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 intel_dpll_crtc_compute_clock(struct intel_crtc_state *crtc_state); 19 int vlv_calc_dpll_params(int refclk, struct dpll *clock); 20 int pnv_calc_dpll_params(int refclk, struct dpll *clock); 21 int i9xx_calc_dpll_params(int refclk, struct dpll *clock); 22 u32 i9xx_dpll_compute_fp(const struct dpll *dpll); 23 void vlv_compute_dpll(struct intel_crtc_state *crtc_state); 24 void chv_compute_dpll(struct intel_crtc_state *crtc_state); 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 30 void chv_enable_pll(const struct intel_crtc_state *crtc_state); 31 void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe); 32 void vlv_enable_pll(const struct intel_crtc_state *crtc_state); 33 void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe); 34 void i9xx_enable_pll(const struct intel_crtc_state *crtc_state); 35 void i9xx_disable_pll(const struct intel_crtc_state *crtc_state); 36 bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, 37 struct dpll *best_clock); 38 int chv_calc_dpll_params(int refclk, struct dpll *pll_clock); 39 40 void assert_pll_enabled(struct drm_i915_private *i915, enum pipe pipe); 41 void assert_pll_disabled(struct drm_i915_private *i915, enum pipe pipe); 42 43 #endif 44