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 u32 i9xx_dpll_compute_fp(const struct dpll *dpll); 22 void vlv_compute_dpll(struct intel_crtc_state *crtc_state); 23 void chv_compute_dpll(struct intel_crtc_state *crtc_state); 24 25 int vlv_force_pll_on(struct drm_i915_private *dev_priv, enum pipe pipe, 26 const struct dpll *dpll); 27 void vlv_force_pll_off(struct drm_i915_private *dev_priv, enum pipe pipe); 28 29 void chv_enable_pll(const struct intel_crtc_state *crtc_state); 30 void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe); 31 void vlv_enable_pll(const struct intel_crtc_state *crtc_state); 32 void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe); 33 void i9xx_enable_pll(const struct intel_crtc_state *crtc_state); 34 void i9xx_disable_pll(const struct intel_crtc_state *crtc_state); 35 bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, 36 struct dpll *best_clock); 37 int chv_calc_dpll_params(int refclk, struct dpll *pll_clock); 38 39 void assert_pll_enabled(struct drm_i915_private *i915, enum pipe pipe); 40 void assert_pll_disabled(struct drm_i915_private *i915, enum pipe pipe); 41 42 #endif 43