From patchwork Fri Oct 9 09:41:05 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajendra Nayak X-Patchwork-Id: 7360541 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 082559F32B for ; Fri, 9 Oct 2015 09:44:04 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CAD1620608 for ; Fri, 9 Oct 2015 09:44:02 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 974EF20606 for ; Fri, 9 Oct 2015 09:44:01 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZkUBw-0004sw-SJ; Fri, 09 Oct 2015 09:42:20 +0000 Received: from smtp.codeaurora.org ([198.145.29.96]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZkUBX-0004P4-92 for linux-arm-kernel@lists.infradead.org; Fri, 09 Oct 2015 09:41:57 +0000 Received: from smtp.codeaurora.org (localhost [127.0.0.1]) by smtp.codeaurora.org (Postfix) with ESMTP id 80C79141163; Fri, 9 Oct 2015 09:41:39 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 486) id 6C9C314116F; Fri, 9 Oct 2015 09:41:39 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from blr-ubuntu-34.ap.qualcomm.com (unknown [202.46.23.61]) (using TLSv1.1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: rnayak@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 58894141163; Fri, 9 Oct 2015 09:41:34 +0000 (UTC) From: Rajendra Nayak To: edubezval@gmail.com, agross@codeaurora.org Subject: [PATCH v4 3/8] thermal: qcom: tsens-8974: Add support for 8974 family of SoCs Date: Fri, 9 Oct 2015 15:11:05 +0530 Message-Id: <1444383670-32693-4-git-send-email-rnayak@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1444383670-32693-1-git-send-email-rnayak@codeaurora.org> References: <1444383670-32693-1-git-send-email-rnayak@codeaurora.org> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151009_024155_413964_E6801592 X-CRM114-Status: GOOD ( 21.87 ) X-Spam-Score: -2.6 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rajendra Nayak , linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, punit.agrawal@arm.com, sboyd@codeaurora.org, srinivas.kandagatla@linaro.org, lina.iyer@linaro.org, nrajan@codeaurora.org, rui.zhang@intel.com, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add .calibrate support for 8974 family as part of tsens_ops. Based on the original code by Siddartha Mohanadoss and Stephen Boyd. Signed-off-by: Rajendra Nayak --- drivers/thermal/qcom/Makefile | 2 +- drivers/thermal/qcom/tsens-8974.c | 239 ++++++++++++++++++++++++++++++++++++++ drivers/thermal/qcom/tsens.c | 1 + drivers/thermal/qcom/tsens.h | 2 +- 4 files changed, 242 insertions(+), 2 deletions(-) create mode 100644 drivers/thermal/qcom/tsens-8974.c diff --git a/drivers/thermal/qcom/Makefile b/drivers/thermal/qcom/Makefile index 05c98e4..a471100 100644 --- a/drivers/thermal/qcom/Makefile +++ b/drivers/thermal/qcom/Makefile @@ -1,2 +1,2 @@ obj-$(CONFIG_QCOM_TSENS) += qcom_tsens.o -qcom_tsens-y += tsens.o tsens-common.o tsens-8916.o +qcom_tsens-y += tsens.o tsens-common.o tsens-8916.o tsens-8974.o diff --git a/drivers/thermal/qcom/tsens-8974.c b/drivers/thermal/qcom/tsens-8974.c new file mode 100644 index 0000000..19d9258 --- /dev/null +++ b/drivers/thermal/qcom/tsens-8974.c @@ -0,0 +1,239 @@ +/* + * Copyright (c) 2015, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include +#include "tsens.h" + +/* eeprom layout data for 8974 */ +#define BASE1_MASK 0xff +#define S0_P1_MASK 0x3f00 +#define S1_P1_MASK 0xfc000 +#define S2_P1_MASK 0x3f00000 +#define S3_P1_MASK 0xfc000000 +#define S4_P1_MASK 0x3f +#define S5_P1_MASK 0xfc0 +#define S6_P1_MASK 0x3f000 +#define S7_P1_MASK 0xfc0000 +#define S8_P1_MASK 0x3f000000 +#define S8_P1_MASK_BKP 0x3f +#define S9_P1_MASK 0x3f +#define S9_P1_MASK_BKP 0xfc0 +#define S10_P1_MASK 0xfc0 +#define S10_P1_MASK_BKP 0x3f000 +#define CAL_SEL_0_1 0xc0000000 +#define CAL_SEL_2 0x40000000 +#define CAL_SEL_SHIFT 30 +#define CAL_SEL_SHIFT_2 28 + +#define S0_P1_SHIFT 8 +#define S1_P1_SHIFT 14 +#define S2_P1_SHIFT 20 +#define S3_P1_SHIFT 26 +#define S5_P1_SHIFT 6 +#define S6_P1_SHIFT 12 +#define S7_P1_SHIFT 18 +#define S8_P1_SHIFT 24 +#define S9_P1_BKP_SHIFT 6 +#define S10_P1_SHIFT 6 +#define S10_P1_BKP_SHIFT 12 + +#define BASE2_SHIFT 12 +#define BASE2_BKP_SHIFT 18 +#define S0_P2_SHIFT 20 +#define S0_P2_BKP_SHIFT 26 +#define S1_P2_SHIFT 26 +#define S2_P2_BKP_SHIFT 6 +#define S3_P2_SHIFT 6 +#define S3_P2_BKP_SHIFT 12 +#define S4_P2_SHIFT 12 +#define S4_P2_BKP_SHIFT 18 +#define S5_P2_SHIFT 18 +#define S5_P2_BKP_SHIFT 24 +#define S6_P2_SHIFT 24 +#define S7_P2_BKP_SHIFT 6 +#define S8_P2_SHIFT 6 +#define S8_P2_BKP_SHIFT 12 +#define S9_P2_SHIFT 12 +#define S9_P2_BKP_SHIFT 18 +#define S10_P2_SHIFT 18 +#define S10_P2_BKP_SHIFT 24 + +#define BASE2_MASK 0xff000 +#define BASE2_BKP_MASK 0xfc0000 +#define S0_P2_MASK 0x3f00000 +#define S0_P2_BKP_MASK 0xfc000000 +#define S1_P2_MASK 0xfc000000 +#define S1_P2_BKP_MASK 0x3f +#define S2_P2_MASK 0x3f +#define S2_P2_BKP_MASK 0xfc0 +#define S3_P2_MASK 0xfc0 +#define S3_P2_BKP_MASK 0x3f000 +#define S4_P2_MASK 0x3f000 +#define S4_P2_BKP_MASK 0xfc0000 +#define S5_P2_MASK 0xfc0000 +#define S5_P2_BKP_MASK 0x3f000000 +#define S6_P2_MASK 0x3f000000 +#define S6_P2_BKP_MASK 0x3f +#define S7_P2_MASK 0x3f +#define S7_P2_BKP_MASK 0xfc0 +#define S8_P2_MASK 0xfc0 +#define S8_P2_BKP_MASK 0x3f000 +#define S9_P2_MASK 0x3f000 +#define S9_P2_BKP_MASK 0xfc0000 +#define S10_P2_MASK 0xfc0000 +#define S10_P2_BKP_MASK 0x3f000000 + +#define BKP_SEL 0x3 +#define BKP_REDUN_SEL 0xe0000000 +#define BKP_REDUN_SHIFT 29 + +#define BIT_APPEND 0x3 + +static int calibrate_8974(struct tsens_device *tmdev) +{ + int base1 = 0, base2 = 0, i; + u32 p1[11], p2[11]; + int mode = 0; + u32 *calib, *bkp; + u32 calib_redun_sel; + + calib = (u32 *)qfprom_read(tmdev->dev, "calib"); + if (IS_ERR(calib)) + return PTR_ERR(calib); + + bkp = (u32 *)qfprom_read(tmdev->dev, "calib_backup"); + if (IS_ERR(bkp)) + return PTR_ERR(bkp); + + calib_redun_sel = bkp[1] & BKP_REDUN_SEL; + calib_redun_sel >>= BKP_REDUN_SHIFT; + + if (calib_redun_sel == BKP_SEL) { + mode = (calib[4] & CAL_SEL_0_1) >> CAL_SEL_SHIFT; + mode |= (calib[5] & CAL_SEL_2) >> CAL_SEL_SHIFT_2; + + switch (mode) { + case TWO_PT_CALIB: + base2 = (bkp[2] & BASE2_BKP_MASK) >> BASE2_BKP_SHIFT; + p2[0] = (bkp[2] & S0_P2_BKP_MASK) >> S0_P2_BKP_SHIFT; + p2[1] = (bkp[3] & S1_P2_BKP_MASK); + p2[2] = (bkp[3] & S2_P2_BKP_MASK) >> S2_P2_BKP_SHIFT; + p2[3] = (bkp[3] & S3_P2_BKP_MASK) >> S3_P2_BKP_SHIFT; + p2[4] = (bkp[3] & S4_P2_BKP_MASK) >> S4_P2_BKP_SHIFT; + p2[5] = (calib[4] & S5_P2_BKP_MASK) >> S5_P2_BKP_SHIFT; + p2[6] = (calib[5] & S6_P2_BKP_MASK); + p2[7] = (calib[5] & S7_P2_BKP_MASK) >> S7_P2_BKP_SHIFT; + p2[8] = (calib[5] & S8_P2_BKP_MASK) >> S8_P2_BKP_SHIFT; + p2[9] = (calib[5] & S9_P2_BKP_MASK) >> S9_P2_BKP_SHIFT; + p2[10] = (calib[5] & S10_P2_BKP_MASK) >> S10_P2_BKP_SHIFT; + /* Fall through */ + case ONE_PT_CALIB: + case ONE_PT_CALIB2: + base1 = bkp[0] & BASE1_MASK; + p1[0] = (bkp[0] & S0_P1_MASK) >> S0_P1_SHIFT; + p1[1] = (bkp[0] & S1_P1_MASK) >> S1_P1_SHIFT; + p1[2] = (bkp[0] & S2_P1_MASK) >> S2_P1_SHIFT; + p1[3] = (bkp[0] & S3_P1_MASK) >> S3_P1_SHIFT; + p1[4] = (bkp[1] & S4_P1_MASK); + p1[5] = (bkp[1] & S5_P1_MASK) >> S5_P1_SHIFT; + p1[6] = (bkp[1] & S6_P1_MASK) >> S6_P1_SHIFT; + p1[7] = (bkp[1] & S7_P1_MASK) >> S7_P1_SHIFT; + p1[8] = (bkp[2] & S8_P1_MASK_BKP) >> S8_P1_SHIFT; + p1[9] = (bkp[2] & S9_P1_MASK_BKP) >> S9_P1_BKP_SHIFT; + p1[10] = (bkp[2] & S10_P1_MASK_BKP) >> S10_P1_BKP_SHIFT; + break; + } + } else { + mode = (calib[1] & CAL_SEL_0_1) >> CAL_SEL_SHIFT; + mode |= (calib[3] & CAL_SEL_2) >> CAL_SEL_SHIFT_2; + + switch (mode) { + case TWO_PT_CALIB: + base2 = (calib[2] & BASE2_MASK) >> BASE2_SHIFT; + p2[0] = (calib[2] & S0_P2_MASK) >> S0_P2_SHIFT; + p2[1] = (calib[2] & S1_P2_MASK) >> S1_P2_SHIFT; + p2[2] = (calib[3] & S2_P2_MASK); + p2[3] = (calib[3] & S3_P2_MASK) >> S3_P2_SHIFT; + p2[4] = (calib[3] & S4_P2_MASK) >> S4_P2_SHIFT; + p2[5] = (calib[3] & S5_P2_MASK) >> S5_P2_SHIFT; + p2[6] = (calib[3] & S6_P2_MASK) >> S6_P2_SHIFT; + p2[7] = (calib[4] & S7_P2_MASK); + p2[8] = (calib[4] & S8_P2_MASK) >> S8_P2_SHIFT; + p2[9] = (calib[4] & S9_P2_MASK) >> S9_P2_SHIFT; + p2[10] = (calib[4] & S10_P2_MASK) >> S10_P2_SHIFT; + /* Fall through */ + case ONE_PT_CALIB: + case ONE_PT_CALIB2: + base1 = calib[0] & BASE1_MASK; + p1[0] = (calib[0] & S0_P1_MASK) >> S0_P1_SHIFT; + p1[1] = (calib[0] & S1_P1_MASK) >> S1_P1_SHIFT; + p1[2] = (calib[0] & S2_P1_MASK) >> S2_P1_SHIFT; + p1[3] = (calib[0] & S3_P1_MASK) >> S3_P1_SHIFT; + p1[4] = (calib[1] & S4_P1_MASK); + p1[5] = (calib[1] & S5_P1_MASK) >> S5_P1_SHIFT; + p1[6] = (calib[1] & S6_P1_MASK) >> S6_P1_SHIFT; + p1[7] = (calib[1] & S7_P1_MASK) >> S7_P1_SHIFT; + p1[8] = (calib[1] & S8_P1_MASK) >> S8_P1_SHIFT; + p1[9] = (calib[2] & S9_P1_MASK); + p1[10] = (calib[2] & S10_P1_MASK) >> S10_P1_SHIFT; + break; + } + } + + switch (mode) { + case ONE_PT_CALIB: + for (i = 0; i < tmdev->num_sensors; i++) + p1[i] += (base1 << 2) | BIT_APPEND; + break; + case TWO_PT_CALIB: + for (i = 0; i < tmdev->num_sensors; i++) { + p2[i] += base2; + p2[i] <<= 2; + p2[i] |= BIT_APPEND; + } + /* Fall through */ + case ONE_PT_CALIB2: + for (i = 0; i < tmdev->num_sensors; i++) { + p1[i] += base1; + p1[i] <<= 2; + p1[i] |= BIT_APPEND; + } + break; + default: + for (i = 0; i < tmdev->num_sensors; i++) + p2[i] = 780; + p1[0] = 502; + p1[1] = 509; + p1[2] = 503; + p1[3] = 509; + p1[4] = 505; + p1[5] = 509; + p1[6] = 507; + p1[7] = 510; + p1[8] = 508; + p1[9] = 509; + p1[10] = 508; + break; + } + + compute_intercept_slope(tmdev, p1, p2, mode); + + return 0; +} + +const struct tsens_ops ops_8974 = { + .init = init_common, + .calibrate = calibrate_8974, + .get_temp = get_temp_common, +}; diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c index 3d49293..06ed0c6 100644 --- a/drivers/thermal/qcom/tsens.c +++ b/drivers/thermal/qcom/tsens.c @@ -68,6 +68,7 @@ static const struct of_device_id tsens_table[] = { .data = &ops_8916, }, { .compatible = "qcom,msm8974-tsens", + .data = &ops_8974, }, {} }; diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h index 0923822..00183db 100644 --- a/drivers/thermal/qcom/tsens.h +++ b/drivers/thermal/qcom/tsens.h @@ -64,6 +64,6 @@ void compute_intercept_slope(struct tsens_device *, u32 *, u32 *, u32); int init_common(struct tsens_device *); int get_temp_common(struct tsens_device *, int, int *); -extern const struct tsens_ops ops_8916; +extern const struct tsens_ops ops_8916, ops_8974; #endif /* __QCOM_TSENS_H__ */