/*
 * Copyright 2006-2015, Haiku, Inc. All Rights Reserved.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *      Axel Dörfler, axeld@pinc-software.de
 *      Alexander von Gluck IV, kallisti5@unixzen.com
 */
#ifndef INTEL_EXTREME_PLL_H
#define INTEL_EXTREME_PLL_H


#include "intel_extreme.h"


struct pll_divisors {
        uint32  p;
        uint32  p1;
        uint32  p2;
        uint32  n;
        uint32  m;
        uint32  m1;
        uint32  m2;
};

struct pll_limits {
        pll_divisors    min;
        pll_divisors    max;
        uint32                  dot_limit;
        uint32          min_vco;
        uint32          max_vco;
};

struct skl_wrpll_params {
        uint32 dco_fraction;
        uint32 dco_integer;
        uint32 qdiv_ratio;
        uint32 qdiv_mode;
        uint32 kdiv;
        uint32 pdiv;
        uint32 central_freq;
};

bool valid_pll_divisors(pll_divisors* divisors, pll_limits* limits);
void compute_pll_divisors(display_timing* current, pll_divisors* divisors,
        bool isLVDS);

void refclk_activate_ilk(bool hasPanel);

void hsw_ddi_calculate_wrpll(int clock /* in Hz */,
                        unsigned *r2_out, unsigned *n2_out, unsigned *p_out);
bool skl_ddi_calculate_wrpll(int clock /* in Hz */,
                        int ref_clock, struct skl_wrpll_params *wrpll_params);

#endif /* INTEL_EXTREME_PLL_H */