From patchwork Thu Jan 27 23:07:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian Norris X-Patchwork-Id: 12727534 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 67059C433EF for ; Thu, 27 Jan 2022 23:14:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=tvYko39dFQOwbTZf0O2nx3oQwtFuswXEL5ZZ/t72J7U=; b=gVUQN64AeE5oBm RGoy5yDM1IT3X0YpqgGTXVZtaUlE7msZHWt1X2OTPjp18rBZ6F8FL0ZtNUn3DMqbfvuAlQ/JNZU2x HYwqcG6Dd6AjzONxkBSPNb3W3s845MORuX+IVnFlkP0LR274XguqPsuzJkSuR3RpFYV3sKC6tYiLp okH9T/b1deC3Lhpggw30/S8gVkz1ZV7nK4hsPTmRFUU8QJuekdqYSYKeVR+7/JnKhVA6eOky9zxeK ClAuHw1n/+MKXAfkrqStfn2N5xNxJo5quiQS15h+pEY8NX4xQ9TKWDyEQc4hmSJKKG9tDEkoxY1pq a2lCpSYY8DJVReVVMB/g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nDDx8-00HIfa-LW; Thu, 27 Jan 2022 23:13:19 +0000 Received: from mail-pj1-x1035.google.com ([2607:f8b0:4864:20::1035]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nDDse-00HGPb-6I for linux-arm-kernel@lists.infradead.org; Thu, 27 Jan 2022 23:08:41 +0000 Received: by mail-pj1-x1035.google.com with SMTP id b1-20020a17090a990100b001b14bd47532so4785490pjp.0 for ; Thu, 27 Jan 2022 15:08:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=P0joUK/pdUbQ+tkRTC3slVsYBufXst0qResCEw1GAIA=; b=BnDRXk0/6EBRLVuizHHpYzMVT205phm4z1vtVYFekaSNBBGlmSe7dnC89KkP+OZt1G siu7id/3fNo2OQJWUz2DUH2Qqu3hNfEMPvBy0PFOSDsE0iX3SBC8JOdtXPCvtW9Er8p0 4nBNdSrt4WvJktSG23xNKi00oMJoBAbhFo92w= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=P0joUK/pdUbQ+tkRTC3slVsYBufXst0qResCEw1GAIA=; b=fK7JJqXqhLYard7JfMcXwfXTDZ1IrlJR2IqF0V6+MCsTJtLG1mn/ZF6zVabL2mX9BM JmPjuIjlejO/a0jJ8Ct35sj2LxbgciI3VrQcbaCUjPiZmAhiQgVwbNO581vGnfK+GmQ+ BzGnu2FFkQJ6PWZY5ccvOCkjzjOm4eE0yji/UU7LQXSOI8GcKNflsPkKxj995Im0Z0do JHyyDVT2fbAGdppAuTJm4YZFRFLf5smL2JPxpzktn08xEPlmhc23MYv5MSULrC8dLbhY j6B+la88sKXjDKWT0hGCW6xYvoy+AF+OgDffTaRrJ2jJ+M++Zth6yt3Uy8Q/y7NrhOW9 KuoA== X-Gm-Message-State: AOAM533BSSebNh6++btySXCb298osA8/iOmJPvgs04anqw7Ao2yBbuZz x94C1qFPacEAskPtYgkrH1KMIQ== X-Google-Smtp-Source: ABdhPJygQAI1P2SOa4Oto5BDHOx+X35TmrwOGXC/s5RZcVPqZCFxYS6m1xx9ePbYZiM/Z5xhtIElww== X-Received: by 2002:a17:90b:4b83:: with SMTP id lr3mr16431459pjb.42.1643324919686; Thu, 27 Jan 2022 15:08:39 -0800 (PST) Received: from localhost ([2620:15c:202:201:723d:38a9:9e7f:3435]) by smtp.gmail.com with UTF8SMTPSA id s6sm369704pjg.22.2022.01.27.15.08.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 27 Jan 2022 15:08:39 -0800 (PST) From: Brian Norris To: MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Rob Herring Cc: linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Lin Huang , linux-arm-kernel@lists.infradead.org, Derek Basehore , devicetree@vger.kernel.org, linux-pm@vger.kernel.org, Heiko Stuebner , Brian Norris Subject: [PATCH v2 08/15] PM / devfreq: rk3399_dmc: Use bitfield macro definitions for ODT_PD Date: Thu, 27 Jan 2022 15:07:19 -0800 Message-Id: <20220127150615.v2.8.I0f36da588afd01d0dc9ce5866240efa34bd91e21@changeid> X-Mailer: git-send-email 2.35.0.rc0.227.g00780c9af4-goog In-Reply-To: <20220127230727.3369358-1-briannorris@chromium.org> References: <20220127230727.3369358-1-briannorris@chromium.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220127_150840_258404_B8D4123E X-CRM114-Status: GOOD ( 18.35 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org We're going to add new usages, and it's cleaner to work with macros instead of comments and magic numbers. Signed-off-by: Brian Norris --- (no changes since v1) drivers/devfreq/rk3399_dmc.c | 43 ++++++++++++++++++++---------------- 1 file changed, 24 insertions(+), 19 deletions(-) diff --git a/drivers/devfreq/rk3399_dmc.c b/drivers/devfreq/rk3399_dmc.c index 8f447217303f..c4efbc15cbb1 100644 --- a/drivers/devfreq/rk3399_dmc.c +++ b/drivers/devfreq/rk3399_dmc.c @@ -5,6 +5,7 @@ */ #include +#include #include #include #include @@ -23,6 +24,15 @@ #include #include +#define RK3399_SET_ODT_PD_0_SR_IDLE GENMASK(7, 0) +#define RK3399_SET_ODT_PD_0_SR_MC_GATE_IDLE GENMASK(15, 8) +#define RK3399_SET_ODT_PD_0_STANDBY_IDLE GENMASK(31, 16) + +#define RK3399_SET_ODT_PD_1_PD_IDLE GENMASK(11, 0) +#define RK3399_SET_ODT_PD_1_SRPD_LITE_IDLE GENMASK(27, 16) + +#define RK3399_SET_ODT_PD_2_ODT_ENABLE BIT(0) + struct rk3399_dmcfreq { struct device *dev; struct devfreq *devfreq; @@ -55,7 +65,6 @@ static int rk3399_dmcfreq_target(struct device *dev, unsigned long *freq, unsigned long old_clk_rate = dmcfreq->rate; unsigned long target_volt, target_rate; struct arm_smccc_res res; - bool odt_enable = false; int err; opp = devfreq_recommended_opp(dev, freq, flags); @@ -72,8 +81,10 @@ static int rk3399_dmcfreq_target(struct device *dev, unsigned long *freq, mutex_lock(&dmcfreq->lock); if (dmcfreq->regmap_pmu) { + unsigned int odt_pd_arg2 = 0; + if (target_rate >= dmcfreq->odt_dis_freq) - odt_enable = true; + odt_pd_arg2 |= RK3399_SET_ODT_PD_2_ODT_ENABLE; /* * This makes a SMC call to the TF-A to set the DDR PD @@ -83,7 +94,7 @@ static int rk3399_dmcfreq_target(struct device *dev, unsigned long *freq, arm_smccc_smc(ROCKCHIP_SIP_DRAM_FREQ, dmcfreq->odt_pd_arg0, dmcfreq->odt_pd_arg1, ROCKCHIP_SIP_CONFIG_DRAM_SET_ODT_PD, - odt_enable, 0, 0, 0, &res); + odt_pd_arg2, 0, 0, 0, &res); } /* @@ -316,23 +327,17 @@ static int rk3399_dmcfreq_probe(struct platform_device *pdev) /* * In TF-A there is a platform SIP call to set the PD (power-down) * timings and to enable or disable the ODT (on-die termination). - * This call needs three arguments as follows: - * - * arg0: - * bit[0-7] : sr_idle - * bit[8-15] : sr_mc_gate_idle - * bit[16-31] : standby idle - * arg1: - * bit[0-11] : pd_idle - * bit[16-27] : srpd_lite_idle - * arg2: - * bit[0] : odt enable */ - data->odt_pd_arg0 = (data->sr_idle & 0xff) | - ((data->sr_mc_gate_idle & 0xff) << 8) | - ((data->standby_idle & 0xffff) << 16); - data->odt_pd_arg1 = (data->pd_idle & 0xfff) | - ((data->srpd_lite_idle & 0xfff) << 16); + data->odt_pd_arg0 = + FIELD_PREP(RK3399_SET_ODT_PD_0_SR_IDLE, data->sr_idle) | + FIELD_PREP(RK3399_SET_ODT_PD_0_SR_MC_GATE_IDLE, + data->sr_mc_gate_idle) | + FIELD_PREP(RK3399_SET_ODT_PD_0_STANDBY_IDLE, + data->standby_idle); + data->odt_pd_arg1 = + FIELD_PREP(RK3399_SET_ODT_PD_1_PD_IDLE, data->pd_idle) | + FIELD_PREP(RK3399_SET_ODT_PD_1_SRPD_LITE_IDLE, + data->srpd_lite_idle); /* * We add a devfreq driver to our parent since it has a device tree node