drivers/gpu/drm/i915/display/intel_overlay.h

   1 /* SPDX-License-Identifier: MIT */
   2 /*
   3  * Copyright © 2019 Intel Corporation
   4  */
   5
   6 #ifndef __INTEL_OVERLAY_H__
   7 #define __INTEL_OVERLAY_H__
   8
   9 struct drm_device;
  10 struct drm_file;
  11 struct drm_i915_error_state_buf;
  12 struct drm_i915_private;
  13 struct intel_overlay;
  14 struct intel_overlay_error_state;
  15
  16 #ifdef I915
  17 void intel_overlay_setup(struct drm_i915_private *dev_priv);
  18 void intel_overlay_cleanup(struct drm_i915_private *dev_priv);
  19 int intel_overlay_switch_off(struct intel_overlay *overlay);
  20 int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
  21                                   struct drm_file *file_priv);
  22 int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data,
  23                               struct drm_file *file_priv);
  24 void intel_overlay_reset(struct drm_i915_private *dev_priv);
  25 struct intel_overlay_error_state *
  26 intel_overlay_capture_error_state(struct drm_i915_private *dev_priv);
  27 void intel_overlay_print_error_state(struct drm_i915_error_state_buf *e,
  28                                      struct intel_overlay_error_state *error);
  29 #else
  30 static inline void intel_overlay_setup(struct drm_i915_private *dev_priv)
  31 {
  32 }
  33 static inline void intel_overlay_cleanup(struct drm_i915_private *dev_priv)
  34 {
  35 }
  36 static inline int intel_overlay_switch_off(struct intel_overlay *overlay)
  37 {
  38         return 0;
  39 }
  40 static inline int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
  41                                   struct drm_file *file_priv)
  42 {
  43         return 0;
  44 }
  45 static inline int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data,
  46                                             struct drm_file *file_priv)
  47 {
  48         return 0;
  49 }
  50 static inline void intel_overlay_reset(struct drm_i915_private *dev_priv)
  51 {
  52 }
  53 static inline struct intel_overlay_error_state *
  54 intel_overlay_capture_error_state(struct drm_i915_private *dev_priv)
  55 {
  56         return NULL;
  57 }
  58 static inline void intel_overlay_print_error_state(struct drm_i915_error_state_buf *e,
  59                                                    struct intel_overlay_error_state *error)
  60 {
  61 }
  62 #endif
  63
  64 #endif /* __INTEL_OVERLAY_H__ */