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* HID driver for some sony "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) 2008 Jiri Slaby
* Copyright (c) 2006-2008 Jiri Kosina
*/
/*
* 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 <linux/slab.h>
#include <linux/usb.h>
#include "hid-ids.h"
#define VAIO_RDESC_CONSTANT (1 << 0)
#define SIXAXIS_CONTROLLER_USB (1 << 1)
#define SIXAXIS_CONTROLLER_BT (1 << 2)
static const u8 sixaxis_rdesc_fixup[] = {
0x95, 0x13, 0x09, 0x01, 0x81, 0x02, 0x95, 0x0C,
0x81, 0x01, 0x75, 0x10, 0x95, 0x04, 0x26, 0xFF,
0x03, 0x46, 0xFF, 0x03, 0x09, 0x01, 0x81, 0x02
};
static const u8 sixaxis_rdesc_fixup2[] = {
0x05, 0x01, 0x09, 0x04, 0xa1, 0x01, 0xa1, 0x02,
0x85, 0x01, 0x75, 0x08, 0x95, 0x01, 0x15, 0x00,
0x26, 0xff, 0x00, 0x81, 0x03, 0x75, 0x01, 0x95,
0x13, 0x15, 0x00, 0x25, 0x01, 0x35, 0x00, 0x45,
0x01, 0x05, 0x09, 0x19, 0x01, 0x29, 0x13, 0x81,
0x02, 0x75, 0x01, 0x95, 0x0d, 0x06, 0x00, 0xff,
0x81, 0x03, 0x15, 0x00, 0x26, 0xff, 0x00, 0x05,
0x01, 0x09, 0x01, 0xa1, 0x00, 0x75, 0x08, 0x95,
0x04, 0x35, 0x00, 0x46, 0xff, 0x00, 0x09, 0x30,
0x09, 0x31, 0x09, 0x32, 0x09, 0x35, 0x81, 0x02,
0xc0, 0x05, 0x01, 0x95, 0x13, 0x09, 0x01, 0x81,
0x02, 0x95, 0x0c, 0x81, 0x01, 0x75, 0x10, 0x95,
0x04, 0x26, 0xff, 0x03, 0x46, 0xff, 0x03, 0x09,
0x01, 0x81, 0x02, 0xc0, 0xa1, 0x02, 0x85, 0x02,
0x75, 0x08, 0x95, 0x30, 0x09, 0x01, 0xb1, 0x02,
0xc0, 0xa1, 0x02, 0x85, 0xee, 0x75, 0x08, 0x95,
0x30, 0x09, 0x01, 0xb1, 0x02, 0xc0, 0xa1, 0x02,
0x85, 0xef, 0x75, 0x08, 0x95, 0x30, 0x09, 0x01,
0xb1, 0x02, 0xc0, 0xc0,
};
struct sony_sc {
unsigned long quirks;
};
/* Sony Vaio VGX has wrongly mouse pointer declared as constant */
static __u8 *sony_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
struct sony_sc *sc = hid_get_drvdata(hdev);
/*
* Some Sony RF receivers wrongly declare the mouse pointer as a
* a constant non-data variable.
*/
if ((sc->quirks & VAIO_RDESC_CONSTANT) && *rsize >= 56 &&
/* usage page: generic desktop controls */
/* rdesc[0] == 0x05 && rdesc[1] == 0x01 && */
/* usage: mouse */
rdesc[2] == 0x09 && rdesc[3] == 0x02 &&
/* input (usage page for x,y axes): constant, variable, relative */
rdesc[54] == 0x81 && rdesc[55] == 0x07) {
hid_info(hdev, "Fixing up Sony RF Receiver report descriptor\n");
/* input: data, variable, relative */
rdesc[55] = 0x06;
}
/* The HID descriptor exposed over BT has a trailing zero byte */
if ((((sc->quirks & SIXAXIS_CONTROLLER_USB) && *rsize == 148) ||
((sc->quirks & SIXAXIS_CONTROLLER_BT) && *rsize == 149)) &&
rdesc[83] == 0x75) {
hid_info(hdev, "Fixing up Sony Sixaxis report descriptor\n");
memcpy((void *)&rdesc[83], (void *)&sixaxis_rdesc_fixup,
sizeof(sixaxis_rdesc_fixup));
} else if (sc->quirks & SIXAXIS_CONTROLLER_USB &&
*rsize > sizeof(sixaxis_rdesc_fixup2)) {
hid_info(hdev, "Sony Sixaxis clone detected. Using original report descriptor (size: %d clone; %d new)\n",
*rsize, (int)sizeof(sixaxis_rdesc_fixup2));
*rsize = sizeof(sixaxis_rdesc_fixup2);
memcpy(rdesc, &sixaxis_rdesc_fixup2, *rsize);
}
return rdesc;
}
static int sony_raw_event(struct hid_device *hdev, struct hid_report *report,
__u8 *rd, int size)
{
struct sony_sc *sc = hid_get_drvdata(hdev);
/* Sixaxis HID report has acclerometers/gyro with MSByte first, this
* has to be BYTE_SWAPPED before passing up to joystick interface
*/
if ((sc->quirks & (SIXAXIS_CONTROLLER_USB | SIXAXIS_CONTROLLER_BT)) &&
rd[0] == 0x01 && size == 49) {
swap(rd[41], rd[42]);
swap(rd[43], rd[44]);
swap(rd[45], rd[46]);
swap(rd[47], rd[48]);
}
return 0;
}
/*
* The Sony Sixaxis does not handle HID Output Reports on the Interrupt EP
* like it should according to usbhid/hid-core.c::usbhid_output_raw_report()
* so we need to override that forcing HID Output Reports on the Control EP.
*
* There is also another issue about HID Output Reports via USB, the Sixaxis
* does not want the report_id as part of the data packet, so we have to
* discard buf[0] when sending the actual control message, even for numbered
* reports, humpf!
*/
static int sixaxis_usb_output_raw_report(struct hid_device *hid, __u8 *buf,
size_t count, unsigned char report_type)
{
struct usb_interface *intf = to_usb_interface(hid->dev.parent);
struct usb_device *dev = interface_to_usbdev(intf);
struct usb_host_interface *interface = intf->cur_altsetting;
int report_id = buf[0];
int ret;
if (report_type == HID_OUTPUT_REPORT) {
/* Don't send the Report ID */
buf++;
count--;
}
ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
HID_REQ_SET_REPORT,
USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
((report_type + 1) << 8) | report_id,
interface->desc.bInterfaceNumber, buf, count,
USB_CTRL_SET_TIMEOUT);
/* Count also the Report ID, in case of an Output report. */
if (ret > 0 && report_type == HID_OUTPUT_REPORT)
ret++;
return ret;
}
/*
* Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
* to "operational". Without this, the ps3 controller will not report any
* events.
*/
static int sixaxis_set_operational_usb(struct hid_device *hdev)
{
struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
struct usb_device *dev = interface_to_usbdev(intf);
__u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
int ret;
char *buf = kmalloc(18, GFP_KERNEL);
if (!buf)
return -ENOMEM;
ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
HID_REQ_GET_REPORT,
USB_DIR_IN | USB_TYPE_CLASS |
USB_RECIP_INTERFACE,
(3 << 8) | 0xf2, ifnum, buf, 17,
USB_CTRL_GET_TIMEOUT);
if (ret < 0)
hid_err(hdev, "can't set operational mode\n");
kfree(buf);
return ret;
}
static int sixaxis_set_operational_bt(struct hid_device *hdev)
{
unsigned char buf[] = { 0xf4, 0x42, 0x03, 0x00, 0x00 };
return hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT);
}
static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret;
unsigned long quirks = id->driver_data;
struct sony_sc *sc;
sc = kzalloc(sizeof(*sc), GFP_KERNEL);
if (sc == NULL) {
hid_err(hdev, "can't alloc sony descriptor\n");
return -ENOMEM;
}
sc->quirks = quirks;
hid_set_drvdata(hdev, sc);
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
goto err_free;
}
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT |
HID_CONNECT_HIDDEV_FORCE);
if (ret) {
hid_err(hdev, "hw start failed\n");
goto err_free;
}
if (sc->quirks & SIXAXIS_CONTROLLER_USB) {
hdev->hid_output_raw_report = sixaxis_usb_output_raw_report;
ret = sixaxis_set_operational_usb(hdev);
}
else if (sc->quirks & SIXAXIS_CONTROLLER_BT)
ret = sixaxis_set_operational_bt(hdev);
else
ret = 0;
if (ret < 0)
goto err_stop;
return 0;
err_stop:
hid_hw_stop(hdev);
err_free:
kfree(sc);
return ret;
}
static void sony_remove(struct hid_device *hdev)
{
hid_hw_stop(hdev);
kfree(hid_get_drvdata(hdev));
}
static const struct hid_device_id sony_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
.driver_data = SIXAXIS_CONTROLLER_USB },
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER),
.driver_data = SIXAXIS_CONTROLLER_USB },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
.driver_data = SIXAXIS_CONTROLLER_BT },
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE),
.driver_data = VAIO_RDESC_CONSTANT },
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE),
.driver_data = VAIO_RDESC_CONSTANT },
{ }
};
MODULE_DEVICE_TABLE(hid, sony_devices);
static struct hid_driver sony_driver = {
.name = "sony",
.id_table = sony_devices,
.probe = sony_probe,
.remove = sony_remove,
.report_fixup = sony_report_fixup,
.raw_event = sony_raw_event
};
module_hid_driver(sony_driver);
MODULE_LICENSE("GPL");
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