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fef6a96d9e
Allows to check cpu temperature. Huge thanks to @hnyman for valuable assistance! Signed-off-by: Pavel Kubelun <be.dissent@gmail.com>
294 lines
8.8 KiB
Diff
294 lines
8.8 KiB
Diff
From 5e6703bd2d83548998848865cb9a9a795f31a311 Mon Sep 17 00:00:00 2001
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From: Rajendra Nayak <rnayak@codeaurora.org>
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Date: Thu, 5 May 2016 14:21:41 +0530
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Subject: thermal: qcom: tsens-8974: Add support for 8974 family of SoCs
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Add .calibrate support for 8974 family as part of tsens_ops.
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Based on the original code by Siddartha Mohanadoss and Stephen Boyd.
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Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
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Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
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Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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---
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drivers/thermal/qcom/Makefile | 2 +-
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drivers/thermal/qcom/tsens-8974.c | 244 ++++++++++++++++++++++++++++++++++++++
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drivers/thermal/qcom/tsens.c | 1 +
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drivers/thermal/qcom/tsens.h | 2 +-
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4 files changed, 247 insertions(+), 2 deletions(-)
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create mode 100644 drivers/thermal/qcom/tsens-8974.c
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--- a/drivers/thermal/qcom/Makefile
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+++ b/drivers/thermal/qcom/Makefile
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@@ -1,2 +1,2 @@
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obj-$(CONFIG_QCOM_TSENS) += qcom_tsens.o
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-qcom_tsens-y += tsens.o tsens-common.o tsens-8916.o
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+qcom_tsens-y += tsens.o tsens-common.o tsens-8916.o tsens-8974.o
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--- /dev/null
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+++ b/drivers/thermal/qcom/tsens-8974.c
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@@ -0,0 +1,244 @@
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+/*
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+ * Copyright (c) 2015, The Linux Foundation. All rights reserved.
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2 and
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+ * only version 2 as published by the Free Software Foundation.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ */
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+
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+#include <linux/platform_device.h>
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+#include "tsens.h"
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+
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+/* eeprom layout data for 8974 */
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+#define BASE1_MASK 0xff
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+#define S0_P1_MASK 0x3f00
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+#define S1_P1_MASK 0xfc000
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+#define S2_P1_MASK 0x3f00000
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+#define S3_P1_MASK 0xfc000000
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+#define S4_P1_MASK 0x3f
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+#define S5_P1_MASK 0xfc0
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+#define S6_P1_MASK 0x3f000
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+#define S7_P1_MASK 0xfc0000
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+#define S8_P1_MASK 0x3f000000
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+#define S8_P1_MASK_BKP 0x3f
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+#define S9_P1_MASK 0x3f
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+#define S9_P1_MASK_BKP 0xfc0
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+#define S10_P1_MASK 0xfc0
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+#define S10_P1_MASK_BKP 0x3f000
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+#define CAL_SEL_0_1 0xc0000000
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+#define CAL_SEL_2 0x40000000
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+#define CAL_SEL_SHIFT 30
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+#define CAL_SEL_SHIFT_2 28
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+
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+#define S0_P1_SHIFT 8
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+#define S1_P1_SHIFT 14
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+#define S2_P1_SHIFT 20
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+#define S3_P1_SHIFT 26
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+#define S5_P1_SHIFT 6
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+#define S6_P1_SHIFT 12
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+#define S7_P1_SHIFT 18
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+#define S8_P1_SHIFT 24
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+#define S9_P1_BKP_SHIFT 6
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+#define S10_P1_SHIFT 6
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+#define S10_P1_BKP_SHIFT 12
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+
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+#define BASE2_SHIFT 12
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+#define BASE2_BKP_SHIFT 18
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+#define S0_P2_SHIFT 20
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+#define S0_P2_BKP_SHIFT 26
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+#define S1_P2_SHIFT 26
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+#define S2_P2_BKP_SHIFT 6
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+#define S3_P2_SHIFT 6
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+#define S3_P2_BKP_SHIFT 12
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+#define S4_P2_SHIFT 12
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+#define S4_P2_BKP_SHIFT 18
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+#define S5_P2_SHIFT 18
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+#define S5_P2_BKP_SHIFT 24
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+#define S6_P2_SHIFT 24
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+#define S7_P2_BKP_SHIFT 6
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+#define S8_P2_SHIFT 6
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+#define S8_P2_BKP_SHIFT 12
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+#define S9_P2_SHIFT 12
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+#define S9_P2_BKP_SHIFT 18
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+#define S10_P2_SHIFT 18
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+#define S10_P2_BKP_SHIFT 24
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+
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+#define BASE2_MASK 0xff000
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+#define BASE2_BKP_MASK 0xfc0000
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+#define S0_P2_MASK 0x3f00000
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+#define S0_P2_BKP_MASK 0xfc000000
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+#define S1_P2_MASK 0xfc000000
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+#define S1_P2_BKP_MASK 0x3f
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+#define S2_P2_MASK 0x3f
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+#define S2_P2_BKP_MASK 0xfc0
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+#define S3_P2_MASK 0xfc0
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+#define S3_P2_BKP_MASK 0x3f000
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+#define S4_P2_MASK 0x3f000
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+#define S4_P2_BKP_MASK 0xfc0000
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+#define S5_P2_MASK 0xfc0000
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+#define S5_P2_BKP_MASK 0x3f000000
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+#define S6_P2_MASK 0x3f000000
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+#define S6_P2_BKP_MASK 0x3f
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+#define S7_P2_MASK 0x3f
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+#define S7_P2_BKP_MASK 0xfc0
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+#define S8_P2_MASK 0xfc0
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+#define S8_P2_BKP_MASK 0x3f000
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+#define S9_P2_MASK 0x3f000
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+#define S9_P2_BKP_MASK 0xfc0000
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+#define S10_P2_MASK 0xfc0000
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+#define S10_P2_BKP_MASK 0x3f000000
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+
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+#define BKP_SEL 0x3
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+#define BKP_REDUN_SEL 0xe0000000
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+#define BKP_REDUN_SHIFT 29
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+
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+#define BIT_APPEND 0x3
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+
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+static int calibrate_8974(struct tsens_device *tmdev)
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+{
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+ int base1 = 0, base2 = 0, i;
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+ u32 p1[11], p2[11];
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+ int mode = 0;
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+ u32 *calib, *bkp;
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+ u32 calib_redun_sel;
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+
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+ calib = (u32 *)qfprom_read(tmdev->dev, "calib");
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+ if (IS_ERR(calib))
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+ return PTR_ERR(calib);
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+
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+ bkp = (u32 *)qfprom_read(tmdev->dev, "calib_backup");
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+ if (IS_ERR(bkp))
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+ return PTR_ERR(bkp);
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+
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+ calib_redun_sel = bkp[1] & BKP_REDUN_SEL;
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+ calib_redun_sel >>= BKP_REDUN_SHIFT;
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+
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+ if (calib_redun_sel == BKP_SEL) {
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+ mode = (calib[4] & CAL_SEL_0_1) >> CAL_SEL_SHIFT;
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+ mode |= (calib[5] & CAL_SEL_2) >> CAL_SEL_SHIFT_2;
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+
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+ switch (mode) {
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+ case TWO_PT_CALIB:
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+ base2 = (bkp[2] & BASE2_BKP_MASK) >> BASE2_BKP_SHIFT;
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+ p2[0] = (bkp[2] & S0_P2_BKP_MASK) >> S0_P2_BKP_SHIFT;
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+ p2[1] = (bkp[3] & S1_P2_BKP_MASK);
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+ p2[2] = (bkp[3] & S2_P2_BKP_MASK) >> S2_P2_BKP_SHIFT;
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+ p2[3] = (bkp[3] & S3_P2_BKP_MASK) >> S3_P2_BKP_SHIFT;
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+ p2[4] = (bkp[3] & S4_P2_BKP_MASK) >> S4_P2_BKP_SHIFT;
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+ p2[5] = (calib[4] & S5_P2_BKP_MASK) >> S5_P2_BKP_SHIFT;
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+ p2[6] = (calib[5] & S6_P2_BKP_MASK);
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+ p2[7] = (calib[5] & S7_P2_BKP_MASK) >> S7_P2_BKP_SHIFT;
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+ p2[8] = (calib[5] & S8_P2_BKP_MASK) >> S8_P2_BKP_SHIFT;
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+ p2[9] = (calib[5] & S9_P2_BKP_MASK) >> S9_P2_BKP_SHIFT;
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+ p2[10] = (calib[5] & S10_P2_BKP_MASK) >> S10_P2_BKP_SHIFT;
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+ /* Fall through */
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+ case ONE_PT_CALIB:
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+ case ONE_PT_CALIB2:
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+ base1 = bkp[0] & BASE1_MASK;
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+ p1[0] = (bkp[0] & S0_P1_MASK) >> S0_P1_SHIFT;
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+ p1[1] = (bkp[0] & S1_P1_MASK) >> S1_P1_SHIFT;
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+ p1[2] = (bkp[0] & S2_P1_MASK) >> S2_P1_SHIFT;
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+ p1[3] = (bkp[0] & S3_P1_MASK) >> S3_P1_SHIFT;
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+ p1[4] = (bkp[1] & S4_P1_MASK);
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+ p1[5] = (bkp[1] & S5_P1_MASK) >> S5_P1_SHIFT;
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+ p1[6] = (bkp[1] & S6_P1_MASK) >> S6_P1_SHIFT;
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+ p1[7] = (bkp[1] & S7_P1_MASK) >> S7_P1_SHIFT;
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+ p1[8] = (bkp[2] & S8_P1_MASK_BKP) >> S8_P1_SHIFT;
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+ p1[9] = (bkp[2] & S9_P1_MASK_BKP) >> S9_P1_BKP_SHIFT;
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+ p1[10] = (bkp[2] & S10_P1_MASK_BKP) >> S10_P1_BKP_SHIFT;
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+ break;
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+ }
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+ } else {
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+ mode = (calib[1] & CAL_SEL_0_1) >> CAL_SEL_SHIFT;
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+ mode |= (calib[3] & CAL_SEL_2) >> CAL_SEL_SHIFT_2;
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+
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+ switch (mode) {
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+ case TWO_PT_CALIB:
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+ base2 = (calib[2] & BASE2_MASK) >> BASE2_SHIFT;
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+ p2[0] = (calib[2] & S0_P2_MASK) >> S0_P2_SHIFT;
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+ p2[1] = (calib[2] & S1_P2_MASK) >> S1_P2_SHIFT;
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+ p2[2] = (calib[3] & S2_P2_MASK);
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+ p2[3] = (calib[3] & S3_P2_MASK) >> S3_P2_SHIFT;
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+ p2[4] = (calib[3] & S4_P2_MASK) >> S4_P2_SHIFT;
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+ p2[5] = (calib[3] & S5_P2_MASK) >> S5_P2_SHIFT;
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+ p2[6] = (calib[3] & S6_P2_MASK) >> S6_P2_SHIFT;
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+ p2[7] = (calib[4] & S7_P2_MASK);
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+ p2[8] = (calib[4] & S8_P2_MASK) >> S8_P2_SHIFT;
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+ p2[9] = (calib[4] & S9_P2_MASK) >> S9_P2_SHIFT;
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+ p2[10] = (calib[4] & S10_P2_MASK) >> S10_P2_SHIFT;
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+ /* Fall through */
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+ case ONE_PT_CALIB:
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+ case ONE_PT_CALIB2:
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+ base1 = calib[0] & BASE1_MASK;
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+ p1[0] = (calib[0] & S0_P1_MASK) >> S0_P1_SHIFT;
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+ p1[1] = (calib[0] & S1_P1_MASK) >> S1_P1_SHIFT;
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+ p1[2] = (calib[0] & S2_P1_MASK) >> S2_P1_SHIFT;
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+ p1[3] = (calib[0] & S3_P1_MASK) >> S3_P1_SHIFT;
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+ p1[4] = (calib[1] & S4_P1_MASK);
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+ p1[5] = (calib[1] & S5_P1_MASK) >> S5_P1_SHIFT;
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+ p1[6] = (calib[1] & S6_P1_MASK) >> S6_P1_SHIFT;
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+ p1[7] = (calib[1] & S7_P1_MASK) >> S7_P1_SHIFT;
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+ p1[8] = (calib[1] & S8_P1_MASK) >> S8_P1_SHIFT;
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+ p1[9] = (calib[2] & S9_P1_MASK);
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+ p1[10] = (calib[2] & S10_P1_MASK) >> S10_P1_SHIFT;
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+ break;
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+ }
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+ }
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+
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+ switch (mode) {
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+ case ONE_PT_CALIB:
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+ for (i = 0; i < tmdev->num_sensors; i++)
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+ p1[i] += (base1 << 2) | BIT_APPEND;
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+ break;
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+ case TWO_PT_CALIB:
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+ for (i = 0; i < tmdev->num_sensors; i++) {
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+ p2[i] += base2;
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+ p2[i] <<= 2;
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+ p2[i] |= BIT_APPEND;
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+ }
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+ /* Fall through */
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+ case ONE_PT_CALIB2:
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+ for (i = 0; i < tmdev->num_sensors; i++) {
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+ p1[i] += base1;
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+ p1[i] <<= 2;
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+ p1[i] |= BIT_APPEND;
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+ }
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+ break;
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+ default:
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+ for (i = 0; i < tmdev->num_sensors; i++)
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+ p2[i] = 780;
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+ p1[0] = 502;
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+ p1[1] = 509;
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+ p1[2] = 503;
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+ p1[3] = 509;
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+ p1[4] = 505;
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+ p1[5] = 509;
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+ p1[6] = 507;
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+ p1[7] = 510;
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+ p1[8] = 508;
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+ p1[9] = 509;
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+ p1[10] = 508;
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+ break;
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+ }
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+
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+ compute_intercept_slope(tmdev, p1, p2, mode);
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+
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+ return 0;
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+}
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+
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+const struct tsens_ops ops_8974 = {
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+ .init = init_common,
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+ .calibrate = calibrate_8974,
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+ .get_temp = get_temp_common,
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+};
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+
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+const struct tsens_data data_8974 = {
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+ .num_sensors = 11,
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+ .ops = &ops_8974,
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+};
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--- a/drivers/thermal/qcom/tsens.c
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+++ b/drivers/thermal/qcom/tsens.c
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@@ -68,6 +68,7 @@ static const struct of_device_id tsens_t
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.data = &data_8916,
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}, {
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.compatible = "qcom,msm8974-tsens",
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+ .data = &data_8974,
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},
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{}
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};
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--- a/drivers/thermal/qcom/tsens.h
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+++ b/drivers/thermal/qcom/tsens.h
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@@ -87,6 +87,6 @@ void compute_intercept_slope(struct tsen
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int init_common(struct tsens_device *);
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int get_temp_common(struct tsens_device *, int, int *);
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-extern const struct tsens_data data_8916;
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+extern const struct tsens_data data_8916, data_8974;
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#endif /* __QCOM_TSENS_H__ */
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