drivers/hid/hid-sony.c - kernel/msm-4.9 - Gitiles

 /*
  *  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
 };

 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
 };
 module_hid_driver(sony_driver);

 MODULE_LICENSE("GPL");
	/*
	* 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
	};

	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
	};
	module_hid_driver(sony_driver);

	MODULE_LICENSE("GPL");