112 lines
2.5 KiB
C
112 lines
2.5 KiB
C
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/*
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* HID driver for some sony "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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* 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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#include <linux/device.h>
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#include <linux/hid.h>
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#include <linux/module.h>
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#include <linux/usb.h>
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#include "hid-ids.h"
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/*
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* Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
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* to "operational". Without this, the ps3 controller will not report any
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* events.
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*/
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static int sony_set_operational(struct hid_device *hdev)
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{
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struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
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struct usb_device *dev = interface_to_usbdev(intf);
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__u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
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int ret;
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char *buf = kmalloc(18, GFP_KERNEL);
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if (!buf)
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return -ENOMEM;
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ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
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HID_REQ_GET_REPORT,
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USB_DIR_IN | USB_TYPE_CLASS |
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USB_RECIP_INTERFACE,
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(3 << 8) | 0xf2, ifnum, buf, 17,
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USB_CTRL_GET_TIMEOUT);
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if (ret < 0)
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dev_err(&hdev->dev, "can't set operational mode\n");
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kfree(buf);
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return ret;
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}
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static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
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{
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int ret;
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hdev->quirks |= HID_QUIRK_HIDDEV;
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ret = hid_parse(hdev);
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if (ret) {
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dev_err(&hdev->dev, "parse failed\n");
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goto err_free;
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}
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ret = hid_hw_start(hdev);
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if (ret) {
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dev_err(&hdev->dev, "hw start failed\n");
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goto err_free;
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}
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ret = sony_set_operational(hdev);
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if (ret)
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goto err_stop;
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return 0;
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err_stop:
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hid_hw_stop(hdev);
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err_free:
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return ret;
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}
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static const struct hid_device_id sony_devices[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
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{ }
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};
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MODULE_DEVICE_TABLE(hid, sony_devices);
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static struct hid_driver sony_driver = {
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.name = "sony",
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.id_table = sony_devices,
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.probe = sony_probe,
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};
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static int sony_init(void)
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{
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return hid_register_driver(&sony_driver);
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}
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static void sony_exit(void)
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{
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hid_unregister_driver(&sony_driver);
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}
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module_init(sony_init);
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module_exit(sony_exit);
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MODULE_LICENSE("GPL");
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HID_COMPAT_LOAD_DRIVER(sony);
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