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usbdev/adb: add adb usbclass_unbind function

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Signed-off-by: zhangyuan21 <zhangyuan21@xiaomi.com>
This commit is contained in:
zhangyuan21 2023-02-02 14:34:31 +08:00 committed by archer
parent 4d341ed152
commit 32513cedf0
1 changed files with 108 additions and 1 deletions
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109
drivers/usbdev/adb.c
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@ -333,6 +333,28 @@ static const struct adb_cfgdesc_s g_adb_cfgdesc =
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: usbclass_freereq
*
* Description:
* Free a request instance along with its buffer
*
****************************************************************************/
static void usbclass_freereq(FAR struct usbdev_ep_s *ep,
FAR struct usbdev_req_s *req)
{
if (ep != NULL && req != NULL)
{
if (req->buf != NULL)
{
EP_FREEBUFFER(ep, req->buf);
}
EP_FREEREQ(ep, req);
}
}
/****************************************************************************
* Name: usbclass_allocreq
*
@ -1103,9 +1125,94 @@ errout:
static void usbclass_unbind(FAR struct usbdevclass_driver_s *driver,
FAR struct usbdev_s *dev)
{
FAR struct usbdev_adb_s *priv;
int i;
usbtrace(TRACE_CLASSUNBIND, 0);
#warning Missing logic
#ifdef CONFIG_DEBUG_FEATURES
if (!driver || !dev || !dev->ep0)
{
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_INVALIDARG), 0);
return;
}
#endif
/* Extract reference to private data */
priv = &((FAR struct adb_driver_s *)driver)->dev;
#ifdef CONFIG_DEBUG_FEATURES
if (!priv)
{
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_EP0NOTBOUND), 0);
return;
}
#endif
/* Make sure that we are not already unbound */
if (priv != NULL)
{
/* Make sure that the endpoints have been unconfigured. If
* we were terminated gracefully, then the configuration should
* already have been reset. If not, then calling usbclass_resetconfig
* should cause the endpoints to immediately terminate all
* transfers and return the requests to us (with result == -ESHUTDOWN)
*/
usbclass_resetconfig(priv);
/* Free the bulk IN endpoint */
if (priv->epbulkin)
{
DEV_FREEEP(dev, priv->epbulkin);
priv->epbulkin = NULL;
}
/* Free the bulk OUT endpoint */
if (priv->epbulkout)
{
DEV_FREEEP(dev, priv->epbulkout);
priv->epbulkout = NULL;
}
/* Free the pre-allocated control request */
if (priv->ctrlreq != NULL)
{
usbclass_freereq(dev->ep0, priv->ctrlreq);
priv->ctrlreq = NULL;
}
/* Free write requests that are not in use (which should be all
* of them
*/
for (i = 0; i < CONFIG_USBADB_NRDREQS; i++)
{
FAR struct usbadb_rdreq_s *rdcontainer;
rdcontainer = &priv->rdreqs[i];
if (rdcontainer->req != NULL)
{
usbclass_freereq(priv->epbulkout, rdcontainer->req);
}
}
for (i = 0; i < CONFIG_USBADB_NWRREQS; i++)
{
FAR struct usbadb_wrreq_s *wrcontainer;
wrcontainer = &priv->wrreqs[i];
if (wrcontainer->req != NULL)
{
usbclass_freereq(priv->epbulkin, wrcontainer->req);
}
}
}
}
/****************************************************************************