HID: waltop: Add support for Sirius tablet (d2ee4dd9) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/hid/hid-core.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1578,6 +1578,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
		{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
		{ 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) },
		{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
		{ HID_USB_DEVICE(USB_VENDOR_ID_XAT, USB_DEVICE_ID_XAT_CSR) },
		{ HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX) },
		{ HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX) },

drivers/hid/hid-ids.h

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Original line number	Diff line number	Diff line
		@@ -737,6 +737,7 @@
		#define USB_DEVICE_ID_WALTOP_PID_0038 0x0038
		#define USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH 0x0501
		#define USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH 0x0500
		#define USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET 0x0502

		#define USB_VENDOR_ID_WISEGROUP 0x0925
		#define USB_DEVICE_ID_SMARTJOY_PLUS 0x0005

drivers/hid/hid-waltop.c

+189 −0

Original line number	Diff line number	Diff line
		@@ -502,6 +502,142 @@ static __u8 media_tablet_14_1_inch_rdesc_fixed[] = {
		0xC0 /* End Collection */
		};

		/*
		* See Sirius Battery Free Tablet description, device and HID report descriptors
		* at
		* http://sf.net/apps/mediawiki/digimend/?title=Waltop_Sirius_Battery_Free_Tablet
		*/

		/* Size of the original report descriptor of Sirius Battery Free Tablet */
		#define SIRIUS_BATTERY_FREE_TABLET_RDESC_ORIG_SIZE 335

		/* Fixed Sirius Battery Free Tablet descriptor */
		static __u8 sirius_battery_free_tablet_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), */
		0x95, 0x01, /* Report Count (1), */
		0x15, 0x01, /* Logical Minimum (1), */
		0x25, 0x03, /* Logical Maximum (3), */
		0x75, 0x02, /* Report Size (2), */
		0x09, 0x42, /* Usage (Tip Switch), */
		0x09, 0x44, /* Usage (Barrel Switch), */
		0x09, 0x46, /* Usage (Tablet Pick), */
		0x80, /* Input, */
		0x14, /* Logical Minimum (0), */
		0x25, 0x01, /* Logical Maximum (1), */
		0x75, 0x01, /* Report Size (1), */
		0x09, 0x3C, /* Usage (Invert), */
		0x81, 0x02, /* Input (Variable), */
		0x81, 0x03, /* Input (Constant, Variable), */
		0x09, 0x32, /* Usage (In Range), */
		0x81, 0x02, /* Input (Variable), */
		0x95, 0x03, /* Report Count (3), */
		0x81, 0x03, /* Input (Constant, Variable), */
		0xA4, /* Push, */
		0x05, 0x01, /* Usage Page (Desktop), */
		0x55, 0xFD, /* Unit Exponent (-3), */
		0x65, 0x13, /* Unit (Inch), */
		0x34, /* Physical Minimum (0), */
		0x14, /* Logical Minimum (0), */
		0x75, 0x10, /* Report Size (16), */
		0x95, 0x01, /* Report Count (1), */
		0x46, 0x10, 0x27, /* Physical Maximum (10000), */
		0x26, 0x20, 0x4E, /* Logical Maximum (20000), */
		0x09, 0x30, /* Usage (X), */
		0x81, 0x02, /* Input (Variable), */
		0x46, 0x70, 0x17, /* Physical Maximum (6000), */
		0x26, 0xE0, 0x2E, /* Logical Maximum (12000), */
		0x09, 0x31, /* Usage (Y), */
		0x81, 0x02, /* Input (Variable), */
		0xB4, /* Pop, */
		0x75, 0x10, /* Report Size (16), */
		0x95, 0x01, /* Report Count (1), */
		0x14, /* Logical Minimum (0), */
		0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
		0x09, 0x30, /* Usage (Tip Pressure), */
		0x81, 0x02, /* Input (Variable), */
		0xA4, /* Push, */
		0x55, 0xFE, /* Unit Exponent (-2), */
		0x65, 0x12, /* Unit (Radians), */
		0x35, 0x97, /* Physical Minimum (-105), */
		0x45, 0x69, /* Physical Maximum (105), */
		0x15, 0x97, /* Logical Minimum (-105), */
		0x25, 0x69, /* Logical Maximum (105), */
		0x75, 0x08, /* Report Size (8), */
		0x95, 0x02, /* Report Count (2), */
		0x09, 0x3D, /* Usage (X Tilt), */
		0x09, 0x3E, /* Usage (Y Tilt), */
		0x81, 0x02, /* Input (Variable), */
		0xB4, /* Pop, */
		0xC0, /* End Collection, */
		0xC0, /* End Collection, */
		0x05, 0x01, /* Usage Page (Desktop), */
		0x09, 0x02, /* Usage (Mouse), */
		0xA1, 0x01, /* Collection (Application), */
		0x85, 0x01, /* Report ID (1), */
		0x09, 0x01, /* Usage (Pointer), */
		0xA0, /* Collection (Physical), */
		0x75, 0x08, /* Report Size (8), */
		0x95, 0x03, /* Report Count (3), */
		0x81, 0x03, /* Input (Constant, Variable), */
		0x09, 0x38, /* Usage (Wheel), */
		0x15, 0xFF, /* Logical Minimum (-1), */
		0x25, 0x01, /* Logical Maximum (1), */
		0x75, 0x08, /* Report Size (8), */
		0x95, 0x01, /* Report Count (1), */
		0x81, 0x06, /* Input (Variable, Relative), */
		0x75, 0x08, /* Report Size (8), */
		0x95, 0x03, /* Report Count (3), */
		0x81, 0x03, /* Input (Constant, Variable), */
		0xC0, /* End Collection, */
		0xC0, /* End Collection, */
		0x05, 0x01, /* Usage Page (Desktop), */
		0x09, 0x06, /* Usage (Keyboard), */
		0xA1, 0x01, /* Collection (Application), */
		0x85, 0x0D, /* Report ID (13), */
		0x05, 0x07, /* Usage Page (Keyboard), */
		0x19, 0xE0, /* Usage Minimum (KB Leftcontrol), */
		0x29, 0xE7, /* Usage Maximum (KB Right GUI), */
		0x14, /* Logical Minimum (0), */
		0x25, 0x01, /* Logical Maximum (1), */
		0x75, 0x01, /* Report Size (1), */
		0x95, 0x08, /* Report Count (8), */
		0x81, 0x02, /* Input (Variable), */
		0x75, 0x08, /* Report Size (8), */
		0x95, 0x01, /* Report Count (1), */
		0x81, 0x01, /* Input (Constant), */
		0x18, /* Usage Minimum (None), */
		0x29, 0x65, /* Usage Maximum (KB Application), */
		0x14, /* Logical Minimum (0), */
		0x25, 0x65, /* Logical Maximum (101), */
		0x75, 0x08, /* Report Size (8), */
		0x95, 0x05, /* Report Count (5), */
		0x80, /* Input, */
		0xC0, /* End Collection, */
		0x05, 0x0C, /* Usage Page (Consumer), */
		0x09, 0x01, /* Usage (Consumer Control), */
		0xA1, 0x01, /* Collection (Application), */
		0x85, 0x0C, /* Report ID (12), */
		0x09, 0xE9, /* Usage (Volume Inc), */
		0x09, 0xEA, /* Usage (Volume Dec), */
		0x14, /* Logical Minimum (0), */
		0x25, 0x01, /* Logical Maximum (1), */
		0x75, 0x01, /* Report Size (1), */
		0x95, 0x02, /* Report Count (2), */
		0x81, 0x02, /* Input (Variable), */
		0x75, 0x06, /* Report Size (6), */
		0x95, 0x01, /* Report Count (1), */
		0x81, 0x03, /* Input (Constant, Variable), */
		0x75, 0x10, /* Report Size (16), */
		0x95, 0x03, /* Report Count (3), */
		0x81, 0x03, /* Input (Constant, Variable), */
		0xC0 /* End Collection */
		};

		struct waltop_state {
		u8 pressure0;
		u8 pressure1;
		@@ -583,6 +719,12 @@ static __u8 waltop_report_fixup(struct hid_device hdev, __u8 *rdesc,
		*rsize = sizeof(media_tablet_14_1_inch_rdesc_fixed);
		}
		break;
		case USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET:
		if (*rsize == SIRIUS_BATTERY_FREE_TABLET_RDESC_ORIG_SIZE) {
		rdesc = sirius_battery_free_tablet_rdesc_fixed;
		*rsize = sizeof(sirius_battery_free_tablet_rdesc_fixed);
		}
		break;
		}
		return rdesc;
		}
		@@ -614,6 +756,51 @@ static int waltop_raw_event(struct hid_device hdev, struct hid_report report,
		}
		}

		/* If this is a pen input report of Sirius Battery Free Tablet */
		if (hdev->product == USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET &&
		report->type == HID_INPUT_REPORT &&
		report->id == 16 &&
		size == 10) {
		/*
		* The tablet reports tilt as roughly sin(a)*21 (18 means 60
		* degrees).
		*
		* This array stores angles as radians * 100, corresponding to
		* reported values up to 60 degrees, as expected by userspace.
		*/
		static const s8 tilt_to_radians[] = {
		0, 5, 10, 14, 19, 24, 29, 34, 40, 45,
		50, 56, 62, 68, 74, 81, 88, 96, 105
		};

		s8 tilt_x = (s8)data[8];
		s8 tilt_y = (s8)data[9];
		s8 sign_x = tilt_x >= 0 ? 1 : -1;
		s8 sign_y = tilt_y >= 0 ? 1 : -1;

		tilt_x *= sign_x;
		tilt_y *= sign_y;

		/*
		* Reverse the Y Tilt direction to match the HID standard and
		* userspace expectations. See HID Usage Tables v1.12 16.3.2
		* Tilt Orientation.
		*/
		sign_y *= -1;

		/*
		* This effectively clamps reported tilt to 60 degrees - the
		* range expected by userspace
		*/
		if (tilt_x > ARRAY_SIZE(tilt_to_radians) - 1)
		tilt_x = ARRAY_SIZE(tilt_to_radians) - 1;
		if (tilt_y > ARRAY_SIZE(tilt_to_radians) - 1)
		tilt_y = ARRAY_SIZE(tilt_to_radians) - 1;

		data[8] = tilt_to_radians[tilt_x] * sign_x;
		data[9] = tilt_to_radians[tilt_y] * sign_y;
		}

		return 0;
		}

		@@ -638,6 +825,8 @@ static const struct hid_device_id waltop_devices[] = {
		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) },
		{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP,
		USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
		{ }
		};
		MODULE_DEVICE_TABLE(hid, waltop_devices);

drivers/hid/usbhid/hid-quirks.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -88,6 +88,7 @@ static const struct hid_blacklist {
		{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U, HID_QUIRK_MULTI_INPUT },
		{ USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH, HID_QUIRK_MULTI_INPUT },
		{ USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH, HID_QUIRK_MULTI_INPUT },
		{ USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET, HID_QUIRK_MULTI_INPUT },
		{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD, HID_QUIRK_NOGET \| HID_QUIRK_MULTI_INPUT },

		{ USB_VENDOR_ID_WISEGROUP_LTD2, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET \| HID_QUIRK_MULTI_INPUT },