From patchwork Sun Sep 22 22:42:06 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eugene Krasnikov X-Patchwork-Id: 2925271 Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 625839F476 for ; Sun, 22 Sep 2013 22:43:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8299320549 for ; Sun, 22 Sep 2013 22:42:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9FAEA2053D for ; Sun, 22 Sep 2013 22:42:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753082Ab3IVWmw (ORCPT ); Sun, 22 Sep 2013 18:42:52 -0400 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) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=432Ks++Fxrq8YoJMIBuwzIeR4zAAzoNyH8WlgZiDPIg=; b=fRjHACoMAke4FzTeZ+2ZBskWDNpZo6Jh+PPjrxp8NQZMA5cMNoZQnS54/w9uRVAwhb 8MlIAe/YAaEmedD2HDu3tBVphhRc4yWTwqL3foUgCAYOQIvB9J6D/dHvvh1C92fsSczW 9qX04bdA3UvOIiSkhRIT9CJaTn1oRsKQzAfMtyXGcA6EcObjDitZ6ny6M+X3+V7UP+0N wiF7lC079O/INgVO+Wsnr+zkeSzPMgCjP/tlwy7lXP5QgKuipiDTROezx7yAcsM9yomW GoE6WL1ze0oxRfpKupDmBvGSde+fLETpqa90wpQk1Wc57dD3F5asMouju2q7hvd8JJTz C9vQ== X-Received: by 10.112.42.68 with SMTP id m4mr17233664lbl.4.1379889766290; Sun, 22 Sep 2013 15:42:46 -0700 (PDT) Received: from localhost.localdomain (c83-254-141-159.bredband.comhem.se. [83.254.141.159]) by mx.google.com with ESMTPSA id f17sm10769783lbo.12.1969.12.31.16.00.00 (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sun, 22 Sep 2013 15:42:45 -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> X-Mailer: git-send-email 1.8.1.2 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 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-9.1 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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); +}