From patchwork Tue Oct 1 08:57:06 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 11168269 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A33A513BD for ; Tue, 1 Oct 2019 08:57:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 77E3021855 for ; Tue, 1 Oct 2019 08:57:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ox5MmYRq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733185AbfJAI5X (ORCPT ); Tue, 1 Oct 2019 04:57:23 -0400 Received: from mail-wr1-f52.google.com ([209.85.221.52]:35620 "EHLO mail-wr1-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733174AbfJAI5W (ORCPT ); Tue, 1 Oct 2019 04:57:22 -0400 Received: by mail-wr1-f52.google.com with SMTP id v8so14470362wrt.2 for ; Tue, 01 Oct 2019 01:57:20 -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=gDS9OzT7Pjh6PoEr0+dcthI/7o+s+hyfEPj6UjpRiNI=; b=ox5MmYRqpCoyNfd8k+sk6ZvtWFsroiwIMaysW8sHBgoynUDA4kHcQkKXYCci4MFOWV W2Dzhoctw1LB8BL1PpXjR49Bw6SsKiaH6Zy9hNpP+7LrE4N4j0Sfzh8ShJLFPQNy/8Pg hwcBXHjMkDFTK3jzTgV9HODURcV8Mc6ko0k0sRwvCrgqVbowsfG5Ds/k26q/EI9bAmLS tV8NqqKP+kJWPzNJnhJFfhZk8SAn0IvbK1lppFuV4Q2Mr28A+h+LyLmNbLkpoJUEjkKc it7RyTOEiRnGNeDWqWXz5YI/Goad8EO9WToZEnwFD5Ua7KkQUlvPsuOiTDw56N/fmFKj jgVw== 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=gDS9OzT7Pjh6PoEr0+dcthI/7o+s+hyfEPj6UjpRiNI=; b=rPG3atHKnkm7ID1UgijK6gQIcTV5pA67++WJj2ACRJmFDu5pxzdZoeZdofNl/8aQia +M9xKRfZj23U3IiSdbHeMEZrEhE53gstOCrMK9x6u4gLpwdIOamlrfnSleyufynp1/7e 8gHUxukaxqehTBet+IJB4jq+5zzGhz5kN4VESb1Xg0CQtKfdO6Coa1NJax1QR19Szn0t LxILWILx5eyc9LpPde1z45Xl8V9xLKNyGwVNxqfJoa3JTT7Ze1Ls/QzWW7cnFdsMk1uA kOAgI8U1lVoCPFdbMIwLET/f44PeZNWHNkeUFkbAZRHWViiMQZ9e5h92uoUXVjJyyB7C w5HQ== X-Gm-Message-State: APjAAAVHa60pPsmgoEt2pPGw5pwRmKrX+4x0UnY5HHqQP+gPmDZ+D6V2 1ugoKpxiTuG7t4apEwUDTy29JvKYwik= X-Google-Smtp-Source: APXvYqzyCJ8E27ZffZR/NmcrXc0NXjfbCw0Vt+foJfZFhwqzBngxpQEPqFEkLMzQoAGZepV75RgxXg== X-Received: by 2002:adf:dc41:: with SMTP id m1mr15940139wrj.46.1569920239298; Tue, 01 Oct 2019 01:57:19 -0700 (PDT) Received: from IcarusMOD.eternityproject.eu ([93.51.16.173]) by smtp.gmail.com with ESMTPSA id u68sm4600611wmu.12.2019.10.01.01.57.18 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 01 Oct 2019 01:57:18 -0700 (PDT) From: kholk11@gmail.com To: linux-arm-msm@vger.kernel.org Cc: kholk11@gmail.com, marijns95@gmail.com, agross@kernel.org, daniel.lezcano@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, amit.kucheria@linaro.org Subject: [PATCH v2 1/2] thermal: qcom: tsens-v1: Add support for MSM8956 and MSM8976 Date: Tue, 1 Oct 2019 10:57:06 +0200 Message-Id: <20191001085707.8424-2-kholk11@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191001085707.8424-1-kholk11@gmail.com> References: <20191001085707.8424-1-kholk11@gmail.com> MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: AngeloGioacchino Del Regno Add support for reading calibrated value from thermistors in MSM8956, MSM8976 and their APQ variants. Signed-off-by: AngeloGioacchino Del Regno --- drivers/thermal/qcom/tsens-v1.c | 167 +++++++++++++++++++++++++++++++- drivers/thermal/qcom/tsens.c | 3 + drivers/thermal/qcom/tsens.h | 2 +- 3 files changed, 170 insertions(+), 2 deletions(-) diff --git a/drivers/thermal/qcom/tsens-v1.c b/drivers/thermal/qcom/tsens-v1.c index 10b595d4f619..04af13085eb5 100644 --- a/drivers/thermal/qcom/tsens-v1.c +++ b/drivers/thermal/qcom/tsens-v1.c @@ -18,6 +18,68 @@ #define TM_Sn_STATUS_OFF 0x0044 #define TM_TRDY_OFF 0x0084 +/* eeprom layout data for msm8956/76 (v1) */ +#define MSM8976_BASE0_MASK 0xff +#define MSM8976_BASE1_MASK 0xff +#define MSM8976_BASE1_SHIFT 8 + +#define MSM8976_S0_P1_MASK 0x3f00 +#define MSM8976_S1_P1_MASK 0x3f00000 +#define MSM8976_S2_P1_MASK 0x3f +#define MSM8976_S3_P1_MASK 0x3f000 +#define MSM8976_S4_P1_MASK 0x3f00 +#define MSM8976_S5_P1_MASK 0x3f00000 +#define MSM8976_S6_P1_MASK 0x3f +#define MSM8976_S7_P1_MASK 0x3f000 +#define MSM8976_S8_P1_MASK 0x1f8 +#define MSM8976_S9_P1_MASK 0x1f8000 +#define MSM8976_S10_P1_MASK 0xf8000000 +#define MSM8976_S10_P1_MASK_1 0x1 + +#define MSM8976_S0_P2_MASK 0xfc000 +#define MSM8976_S1_P2_MASK 0xfc000000 +#define MSM8976_S2_P2_MASK 0xfc0 +#define MSM8976_S3_P2_MASK 0xfc0000 +#define MSM8976_S4_P2_MASK 0xfc000 +#define MSM8976_S5_P2_MASK 0xfc000000 +#define MSM8976_S6_P2_MASK 0xfc0 +#define MSM8976_S7_P2_MASK 0xfc0000 +#define MSM8976_S8_P2_MASK 0x7e00 +#define MSM8976_S9_P2_MASK 0x7e00000 +#define MSM8976_S10_P2_MASK 0x7e + +#define MSM8976_S0_P1_SHIFT 8 +#define MSM8976_S1_P1_SHIFT 20 +#define MSM8976_S2_P1_SHIFT 0 +#define MSM8976_S3_P1_SHIFT 12 +#define MSM8976_S4_P1_SHIFT 8 +#define MSM8976_S5_P1_SHIFT 20 +#define MSM8976_S6_P1_SHIFT 0 +#define MSM8976_S7_P1_SHIFT 12 +#define MSM8976_S8_P1_SHIFT 3 +#define MSM8976_S9_P1_SHIFT 15 +#define MSM8976_S10_P1_SHIFT 27 +#define MSM8976_S10_P1_SHIFT_1 0 + +#define MSM8976_S0_P2_SHIFT 14 +#define MSM8976_S1_P2_SHIFT 26 +#define MSM8976_S2_P2_SHIFT 6 +#define MSM8976_S3_P2_SHIFT 18 +#define MSM8976_S4_P2_SHIFT 14 +#define MSM8976_S5_P2_SHIFT 26 +#define MSM8976_S6_P2_SHIFT 6 +#define MSM8976_S7_P2_SHIFT 18 +#define MSM8976_S8_P2_SHIFT 9 +#define MSM8976_S9_P2_SHIFT 21 +#define MSM8976_S10_P2_SHIFT 1 + +#define MSM8976_CAL_SEL_MASK 0x3 + +#define MSM8976_CAL_DEGC_PT1 30 +#define MSM8976_CAL_DEGC_PT2 120 +#define MSM8976_SLOPE_FACTOR 1000 +#define MSM8976_SLOPE_DEFAULT 3200 + /* eeprom layout data for qcs404/405 (v1) */ #define BASE0_MASK 0x000007f8 #define BASE1_MASK 0x0007f800 @@ -77,6 +139,30 @@ #define CAL_SEL_MASK 7 #define CAL_SEL_SHIFT 0 +static void compute_intercept_slope_8976(struct tsens_priv *priv, + u32 *p1, u32 *p2, u32 mode) +{ + int i; + + priv->sensor[0].slope = 3313; + priv->sensor[1].slope = 3275; + priv->sensor[2].slope = 3320; + priv->sensor[3].slope = 3246; + priv->sensor[4].slope = 3279; + priv->sensor[5].slope = 3257; + priv->sensor[6].slope = 3234; + priv->sensor[7].slope = 3269; + priv->sensor[8].slope = 3255; + priv->sensor[9].slope = 3239; + priv->sensor[10].slope = 3286; + + for (i = 0; i < priv->num_sensors; i++) { + priv->sensor[i].offset = (p1[i] * MSM8976_SLOPE_FACTOR) - + (MSM8976_CAL_DEGC_PT1 * + priv->sensor[i].slope); + } +} + static int calibrate_v1(struct tsens_priv *priv) { u32 base0 = 0, base1 = 0; @@ -142,7 +228,71 @@ static int calibrate_v1(struct tsens_priv *priv) return 0; } -/* v1.x: qcs404,405 */ +static int calibrate_8976(struct tsens_priv *priv) +{ + int base0 = 0, base1 = 0, i; + u32 p1[11], p2[11]; + int mode = 0, tmp = 0; + u32 *qfprom_cdata; + + qfprom_cdata = (u32 *)qfprom_read(priv->dev, "calib"); + if (IS_ERR(qfprom_cdata)) + return PTR_ERR(qfprom_cdata); + + mode = (qfprom_cdata[4] & MSM8976_CAL_SEL_MASK); + dev_dbg(priv->dev, "calibration mode is %d\n", mode); + + switch (mode) { + case TWO_PT_CALIB: + base1 = (qfprom_cdata[2] & MSM8976_BASE1_MASK) >> MSM8976_BASE1_SHIFT; + p2[0] = (qfprom_cdata[0] & MSM8976_S0_P2_MASK) >> MSM8976_S0_P2_SHIFT; + p2[1] = (qfprom_cdata[0] & MSM8976_S1_P2_MASK) >> MSM8976_S1_P2_SHIFT; + p2[2] = (qfprom_cdata[1] & MSM8976_S2_P2_MASK) >> MSM8976_S2_P2_SHIFT; + p2[3] = (qfprom_cdata[1] & MSM8976_S3_P2_MASK) >> MSM8976_S3_P2_SHIFT; + p2[4] = (qfprom_cdata[2] & MSM8976_S4_P2_MASK) >> MSM8976_S4_P2_SHIFT; + p2[5] = (qfprom_cdata[2] & MSM8976_S5_P2_MASK) >> MSM8976_S5_P2_SHIFT; + p2[6] = (qfprom_cdata[3] & MSM8976_S6_P2_MASK) >> MSM8976_S6_P2_SHIFT; + p2[7] = (qfprom_cdata[3] & MSM8976_S7_P2_MASK) >> MSM8976_S7_P2_SHIFT; + p2[8] = (qfprom_cdata[4] & MSM8976_S8_P2_MASK) >> MSM8976_S8_P2_SHIFT; + p2[9] = (qfprom_cdata[4] & MSM8976_S9_P2_MASK) >> MSM8976_S9_P2_SHIFT; + p2[10] = (qfprom_cdata[5] & MSM8976_S10_P2_MASK) >> MSM8976_S10_P2_SHIFT; + + for (i = 0; i < priv->num_sensors; i++) + p2[i] = ((base1 + p2[i]) << 2); + /* Fall through */ + case ONE_PT_CALIB2: + base0 = qfprom_cdata[0] & MSM8976_BASE0_MASK; + p1[0] = (qfprom_cdata[0] & MSM8976_S0_P1_MASK) >> MSM8976_S0_P1_SHIFT; + p1[1] = (qfprom_cdata[0] & MSM8976_S1_P1_MASK) >> MSM8976_S1_P1_SHIFT; + p1[2] = (qfprom_cdata[1] & MSM8976_S2_P1_MASK) >> MSM8976_S2_P1_SHIFT; + p1[3] = (qfprom_cdata[1] & MSM8976_S3_P1_MASK) >> MSM8976_S3_P1_SHIFT; + p1[4] = (qfprom_cdata[2] & MSM8976_S4_P1_MASK) >> MSM8976_S4_P1_SHIFT; + p1[5] = (qfprom_cdata[2] & MSM8976_S5_P1_MASK) >> MSM8976_S5_P1_SHIFT; + p1[6] = (qfprom_cdata[3] & MSM8976_S6_P1_MASK) >> MSM8976_S6_P1_SHIFT; + p1[7] = (qfprom_cdata[3] & MSM8976_S7_P1_MASK) >> MSM8976_S7_P1_SHIFT; + p1[8] = (qfprom_cdata[4] & MSM8976_S8_P1_MASK) >> MSM8976_S8_P1_SHIFT; + p1[9] = (qfprom_cdata[4] & MSM8976_S9_P1_MASK) >> MSM8976_S9_P1_SHIFT; + p1[10] = (qfprom_cdata[4] & MSM8976_S10_P1_MASK) >> MSM8976_S10_P1_SHIFT; + tmp = (qfprom_cdata[5] & MSM8976_S10_P1_MASK_1) << MSM8976_S10_P1_SHIFT_1; + p1[10] |= tmp; + + for (i = 0; i < priv->num_sensors; i++) + p1[i] = (((base0) + p1[i]) << 2); + break; + default: + for (i = 0; i < priv->num_sensors; i++) { + p1[i] = 500; + p2[i] = 780; + } + break; + } + + compute_intercept_slope_8976(priv, p1, p2, mode); + + return 0; +} + +/* v1.x: msm8956,8976,qcs404,405 */ static const struct tsens_features tsens_v1_feat = { .ver_major = VER_1_X, @@ -191,3 +341,18 @@ const struct tsens_plat_data data_tsens_v1 = { .feat = &tsens_v1_feat, .fields = tsens_v1_regfields, }; + +static const struct tsens_ops ops_8976 = { + .init = init_common, + .calibrate = calibrate_8976, + .get_temp = get_temp_tsens_valid, +}; + +/* Valid for both MSM8956 and MSM8976. Sensor ID 3 is unused. */ +const struct tsens_plat_data data_8976 = { + .num_sensors = 11, + .ops = &ops_8976, + .hw_ids = (unsigned int[]){0, 1, 2, 4, 5, 6, 7, 8, 9, 10}, + .feat = &tsens_v1_feat, + .fields = tsens_v1_regfields, +}; diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c index 0627d8615c30..24bb05e0eaf8 100644 --- a/drivers/thermal/qcom/tsens.c +++ b/drivers/thermal/qcom/tsens.c @@ -60,6 +60,9 @@ static const struct of_device_id tsens_table[] = { }, { .compatible = "qcom,msm8974-tsens", .data = &data_8974, + }, { + .compatible = "qcom,msm8976-tsens", + .data = &data_8976, }, { .compatible = "qcom,msm8996-tsens", .data = &data_8996, diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h index 2fd94997245b..8efec747bfcb 100644 --- a/drivers/thermal/qcom/tsens.h +++ b/drivers/thermal/qcom/tsens.h @@ -323,7 +323,7 @@ extern const struct tsens_plat_data data_8960; extern const struct tsens_plat_data data_8916, data_8974; /* TSENS v1 targets */ -extern const struct tsens_plat_data data_tsens_v1; +extern const struct tsens_plat_data data_tsens_v1, data_8976; /* TSENS v2 targets */ extern const struct tsens_plat_data data_8996, data_tsens_v2;