diff options
Diffstat (limited to 'include/linux/intel_tpmi.h')
| -rw-r--r-- | include/linux/intel_tpmi.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/include/linux/intel_tpmi.h b/include/linux/intel_tpmi.h new file mode 100644 index 000000000000..94c06bf214fb --- /dev/null +++ b/include/linux/intel_tpmi.h @@ -0,0 +1,37 @@ +/* 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 */ +}; + +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 |