From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- drivers/thermal/qcom/tsens.h | 96 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 drivers/thermal/qcom/tsens.h (limited to 'drivers/thermal/qcom/tsens.h') diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h new file mode 100644 index 000000000..14331eb45 --- /dev/null +++ b/drivers/thermal/qcom/tsens.h @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2015, The Linux Foundation. All rights reserved. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * 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. + */ +#ifndef __QCOM_TSENS_H__ +#define __QCOM_TSENS_H__ + +#define ONE_PT_CALIB 0x1 +#define ONE_PT_CALIB2 0x2 +#define TWO_PT_CALIB 0x3 + +#include + +struct tsens_device; + +struct tsens_sensor { + struct tsens_device *tmdev; + struct thermal_zone_device *tzd; + int offset; + int id; + int hw_id; + int slope; + u32 status; +}; + +/** + * struct tsens_ops - operations as supported by the tsens device + * @init: Function to initialize the tsens device + * @calibrate: Function to calibrate the tsens device + * @get_temp: Function which returns the temp in millidegC + * @enable: Function to enable (clocks/power) tsens device + * @disable: Function to disable the tsens device + * @suspend: Function to suspend the tsens device + * @resume: Function to resume the tsens device + * @get_trend: Function to get the thermal/temp trend + */ +struct tsens_ops { + /* mandatory callbacks */ + int (*init)(struct tsens_device *); + int (*calibrate)(struct tsens_device *); + int (*get_temp)(struct tsens_device *, int, int *); + /* optional callbacks */ + int (*enable)(struct tsens_device *, int); + void (*disable)(struct tsens_device *); + int (*suspend)(struct tsens_device *); + int (*resume)(struct tsens_device *); + int (*get_trend)(struct tsens_device *, int, enum thermal_trend *); +}; + +/** + * struct tsens_data - tsens instance specific data + * @num_sensors: Max number of sensors supported by platform + * @ops: operations the tsens instance supports + * @hw_ids: Subset of sensors ids supported by platform, if not the first n + */ +struct tsens_data { + const u32 num_sensors; + const struct tsens_ops *ops; + unsigned int *hw_ids; +}; + +/* Registers to be saved/restored across a context loss */ +struct tsens_context { + int threshold; + int control; +}; + +struct tsens_device { + struct device *dev; + u32 num_sensors; + struct regmap *map; + u32 tm_offset; + struct tsens_context ctx; + const struct tsens_ops *ops; + struct tsens_sensor sensor[0]; +}; + +char *qfprom_read(struct device *, const char *); +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 *); + +/* TSENS v1 targets */ +extern const struct tsens_data data_8916, data_8974, data_8960; +/* TSENS v2 targets */ +extern const struct tsens_data data_8996, data_tsens_v2; + +#endif /* __QCOM_TSENS_H__ */ -- cgit v1.2.3