diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dpll.h')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_dpll.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dpll.h b/drivers/gpu/drm/i915/display/intel_dpll.h new file mode 100644 index 000000000..bbc30542f --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_dpll.h @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2020 Intel Corporation + */ + +#ifndef _INTEL_DPLL_H_ +#define _INTEL_DPLL_H_ + +#include <linux/types.h> + +struct dpll; +struct drm_i915_private; +struct intel_atomic_state; +struct intel_crtc; +struct intel_crtc_state; +enum pipe; + +void intel_dpll_init_clock_hook(struct drm_i915_private *dev_priv); +int intel_dpll_crtc_compute_clock(struct intel_atomic_state *state, + struct intel_crtc *crtc); +int intel_dpll_crtc_get_shared_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc); +int vlv_calc_dpll_params(int refclk, struct dpll *clock); +int pnv_calc_dpll_params(int refclk, struct dpll *clock); +int i9xx_calc_dpll_params(int refclk, struct dpll *clock); +u32 i9xx_dpll_compute_fp(const struct dpll *dpll); +void vlv_compute_dpll(struct intel_crtc_state *crtc_state); +void chv_compute_dpll(struct intel_crtc_state *crtc_state); + +int vlv_force_pll_on(struct drm_i915_private *dev_priv, enum pipe pipe, + const struct dpll *dpll); +void vlv_force_pll_off(struct drm_i915_private *dev_priv, enum pipe pipe); + +void chv_enable_pll(const struct intel_crtc_state *crtc_state); +void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe); +void vlv_enable_pll(const struct intel_crtc_state *crtc_state); +void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe); +void i9xx_enable_pll(const struct intel_crtc_state *crtc_state); +void i9xx_disable_pll(const struct intel_crtc_state *crtc_state); +bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, + struct dpll *best_clock); +int chv_calc_dpll_params(int refclk, struct dpll *pll_clock); + +void assert_pll_enabled(struct drm_i915_private *i915, enum pipe pipe); +void assert_pll_disabled(struct drm_i915_private *i915, enum pipe pipe); + +#endif |