/* SPDX-License-Identifier: GPL-2.0-only */ /* * intel_tpmi.h: Intel TPMI core external interface */ #ifndef _INTEL_TPMI_H_ #define _INTEL_TPMI_H_ #include <linux/bitfield.h> struct oobmsm_plat_info; #define TPMI_VERSION_INVALID 0xff #define TPMI_MINOR_VERSION(val) FIELD_GET(GENMASK(4, 0), val) #define TPMI_MAJOR_VERSION(val) FIELD_GET(GENMASK(7, 5), val) /* * List of supported TMPI IDs. * Some TMPI IDs are not used by Linux, so the numbers are not consecutive. */ enum intel_tpmi_id { TPMI_ID_RAPL = 0, /* Running Average Power Limit */ TPMI_ID_PEM = 1, /* Power and Perf excursion Monitor */ TPMI_ID_UNCORE = 2, /* Uncore Frequency Scaling */ TPMI_ID_SST = 5, /* Speed Select Technology */ TPMI_ID_PLR = 0xc, /* Performance Limit Reasons */ TPMI_CONTROL_ID = 0x80, /* Special ID for getting feature status */ TPMI_INFO_ID = 0x81, /* Special ID for PCI BDF and Package ID information */ }; #define TPMI_CORE_INIT 0 #define TPMI_CORE_EXIT 1 int tpmi_register_notifier(struct notifier_block *nb); int tpmi_unregister_notifier(struct notifier_block *nb); struct oobmsm_plat_info *tpmi_get_platform_data(struct auxiliary_device *auxdev); struct resource *tpmi_get_resource_at_index(struct auxiliary_device *auxdev, int index); int tpmi_get_resource_count(struct auxiliary_device *auxdev); int tpmi_get_feature_status(struct auxiliary_device *auxdev, int feature_id, bool *read_blocked, bool *write_blocked); struct dentry *tpmi_get_debugfs_dir(struct auxiliary_device *auxdev); #endif