diff options
| -rw-r--r-- | drivers/hid/wacom_sys.c | 39 | ||||
| -rw-r--r-- | drivers/hid/wacom_wac.c | 120 | ||||
| -rw-r--r-- | drivers/hid/wacom_wac.h | 8 |
3 files changed, 164 insertions, 3 deletions
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index dd288b2fbfe8..8593047bb726 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -109,6 +109,7 @@ static void wacom_feature_mapping(struct hid_device *hdev, { struct wacom *wacom = hid_get_drvdata(hdev); struct wacom_features *features = &wacom->wacom_wac.features; + struct hid_data *hid_data = &wacom->wacom_wac.hid_data; u8 *data; int ret; @@ -128,6 +129,16 @@ static void wacom_feature_mapping(struct hid_device *hdev, kfree(data); } break; + case HID_DG_INPUTMODE: + /* Ignore if value index is out of bounds. */ + if (usage->usage_index >= field->report_count) { + dev_err(&hdev->dev, "HID_DG_INPUTMODE out of range\n"); + break; + } + + hid_data->inputmode = field->report->id; + hid_data->inputmode_index = usage->usage_index; + break; } } @@ -255,6 +266,25 @@ static void wacom_parse_hid(struct hid_device *hdev, } } +static int wacom_hid_set_device_mode(struct hid_device *hdev) +{ + struct wacom *wacom = hid_get_drvdata(hdev); + struct hid_data *hid_data = &wacom->wacom_wac.hid_data; + struct hid_report *r; + struct hid_report_enum *re; + + if (hid_data->inputmode < 0) + return 0; + + re = &(hdev->report_enum[HID_FEATURE_REPORT]); + r = re->report_id_hash[hid_data->inputmode]; + if (r) { + r->field[0]->value[hid_data->inputmode_index] = 2; + hid_hw_request(hdev, r, HID_REQ_SET_REPORT); + } + return 0; +} + static int wacom_set_device_mode(struct hid_device *hdev, int report_id, int length, int mode) { @@ -347,6 +377,9 @@ static int wacom_query_tablet_data(struct hid_device *hdev, if (hdev->bus == BUS_BLUETOOTH) return wacom_bt_query_tablet_data(hdev, 1, features); + if (features->type == HID_GENERIC) + return wacom_hid_set_device_mode(hdev); + if (features->device_type == BTN_TOOL_FINGER) { if (features->type > TABLETPC) { /* MT Tablet PC touch */ @@ -1451,9 +1484,6 @@ static int wacom_probe(struct hid_device *hdev, error); } - /* Note that if query fails it is not a hard failure */ - wacom_query_tablet_data(hdev, features); - if (features->type == HID_GENERIC) connect_mask |= HID_CONNECT_DRIVER; @@ -1464,6 +1494,9 @@ static int wacom_probe(struct hid_device *hdev, goto fail_hw_start; } + /* Note that if query fails it is not a hard failure */ + wacom_query_tablet_data(hdev, features); + if (features->quirks & WACOM_QUIRK_MONITOR) error = hid_hw_open(hdev); diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index e77d46d85a11..586b2405b0d4 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -1372,6 +1372,117 @@ static void wacom_wac_pen_report(struct hid_device *hdev, } } +static void wacom_wac_finger_usage_mapping(struct hid_device *hdev, + struct hid_field *field, struct hid_usage *usage) +{ + struct wacom *wacom = hid_get_drvdata(hdev); + struct wacom_wac *wacom_wac = &wacom->wacom_wac; + struct input_dev *input = wacom_wac->input; + unsigned touch_max = wacom_wac->features.touch_max; + + switch (usage->hid) { + case HID_GD_X: + if (touch_max == 1) + wacom_map_usage(wacom, usage, field, EV_ABS, ABS_X, 4); + else + wacom_map_usage(wacom, usage, field, EV_ABS, + ABS_MT_POSITION_X, 4); + break; + case HID_GD_Y: + if (touch_max == 1) + wacom_map_usage(wacom, usage, field, EV_ABS, ABS_Y, 4); + else + wacom_map_usage(wacom, usage, field, EV_ABS, + ABS_MT_POSITION_Y, 4); + break; + case HID_DG_CONTACTID: + input_mt_init_slots(input, wacom_wac->features.touch_max, + INPUT_MT_DIRECT); + break; + case HID_DG_INRANGE: + break; + case HID_DG_INVERT: + break; + case HID_DG_TIPSWITCH: + wacom_map_usage(wacom, usage, field, EV_KEY, BTN_TOUCH, 0); + break; + } +} + +static int wacom_wac_finger_event(struct hid_device *hdev, + struct hid_field *field, struct hid_usage *usage, __s32 value) +{ + struct wacom *wacom = hid_get_drvdata(hdev); + struct wacom_wac *wacom_wac = &wacom->wacom_wac; + + switch (usage->hid) { + case HID_GD_X: + wacom_wac->hid_data.x = value; + break; + case HID_GD_Y: + wacom_wac->hid_data.y = value; + break; + case HID_DG_CONTACTID: + wacom_wac->hid_data.id = value; + break; + case HID_DG_TIPSWITCH: + wacom_wac->hid_data.tipswitch = value; + break; + } + + + return 0; +} + +static void wacom_wac_finger_mt_report(struct wacom_wac *wacom_wac, + struct input_dev *input, bool touch) +{ + int slot; + struct hid_data *hid_data = &wacom_wac->hid_data; + + slot = input_mt_get_slot_by_key(input, hid_data->id); + + input_mt_slot(input, slot); + input_mt_report_slot_state(input, MT_TOOL_FINGER, touch); + if (touch) { + input_report_abs(input, ABS_MT_POSITION_X, hid_data->x); + input_report_abs(input, ABS_MT_POSITION_Y, hid_data->y); + } + input_mt_sync_frame(input); +} + +static void wacom_wac_finger_single_touch_report(struct wacom_wac *wacom_wac, + struct input_dev *input, bool touch) +{ + struct hid_data *hid_data = &wacom_wac->hid_data; + + if (touch) { + input_report_abs(input, ABS_X, hid_data->x); + input_report_abs(input, ABS_Y, hid_data->y); + } + input_report_key(input, BTN_TOUCH, touch); +} + +static void wacom_wac_finger_report(struct hid_device *hdev, + struct hid_report *report) +{ + struct wacom *wacom = hid_get_drvdata(hdev); + struct wacom_wac *wacom_wac = &wacom->wacom_wac; + struct input_dev *input = wacom_wac->input; + bool touch = wacom_wac->hid_data.tipswitch && + !wacom_wac->shared->stylus_in_proximity; + unsigned touch_max = wacom_wac->features.touch_max; + + if (touch_max > 1) + wacom_wac_finger_mt_report(wacom_wac, input, touch); + else + wacom_wac_finger_single_touch_report(wacom_wac, input, touch); + input_sync(input); + + /* keep touch state for pen event */ + wacom_wac->shared->touch_down = touch; +} + #define WACOM_PEN_FIELD(f) (((f)->logical == HID_DG_STYLUS) || \ ((f)->physical == HID_DG_STYLUS)) #define WACOM_FINGER_FIELD(f) (((f)->logical == HID_DG_FINGER) || \ @@ -1389,6 +1500,9 @@ void wacom_wac_usage_mapping(struct hid_device *hdev, if (WACOM_PEN_FIELD(field)) return wacom_wac_pen_usage_mapping(hdev, field, usage); + + if (WACOM_FINGER_FIELD(field)) + return wacom_wac_finger_usage_mapping(hdev, field, usage); } int wacom_wac_event(struct hid_device *hdev, struct hid_field *field, @@ -1402,6 +1516,9 @@ int wacom_wac_event(struct hid_device *hdev, struct hid_field *field, if (WACOM_PEN_FIELD(field)) return wacom_wac_pen_event(hdev, field, usage, value); + if (WACOM_FINGER_FIELD(field)) + return wacom_wac_finger_event(hdev, field, usage, value); + return 0; } @@ -1416,6 +1533,9 @@ void wacom_wac_report(struct hid_device *hdev, struct hid_report *report) if (WACOM_PEN_FIELD(field)) return wacom_wac_pen_report(hdev, report); + + if (WACOM_FINGER_FIELD(field)) + return wacom_wac_finger_report(hdev, report); } static int wacom_bpt_touch(struct wacom_wac *wacom) diff --git a/drivers/hid/wacom_wac.h b/drivers/hid/wacom_wac.h index f472eac292d5..0f0b85ec1322 100644 --- a/drivers/hid/wacom_wac.h +++ b/drivers/hid/wacom_wac.h @@ -156,9 +156,17 @@ struct wacom_shared { }; struct hid_data { + __s16 inputmode; /* InputMode HID feature, -1 if non-existent */ + __s16 inputmode_index; /* InputMode HID feature index in the report */ bool inrange_state; bool invert_state; bool tipswitch; + int x; + int y; + int pressure; + int width; + int height; + int id; }; struct wacom_wac { |