1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 3 /* Copyright (C) 2025 Derek J. Clark <derekjohn.clark@gmail.com> */ 4 5 #ifndef _LENOVO_WMI_HELPERS_H_ 6 #define _LENOVO_WMI_HELPERS_H_ 7 8 #include <linux/types.h> 9 10 struct device; 11 struct notifier_block; 12 struct wmi_device; 13 14 struct wmi_method_args_32 { 15 u32 arg0; 16 u32 arg1; 17 }; 18 19 enum lwmi_event_type { 20 LWMI_GZ_GET_THERMAL_MODE = 0x01, 21 }; 22 23 enum thermal_mode { 24 LWMI_GZ_THERMAL_MODE_NONE = 0x00, 25 LWMI_GZ_THERMAL_MODE_QUIET = 0x01, 26 LWMI_GZ_THERMAL_MODE_BALANCED = 0x02, 27 LWMI_GZ_THERMAL_MODE_PERFORMANCE = 0x03, 28 LWMI_GZ_THERMAL_MODE_EXTREME = 0xE0, /* Ver 6+ */ 29 LWMI_GZ_THERMAL_MODE_CUSTOM = 0xFF, 30 }; 31 32 int lwmi_dev_evaluate_int(struct wmi_device *wdev, u8 instance, u32 method_id, 33 unsigned char *buf, size_t size, u32 *retval); 34 35 int lwmi_tm_register_notifier(struct notifier_block *nb); 36 int lwmi_tm_unregister_notifier(struct notifier_block *nb); 37 int devm_lwmi_tm_register_notifier(struct device *dev, 38 struct notifier_block *nb); 39 int lwmi_tm_notifier_call(enum thermal_mode *mode); 40 41 #endif /* !_LENOVO_WMI_HELPERS_H_ */ 42