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