From patchwork Fri Jun 16 03:44:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 693998 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E1849EB64D7 for ; Fri, 16 Jun 2023 03:45:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241272AbjFPDpc (ORCPT ); Thu, 15 Jun 2023 23:45:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45754 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239284AbjFPDp1 (ORCPT ); Thu, 15 Jun 2023 23:45:27 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0141B13E for ; Thu, 15 Jun 2023 20:45:25 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 35G3ixUT3029367, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36505.realtek.com.tw[172.21.6.25]) by rtits2.realtek.com.tw (8.15.2/2.81/5.90) with ESMTPS id 35G3ixUT3029367 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=OK); Fri, 16 Jun 2023 11:45:00 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXH36505.realtek.com.tw (172.21.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.32; Fri, 16 Jun 2023 11:45:18 +0800 Received: from [127.0.1.1] (172.21.69.188) by RTEXMBS04.realtek.com.tw (172.21.6.97) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Fri, 16 Jun 2023 11:45:17 +0800 From: Ping-Ke Shih To: , CC: , Subject: [PATCH 5/6] wifi: rtw88: refine register based H2C command Date: Fri, 16 Jun 2023 11:44:30 +0800 Message-ID: <20230616034431.17403-6-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230616034431.17403-1-pkshih@realtek.com> References: <20230616034431.17403-1-pkshih@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.21.69.188] X-ClientProxiedBy: RTEXMBS02.realtek.com.tw (172.21.6.95) To RTEXMBS04.realtek.com.tw (172.21.6.97) X-KSE-ServerInfo: RTEXMBS04.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-ServerInfo: RTEXH36505.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Po-Hao Huang Since register based H2C commands don't need endian conversion. Introduce a new API that don't do conversion and send it directly. New caller are expected to encode with cpu order and gradually replace the old ones. Signed-off-by: Po-Hao Huang Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw88/fw.c | 51 +++++++++++++++++++++++++ drivers/net/wireless/realtek/rtw88/fw.h | 5 +++ 2 files changed, 56 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw88/fw.c b/drivers/net/wireless/realtek/rtw88/fw.c index 2a8ccc8a7f60d..5e329bb95bb89 100644 --- a/drivers/net/wireless/realtek/rtw88/fw.c +++ b/drivers/net/wireless/realtek/rtw88/fw.c @@ -308,6 +308,57 @@ void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev) } EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr); +static void rtw_fw_send_h2c_command_register(struct rtw_dev *rtwdev, + struct rtw_h2c_register *h2c) +{ + u32 box_reg, box_ex_reg; + u8 box_state, box; + int ret; + + rtw_dbg(rtwdev, RTW_DBG_FW, "send H2C content %08x %08x\n", h2c->w0, + h2c->w1); + + lockdep_assert_held(&rtwdev->mutex); + + box = rtwdev->h2c.last_box_num; + switch (box) { + case 0: + box_reg = REG_HMEBOX0; + box_ex_reg = REG_HMEBOX0_EX; + break; + case 1: + box_reg = REG_HMEBOX1; + box_ex_reg = REG_HMEBOX1_EX; + break; + case 2: + box_reg = REG_HMEBOX2; + box_ex_reg = REG_HMEBOX2_EX; + break; + case 3: + box_reg = REG_HMEBOX3; + box_ex_reg = REG_HMEBOX3_EX; + break; + default: + WARN(1, "invalid h2c mail box number\n"); + return; + } + + ret = read_poll_timeout_atomic(rtw_read8, box_state, + !((box_state >> box) & 0x1), 100, 3000, + false, rtwdev, REG_HMETFR); + + if (ret) { + rtw_err(rtwdev, "failed to send h2c command\n"); + return; + } + + rtw_write32(rtwdev, box_ex_reg, h2c->w1); + rtw_write32(rtwdev, box_reg, h2c->w0); + + if (++rtwdev->h2c.last_box_num >= 4) + rtwdev->h2c.last_box_num = 0; +} + static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev, u8 *h2c) { diff --git a/drivers/net/wireless/realtek/rtw88/fw.h b/drivers/net/wireless/realtek/rtw88/fw.h index 397cbc3f6af6e..11a77d86cd144 100644 --- a/drivers/net/wireless/realtek/rtw88/fw.h +++ b/drivers/net/wireless/realtek/rtw88/fw.h @@ -81,6 +81,11 @@ struct rtw_c2h_adaptivity { u8 option; } __packed; +struct rtw_h2c_register { + u32 w0; + u32 w1; +} __packed; + struct rtw_h2c_cmd { __le32 msg; __le32 msg_ext;