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path: root/drivers/hid/hid-waltop.c
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Diffstat (limited to 'drivers/hid/hid-waltop.c')
-rw-r--r--drivers/hid/hid-waltop.c192
1 files changed, 192 insertions, 0 deletions
diff --git a/drivers/hid/hid-waltop.c b/drivers/hid/hid-waltop.c
index b3a4163f2e6..0ec169646ec 100644
--- a/drivers/hid/hid-waltop.c
+++ b/drivers/hid/hid-waltop.c
@@ -424,6 +424,190 @@ static __u8 slim_tablet_12_1_inch_rdesc_fixed[] = {
};
/*
+ * Original Q Pad report descriptor.
+ *
+ * The descriptor is similar to the Slim Tablet 5.8 inch descriptor with the
+ * addition of consumer AC Pan field to the report ID 1, which seems to be
+ * unused in the default mode. However, this tablet has resolution of 2048 LPI.
+ *
+ * Usage Page (Desktop), ; Generic desktop controls (01h)
+ * Usage (Mouse), ; Mouse (02h, application collection)
+ * Collection (Application),
+ * Report ID (1),
+ * Usage (Pointer), ; Pointer (01h, physical collection)
+ * Collection (Physical),
+ * Usage Page (Button), ; Button (09h)
+ * Usage Minimum (01h),
+ * Usage Maximum (05h),
+ * Logical Minimum (0),
+ * Logical Maximum (1),
+ * Report Size (1),
+ * Report Count (5),
+ * Input (Variable),
+ * Report Size (3),
+ * Report Count (1),
+ * Input (Constant, Variable),
+ * Usage Page (Desktop), ; Generic desktop controls (01h)
+ * Usage (X), ; X (30h, dynamic value)
+ * Usage (Y), ; Y (31h, dynamic value)
+ * Usage (Wheel), ; Wheel (38h, dynamic value)
+ * Logical Minimum (-127),
+ * Logical Maximum (127),
+ * Report Size (8),
+ * Report Count (3),
+ * Input (Variable, Relative),
+ * Usage Page (Consumer), ; Consumer (0Ch)
+ * Logical Minimum (-127),
+ * Logical Maximum (127),
+ * Report Size (8),
+ * Report Count (1),
+ * Usage (AC Pan), ; AC pan (0238h, linear control)
+ * Input (Variable, Relative),
+ * End Collection,
+ * End Collection,
+ * Usage Page (Digitizer), ; Digitizer (0Dh)
+ * Usage (Pen), ; Pen (02h, application collection)
+ * Collection (Application),
+ * Report ID (2),
+ * Usage (Stylus), ; Stylus (20h, logical collection)
+ * Collection (Physical),
+ * Usage (00h),
+ * Logical Minimum (0),
+ * Logical Maximum (255),
+ * Report Size (8),
+ * Report Count (7),
+ * Input (Variable),
+ * Usage (Azimuth), ; Azimuth (3Fh, dynamic value)
+ * Usage (Altitude), ; Altitude (40h, dynamic value)
+ * Logical Minimum (0),
+ * Logical Maximum (255),
+ * Report Size (8),
+ * Report Count (2),
+ * Feature (Variable),
+ * End Collection,
+ * Report ID (5),
+ * Usage Page (Digitizer), ; Digitizer (0Dh)
+ * Usage (Stylus), ; Stylus (20h, logical collection)
+ * Collection (Physical),
+ * Usage (00h),
+ * Logical Minimum (0),
+ * Logical Maximum (255),
+ * Report Size (8),
+ * Report Count (7),
+ * Input (Variable),
+ * End Collection,
+ * Report ID (10),
+ * Usage Page (Digitizer), ; Digitizer (0Dh)
+ * Usage (Stylus), ; Stylus (20h, logical collection)
+ * Collection (Physical),
+ * Usage (00h),
+ * Logical Minimum (0),
+ * Logical Maximum (255),
+ * Report Size (8),
+ * Report Count (7),
+ * Input (Variable),
+ * End Collection,
+ * Report ID (16),
+ * Usage (Stylus), ; Stylus (20h, logical collection)
+ * Collection (Physical),
+ * Usage (Tip Switch), ; Tip switch (42h, momentary control)
+ * Usage (Barrel Switch), ; Barrel switch (44h, momentary control)
+ * Usage (Invert), ; Invert (3Ch, momentary control)
+ * Usage (Eraser), ; Eraser (45h, momentary control)
+ * Usage (In Range), ; In range (32h, momentary control)
+ * Logical Minimum (0),
+ * Logical Maximum (1),
+ * Report Size (1),
+ * Report Count (5),
+ * Input (Variable),
+ * Report Count (3),
+ * Input (Constant, Variable),
+ * Usage Page (Desktop), ; Generic desktop controls (01h)
+ * Usage (X), ; X (30h, dynamic value)
+ * Report Size (16),
+ * Report Count (1),
+ * Push,
+ * Unit Exponent (13),
+ * Unit (Inch^3),
+ * Logical Minimum (0),
+ * Logical Maximum (12288),
+ * Physical Minimum (0),
+ * Physical Maximum (12288),
+ * Input (Variable),
+ * Usage (Y), ; Y (31h, dynamic value)
+ * Logical Minimum (0),
+ * Logical Maximum (9216),
+ * Physical Minimum (0),
+ * Physical Maximum (9216),
+ * Input (Variable),
+ * Usage Page (Digitizer), ; Digitizer (0Dh)
+ * Usage (Tip Pressure), ; Tip pressure (30h, dynamic value)
+ * Logical Minimum (0),
+ * Logical Maximum (1023),
+ * Physical Minimum (0),
+ * Physical Maximum (1023),
+ * Input (Variable),
+ * End Collection,
+ * End Collection
+ */
+
+/* Size of the original report descriptor of Q Pad */
+#define Q_PAD_RDESC_ORIG_SIZE 241
+
+/*
+ * Fixed Q Pad descriptor.
+ *
+ * All the reports except the stylus report (ID 16) were removed as unused.
+ * The stylus buttons description was fixed.
+ */
+static __u8 q_pad_rdesc_fixed[] = {
+ 0x05, 0x0D, /* Usage Page (Digitizer), */
+ 0x09, 0x02, /* Usage (Pen), */
+ 0xA1, 0x01, /* Collection (Application), */
+ 0x85, 0x10, /* Report ID (16), */
+ 0x09, 0x20, /* Usage (Stylus), */
+ 0xA0, /* Collection (Physical), */
+ 0x09, 0x42, /* Usage (Tip Switch), */
+ 0x09, 0x44, /* Usage (Barrel Switch), */
+ 0x09, 0x46, /* Usage (Tablet Pick), */
+ 0x15, 0x01, /* Logical Minimum (1), */
+ 0x25, 0x03, /* Logical Maximum (3), */
+ 0x75, 0x04, /* Report Size (4), */
+ 0x95, 0x01, /* Report Count (1), */
+ 0x80, /* Input, */
+ 0x09, 0x32, /* Usage (In Range), */
+ 0x14, /* Logical Minimum (0), */
+ 0x25, 0x01, /* Logical Maximum (1), */
+ 0x75, 0x01, /* Report Size (1), */
+ 0x95, 0x01, /* Report Count (1), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x95, 0x03, /* Report Count (3), */
+ 0x81, 0x03, /* Input (Constant, Variable), */
+ 0x75, 0x10, /* Report Size (16), */
+ 0x95, 0x01, /* Report Count (1), */
+ 0x14, /* Logical Minimum (0), */
+ 0xA4, /* Push, */
+ 0x05, 0x01, /* Usage Page (Desktop), */
+ 0x65, 0x13, /* Unit (Inch), */
+ 0x55, 0xFD, /* Unit Exponent (-3), */
+ 0x34, /* Physical Minimum (0), */
+ 0x09, 0x30, /* Usage (X), */
+ 0x46, 0x70, 0x17, /* Physical Maximum (6000), */
+ 0x26, 0x00, 0x30, /* Logical Maximum (12288), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x09, 0x31, /* Usage (Y), */
+ 0x46, 0x94, 0x11, /* Physical Maximum (4500), */
+ 0x26, 0x00, 0x24, /* Logical Maximum (9216), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0xB4, /* Pop, */
+ 0x09, 0x30, /* Usage (Tip Pressure), */
+ 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0xC0, /* End Collection, */
+ 0xC0 /* End Collection */
+};
+
+/*
* Original Media Tablet 10.6 inch report descriptor.
*
* There are at least two versions of this model in the wild. They are
@@ -1049,6 +1233,12 @@ static __u8 *waltop_report_fixup(struct hid_device *hdev, __u8 *rdesc,
*rsize = sizeof(slim_tablet_12_1_inch_rdesc_fixed);
}
break;
+ case USB_DEVICE_ID_WALTOP_Q_PAD:
+ if (*rsize == Q_PAD_RDESC_ORIG_SIZE) {
+ rdesc = q_pad_rdesc_fixed;
+ *rsize = sizeof(q_pad_rdesc_fixed);
+ }
+ break;
case USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH:
if (*rsize == MEDIA_TABLET_10_6_INCH_RDESC_ORIG_SIZE) {
rdesc = media_tablet_10_6_inch_rdesc_fixed;
@@ -1071,6 +1261,8 @@ static const struct hid_device_id waltop_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP,
USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP,
+ USB_DEVICE_ID_WALTOP_Q_PAD) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP,
USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP,
USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-11 10:27:53 +0000