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_atomic_state;
14struct intel_crtc;
15struct intel_crtc_state;
16enum pipe;
17
18void intel_dpll_init_clock_hook(struct drm_i915_private *dev_priv);
19int intel_dpll_crtc_compute_clock(struct intel_atomic_state *state,
20				  struct intel_crtc *crtc);
21int intel_dpll_crtc_get_shared_dpll(struct intel_atomic_state *state,
22				    struct intel_crtc *crtc);
23int i9xx_calc_dpll_params(int refclk, struct dpll *clock);
24u32 i9xx_dpll_compute_fp(const struct dpll *dpll);
25void vlv_compute_dpll(struct intel_crtc_state *crtc_state);
26void chv_compute_dpll(struct intel_crtc_state *crtc_state);
27
28int vlv_force_pll_on(struct drm_i915_private *dev_priv, enum pipe pipe,
29		     const struct dpll *dpll);
30void vlv_force_pll_off(struct drm_i915_private *dev_priv, enum pipe pipe);
31
32void chv_enable_pll(const struct intel_crtc_state *crtc_state);
33void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe);
34void vlv_enable_pll(const struct intel_crtc_state *crtc_state);
35void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe);
36void i9xx_enable_pll(const struct intel_crtc_state *crtc_state);
37void i9xx_disable_pll(const struct intel_crtc_state *crtc_state);
38bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state,
39			struct dpll *best_clock);
40int chv_calc_dpll_params(int refclk, struct dpll *pll_clock);
41
42void i9xx_crtc_clock_get(struct intel_crtc *crtc,
43			 struct intel_crtc_state *pipe_config);
44void vlv_crtc_clock_get(struct intel_crtc *crtc,
45			struct intel_crtc_state *pipe_config);
46void chv_crtc_clock_get(struct intel_crtc *crtc,
47			struct intel_crtc_state *pipe_config);
48
49void assert_pll_enabled(struct drm_i915_private *i915, enum pipe pipe);
50void assert_pll_disabled(struct drm_i915_private *i915, enum pipe pipe);
51
52#endif
53