diff options
Diffstat (limited to 'drivers/hid/hid-sunplus.c')
| -rw-r--r-- | drivers/hid/hid-sunplus.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/hid/hid-sunplus.c b/drivers/hid/hid-sunplus.c new file mode 100644 index 000000000000..5ba68f7dbb78 --- /dev/null +++ b/drivers/hid/hid-sunplus.c @@ -0,0 +1,82 @@ +/* + * HID driver for some sunplus "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) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * 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" + +static void sp_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + if (rsize >= 107 && rdesc[104] == 0x26 && rdesc[105] == 0x80 && + rdesc[106] == 0x03) { + dev_info(&hdev->dev, "fixing up Sunplus Wireless Desktop " + "report descriptor\n"); + rdesc[105] = rdesc[110] = 0x03; + rdesc[106] = rdesc[111] = 0x21; + } +} + +#define sp_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int sp_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) + return 0; + + switch (usage->hid & HID_USAGE) { + case 0x2003: sp_map_key_clear(KEY_ZOOMIN); break; + case 0x2103: sp_map_key_clear(KEY_ZOOMOUT); break; + default: + return 0; + } + return 1; +} + +static const struct hid_device_id sp_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, + { } +}; +MODULE_DEVICE_TABLE(hid, sp_devices); + +static struct hid_driver sp_driver = { + .name = "sunplus", + .id_table = sp_devices, + .report_fixup = sp_report_fixup, + .input_mapping = sp_input_mapping, +}; + +static int sp_init(void) +{ + return hid_register_driver(&sp_driver); +} + +static void sp_exit(void) +{ + hid_unregister_driver(&sp_driver); +} + +module_init(sp_init); +module_exit(sp_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(sunplus); |