linux/drivers/gpu/drm/i915/display/intel_dpll.h
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   1/* SPDX-License-Identifier: MIT */
   2/*
   3 * Copyright © 2020 Intel Corporation
   4 */
   5
   6#ifndef _INTEL_DPLL_H_
   7#define _INTEL_DPLL_H_
   8
   9#include <linux/types.h>
  10
  11struct dpll;
  12struct drm_i915_private;
  13struct intel_crtc;
  14struct intel_crtc_state;
  15enum pipe;
  16
  17void intel_dpll_init_clock_hook(struct drm_i915_private *dev_priv);
  18int vlv_calc_dpll_params(int refclk, struct dpll *clock);
  19int pnv_calc_dpll_params(int refclk, struct dpll *clock);
  20int i9xx_calc_dpll_params(int refclk, struct dpll *clock);
  21void vlv_compute_dpll(struct intel_crtc *crtc,
  22                      struct intel_crtc_state *pipe_config);
  23void chv_compute_dpll(struct intel_crtc *crtc,
  24                      struct intel_crtc_state *pipe_config);
  25
  26int vlv_force_pll_on(struct drm_i915_private *dev_priv, enum pipe pipe,
  27                     const struct dpll *dpll);
  28void vlv_force_pll_off(struct drm_i915_private *dev_priv, enum pipe pipe);
  29void i9xx_enable_pll(struct intel_crtc *crtc,
  30                     const struct intel_crtc_state *crtc_state);
  31void vlv_enable_pll(struct intel_crtc *crtc,
  32                    const struct intel_crtc_state *pipe_config);
  33void chv_enable_pll(struct intel_crtc *crtc,
  34                    const struct intel_crtc_state *pipe_config);
  35void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe);
  36void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe);
  37void i9xx_disable_pll(const struct intel_crtc_state *crtc_state);
  38void vlv_prepare_pll(struct intel_crtc *crtc,
  39                     const struct intel_crtc_state *pipe_config);
  40void chv_prepare_pll(struct intel_crtc *crtc,
  41                     const struct intel_crtc_state *pipe_config);
  42bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state,
  43                        struct dpll *best_clock);
  44int chv_calc_dpll_params(int refclk, struct dpll *pll_clock);
  45
  46#endif
  47