[net-next-2.6.git] / drivers / input / joystick / iforce / iforce-usb.c

 /*
 * $Id: iforce-usb.c,v 1.16 2002/06/09 11:08:04 jdeneux Exp $
 *
 *  Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz>
 *  Copyright (c) 2001-2002 Johann Deneux <deneux@ifrance.com>
 *
 *  USB/RS232 I-Force joysticks and wheels.
 */

/*
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * Should you need to contact me, the author, you can do so either by
 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
 */

#include "iforce.h"

void iforce_usb_xmit(struct iforce *iforce)
{
	int n, c;
	unsigned long flags;

	spin_lock_irqsave(&iforce->xmit_lock, flags);

	if (iforce->xmit.head == iforce->xmit.tail) {
		clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags);
		spin_unlock_irqrestore(&iforce->xmit_lock, flags);
		return;
	}

	((char *)iforce->out->transfer_buffer)[0] = iforce->xmit.buf[iforce->xmit.tail];
	XMIT_INC(iforce->xmit.tail, 1);
	n = iforce->xmit.buf[iforce->xmit.tail];
	XMIT_INC(iforce->xmit.tail, 1);

	iforce->out->transfer_buffer_length = n + 1;
	iforce->out->dev = iforce->usbdev;

	/* Copy rest of data then */
	c = CIRC_CNT_TO_END(iforce->xmit.head, iforce->xmit.tail, XMIT_SIZE);
	if (n < c) c=n;

	memcpy(iforce->out->transfer_buffer + 1,
	       &iforce->xmit.buf[iforce->xmit.tail],
	       c);
	if (n != c) {
		memcpy(iforce->out->transfer_buffer + 1 + c,
		       &iforce->xmit.buf[0],
		       n-c);
	}
	XMIT_INC(iforce->xmit.tail, n);

	if ( (n=usb_submit_urb(iforce->out, GFP_ATOMIC)) ) {
		printk(KERN_WARNING "iforce-usb.c: iforce_usb_xmit: usb_submit_urb failed %d\n", n);
	}

	/* The IFORCE_XMIT_RUNNING bit is not cleared here. That's intended.
	 * As long as the urb completion handler is not called, the transmiting
	 * is considered to be running */
	spin_unlock_irqrestore(&iforce->xmit_lock, flags);
}

static void iforce_usb_irq(struct urb *urb)
{
	struct iforce *iforce = urb->context;
	int status;

	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 - urb has status of: %d", __FUNCTION__, urb->status);
		goto exit;
	}

	iforce_process_packet(iforce,
		(iforce->data[0] << 8) | (urb->actual_length - 1), iforce->data + 1);

exit:
	status = usb_submit_urb (urb, GFP_ATOMIC);
	if (status)
		err ("%s - usb_submit_urb failed with result %d",
		     __FUNCTION__, status);
}

static void iforce_usb_out(struct urb *urb)
{
	struct iforce *iforce = urb->context;

	if (urb->status) {
		printk(KERN_DEBUG "iforce_usb_out: urb->status %d, exiting", urb->status);
		return;
	}

	iforce_usb_xmit(iforce);

	wake_up(&iforce->wait);
}

static void iforce_usb_ctrl(struct urb *urb)
{
	struct iforce *iforce = urb->context;
	if (urb->status) return;
	iforce->ecmd = 0xff00 | urb->actual_length;
	wake_up(&iforce->wait);
}

static int iforce_usb_probe(struct usb_interface *intf,
				const struct usb_device_id *id)
{
	struct usb_device *dev = interface_to_usbdev(intf);
	struct usb_host_interface *interface;
	struct usb_endpoint_descriptor *epirq, *epout;
	struct iforce *iforce;
	int err = -ENOMEM;

	interface = intf->cur_altsetting;

	epirq = &interface->endpoint[0].desc;
	epout = &interface->endpoint[1].desc;

	if (!(iforce = kzalloc(sizeof(struct iforce) + 32, GFP_KERNEL)))
		goto fail;

	if (!(iforce->irq = usb_alloc_urb(0, GFP_KERNEL)))
		goto fail;

	if (!(iforce->out = usb_alloc_urb(0, GFP_KERNEL)))
		goto fail;

	if (!(iforce->ctrl = usb_alloc_urb(0, GFP_KERNEL)))
		goto fail;

	iforce->bus = IFORCE_USB;
	iforce->usbdev = dev;

	iforce->cr.bRequestType = USB_TYPE_VENDOR | USB_DIR_IN | USB_RECIP_INTERFACE;
	iforce->cr.wIndex = 0;
	iforce->cr.wLength = 16;

	usb_fill_int_urb(iforce->irq, dev, usb_rcvintpipe(dev, epirq->bEndpointAddress),
			iforce->data, 16, iforce_usb_irq, iforce, epirq->bInterval);

	usb_fill_bulk_urb(iforce->out, dev, usb_sndbulkpipe(dev, epout->bEndpointAddress),
			iforce + 1, 32, iforce_usb_out, iforce);

	usb_fill_control_urb(iforce->ctrl, dev, usb_rcvctrlpipe(dev, 0),
			(void*) &iforce->cr, iforce->edata, 16, iforce_usb_ctrl, iforce);

	err = iforce_init_device(iforce);
	if (err)
		goto fail;

	usb_set_intfdata(intf, iforce);
	return 0;

fail:
	if (iforce) {
		if (iforce->irq) usb_free_urb(iforce->irq);
		if (iforce->out) usb_free_urb(iforce->out);
		if (iforce->ctrl) usb_free_urb(iforce->ctrl);
		kfree(iforce);
	}

	return err;
}

/* Called by iforce_delete() */
void iforce_usb_delete(struct iforce* iforce)
{
	usb_unlink_urb(iforce->irq);
/* Is it ok to unlink those ? */
	usb_unlink_urb(iforce->out);
	usb_unlink_urb(iforce->ctrl);

	usb_free_urb(iforce->irq);
	usb_free_urb(iforce->out);
	usb_free_urb(iforce->ctrl);
}

static void iforce_usb_disconnect(struct usb_interface *intf)
{
	struct iforce *iforce = usb_get_intfdata(intf);
	int open = 0; /* FIXME! iforce->dev.handle->open; */

	usb_set_intfdata(intf, NULL);
	if (iforce) {
		iforce->usbdev = NULL;
		input_unregister_device(iforce->dev);

		if (!open) {
			iforce_delete_device(iforce);
			kfree(iforce);
		}
	}
}

static struct usb_device_id iforce_usb_ids [] = {
	{ USB_DEVICE(0x044f, 0xa01c) },		/* Thrustmaster Motor Sport GT */
	{ USB_DEVICE(0x046d, 0xc281) },		/* Logitech WingMan Force */
	{ USB_DEVICE(0x046d, 0xc291) },		/* Logitech WingMan Formula Force */
	{ USB_DEVICE(0x05ef, 0x020a) },		/* AVB Top Shot Pegasus */
	{ USB_DEVICE(0x05ef, 0x8884) },		/* AVB Mag Turbo Force */
	{ USB_DEVICE(0x05ef, 0x8888) },		/* AVB Top Shot FFB Racing Wheel */
	{ USB_DEVICE(0x061c, 0xc0a4) },         /* ACT LABS Force RS */
	{ USB_DEVICE(0x06f8, 0x0001) },		/* Guillemot Race Leader Force Feedback */
	{ USB_DEVICE(0x06f8, 0x0004) },		/* Guillemot Force Feedback Racing Wheel */
	{ USB_DEVICE(0x06f8, 0xa302) },		/* Guillemot Jet Leader 3D */
	{ }					/* Terminating entry */
};

MODULE_DEVICE_TABLE (usb, iforce_usb_ids);

struct usb_driver iforce_usb_driver = {
	.name =		"iforce",
	.probe =	iforce_usb_probe,
	.disconnect =	iforce_usb_disconnect,
	.id_table =	iforce_usb_ids,
};
Commit	Line	Data
1da177e4 LT	1	/*
	2	* $Id: iforce-usb.c,v 1.16 2002/06/09 11:08:04 jdeneux Exp $
	3	*
	4	* Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz>
	5	* Copyright (c) 2001-2002 Johann Deneux <deneux@ifrance.com>
	6	*
	7	* USB/RS232 I-Force joysticks and wheels.
	8	*/
	9
	10	/*
	11	* This program is free software; you can redistribute it and/or modify
	12	* it under the terms of the GNU General Public License as published by
	13	* the Free Software Foundation; either version 2 of the License, or
	14	* (at your option) any later version.
	15	*
	16	* This program is distributed in the hope that it will be useful,
	17	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	19	* GNU General Public License for more details.
	20	*
	21	* You should have received a copy of the GNU General Public License
	22	* along with this program; if not, write to the Free Software
	23	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	24	*
	25	* Should you need to contact me, the author, you can do so either by
	26	* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
	27	* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
	28	*/
	29
	30	#include "iforce.h"
	31
	32	void iforce_usb_xmit(struct iforce *iforce)
	33	{
	34	int n, c;
	35	unsigned long flags;
	36
	37	spin_lock_irqsave(&iforce->xmit_lock, flags);
	38
	39	if (iforce->xmit.head == iforce->xmit.tail) {
	40	clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags);
	41	spin_unlock_irqrestore(&iforce->xmit_lock, flags);
	42	return;
	43	}
	44
	45	((char *)iforce->out->transfer_buffer)[0] = iforce->xmit.buf[iforce->xmit.tail];
	46	XMIT_INC(iforce->xmit.tail, 1);
	47	n = iforce->xmit.buf[iforce->xmit.tail];
	48	XMIT_INC(iforce->xmit.tail, 1);
	49
	50	iforce->out->transfer_buffer_length = n + 1;
	51	iforce->out->dev = iforce->usbdev;
	52
	53	/* Copy rest of data then */
	54	c = CIRC_CNT_TO_END(iforce->xmit.head, iforce->xmit.tail, XMIT_SIZE);
	55	if (n < c) c=n;
	56
	57	memcpy(iforce->out->transfer_buffer + 1,
	58	&iforce->xmit.buf[iforce->xmit.tail],
	59	c);
	60	if (n != c) {
	61	memcpy(iforce->out->transfer_buffer + 1 + c,
	62	&iforce->xmit.buf[0],
	63	n-c);
	64	}
65	XMIT_INC(iforce->xmit.tail, n);
66
67	if ( (n=usb_submit_urb(iforce->out, GFP_ATOMIC)) ) {
68	printk(KERN_WARNING "iforce-usb.c: iforce_usb_xmit: usb_submit_urb failed %d\n", n);
69	}
70
71	/* The IFORCE_XMIT_RUNNING bit is not cleared here. That's intended.
72	* As long as the urb completion handler is not called, the transmiting
73	* is considered to be running */
74	spin_unlock_irqrestore(&iforce->xmit_lock, flags);
75	}
76
7d12e780	77	static void iforce_usb_irq(struct urb *urb)
1da177e4 LT	78	{
	79	struct iforce *iforce = urb->context;
	80	int status;
	81
	82	switch (urb->status) {
	83	case 0:
	84	/* success */
	85	break;
	86	case -ECONNRESET:
	87	case -ENOENT:
	88	case -ESHUTDOWN:
	89	/* this urb is terminated, clean up */
	90	dbg("%s - urb shutting down with status: %d",
	91	__FUNCTION__, urb->status);
	92	return;
	93	default:
	94	dbg("%s - urb has status of: %d", __FUNCTION__, urb->status);
	95	goto exit;
	96	}
	97
	98	iforce_process_packet(iforce,
7d12e780	99	(iforce->data[0] << 8) \| (urb->actual_length - 1), iforce->data + 1);
1da177e4 LT	100
	101	exit:
	102	status = usb_submit_urb (urb, GFP_ATOMIC);
	103	if (status)
	104	err ("%s - usb_submit_urb failed with result %d",
	105	__FUNCTION__, status);
	106	}
	107
7d12e780	108	static void iforce_usb_out(struct urb *urb)
1da177e4 LT	109	{
	110	struct iforce *iforce = urb->context;
	111
	112	if (urb->status) {
	113	printk(KERN_DEBUG "iforce_usb_out: urb->status %d, exiting", urb->status);
	114	return;
	115	}
	116
	117	iforce_usb_xmit(iforce);
	118
	119	wake_up(&iforce->wait);
	120	}
	121
7d12e780	122	static void iforce_usb_ctrl(struct urb *urb)
1da177e4 LT	123	{
	124	struct iforce *iforce = urb->context;
	125	if (urb->status) return;
	126	iforce->ecmd = 0xff00 \| urb->actual_length;
	127	wake_up(&iforce->wait);
	128	}
	129
	130	static int iforce_usb_probe(struct usb_interface *intf,
	131	const struct usb_device_id *id)
	132	{
	133	struct usb_device *dev = interface_to_usbdev(intf);
	134	struct usb_host_interface *interface;
	135	struct usb_endpoint_descriptor epirq, epout;
	136	struct iforce *iforce;
17dd3f0f	137	int err = -ENOMEM;
1da177e4 LT	138
	139	interface = intf->cur_altsetting;
	140
	141	epirq = &interface->endpoint[0].desc;
	142	epout = &interface->endpoint[1].desc;
	143
17dd3f0f	144	if (!(iforce = kzalloc(sizeof(struct iforce) + 32, GFP_KERNEL)))
1da177e4 LT	145	goto fail;
1da177e4 LT	146
17dd3f0f	147	if (!(iforce->irq = usb_alloc_urb(0, GFP_KERNEL)))
1da177e4	148	goto fail;
1da177e4	149
17dd3f0f	150	if (!(iforce->out = usb_alloc_urb(0, GFP_KERNEL)))
1da177e4	151	goto fail;
1da177e4	152
17dd3f0f	153	if (!(iforce->ctrl = usb_alloc_urb(0, GFP_KERNEL)))
1da177e4	154	goto fail;
1da177e4 LT	155
	156	iforce->bus = IFORCE_USB;
	157	iforce->usbdev = dev;
	158
	159	iforce->cr.bRequestType = USB_TYPE_VENDOR \| USB_DIR_IN \| USB_RECIP_INTERFACE;
	160	iforce->cr.wIndex = 0;
	161	iforce->cr.wLength = 16;
	162
	163	usb_fill_int_urb(iforce->irq, dev, usb_rcvintpipe(dev, epirq->bEndpointAddress),
	164	iforce->data, 16, iforce_usb_irq, iforce, epirq->bInterval);
	165
	166	usb_fill_bulk_urb(iforce->out, dev, usb_sndbulkpipe(dev, epout->bEndpointAddress),
	167	iforce + 1, 32, iforce_usb_out, iforce);
	168
	169	usb_fill_control_urb(iforce->ctrl, dev, usb_rcvctrlpipe(dev, 0),
	170	(void*) &iforce->cr, iforce->edata, 16, iforce_usb_ctrl, iforce);
	171
17dd3f0f DT	172	err = iforce_init_device(iforce);
	173	if (err)
	174	goto fail;
1da177e4 LT	175
	176	usb_set_intfdata(intf, iforce);
	177	return 0;
	178
	179	fail:
	180	if (iforce) {
	181	if (iforce->irq) usb_free_urb(iforce->irq);
	182	if (iforce->out) usb_free_urb(iforce->out);
	183	if (iforce->ctrl) usb_free_urb(iforce->ctrl);
	184	kfree(iforce);
	185	}
	186
17dd3f0f	187	return err;
1da177e4 LT	188	}
	189
	190	/* Called by iforce_delete() */
	191	void iforce_usb_delete(struct iforce* iforce)
	192	{
	193	usb_unlink_urb(iforce->irq);
	194	/* Is it ok to unlink those ? */
	195	usb_unlink_urb(iforce->out);
	196	usb_unlink_urb(iforce->ctrl);
	197
	198	usb_free_urb(iforce->irq);
	199	usb_free_urb(iforce->out);
	200	usb_free_urb(iforce->ctrl);
	201	}
	202
	203	static void iforce_usb_disconnect(struct usb_interface *intf)
	204	{
	205	struct iforce *iforce = usb_get_intfdata(intf);
	206	int open = 0; /* FIXME! iforce->dev.handle->open; */
	207
	208	usb_set_intfdata(intf, NULL);
	209	if (iforce) {
	210	iforce->usbdev = NULL;
17dd3f0f	211	input_unregister_device(iforce->dev);
1da177e4 LT	212
	213	if (!open) {
	214	iforce_delete_device(iforce);
	215	kfree(iforce);
	216	}
	217	}
	218	}
	219
	220	static struct usb_device_id iforce_usb_ids [] = {
	221	{ USB_DEVICE(0x044f, 0xa01c) }, /* Thrustmaster Motor Sport GT */
	222	{ USB_DEVICE(0x046d, 0xc281) }, /* Logitech WingMan Force */
	223	{ USB_DEVICE(0x046d, 0xc291) }, /* Logitech WingMan Formula Force */
	224	{ USB_DEVICE(0x05ef, 0x020a) }, /* AVB Top Shot Pegasus */
	225	{ USB_DEVICE(0x05ef, 0x8884) }, /* AVB Mag Turbo Force */
	226	{ USB_DEVICE(0x05ef, 0x8888) }, /* AVB Top Shot FFB Racing Wheel */
	227	{ USB_DEVICE(0x061c, 0xc0a4) }, /* ACT LABS Force RS */
	228	{ USB_DEVICE(0x06f8, 0x0001) }, /* Guillemot Race Leader Force Feedback */
	229	{ USB_DEVICE(0x06f8, 0x0004) }, /* Guillemot Force Feedback Racing Wheel */
18098a6c	230	{ USB_DEVICE(0x06f8, 0xa302) }, /* Guillemot Jet Leader 3D */
1da177e4 LT	231	{ } /* Terminating entry */
	232	};
	233
	234	MODULE_DEVICE_TABLE (usb, iforce_usb_ids);
	235
	236	struct usb_driver iforce_usb_driver = {
1da177e4 LT	237	.name = "iforce",
	238	.probe = iforce_usb_probe,
	239	.disconnect = iforce_usb_disconnect,
	240	.id_table = iforce_usb_ids,
	241	};