I'm opening this issue to track the interest for (and later work on) a driver that sup

I have the H115i <div class="snippet-clipboard-content notranslate position-relati

Corsair H115i <div class="snippet-clipboard-content notranslate position-relative

I'll start... EVGA CLC 120 (CL12) <div class="s

<a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/us

<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clip

Interesting, the pump won't react under 50% <p dir="aut

Interest for EVGA and Corsair coolers using 5th gen. Asetek designs about liquidtux HOT 15 CLOSED

liquidctl commented on September 23, 2024

Interest for EVGA and Corsair coolers using 5th gen. Asetek designs

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Comments (15)

jameshilliard commented on September 23, 2024 1

I have the H115i

Bus 001 Device 003: ID 1b1c:0c0a Corsair 
Couldn't open device, some information will be missing
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.10
  bDeviceClass            0 
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  idVendor           0x1b1c Corsair
  idProduct          0x0c0a 
  bcdDevice            1.00
  iManufacturer           1 
  iProduct                2 
  iSerial                 3 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x0020
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower               50mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      0 
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0

what tools you already use to control it

I currently am not using anything to control it.

how would you be able to help to develop, test and maintain this driver

I can make minor changes to the code for testing and assist with upstreaming(I currently maintain a number of packages in buildroot and am familiar with the kernel development process). I've bisected kernel drivers before such as efifb and tested regression fixes needed such as this.

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commented on September 23, 2024 1

Corsair H115i

Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.10
  bDeviceClass            0 
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  idVendor           0x1b1c Corsair
  idProduct          0x0c0a 
  bcdDevice            1.00
  iManufacturer           1 Corsair Components, Inc.
  iProduct                2 H115i
  iSerial                 3 7289_2.0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x0020
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower               50mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      0 
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0

I use liquidctl to control it

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jonasmalacofilho commented on September 23, 2024

I'll start...

EVGA CLC 120 (CL12)

# lsusb -v -d2433:b200
Bus 001 Device 005: ID 2433:b200 ASETEK 690LC
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.10
  bDeviceClass            0 
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  idVendor           0x2433 
  idProduct          0xb200 
  bcdDevice            1.00
  iManufacturer           1 ASETEK
  iProduct                2 690LC
  iSerial                 3 CCVI_1.0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x0020
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower               50mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      0 
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
can't get debug descriptor: Resource temporarily unavailable
Device Status:     0x0000
  (Bus Powered)

This is just a test device to me, but I routinely power it on to test something with liquidctl. Still, it's not really cooling anything, so there's a chance that a subtle issue might go unnoticed.

I'm willing to develop a large part of the kernel driver, and also help upstream it. After that I can maintain the support for the CLCs (but not the Corsair devices).

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jonasmalacofilho commented on September 23, 2024

Ok, it seems that there's some interest for the H115i.

I'll take a first look and try to come with a good structure for the driver. It will probably need to go into the usb subsystem and instantiate both hwmon and led drivers.

While I would normally ignore the LED part, in this case I think it's necessary: for the device to function correctly the configuration command must be used, but that command also controls the LED. And if the user were to use another tool for that, we would need to solve all sorts of conflicts or implement our own pass-through API; probably easier to just implement the LED stuff properly.

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jonasmalacofilho commented on September 23, 2024

@source83

I think we might have overlooked something when we switched (in liquidctl) the H115i to use the modern driver.

Can you run the following one-line script with liquidctl 1.3.0 and post the results?

for i in {0..20}; do echo "Set pump speed to $((i*5))%"; liquidctl --match H115i set pump speed $((i*5)); sleep 1; liquidctl --match H115i status | grep Pump; done

EDIT: it's important for me to know exactly how much the H115i differs from my CLC 120 test cooler.

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commented on September 23, 2024

root@megumi:~# liquidctl --version
liquidctl v1.3.0 (53ddc58a0746)
root@megumi:~# for i in {0..20}; do echo "Set pump speed to $((i*5))%"; liquidctl --match H115i set pump speed $((i*5)); sleep 1; liquidctl --match H115i status | grep Pump; done
Set pump speed to 0%
├── Pump speed               2010  rpm
Set pump speed to 5%
├── Pump speed               2010  rpm
Set pump speed to 10%
├── Pump speed               2040  rpm
Set pump speed to 15%
├── Pump speed               2040  rpm
Set pump speed to 20%
├── Pump speed               2040  rpm
Set pump speed to 25%
├── Pump speed               2040  rpm
Set pump speed to 30%
├── Pump speed               1980  rpm
Set pump speed to 35%
├── Pump speed               2040  rpm
Set pump speed to 40%
├── Pump speed               2040  rpm
Set pump speed to 45%
├── Pump speed               2040  rpm
Set pump speed to 50%
├── Pump speed               2010  rpm
Set pump speed to 55%
├── Pump speed               2160  rpm
Set pump speed to 60%
├── Pump speed               2250  rpm
Set pump speed to 65%
├── Pump speed               2400  rpm
Set pump speed to 70%
├── Pump speed               2520  rpm
Set pump speed to 75%
├── Pump speed               2580  rpm
Set pump speed to 80%
├── Pump speed               2760  rpm
Set pump speed to 85%
├── Pump speed               2880  rpm
Set pump speed to 90%
├── Pump speed               2970  rpm
Set pump speed to 95%
├── Pump speed               3000  rpm
Set pump speed to 100%
├── Pump speed               3120  rpm

root@megumi:~# liquidctl --version
liquidctl v1.3.0 (0e1e12298ec2)
root@megumi:~# for i in {0..20}; do echo "Set pump speed to $((i*5))%"; liquidctl --match H115i set pump speed $((i*5)); sleep 1; liquidctl --match H115i status | grep Pump; done
Set pump speed to 0%
├── Pump speed               2040  rpm
Set pump speed to 5%
├── Pump speed               2040  rpm
Set pump speed to 10%
├── Pump speed               2040  rpm
Set pump speed to 15%
├── Pump speed               2010  rpm
Set pump speed to 20%
├── Pump speed               2040  rpm
Set pump speed to 25%
├── Pump speed               2010  rpm
Set pump speed to 30%
├── Pump speed               2040  rpm
Set pump speed to 35%
├── Pump speed               2010  rpm
Set pump speed to 40%
├── Pump speed               2040  rpm
Set pump speed to 45%
├── Pump speed               2040  rpm
Set pump speed to 50%
├── Pump speed               2040  rpm
Set pump speed to 55%
├── Pump speed               2160  rpm
Set pump speed to 60%
├── Pump speed               2280  rpm
Set pump speed to 65%
├── Pump speed               2340  rpm
Set pump speed to 70%
├── Pump speed               2550  rpm
Set pump speed to 75%
├── Pump speed               2610  rpm
Set pump speed to 80%
├── Pump speed               2760  rpm
Set pump speed to 85%
├── Pump speed               2850  rpm
Set pump speed to 90%
├── Pump speed               3000  rpm
Set pump speed to 95%
├── Pump speed               3030  rpm
Set pump speed to 100%
├── Pump speed               3120  rpm

root@megumi:~# liquidctl --version
liquidctl v1.3.0rc1 (5099594b5bf2)
root@megumi:~# for i in {0..20}; do echo "Set pump speed to $((i*5))%"; liquidctl --match H115i set pump speed $((i*5)); sleep 1; liquidctl --match H115i status | grep Pump; done
Set pump speed to 0%
├── Pump speed               1980  rpm
Set pump speed to 5%
├── Pump speed               2040  rpm
Set pump speed to 10%
├── Pump speed               2010  rpm
Set pump speed to 15%
├── Pump speed               2010  rpm
Set pump speed to 20%
├── Pump speed               2040  rpm
Set pump speed to 25%
├── Pump speed               2010  rpm
Set pump speed to 30%
├── Pump speed               2040  rpm
Set pump speed to 35%
├── Pump speed               2040  rpm
Set pump speed to 40%
├── Pump speed               2010  rpm
Set pump speed to 45%
├── Pump speed               1980  rpm
Set pump speed to 50%
├── Pump speed               2010  rpm
Set pump speed to 55%
├── Pump speed               2130  rpm
Set pump speed to 60%
├── Pump speed               2280  rpm
Set pump speed to 65%
├── Pump speed               2400  rpm
Set pump speed to 70%
├── Pump speed               2550  rpm
Set pump speed to 75%
├── Pump speed               2490  rpm
Set pump speed to 80%
├── Pump speed               2760  rpm
Set pump speed to 85%
├── Pump speed               2850  rpm
Set pump speed to 90%
├── Pump speed               3000  rpm
Set pump speed to 95%
├── Pump speed               3000  rpm
Set pump speed to 100%
├── Pump speed               3060  rpm

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commented on September 23, 2024

Interesting, the pump won't react under 50%

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jonasmalacofilho commented on September 23, 2024

Interesting, the pump won't react under 50%

In all AIOs I know of the firmware simply ignores pump duties bellow a certain threshold.

The liquidctl driver also enforces this limit, as it has to match what the firmware supports to be able to follow the complicated pump setting routine (in summary: we need to send values between 0x32 and 0x42).

mtype, dmin, dmax = _FIXED_SPEED_CHANNELS[channel]
duty = clamp(duty, dmin, dmax)
total_levels = _MAX_PUMP_SPEED_CODE - _MIN_PUMP_SPEED_CODE + 1
level = round((duty - dmin)/(dmax - dmin)*total_levels)
effective_duty = round(dmin + level*(dmax - dmin)/total_levels)
LOGGER.info('setting %s PWM duty to %i%% (level %i)', channel, effective_duty, level)
self._begin_transaction()
self._write([mtype, _MIN_PUMP_SPEED_CODE + level])
self._end_transaction_and_read()

—liquidctl/driver/asetek.py#L277-L285

(You can see the actual duty value being send to the cooler by passing --verbose).

In fact, what I'm wondering is precisely if the H115i should share this complicated pump speed setting routine, which was inherited from EVGA CLCs, or use something simpler.

So far the output (with the complicated setting) looks alright to me, but does ~3100 rpm seem reasonable to you as the the maximum pump speed the cooler supports?

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commented on September 23, 2024

Hmm, I'm thinking that it IS meant as the pump's max, could the pump have an internal limiter so it doesn't overload itself ?
I'm wouldn't be suprised if there was a limit in the firmware.

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commented on September 23, 2024

Hm, okay, it might not be a good idea to have it SET to max at all times, but that's not what it should be anyway.
As far as I can tell, it's only when it hits the thermal target that causes it to ramp up to it that it probably should.
I can't remember if either liquidctl or the original (Windows) LINK sw managed the pump speed depending on the thermals.
But, some ( 1 2 3 4 ) places sime to point to about 2800rpm as a performance (max?) limit.
I wonder if something like 2900-3000 should be better as a MAX upper limit

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jonasmalacofilho commented on September 23, 2024

I can't remember if either liquidctl or the original (Windows) LINK sw managed the pump speed depending on the thermals.

As far as I know this would need to happen in software, as it isn't natively supported by the firmware (at least on my test EVGA CLC). The device only supports profiles for fan speeds, based on the liquid temperature.

In the kernel driver this means that we will probably have:

pwm1_auto_point[1-6]_[pwm|temp] for fan channel, and
pwm2 for the pump channel

On the subject of fan control, this should fully expose the hardware capabilities, but I'm not sure how fancontrol would external sensors (e.g. CPU temperature).

Hmm, I'm thinking that it IS meant as the pump's max,

Sorry, I didn't understand what you meant here.

could the pump have an internal limiter so it doesn't overload itself ?
I'm wouldn't be suprised if there was a limit in the firmware.

Certainly.

Hm, okay, it might not be a good idea to have it SET to max at all times, but that's not what it should be anyway.
As far as I can tell, it's only when it hits the thermal target that causes it to ramp up to it that it probably should.
I wonder if something like 2900-3000 should be better as a MAX upper limit

I'm not sure what you meant regarding what the max is or should be set to.

A hwmon kernel driver should expose what the device supports. I think the only exceptions would be settings/parameters that are unquestionably dangerous.

(liquidctl follows a similar philosophy)

But, some ( 1 2 3 4 ) places sime to point to about 2800rpm as a performance (max?) limit.

Yeah, I've seen some references to different pump "modes" (e.g. "performance"). Any chance one of you can provide a USB traffic capture of these modes being set?

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commented on September 23, 2024

A cap in windows ? no, sorry. Anyone else ?

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jonasmalacofilho commented on September 23, 2024

I haven't started to work on this new driver for Asetek 690LC variants and, at the current rate, I'm probably not going to get to it before these coolers become irrelevant.
Closing the issue to avoid building up expectations.

Please consider using liquidctl instead.

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jameshilliard commented on September 23, 2024

@jonasmalacofilho Is the protocol used by Asetek 690LC variants no longer being used in currently manufactured devices?

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jonasmalacofilho commented on September 23, 2024

@jameshilliard the only current sold devices I know of with this protocol are the EVGA CLCs and the Corsair v2s (H80i v2, H100i v2, H115i).

But Corsair seems to have moved on from this design already. So only EGVA stands (AFAIK).

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Interest for EVGA and Corsair coolers using 5th gen. Asetek designs about liquidtux HOT 15 CLOSED

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