1/*
2 * Wire Adapter Host Controller Driver
3 * Common items to HWA and DWA based HCDs
4 *
5 * Copyright (C) 2005-2006 Intel Corporation
6 * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License version
10 * 2 as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20 * 02110-1301, USA.
21 *
22 *
23 * FIXME: docs
24 */
25#include <linux/slab.h>
26#include <linux/module.h>
27#include "wusbhc.h"
28#include "wa-hc.h"
29
30/**
31 * Assumes
32 *
33 * wa->usb_dev and wa->usb_iface initialized and refcounted,
34 * wa->wa_descr initialized.
35 */
36int wa_create(struct wahc *wa, struct usb_interface *iface,
37	kernel_ulong_t quirks)
38{
39	int result;
40	struct device *dev = &iface->dev;
41
42	result = wa_rpipes_create(wa);
43	if (result < 0)
44		goto error_rpipes_create;
45	wa->quirks = quirks;
46	/* Fill up Data Transfer EP pointers */
47	wa->dti_epd = &iface->cur_altsetting->endpoint[1].desc;
48	wa->dto_epd = &iface->cur_altsetting->endpoint[2].desc;
49	wa->dti_buf_size = usb_endpoint_maxp(wa->dti_epd);
50	wa->dti_buf = kmalloc(wa->dti_buf_size, GFP_KERNEL);
51	if (wa->dti_buf == NULL) {
52		result = -ENOMEM;
53		goto error_dti_buf_alloc;
54	}
55	result = wa_nep_create(wa, iface);
56	if (result < 0) {
57		dev_err(dev, "WA-CDS: can't initialize notif endpoint: %d\n",
58			result);
59		goto error_nep_create;
60	}
61	return 0;
62
63error_nep_create:
64	kfree(wa->dti_buf);
65error_dti_buf_alloc:
66	wa_rpipes_destroy(wa);
67error_rpipes_create:
68	return result;
69}
70EXPORT_SYMBOL_GPL(wa_create);
71
72
73void __wa_destroy(struct wahc *wa)
74{
75	if (wa->dti_urb) {
76		usb_kill_urb(wa->dti_urb);
77		usb_put_urb(wa->dti_urb);
78	}
79	kfree(wa->dti_buf);
80	wa_nep_destroy(wa);
81	wa_rpipes_destroy(wa);
82}
83EXPORT_SYMBOL_GPL(__wa_destroy);
84
85/**
86 * wa_reset_all - reset the WA device
87 * @wa: the WA to be reset
88 *
89 * For HWAs the radio controller and all other PALs are also reset.
90 */
91void wa_reset_all(struct wahc *wa)
92{
93	/* FIXME: assuming HWA. */
94	wusbhc_reset_all(wa->wusb);
95}
96
97MODULE_AUTHOR("Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>");
98MODULE_DESCRIPTION("Wireless USB Wire Adapter core");
99MODULE_LICENSE("GPL");
100