From patchwork Wed Aug 7 10:40:01 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Chuang X-Patchwork-Id: 11081851 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8462F14E5 for ; Wed, 7 Aug 2019 10:40:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 72FB228A00 for ; Wed, 7 Aug 2019 10:40:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6762428A04; Wed, 7 Aug 2019 10:40:33 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BF5F228A03 for ; Wed, 7 Aug 2019 10:40:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727637AbfHGKkZ (ORCPT ); Wed, 7 Aug 2019 06:40:25 -0400 Received: from rtits2.realtek.com ([211.75.126.72]:56213 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726893AbfHGKkZ (ORCPT ); Wed, 7 Aug 2019 06:40:25 -0400 Authenticated-By: X-SpamFilter-By: BOX Solutions SpamTrap 5.62 with qID x77AeFI0010049, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (RTITCASV01.realtek.com.tw[172.21.6.18]) by rtits2.realtek.com.tw (8.15.2/2.57/5.78) with ESMTPS id x77AeFI0010049 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Wed, 7 Aug 2019 18:40:15 +0800 Received: from localhost.localdomain (172.21.68.126) by RTITCASV01.realtek.com.tw (172.21.6.18) with Microsoft SMTP Server id 14.3.439.0; Wed, 7 Aug 2019 18:40:15 +0800 From: To: CC: , , Subject: [PATCH 4/8] rtw88: 8822c: add FW IQK support Date: Wed, 7 Aug 2019 18:40:01 +0800 Message-ID: <1565174405-2689-5-git-send-email-yhchuang@realtek.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1565174405-2689-1-git-send-email-yhchuang@realtek.com> References: <1565174405-2689-1-git-send-email-yhchuang@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.21.68.126] Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Yan-Hsuan Chuang Add support for doing IQK in firmware Signed-off-by: Yan-Hsuan Chuang --- drivers/net/wireless/realtek/rtw88/rtw8822c.c | 16 ++++++++++++++++ drivers/net/wireless/realtek/rtw88/rtw8822c.h | 2 ++ 2 files changed, 18 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c index e11bbc3..176ca5f 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c @@ -1876,6 +1876,22 @@ static void rtw8822c_false_alarm_statistics(struct rtw_dev *rtwdev) static void rtw8822c_do_iqk(struct rtw_dev *rtwdev) { + struct rtw_iqk_para para = {0}; + u8 iqk_chk; + int counter; + + para.clear = 1; + rtw_fw_do_iqk(rtwdev, ¶); + + for (counter = 0; counter < 300; counter++) { + iqk_chk = rtw_read8(rtwdev, REG_RPT_CIP); + if (iqk_chk == 0xaa) + break; + msleep(20); + } + rtw_write8(rtwdev, REG_IQKSTAT, 0x0); + + rtw_dbg(rtwdev, RTW_DBG_RFK, "iqk counter=%d\n", counter); } /* for coex */ diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.h b/drivers/net/wireless/realtek/rtw88/rtw8822c.h index 5ee1de4..14a8894 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.h +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.h @@ -176,6 +176,7 @@ struct rtw8822c_efuse { #define REG_TXF7 0x1ab0 #define REG_CCK_SOURCE 0x1abc #define BIT_NBI_EN BIT(30) +#define REG_IQKSTAT 0x1b10 #define REG_TXANT 0x1c28 #define REG_ENCCK 0x1c3c #define BIT_CCK_BLK_EN BIT(1) @@ -197,6 +198,7 @@ struct rtw8822c_efuse { #define REG_OFDM_FACNT3 0x2d0c #define REG_OFDM_FACNT4 0x2d10 #define REG_OFDM_FACNT5 0x2d20 +#define REG_RPT_CIP 0x2d9c #define REG_OFDM_TXCNT 0x2de0 #define REG_ORITXCODE2 0x4100 #define REG_3WIRE2 0x410c