drivers/gpu/drm/i915/gt/uc/intel_uc.h

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