[mirror_ubuntu-bionic-kernel.git] / drivers / input / tablet / wacom_sys.c

/*
 * drivers/input/tablet/wacom_sys.c
 *
 *  USB Wacom Graphire and Wacom Intuos tablet support - system specific code
 */

/*
 * 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 "wacom.h"
#include "wacom_wac.h"

#define USB_REQ_GET_REPORT	0x01
#define USB_REQ_SET_REPORT	0x09

static int usb_get_report(struct usb_interface *intf, unsigned char type,
				unsigned char id, void *buf, int size)
{
	return usb_control_msg(interface_to_usbdev(intf),
		usb_rcvctrlpipe(interface_to_usbdev(intf), 0),
		USB_REQ_GET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
		(type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber,
		buf, size, 100);
}

static int usb_set_report(struct usb_interface *intf, unsigned char type,
				unsigned char id, void *buf, int size)
{
	return usb_control_msg(interface_to_usbdev(intf),
		usb_sndctrlpipe(interface_to_usbdev(intf), 0),
                USB_REQ_SET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
                (type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber,
		buf, size, 1000);
}

static struct input_dev * get_input_dev(struct wacom_combo *wcombo)
{
	return wcombo->wacom->dev;
}

static void wacom_sys_irq(struct urb *urb)
{
	struct wacom *wacom = urb->context;
	struct wacom_combo wcombo;
	int retval;

	switch (urb->status) {
	case 0:
		/* success */
		break;
	case -ECONNRESET:
	case -ENOENT:
	case -ESHUTDOWN:
		/* this urb is terminated, clean up */
		dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
		return;
	default:
		dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
		goto exit;
	}

	wcombo.wacom = wacom;
	wcombo.urb = urb;

	if (wacom_wac_irq(wacom->wacom_wac, (void *)&wcombo))
		input_sync(get_input_dev(&wcombo));

 exit:
	usb_mark_last_busy(wacom->usbdev);
	retval = usb_submit_urb (urb, GFP_ATOMIC);
	if (retval)
		err ("%s - usb_submit_urb failed with result %d",
		     __FUNCTION__, retval);
}

void wacom_report_key(void *wcombo, unsigned int key_type, int key_data)
{
	input_report_key(get_input_dev((struct wacom_combo *)wcombo), key_type, key_data);
	return;
}

void wacom_report_abs(void *wcombo, unsigned int abs_type, int abs_data)
{
	input_report_abs(get_input_dev((struct wacom_combo *)wcombo), abs_type, abs_data);
	return;
}

void wacom_report_rel(void *wcombo, unsigned int rel_type, int rel_data)
{
	input_report_rel(get_input_dev((struct wacom_combo *)wcombo), rel_type, rel_data);
	return;
}

void wacom_input_event(void *wcombo, unsigned int type, unsigned int code, int value)
{
	input_event(get_input_dev((struct wacom_combo *)wcombo), type, code, value);
	return;
}

__u16 wacom_be16_to_cpu(unsigned char *data)
{
	__u16 value;
	value = be16_to_cpu(*(__be16 *) data);
	return value;
}

__u16 wacom_le16_to_cpu(unsigned char *data)
{
	__u16 value;
	value = le16_to_cpu(*(__le16 *) data);
	return value;
}

void wacom_input_sync(void *wcombo)
{
	input_sync(get_input_dev((struct wacom_combo *)wcombo));
	return;
}

static int wacom_open(struct input_dev *dev)
{
	struct wacom *wacom = input_get_drvdata(dev);

	mutex_lock(&wacom->lock);

	wacom->irq->dev = wacom->usbdev;

	if (usb_autopm_get_interface(wacom->intf) < 0) {
		mutex_unlock(&wacom->lock);
		return -EIO;
	}

	if (usb_submit_urb(wacom->irq, GFP_KERNEL)) {
		usb_autopm_put_interface(wacom->intf);
		mutex_unlock(&wacom->lock);
		return -EIO;
	}

	wacom->open = 1;
	wacom->intf->needs_remote_wakeup = 1;

	mutex_unlock(&wacom->lock);
	return 0;
}

static void wacom_close(struct input_dev *dev)
{
	struct wacom *wacom = input_get_drvdata(dev);

	mutex_lock(&wacom->lock);
	usb_kill_urb(wacom->irq);
	wacom->open = 0;
	wacom->intf->needs_remote_wakeup = 0;
	mutex_unlock(&wacom->lock);
}

void input_dev_mo(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
{
	input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_1) |
		BIT_MASK(BTN_5);
	input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
}

void input_dev_g4(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
{
	input_dev->evbit[0] |= BIT_MASK(EV_MSC);
	input_dev->mscbit[0] |= BIT_MASK(MSC_SERIAL);
	input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_FINGER);
	input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_0) |
		BIT_MASK(BTN_4);
}

void input_dev_g(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
{
	input_dev->evbit[0] |= BIT_MASK(EV_REL);
	input_dev->relbit[0] |= BIT_MASK(REL_WHEEL);
	input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_LEFT) |
		BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE);
	input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_RUBBER) |
		BIT_MASK(BTN_TOOL_MOUSE) | BIT_MASK(BTN_STYLUS2);
	input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom_wac->features->distance_max, 0, 0);
}

void input_dev_i3s(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
{
	input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_FINGER);
	input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_0) |
		BIT_MASK(BTN_1) | BIT_MASK(BTN_2) | BIT_MASK(BTN_3);
	input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
	input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
}

void input_dev_i3(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
{
	input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_4) |
		BIT_MASK(BTN_5) | BIT_MASK(BTN_6) | BIT_MASK(BTN_7);
	input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
}

void input_dev_bee(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
{
	input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_8) | BIT_MASK(BTN_9);
}

void input_dev_i(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
{
	input_dev->evbit[0] |= BIT_MASK(EV_MSC) | BIT_MASK(EV_REL);
	input_dev->mscbit[0] |= BIT_MASK(MSC_SERIAL);
	input_dev->relbit[0] |= BIT_MASK(REL_WHEEL);
	input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_LEFT) |
		BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE) |
		BIT_MASK(BTN_SIDE) | BIT_MASK(BTN_EXTRA);
	input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_RUBBER) |
		BIT_MASK(BTN_TOOL_MOUSE) | BIT_MASK(BTN_TOOL_BRUSH) |
		BIT_MASK(BTN_TOOL_PENCIL) | BIT_MASK(BTN_TOOL_AIRBRUSH) |
		BIT_MASK(BTN_TOOL_LENS) | BIT_MASK(BTN_STYLUS2);
	input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom_wac->features->distance_max, 0, 0);
	input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
	input_set_abs_params(input_dev, ABS_TILT_X, 0, 127, 0, 0);
	input_set_abs_params(input_dev, ABS_TILT_Y, 0, 127, 0, 0);
	input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
	input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
}

void input_dev_pl(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
{
	input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_STYLUS2) |
		BIT_MASK(BTN_TOOL_RUBBER);
}

void input_dev_pt(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
{
	input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_RUBBER);
}

static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *id)
{
	struct usb_device *dev = interface_to_usbdev(intf);
	struct usb_endpoint_descriptor *endpoint;
	struct wacom *wacom;
	struct wacom_wac *wacom_wac;
	struct input_dev *input_dev;
	int error = -ENOMEM;
	char rep_data[2], limit = 0;

	wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL);
	wacom_wac = kzalloc(sizeof(struct wacom_wac), GFP_KERNEL);
	input_dev = input_allocate_device();
	if (!wacom || !input_dev || !wacom_wac)
		goto fail1;

	wacom_wac->data = usb_buffer_alloc(dev, 10, GFP_KERNEL, &wacom->data_dma);
	if (!wacom_wac->data)
		goto fail1;

	wacom->irq = usb_alloc_urb(0, GFP_KERNEL);
	if (!wacom->irq)
		goto fail2;

	wacom->usbdev = dev;
	wacom->dev = input_dev;
	wacom->intf = intf;
	mutex_init(&wacom->lock);
	usb_make_path(dev, wacom->phys, sizeof(wacom->phys));
	strlcat(wacom->phys, "/input0", sizeof(wacom->phys));

	wacom_wac->features = get_wacom_feature(id);
	BUG_ON(wacom_wac->features->pktlen > 10);

	input_dev->name = wacom_wac->features->name;
	wacom->wacom_wac = wacom_wac;
	usb_to_input_id(dev, &input_dev->id);

	input_dev->dev.parent = &intf->dev;

	input_set_drvdata(input_dev, wacom);

	input_dev->open = wacom_open;
	input_dev->close = wacom_close;

	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
	input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_PEN) |
		BIT_MASK(BTN_TOUCH) | BIT_MASK(BTN_STYLUS);
	input_set_abs_params(input_dev, ABS_X, 0, wacom_wac->features->x_max, 4, 0);
	input_set_abs_params(input_dev, ABS_Y, 0, wacom_wac->features->y_max, 4, 0);
	input_set_abs_params(input_dev, ABS_PRESSURE, 0, wacom_wac->features->pressure_max, 0, 0);
	input_dev->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC);

	wacom_init_input_dev(input_dev, wacom_wac);

	endpoint = &intf->cur_altsetting->endpoint[0].desc;

	usb_fill_int_urb(wacom->irq, dev,
			 usb_rcvintpipe(dev, endpoint->bEndpointAddress),
			 wacom_wac->data, wacom_wac->features->pktlen,
			 wacom_sys_irq, wacom, endpoint->bInterval);
	wacom->irq->transfer_dma = wacom->data_dma;
	wacom->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;

	error = input_register_device(wacom->dev);
	if (error)
		goto fail3;

	/* Ask the tablet to report tablet data. Repeat until it succeeds */
	do {
		rep_data[0] = 2;
		rep_data[1] = 2;
		usb_set_report(intf, 3, 2, rep_data, 2);
		usb_get_report(intf, 3, 2, rep_data, 2);
	} while (rep_data[1] != 2 && limit++ < 5);

	usb_set_intfdata(intf, wacom);
	return 0;

 fail3:	usb_free_urb(wacom->irq);
 fail2:	usb_buffer_free(dev, 10, wacom_wac->data, wacom->data_dma);
 fail1:	input_free_device(input_dev);
	kfree(wacom);
	kfree(wacom_wac);
	return error;
}

static void wacom_disconnect(struct usb_interface *intf)
{
	struct wacom *wacom = usb_get_intfdata(intf);

	usb_set_intfdata(intf, NULL);

	usb_kill_urb(wacom->irq);
	input_unregister_device(wacom->dev);
	usb_free_urb(wacom->irq);
	usb_buffer_free(interface_to_usbdev(intf), 10, wacom->wacom_wac->data, wacom->data_dma);
	kfree(wacom->wacom_wac);
	kfree(wacom);
}

static int wacom_suspend(struct usb_interface *intf, pm_message_t message)
{
	struct wacom *wacom = usb_get_intfdata(intf);

	mutex_lock(&wacom->lock);
	usb_kill_urb(wacom->irq);
	mutex_unlock(&wacom->lock);

	return 0;
}

static int wacom_resume(struct usb_interface *intf)
{
	struct wacom *wacom = usb_get_intfdata(intf);
	int rv;

	mutex_lock(&wacom->lock);
	if (wacom->open)
		rv = usb_submit_urb(wacom->irq, GFP_NOIO);
	else
		rv = 0;
	mutex_unlock(&wacom->lock);

	return rv;
}

static int wacom_reset_resume(struct usb_interface *intf)
{
	return wacom_resume(intf);
}

static struct usb_driver wacom_driver = {
	.name =		"wacom",
	.probe =	wacom_probe,
	.disconnect =	wacom_disconnect,
	.suspend =	wacom_suspend,
	.resume =	wacom_resume,
	.reset_resume =	wacom_reset_resume,
	.supports_autosuspend = 1,
};

static int __init wacom_init(void)
{
	int result;
	wacom_driver.id_table = get_device_table();
	result = usb_register(&wacom_driver);
	if (result == 0)
		info(DRIVER_VERSION ":" DRIVER_DESC);
	return result;
}

static void __exit wacom_exit(void)
{
	usb_deregister(&wacom_driver);
}

module_init(wacom_init);
module_exit(wacom_exit);
Commit	Line	Data
3bea733a	1	/*
4104d13f	2	* drivers/input/tablet/wacom_sys.c
3bea733a PC	3	*
	4	* USB Wacom Graphire and Wacom Intuos tablet support - system specific code
	5	*/
	6
	7	/*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License as published by
	10	* the Free Software Foundation; either version 2 of the License, or
	11	* (at your option) any later version.
	12	*/
	13
	14	#include "wacom.h"
	15	#include "wacom_wac.h"
	16
	17	#define USB_REQ_GET_REPORT 0x01
	18	#define USB_REQ_SET_REPORT 0x09
	19
	20	static int usb_get_report(struct usb_interface *intf, unsigned char type,
	21	unsigned char id, void *buf, int size)
	22	{
	23	return usb_control_msg(interface_to_usbdev(intf),
	24	usb_rcvctrlpipe(interface_to_usbdev(intf), 0),
	25	USB_REQ_GET_REPORT, USB_TYPE_CLASS \| USB_RECIP_INTERFACE,
	26	(type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber,
	27	buf, size, 100);
	28	}
	29
	30	static int usb_set_report(struct usb_interface *intf, unsigned char type,
	31	unsigned char id, void *buf, int size)
	32	{
	33	return usb_control_msg(interface_to_usbdev(intf),
	34	usb_sndctrlpipe(interface_to_usbdev(intf), 0),
	35	USB_REQ_SET_REPORT, USB_TYPE_CLASS \| USB_RECIP_INTERFACE,
	36	(type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber,
	37	buf, size, 1000);
	38	}
	39
	40	static struct input_dev * get_input_dev(struct wacom_combo *wcombo)
	41	{
	42	return wcombo->wacom->dev;
	43	}
	44
54c9b226	45	static void wacom_sys_irq(struct urb *urb)
3bea733a PC	46	{
	47	struct wacom *wacom = urb->context;
	48	struct wacom_combo wcombo;
	49	int retval;
	50
	51	switch (urb->status) {
	52	case 0:
	53	/* success */
	54	break;
	55	case -ECONNRESET:
	56	case -ENOENT:
	57	case -ESHUTDOWN:
	58	/* this urb is terminated, clean up */
	59	dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
	60	return;
	61	default:
	62	dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
	63	goto exit;
	64	}
	65
	66	wcombo.wacom = wacom;
	67	wcombo.urb = urb;
3bea733a PC	68
	69	if (wacom_wac_irq(wacom->wacom_wac, (void *)&wcombo))
	70	input_sync(get_input_dev(&wcombo));
	71
	72	exit:
e7224094	73	usb_mark_last_busy(wacom->usbdev);
3bea733a PC	74	retval = usb_submit_urb (urb, GFP_ATOMIC);
	75	if (retval)
	76	err ("%s - usb_submit_urb failed with result %d",
	77	__FUNCTION__, retval);
	78	}
	79
	80	void wacom_report_key(void *wcombo, unsigned int key_type, int key_data)
	81	{
	82	input_report_key(get_input_dev((struct wacom_combo *)wcombo), key_type, key_data);
	83	return;
	84	}
	85
	86	void wacom_report_abs(void *wcombo, unsigned int abs_type, int abs_data)
	87	{
	88	input_report_abs(get_input_dev((struct wacom_combo *)wcombo), abs_type, abs_data);
	89	return;
	90	}
	91
	92	void wacom_report_rel(void *wcombo, unsigned int rel_type, int rel_data)
	93	{
	94	input_report_rel(get_input_dev((struct wacom_combo *)wcombo), rel_type, rel_data);
	95	return;
	96	}
	97
	98	void wacom_input_event(void *wcombo, unsigned int type, unsigned int code, int value)
	99	{
	100	input_event(get_input_dev((struct wacom_combo *)wcombo), type, code, value);
	101	return;
	102	}
	103
	104	__u16 wacom_be16_to_cpu(unsigned char *data)
	105	{
	106	__u16 value;
	107	value = be16_to_cpu((__be16 ) data);
	108	return value;
	109	}
	110
	111	__u16 wacom_le16_to_cpu(unsigned char *data)
	112	{
	113	__u16 value;
8d32e3ae	114	value = le16_to_cpu((__le16 ) data);
3bea733a PC	115	return value;
	116	}
	117
3bea733a PC	118	void wacom_input_sync(void *wcombo)
	119	{
	120	input_sync(get_input_dev((struct wacom_combo *)wcombo));
	121	return;
	122	}
	123
	124	static int wacom_open(struct input_dev *dev)
	125	{
7791bdae	126	struct wacom *wacom = input_get_drvdata(dev);
3bea733a	127
e7224094 ON	128	mutex_lock(&wacom->lock);
e7224094 ON	129
3bea733a	130	wacom->irq->dev = wacom->usbdev;
e7224094 ON	131
	132	if (usb_autopm_get_interface(wacom->intf) < 0) {
	133	mutex_unlock(&wacom->lock);
3bea733a	134	return -EIO;
e7224094 ON	135	}
	136
	137	if (usb_submit_urb(wacom->irq, GFP_KERNEL)) {
	138	usb_autopm_put_interface(wacom->intf);
	139	mutex_unlock(&wacom->lock);
	140	return -EIO;
	141	}
	142
	143	wacom->open = 1;
	144	wacom->intf->needs_remote_wakeup = 1;
3bea733a	145
e7224094	146	mutex_unlock(&wacom->lock);
3bea733a PC	147	return 0;
	148	}
	149
	150	static void wacom_close(struct input_dev *dev)
	151	{
7791bdae	152	struct wacom *wacom = input_get_drvdata(dev);
3bea733a	153
e7224094	154	mutex_lock(&wacom->lock);
3bea733a	155	usb_kill_urb(wacom->irq);
e7224094 ON	156	wacom->open = 0;
	157	wacom->intf->needs_remote_wakeup = 0;
	158	mutex_unlock(&wacom->lock);
3bea733a PC	159	}
3bea733a PC	160
7ecfbfd3 PC	161	void input_dev_mo(struct input_dev input_dev, struct wacom_wac wacom_wac)
7ecfbfd3 PC	162	{
7b19ada2 JS	163	input_dev->keybit[BIT_WORD(BTN_LEFT)] \|= BIT_MASK(BTN_1) \|
7b19ada2 JS	164	BIT_MASK(BTN_5);
7ecfbfd3 PC	165	input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
	166	}
	167
3bea733a PC	168	void input_dev_g4(struct input_dev input_dev, struct wacom_wac wacom_wac)
3bea733a PC	169	{
7b19ada2 JS	170	input_dev->evbit[0] \|= BIT_MASK(EV_MSC);
	171	input_dev->mscbit[0] \|= BIT_MASK(MSC_SERIAL);
	172	input_dev->keybit[BIT_WORD(BTN_DIGI)] \|= BIT_MASK(BTN_TOOL_FINGER);
	173	input_dev->keybit[BIT_WORD(BTN_LEFT)] \|= BIT_MASK(BTN_0) \|
	174	BIT_MASK(BTN_4);
3bea733a PC	175	}
	176
	177	void input_dev_g(struct input_dev input_dev, struct wacom_wac wacom_wac)
	178	{
7b19ada2 JS	179	input_dev->evbit[0] \|= BIT_MASK(EV_REL);
	180	input_dev->relbit[0] \|= BIT_MASK(REL_WHEEL);
	181	input_dev->keybit[BIT_WORD(BTN_LEFT)] \|= BIT_MASK(BTN_LEFT) \|
	182	BIT_MASK(BTN_RIGHT) \| BIT_MASK(BTN_MIDDLE);
	183	input_dev->keybit[BIT_WORD(BTN_DIGI)] \|= BIT_MASK(BTN_TOOL_RUBBER) \|
	184	BIT_MASK(BTN_TOOL_MOUSE) \| BIT_MASK(BTN_STYLUS2);
3bea733a PC	185	input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom_wac->features->distance_max, 0, 0);
	186	}
	187
8d32e3ae	188	void input_dev_i3s(struct input_dev input_dev, struct wacom_wac wacom_wac)
3bea733a	189	{
7b19ada2 JS	190	input_dev->keybit[BIT_WORD(BTN_DIGI)] \|= BIT_MASK(BTN_TOOL_FINGER);
	191	input_dev->keybit[BIT_WORD(BTN_LEFT)] \|= BIT_MASK(BTN_0) \|
	192	BIT_MASK(BTN_1) \| BIT_MASK(BTN_2) \| BIT_MASK(BTN_3);
071e0a2a	193	input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
0e1763f5	194	input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
8d32e3ae PC	195	}
	196
	197	void input_dev_i3(struct input_dev input_dev, struct wacom_wac wacom_wac)
	198	{
7b19ada2 JS	199	input_dev->keybit[BIT_WORD(BTN_LEFT)] \|= BIT_MASK(BTN_4) \|
7b19ada2 JS	200	BIT_MASK(BTN_5) \| BIT_MASK(BTN_6) \| BIT_MASK(BTN_7);
071e0a2a	201	input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
3bea733a PC	202	}
3bea733a PC	203
0e1763f5 PC	204	void input_dev_bee(struct input_dev input_dev, struct wacom_wac wacom_wac)
	205	{
	206	input_dev->keybit[BIT_WORD(BTN_LEFT)] \|= BIT_MASK(BTN_8) \| BIT_MASK(BTN_9);
	207	}
	208
3bea733a PC	209	void input_dev_i(struct input_dev input_dev, struct wacom_wac wacom_wac)
3bea733a PC	210	{
7b19ada2 JS	211	input_dev->evbit[0] \|= BIT_MASK(EV_MSC) \| BIT_MASK(EV_REL);
	212	input_dev->mscbit[0] \|= BIT_MASK(MSC_SERIAL);
	213	input_dev->relbit[0] \|= BIT_MASK(REL_WHEEL);
	214	input_dev->keybit[BIT_WORD(BTN_LEFT)] \|= BIT_MASK(BTN_LEFT) \|
	215	BIT_MASK(BTN_RIGHT) \| BIT_MASK(BTN_MIDDLE) \|
	216	BIT_MASK(BTN_SIDE) \| BIT_MASK(BTN_EXTRA);
	217	input_dev->keybit[BIT_WORD(BTN_DIGI)] \|= BIT_MASK(BTN_TOOL_RUBBER) \|
	218	BIT_MASK(BTN_TOOL_MOUSE) \| BIT_MASK(BTN_TOOL_BRUSH) \|
	219	BIT_MASK(BTN_TOOL_PENCIL) \| BIT_MASK(BTN_TOOL_AIRBRUSH) \|
	220	BIT_MASK(BTN_TOOL_LENS) \| BIT_MASK(BTN_STYLUS2);
3bea733a PC	221	input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom_wac->features->distance_max, 0, 0);
	222	input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
	223	input_set_abs_params(input_dev, ABS_TILT_X, 0, 127, 0, 0);
	224	input_set_abs_params(input_dev, ABS_TILT_Y, 0, 127, 0, 0);
	225	input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
	226	input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
	227	}
	228
	229	void input_dev_pl(struct input_dev input_dev, struct wacom_wac wacom_wac)
	230	{
7b19ada2 JS	231	input_dev->keybit[BIT_WORD(BTN_DIGI)] \|= BIT_MASK(BTN_STYLUS2) \|
7b19ada2 JS	232	BIT_MASK(BTN_TOOL_RUBBER);
3bea733a PC	233	}
	234
	235	void input_dev_pt(struct input_dev input_dev, struct wacom_wac wacom_wac)
	236	{
7b19ada2	237	input_dev->keybit[BIT_WORD(BTN_DIGI)] \|= BIT_MASK(BTN_TOOL_RUBBER);
3bea733a PC	238	}
	239
	240	static int wacom_probe(struct usb_interface intf, const struct usb_device_id id)
	241	{
	242	struct usb_device *dev = interface_to_usbdev(intf);
	243	struct usb_endpoint_descriptor *endpoint;
	244	struct wacom *wacom;
	245	struct wacom_wac *wacom_wac;
	246	struct input_dev *input_dev;
5014186d	247	int error = -ENOMEM;
3bea733a PC	248	char rep_data[2], limit = 0;
	249
	250	wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL);
	251	wacom_wac = kzalloc(sizeof(struct wacom_wac), GFP_KERNEL);
	252	input_dev = input_allocate_device();
	253	if (!wacom \|\| !input_dev \|\| !wacom_wac)
	254	goto fail1;
	255
	256	wacom_wac->data = usb_buffer_alloc(dev, 10, GFP_KERNEL, &wacom->data_dma);
	257	if (!wacom_wac->data)
	258	goto fail1;
	259
	260	wacom->irq = usb_alloc_urb(0, GFP_KERNEL);
	261	if (!wacom->irq)
	262	goto fail2;
	263
	264	wacom->usbdev = dev;
	265	wacom->dev = input_dev;
e7224094 ON	266	wacom->intf = intf;
e7224094 ON	267	mutex_init(&wacom->lock);
3bea733a PC	268	usb_make_path(dev, wacom->phys, sizeof(wacom->phys));
	269	strlcat(wacom->phys, "/input0", sizeof(wacom->phys));
	270
	271	wacom_wac->features = get_wacom_feature(id);
2920349d	272	BUG_ON(wacom_wac->features->pktlen > 10);
3bea733a PC	273
	274	input_dev->name = wacom_wac->features->name;
	275	wacom->wacom_wac = wacom_wac;
	276	usb_to_input_id(dev, &input_dev->id);
	277
c0f82d57	278	input_dev->dev.parent = &intf->dev;
7791bdae DT	279
	280	input_set_drvdata(input_dev, wacom);
	281
3bea733a PC	282	input_dev->open = wacom_open;
	283	input_dev->close = wacom_close;
	284
7b19ada2 JS	285	input_dev->evbit[0] \|= BIT_MASK(EV_KEY) \| BIT_MASK(EV_ABS);
	286	input_dev->keybit[BIT_WORD(BTN_DIGI)] \|= BIT_MASK(BTN_TOOL_PEN) \|
	287	BIT_MASK(BTN_TOUCH) \| BIT_MASK(BTN_STYLUS);
3bea733a PC	288	input_set_abs_params(input_dev, ABS_X, 0, wacom_wac->features->x_max, 4, 0);
	289	input_set_abs_params(input_dev, ABS_Y, 0, wacom_wac->features->y_max, 4, 0);
	290	input_set_abs_params(input_dev, ABS_PRESSURE, 0, wacom_wac->features->pressure_max, 0, 0);
7b19ada2	291	input_dev->absbit[BIT_WORD(ABS_MISC)] \|= BIT_MASK(ABS_MISC);
3bea733a PC	292
	293	wacom_init_input_dev(input_dev, wacom_wac);
	294
	295	endpoint = &intf->cur_altsetting->endpoint[0].desc;
	296
	297	usb_fill_int_urb(wacom->irq, dev,
	298	usb_rcvintpipe(dev, endpoint->bEndpointAddress),
	299	wacom_wac->data, wacom_wac->features->pktlen,
8d32e3ae	300	wacom_sys_irq, wacom, endpoint->bInterval);
3bea733a PC	301	wacom->irq->transfer_dma = wacom->data_dma;
	302	wacom->irq->transfer_flags \|= URB_NO_TRANSFER_DMA_MAP;
	303
5014186d DT	304	error = input_register_device(wacom->dev);
	305	if (error)
	306	goto fail3;
3bea733a PC	307
	308	/* Ask the tablet to report tablet data. Repeat until it succeeds */
	309	do {
	310	rep_data[0] = 2;
	311	rep_data[1] = 2;
	312	usb_set_report(intf, 3, 2, rep_data, 2);
	313	usb_get_report(intf, 3, 2, rep_data, 2);
	314	} while (rep_data[1] != 2 && limit++ < 5);
	315
	316	usb_set_intfdata(intf, wacom);
	317	return 0;
	318
5014186d DT	319	fail3: usb_free_urb(wacom->irq);
	320	fail2: usb_buffer_free(dev, 10, wacom_wac->data, wacom->data_dma);
	321	fail1: input_free_device(input_dev);
3bea733a PC	322	kfree(wacom);
3bea733a PC	323	kfree(wacom_wac);
5014186d	324	return error;
3bea733a PC	325	}
	326
	327	static void wacom_disconnect(struct usb_interface *intf)
	328	{
e7224094	329	struct wacom *wacom = usb_get_intfdata(intf);
3bea733a PC	330
3bea733a PC	331	usb_set_intfdata(intf, NULL);
e7224094 ON	332
	333	usb_kill_urb(wacom->irq);
	334	input_unregister_device(wacom->dev);
	335	usb_free_urb(wacom->irq);
	336	usb_buffer_free(interface_to_usbdev(intf), 10, wacom->wacom_wac->data, wacom->data_dma);
	337	kfree(wacom->wacom_wac);
	338	kfree(wacom);
	339	}
	340
	341	static int wacom_suspend(struct usb_interface *intf, pm_message_t message)
	342	{
	343	struct wacom *wacom = usb_get_intfdata(intf);
	344
	345	mutex_lock(&wacom->lock);
	346	usb_kill_urb(wacom->irq);
	347	mutex_unlock(&wacom->lock);
	348
	349	return 0;
	350	}
	351
	352	static int wacom_resume(struct usb_interface *intf)
	353	{
	354	struct wacom *wacom = usb_get_intfdata(intf);
	355	int rv;
	356
	357	mutex_lock(&wacom->lock);
	358	if (wacom->open)
	359	rv = usb_submit_urb(wacom->irq, GFP_NOIO);
	360	else
	361	rv = 0;
	362	mutex_unlock(&wacom->lock);
	363
	364	return rv;
	365	}
	366
	367	static int wacom_reset_resume(struct usb_interface *intf)
	368	{
	369	return wacom_resume(intf);
3bea733a PC	370	}
	371
	372	static struct usb_driver wacom_driver = {
	373	.name = "wacom",
	374	.probe = wacom_probe,
	375	.disconnect = wacom_disconnect,
e7224094 ON	376	.suspend = wacom_suspend,
	377	.resume = wacom_resume,
	378	.reset_resume = wacom_reset_resume,
	379	.supports_autosuspend = 1,
3bea733a PC	380	};
	381
	382	static int __init wacom_init(void)
	383	{
	384	int result;
	385	wacom_driver.id_table = get_device_table();
	386	result = usb_register(&wacom_driver);
	387	if (result == 0)
	388	info(DRIVER_VERSION ":" DRIVER_DESC);
	389	return result;
	390	}
	391
	392	static void __exit wacom_exit(void)
	393	{
	394	usb_deregister(&wacom_driver);
	395	}
	396
	397	module_init(wacom_init);
	398	module_exit(wacom_exit);