From patchwork Fri Mar 19 00:52:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Marangi X-Patchwork-Id: 404868 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 023BEC4160E for ; Fri, 19 Mar 2021 00:53:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D293564F18 for ; Fri, 19 Mar 2021 00:53:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233487AbhCSAxK (ORCPT ); Thu, 18 Mar 2021 20:53:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49116 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233365AbhCSAw6 (ORCPT ); Thu, 18 Mar 2021 20:52:58 -0400 Received: from mail-ej1-x62f.google.com (mail-ej1-x62f.google.com [IPv6:2a00:1450:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DFDFAC06174A; Thu, 18 Mar 2021 17:52:57 -0700 (PDT) Received: by mail-ej1-x62f.google.com with SMTP id a7so6900801ejs.3; Thu, 18 Mar 2021 17:52:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=NhzVjouXPgsngkD2GZKpxxvTDB5Ene+sCDfsYKC2JBI=; b=NzZcPSh51b9+sRYq73x32j9TceEZSFXi/283SA8vmfiB1XQ8hb6g1+z+Lzhm/gUw/W mqr1PuaQqDO8xISlP24Pc+tKkBU+0p30TKYX3SXSmuaAE7GwLflr6dj8z3JXKHrQVyv4 tipGCupQAkCKimARwWz30lLIuneLOifcdiKkoTttmBPjBnjjm7b1o2uhEEk2k2Ag88Ff /BU41yoFU4feTmpW2r9NxH/C5+4g7PVKH3SgcYr67Uh2LU1rAWd0Fh4Vm4bczZURx7Vc TMiKdAL06Q7Oafcq9+l5qoZMnlyrNqQFn29QowZ91wnzgDxxxAe+9pDSzfKCIcHDmier zFgw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=NhzVjouXPgsngkD2GZKpxxvTDB5Ene+sCDfsYKC2JBI=; b=TZNR81eEWHu6lhA+ebf/SHPDBFBihCYByUDc8iwxqCWb2SsKJoYe/HdNTAkforGFg0 BcBVD28Iz5rwvEkTXup8asl2hL6yanwNaqny2Skq/RuuQ60GxnrYzv3hJLNpEXqYPnnY DsdYyi+a3KU+DOAsfzHj/GmiIvVU+lJ5/SYgAXMdkatl/clcjPb2QYnkwMJjHTkV8rzO enzOsVCbQ2AWFWpSIWhWQVNEyCZFoIp3716fp+ZNiqMJy8Dpk5Lm4H/c9FB6ihs736ug Bmv5asbkRisnX1+EsEZp0Qd2IW8XS9R2Cc0fMmhHg3GXNi45n5sVtGnEQUJfNj0Arp3M Pjcg== X-Gm-Message-State: AOAM530RTNrjoAII9+6p+xT3+0KCTnH9du36IprlX5LaWbexb90D0ag9 wTotmsma350hsipl5ihLP+c= X-Google-Smtp-Source: ABdhPJz6r6yrfxdQJchyPwB0gjXPqy0jyT+Kco8uiRg0Raw+xN+4XAzhH854nQeRACrgx4hN6gs97g== X-Received: by 2002:a17:907:216d:: with SMTP id rl13mr1446115ejb.362.1616115176552; Thu, 18 Mar 2021 17:52:56 -0700 (PDT) Received: from Ansuel-xps.localdomain (host-95-233-52-6.retail.telecomitalia.it. [95.233.52.6]) by smtp.googlemail.com with ESMTPSA id q25sm3186976edt.51.2021.03.18.17.52.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Mar 2021 17:52:56 -0700 (PDT) From: Ansuel Smith To: Thara Gopinath Cc: Ansuel Smith , Andy Gross , Bjorn Andersson , Amit Kucheria , Zhang Rui , Daniel Lezcano , Rob Herring , linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v11 6/9] drivers: thermal: tsens: Replace custom 8960 apis with generic apis Date: Fri, 19 Mar 2021 01:52:24 +0100 Message-Id: <20210319005228.1250-7-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210319005228.1250-1-ansuelsmth@gmail.com> References: <20210319005228.1250-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Rework calibrate function to use common function. Derive the offset from a missing hardcoded slope table and the data from the nvmem calib efuses. Drop custom get_temp function and use generic api. Signed-off-by: Ansuel Smith Acked-by: Thara Gopinath --- drivers/thermal/qcom/tsens-8960.c | 56 +++++++++---------------------- 1 file changed, 15 insertions(+), 41 deletions(-) diff --git a/drivers/thermal/qcom/tsens-8960.c b/drivers/thermal/qcom/tsens-8960.c index bdc64d4188bf..8c523b764862 100644 --- a/drivers/thermal/qcom/tsens-8960.c +++ b/drivers/thermal/qcom/tsens-8960.c @@ -67,6 +67,13 @@ #define S9_STATUS_OFF 0x3674 #define S10_STATUS_OFF 0x3678 +/* Original slope - 200 to compensate mC to C inaccuracy */ +u32 tsens_msm8960_slope[] = { + 976, 976, 954, 976, + 911, 932, 932, 999, + 932, 999, 932 + }; + static int suspend_8960(struct tsens_priv *priv) { int ret; @@ -195,9 +202,7 @@ static int calibrate_8960(struct tsens_priv *priv) { int i; char *data; - - ssize_t num_read = priv->num_sensors; - struct tsens_sensor *s = priv->sensor; + u32 p1[11]; data = qfprom_read(priv->dev, "calib"); if (IS_ERR(data)) @@ -205,49 +210,18 @@ static int calibrate_8960(struct tsens_priv *priv) if (IS_ERR(data)) return PTR_ERR(data); - for (i = 0; i < num_read; i++, s++) - s->offset = data[i]; + for (i = 0; i < priv->num_sensors; i++) { + p1[i] = data[i]; + priv->sensor[i].slope = tsens_msm8960_slope[i]; + } + + compute_intercept_slope(priv, p1, NULL, ONE_PT_CALIB); kfree(data); return 0; } -/* Temperature on y axis and ADC-code on x-axis */ -static inline int code_to_mdegC(u32 adc_code, const struct tsens_sensor *s) -{ - int slope, offset; - - slope = thermal_zone_get_slope(s->tzd); - offset = CAL_MDEGC - slope * s->offset; - - return adc_code * slope + offset; -} - -static int get_temp_8960(const struct tsens_sensor *s, int *temp) -{ - int ret; - u32 code, trdy; - struct tsens_priv *priv = s->priv; - unsigned long timeout; - - timeout = jiffies + usecs_to_jiffies(TIMEOUT_US); - do { - ret = regmap_read(priv->tm_map, INT_STATUS_ADDR, &trdy); - if (ret) - return ret; - if (!(trdy & TRDY_MASK)) - continue; - ret = regmap_read(priv->tm_map, s->status, &code); - if (ret) - return ret; - *temp = code_to_mdegC(code, s); - return 0; - } while (time_before(jiffies, timeout)); - - return -ETIMEDOUT; -} - static struct tsens_features tsens_8960_feat = { .ver_major = VER_0, .crit_int = 0, @@ -316,7 +290,7 @@ static const struct reg_field tsens_8960_regfields[MAX_REGFIELDS] = { static const struct tsens_ops ops_8960 = { .init = init_common, .calibrate = calibrate_8960, - .get_temp = get_temp_8960, + .get_temp = get_temp_common, .enable = enable_8960, .disable = disable_8960, .suspend = suspend_8960,