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-rw-r--r--drivers/hid/hid-uclogic.c404
1 files changed, 404 insertions, 0 deletions
diff --git a/drivers/hid/hid-uclogic.c b/drivers/hid/hid-uclogic.c
new file mode 100644
index 00000000000..107aa9fb07f
--- /dev/null
+++ b/drivers/hid/hid-uclogic.c
@@ -0,0 +1,404 @@
+/*
+ * HID driver for UC-Logic devices not fully compliant with HID standard
+ *
+ * Copyright (c) 2010 Nikolai Kondrashov
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "hid-ids.h"
+
+/*
+ * The original descriptors of WPXXXXU tablets have three report IDs, of
+ * which only two are used (8 and 9), and the remaining (7) seems to have
+ * the originally intended pen description which was abandoned for some
+ * reason. From this unused description it is possible to extract the
+ * actual physical extents and resolution. All the models use the same
+ * descriptor with different extents for the unused report ID.
+ *
+ * Here it is:
+ *
+ * Usage Page (Digitizer), ; Digitizer (0Dh)
+ * Usage (Pen), ; Pen (02h, application collection)
+ * Collection (Application),
+ * Report ID (7),
+ * 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 (Eraser), ; Eraser (45h, momentary control)
+ * Logical Minimum (0),
+ * Logical Maximum (1),
+ * Report Size (1),
+ * Report Count (3),
+ * Input (Variable),
+ * Report Count (3),
+ * Input (Constant, Variable),
+ * Usage (In Range), ; In range (32h, momentary control)
+ * Report Count (1),
+ * Input (Variable),
+ * Report Count (1),
+ * 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),
+ * Physical Minimum (0),
+ * Physical Maximum (Xpm),
+ * Logical Maximum (Xlm),
+ * Input (Variable),
+ * Usage (Y), ; Y (31h, dynamic value)
+ * Physical Maximum (Ypm),
+ * Logical Maximum (Ylm),
+ * Input (Variable),
+ * Pop,
+ * Usage Page (Digitizer), ; Digitizer (0Dh)
+ * Usage (Tip Pressure), ; Tip pressure (30h, dynamic value)
+ * Logical Maximum (1023),
+ * Input (Variable),
+ * Report Size (16),
+ * End Collection,
+ * End Collection,
+ * Usage Page (Desktop), ; Generic desktop controls (01h)
+ * Usage (Mouse), ; Mouse (02h, application collection)
+ * Collection (Application),
+ * Report ID (8),
+ * Usage (Pointer), ; Pointer (01h, physical collection)
+ * Collection (Physical),
+ * Usage Page (Button), ; Button (09h)
+ * Usage Minimum (01h),
+ * Usage Maximum (03h),
+ * Logical Minimum (0),
+ * Logical Maximum (1),
+ * Report Count (3),
+ * Report Size (1),
+ * Input (Variable),
+ * Report Count (5),
+ * Input (Constant),
+ * 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)
+ * Usage (00h),
+ * Logical Minimum (-127),
+ * Logical Maximum (127),
+ * Report Size (8),
+ * Report Count (4),
+ * Input (Variable, Relative),
+ * End Collection,
+ * End Collection,
+ * Usage Page (Desktop), ; Generic desktop controls (01h)
+ * Usage (Mouse), ; Mouse (02h, application collection)
+ * Collection (Application),
+ * Report ID (9),
+ * Usage (Pointer), ; Pointer (01h, physical collection)
+ * Collection (Physical),
+ * Usage Page (Button), ; Button (09h)
+ * Usage Minimum (01h),
+ * Usage Maximum (03h),
+ * Logical Minimum (0),
+ * Logical Maximum (1),
+ * Report Count (3),
+ * Report Size (1),
+ * Input (Variable),
+ * Report Count (5),
+ * Input (Constant),
+ * Usage Page (Desktop), ; Generic desktop controls (01h)
+ * Usage (X), ; X (30h, dynamic value)
+ * Usage (Y), ; Y (31h, dynamic value)
+ * Logical Minimum (0),
+ * Logical Maximum (32767),
+ * Physical Minimum (0),
+ * Physical Maximum (32767),
+ * Report Count (2),
+ * Report Size (16),
+ * Input (Variable),
+ * Usage Page (Digitizer), ; Digitizer (0Dh)
+ * Usage (Tip Pressure), ; Tip pressure (30h, dynamic value)
+ * Logical Maximum (1023),
+ * Report Count (1),
+ * Report Size (16),
+ * Input (Variable),
+ * End Collection,
+ * End Collection
+ *
+ * Here are the extents values for the WPXXXXU models:
+ *
+ * Xpm Xlm Ypm Ylm
+ * WP4030U 4000 8000 3000 6000
+ * WP5540U 5500 11000 4000 8000
+ * WP8060U 8000 16000 6000 12000
+ *
+ * This suggests that all of them have 2000 LPI resolution, as advertised.
+ */
+
+/* Size of the original descriptor of WPXXXXU tablets */
+#define WPXXXXU_RDESC_ORIG_SIZE 212
+
+/*
+ * Fixed WP4030U report descriptor.
+ * Although the hardware might actually support it, the mouse description
+ * has been removed, since there seems to be no devices having one and it
+ * wouldn't make much sense because of the working area size.
+ */
+static __u8 wp4030u_rdesc_fixed[] = {
+ 0x05, 0x0D, /* Usage Page (Digitizer), */
+ 0x09, 0x02, /* Usage (Pen), */
+ 0xA1, 0x01, /* Collection (Application), */
+ 0x85, 0x09, /* Report ID (9), */
+ 0x09, 0x20, /* Usage (Stylus), */
+ 0xA0, /* Collection (Physical), */
+ 0x75, 0x01, /* Report Size (1), */
+ 0x09, 0x42, /* Usage (Tip Switch), */
+ 0x09, 0x44, /* Usage (Barrel Switch), */
+ 0x09, 0x46, /* Usage (Tablet Pick), */
+ 0x14, /* Logical Minimum (0), */
+ 0x25, 0x01, /* Logical Maximum (1), */
+ 0x95, 0x03, /* Report Count (3), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x95, 0x05, /* Report Count (5), */
+ 0x81, 0x01, /* Input (Constant), */
+ 0x75, 0x10, /* Report Size (16), */
+ 0x95, 0x01, /* Report Count (1), */
+ 0x14, /* Logical Minimum (0), */
+ 0xA4, /* Push, */
+ 0x05, 0x01, /* Usage Page (Desktop), */
+ 0x55, 0xFD, /* Unit Exponent (-3), */
+ 0x65, 0x13, /* Unit (Inch), */
+ 0x34, /* Physical Minimum (0), */
+ 0x09, 0x30, /* Usage (X), */
+ 0x46, 0xA0, 0x0F, /* Physical Maximum (4000), */
+ 0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x09, 0x31, /* Usage (Y), */
+ 0x46, 0xB8, 0x0B, /* Physical Maximum (3000), */
+ 0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */
+ 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 */
+};
+
+/* Fixed WP5540U report descriptor */
+static __u8 wp5540u_rdesc_fixed[] = {
+ 0x05, 0x0D, /* Usage Page (Digitizer), */
+ 0x09, 0x02, /* Usage (Pen), */
+ 0xA1, 0x01, /* Collection (Application), */
+ 0x85, 0x09, /* Report ID (9), */
+ 0x09, 0x20, /* Usage (Stylus), */
+ 0xA0, /* Collection (Physical), */
+ 0x75, 0x01, /* Report Size (1), */
+ 0x09, 0x42, /* Usage (Tip Switch), */
+ 0x09, 0x44, /* Usage (Barrel Switch), */
+ 0x09, 0x46, /* Usage (Tablet Pick), */
+ 0x14, /* Logical Minimum (0), */
+ 0x25, 0x01, /* Logical Maximum (1), */
+ 0x95, 0x03, /* Report Count (3), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x95, 0x05, /* Report Count (5), */
+ 0x81, 0x01, /* Input (Constant), */
+ 0x75, 0x10, /* Report Size (16), */
+ 0x95, 0x01, /* Report Count (1), */
+ 0x14, /* Logical Minimum (0), */
+ 0xA4, /* Push, */
+ 0x05, 0x01, /* Usage Page (Desktop), */
+ 0x55, 0xFD, /* Unit Exponent (-3), */
+ 0x65, 0x13, /* Unit (Inch), */
+ 0x34, /* Physical Minimum (0), */
+ 0x09, 0x30, /* Usage (X), */
+ 0x46, 0x7C, 0x15, /* Physical Maximum (5500), */
+ 0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x09, 0x31, /* Usage (Y), */
+ 0x46, 0xA0, 0x0F, /* Physical Maximum (4000), */
+ 0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */
+ 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, */
+ 0x05, 0x01, /* Usage Page (Desktop), */
+ 0x09, 0x02, /* Usage (Mouse), */
+ 0xA1, 0x01, /* Collection (Application), */
+ 0x85, 0x08, /* Report ID (8), */
+ 0x09, 0x01, /* Usage (Pointer), */
+ 0xA0, /* Collection (Physical), */
+ 0x75, 0x01, /* Report Size (1), */
+ 0x05, 0x09, /* Usage Page (Button), */
+ 0x19, 0x01, /* Usage Minimum (01h), */
+ 0x29, 0x03, /* Usage Maximum (03h), */
+ 0x14, /* Logical Minimum (0), */
+ 0x25, 0x01, /* Logical Maximum (1), */
+ 0x95, 0x03, /* Report Count (3), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x95, 0x05, /* Report Count (5), */
+ 0x81, 0x01, /* Input (Constant), */
+ 0x05, 0x01, /* Usage Page (Desktop), */
+ 0x75, 0x08, /* Report Size (8), */
+ 0x09, 0x30, /* Usage (X), */
+ 0x09, 0x31, /* Usage (Y), */
+ 0x15, 0x81, /* Logical Minimum (-127), */
+ 0x25, 0x7F, /* Logical Maximum (127), */
+ 0x95, 0x02, /* Report Count (2), */
+ 0x81, 0x06, /* Input (Variable, Relative), */
+ 0x09, 0x38, /* Usage (Wheel), */
+ 0x15, 0xFF, /* Logical Minimum (-1), */
+ 0x25, 0x01, /* Logical Maximum (1), */
+ 0x95, 0x01, /* Report Count (1), */
+ 0x81, 0x06, /* Input (Variable, Relative), */
+ 0x81, 0x01, /* Input (Constant), */
+ 0xC0, /* End Collection, */
+ 0xC0 /* End Collection */
+};
+
+/* Fixed WP8060U report descriptor */
+static __u8 wp8060u_rdesc_fixed[] = {
+ 0x05, 0x0D, /* Usage Page (Digitizer), */
+ 0x09, 0x02, /* Usage (Pen), */
+ 0xA1, 0x01, /* Collection (Application), */
+ 0x85, 0x09, /* Report ID (9), */
+ 0x09, 0x20, /* Usage (Stylus), */
+ 0xA0, /* Collection (Physical), */
+ 0x75, 0x01, /* Report Size (1), */
+ 0x09, 0x42, /* Usage (Tip Switch), */
+ 0x09, 0x44, /* Usage (Barrel Switch), */
+ 0x09, 0x46, /* Usage (Tablet Pick), */
+ 0x14, /* Logical Minimum (0), */
+ 0x25, 0x01, /* Logical Maximum (1), */
+ 0x95, 0x03, /* Report Count (3), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x95, 0x05, /* Report Count (5), */
+ 0x81, 0x01, /* Input (Constant), */
+ 0x75, 0x10, /* Report Size (16), */
+ 0x95, 0x01, /* Report Count (1), */
+ 0x14, /* Logical Minimum (0), */
+ 0xA4, /* Push, */
+ 0x05, 0x01, /* Usage Page (Desktop), */
+ 0x55, 0xFD, /* Unit Exponent (-3), */
+ 0x65, 0x13, /* Unit (Inch), */
+ 0x34, /* Physical Minimum (0), */
+ 0x09, 0x30, /* Usage (X), */
+ 0x46, 0x40, 0x1F, /* Physical Maximum (8000), */
+ 0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x09, 0x31, /* Usage (Y), */
+ 0x46, 0x70, 0x17, /* Physical Maximum (6000), */
+ 0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */
+ 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, */
+ 0x05, 0x01, /* Usage Page (Desktop), */
+ 0x09, 0x02, /* Usage (Mouse), */
+ 0xA1, 0x01, /* Collection (Application), */
+ 0x85, 0x08, /* Report ID (8), */
+ 0x09, 0x01, /* Usage (Pointer), */
+ 0xA0, /* Collection (Physical), */
+ 0x75, 0x01, /* Report Size (1), */
+ 0x05, 0x09, /* Usage Page (Button), */
+ 0x19, 0x01, /* Usage Minimum (01h), */
+ 0x29, 0x03, /* Usage Maximum (03h), */
+ 0x14, /* Logical Minimum (0), */
+ 0x25, 0x01, /* Logical Maximum (1), */
+ 0x95, 0x03, /* Report Count (3), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x95, 0x05, /* Report Count (5), */
+ 0x81, 0x01, /* Input (Constant), */
+ 0x05, 0x01, /* Usage Page (Desktop), */
+ 0x75, 0x08, /* Report Size (8), */
+ 0x09, 0x30, /* Usage (X), */
+ 0x09, 0x31, /* Usage (Y), */
+ 0x15, 0x81, /* Logical Minimum (-127), */
+ 0x25, 0x7F, /* Logical Maximum (127), */
+ 0x95, 0x02, /* Report Count (2), */
+ 0x81, 0x06, /* Input (Variable, Relative), */
+ 0x09, 0x38, /* Usage (Wheel), */
+ 0x15, 0xFF, /* Logical Minimum (-1), */
+ 0x25, 0x01, /* Logical Maximum (1), */
+ 0x95, 0x01, /* Report Count (1), */
+ 0x81, 0x06, /* Input (Variable, Relative), */
+ 0x81, 0x01, /* Input (Constant), */
+ 0xC0, /* End Collection, */
+ 0xC0 /* End Collection */
+};
+
+static __u8 *uclogic_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+ unsigned int *rsize)
+{
+ switch (hdev->product) {
+ case USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U:
+ if (*rsize == WPXXXXU_RDESC_ORIG_SIZE)
+ {
+ rdesc = wp4030u_rdesc_fixed;
+ *rsize = sizeof(wp4030u_rdesc_fixed);
+ }
+ break;
+ case USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U:
+ if (*rsize == WPXXXXU_RDESC_ORIG_SIZE)
+ {
+ rdesc = wp5540u_rdesc_fixed;
+ *rsize = sizeof(wp5540u_rdesc_fixed);
+ }
+ break;
+ case USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U:
+ if (*rsize == WPXXXXU_RDESC_ORIG_SIZE)
+ {
+ rdesc = wp8060u_rdesc_fixed;
+ *rsize = sizeof(wp8060u_rdesc_fixed);
+ }
+ break;
+ }
+
+ return rdesc;
+}
+
+static const struct hid_device_id uclogic_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
+ USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
+ USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC,
+ USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, uclogic_devices);
+
+static struct hid_driver uclogic_driver = {
+ .name = "uclogic",
+ .id_table = uclogic_devices,
+ .report_fixup = uclogic_report_fixup,
+};
+
+static int __init uclogic_init(void)
+{
+ return hid_register_driver(&uclogic_driver);
+}
+
+static void __exit uclogic_exit(void)
+{
+ hid_unregister_driver(&uclogic_driver);
+}
+
+module_init(uclogic_init);
+module_exit(uclogic_exit);
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-14 20:37:03 +0000