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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * intel_tpmi.h: Intel TPMI core external interface
4 */
5
6#ifndef _INTEL_TPMI_H_
7#define _INTEL_TPMI_H_
8
9#include <linux/bitfield.h>
10
11struct oobmsm_plat_info;
12
13#define TPMI_VERSION_INVALID 0xff
14#define TPMI_MINOR_VERSION(val) FIELD_GET(GENMASK(4, 0), val)
15#define TPMI_MAJOR_VERSION(val) FIELD_GET(GENMASK(7, 5), val)
16
17/*
18 * List of supported TMPI IDs.
19 * Some TMPI IDs are not used by Linux, so the numbers are not consecutive.
20 */
21enum intel_tpmi_id {
22 TPMI_ID_RAPL = 0, /* Running Average Power Limit */
23 TPMI_ID_PEM = 1, /* Power and Perf excursion Monitor */
24 TPMI_ID_UNCORE = 2, /* Uncore Frequency Scaling */
25 TPMI_ID_SST = 5, /* Speed Select Technology */
26 TPMI_ID_PLR = 0xc, /* Performance Limit Reasons */
27 TPMI_CONTROL_ID = 0x80, /* Special ID for getting feature status */
28 TPMI_INFO_ID = 0x81, /* Special ID for PCI BDF and Package ID information */
29};
30
31struct oobmsm_plat_info *tpmi_get_platform_data(struct auxiliary_device *auxdev);
32struct resource *tpmi_get_resource_at_index(struct auxiliary_device *auxdev, int index);
33int tpmi_get_resource_count(struct auxiliary_device *auxdev);
34int tpmi_get_feature_status(struct auxiliary_device *auxdev, int feature_id, bool *read_blocked,
35 bool *write_blocked);
36struct dentry *tpmi_get_debugfs_dir(struct auxiliary_device *auxdev);
37#endif