1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*
* Wire Adapter Host Controller Driver
* Common items to HWA and DWA based HCDs
*
* Copyright (C) 2005-2006 Intel Corporation
* Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 as published by the Free Software Foundation.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
*
* FIXME: docs
*/
#include <linux/slab.h>
#include <linux/module.h>
#include "wusbhc.h"
#include "wa-hc.h"
/**
* Assumes
*
* wa->usb_dev and wa->usb_iface initialized and refcounted,
* wa->wa_descr initialized.
*/
int wa_create(struct wahc *wa, struct usb_interface *iface)
{
int result;
struct device *dev = &iface->dev;
result = wa_rpipes_create(wa);
if (result < 0)
goto error_rpipes_create;
/* Fill up Data Transfer EP pointers */
wa->dti_epd = &iface->cur_altsetting->endpoint[1].desc;
wa->dto_epd = &iface->cur_altsetting->endpoint[2].desc;
wa->xfer_result_size = usb_endpoint_maxp(wa->dti_epd);
wa->xfer_result = kmalloc(wa->xfer_result_size, GFP_KERNEL);
if (wa->xfer_result == NULL) {
result = -ENOMEM;
goto error_xfer_result_alloc;
}
result = wa_nep_create(wa, iface);
if (result < 0) {
dev_err(dev, "WA-CDS: can't initialize notif endpoint: %d\n",
result);
goto error_nep_create;
}
return 0;
error_nep_create:
kfree(wa->xfer_result);
error_xfer_result_alloc:
wa_rpipes_destroy(wa);
error_rpipes_create:
return result;
}
EXPORT_SYMBOL_GPL(wa_create);
void __wa_destroy(struct wahc *wa)
{
if (wa->dti_urb) {
usb_kill_urb(wa->dti_urb);
usb_put_urb(wa->dti_urb);
usb_kill_urb(wa->buf_in_urb);
usb_put_urb(wa->buf_in_urb);
}
kfree(wa->xfer_result);
wa_nep_destroy(wa);
wa_rpipes_destroy(wa);
}
EXPORT_SYMBOL_GPL(__wa_destroy);
/**
* wa_reset_all - reset the WA device
* @wa: the WA to be reset
*
* For HWAs the radio controller and all other PALs are also reset.
*/
void wa_reset_all(struct wahc *wa)
{
/* FIXME: assuming HWA. */
wusbhc_reset_all(wa->wusb);
}
MODULE_AUTHOR("Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>");
MODULE_DESCRIPTION("Wireless USB Wire Adapter core");
MODULE_LICENSE("GPL");
|