Return-path: Received: from mail-la0-f47.google.com ([209.85.215.47]:59901 "EHLO mail-la0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753091Ab3IVWmr (ORCPT ); Sun, 22 Sep 2013 18:42:47 -0400 Received: by mail-la0-f47.google.com with SMTP id eo20so1904729lab.20 for ; Sun, 22 Sep 2013 15:42:46 -0700 (PDT) From: Eugene Krasnikov To: linux-wireless@vger.kernel.org Cc: wcn36xx@lists.infradead.org, Eugene Krasnikov Subject: [PATCH v4 09/16] wcn36xx: add pmc.c Date: Sun, 22 Sep 2013 23:42:06 +0100 Message-Id: <1379889733-6215-10-git-send-email-k.eugene.e@gmail.com> (sfid-20130923_004254_973884_C6C4185C) In-Reply-To: <1379889733-6215-1-git-send-email-k.eugene.e@gmail.com> References: <1379889733-6215-1-git-send-email-k.eugene.e@gmail.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: adding pmc.c Signed-off-by: Eugene Krasnikov --- drivers/net/wireless/ath/wcn36xx/pmc.c | 62 ++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 drivers/net/wireless/ath/wcn36xx/pmc.c diff --git a/drivers/net/wireless/ath/wcn36xx/pmc.c b/drivers/net/wireless/ath/wcn36xx/pmc.c new file mode 100644 index 0000000..28b515c --- /dev/null +++ b/drivers/net/wireless/ath/wcn36xx/pmc.c @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2013 Eugene Krasnikov + * + * 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. + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include "wcn36xx.h" + +int wcn36xx_pmc_enter_bmps_state(struct wcn36xx *wcn, + struct ieee80211_vif *vif) +{ + int ret = 0; + struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv; + /* TODO: Make sure the TX chain clean */ + ret = wcn36xx_smd_enter_bmps(wcn, vif); + if (!ret) { + wcn36xx_dbg(WCN36XX_DBG_PMC, "Entered BMPS\n"); + vif_priv->pw_state = WCN36XX_BMPS; + } else { + /* + * One of the reasons why HW will not enter BMPS is because + * driver is trying to enter bmps before first beacon was + * received just after auth complete + */ + wcn36xx_err("Can not enter BMPS!\n"); + } + return ret; +} + +int wcn36xx_pmc_exit_bmps_state(struct wcn36xx *wcn, + struct ieee80211_vif *vif) +{ + struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv; + + if (WCN36XX_BMPS != vif_priv->pw_state) { + wcn36xx_err("Not in BMPS mode, no need to exit from BMPS mode!\n"); + return -EINVAL; + } + wcn36xx_smd_exit_bmps(wcn, vif); + vif_priv->pw_state = WCN36XX_FULL_POWER; + return 0; +} + +int wcn36xx_enable_keep_alive_null_packet(struct wcn36xx *wcn, + struct ieee80211_vif *vif) +{ + wcn36xx_dbg(WCN36XX_DBG_PMC, "%s\n", __func__); + return wcn36xx_smd_keep_alive_req(wcn, vif, + WCN36XX_HAL_KEEP_ALIVE_NULL_PKT); +} -- 1.8.1.2