projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| bd28ce00 JS |
1 | /* |
| 2 | * HID driver for some sony "special" devices | |
| 3 | * | |
| 4 | * Copyright (c) 1999 Andreas Gal | |
| 5 | * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> | |
| 6 | * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc | |
| 7 | * Copyright (c) 2006-2007 Jiri Kosina | |
| 8 | * Copyright (c) 2007 Paul Walmsley | |
| 9 | * Copyright (c) 2008 Jiri Slaby | |
| 10 | */ | |
| 11 | ||
| 12 | /* | |
| 13 | * This program is free software; you can redistribute it and/or modify it | |
| 14 | * under the terms of the GNU General Public License as published by the Free | |
| 15 | * Software Foundation; either version 2 of the License, or (at your option) | |
| 16 | * any later version. | |
| 17 | */ | |
| 18 | ||
| 19 | #include <linux/device.h> | |
| 20 | #include <linux/hid.h> | |
| 21 | #include <linux/module.h> | |
| 22 | #include <linux/usb.h> | |
| 23 | ||
| 24 | #include "hid-ids.h" | |
| 25 | ||
| 26 | /* | |
| 27 | * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller | |
| 28 | * to "operational". Without this, the ps3 controller will not report any | |
| 29 | * events. | |
| 30 | */ | |
| 31 | static int sony_set_operational(struct hid_device *hdev) | |
| 32 | { | |
| 33 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
| 34 | struct usb_device *dev = interface_to_usbdev(intf); | |
| 35 | __u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber; | |
| 36 | int ret; | |
| 37 | char *buf = kmalloc(18, GFP_KERNEL); | |
| 38 | ||
| 39 | if (!buf) | |
| 40 | return -ENOMEM; | |
| 41 | ||
| 42 | ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), | |
| 43 | HID_REQ_GET_REPORT, | |
| 44 | USB_DIR_IN | USB_TYPE_CLASS | | |
| 45 | USB_RECIP_INTERFACE, | |
| 46 | (3 << 8) | 0xf2, ifnum, buf, 17, | |
| 47 | USB_CTRL_GET_TIMEOUT); | |
| 48 | if (ret < 0) | |
| 49 | dev_err(&hdev->dev, "can't set operational mode\n"); | |
| 50 | ||
| 51 | kfree(buf); | |
| 52 | ||
| 53 | return ret; | |
| 54 | } | |
| 55 | ||
| 56 | static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) | |
| 57 | { | |
| 58 | int ret; | |
| 59 | ||
| 60 | hdev->quirks |= HID_QUIRK_HIDDEV; | |
| 61 | ||
| 62 | ret = hid_parse(hdev); | |
| 63 | if (ret) { | |
| 64 | dev_err(&hdev->dev, "parse failed\n"); | |
| 65 | goto err_free; | |
| 66 | } | |
| 67 | ||
| 68 | ret = hid_hw_start(hdev); | |
| 69 | if (ret) { | |
| 70 | dev_err(&hdev->dev, "hw start failed\n"); | |
| 71 | goto err_free; | |
| 72 | } | |
| 73 | ||
| 74 | ret = sony_set_operational(hdev); | |
| 75 | if (ret) | |
| 76 | goto err_stop; | |
| 77 | ||
| 78 | return 0; | |
| 79 | err_stop: | |
| 80 | hid_hw_stop(hdev); | |
| 81 | err_free: | |
| 82 | return ret; | |
| 83 | } | |
| 84 | ||
| 85 | static const struct hid_device_id sony_devices[] = { | |
| 86 | { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, | |
| 87 | { } | |
| 88 | }; | |
| 89 | MODULE_DEVICE_TABLE(hid, sony_devices); | |
| 90 | ||
| 91 | static struct hid_driver sony_driver = { | |
| 92 | .name = "sony", | |
| 93 | .id_table = sony_devices, | |
| 94 | .probe = sony_probe, | |
| 95 | }; | |
| 96 | ||
| 97 | static int sony_init(void) | |
| 98 | { | |
| 99 | return hid_register_driver(&sony_driver); | |
| 100 | } | |
| 101 | ||
| 102 | static void sony_exit(void) | |
| 103 | { | |
| 104 | hid_unregister_driver(&sony_driver); | |
| 105 | } | |
| 106 | ||
| 107 | module_init(sony_init); | |
| 108 | module_exit(sony_exit); | |
| 109 | MODULE_LICENSE("GPL"); | |
| 110 | ||
| 111 | HID_COMPAT_LOAD_DRIVER(sony); |