Commit | Line | Data |
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df365423 IPG |
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 | */ | |
5a0e3ad6 | 25 | #include <linux/slab.h> |
df365423 IPG |
26 | #include "wusbhc.h" |
27 | #include "wa-hc.h" | |
28 | ||
29 | /** | |
30 | * Assumes | |
31 | * | |
32 | * wa->usb_dev and wa->usb_iface initialized and refcounted, | |
33 | * wa->wa_descr initialized. | |
34 | */ | |
35 | int wa_create(struct wahc *wa, struct usb_interface *iface) | |
36 | { | |
37 | int result; | |
38 | struct device *dev = &iface->dev; | |
39 | ||
40 | result = wa_rpipes_create(wa); | |
41 | if (result < 0) | |
42 | goto error_rpipes_create; | |
43 | /* Fill up Data Transfer EP pointers */ | |
44 | wa->dti_epd = &iface->cur_altsetting->endpoint[1].desc; | |
45 | wa->dto_epd = &iface->cur_altsetting->endpoint[2].desc; | |
29cc8897 | 46 | wa->xfer_result_size = usb_endpoint_maxp(wa->dti_epd); |
df365423 IPG |
47 | wa->xfer_result = kmalloc(wa->xfer_result_size, GFP_KERNEL); |
48 | if (wa->xfer_result == NULL) | |
49 | goto error_xfer_result_alloc; | |
50 | result = wa_nep_create(wa, iface); | |
51 | if (result < 0) { | |
52 | dev_err(dev, "WA-CDS: can't initialize notif endpoint: %d\n", | |
53 | result); | |
54 | goto error_nep_create; | |
55 | } | |
56 | return 0; | |
57 | ||
58 | error_nep_create: | |
59 | kfree(wa->xfer_result); | |
60 | error_xfer_result_alloc: | |
61 | wa_rpipes_destroy(wa); | |
62 | error_rpipes_create: | |
63 | return result; | |
64 | } | |
65 | EXPORT_SYMBOL_GPL(wa_create); | |
66 | ||
67 | ||
68 | void __wa_destroy(struct wahc *wa) | |
69 | { | |
70 | if (wa->dti_urb) { | |
71 | usb_kill_urb(wa->dti_urb); | |
72 | usb_put_urb(wa->dti_urb); | |
73 | usb_kill_urb(wa->buf_in_urb); | |
74 | usb_put_urb(wa->buf_in_urb); | |
75 | } | |
76 | kfree(wa->xfer_result); | |
77 | wa_nep_destroy(wa); | |
78 | wa_rpipes_destroy(wa); | |
79 | } | |
80 | EXPORT_SYMBOL_GPL(__wa_destroy); | |
81 | ||
82 | /** | |
83 | * wa_reset_all - reset the WA device | |
84 | * @wa: the WA to be reset | |
85 | * | |
86 | * For HWAs the radio controller and all other PALs are also reset. | |
87 | */ | |
88 | void wa_reset_all(struct wahc *wa) | |
89 | { | |
90 | /* FIXME: assuming HWA. */ | |
91 | wusbhc_reset_all(wa->wusb); | |
92 | } | |
93 | ||
94 | MODULE_AUTHOR("Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>"); | |
95 | MODULE_DESCRIPTION("Wireless USB Wire Adapter core"); | |
96 | MODULE_LICENSE("GPL"); |