/* SPDX-License-Identifier: MIT */
/*
 * Copyright © 2025 Intel Corporation
 */

#ifndef __SKL_PREFILL_H__
#define __SKL_PREFILL_H__

#include <linux/types.h>

struct intel_crtc_state;

struct skl_prefill_ctx {
        /* .16 scanlines */
        struct {
                unsigned int fixed;
                unsigned int wm0;
                unsigned int scaler_1st;
                unsigned int scaler_2nd;
                unsigned int dsc;
                unsigned int full;
        } prefill;

        /* .16 adjustment factors */
        struct {
                unsigned int cdclk;
                unsigned int scaler_1st;
                unsigned int scaler_2nd;
        } adj;
};

void skl_prefill_init_worst(struct skl_prefill_ctx *ctx,
                            const struct intel_crtc_state *crtc_state);
void skl_prefill_init(struct skl_prefill_ctx *ctx,
                      const struct intel_crtc_state *crtc_state);

bool skl_prefill_vblank_too_short(const struct skl_prefill_ctx *ctx,
                                  const struct intel_crtc_state *crtc_state,
                                  unsigned int latency_us);
int skl_prefill_min_guardband(const struct skl_prefill_ctx *ctx,
                              const struct intel_crtc_state *crtc_state,
                              unsigned int latency_us);
int skl_prefill_min_cdclk(const struct skl_prefill_ctx *ctx,
                          const struct intel_crtc_state *crtc_state);

#endif /* __SKL_PREFILL_H__ */