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/linux-5.19.10/drivers/macintosh/
Dwindfarm_fcu_controls.c80 struct wf_fcu_fan *fan = ct->priv; in wf_fcu_fan_release() local
82 kref_put(&fan->fcu_priv->ref, wf_fcu_release); in wf_fcu_fan_release()
83 kfree(fan); in wf_fcu_fan_release()
146 struct wf_fcu_fan *fan = ct->priv; in wf_fcu_fan_set_rpm() local
147 struct wf_fcu_priv *pv = fan->fcu_priv; in wf_fcu_fan_set_rpm()
151 if (value < fan->min) in wf_fcu_fan_set_rpm()
152 value = fan->min; in wf_fcu_fan_set_rpm()
153 if (value > fan->max) in wf_fcu_fan_set_rpm()
154 value = fan->max; in wf_fcu_fan_set_rpm()
156 fan->target = value; in wf_fcu_fan_set_rpm()
[all …]
Dtherm_windtunnel.c56 struct i2c_client *fan; member
157 write_reg( x.fan, 0x25, val, 1 ); in tune_fan()
158 write_reg( x.fan, 0x20, 0, 1 ); in tune_fan()
178 casetemp = read_reg(x.fan, 0x0b, 1) << 8; in poll_temp()
179 casetemp |= (read_reg(x.fan, 0x06, 1) & 0x7) << 5; in poll_temp()
214 x.r0 = read_reg( x.fan, 0x00, 1 ); in setup_hardware()
215 x.r1 = read_reg( x.fan, 0x01, 1 ); in setup_hardware()
216 x.r20 = read_reg( x.fan, 0x20, 1 ); in setup_hardware()
217 x.r23 = read_reg( x.fan, 0x23, 1 ); in setup_hardware()
218 x.r25 = read_reg( x.fan, 0x25, 1 ); in setup_hardware()
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/linux-5.19.10/drivers/gpu/drm/nouveau/nvkm/subdev/therm/
Dfantog.c39 nvkm_fantog_update(struct nvkm_fantog *fan, int percent) in nvkm_fantog_update() argument
41 struct nvkm_therm *therm = fan->base.parent; in nvkm_fantog_update()
48 spin_lock_irqsave(&fan->lock, flags); in nvkm_fantog_update()
50 percent = fan->percent; in nvkm_fantog_update()
51 fan->percent = percent; in nvkm_fantog_update()
57 u64 next_change = (percent * fan->period_us) / 100; in nvkm_fantog_update()
59 next_change = fan->period_us - next_change; in nvkm_fantog_update()
60 nvkm_timer_alarm(tmr, next_change * 1000, &fan->alarm); in nvkm_fantog_update()
62 spin_unlock_irqrestore(&fan->lock, flags); in nvkm_fantog_update()
68 struct nvkm_fantog *fan = in nvkm_fantog_alarm() local
[all …]
Dfan.c32 nvkm_fan_update(struct nvkm_fan *fan, bool immediate, int target) in nvkm_fan_update() argument
34 struct nvkm_therm *therm = fan->parent; in nvkm_fan_update()
42 spin_lock_irqsave(&fan->lock, flags); in nvkm_fan_update()
44 target = fan->percent; in nvkm_fan_update()
45 target = max_t(u8, target, fan->bios.min_duty); in nvkm_fan_update()
46 target = min_t(u8, target, fan->bios.max_duty); in nvkm_fan_update()
47 if (fan->percent != target) { in nvkm_fan_update()
49 fan->percent = target; in nvkm_fan_update()
53 duty = fan->get(therm); in nvkm_fan_update()
55 spin_unlock_irqrestore(&fan->lock, flags); in nvkm_fan_update()
[all …]
Dfanpwm.c40 struct nvkm_fanpwm *fan = (void *)therm->fan; in nvkm_fanpwm_get() local
47 ret = therm->func->pwm_get(therm, fan->func.line, &divs, &duty); in nvkm_fanpwm_get()
50 if (card_type <= NV_40 || (fan->func.log[0] & 1)) in nvkm_fanpwm_get()
55 return nvkm_gpio_get(gpio, 0, fan->func.func, fan->func.line) * 100; in nvkm_fanpwm_get()
61 struct nvkm_fanpwm *fan = (void *)therm->fan; in nvkm_fanpwm_set() local
66 divs = fan->base.perf.pwm_divisor; in nvkm_fanpwm_set()
67 if (fan->base.bios.pwm_freq) { in nvkm_fanpwm_set()
70 divs = therm->func->pwm_clock(therm, fan->func.line); in nvkm_fanpwm_set()
71 divs /= fan->base.bios.pwm_freq; in nvkm_fanpwm_set()
75 if (card_type <= NV_40 || (fan->func.log[0] & 1)) in nvkm_fanpwm_set()
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Dbase.c40 struct nvbios_therm_trip_point *trip = therm->fan->bios.trip, in nvkm_therm_update_trip()
48 for (i = 0; i < therm->fan->bios.nr_fan_trip; i++) { in nvkm_therm_update_trip()
78 return therm->fan->bios.min_duty; in nvkm_therm_compute_linear_duty()
80 return therm->fan->bios.max_duty; in nvkm_therm_compute_linear_duty()
84 duty *= (therm->fan->bios.max_duty - therm->fan->bios.min_duty); in nvkm_therm_compute_linear_duty()
86 duty += therm->fan->bios.min_duty; in nvkm_therm_compute_linear_duty()
93 u8 min = therm->fan->bios.linear_min_temp; in nvkm_therm_update_linear()
94 u8 max = therm->fan->bios.linear_max_temp; in nvkm_therm_update_linear()
129 switch(therm->fan->bios.fan_mode) { in nvkm_therm_update()
164 nvkm_therm_cstate(struct nvkm_therm *therm, int fan, int dir) in nvkm_therm_cstate() argument
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/linux-5.19.10/drivers/platform/x86/
Dgpd-pocket-fan.c55 static void gpd_pocket_fan_set_speed(struct gpd_pocket_fan_data *fan, int speed) in gpd_pocket_fan_set_speed() argument
57 if (speed == fan->last_speed) in gpd_pocket_fan_set_speed()
60 gpiod_direction_output(fan->gpio0, !!(speed & 1)); in gpd_pocket_fan_set_speed()
61 gpiod_direction_output(fan->gpio1, !!(speed & 2)); in gpd_pocket_fan_set_speed()
63 fan->last_speed = speed; in gpd_pocket_fan_set_speed()
76 struct gpd_pocket_fan_data *fan = in gpd_pocket_fan_worker() local
80 if (thermal_zone_get_temp(fan->dts0, &t0) || in gpd_pocket_fan_worker()
81 thermal_zone_get_temp(fan->dts1, &t1)) { in gpd_pocket_fan_worker()
82 dev_warn(fan->dev, "Error getting temperature\n"); in gpd_pocket_fan_worker()
89 speed = fan->last_speed; in gpd_pocket_fan_worker()
[all …]
/linux-5.19.10/drivers/hwmon/
Dmlxreg-fan.c86 struct mlxreg_fan *fan; member
123 struct mlxreg_fan *fan = dev_get_drvdata(dev); in mlxreg_fan_read() local
131 tacho = &fan->tacho[channel]; in mlxreg_fan_read()
138 if (tacho->prsnt && fan->tachos_per_drwr) { in mlxreg_fan_read()
139 err = regmap_read(fan->regmap, tacho->prsnt, &regval); in mlxreg_fan_read()
147 if (BIT(channel / fan->tachos_per_drwr) & regval) { in mlxreg_fan_read()
154 err = regmap_read(fan->regmap, tacho->reg, &regval); in mlxreg_fan_read()
158 *val = MLXREG_FAN_GET_RPM(regval, fan->divider, in mlxreg_fan_read()
159 fan->samples); in mlxreg_fan_read()
163 err = regmap_read(fan->regmap, tacho->reg, &regval); in mlxreg_fan_read()
[all …]
/linux-5.19.10/drivers/acpi/
Dfan_core.c64 struct acpi_fan *fan = acpi_driver_data(device); in fan_get_max_state() local
66 if (fan->acpi4) { in fan_get_max_state()
67 if (fan->fif.fine_grain_ctrl) in fan_get_max_state()
68 *state = 100 / fan->fif.step_size; in fan_get_max_state()
70 *state = fan->fps_count - 1; in fan_get_max_state()
111 struct acpi_fan *fan = acpi_driver_data(device); in fan_get_state_acpi4() local
119 if (fan->fif.fine_grain_ctrl) { in fan_get_state_acpi4()
126 *state = (int) fst.control / fan->fif.step_size; in fan_get_state_acpi4()
131 for (i = 0; i < fan->fps_count; i++) { in fan_get_state_acpi4()
132 if (fst.control == fan->fps[i].control) in fan_get_state_acpi4()
[all …]
Dfan_attr.c68 struct acpi_fan *fan = acpi_driver_data(acpi_dev); in show_fine_grain_control() local
70 return sprintf(buf, "%d\n", fan->fif.fine_grain_ctrl); in show_fine_grain_control()
75 struct acpi_fan *fan = acpi_driver_data(device); in acpi_fan_create_attributes() local
78 sysfs_attr_init(&fan->fine_grain_control.attr); in acpi_fan_create_attributes()
79 fan->fine_grain_control.show = show_fine_grain_control; in acpi_fan_create_attributes()
80 fan->fine_grain_control.store = NULL; in acpi_fan_create_attributes()
81 fan->fine_grain_control.attr.name = "fine_grain_control"; in acpi_fan_create_attributes()
82 fan->fine_grain_control.attr.mode = 0444; in acpi_fan_create_attributes()
83 status = sysfs_create_file(&device->dev.kobj, &fan->fine_grain_control.attr); in acpi_fan_create_attributes()
88 sysfs_attr_init(&fan->fst_speed.attr); in acpi_fan_create_attributes()
[all …]
/linux-5.19.10/drivers/gpu/drm/nouveau/nvkm/subdev/bios/
Dfan.c32 u32 fan = 0; in nvbios_fan_table() local
36 fan = nvbios_rd32(bios, bit_P.offset + 0x58); in nvbios_fan_table()
38 if (fan) { in nvbios_fan_table()
39 *ver = nvbios_rd08(bios, fan + 0); in nvbios_fan_table()
42 *hdr = nvbios_rd08(bios, fan + 1); in nvbios_fan_table()
43 *len = nvbios_rd08(bios, fan + 2); in nvbios_fan_table()
44 *cnt = nvbios_rd08(bios, fan + 3); in nvbios_fan_table()
45 return fan; in nvbios_fan_table()
66 nvbios_fan_parse(struct nvkm_bios *bios, struct nvbios_therm_fan *fan) in nvbios_fan_parse() argument
75 fan->type = NVBIOS_THERM_FAN_TOGGLE; in nvbios_fan_parse()
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Dtherm.c153 nvbios_therm_fan_parse(struct nvkm_bios *bios, struct nvbios_therm_fan *fan) in nvbios_therm_fan_parse() argument
163 fan->nr_fan_trip = 0; in nvbios_therm_fan_parse()
164 fan->fan_mode = NVBIOS_THERM_FAN_OTHER; in nvbios_therm_fan_parse()
170 fan->min_duty = value & 0xff; in nvbios_therm_fan_parse()
171 fan->max_duty = (value & 0xff00) >> 8; in nvbios_therm_fan_parse()
174 fan->nr_fan_trip++; in nvbios_therm_fan_parse()
175 if (fan->fan_mode > NVBIOS_THERM_FAN_TRIP) in nvbios_therm_fan_parse()
176 fan->fan_mode = NVBIOS_THERM_FAN_TRIP; in nvbios_therm_fan_parse()
177 cur_trip = &fan->trip[fan->nr_fan_trip - 1]; in nvbios_therm_fan_parse()
183 cur_trip = &fan->trip[fan->nr_fan_trip - 1]; in nvbios_therm_fan_parse()
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/linux-5.19.10/Documentation/devicetree/bindings/hwmon/
Dpwm-fan.txt1 Bindings for a fan connected to the PWM lines
4 - compatible : "pwm-fan"
5 - pwms : the PWM that is used to control the PWM fan
10 - fan-supply : phandle to the regulator that provides power to the fan
11 - interrupts : This contains an interrupt specifier for each fan
14 interrupts per fan revolution, which require that
17 - pulses-per-revolution : define the number of pulses per fan revolution for
23 fan0: pwm-fan {
24 compatible = "pwm-fan";
51 fan0: pwm-fan {
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Dnpcm750-pwm-fan.txt6 Required properties for pwm-fan node
9 - compatible : "nuvoton,npcm750-pwm-fan" for Poleg NPCM7XX.
13 * "fan" for the Fan registers.
17 * "fan" for Fan controller operating clock.
23 fan subnode format:
25 Under fan subnode can be upto 8 child nodes, each child node representing a fan.
26 Each fan subnode must have one PWM channel and atleast one Fan tach channel.
36 - fan-tach-ch : specify the Fan tach input channel.
38 the fan tach channel number that used.
48 pwm_fan:pwm-fan-controller@103000 {
[all …]
Dmax6650.txt1 Bindings for MAX6651 and MAX6650 I2C fan controllers
11 - maxim,fan-microvolt : The supply voltage of the fan, either 5000000 uV or
13 - maxim,fan-prescale : Pre-scaling value, as per datasheet [1]. Lower values
16 - maxim,fan-target-rpm: Initial requested fan rotation speed. If specified, the
18 This ensures the fan is already running before userspace
22 fan-max6650: max6650@1b {
25 maxim,fan-microvolt = <12000000>;
26 maxim,fan-prescale = <4>;
27 maxim,fan-target-rpm = <1200>;
Dgpio-fan.txt1 Bindings for fan connected to GPIO lines
4 - compatible : "gpio-fan"
9 - gpio-fan,speed-map: A mapping of possible fan RPM speeds and the
13 the fan, and a udev event will be fired.
17 min and max states are derived from the speed-map of the fan.
24 compatible = "gpio-fan";
27 gpio-fan,speed-map = <0 0
33 compatible = "gpio-fan";
36 gpio-fan,speed-map = <0 0>,
/linux-5.19.10/Documentation/hwmon/
Dg762.rst4 The GMT G762 Fan Speed PWM Controller is connected directly to a fan
5 and performs closed-loop or open-loop control of the fan speed. Two
19 fan revolution, ...); Those can be modified via devicetree bindings
25 set desired fan speed. This only makes sense in closed-loop
26 fan speed control (i.e. when pwm1_enable is set to 2).
29 provide current fan rotation value in RPM as reported by
30 the fan to the device.
33 fan clock divisor. Supported value are 1, 2, 4 and 8.
36 number of pulses per fan revolution. Supported values
40 reports fan failure, i.e. no transition on fan gear pin for
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Ddell-smm-hwmon.rst18 automatically adjust fan speed (please notice that it currently uses
35 fan[1-3]_input RO Fan speed in RPM.
36 fan[1-3]_label RO Fan label.
37 fan[1-3]_min RO Minimal Fan speed in RPM
38 fan[1-3]_max RO Maximal Fan speed in RPM
39 fan[1-3]_target RO Expected Fan speed in RPM
40 pwm[1-3] RW Control the fan PWM duty-cycle.
41 pwm1_enable WO Enable or disable automatic BIOS fan
49 Disabling automatic BIOS fan control
52 On some laptops the BIOS automatically sets fan speed every few
[all …]
Dmax31790.rst23 PWM outputs. The desired fan speeds (or PWM duty cycles) are written
25 or can be used to modulate the fan's power terminals using an external
28 Tachometer inputs monitor fan tachometer logic outputs for precise (+/-1%)
29 monitoring and control of fan RPM as well as detection of fan failure.
38 fan[1-12]_input RO fan tachometer speed in RPM
39 fan[1-12]_fault RO fan experienced fault
40 fan[1-6]_target RW desired fan speed in RPM
Dg760a.rst19 The GMT G760A Fan Speed PWM Controller is connected directly to a fan
20 and performs closed-loop control of the fan speed.
22 The fan speed is programmed by setting the period via 'pwm1' of two
26 Setting a period of 0 stops the fan; setting the period to 255 sets
27 fan to maximum speed.
29 The measured fan rotation speed returned via 'fan1_input' is derived
31 source and a 2 pulse-per-revolution fan.
34 the G760A chip's status register: Bit 0 is set when the actual fan
35 speed differs more than 20% with respect to the programmed fan speed;
36 bit 1 is set when fan speed is below 1920 RPM.
/linux-5.19.10/arch/arm/boot/dts/
Daspeed-bmc-lenovo-hr855xg2.dts340 fan@0 {
342 aspeed,fan-tach-ch = /bits/ 8 <0x00>;
345 fan@1 {
347 aspeed,fan-tach-ch = /bits/ 8 <0x01>;
350 fan@2 {
352 aspeed,fan-tach-ch = /bits/ 8 <0x02>;
355 fan@3 {
357 aspeed,fan-tach-ch = /bits/ 8 <0x03>;
360 fan@4 {
362 aspeed,fan-tach-ch = /bits/ 8 <0x04>;
[all …]
Daspeed-bmc-lenovo-hr630.dts335 fan@0 {
337 aspeed,fan-tach-ch = /bits/ 8 <0x00>;
340 fan@1 {
342 aspeed,fan-tach-ch = /bits/ 8 <0x01>;
345 fan@2 {
347 aspeed,fan-tach-ch = /bits/ 8 <0x02>;
350 fan@3 {
352 aspeed,fan-tach-ch = /bits/ 8 <0x03>;
355 fan@4 {
357 aspeed,fan-tach-ch = /bits/ 8 <0x04>;
[all …]
Daspeed-bmc-opp-swift.dts346 fan@0 {
347 compatible = "pmbus-fan";
350 maxim,fan-rotor-input = "tach";
351 maxim,fan-pwm-freq = <25000>;
352 maxim,fan-no-watchdog;
353 maxim,fan-no-fault-ramp;
354 maxim,fan-ramp = <2>;
355 maxim,fan-fault-pin-mon;
358 fan@1 {
359 compatible = "pmbus-fan";
[all …]
Daspeed-bmc-microsoft-olympus.dts177 fan@0 {
179 aspeed,fan-tach-ch = /bits/ 8 <0x00>;
182 fan@1 {
184 aspeed,fan-tach-ch = /bits/ 8 <0x01>;
187 fan@2 {
189 aspeed,fan-tach-ch = /bits/ 8 <0x02>;
192 fan@3 {
194 aspeed,fan-tach-ch = /bits/ 8 <0x03>;
197 fan@4 {
199 aspeed,fan-tach-ch = /bits/ 8 <0x04>;
[all …]
Daspeed-bmc-facebook-wedge40.dts34 fan@0 {
36 aspeed,fan-tach-ch = /bits/ 8 <0x00 0x01>;
39 fan@1 {
41 aspeed,fan-tach-ch = /bits/ 8 <0x02 0x03>;
44 fan@6 {
46 aspeed,fan-tach-ch = /bits/ 8 <0x04 0x05>;
49 fan@7 {
51 aspeed,fan-tach-ch = /bits/ 8 <0x06 0x07>;

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