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authorLinus Torvalds <torvalds@linux-foundation.org>2020-08-06 18:10:55 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-08-06 18:10:55 -0700
commit96e3f3c16b7aedcd71502ccfc5778dddfc2e7b15 (patch)
tree26ca6eb47ec408e69e7225f41f784c58ec660c95 /include
parentMerge tag 'auxdisplay-for-linus-v5.9-rc1' of git://github.com/ojeda/linux (diff)
parentthermal: intel: intel_pch_thermal: Add Cannon Lake Low Power PCH support (diff)
downloadlinux-dev-96e3f3c16b7aedcd71502ccfc5778dddfc2e7b15.tar.xz
linux-dev-96e3f3c16b7aedcd71502ccfc5778dddfc2e7b15.zip
Merge tag 'thermal-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal updates from Daniel Lezcano: - Add support to enable/disable the thermal zones resulting on core code and drivers cleanup (Andrzej Pietrasiewicz) - Add generic netlink support for userspace notifications: events, temperature and discovery commands (Daniel Lezcano) - Fix redundant initialization for a ret variable (Colin Ian King) - Remove the clock cooling code as it is used nowhere (Amit Kucheria) - Add the rcar_gen3_thermal's r8a774e1 support (Marian-Cristian Rotariu) - Replace all references to thermal.txt in the documentation to the corresponding yaml files (Amit Kucheria) - Add maintainer entry for the IPA (Lukasz Luba) - Add support for MSM8939 for the tsens (Shawn Guo) - Update power allocator and devfreq cooling to SPDX licensing (Lukasz Luba) - Add Cannon Lake Low Power PCH support (Sumeet Pawnikar) - Add tsensor support for V2 mediatek thermal system (Henry Yen) - Fix thermal zone lookup by ID for the core code (Thierry Reding) * tag 'thermal-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (40 commits) thermal: intel: intel_pch_thermal: Add Cannon Lake Low Power PCH support thermal: mediatek: Add tsensor support for V2 thermal system thermal: mediatek: Prepare to add support for other platforms thermal: Update power allocator and devfreq cooling to SPDX licensing MAINTAINERS: update entry to thermal governors file name prefixing thermal: core: Add thermal zone enable/disable notification thermal: qcom: tsens-v0_1: Add support for MSM8939 dt-bindings: tsens: qcom: Document MSM8939 compatible thermal: core: Fix thermal zone lookup by ID thermal: int340x: processor_thermal: fix: update Jasper Lake PCI id thermal: imx8mm: Support module autoloading thermal: ti-soc-thermal: Fix reversed condition in ti_thermal_expose_sensor() MAINTAINERS: Add maintenance information for IPA thermal: rcar_gen3_thermal: Do not shadow thcode variable dt-bindings: thermal: Get rid of thermal.txt and replace references thermal: core: Move initialization after core initcall thermal: netlink: Improve the initcall ordering net: genetlink: Move initialization to core_initcall thermal: rcar_gen3_thermal: Add r8a774e1 support thermal/drivers/clock_cooling: Remove clock_cooling code ...
Diffstat (limited to 'include')
-rw-r--r--include/linux/clock_cooling.h57
-rw-r--r--include/linux/devfreq_cooling.h9
-rw-r--r--include/linux/thermal.h31
-rw-r--r--include/uapi/linux/thermal.h89
4 files changed, 84 insertions, 102 deletions
diff --git a/include/linux/clock_cooling.h b/include/linux/clock_cooling.h
deleted file mode 100644
index 4b0a69863656..000000000000
--- a/include/linux/clock_cooling.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * linux/include/linux/clock_cooling.h
- *
- * Copyright (C) 2014 Eduardo Valentin <edubezval@gmail.com>
- *
- * Copyright (C) 2013 Texas Instruments Inc.
- * Contact: Eduardo Valentin <eduardo.valentin@ti.com>
- *
- * Highly based on cpufreq_cooling.c.
- * Copyright (C) 2012 Samsung Electronics Co., Ltd(http://www.samsung.com)
- * Copyright (C) 2012 Amit Daniel <amit.kachhap@linaro.org>
- */
-
-#ifndef __CPU_COOLING_H__
-#define __CPU_COOLING_H__
-
-#include <linux/of.h>
-#include <linux/thermal.h>
-#include <linux/cpumask.h>
-
-#ifdef CONFIG_CLOCK_THERMAL
-/**
- * clock_cooling_register - function to create clock cooling device.
- * @dev: struct device pointer to the device used as clock cooling device.
- * @clock_name: string containing the clock used as cooling mechanism.
- */
-struct thermal_cooling_device *
-clock_cooling_register(struct device *dev, const char *clock_name);
-
-/**
- * clock_cooling_unregister - function to remove clock cooling device.
- * @cdev: thermal cooling device pointer.
- */
-void clock_cooling_unregister(struct thermal_cooling_device *cdev);
-
-unsigned long clock_cooling_get_level(struct thermal_cooling_device *cdev,
- unsigned long freq);
-#else /* !CONFIG_CLOCK_THERMAL */
-static inline struct thermal_cooling_device *
-clock_cooling_register(struct device *dev, const char *clock_name)
-{
- return NULL;
-}
-static inline
-void clock_cooling_unregister(struct thermal_cooling_device *cdev)
-{
-}
-static inline
-unsigned long clock_cooling_get_level(struct thermal_cooling_device *cdev,
- unsigned long freq)
-{
- return THERMAL_CSTATE_INVALID;
-}
-#endif /* CONFIG_CLOCK_THERMAL */
-
-#endif /* __CPU_COOLING_H__ */
diff --git a/include/linux/devfreq_cooling.h b/include/linux/devfreq_cooling.h
index 79a6e37a1d6f..9df2dfca68dd 100644
--- a/include/linux/devfreq_cooling.h
+++ b/include/linux/devfreq_cooling.h
@@ -1,17 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* devfreq_cooling: Thermal cooling device implementation for devices using
* devfreq
*
* Copyright (C) 2014-2015 ARM Limited
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether express or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#ifndef __DEVFREQ_COOLING_H__
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 216185bb3014..42ef807e5d84 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -37,18 +37,6 @@ struct thermal_cooling_device;
struct thermal_instance;
struct thermal_attr;
-enum thermal_device_mode {
- THERMAL_DEVICE_DISABLED = 0,
- THERMAL_DEVICE_ENABLED,
-};
-
-enum thermal_trip_type {
- THERMAL_TRIP_ACTIVE = 0,
- THERMAL_TRIP_PASSIVE,
- THERMAL_TRIP_HOT,
- THERMAL_TRIP_CRITICAL,
-};
-
enum thermal_trend {
THERMAL_TREND_STABLE, /* temperature is stable */
THERMAL_TREND_RAISING, /* temperature is raising */
@@ -76,9 +64,7 @@ struct thermal_zone_device_ops {
struct thermal_cooling_device *);
int (*get_temp) (struct thermal_zone_device *, int *);
int (*set_trips) (struct thermal_zone_device *, int, int);
- int (*get_mode) (struct thermal_zone_device *,
- enum thermal_device_mode *);
- int (*set_mode) (struct thermal_zone_device *,
+ int (*change_mode) (struct thermal_zone_device *,
enum thermal_device_mode);
int (*get_trip_type) (struct thermal_zone_device *, int,
enum thermal_trip_type *);
@@ -128,6 +114,7 @@ struct thermal_cooling_device {
* @trip_temp_attrs: attributes for trip points for sysfs: trip temperature
* @trip_type_attrs: attributes for trip points for sysfs: trip type
* @trip_hyst_attrs: attributes for trip points for sysfs: trip hysteresis
+ * @mode: current mode of this thermal zone
* @devdata: private pointer for device private data
* @trips: number of trip points the thermal zone supports
* @trips_disabled; bitmap for disabled trips
@@ -170,6 +157,7 @@ struct thermal_zone_device {
struct thermal_attr *trip_temp_attrs;
struct thermal_attr *trip_type_attrs;
struct thermal_attr *trip_hyst_attrs;
+ enum thermal_device_mode mode;
void *devdata;
int trips;
unsigned long trips_disabled; /* bitmap for disabled trips */
@@ -303,11 +291,6 @@ struct thermal_zone_params {
int offset;
};
-struct thermal_genl_event {
- u32 orig;
- enum events event;
-};
-
/**
* struct thermal_zone_of_device_ops - scallbacks for handling DT based zones
*
@@ -416,6 +399,8 @@ int thermal_zone_get_offset(struct thermal_zone_device *tz);
void thermal_cdev_update(struct thermal_cooling_device *);
void thermal_notify_framework(struct thermal_zone_device *, int);
+int thermal_zone_device_enable(struct thermal_zone_device *tz);
+int thermal_zone_device_disable(struct thermal_zone_device *tz);
#else
static inline struct thermal_zone_device *thermal_zone_device_register(
const char *type, int trips, int mask, void *devdata,
@@ -463,6 +448,12 @@ static inline void thermal_cdev_update(struct thermal_cooling_device *cdev)
static inline void thermal_notify_framework(struct thermal_zone_device *tz,
int trip)
{ }
+
+static inline int thermal_zone_device_enable(struct thermal_zone_device *tz)
+{ return -ENODEV; }
+
+static inline int thermal_zone_device_disable(struct thermal_zone_device *tz)
+{ return -ENODEV; }
#endif /* CONFIG_THERMAL */
#endif /* __THERMAL_H__ */
diff --git a/include/uapi/linux/thermal.h b/include/uapi/linux/thermal.h
index 96218378dda8..c105054cbb57 100644
--- a/include/uapi/linux/thermal.h
+++ b/include/uapi/linux/thermal.h
@@ -4,31 +4,86 @@
#define THERMAL_NAME_LENGTH 20
-/* Adding event notification support elements */
-#define THERMAL_GENL_FAMILY_NAME "thermal_event"
-#define THERMAL_GENL_VERSION 0x01
-#define THERMAL_GENL_MCAST_GROUP_NAME "thermal_mc_grp"
-
-/* Events supported by Thermal Netlink */
-enum events {
- THERMAL_AUX0,
- THERMAL_AUX1,
- THERMAL_CRITICAL,
- THERMAL_DEV_FAULT,
+enum thermal_device_mode {
+ THERMAL_DEVICE_DISABLED = 0,
+ THERMAL_DEVICE_ENABLED,
+};
+
+enum thermal_trip_type {
+ THERMAL_TRIP_ACTIVE = 0,
+ THERMAL_TRIP_PASSIVE,
+ THERMAL_TRIP_HOT,
+ THERMAL_TRIP_CRITICAL,
};
-/* attributes of thermal_genl_family */
-enum {
+/* Adding event notification support elements */
+#define THERMAL_GENL_FAMILY_NAME "thermal"
+#define THERMAL_GENL_VERSION 0x01
+#define THERMAL_GENL_SAMPLING_GROUP_NAME "sampling"
+#define THERMAL_GENL_EVENT_GROUP_NAME "event"
+
+/* Attributes of thermal_genl_family */
+enum thermal_genl_attr {
THERMAL_GENL_ATTR_UNSPEC,
- THERMAL_GENL_ATTR_EVENT,
+ THERMAL_GENL_ATTR_TZ,
+ THERMAL_GENL_ATTR_TZ_ID,
+ THERMAL_GENL_ATTR_TZ_TEMP,
+ THERMAL_GENL_ATTR_TZ_TRIP,
+ THERMAL_GENL_ATTR_TZ_TRIP_ID,
+ THERMAL_GENL_ATTR_TZ_TRIP_TYPE,
+ THERMAL_GENL_ATTR_TZ_TRIP_TEMP,
+ THERMAL_GENL_ATTR_TZ_TRIP_HYST,
+ THERMAL_GENL_ATTR_TZ_MODE,
+ THERMAL_GENL_ATTR_TZ_NAME,
+ THERMAL_GENL_ATTR_TZ_CDEV_WEIGHT,
+ THERMAL_GENL_ATTR_TZ_GOV,
+ THERMAL_GENL_ATTR_TZ_GOV_NAME,
+ THERMAL_GENL_ATTR_CDEV,
+ THERMAL_GENL_ATTR_CDEV_ID,
+ THERMAL_GENL_ATTR_CDEV_CUR_STATE,
+ THERMAL_GENL_ATTR_CDEV_MAX_STATE,
+ THERMAL_GENL_ATTR_CDEV_NAME,
+ THERMAL_GENL_ATTR_GOV_NAME,
+
__THERMAL_GENL_ATTR_MAX,
};
#define THERMAL_GENL_ATTR_MAX (__THERMAL_GENL_ATTR_MAX - 1)
-/* commands supported by the thermal_genl_family */
-enum {
+enum thermal_genl_sampling {
+ THERMAL_GENL_SAMPLING_TEMP,
+ __THERMAL_GENL_SAMPLING_MAX,
+};
+#define THERMAL_GENL_SAMPLING_MAX (__THERMAL_GENL_SAMPLING_MAX - 1)
+
+/* Events of thermal_genl_family */
+enum thermal_genl_event {
+ THERMAL_GENL_EVENT_UNSPEC,
+ THERMAL_GENL_EVENT_TZ_CREATE, /* Thermal zone creation */
+ THERMAL_GENL_EVENT_TZ_DELETE, /* Thermal zone deletion */
+ THERMAL_GENL_EVENT_TZ_DISABLE, /* Thermal zone disabed */
+ THERMAL_GENL_EVENT_TZ_ENABLE, /* Thermal zone enabled */
+ THERMAL_GENL_EVENT_TZ_TRIP_UP, /* Trip point crossed the way up */
+ THERMAL_GENL_EVENT_TZ_TRIP_DOWN, /* Trip point crossed the way down */
+ THERMAL_GENL_EVENT_TZ_TRIP_CHANGE, /* Trip point changed */
+ THERMAL_GENL_EVENT_TZ_TRIP_ADD, /* Trip point added */
+ THERMAL_GENL_EVENT_TZ_TRIP_DELETE, /* Trip point deleted */
+ THERMAL_GENL_EVENT_CDEV_ADD, /* Cdev bound to the thermal zone */
+ THERMAL_GENL_EVENT_CDEV_DELETE, /* Cdev unbound */
+ THERMAL_GENL_EVENT_CDEV_STATE_UPDATE, /* Cdev state updated */
+ THERMAL_GENL_EVENT_TZ_GOV_CHANGE, /* Governor policy changed */
+ __THERMAL_GENL_EVENT_MAX,
+};
+#define THERMAL_GENL_EVENT_MAX (__THERMAL_GENL_EVENT_MAX - 1)
+
+/* Commands supported by the thermal_genl_family */
+enum thermal_genl_cmd {
THERMAL_GENL_CMD_UNSPEC,
- THERMAL_GENL_CMD_EVENT,
+ THERMAL_GENL_CMD_TZ_GET_ID, /* List of thermal zones id */
+ THERMAL_GENL_CMD_TZ_GET_TRIP, /* List of thermal trips */
+ THERMAL_GENL_CMD_TZ_GET_TEMP, /* Get the thermal zone temperature */
+ THERMAL_GENL_CMD_TZ_GET_GOV, /* Get the thermal zone governor */
+ THERMAL_GENL_CMD_TZ_GET_MODE, /* Get the thermal zone mode */
+ THERMAL_GENL_CMD_CDEV_GET, /* List of cdev id */
__THERMAL_GENL_CMD_MAX,
};
#define THERMAL_GENL_CMD_MAX (__THERMAL_GENL_CMD_MAX - 1)