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-rw-r--r--drivers/hid/hid-sony.c105
1 files changed, 84 insertions, 21 deletions
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 3385006accc0..995b5cf1afc9 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -376,7 +376,7 @@ static u8 dualshock4_usb_rdesc[] = {
0x65, 0x00, /* Unit, */
0x05, 0x09, /* Usage Page (Button), */
0x19, 0x01, /* Usage Minimum (01h), */
- 0x29, 0x0E, /* Usage Maximum (0Eh), */
+ 0x29, 0x0D, /* Usage Maximum (0Dh), */
0x15, 0x00, /* Logical Minimum (0), */
0x25, 0x01, /* Logical Maximum (1), */
0x75, 0x01, /* Report Size (1), */
@@ -689,7 +689,7 @@ static u8 dualshock4_bt_rdesc[] = {
0x81, 0x42, /* Input (Variable, Null State), */
0x05, 0x09, /* Usage Page (Button), */
0x19, 0x01, /* Usage Minimum (01h), */
- 0x29, 0x0E, /* Usage Maximum (0Eh), */
+ 0x29, 0x0D, /* Usage Maximum (0Dh), */
0x15, 0x00, /* Logical Minimum (0), */
0x25, 0x01, /* Logical Maximum (1), */
0x75, 0x01, /* Report Size (1), */
@@ -1033,9 +1033,12 @@ struct motion_output_report_02 {
/* Offsets relative to USB input report (0x1). Bluetooth (0x11) requires an
* additional +2.
*/
+#define DS4_INPUT_REPORT_BUTTON_OFFSET 5
#define DS4_INPUT_REPORT_BATTERY_OFFSET 30
#define DS4_INPUT_REPORT_TOUCHPAD_OFFSET 33
+#define DS4_TOUCHPAD_SUFFIX " Touchpad"
+
static DEFINE_SPINLOCK(sony_dev_list_lock);
static LIST_HEAD(sony_device_list);
static DEFINE_IDA(sony_device_id_allocator);
@@ -1044,6 +1047,7 @@ struct sony_sc {
spinlock_t lock;
struct list_head list_node;
struct hid_device *hdev;
+ struct input_dev *touchpad;
struct led_classdev *leds[MAX_LEDS];
unsigned long quirks;
struct work_struct state_worker;
@@ -1228,9 +1232,6 @@ static void sixaxis_parse_report(struct sony_sc *sc, u8 *rd, int size)
static void dualshock4_parse_report(struct sony_sc *sc, u8 *rd, int size)
{
- struct hid_input *hidinput = list_entry(sc->hdev->inputs.next,
- struct hid_input, list);
- struct input_dev *input_dev = hidinput->input;
unsigned long flags;
int n, m, offset, num_touch_data, max_touch_data;
u8 cable_state, battery_capacity, battery_charging;
@@ -1238,6 +1239,10 @@ static void dualshock4_parse_report(struct sony_sc *sc, u8 *rd, int size)
/* When using Bluetooth the header is 2 bytes longer, so skip these. */
int data_offset = (sc->quirks & DUALSHOCK4_CONTROLLER_USB) ? 0 : 2;
+ /* Second bit of third button byte is for the touchpad button. */
+ offset = data_offset + DS4_INPUT_REPORT_BUTTON_OFFSET;
+ input_report_key(sc->touchpad, BTN_LEFT, rd[offset+2] & 0x2);
+
/*
* The lower 4 bits of byte 30 (or 32 for BT) contain the battery level
* and the 5th bit contains the USB cable state.
@@ -1303,18 +1308,18 @@ static void dualshock4_parse_report(struct sony_sc *sc, u8 *rd, int size)
y = ((rd[offset+2] & 0xF0) >> 4) | (rd[offset+3] << 4);
active = !(rd[offset] >> 7);
- input_mt_slot(input_dev, n);
- input_mt_report_slot_state(input_dev, MT_TOOL_FINGER, active);
+ input_mt_slot(sc->touchpad, n);
+ input_mt_report_slot_state(sc->touchpad, MT_TOOL_FINGER, active);
if (active) {
- input_report_abs(input_dev, ABS_MT_POSITION_X, x);
- input_report_abs(input_dev, ABS_MT_POSITION_Y, y);
+ input_report_abs(sc->touchpad, ABS_MT_POSITION_X, x);
+ input_report_abs(sc->touchpad, ABS_MT_POSITION_Y, y);
}
offset += 4;
}
- input_mt_sync_frame(input_dev);
- input_sync(input_dev);
+ input_mt_sync_frame(sc->touchpad);
+ input_sync(sc->touchpad);
}
}
@@ -1415,22 +1420,77 @@ static int sony_mapping(struct hid_device *hdev, struct hid_input *hi,
return 0;
}
-static int sony_register_touchpad(struct hid_input *hi, int touch_count,
+static int sony_register_touchpad(struct sony_sc *sc, int touch_count,
int w, int h)
{
- struct input_dev *input_dev = hi->input;
+ size_t name_sz;
+ char *name;
int ret;
- ret = input_mt_init_slots(input_dev, touch_count, 0);
+ sc->touchpad = input_allocate_device();
+ if (!sc->touchpad)
+ return -ENOMEM;
+
+ input_set_drvdata(sc->touchpad, sc);
+ sc->touchpad->dev.parent = &sc->hdev->dev;
+ sc->touchpad->phys = sc->hdev->phys;
+ sc->touchpad->uniq = sc->hdev->uniq;
+ sc->touchpad->id.bustype = sc->hdev->bus;
+ sc->touchpad->id.vendor = sc->hdev->vendor;
+ sc->touchpad->id.product = sc->hdev->product;
+ sc->touchpad->id.version = sc->hdev->version;
+
+ /* Append a suffix to the controller name as there are various
+ * DS4 compatible non-Sony devices with different names.
+ */
+ name_sz = strlen(sc->hdev->name) + sizeof(DS4_TOUCHPAD_SUFFIX);
+ name = kzalloc(name_sz, GFP_KERNEL);
+ if (!name) {
+ ret = -ENOMEM;
+ goto err;
+ }
+ snprintf(name, name_sz, "%s" DS4_TOUCHPAD_SUFFIX, sc->hdev->name);
+ sc->touchpad->name = name;
+
+ ret = input_mt_init_slots(sc->touchpad, touch_count, 0);
if (ret < 0)
- return ret;
+ goto err;
+
+ /* We map the button underneath the touchpad to BTN_LEFT. */
+ __set_bit(EV_KEY, sc->touchpad->evbit);
+ __set_bit(BTN_LEFT, sc->touchpad->keybit);
+ __set_bit(INPUT_PROP_BUTTONPAD, sc->touchpad->propbit);
- input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0, w, 0, 0);
- input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0, h, 0, 0);
+ input_set_abs_params(sc->touchpad, ABS_MT_POSITION_X, 0, w, 0, 0);
+ input_set_abs_params(sc->touchpad, ABS_MT_POSITION_Y, 0, h, 0, 0);
+
+ ret = input_register_device(sc->touchpad);
+ if (ret < 0)
+ goto err;
return 0;
+
+err:
+ kfree(sc->touchpad->name);
+ sc->touchpad->name = NULL;
+
+ input_free_device(sc->touchpad);
+ sc->touchpad = NULL;
+
+ return ret;
}
+static void sony_unregister_touchpad(struct sony_sc *sc)
+{
+ if (!sc->touchpad)
+ return;
+
+ kfree(sc->touchpad->name);
+ sc->touchpad->name = NULL;
+
+ input_unregister_device(sc->touchpad);
+ sc->touchpad = NULL;
+}
/*
* Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
@@ -2422,7 +2482,7 @@ static int sony_input_configured(struct hid_device *hdev,
* The Dualshock 4 touchpad supports 2 touches and has a
* resolution of 1920x942 (44.86 dots/mm).
*/
- ret = sony_register_touchpad(hidinput, 2, 1920, 942);
+ ret = sony_register_touchpad(sc, 2, 1920, 942);
if (ret) {
hid_err(sc->hdev,
"Unable to initialize multi-touch slots: %d\n",
@@ -2544,13 +2604,16 @@ static void sony_remove(struct hid_device *hdev)
{
struct sony_sc *sc = hid_get_drvdata(hdev);
+ hid_hw_close(hdev);
+
if (sc->quirks & SONY_LED_SUPPORT)
sony_leds_remove(sc);
- if (sc->quirks & SONY_BATTERY_SUPPORT) {
- hid_hw_close(hdev);
+ if (sc->quirks & SONY_BATTERY_SUPPORT)
sony_battery_remove(sc);
- }
+
+ if (sc->touchpad)
+ sony_unregister_touchpad(sc);
sony_cancel_work_sync(sc);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-30 09:33:56 +0000