[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / hid / hid-sony.c

/*
 *  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
};

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");
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
bd28ce00	7	* Copyright (c) 2008 Jiri Slaby
cc6e0bbb	8	* Copyright (c) 2006-2008 Jiri Kosina
bd28ce00 JS	9	*/
	10
	11	/*
	12	* This program is free software; you can redistribute it and/or modify it
	13	* under the terms of the GNU General Public License as published by the Free
	14	* Software Foundation; either version 2 of the License, or (at your option)
	15	* any later version.
	16	*/
	17
	18	#include <linux/device.h>
	19	#include <linux/hid.h>
	20	#include <linux/module.h>
5a0e3ad6	21	#include <linux/slab.h>
bd28ce00 JS	22	#include <linux/usb.h>
	23
	24	#include "hid-ids.h"
	25
816651a7 AO	26	#define VAIO_RDESC_CONSTANT (1 << 0)
	27	#define SIXAXIS_CONTROLLER_USB (1 << 1)
	28	#define SIXAXIS_CONTROLLER_BT (1 << 2)
cc6e0bbb	29
61ab44be SW	30	static const u8 sixaxis_rdesc_fixup[] = {
	31	0x95, 0x13, 0x09, 0x01, 0x81, 0x02, 0x95, 0x0C,
	32	0x81, 0x01, 0x75, 0x10, 0x95, 0x04, 0x26, 0xFF,
	33	0x03, 0x46, 0xFF, 0x03, 0x09, 0x01, 0x81, 0x02
	34	};
	35
cc6e0bbb JK	36	struct sony_sc {
	37	unsigned long quirks;
	38	};
	39
	40	/* Sony Vaio VGX has wrongly mouse pointer declared as constant */
73e4008d NK	41	static __u8 sony_report_fixup(struct hid_device hdev, __u8 *rdesc,
73e4008d NK	42	unsigned int *rsize)
cc6e0bbb JK	43	{
	44	struct sony_sc *sc = hid_get_drvdata(hdev);
	45
	46	if ((sc->quirks & VAIO_RDESC_CONSTANT) &&
73e4008d	47	*rsize >= 56 && rdesc[54] == 0x81 && rdesc[55] == 0x07) {
4291ee30	48	hid_info(hdev, "Fixing up Sony Vaio VGX report descriptor\n");
cc6e0bbb JK	49	rdesc[55] = 0x06;
cc6e0bbb JK	50	}
61ab44be SW	51
	52	/* The HID descriptor exposed over BT has a trailing zero byte */
	53	if ((((sc->quirks & SIXAXIS_CONTROLLER_USB) && *rsize == 148) \|\|
	54	((sc->quirks & SIXAXIS_CONTROLLER_BT) && *rsize == 149)) &&
	55	rdesc[83] == 0x75) {
	56	hid_info(hdev, "Fixing up Sony Sixaxis report descriptor\n");
	57	memcpy((void )&rdesc[83], (void )&sixaxis_rdesc_fixup,
	58	sizeof(sixaxis_rdesc_fixup));
	59	}
73e4008d	60	return rdesc;
cc6e0bbb JK	61	}
cc6e0bbb JK	62
c9e4d877 SW	63	static int sony_raw_event(struct hid_device hdev, struct hid_report report,
	64	__u8 *rd, int size)
	65	{
	66	struct sony_sc *sc = hid_get_drvdata(hdev);
	67
	68	/* Sixaxis HID report has acclerometers/gyro with MSByte first, this
	69	* has to be BYTE_SWAPPED before passing up to joystick interface
	70	*/
	71	if ((sc->quirks & (SIXAXIS_CONTROLLER_USB \| SIXAXIS_CONTROLLER_BT)) &&
	72	rd[0] == 0x01 && size == 49) {
	73	swap(rd[41], rd[42]);
	74	swap(rd[43], rd[44]);
	75	swap(rd[45], rd[46]);
	76	swap(rd[47], rd[48]);
	77	}
	78
	79	return 0;
	80	}
	81
5710fabf AO	82	/*
	83	* The Sony Sixaxis does not handle HID Output Reports on the Interrupt EP
	84	* like it should according to usbhid/hid-core.c::usbhid_output_raw_report()
	85	* so we need to override that forcing HID Output Reports on the Control EP.
	86	*
	87	* There is also another issue about HID Output Reports via USB, the Sixaxis
	88	* does not want the report_id as part of the data packet, so we have to
	89	* discard buf[0] when sending the actual control message, even for numbered
	90	* reports, humpf!
	91	*/
569b10a5 AO	92	static int sixaxis_usb_output_raw_report(struct hid_device hid, __u8 buf,
	93	size_t count, unsigned char report_type)
	94	{
	95	struct usb_interface *intf = to_usb_interface(hid->dev.parent);
	96	struct usb_device *dev = interface_to_usbdev(intf);
	97	struct usb_host_interface *interface = intf->cur_altsetting;
	98	int report_id = buf[0];
	99	int ret;
	100
5710fabf AO	101	if (report_type == HID_OUTPUT_REPORT) {
	102	/* Don't send the Report ID */
	103	buf++;
	104	count--;
	105	}
	106
569b10a5 AO	107	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
	108	HID_REQ_SET_REPORT,
	109	USB_DIR_OUT \| USB_TYPE_CLASS \| USB_RECIP_INTERFACE,
	110	((report_type + 1) << 8) \| report_id,
	111	interface->desc.bInterfaceNumber, buf, count,
	112	USB_CTRL_SET_TIMEOUT);
	113
5710fabf AO	114	/* Count also the Report ID, in case of an Output report. */
	115	if (ret > 0 && report_type == HID_OUTPUT_REPORT)
	116	ret++;
	117
569b10a5 AO	118	return ret;
	119	}
	120
bd28ce00 JS	121	/*
	122	* Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
	123	* to "operational". Without this, the ps3 controller will not report any
	124	* events.
	125	*/
816651a7	126	static int sixaxis_set_operational_usb(struct hid_device *hdev)
bd28ce00 JS	127	{
	128	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
	129	struct usb_device *dev = interface_to_usbdev(intf);
	130	__u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
	131	int ret;
	132	char *buf = kmalloc(18, GFP_KERNEL);
	133
	134	if (!buf)
	135	return -ENOMEM;
	136
	137	ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
	138	HID_REQ_GET_REPORT,
	139	USB_DIR_IN \| USB_TYPE_CLASS \|
	140	USB_RECIP_INTERFACE,
	141	(3 << 8) \| 0xf2, ifnum, buf, 17,
	142	USB_CTRL_GET_TIMEOUT);
	143	if (ret < 0)
4291ee30	144	hid_err(hdev, "can't set operational mode\n");
bd28ce00 JS	145
	146	kfree(buf);
	147
	148	return ret;
	149	}
	150
816651a7	151	static int sixaxis_set_operational_bt(struct hid_device *hdev)
f9ce7c28	152	{
fddb33f2	153	unsigned char buf[] = { 0xf4, 0x42, 0x03, 0x00, 0x00 };
f9ce7c28 BN	154	return hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT);
	155	}
	156
bd28ce00 JS	157	static int sony_probe(struct hid_device hdev, const struct hid_device_id id)
	158	{
	159	int ret;
cc6e0bbb JK	160	unsigned long quirks = id->driver_data;
	161	struct sony_sc *sc;
	162
	163	sc = kzalloc(sizeof(*sc), GFP_KERNEL);
	164	if (sc == NULL) {
4291ee30	165	hid_err(hdev, "can't alloc sony descriptor\n");
cc6e0bbb JK	166	return -ENOMEM;
	167	}
	168
	169	sc->quirks = quirks;
	170	hid_set_drvdata(hdev, sc);
bd28ce00	171
bd28ce00 JS	172	ret = hid_parse(hdev);
bd28ce00 JS	173	if (ret) {
4291ee30	174	hid_err(hdev, "parse failed\n");
bd28ce00 JS	175	goto err_free;
	176	}
	177
93c10132 JS	178	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT \|
93c10132 JS	179	HID_CONNECT_HIDDEV_FORCE);
bd28ce00	180	if (ret) {
4291ee30	181	hid_err(hdev, "hw start failed\n");
bd28ce00 JS	182	goto err_free;
	183	}
	184
569b10a5 AO	185	if (sc->quirks & SIXAXIS_CONTROLLER_USB) {
569b10a5 AO	186	hdev->hid_output_raw_report = sixaxis_usb_output_raw_report;
816651a7	187	ret = sixaxis_set_operational_usb(hdev);
569b10a5	188	}
816651a7 AO	189	else if (sc->quirks & SIXAXIS_CONTROLLER_BT)
	190	ret = sixaxis_set_operational_bt(hdev);
	191	else
f9ce7c28	192	ret = 0;
f9ce7c28	193
4dfdc464	194	if (ret < 0)
bd28ce00 JS	195	goto err_stop;
	196
	197	return 0;
	198	err_stop:
	199	hid_hw_stop(hdev);
	200	err_free:
cc6e0bbb	201	kfree(sc);
bd28ce00 JS	202	return ret;
	203	}
	204
cc6e0bbb JK	205	static void sony_remove(struct hid_device *hdev)
	206	{
	207	hid_hw_stop(hdev);
	208	kfree(hid_get_drvdata(hdev));
	209	}
	210
bd28ce00	211	static const struct hid_device_id sony_devices[] = {
816651a7 AO	212	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
816651a7 AO	213	.driver_data = SIXAXIS_CONTROLLER_USB },
35dca5b4 JK	214	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER),
35dca5b4 JK	215	.driver_data = SIXAXIS_CONTROLLER_USB },
816651a7 AO	216	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
816651a7 AO	217	.driver_data = SIXAXIS_CONTROLLER_BT },
cc6e0bbb JK	218	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE),
cc6e0bbb JK	219	.driver_data = VAIO_RDESC_CONSTANT },
bd28ce00 JS	220	{ }
	221	};
	222	MODULE_DEVICE_TABLE(hid, sony_devices);
	223
	224	static struct hid_driver sony_driver = {
	225	.name = "sony",
	226	.id_table = sony_devices,
	227	.probe = sony_probe,
cc6e0bbb JK	228	.remove = sony_remove,
cc6e0bbb JK	229	.report_fixup = sony_report_fixup,
c9e4d877	230	.raw_event = sony_raw_event
bd28ce00 JS	231	};
bd28ce00 JS	232
a24f423b	233	static int __init sony_init(void)
bd28ce00 JS	234	{
	235	return hid_register_driver(&sony_driver);
	236	}
	237
a24f423b	238	static void __exit sony_exit(void)
bd28ce00 JS	239	{
	240	hid_unregister_driver(&sony_driver);
	241	}
	242
	243	module_init(sony_init);
	244	module_exit(sony_exit);
	245	MODULE_LICENSE("GPL");