projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| 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> |
| 6eb0de82 | 26 | #include <linux/module.h> |
| df365423 IPG |
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 | */ | |
| 36 | int wa_create(struct wahc *wa, struct usb_interface *iface) | |
| 37 | { | |
| 38 | int result; | |
| 39 | struct device *dev = &iface->dev; | |
| 40 | ||
| 41 | result = wa_rpipes_create(wa); | |
| 42 | if (result < 0) | |
| 43 | goto error_rpipes_create; | |
| 44 | /* Fill up Data Transfer EP pointers */ | |
| 45 | wa->dti_epd = &iface->cur_altsetting->endpoint[1].desc; | |
| 46 | wa->dto_epd = &iface->cur_altsetting->endpoint[2].desc; | |
| 29cc8897 | 47 | wa->xfer_result_size = usb_endpoint_maxp(wa->dti_epd); |
| df365423 | 48 | wa->xfer_result = kmalloc(wa->xfer_result_size, GFP_KERNEL); |
| fd4d72cb JL |
49 | if (wa->xfer_result == NULL) { |
| 50 | result = -ENOMEM; | |
| df365423 | 51 | goto error_xfer_result_alloc; |
| fd4d72cb | 52 | } |
| df365423 IPG |
53 | result = wa_nep_create(wa, iface); |
| 54 | if (result < 0) { | |
| 55 | dev_err(dev, "WA-CDS: can't initialize notif endpoint: %d\n", | |
| 56 | result); | |
| 57 | goto error_nep_create; | |
| 58 | } | |
| 59 | return 0; | |
| 60 | ||
| 61 | error_nep_create: | |
| 62 | kfree(wa->xfer_result); | |
| 63 | error_xfer_result_alloc: | |
| 64 | wa_rpipes_destroy(wa); | |
| 65 | error_rpipes_create: | |
| 66 | return result; | |
| 67 | } | |
| 68 | EXPORT_SYMBOL_GPL(wa_create); | |
| 69 | ||
| 70 | ||
| 71 | void __wa_destroy(struct wahc *wa) | |
| 72 | { | |
| 73 | if (wa->dti_urb) { | |
| 74 | usb_kill_urb(wa->dti_urb); | |
| 75 | usb_put_urb(wa->dti_urb); | |
| 76 | usb_kill_urb(wa->buf_in_urb); | |
| 77 | usb_put_urb(wa->buf_in_urb); | |
| 78 | } | |
| 79 | kfree(wa->xfer_result); | |
| 80 | wa_nep_destroy(wa); | |
| 81 | wa_rpipes_destroy(wa); | |
| 82 | } | |
| 83 | EXPORT_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 | */ | |
| 91 | void wa_reset_all(struct wahc *wa) | |
| 92 | { | |
| 93 | /* FIXME: assuming HWA. */ | |
| 94 | wusbhc_reset_all(wa->wusb); | |
| 95 | } | |
| 96 | ||
| 97 | MODULE_AUTHOR("Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>"); | |
| 98 | MODULE_DESCRIPTION("Wireless USB Wire Adapter core"); | |
| 99 | MODULE_LICENSE("GPL"); |