/* SPDX-License-Identifier: GPL-2.0-or-later */ /* Copyright (C) 2025 Derek J. Clark <derekjohn.clark@gmail.com> */ #ifndef _LENOVO_WMI_CAPDATA_H_ #define _LENOVO_WMI_CAPDATA_H_ #include <linux/bits.h> #include <linux/types.h> #define LWMI_SUPP_VALID BIT(0) #define LWMI_SUPP_GET BIT(1) #define LWMI_SUPP_SET BIT(2) #define LWMI_ATTR_DEV_ID_MASK GENMASK(31, 24) #define LWMI_ATTR_FEAT_ID_MASK GENMASK(23, 16) #define LWMI_ATTR_MODE_ID_MASK GENMASK(15, 8) #define LWMI_ATTR_TYPE_ID_MASK GENMASK(7, 0) #define LWMI_DEVICE_ID_FAN 0x04 struct component_match; struct device; struct cd_list; struct capdata00 { u32 id; u32 supported; u32 default_value; }; struct capdata01 { u32 id; u32 supported; u32 default_value; u32 step; u32 min_value; u32 max_value; }; struct capdata_fan { u32 id; u32 min_rpm; u32 max_rpm; }; typedef void (*cd_list_cb_t)(struct device *master_dev, struct cd_list *cd_list); struct lwmi_cd_binder { struct cd_list *cd00_list; struct cd_list *cd01_list; /* * May be called during or after the bind callback. * Will be called with NULL if capdata_fan does not exist. * The pointer is only valid in the callback; never keep it for later use! */ cd_list_cb_t cd_fan_list_cb; }; void lwmi_cd_match_add_all(struct device *master, struct component_match **matchptr); int lwmi_cd00_get_data(struct cd_list *list, u32 attribute_id, struct capdata00 *output); int lwmi_cd01_get_data(struct cd_list *list, u32 attribute_id, struct capdata01 *output); int lwmi_cd_fan_get_data(struct cd_list *list, u32 attribute_id, struct capdata_fan *output); #endif /* !_LENOVO_WMI_CAPDATA_H_ */