From patchwork Mon May 4 10:50:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Chuang X-Patchwork-Id: 215739 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C6DC9C47247 for ; Mon, 4 May 2020 10:50:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A75E520643 for ; Mon, 4 May 2020 10:50:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728125AbgEDKu2 (ORCPT ); Mon, 4 May 2020 06:50:28 -0400 Received: from rtits2.realtek.com ([211.75.126.72]:51273 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728298AbgEDKu1 (ORCPT ); Mon, 4 May 2020 06:50:27 -0400 Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.69 with qID 044AoEf05003119, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexmb06.realtek.com.tw[172.21.6.99]) by rtits2.realtek.com.tw (8.15.2/2.66/5.86) with ESMTPS id 044AoEf05003119 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Mon, 4 May 2020 18:50:14 +0800 Received: from RTEXMB04.realtek.com.tw (172.21.6.97) by RTEXMB06.realtek.com.tw (172.21.6.99) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1779.2; Mon, 4 May 2020 18:50:14 +0800 Received: from localhost.localdomain (172.21.68.128) by RTEXMB04.realtek.com.tw (172.21.6.97) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1779.2; Mon, 4 May 2020 18:50:14 +0800 From: To: CC: , , Subject: [PATCH v4 6/8] rtw88: 8723d: Add chip_ops::false_alarm_statistics Date: Mon, 4 May 2020 18:50:08 +0800 Message-ID: <20200504105010.10780-7-yhchuang@realtek.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200504105010.10780-1-yhchuang@realtek.com> References: <20200504105010.10780-1-yhchuang@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.21.68.128] X-ClientProxiedBy: RTEXMB02.realtek.com.tw (172.21.6.95) To RTEXMB04.realtek.com.tw (172.21.6.97) Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Ping-Ke Shih This ops is used to do statistics of false alarm periodically, and then fine tune RX initial gain to adaptive different circumstance. There are three steps, hold/get/reset counter, to retrieve false alarm counters that consist of CCK and OFDM. In addition to false alarm counters, it also collects CRC ok/error counters of CCK, OFDM and HT. Signed-off-by: Ping-Ke Shih Signed-off-by: Yan-Hsuan Chuang --- drivers/net/wireless/realtek/rtw88/rtw8723d.c | 65 +++++++++++++++++++ drivers/net/wireless/realtek/rtw88/rtw8723d.h | 41 ++++++++++++ 2 files changed, 106 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.c b/drivers/net/wireless/realtek/rtw88/rtw8723d.c index 6fe7596d6a11..2f98e58396b0 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8723d.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8723d.c @@ -539,6 +539,70 @@ static void rtw8723d_efuse_grant(struct rtw_dev *rtwdev, bool on) } } +static void rtw8723d_false_alarm_statistics(struct rtw_dev *rtwdev) +{ + struct rtw_dm_info *dm_info = &rtwdev->dm_info; + u32 cck_fa_cnt; + u32 ofdm_fa_cnt; + u32 crc32_cnt; + u32 val32; + + /* hold counter */ + rtw_write32_mask(rtwdev, REG_OFDM_FA_HOLDC_11N, BIT_MASK_OFDM_FA_KEEP, 1); + rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTD_11N, BIT_MASK_OFDM_FA_KEEP1, 1); + rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_CNT_KEEP, 1); + rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_FA_KEEP, 1); + + cck_fa_cnt = rtw_read32_mask(rtwdev, REG_CCK_FA_LSB_11N, MASKBYTE0); + cck_fa_cnt += rtw_read32_mask(rtwdev, REG_CCK_FA_MSB_11N, MASKBYTE3) << 8; + + val32 = rtw_read32(rtwdev, REG_OFDM_FA_TYPE1_11N); + ofdm_fa_cnt = u32_get_bits(val32, BIT_MASK_OFDM_FF_CNT); + ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_SF_CNT); + val32 = rtw_read32(rtwdev, REG_OFDM_FA_TYPE2_11N); + dm_info->ofdm_cca_cnt = u32_get_bits(val32, BIT_MASK_OFDM_CCA_CNT); + ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_PF_CNT); + val32 = rtw_read32(rtwdev, REG_OFDM_FA_TYPE3_11N); + ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_RI_CNT); + ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_CRC_CNT); + val32 = rtw_read32(rtwdev, REG_OFDM_FA_TYPE4_11N); + ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_MNS_CNT); + + dm_info->cck_fa_cnt = cck_fa_cnt; + dm_info->ofdm_fa_cnt = ofdm_fa_cnt; + dm_info->total_fa_cnt = cck_fa_cnt + ofdm_fa_cnt; + + dm_info->cck_err_cnt = rtw_read32(rtwdev, REG_IGI_C_11N); + dm_info->cck_ok_cnt = rtw_read32(rtwdev, REG_IGI_D_11N); + crc32_cnt = rtw_read32(rtwdev, REG_OFDM_CRC32_CNT_11N); + dm_info->ofdm_err_cnt = u32_get_bits(crc32_cnt, BIT_MASK_OFDM_LCRC_ERR); + dm_info->ofdm_ok_cnt = u32_get_bits(crc32_cnt, BIT_MASK_OFDM_LCRC_OK); + crc32_cnt = rtw_read32(rtwdev, REG_HT_CRC32_CNT_11N); + dm_info->ht_err_cnt = u32_get_bits(crc32_cnt, BIT_MASK_HT_CRC_ERR); + dm_info->ht_ok_cnt = u32_get_bits(crc32_cnt, BIT_MASK_HT_CRC_OK); + dm_info->vht_err_cnt = 0; + dm_info->vht_ok_cnt = 0; + + val32 = rtw_read32(rtwdev, REG_CCK_CCA_CNT_11N); + dm_info->cck_cca_cnt = (u32_get_bits(val32, BIT_MASK_CCK_FA_MSB) << 8) | + u32_get_bits(val32, BIT_MASK_CCK_FA_LSB); + dm_info->total_cca_cnt = dm_info->cck_cca_cnt + dm_info->ofdm_cca_cnt; + + /* reset counter */ + rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTC_11N, BIT_MASK_OFDM_FA_RST, 1); + rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTC_11N, BIT_MASK_OFDM_FA_RST, 0); + rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTD_11N, BIT_MASK_OFDM_FA_RST1, 1); + rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTD_11N, BIT_MASK_OFDM_FA_RST1, 0); + rtw_write32_mask(rtwdev, REG_OFDM_FA_HOLDC_11N, BIT_MASK_OFDM_FA_KEEP, 0); + rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTD_11N, BIT_MASK_OFDM_FA_KEEP1, 0); + rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_CNT_KPEN, 0); + rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_CNT_KPEN, 2); + rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_FA_KPEN, 0); + rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_FA_KPEN, 2); + rtw_write32_mask(rtwdev, REG_PAGE_F_RST_11N, BIT_MASK_F_RST_ALL, 1); + rtw_write32_mask(rtwdev, REG_PAGE_F_RST_11N, BIT_MASK_F_RST_ALL, 0); +} + static struct rtw_chip_ops rtw8723d_ops = { .phy_set_param = rtw8723d_phy_set_param, .read_efuse = rtw8723d_read_efuse, @@ -551,6 +615,7 @@ static struct rtw_chip_ops rtw8723d_ops = { .set_antenna = NULL, .cfg_ldo25 = rtw8723d_cfg_ldo25, .efuse_grant = rtw8723d_efuse_grant, + .false_alarm_statistics = rtw8723d_false_alarm_statistics, .config_bfee = NULL, .set_gid_table = NULL, .cfg_csi_rate = NULL, diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.h b/drivers/net/wireless/realtek/rtw88/rtw8723d.h index 06614602de54..ac66f672bec8 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8723d.h +++ b/drivers/net/wireless/realtek/rtw88/rtw8723d.h @@ -88,16 +88,57 @@ struct rtw8723d_efuse { #define BIT_RXBB_DFIR_EN BIT(19) #define REG_CCK0_SYS 0x0a00 #define BIT_CCK_SIDE_BAND BIT(4) +#define REG_CCK_FA_RST_11N 0x0a2c +#define BIT_MASK_CCK_CNT_KEEP BIT(12) +#define BIT_MASK_CCK_CNT_EN BIT(13) +#define BIT_MASK_CCK_CNT_KPEN (BIT_MASK_CCK_CNT_KEEP | BIT_MASK_CCK_CNT_EN) +#define BIT_MASK_CCK_FA_KEEP BIT(14) +#define BIT_MASK_CCK_FA_EN BIT(15) +#define BIT_MASK_CCK_FA_KPEN (BIT_MASK_CCK_FA_KEEP | BIT_MASK_CCK_FA_EN) +#define REG_CCK_FA_LSB_11N 0x0a5c +#define REG_CCK_FA_MSB_11N 0x0a58 +#define REG_CCK_CCA_CNT_11N 0x0a60 +#define BIT_MASK_CCK_FA_MSB GENMASK(7, 0) +#define BIT_MASK_CCK_FA_LSB GENMASK(15, 8) +#define REG_OFDM_FA_HOLDC_11N 0x0c00 +#define BIT_MASK_OFDM_FA_KEEP BIT(31) +#define REG_OFDM_FA_RSTC_11N 0x0c0c +#define BIT_MASK_OFDM_FA_RST BIT(31) #define REG_OFDM0_RXDSP 0x0c40 #define BIT_MASK_RXDSP GENMASK(28, 24) #define BIT_EN_RXDSP BIT(9) #define REG_OFDM0_XAAGC1 0x0c50 #define REG_OFDM0_XBAGC1 0x0c58 +#define REG_OFDM_FA_TYPE1_11N 0x0cf0 +#define BIT_MASK_OFDM_FF_CNT GENMASK(15, 0) +#define BIT_MASK_OFDM_SF_CNT GENMASK(31, 16) +#define REG_OFDM_FA_RSTD_11N 0x0d00 +#define BIT_MASK_OFDM_FA_RST1 BIT(27) +#define BIT_MASK_OFDM_FA_KEEP1 BIT(31) #define REG_OFDM1_CFOTRK 0x0d2c #define BIT_EN_CFOTRK BIT(28) #define REG_OFDM1_CSI1 0x0d40 #define REG_OFDM1_CSI2 0x0d44 #define REG_OFDM1_CSI3 0x0d48 #define REG_OFDM1_CSI4 0x0d4c +#define REG_OFDM_FA_TYPE2_11N 0x0da0 +#define BIT_MASK_OFDM_CCA_CNT GENMASK(15, 0) +#define BIT_MASK_OFDM_PF_CNT GENMASK(31, 16) +#define REG_OFDM_FA_TYPE3_11N 0x0da4 +#define BIT_MASK_OFDM_RI_CNT GENMASK(15, 0) +#define BIT_MASK_OFDM_CRC_CNT GENMASK(31, 16) +#define REG_OFDM_FA_TYPE4_11N 0x0da8 +#define BIT_MASK_OFDM_MNS_CNT GENMASK(15, 0) +#define REG_PAGE_F_RST_11N 0x0f14 +#define BIT_MASK_F_RST_ALL BIT(16) +#define REG_IGI_C_11N 0x0f84 +#define REG_IGI_D_11N 0x0f88 +#define REG_HT_CRC32_CNT_11N 0x0f90 +#define BIT_MASK_HT_CRC_OK GENMASK(15, 0) +#define BIT_MASK_HT_CRC_ERR GENMASK(31, 16) +#define REG_OFDM_CRC32_CNT_11N 0x0f94 +#define BIT_MASK_OFDM_LCRC_OK GENMASK(15, 0) +#define BIT_MASK_OFDM_LCRC_ERR GENMASK(31, 16) +#define REG_HT_CRC32_CNT_11N_AGG 0x0fb8 #endif