Re: [PATCH v2 3/8] platform/x86: asus-wmi: support middle fan custom curves

From: Hans de Goede
Date: Tue Jul 04 2023 - 07:35:19 EST

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Hi,

On 6/30/23 07:35, Luke D. Jones wrote:
> Adds support for fan curves defined for the middle fan which
> is available on some ASUS ROG laptops.
>
> Signed-off-by: Luke D. Jones <luke@xxxxxxxxxx>

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>

Regards,

Hans

p.s.

I've ran out of time to spend on reviews today, to be
continued later (for the rest of the series) ...

> ---
> drivers/platform/x86/asus-wmi.c | 77 +++++++++++++++++++++-
> include/linux/platform_data/x86/asus-wmi.h | 1 +
> 2 files changed, 76 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
> index 375d25ae0aca..fb27218e51cf 100644
> --- a/drivers/platform/x86/asus-wmi.c
> +++ b/drivers/platform/x86/asus-wmi.c
> @@ -113,6 +113,7 @@ module_param(fnlock_default, bool, 0444);
> #define FAN_CURVE_BUF_LEN 32
> #define FAN_CURVE_DEV_CPU 0x00
> #define FAN_CURVE_DEV_GPU 0x01
> +#define FAN_CURVE_DEV_MID 0x02
> /* Mask to determine if setting temperature or percentage */
> #define FAN_CURVE_PWM_MASK 0x04
>
> @@ -253,7 +254,8 @@ struct asus_wmi {
>
> bool cpu_fan_curve_available;
> bool gpu_fan_curve_available;
> - struct fan_curve_data custom_fan_curves[2];
> + bool mid_fan_curve_available;
> + struct fan_curve_data custom_fan_curves[3];
>
> struct platform_profile_handler platform_profile_handler;
> bool platform_profile_support;
> @@ -2080,6 +2082,8 @@ static ssize_t pwm1_enable_store(struct device *dev,
> asus->custom_fan_curves[FAN_CURVE_DEV_CPU].enabled = false;
> if (asus->gpu_fan_curve_available)
> asus->custom_fan_curves[FAN_CURVE_DEV_GPU].enabled = false;
> + if (asus->mid_fan_curve_available)
> + asus->custom_fan_curves[FAN_CURVE_DEV_MID].enabled = false;
>
> return count;
> }
> @@ -2531,6 +2535,9 @@ static int fan_curve_get_factory_default(struct asus_wmi *asus, u32 fan_dev)
> if (fan_dev == ASUS_WMI_DEVID_GPU_FAN_CURVE)
> fan_idx = FAN_CURVE_DEV_GPU;
>
> + if (fan_dev == ASUS_WMI_DEVID_MID_FAN_CURVE)
> + fan_idx = FAN_CURVE_DEV_MID;
> +
> curves = &asus->custom_fan_curves[fan_idx];
> err = asus_wmi_evaluate_method_buf(asus->dsts_id, fan_dev, mode, buf,
> FAN_CURVE_BUF_LEN);
> @@ -2819,6 +2826,42 @@ static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point7_pwm, fan_curve,
> static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point8_pwm, fan_curve,
> FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 7);
>
> +/* MID */
> +static SENSOR_DEVICE_ATTR_RW(pwm3_enable, fan_curve_enable, FAN_CURVE_DEV_GPU);
> +static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point1_temp, fan_curve,
> + FAN_CURVE_DEV_GPU, 0);
> +static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point2_temp, fan_curve,
> + FAN_CURVE_DEV_GPU, 1);
> +static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point3_temp, fan_curve,
> + FAN_CURVE_DEV_GPU, 2);
> +static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point4_temp, fan_curve,
> + FAN_CURVE_DEV_GPU, 3);
> +static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point5_temp, fan_curve,
> + FAN_CURVE_DEV_GPU, 4);
> +static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point6_temp, fan_curve,
> + FAN_CURVE_DEV_GPU, 5);
> +static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point7_temp, fan_curve,
> + FAN_CURVE_DEV_GPU, 6);
> +static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point8_temp, fan_curve,
> + FAN_CURVE_DEV_GPU, 7);
> +
> +static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point1_pwm, fan_curve,
> + FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 0);
> +static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point2_pwm, fan_curve,
> + FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 1);
> +static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point3_pwm, fan_curve,
> + FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 2);
> +static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point4_pwm, fan_curve,
> + FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 3);
> +static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point5_pwm, fan_curve,
> + FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 4);
> +static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point6_pwm, fan_curve,
> + FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 5);
> +static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point7_pwm, fan_curve,
> + FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 6);
> +static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point8_pwm, fan_curve,
> + FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 7);
> +
> static struct attribute *asus_fan_curve_attr[] = {
> /* CPU */
> &sensor_dev_attr_pwm1_enable.dev_attr.attr,
> @@ -2856,6 +2899,24 @@ static struct attribute *asus_fan_curve_attr[] = {
> &sensor_dev_attr_pwm2_auto_point6_pwm.dev_attr.attr,
> &sensor_dev_attr_pwm2_auto_point7_pwm.dev_attr.attr,
> &sensor_dev_attr_pwm2_auto_point8_pwm.dev_attr.attr,
> + /* MID */
> + &sensor_dev_attr_pwm3_enable.dev_attr.attr,
> + &sensor_dev_attr_pwm3_auto_point1_temp.dev_attr.attr,
> + &sensor_dev_attr_pwm3_auto_point2_temp.dev_attr.attr,
> + &sensor_dev_attr_pwm3_auto_point3_temp.dev_attr.attr,
> + &sensor_dev_attr_pwm3_auto_point4_temp.dev_attr.attr,
> + &sensor_dev_attr_pwm3_auto_point5_temp.dev_attr.attr,
> + &sensor_dev_attr_pwm3_auto_point6_temp.dev_attr.attr,
> + &sensor_dev_attr_pwm3_auto_point7_temp.dev_attr.attr,
> + &sensor_dev_attr_pwm3_auto_point8_temp.dev_attr.attr,
> + &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr,
> + &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr,
> + &sensor_dev_attr_pwm3_auto_point3_pwm.dev_attr.attr,
> + &sensor_dev_attr_pwm3_auto_point4_pwm.dev_attr.attr,
> + &sensor_dev_attr_pwm3_auto_point5_pwm.dev_attr.attr,
> + &sensor_dev_attr_pwm3_auto_point6_pwm.dev_attr.attr,
> + &sensor_dev_attr_pwm3_auto_point7_pwm.dev_attr.attr,
> + &sensor_dev_attr_pwm3_auto_point8_pwm.dev_attr.attr,
> NULL
> };
>
> @@ -2875,6 +2936,9 @@ static umode_t asus_fan_curve_is_visible(struct kobject *kobj,
> if (asus->gpu_fan_curve_available && attr->name[3] == '2')
> return 0644;
>
> + if (asus->mid_fan_curve_available && attr->name[3] == '3')
> + return 0644;
> +
> return 0;
> }
>
> @@ -2904,7 +2968,14 @@ static int asus_wmi_custom_fan_curve_init(struct asus_wmi *asus)
> if (err)
> return err;
>
> - if (!asus->cpu_fan_curve_available && !asus->gpu_fan_curve_available)
> + err = fan_curve_check_present(asus, &asus->mid_fan_curve_available,
> + ASUS_WMI_DEVID_MID_FAN_CURVE);
> + if (err)
> + return err;
> +
> + if (!asus->cpu_fan_curve_available
> + && !asus->gpu_fan_curve_available
> + && !asus->mid_fan_curve_available)
> return 0;
>
> hwmon = devm_hwmon_device_register_with_groups(
> @@ -2973,6 +3044,8 @@ static int throttle_thermal_policy_write(struct asus_wmi *asus)
> asus->custom_fan_curves[FAN_CURVE_DEV_CPU].enabled = false;
> if (asus->gpu_fan_curve_available)
> asus->custom_fan_curves[FAN_CURVE_DEV_GPU].enabled = false;
> + if (asus->mid_fan_curve_available)
> + asus->custom_fan_curves[FAN_CURVE_DEV_MID].enabled = false;
>
> return 0;
> }
> diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h
> index 2c03bda7703f..329efc086993 100644
> --- a/include/linux/platform_data/x86/asus-wmi.h
> +++ b/include/linux/platform_data/x86/asus-wmi.h
> @@ -83,6 +83,7 @@
> #define ASUS_WMI_DEVID_MID_FAN_CTRL 0x00110031
> #define ASUS_WMI_DEVID_CPU_FAN_CURVE 0x00110024
> #define ASUS_WMI_DEVID_GPU_FAN_CURVE 0x00110025
> +#define ASUS_WMI_DEVID_MID_FAN_CURVE 0x00110032
>
> /* Power */
> #define ASUS_WMI_DEVID_PROCESSOR_STATE 0x00120012

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