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      1 /*	$NetBSD: intel_uc.h,v 1.2 2021/12/18 23:45:31 riastradh Exp $	*/
      2 
      3 /* SPDX-License-Identifier: MIT */
      4 /*
      5  * Copyright  2014-2019 Intel Corporation
      6  */
      7 
      8 #ifndef _INTEL_UC_H_
      9 #define _INTEL_UC_H_
     10 
     11 #include "intel_guc.h"
     12 #include "intel_huc.h"
     13 #include "i915_params.h"
     14 
     15 struct intel_uc;
     16 
     17 struct intel_uc_ops {
     18 	int (*sanitize)(struct intel_uc *uc);
     19 	void (*init_fw)(struct intel_uc *uc);
     20 	void (*fini_fw)(struct intel_uc *uc);
     21 	void (*init)(struct intel_uc *uc);
     22 	void (*fini)(struct intel_uc *uc);
     23 	int (*init_hw)(struct intel_uc *uc);
     24 	void (*fini_hw)(struct intel_uc *uc);
     25 };
     26 
     27 struct intel_uc {
     28 	struct intel_uc_ops const *ops;
     29 	struct intel_guc guc;
     30 	struct intel_huc huc;
     31 
     32 	/* Snapshot of GuC log from last failed load */
     33 	struct drm_i915_gem_object *load_err_log;
     34 };
     35 
     36 void intel_uc_init_early(struct intel_uc *uc);
     37 void intel_uc_driver_late_release(struct intel_uc *uc);
     38 void intel_uc_init_mmio(struct intel_uc *uc);
     39 void intel_uc_reset_prepare(struct intel_uc *uc);
     40 void intel_uc_suspend(struct intel_uc *uc);
     41 void intel_uc_runtime_suspend(struct intel_uc *uc);
     42 int intel_uc_resume(struct intel_uc *uc);
     43 int intel_uc_runtime_resume(struct intel_uc *uc);
     44 
     45 static inline bool intel_uc_supports_guc(struct intel_uc *uc)
     46 {
     47 	return intel_guc_is_supported(&uc->guc);
     48 }
     49 
     50 static inline bool intel_uc_uses_guc(struct intel_uc *uc)
     51 {
     52 	return intel_guc_is_enabled(&uc->guc);
     53 }
     54 
     55 static inline bool intel_uc_supports_guc_submission(struct intel_uc *uc)
     56 {
     57 	return intel_guc_is_submission_supported(&uc->guc);
     58 }
     59 
     60 static inline bool intel_uc_uses_guc_submission(struct intel_uc *uc)
     61 {
     62 	return intel_guc_is_submission_supported(&uc->guc);
     63 }
     64 
     65 static inline bool intel_uc_supports_huc(struct intel_uc *uc)
     66 {
     67 	return intel_uc_supports_guc(uc);
     68 }
     69 
     70 static inline bool intel_uc_uses_huc(struct intel_uc *uc)
     71 {
     72 	return intel_huc_is_enabled(&uc->huc);
     73 }
     74 
     75 #define intel_uc_ops_function(_NAME, _OPS, _TYPE, _RET) \
     76 static inline _TYPE intel_uc_##_NAME(struct intel_uc *uc) \
     77 { \
     78 	if (uc->ops->_OPS) \
     79 		return uc->ops->_OPS(uc); \
     80 	return _RET; \
     81 }
     82 intel_uc_ops_function(sanitize, sanitize, int, 0);
     83 intel_uc_ops_function(fetch_firmwares, init_fw, void, );
     84 intel_uc_ops_function(cleanup_firmwares, fini_fw, void, );
     85 intel_uc_ops_function(init, init, void, );
     86 intel_uc_ops_function(fini, fini, void, );
     87 intel_uc_ops_function(init_hw, init_hw, int, 0);
     88 intel_uc_ops_function(fini_hw, fini_hw, void, );
     89 #undef intel_uc_ops_function
     90 
     91 #endif
     92