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-rw-r--r--drivers/hid/hid-belkin.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/drivers/hid/hid-belkin.c b/drivers/hid/hid-belkin.c
new file mode 100644
index 000000000..fc0b3bb38
--- /dev/null
+++ b/drivers/hid/hid-belkin.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * HID driver for some belkin "special" devices
+ *
+ * Copyright (c) 1999 Andreas Gal
+ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
+ * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
+ * Copyright (c) 2006-2007 Jiri Kosina
+ * Copyright (c) 2008 Jiri Slaby
+ */
+
+/*
+ */
+
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "hid-ids.h"
+
+#define BELKIN_HIDDEV 0x01
+#define BELKIN_WKBD 0x02
+
+#define belkin_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
+ EV_KEY, (c))
+static int belkin_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+ struct hid_field *field, struct hid_usage *usage,
+ unsigned long **bit, int *max)
+{
+ unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
+
+ if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER ||
+ !(quirks & BELKIN_WKBD))
+ return 0;
+
+ switch (usage->hid & HID_USAGE) {
+ case 0x03a: belkin_map_key_clear(KEY_SOUND); break;
+ case 0x03b: belkin_map_key_clear(KEY_CAMERA); break;
+ case 0x03c: belkin_map_key_clear(KEY_DOCUMENTS); break;
+ default:
+ return 0;
+ }
+ return 1;
+}
+
+static int belkin_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+ unsigned long quirks = id->driver_data;
+ int ret;
+
+ hid_set_drvdata(hdev, (void *)quirks);
+
+ ret = hid_parse(hdev);
+ if (ret) {
+ hid_err(hdev, "parse failed\n");
+ goto err_free;
+ }
+
+ ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT |
+ ((quirks & BELKIN_HIDDEV) ? HID_CONNECT_HIDDEV_FORCE : 0));
+ if (ret) {
+ hid_err(hdev, "hw start failed\n");
+ goto err_free;
+ }
+
+ return 0;
+err_free:
+ return ret;
+}
+
+static const struct hid_device_id belkin_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM),
+ .driver_data = BELKIN_HIDDEV },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD),
+ .driver_data = BELKIN_WKBD },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, belkin_devices);
+
+static struct hid_driver belkin_driver = {
+ .name = "belkin",
+ .id_table = belkin_devices,
+ .input_mapping = belkin_input_mapping,
+ .probe = belkin_probe,
+};
+module_hid_driver(belkin_driver);
+
+MODULE_LICENSE("GPL");