diff options
Diffstat (limited to 'drivers/hid/hid-multitouch.c')
| -rw-r--r-- | drivers/hid/hid-multitouch.c | 82 |
1 files changed, 76 insertions, 6 deletions
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 8250cc0fd5f4..0d3113969c43 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -84,6 +84,7 @@ struct mt_class { __s32 sn_pressure; /* Signal/noise ratio for pressure events */ __u8 maxcontacts; bool is_indirect; /* true for touchpads */ + bool export_all_inputs; /* do not ignore mouse, keyboards, etc... */ }; struct mt_fields { @@ -133,6 +134,7 @@ static void mt_post_parse(struct mt_device *td); /* reserved 0x0010 */ /* reserved 0x0011 */ #define MT_CLS_WIN_8 0x0012 +#define MT_CLS_EXPORT_ALL_INPUTS 0x0013 /* vendor specific classes */ #define MT_CLS_3M 0x0101 @@ -196,6 +198,10 @@ static struct mt_class mt_classes[] = { MT_QUIRK_IGNORE_DUPLICATES | MT_QUIRK_HOVERING | MT_QUIRK_CONTACT_CNT_ACCURATE }, + { .name = MT_CLS_EXPORT_ALL_INPUTS, + .quirks = MT_QUIRK_ALWAYS_VALID | + MT_QUIRK_CONTACT_CNT_ACCURATE, + .export_all_inputs = true }, /* * vendor specific classes @@ -718,28 +724,52 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { - /* Only map fields from TouchScreen or TouchPad collections. - * 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 && + struct mt_device *td = hid_get_drvdata(hdev); + + /* + * If mtclass.export_all_inputs is not set, only map fields from + * TouchScreen or TouchPad collections. We need to ignore fields + * that belong to other collections such as Mouse that might have + * the same GenericDesktop usages. + */ + if (!td->mtclass.export_all_inputs && + field->application != HID_DG_TOUCHSCREEN && field->application != HID_DG_PEN && field->application != HID_DG_TOUCHPAD) return -1; + /* + * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" + * for the stylus. + */ if (field->physical == HID_DG_STYLUS) return 0; - return mt_touch_input_mapping(hdev, hi, field, usage, bit, max); + if (field->application == HID_DG_TOUCHSCREEN || + field->application == HID_DG_TOUCHPAD) + return mt_touch_input_mapping(hdev, hi, field, usage, bit, max); + + /* let hid-core decide for the others */ + return 0; } static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { + /* + * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" + * for the stylus. + */ if (field->physical == HID_DG_STYLUS) return 0; - return mt_touch_input_mapped(hdev, hi, field, usage, bit, max); + if (field->application == HID_DG_TOUCHSCREEN || + field->application == HID_DG_TOUCHPAD) + return mt_touch_input_mapped(hdev, hi, field, usage, bit, max); + + /* let hid-core decide for the others */ + return 0; } static int mt_event(struct hid_device *hid, struct hid_field *field, @@ -846,14 +876,49 @@ static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi) struct mt_device *td = hid_get_drvdata(hdev); char *name; const char *suffix = NULL; + struct hid_field *field = hi->report->field[0]; if (hi->report->id == td->mt_report_id) mt_touch_input_configured(hdev, hi); + /* + * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" + * for the stylus. Check this first, and then rely on the application + * field. + */ if (hi->report->field[0]->physical == HID_DG_STYLUS) { suffix = "Pen"; /* force BTN_STYLUS to allow tablet matching in udev */ __set_bit(BTN_STYLUS, hi->input->keybit); + } else { + switch (field->application) { + case HID_GD_KEYBOARD: + suffix = "Keyboard"; + break; + case HID_GD_KEYPAD: + suffix = "Keypad"; + break; + case HID_GD_MOUSE: + suffix = "Mouse"; + break; + case HID_DG_STYLUS: + suffix = "Pen"; + /* force BTN_STYLUS to allow tablet matching in udev */ + __set_bit(BTN_STYLUS, hi->input->keybit); + break; + case HID_DG_TOUCHSCREEN: + /* we do not set suffix = "Touchscreen" */ + break; + case HID_GD_SYSTEM_CONTROL: + suffix = "System Control"; + break; + case HID_CP_CONSUMER_CONTROL: + suffix = "Consumer Control"; + break; + default: + suffix = "UNKNOWN"; + break; + } } if (suffix) { @@ -992,6 +1057,11 @@ static const struct hid_device_id mt_devices[] = { MT_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M3266) }, + /* Anton devices */ + { .driver_data = MT_CLS_EXPORT_ALL_INPUTS, + MT_USB_DEVICE(USB_VENDOR_ID_ANTON, + USB_DEVICE_ID_ANTON_TOUCH_PAD) }, + /* Atmel panels */ { .driver_data = MT_CLS_SERIAL, MT_USB_DEVICE(USB_VENDOR_ID_ATMEL, |