89 lines
2.0 KiB
C
89 lines
2.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* 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>
|
|
*
|
|
* 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,
|
|
kernel_ulong_t quirks)
|
|
{
|
|
int result;
|
|
struct device *dev = &iface->dev;
|
|
|
|
if (iface->cur_altsetting->desc.bNumEndpoints < 3)
|
|
return -ENODEV;
|
|
|
|
result = wa_rpipes_create(wa);
|
|
if (result < 0)
|
|
goto error_rpipes_create;
|
|
wa->quirks = quirks;
|
|
/* 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->dti_buf_size = usb_endpoint_maxp(wa->dti_epd);
|
|
wa->dti_buf = kmalloc(wa->dti_buf_size, GFP_KERNEL);
|
|
if (wa->dti_buf == NULL) {
|
|
result = -ENOMEM;
|
|
goto error_dti_buf_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->dti_buf);
|
|
error_dti_buf_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);
|
|
}
|
|
kfree(wa->dti_buf);
|
|
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");
|