| /Linux-v5.15/drivers/thermal/ |
| D | thermal_of.c | 25 * struct __thermal_cooling_bind_param - a cooling device for a trip point
27 * @min: minimum cooling state used at this trip point
28 * @max: maximum cooling state used at this trip point
38 * struct __thermal_bind_param - a match between trip and cooling device
41 * @trip_id: the trip point index
58 * @ntrips: number of trip points
59 * @trips: an array of trip points (0..ntrips - 1)
72 /* trip data */
110 * of_thermal_get_ntrips - function to export number of available trip
114 * This function is a globally visible wrapper to get number of trip points
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| D | gov_step_wise.c | 19 * If the temperature is higher than a trip point,
21 * state for this trip point
24 * for this trip point
26 * for this trip point
27 * If the temperature is lower than a trip point,
30 * state for this trip point, if the cooling state already
116 static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip) in thermal_zone_trip_update() argument
125 tz->ops->get_trip_temp(tz, trip, &trip_temp); in thermal_zone_trip_update()
126 tz->ops->get_trip_type(tz, trip, &trip_type); in thermal_zone_trip_update()
128 trend = get_tz_trend(tz, trip); in thermal_zone_trip_update()
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| D | Kconfig | 12 Each thermal zone contains its own temperature, trip points,
26 trip point crossed, cooling device update or governor
45 poweroff kicks in. Similarly to the critical trip point,
80 bool "Enable writable trip points"
83 trip temperatures can be changed from userspace. The
88 change trip temperatures.
213 user can manually input temperature and test the different trip
240 CPUs when the passive trip is crossed.
250 It supports one critical trip point and one passive trip point. The
252 passive trip is crossed.
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| D | gov_fair_share.c | 19 * get_trip_level: - obtains the current trip level for a zone
38 * count > 0 only if temperature is greater than first trip in get_trip_level()
62 * @trip: trip point index
73 * We do not want to throttle too much when we trip a lower temperature,
74 * whereas the throttling is at full swing if we trip critical levels.
75 * (Heavily assumes the trip points are in ascending order)
78 static int fair_share_throttle(struct thermal_zone_device *tz, int trip) in fair_share_throttle() argument
88 if (instance->trip != trip) in fair_share_throttle()
99 if (instance->trip != trip) in fair_share_throttle()
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| D | gov_bang_bang.c | 16 static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip) in thermal_zone_trip_update() argument
21 tz->ops->get_trip_temp(tz, trip, &trip_temp); in thermal_zone_trip_update()
28 tz->ops->get_trip_hyst(tz, trip, &trip_hyst); in thermal_zone_trip_update()
30 dev_dbg(&tz->device, "Trip%d[temp=%d]:temp=%d:hyst=%d\n", in thermal_zone_trip_update()
31 trip, trip_temp, tz->temperature, in thermal_zone_trip_update()
37 if (instance->trip != trip) in thermal_zone_trip_update()
75 * @trip: the trip point
99 static int bang_bang_control(struct thermal_zone_device *tz, int trip) in bang_bang_control() argument
103 thermal_zone_trip_update(tz, trip); in bang_bang_control()
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| D | thermal_core.h | 73 * @np: pointer to struct device_node that this trip point was created from
76 * @type: trip point type
85 int get_tz_trend(struct thermal_zone_device *tz, int trip);
90 int trip);
94 * a certain cooling device on a certain trip point
102 int trip; member
104 unsigned long upper; /* Highest cooling state for this trip point */
105 unsigned long lower; /* Lowest cooling state for this trip point */
165 int trip) in of_thermal_is_trip_valid() argument
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| D | thermal_sysfs.c | 83 int trip, result; in trip_point_type_show() local
88 if (sscanf(attr->attr.name, "trip_point_%d_type", &trip) != 1) in trip_point_type_show()
91 result = tz->ops->get_trip_type(tz, trip, &type); in trip_point_type_show()
114 int trip, ret; in trip_point_temp_store() local
121 if (sscanf(attr->attr.name, "trip_point_%d_temp", &trip) != 1) in trip_point_temp_store()
127 ret = tz->ops->set_trip_temp(tz, trip, temperature); in trip_point_temp_store()
132 ret = tz->ops->get_trip_hyst(tz, trip, &hyst); in trip_point_temp_store()
137 ret = tz->ops->get_trip_type(tz, trip, &type); in trip_point_temp_store()
141 thermal_notify_tz_trip_change(tz->id, trip, type, temperature, hyst); in trip_point_temp_store()
153 int trip, ret; in trip_point_temp_show() local
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| D | thermal_core.c | 286 * - Critical trip point will cause a system shutdown.
321 static void handle_non_critical_trips(struct thermal_zone_device *tz, int trip) in handle_non_critical_trips() argument
323 tz->governor ? tz->governor->throttle(tz, trip) : in handle_non_critical_trips()
324 def_governor->throttle(tz, trip); in handle_non_critical_trips()
343 int trip, enum thermal_trip_type trip_type) in handle_critical_trips() argument
347 tz->ops->get_trip_temp(tz, trip, &trip_temp); in handle_critical_trips()
353 trace_thermal_zone_trip(tz, trip, trip_type); in handle_critical_trips()
361 static void handle_thermal_trip(struct thermal_zone_device *tz, int trip) in handle_thermal_trip() argument
366 /* Ignore disabled trip points */ in handle_thermal_trip()
367 if (test_bit(trip, &tz->trips_disabled)) in handle_thermal_trip()
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| D | gov_power_allocator.c | 59 * @trip_switch_on: first passive trip point of the thermal zone. The
60 * governor switches on when this trip point is crossed.
61 * If the thermal zone only has one passive trip point,
63 * @trip_max_desired_temperature: last passive trip point of the thermal
99 if (instance->trip != params->trip_max_desired_temperature) in estimate_sustainable_power()
118 * @trip_switch_on: trip point number for the switch on temperature
142 * passive trip points at the same temperature, that person in estimate_pid_constants()
400 if ((instance->trip == trip_max_desired_temperature) && in allocate_power()
443 if (instance->trip != trip_max_desired_temperature) in allocate_power()
479 if (instance->trip != trip_max_desired_temperature) in allocate_power()
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| /Linux-v5.15/drivers/net/ethernet/mellanox/mlxsw/ |
| D | core_thermal.c | 173 * defined with three trip points. The critical and emergency in mlxsw_thermal_module_trips_update()
175 * and "hot" trip points, "normal" trip point is derived from "active" in mlxsw_thermal_module_trips_update()
194 struct mlxsw_thermal_trip *trip = trips; in mlxsw_thermal_tz_score_update() local
202 i++, trip++) { in mlxsw_thermal_tz_score_update()
203 if (temp < trip->temp) { in mlxsw_thermal_tz_score_update()
204 delta = DIV_ROUND_CLOSEST(temp, trip->temp - temp); in mlxsw_thermal_tz_score_update()
229 const struct mlxsw_thermal_trip *trip = &thermal->trips[i]; in mlxsw_thermal_bind() local
232 trip->max_state, in mlxsw_thermal_bind()
233 trip->min_state, in mlxsw_thermal_bind()
236 dev_err(dev, "Failed to bind cooling device to trip %d\n", i); in mlxsw_thermal_bind()
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| /Linux-v5.15/drivers/thermal/intel/int340x_thermal/ |
| D | int340x_thermal_zone.c | 44 int trip, int *temp) in int340x_thermal_get_trip_temp() argument
50 return d->override_ops->get_trip_temp(zone, trip, temp); in int340x_thermal_get_trip_temp()
52 if (trip < d->aux_trip_nr) in int340x_thermal_get_trip_temp()
53 *temp = d->aux_trips[trip]; in int340x_thermal_get_trip_temp()
54 else if (trip == d->crt_trip_id) in int340x_thermal_get_trip_temp()
56 else if (trip == d->psv_trip_id) in int340x_thermal_get_trip_temp()
58 else if (trip == d->hot_trip_id) in int340x_thermal_get_trip_temp()
63 d->act_trips[i].id == trip) { in int340x_thermal_get_trip_temp()
76 int trip, in int340x_thermal_get_trip_type() argument
83 return d->override_ops->get_trip_type(zone, trip, type); in int340x_thermal_get_trip_type()
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| /Linux-v5.15/drivers/thermal/intel/ |
| D | intel_quark_dts_thermal.c | 82 /* Programmable Trip Point Register is configured via QRK_MBI_UNIT_RMU */
93 /* Quark DTS has 2 trip points: hot & catastrophic */
95 /* If DTS not locked, all trip points are configurable */
97 /* If DTS locked, all trip points are not configurable */
114 "Polling interval for checking trip points (in milliseconds)");
175 static int _get_trip_temp(int trip, int *temp) in _get_trip_temp() argument
189 * Thermal Sensor Programmable Trip Point Register has 8-bit in _get_trip_temp()
190 * fields for critical (catastrophic) and hot set trip point in _get_trip_temp()
194 *temp = (out >> (trip * QRK_DTS_SHIFT_TP)) & QRK_DTS_MASK_TP_THRES; in _get_trip_temp()
201 int trip, int *temp) in sys_get_trip_temp() argument
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| D | Kconfig | 24 two trip points which can be set by user to get notifications via thermal
46 thermal zone. There are two trip points. One of the trip point can
48 notification methods.The other trip is a critical trip point, which
57 The DTS will be registered as a thermal zone. There are two trip points:
58 hot & critical. The critical trip point default value is set by
72 the alert trip point interrupts and notifies the thermal framework with
73 the trip point and temperature details of the zone.
81 programmable trip points and other information.
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| /Linux-v5.15/Documentation/devicetree/bindings/thermal/ |
| D | thermal-zones.yaml | 35 max dT/dt, such that a device does not cross several trip boundaries
57 this zone, one sub-node containing the various trip points for this
124 An integer expressing the trip temperature in millicelsius.
130 respect to the trip temperature property above, also in
133 (trip temperature - hysteresis). This potentially prevents a
134 situation where the trip gets constantly triggered soon after
145 There are four valid trip types: active, passive, hot,
148 The critical trip type is used to set the maximum
154 The hot trip type can be used to send a notification to
158 The passive trip type can be used to slow down HW e.g. run
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| D | db8500-thermal.txt | 9 - num-trips : number of total trip points, this is required, set it 0 if none,
11 - tripN-temp : temperature of trip point N, should be in ascending order;
12 - tripN-type : type of trip point N, should be one of "active" "passive" "hot"
14 - tripN-cdev-num : number of the cooling devices which can be bound to trip
15 point N, this is required if trip point N is defined, set it 0 if none,
17 - tripN-cdev-nameM : name of the No. M cooling device of trip point N;
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| /Linux-v5.15/arch/arm/boot/dts/ |
| D | exynos5422-odroidxu3-common.dtsi | 78 * Exynos542x supports only 4 trip-points
81 * interrupt-driven trip: cpu0_alert2
96 trip = <&cpu0_alert0>;
100 trip = <&cpu0_alert1>;
104 trip = <&cpu0_alert2>;
113 trip = <&cpu0_alert3>;
129 trip = <&cpu0_alert4>;
179 trip = <&cpu1_alert0>;
183 trip = <&cpu1_alert1>;
187 trip = <&cpu1_alert2>;
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| D | exynos5422-odroidhc1.dts | 58 trip = <&cpu0_alert0>;
74 trip = <&cpu0_alert1>;
107 trip = <&cpu1_alert0>;
118 trip = <&cpu1_alert1>;
151 trip = <&cpu2_alert0>;
162 trip = <&cpu2_alert1>;
195 trip = <&cpu3_alert0>;
206 trip = <&cpu3_alert1>;
239 trip = <&gpu_alert0>;
243 trip = <&gpu_alert1>;
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| /Linux-v5.15/Documentation/driver-api/thermal/ |
| D | sysfs-api.rst | 27 inputs from thermal zone attributes (the current temperature and trip point
55 the total number of trip points this thermal zone supports.
57 Bit string: If 'n'th bit is set, then trip point 'n' is writable.
70 set the trip points window. Whenever the current temperature
71 is updated, the trip points immediately below and above the
79 upon trip points so that user applications can take
84 get the type of certain trip point.
86 get the temperature above which the certain trip point
98 whether trip points have been crossed (0 for interrupt driven systems).
260 int trip, struct thermal_cooling_device *cdev,
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| /Linux-v5.15/drivers/thermal/ti-soc-thermal/ |
| D | ti-thermal.h | 30 /* trip points of interest in milicelsius (at hotspot level) */
43 * ti_thermal_get_trip_value - returns trip temperature based on index
44 * @i: trip index
50 * ti_thermal_is_valid_trip - check for trip index
51 * @i: trip index
53 #define ti_thermal_is_valid_trip(trip) \ argument
54 ((trip) >= 0 && (trip) < OMAP_TRIP_NUMBER)
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| /Linux-v5.15/drivers/thermal/broadcom/ |
| D | brcmstb_thermal.c | 68 /* HW bit to enable the trip */
72 /* HW field to read the trip temperature */
180 struct avs_tmon_trip *trip = &avs_tmon_trips[type]; in avs_tmon_trip_enable() local
181 u32 val = __raw_readl(priv->tmon_base + trip->enable_offs); in avs_tmon_trip_enable()
183 dev_dbg(priv->dev, "%sable trip, type %d\n", en ? "en" : "dis", type); in avs_tmon_trip_enable()
186 val |= trip->enable_mask; in avs_tmon_trip_enable()
188 val &= ~trip->enable_mask; in avs_tmon_trip_enable()
190 __raw_writel(val, priv->tmon_base + trip->enable_offs); in avs_tmon_trip_enable()
196 struct avs_tmon_trip *trip = &avs_tmon_trips[type]; in avs_tmon_get_trip_temp() local
197 u32 val = __raw_readl(priv->tmon_base + trip->reg_offs); in avs_tmon_get_trip_temp()
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| /Linux-v5.15/drivers/acpi/ |
| D | thermal.c | 52 MODULE_PARM_DESC(act, "Disable or override all lowest active trip points.");
56 MODULE_PARM_DESC(crt, "Disable or lower all critical trip points.");
72 MODULE_PARM_DESC(psv, "Disable or override all passive trip points.");
250 * 1.An invalid trip point becomes invalid or a valid trip point becomes invalid
259 "ACPI thermal trip point %s changed\n" \
404 break; /* disable all active trip points */ in acpi_thermal_trips_update()
422 * the next higher trip point in acpi_thermal_trips_update()
493 pr_warn(FW_BUG "No valid trip found\n"); in acpi_thermal_get_trip_points()
519 int trip, enum thermal_trip_type *type) in thermal_get_trip_type() argument
524 if (!tz || trip < 0) in thermal_get_trip_type()
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| /Linux-v5.15/arch/arm64/boot/dts/qcom/ |
| D | sm8350.dtsi | 1417 cpu0_alert0: trip-point0 {
1423 cpu0_alert1: trip-point1 {
1438 trip = <&cpu0_alert0>;
1445 trip = <&cpu0_alert1>;
1461 cpu1_alert0: trip-point0 {
1467 cpu1_alert1: trip-point1 {
1482 trip = <&cpu1_alert0>;
1489 trip = <&cpu1_alert1>;
1505 cpu2_alert0: trip-point0 {
1511 cpu2_alert1: trip-point1 {
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| /Linux-v5.15/arch/arm64/boot/dts/marvell/ |
| D | armada-8040-clearfog-gt-8k.dts | 118 ap_active: trip-active {
126 trip = <&ap_active>;
130 trip = <&ap_crit>;
139 cp0_active0: trip-active0 {
144 cp0_active1: trip-active1 {
149 cp0_active2: trip-active2 {
154 cp0_active3: trip-active3 {
162 trip = <&cp0_active0>;
166 trip = <&cp0_active1>;
170 trip = <&cp0_active2>;
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| /Linux-v5.15/include/linux/ |
| D | thermal.h | 51 THERMAL_TRIP_VIOLATED, /* TRIP Point violation */
52 THERMAL_TRIP_CHANGED, /* TRIP Point temperature changed */
111 * @trip_temp_attrs: attributes for trip points for sysfs: trip temperature
112 * @trip_type_attrs: attributes for trip points for sysfs: trip type
113 * @trip_hyst_attrs: attributes for trip points for sysfs: trip hysteresis
116 * @trips: number of trip points the thermal zone supports
121 * checking whether trip points have been crossed (0 for
128 * @passive: 1 if you've crossed a passive trip point, 0 otherwise.
130 trip point.
132 passive trip point.
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| /Linux-v5.15/drivers/thermal/samsung/ |
| D | exynos_tmu.c | 166 * @ntrip: number of supported trip points.
168 * @tmu_set_trip_temp: SoC specific method to set trip (rising threshold)
197 void (*tmu_set_trip_temp)(struct exynos_tmu_data *data, int trip,
199 void (*tmu_set_trip_hyst)(struct exynos_tmu_data *data, int trip,
270 "Cannot get trip points from device tree!\n"); in exynos_tmu_initialize()
278 "No CRITICAL trip point defined in device tree!\n"); in exynos_tmu_initialize()
284 "More trip points than supported by this TMU.\n"); in exynos_tmu_initialize()
286 "%d trip points should be configured in polling mode.\n", in exynos_tmu_initialize()
363 int trip, u8 temp) in exynos4210_tmu_set_trip_temp() argument
371 if (trip == 0) { in exynos4210_tmu_set_trip_temp()
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