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 intel_atomic_state; 13 struct intel_crtc; 14 struct intel_crtc_state; 15 struct intel_display; 16 struct intel_dsb; 17 struct intel_fbc; 18 struct intel_plane; 19 struct intel_plane_state; 20 21 enum intel_fbc_id { 22 INTEL_FBC_A, 23 INTEL_FBC_B, 24 INTEL_FBC_C, 25 INTEL_FBC_D, 26 27 I915_MAX_FBCS, 28 }; 29 30 int intel_fbc_atomic_check(struct intel_atomic_state *state); 31 int intel_fbc_min_cdclk(const struct intel_crtc_state *crtc_state); 32 bool intel_fbc_pre_update(struct intel_atomic_state *state, 33 struct intel_crtc *crtc); 34 void intel_fbc_post_update(struct intel_atomic_state *state, 35 struct intel_crtc *crtc); 36 void intel_fbc_init(struct intel_display *display); 37 void intel_fbc_cleanup(struct intel_display *display); 38 void intel_fbc_sanitize(struct intel_display *display); 39 void intel_fbc_update(struct intel_atomic_state *state, 40 struct intel_crtc *crtc); 41 void intel_fbc_disable(struct intel_crtc *crtc); 42 void intel_fbc_invalidate(struct intel_display *display, 43 unsigned int frontbuffer_bits, 44 enum fb_op_origin origin); 45 void intel_fbc_flush(struct intel_display *display, 46 unsigned int frontbuffer_bits, enum fb_op_origin origin); 47 void intel_fbc_add_plane(struct intel_fbc *fbc, struct intel_plane *plane); 48 void intel_fbc_handle_fifo_underrun_irq(struct intel_display *display); 49 void intel_fbc_reset_underrun(struct intel_display *display); 50 void intel_fbc_crtc_debugfs_add(struct intel_crtc *crtc); 51 void intel_fbc_debugfs_register(struct intel_display *display); 52 void intel_fbc_prepare_dirty_rect(struct intel_atomic_state *state, 53 struct intel_crtc *crtc); 54 void intel_fbc_dirty_rect_update_noarm(struct intel_dsb *dsb, 55 struct intel_plane *plane); 56 bool 57 intel_fbc_is_enable_pixel_normalizer(const struct intel_plane_state *plane_state); 58 59 #endif /* __INTEL_FBC_H__ */ 60