| /Linux-v5.10/drivers/macintosh/ |
| D | windfarm_smu_controls.c | 38 * SMU fans control object
258 struct device_node *smu, *fans, *fan; in smu_controls_init() local
267 /* Look for RPM fans */ in smu_controls_init()
268 for (fans = NULL; (fans = of_get_next_child(smu, fans)) != NULL;) in smu_controls_init()
269 if (of_node_name_eq(fans, "rpm-fans") || in smu_controls_init()
270 of_device_is_compatible(fans, "smu-rpm-fans")) in smu_controls_init()
273 fans && (fan = of_get_next_child(fans, fan)) != NULL;) { in smu_controls_init()
284 of_node_put(fans); in smu_controls_init()
287 /* Look for PWM fans */ in smu_controls_init()
288 for (fans = NULL; (fans = of_get_next_child(smu, fans)) != NULL;) in smu_controls_init()
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| D | windfarm_pm81.c | 18 * System Fans control loop. Different based on models. In addition to the
71 * by the System Fans control loop itself). Then, the max value of the
72 * calculated target value and system fan value is sent to the fans
154 * ****** System Fans Control Loop ******
158 /* Parameters for the System Fans control loop. Parameters
176 /* State data used by the system fans control loop
235 * ****** CPU Fans Control Loop ******
245 /* State data used by the cpu fans control loop
277 /* No params found, put fans to max */ in wf_smu_create_sys_fans()
348 DBG("wf_smu: System Fans tick ! HD temp: %d.%03d\n", in wf_smu_sys_fans_tick()
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| D | windfarm_pm91.c | 18 * Has 3 control loops: CPU fans is similar to PowerMac8,1 (though it doesn't
19 * try to play with other control loops fans). Drive bay is rather basic PID
24 * access to those additional sensor/fans for now (though ultimately, it would
90 * ****** CPU Fans Control Loop ******
98 /* State data used by the cpu fans control loop
246 DBG("wf_smu: CPU Fans tick ! CPU temp: %d.%03d, power: %d.%03d\n", in wf_smu_cpu_fans_tick()
347 DBG("wf_smu: Drive Fans tick ! HD temp: %d.%03d\n", in wf_smu_drive_fans_tick()
428 DBG("wf_smu: Slots Fans tick ! Slots power: %d.%03d\n", in wf_smu_slots_fans_tick()
489 * fans to full speed. in wf_smu_tick()
507 * all fans on next iteration in wf_smu_tick()
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| D | windfarm_fcu_controls.c | 35 * the control loop for the RPMs fans (not PWMs) will apply the
329 /* CPU fans have min/max in MPU */ in wf_fcu_get_rpmfan_minmax()
447 /* Only care about fans for now */ in wf_fcu_lookup_fans()
482 /* We only support the default fans for PowerMac7,2 */ in wf_fcu_default_fans()
541 /* First lookup fans in the device-tree */ in wf_fcu_probe()
551 /* Still no fans ? FAIL */ in wf_fcu_probe()
553 pr_err("wf_fcu: Failed to find fans for your machine\n"); in wf_fcu_probe()
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| D | windfarm_pm121.c | 341 * ****** System Fans Control Loop ******
428 /* State data used by the system fans control loop
439 * ****** CPU Fans Control Loop ******
445 /* State data used by the cpu fans control loop
522 /* No params found, put fans to max */ in pm121_create_sys_fans()
749 pr_debug("pm121: CPU Fans tick ! CPU temp: %d.%03d°C, power: %d.%03d\n", in pm121_cpu_fans_tick()
827 * fans to full speed. in pm121_tick()
837 * all fans on next iteration in pm121_tick()
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| D | windfarm_pm72.c | 68 /* Scale value for CPU intake fans */
109 /* We max all CPU fans in case of a sensor error. We also do the in cpu_max_all_fans()
475 DBG_LOTS("* backside fans tick\n"); in backside_fan_tick()
477 /* Update fan speed from actual fans */ in backside_fan_tick()
555 DBG_LOTS("* drives fans tick\n"); in drives_fan_tick()
557 /* Update fan speed from actual fans */ in drives_fan_tick()
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| D | windfarm_rm31.c | 103 /* We max all CPU fans in case of a sensor error. We also do the in cpu_max_all_fans()
280 /* Apply result to all cpu fans */ in cpu_fans_tick()
377 DBG_LOTS("* backside fans tick\n"); in backside_fan_tick()
379 /* Update fan speed from actual fans */ in backside_fan_tick()
464 DBG_LOTS("* slots fans tick\n"); in slots_fan_tick()
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| /Linux-v5.10/arch/sparc/include/uapi/asm/ |
| D | envctrl.h | 69 * connectors to connect extra fans.
71 * There are maximum 8 monitor fans. Some are cpu fans
72 * some are system fans. The mask below only indicates
83 * printf("all fans good\n");
85 * printf("all fans bad\n");
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| /Linux-v5.10/Documentation/hwmon/ |
| D | emc6w201.rst | 26 measures the speed of up to five fans, and controls the speed of
27 multiple DC fans using three Pulse Width Modulator (PWM) outputs. Note
28 that it is possible to control more than three fans by connecting two
29 fans to one PWM output. The EMC6W201 will be available in a 36-pin
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| D | lm85.rst | 131 TACH signal from the fans. The ADM1027 can be configured to measure the
138 To smooth the response of fans to changes in temperature, the LM85 has an
167 fans in a PC or embedded system. The EMC6D101, available in a 24-pin SSOP
217 - temperature below which fans should be off or spinning very low.
219 - temperature over which fans start to spin.
221 - temperature when fans spin at full speed.
223 - temperature when all fans will run full speed.
239 the behaviour of fans. Write 1 to let fans spinning at
276 The number of pulses-per-rev of the fans can be set, Tach monitoring
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| D | it87.rst | 218 have support for 2 additional fans. The additional fans are supported by the
223 counters for fans 1 to 3. This is better (no more fan clock divider mess) but
235 IT8728F. It only supports 3 fans, 16-bit fan mode, and the full speed mode
239 to IT8728F. It only supports 16-bit fan mode. Both chips support up to 6 fans.
241 The IT8790E supports up to 3 fans. 16-bit fan mode is always enabled.
288 (temperatures, voltages and fans.)
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| D | pc87427.rst | 24 monitoring capabilities. It can monitor up to 18 voltages, 8 fans and
25 6 temperature sensors. Only the fans and temperatures are supported at
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| D | max31790.rst | 22 The MAX31790 controls the speeds of up to six fans using six independent
24 through the I2C interface. The outputs drive "4-wire" fans directly,
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| D | w83781d.rst | 189 One user has reported problems with fans stopping
198 - One user reports fans stopping under high server load.
352 - 3 fans, identical to the W83781D
355 - 2 fans only, 1350000/RPM/div
441 One remarkable thing is that the fans would only have two or three
446 fans run at low speed, and 0x7F or 0x80 to make them run at full speed.
458 - seems to turn fans off after some time(1-2 minutes)... might be
465 - slightly "on-ner" than off, but my fans do not get to move. I can
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| D | thmc50.rst | 86 so it stops fans even if the value 0 into the ANALOG_OUT register does not.
89 in the temp3 mode), five temperature readings and two fans.
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| D | ucd9000.rst | 134 created only for enabled fans.
135 Note that even though UCD90910 supports up to 10 fans,
136 only up to four fans are currently supported.
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| D | nct6775.rst | 120 is lower than optimal. Some fans might not be present because they share pins
145 * 0 Fan control disabled (fans set to maximum speed)
248 critical temperature mode, in which the fans should run at full speed.
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| D | dell-smm-hwmon.rst | 15 queried for the status of fans and temperature sensors. Userspace
26 Temperature sensors and fans can be queried and set via the standard
59 ``pwm1_enable`` sets automatic control for all fans.
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| D | asc7621.rst | 70 individual fans on each that would benefit from individual fan control.
74 fan types. We can also support pulse-stretched PWM so that 3-wire fans
103 The aSC7621 has tachometer inputs to measure fan speed on up to four fans.
121 - 3 PWM fan speed control outputs for 2-, 3- or 4-wire fans and up to 4 fan
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| D | adt7475.rst | 144 `pwm[1-*]_stall_disable sysfs attribute`. A value of 0 means the fans will shut
145 off. A value of 1 means the fans will run at auto_point1_pwm.
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| /Linux-v5.10/drivers/sbus/char/ |
| D | bbc_envctrl.c | 38 * Three fans exist inside the machine, all three are controlled with
41 * third is for the power supply. The first two fans may be speed
50 * range (the goal being to make the fans as quiet as possible without
55 * The fans will be put on full blast to attempt to deal with this
297 * fans. in prioritize_fan_action()
406 * the fans on full blast. in fans_full_blast()
515 list_add(&fp->bp_list, &bp->fans); in attach_one_fan()
517 /* The i2c device controlling the fans is write-only. in attach_one_fan()
519 * level fed to the fans is via software. Choose half in attach_one_fan()
559 list_for_each_entry_safe(fp, fpos, &bp->fans, bp_list) { in destroy_all_fans()
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| /Linux-v5.10/arch/powerpc/include/asm/ |
| D | smu.h | 49 * of argument, this seem to be queries for fans status, setpoint,
50 * etc..., while with 0xe arguments, we will set the fans speeds.
55 * arg=0x01: read RPM fans status
56 * arg=0x02: read RPM fans setpoint
57 * arg=0x11: read PWM fans status
58 * arg=0x12: read PWM fans setpoint
62 * mask in the first byte of active/available fans, followed by 6 words (16
68 * first arg byte is 0 for RPM fans and 0x10 for PWM. Second arg byte is the
69 * mask of fans affected by the command. Followed by 6 words containing the
70 * setpoint value for selected fans in the mask (or 0 if mask value is 0)
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| /Linux-v5.10/Documentation/devicetree/bindings/hwmon/ |
| D | aspeed-pwm-tacho.txt | 6 There can be upto 8 fans supported. Each fan can have one PWM output and
32 representing a fan. If there are 8 fans each fan can have one PWM port and
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| D | max31785.txt | 19 fans@52 {
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| /Linux-v5.10/include/linux/ |
| D | f75375s.h | 14 /* We want to set fans spinning on systems where there is no
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