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_atomic_state; 14 struct intel_crtc; 15 struct intel_crtc_state; 16 struct intel_display; 17 struct intel_dpll_hw_state; 18 enum pipe; 19 20 void intel_dpll_init_clock_hook(struct drm_i915_private *dev_priv); 21 int intel_dpll_crtc_compute_clock(struct intel_atomic_state *state, 22 struct intel_crtc *crtc); 23 int intel_dpll_crtc_get_shared_dpll(struct intel_atomic_state *state, 24 struct intel_crtc *crtc); 25 int i9xx_calc_dpll_params(int refclk, struct dpll *clock); 26 u32 i9xx_dpll_compute_fp(const struct dpll *dpll); 27 void i9xx_dpll_get_hw_state(struct intel_crtc *crtc, 28 struct intel_dpll_hw_state *dpll_hw_state); 29 void vlv_compute_dpll(struct intel_crtc_state *crtc_state); 30 void chv_compute_dpll(struct intel_crtc_state *crtc_state); 31 32 int vlv_force_pll_on(struct drm_i915_private *dev_priv, enum pipe pipe, 33 const struct dpll *dpll); 34 void vlv_force_pll_off(struct drm_i915_private *dev_priv, enum pipe pipe); 35 36 void chv_enable_pll(const struct intel_crtc_state *crtc_state); 37 void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe); 38 void vlv_enable_pll(const struct intel_crtc_state *crtc_state); 39 void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe); 40 void i9xx_enable_pll(const struct intel_crtc_state *crtc_state); 41 void i9xx_disable_pll(const struct intel_crtc_state *crtc_state); 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 void i9xx_crtc_clock_get(struct intel_crtc_state *crtc_state); 47 void vlv_crtc_clock_get(struct intel_crtc_state *crtc_state); 48 void chv_crtc_clock_get(struct intel_crtc_state *crtc_state); 49 50 void assert_pll_enabled(struct intel_display *display, enum pipe pipe); 51 void assert_pll_disabled(struct intel_display *display, enum pipe pipe); 52 53 #endif 54