/* * 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) 2007 Paul Walmsley * 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 }; 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); if ((sc->quirks & VAIO_RDESC_CONSTANT) && *rsize >= 56 && rdesc[54] == 0x81 && rdesc[55] == 0x07) { hid_info(hdev, "Fixing up Sony Vaio VGX report descriptor\n"); 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)); } 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 }, { } }; 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 }; static int __init sony_init(void) { return hid_register_driver(&sony_driver); } static void __exit sony_exit(void) { hid_unregister_driver(&sony_driver); } module_init(sony_init); module_exit(sony_exit); MODULE_LICENSE("GPL");