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/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2014-2019 Intel Corporation
*/
#ifndef _INTEL_HUC_H_
#define _INTEL_HUC_H_
#include "i915_reg_defs.h"
#include "intel_uc_fw.h"
#include "intel_huc_fw.h"
struct intel_huc {
/* Generic uC firmware management */
struct intel_uc_fw fw;
/* HuC-specific additions */
struct {
i915_reg_t reg;
u32 mask;
u32 value;
} status;
};
void intel_huc_init_early(struct intel_huc *huc);
int intel_huc_init(struct intel_huc *huc);
void intel_huc_fini(struct intel_huc *huc);
int intel_huc_auth(struct intel_huc *huc);
int intel_huc_check_status(struct intel_huc *huc);
void intel_huc_update_auth_status(struct intel_huc *huc);
static inline int intel_huc_sanitize(struct intel_huc *huc)
{
intel_uc_fw_sanitize(&huc->fw);
return 0;
}
static inline bool intel_huc_is_supported(struct intel_huc *huc)
{
return intel_uc_fw_is_supported(&huc->fw);
}
static inline bool intel_huc_is_wanted(struct intel_huc *huc)
{
return intel_uc_fw_is_enabled(&huc->fw);
}
static inline bool intel_huc_is_used(struct intel_huc *huc)
{
GEM_BUG_ON(__intel_uc_fw_status(&huc->fw) == INTEL_UC_FIRMWARE_SELECTED);
return intel_uc_fw_is_available(&huc->fw);
}
static inline bool intel_huc_is_loaded_by_gsc(const struct intel_huc *huc)
{
return huc->fw.loaded_via_gsc;
}
void intel_huc_load_status(struct intel_huc *huc, struct drm_printer *p);
#endif
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