/* SPDX-License-Identifier: MIT */
/*
 * Copyright © 2019 Intel Corporation
 */

#ifndef __INTEL_FBC_H__
#define __INTEL_FBC_H__

#include <linux/types.h>

enum fb_op_origin;
enum pipe;
struct intel_atomic_state;
struct intel_crtc;
struct intel_crtc_state;
struct intel_display;
struct intel_dsb;
struct intel_fbc;
struct intel_plane;
struct intel_plane_state;

enum intel_fbc_id {
        INTEL_FBC_A,
        INTEL_FBC_B,
        INTEL_FBC_C,
        INTEL_FBC_D,

        I915_MAX_FBCS,
};

int intel_fbc_atomic_check(struct intel_atomic_state *state);
int intel_fbc_min_cdclk(const struct intel_crtc_state *crtc_state);
bool intel_fbc_pre_update(struct intel_atomic_state *state,
                          struct intel_crtc *crtc);
void intel_fbc_post_update(struct intel_atomic_state *state,
                           struct intel_crtc *crtc);
void intel_fbc_init(struct intel_display *display);
void intel_fbc_cleanup(struct intel_display *display);
void intel_fbc_sanitize(struct intel_display *display);
void intel_fbc_update(struct intel_atomic_state *state,
                      struct intel_crtc *crtc);
void intel_fbc_disable(struct intel_crtc *crtc);
void intel_fbc_invalidate(struct intel_display *display,
                          unsigned int frontbuffer_bits,
                          enum fb_op_origin origin);
void intel_fbc_flush(struct intel_display *display,
                     unsigned int frontbuffer_bits, enum fb_op_origin origin);
void intel_fbc_add_plane(struct intel_fbc *fbc, struct intel_plane *plane);
void intel_fbc_handle_fifo_underrun_irq(struct intel_display *display);
void intel_fbc_read_underrun_dbg_info(struct intel_display *display,
                                      enum pipe, bool log);
void intel_fbc_reset_underrun(struct intel_display *display);
void intel_fbc_crtc_debugfs_add(struct intel_crtc *crtc);
void intel_fbc_debugfs_register(struct intel_display *display);
void intel_fbc_prepare_dirty_rect(struct intel_atomic_state *state,
                                  struct intel_crtc *crtc);
void intel_fbc_dirty_rect_update_noarm(struct intel_dsb *dsb,
                                       struct intel_plane *plane);
bool intel_fbc_need_pixel_normalizer(const struct intel_plane_state *plane_state);

#endif /* __INTEL_FBC_H__ */