field->logical_maximum = 32760; hid_map_usage(hi, usage, bit, max, EV_ABS, ABS_MT_POSITION_X); set_abs(hi->input, ABS_MT_POSITION_X, field, @@ -160,6 +181,8 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, td->last_slot_field = usage->hid; return 1; case HID_GD_Y: + if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP) + field->logical_maximum = 32760; hid_map_usage(hi, usage, bit, max, EV_ABS, ABS_MT_POSITION_Y); set_abs(hi->input, ABS_MT_POSITION_Y, field, @@ -203,6 +226,8 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, td->last_slot_field = usage->hid; return 1; case HID_DG_TIPPRESSURE: + if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP) + field->logical_minimum = 0; hid_map_usage(hi, usage, bit, max, EV_ABS, ABS_MT_PRESSURE); set_abs(hi->input, ABS_MT_PRESSURE, field, @@ -363,8 +388,11 @@ static int mt_event(struct hid_device *hid, struct hid_field *field, return 0; } - if (usage->hid == td->last_slot_field) + if (usage->hid == td->last_slot_field) { mt_complete_slot(td); + if (!td->last_field_index) + mt_emit_event(td, field->hidinput->input); + } if (field->index == td->last_field_index && td->num_received >= td->num_expected) @@ -466,18 +494,42 @@ static const struct hid_device_id mt_devices[] = { USB_DEVICE_ID_CYPRESS_TRUETOUCH) }, /* GeneralTouch panel */ - { .driver_data = MT_CLS_DUAL2, + { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, + /* IRTOUCH panels */ + { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, + HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS, + USB_DEVICE_ID_IRTOUCH_INFRARED_USB) }, + /* PixCir-based panels */ - { .driver_data = MT_CLS_DUAL1, + { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, HID_USB_DEVICE(USB_VENDOR_ID_HANVON, USB_DEVICE_ID_HANVON_MULTITOUCH) }, - { .driver_data = MT_CLS_DUAL1, + { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, + /* Resistive eGalax devices */ + { .driver_data = MT_CLS_EGALAX, + HID_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH) }, + { .driver_data = MT_CLS_EGALAX, + HID_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH3) }, + + /* Capacitive eGalax devices */ + { .driver_data = MT_CLS_EGALAX, + HID_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH1) }, + { .driver_data = MT_CLS_EGALAX, + HID_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH2) }, + { .driver_data = MT_CLS_EGALAX, + HID_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH4) }, + { } }; MODULE_DEVICE_TABLE(hid, mt_devices); |