| 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 | |
| 11 | struct 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 | */ |
| 21 | enum 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 | |
| 31 | struct oobmsm_plat_info *tpmi_get_platform_data(struct auxiliary_device *auxdev); |
| 32 | struct resource *tpmi_get_resource_at_index(struct auxiliary_device *auxdev, int index); |
| 33 | int tpmi_get_resource_count(struct auxiliary_device *auxdev); |
| 34 | int tpmi_get_feature_status(struct auxiliary_device *auxdev, int feature_id, bool *read_blocked, |
| 35 | bool *write_blocked); |
| 36 | struct dentry *tpmi_get_debugfs_dir(struct auxiliary_device *auxdev); |
| 37 | #endif |
| 38 | |