mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-23 15:32:33 +00:00
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
|
|
From: Rajendra Nayak <rnayak@codeaurora.org>
|
|
Date: Thu, 5 May 2016 14:21:41 +0530
|
|
Subject: thermal: qcom: tsens-8974: Add support for 8974 family of SoCs
|
|
|
|
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 <rnayak@codeaurora.org>
|
|
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
|
|
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
|
|
---
|
|
drivers/thermal/qcom/Makefile | 2 +-
|
|
drivers/thermal/qcom/tsens-8974.c | 244 ++++++++++++++++++++++++++++++++++++++
|
|
drivers/thermal/qcom/tsens.c | 1 +
|
|
drivers/thermal/qcom/tsens.h | 2 +-
|
|
4 files changed, 247 insertions(+), 2 deletions(-)
|
|
create mode 100644 drivers/thermal/qcom/tsens-8974.c
|
|
|
|
--- 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
|
|
--- /dev/null
|
|
+++ b/drivers/thermal/qcom/tsens-8974.c
|
|
@@ -0,0 +1,244 @@
|
|
+/*
|
|
+ * 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 <linux/platform_device.h>
|
|
+#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,
|
|
+};
|
|
+
|
|
+const struct tsens_data data_8974 = {
|
|
+ .num_sensors = 11,
|
|
+ .ops = &ops_8974,
|
|
+};
|
|
--- a/drivers/thermal/qcom/tsens.c
|
|
+++ b/drivers/thermal/qcom/tsens.c
|
|
@@ -68,6 +68,7 @@ static const struct of_device_id tsens_t
|
|
.data = &data_8916,
|
|
}, {
|
|
.compatible = "qcom,msm8974-tsens",
|
|
+ .data = &data_8974,
|
|
},
|
|
{}
|
|
};
|
|
--- a/drivers/thermal/qcom/tsens.h
|
|
+++ b/drivers/thermal/qcom/tsens.h
|
|
@@ -87,6 +87,6 @@ void compute_intercept_slope(struct tsen
|
|
int init_common(struct tsens_device *);
|
|
int get_temp_common(struct tsens_device *, int, int *);
|
|
|
|
-extern const struct tsens_data data_8916;
|
|
+extern const struct tsens_data data_8916, data_8974;
|
|
|
|
#endif /* __QCOM_TSENS_H__ */
|