intel_tpmi.h

 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