drivers/gpu/drm/i915/display/intel_dpll.h

   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
  11 struct dpll;
  12 struct drm_i915_private;
  13 struct intel_crtc;
  14 struct intel_crtc_state;
  15 enum pipe;
  16
  17 void intel_dpll_init_clock_hook(struct drm_i915_private *dev_priv);
  18 int vlv_calc_dpll_params(int refclk, struct dpll *clock);
  19 int pnv_calc_dpll_params(int refclk, struct dpll *clock);
  20 int i9xx_calc_dpll_params(int refclk, struct dpll *clock);
  21 void vlv_compute_dpll(struct intel_crtc *crtc,
  22                       struct intel_crtc_state *pipe_config);
  23 void chv_compute_dpll(struct intel_crtc *crtc,
  24                       struct intel_crtc_state *pipe_config);
  25
  26 int vlv_force_pll_on(struct drm_i915_private *dev_priv, enum pipe pipe,
  27                      const struct dpll *dpll);
  28 void vlv_force_pll_off(struct drm_i915_private *dev_priv, enum pipe pipe);
  29 void i9xx_enable_pll(struct intel_crtc *crtc,
  30                      const struct intel_crtc_state *crtc_state);
  31 void vlv_enable_pll(struct intel_crtc *crtc,
  32                     const struct intel_crtc_state *pipe_config);
  33 void chv_enable_pll(struct intel_crtc *crtc,
  34                     const struct intel_crtc_state *pipe_config);
  35 void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe);
  36 void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe);
  37 void i9xx_disable_pll(const struct intel_crtc_state *crtc_state);
  38 void vlv_prepare_pll(struct intel_crtc *crtc,
  39                      const struct intel_crtc_state *pipe_config);
  40 void chv_prepare_pll(struct intel_crtc *crtc,
  41                      const struct intel_crtc_state *pipe_config);
  42 bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state,
  43                         struct dpll *best_clock);
  44 int chv_calc_dpll_params(int refclk, struct dpll *pll_clock);
  45
  46 #endif