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path: root/drivers/hid/wacom_sys.c
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Diffstat (limited to 'drivers/hid/wacom_sys.c')
-rw-r--r--drivers/hid/wacom_sys.c97
1 files changed, 77 insertions, 20 deletions
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index f0568a7e6de9..1b00d8d4466c 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -406,6 +406,9 @@ static int wacom_query_tablet_data(struct hid_device *hdev,
else if (features->type == WACOM_27QHDT) {
return wacom_set_device_mode(hdev, 131, 3, 2);
}
+ else if (features->type == BAMBOO_PAD) {
+ return wacom_set_device_mode(hdev, 2, 2, 2);
+ }
} else if (features->device_type == BTN_TOOL_PEN) {
if (features->type <= BAMBOO_PT && features->type != WIRELESS) {
return wacom_set_device_mode(hdev, 2, 2, 2);
@@ -524,6 +527,11 @@ static int wacom_add_shared_data(struct hid_device *hdev)
wacom_wac->shared = &data->shared;
+ if (wacom_wac->features.device_type == BTN_TOOL_FINGER)
+ wacom_wac->shared->touch = hdev;
+ else if (wacom_wac->features.device_type == BTN_TOOL_PEN)
+ wacom_wac->shared->pen = hdev;
+
out:
mutex_unlock(&wacom_udev_list_lock);
return retval;
@@ -541,14 +549,22 @@ static void wacom_release_shared_data(struct kref *kref)
kfree(data);
}
-static void wacom_remove_shared_data(struct wacom_wac *wacom)
+static void wacom_remove_shared_data(struct wacom *wacom)
{
struct wacom_hdev_data *data;
+ struct wacom_wac *wacom_wac = &wacom->wacom_wac;
+
+ if (wacom_wac->shared) {
+ data = container_of(wacom_wac->shared, struct wacom_hdev_data,
+ shared);
+
+ if (wacom_wac->shared->touch == wacom->hdev)
+ wacom_wac->shared->touch = NULL;
+ else if (wacom_wac->shared->pen == wacom->hdev)
+ wacom_wac->shared->pen = NULL;
- if (wacom->shared) {
- data = container_of(wacom->shared, struct wacom_hdev_data, shared);
kref_put(&data->kref, wacom_release_shared_data);
- wacom->shared = NULL;
+ wacom_wac->shared = NULL;
}
}
@@ -929,6 +945,7 @@ static void wacom_destroy_leds(struct wacom *wacom)
}
static enum power_supply_property wacom_battery_props[] = {
+ POWER_SUPPLY_PROP_PRESENT,
POWER_SUPPLY_PROP_STATUS,
POWER_SUPPLY_PROP_SCOPE,
POWER_SUPPLY_PROP_CAPACITY
@@ -948,6 +965,9 @@ static int wacom_battery_get_property(struct power_supply *psy,
int ret = 0;
switch (psp) {
+ case POWER_SUPPLY_PROP_PRESENT:
+ val->intval = wacom->wacom_wac.bat_connected;
+ break;
case POWER_SUPPLY_PROP_SCOPE:
val->intval = POWER_SUPPLY_SCOPE_DEVICE;
break;
@@ -961,6 +981,8 @@ static int wacom_battery_get_property(struct power_supply *psy,
else if (wacom->wacom_wac.battery_capacity == 100 &&
wacom->wacom_wac.ps_connected)
val->intval = POWER_SUPPLY_STATUS_FULL;
+ else if (wacom->wacom_wac.ps_connected)
+ val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
else
val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
break;
@@ -1041,8 +1063,7 @@ static int wacom_initialize_battery(struct wacom *wacom)
static void wacom_destroy_battery(struct wacom *wacom)
{
- if ((wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) &&
- wacom->battery.dev) {
+ if (wacom->battery.dev) {
power_supply_unregister(&wacom->battery);
wacom->battery.dev = NULL;
power_supply_unregister(&wacom->ac);
@@ -1313,6 +1334,20 @@ fail:
return;
}
+void wacom_battery_work(struct work_struct *work)
+{
+ struct wacom *wacom = container_of(work, struct wacom, work);
+
+ if ((wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) &&
+ !wacom->battery.dev) {
+ wacom_initialize_battery(wacom);
+ }
+ else if (!(wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) &&
+ wacom->battery.dev) {
+ wacom_destroy_battery(wacom);
+ }
+}
+
/*
* Not all devices report physical dimensions from HID.
* Compute the default from hardcoded logical dimension
@@ -1373,6 +1408,9 @@ static int wacom_probe(struct hid_device *hdev,
hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
+ /* hid-core sets this quirk for the boot interface */
+ hdev->quirks &= ~HID_QUIRK_NOGET;
+
wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL);
if (!wacom)
return -ENOMEM;
@@ -1412,6 +1450,21 @@ static int wacom_probe(struct hid_device *hdev,
goto fail_allocate_inputs;
}
+ /*
+ * Bamboo Pad has a generic hid handling for the Pen, and we switch it
+ * into debug mode for the touch part.
+ * We ignore the other interfaces.
+ */
+ if (features->type == BAMBOO_PAD) {
+ if (features->pktlen == WACOM_PKGLEN_PENABLED) {
+ features->type = HID_GENERIC;
+ } else if ((features->pktlen != WACOM_PKGLEN_BPAD_TOUCH) &&
+ (features->pktlen != WACOM_PKGLEN_BPAD_TOUCH_USB)) {
+ error = -ENODEV;
+ goto fail_shared_data;
+ }
+ }
+
/* set the default size in case we do not get them from hid */
wacom_set_default_phy(features);
@@ -1446,6 +1499,12 @@ static int wacom_probe(struct hid_device *hdev,
features->y_max = 4096;
}
+ /*
+ * Same thing for Bamboo PAD
+ */
+ if (features->type == BAMBOO_PAD)
+ features->device_type = BTN_TOOL_FINGER;
+
if (hdev->bus == BUS_BLUETOOTH)
features->quirks |= WACOM_QUIRK_BATTERY;
@@ -1462,19 +1521,17 @@ static int wacom_probe(struct hid_device *hdev,
snprintf(wacom_wac->pad_name, sizeof(wacom_wac->pad_name),
"%s Pad", features->name);
- if (features->quirks & WACOM_QUIRK_MULTI_INPUT) {
- /* Append the device type to the name */
- if (features->device_type != BTN_TOOL_FINGER)
- strlcat(wacom_wac->name, " Pen", WACOM_NAME_MAX);
- else if (features->touch_max)
- strlcat(wacom_wac->name, " Finger", WACOM_NAME_MAX);
- else
- strlcat(wacom_wac->name, " Pad", WACOM_NAME_MAX);
+ /* Append the device type to the name */
+ if (features->device_type != BTN_TOOL_FINGER)
+ strlcat(wacom_wac->name, " Pen", WACOM_NAME_MAX);
+ else if (features->touch_max)
+ strlcat(wacom_wac->name, " Finger", WACOM_NAME_MAX);
+ else
+ strlcat(wacom_wac->name, " Pad", WACOM_NAME_MAX);
- error = wacom_add_shared_data(hdev);
- if (error)
- goto fail_shared_data;
- }
+ error = wacom_add_shared_data(hdev);
+ if (error)
+ goto fail_shared_data;
if (!(features->quirks & WACOM_QUIRK_MONITOR) &&
(features->quirks & WACOM_QUIRK_BATTERY)) {
@@ -1527,7 +1584,7 @@ fail_register_inputs:
wacom_clean_inputs(wacom);
wacom_destroy_battery(wacom);
fail_battery:
- wacom_remove_shared_data(wacom_wac);
+ wacom_remove_shared_data(wacom);
fail_shared_data:
wacom_clean_inputs(wacom);
fail_allocate_inputs:
@@ -1550,7 +1607,7 @@ static void wacom_remove(struct hid_device *hdev)
if (hdev->bus == BUS_BLUETOOTH)
device_remove_file(&hdev->dev, &dev_attr_speed);
wacom_destroy_battery(wacom);
- wacom_remove_shared_data(&wacom->wacom_wac);
+ wacom_remove_shared_data(wacom);
hid_set_drvdata(hdev, NULL);
kfree(wacom);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-21 01:45:40 +0300