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@@ -0,0 +1,87 @@
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+/*
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+ * HID driver for some cherry "special" devices
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+ *
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+ * Copyright (c) 1999 Andreas Gal
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+ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
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+ * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
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+ * Copyright (c) 2006-2007 Jiri Kosina
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+ * Copyright (c) 2007 Paul Walmsley
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+ * Copyright (c) 2008 Jiri Slaby
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+ */
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+
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+/*
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License as published by the Free
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+ * Software Foundation; either version 2 of the License, or (at your option)
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+ * any later version.
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+ */
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+
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+#include <linux/device.h>
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+#include <linux/hid.h>
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+#include <linux/module.h>
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+
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+#include "hid-ids.h"
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+
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+/*
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+ * Cherry Cymotion keyboard have an invalid HID report descriptor,
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+ * that needs fixing before we can parse it.
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+ */
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+static void ch_report_fixup(struct hid_device *hdev, __u8 *rdesc,
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+ unsigned int rsize)
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+{
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+ if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) {
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+ dev_info(&hdev->dev, "fixing up Cherry Cymotion report "
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+ "descriptor\n");
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+ rdesc[11] = rdesc[16] = 0xff;
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+ rdesc[12] = rdesc[17] = 0x03;
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+ }
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+}
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+
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+#define ch_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
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+ EV_KEY, (c))
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+static int ch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
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+ struct hid_field *field, struct hid_usage *usage,
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+ unsigned long **bit, int *max)
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+{
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+ if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
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+ return 0;
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+
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+ switch (usage->hid & HID_USAGE) {
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+ case 0x301: ch_map_key_clear(KEY_PROG1); break;
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+ case 0x302: ch_map_key_clear(KEY_PROG2); break;
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+ case 0x303: ch_map_key_clear(KEY_PROG3); break;
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+ default:
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+ return 0;
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+ }
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+
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+ return 1;
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+}
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+
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+static const struct hid_device_id ch_devices[] = {
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+ { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
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+ { }
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+};
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+MODULE_DEVICE_TABLE(hid, ch_devices);
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+
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+static struct hid_driver ch_driver = {
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+ .name = "cherry",
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+ .id_table = ch_devices,
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+ .report_fixup = ch_report_fixup,
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+ .input_mapping = ch_input_mapping,
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+};
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+
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+static int ch_init(void)
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+{
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+ return hid_register_driver(&ch_driver);
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+}
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+
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+static void ch_exit(void)
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+{
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+ hid_unregister_driver(&ch_driver);
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+}
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+
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+module_init(ch_init);
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+module_exit(ch_exit);
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+MODULE_LICENSE("GPL");
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+
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+HID_COMPAT_LOAD_DRIVER(cherry);
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Jiri Slaby