99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
/*
|
|
* Copyright (c) 2014 Qualcomm Atheros, Inc.
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include "wil6210.h"
|
|
|
|
int wil_can_suspend(struct wil6210_priv *wil, bool is_runtime)
|
|
{
|
|
int rc = 0;
|
|
struct wireless_dev *wdev = wil->wdev;
|
|
|
|
wil_dbg_pm(wil, "%s(%s)\n", __func__,
|
|
is_runtime ? "runtime" : "system");
|
|
|
|
switch (wdev->iftype) {
|
|
case NL80211_IFTYPE_MONITOR:
|
|
case NL80211_IFTYPE_STATION:
|
|
case NL80211_IFTYPE_P2P_CLIENT:
|
|
break;
|
|
/* AP-like interface - can't suspend */
|
|
default:
|
|
wil_dbg_pm(wil, "AP-like interface\n");
|
|
rc = -EBUSY;
|
|
break;
|
|
}
|
|
|
|
wil_dbg_pm(wil, "%s(%s) => %s (%d)\n", __func__,
|
|
is_runtime ? "runtime" : "system", rc ? "No" : "Yes", rc);
|
|
|
|
return rc;
|
|
}
|
|
|
|
int wil_suspend(struct wil6210_priv *wil, bool is_runtime)
|
|
{
|
|
int rc = 0;
|
|
struct net_device *ndev = wil_to_ndev(wil);
|
|
|
|
wil_dbg_pm(wil, "%s(%s)\n", __func__,
|
|
is_runtime ? "runtime" : "system");
|
|
|
|
/* if netif up, hardware is alive, shut it down */
|
|
if (ndev->flags & IFF_UP) {
|
|
rc = wil_down(wil);
|
|
if (rc) {
|
|
wil_err(wil, "wil_down : %d\n", rc);
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
if (wil->platform_ops.suspend)
|
|
rc = wil->platform_ops.suspend(wil->platform_handle);
|
|
|
|
out:
|
|
wil_dbg_pm(wil, "%s(%s) => %d\n", __func__,
|
|
is_runtime ? "runtime" : "system", rc);
|
|
return rc;
|
|
}
|
|
|
|
int wil_resume(struct wil6210_priv *wil, bool is_runtime)
|
|
{
|
|
int rc = 0;
|
|
struct net_device *ndev = wil_to_ndev(wil);
|
|
|
|
wil_dbg_pm(wil, "%s(%s)\n", __func__,
|
|
is_runtime ? "runtime" : "system");
|
|
|
|
if (wil->platform_ops.resume) {
|
|
rc = wil->platform_ops.resume(wil->platform_handle);
|
|
if (rc) {
|
|
wil_err(wil, "platform_ops.resume : %d\n", rc);
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
/* if netif up, bring hardware up
|
|
* During open(), IFF_UP set after actual device method
|
|
* invocation. This prevent recursive call to wil_up()
|
|
*/
|
|
if (ndev->flags & IFF_UP)
|
|
rc = wil_up(wil);
|
|
|
|
out:
|
|
wil_dbg_pm(wil, "%s(%s) => %d\n", __func__,
|
|
is_runtime ? "runtime" : "system", rc);
|
|
return rc;
|
|
}
|