1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2019 Intel Corporation 4 */ 5 6 #ifndef __INTEL_FBC_H__ 7 #define __INTEL_FBC_H__ 8 9 #include <linux/types.h> 10 11 enum fb_op_origin; 12 struct drm_i915_private; 13 struct intel_atomic_state; 14 struct intel_crtc; 15 struct intel_crtc_state; 16 struct intel_fbc; 17 struct intel_plane; 18 struct intel_plane_state; 19 20 enum intel_fbc_id { 21 INTEL_FBC_A, 22 INTEL_FBC_B, 23 INTEL_FBC_C, 24 INTEL_FBC_D, 25 26 I915_MAX_FBCS, 27 }; 28 29 int intel_fbc_atomic_check(struct intel_atomic_state *state); 30 bool intel_fbc_pre_update(struct intel_atomic_state *state, 31 struct intel_crtc *crtc); 32 void intel_fbc_post_update(struct intel_atomic_state *state, 33 struct intel_crtc *crtc); 34 void intel_fbc_init(struct drm_i915_private *dev_priv); 35 void intel_fbc_cleanup(struct drm_i915_private *dev_priv); 36 void intel_fbc_sanitize(struct drm_i915_private *dev_priv); 37 void intel_fbc_update(struct intel_atomic_state *state, 38 struct intel_crtc *crtc); 39 void intel_fbc_disable(struct intel_crtc *crtc); 40 void intel_fbc_invalidate(struct drm_i915_private *dev_priv, 41 unsigned int frontbuffer_bits, 42 enum fb_op_origin origin); 43 void intel_fbc_flush(struct drm_i915_private *dev_priv, 44 unsigned int frontbuffer_bits, enum fb_op_origin origin); 45 void intel_fbc_add_plane(struct intel_fbc *fbc, struct intel_plane *plane); 46 void intel_fbc_handle_fifo_underrun_irq(struct drm_i915_private *i915); 47 void intel_fbc_reset_underrun(struct drm_i915_private *i915); 48 void intel_fbc_crtc_debugfs_add(struct intel_crtc *crtc); 49 void intel_fbc_debugfs_register(struct drm_i915_private *i915); 50 51 #endif /* __INTEL_FBC_H__ */ 52