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

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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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