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linux/drivers/gpu/drm/i915/display/intel_dpll.h
Ville Syrjälä 0bfdd6da01 drm/i915: Carve up struct intel_dpll_hw_state
struct intel_dpll_hw_state has a spot for all possible
PLL registers across all platforms (well, apart from
cx0/snps). This makes it rather confusing when trying to
figure out which members belong to which platform(s).

Split the struct up into five different platform specific
sub-structures. For now this will actually increase the size
a little bit as we have to duplicate a few members from
skl to icl, but that will be remedied soon when we turn
the thing into a union.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-17-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17 17:02:24 +03:00

52 lines
1.9 KiB
C

/* 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;
struct intel_dpll_hw_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 i9xx_calc_dpll_params(int refclk, struct dpll *clock);
u32 i9xx_dpll_compute_fp(const struct dpll *dpll);
void i9xx_dpll_get_hw_state(struct intel_crtc *crtc,
struct intel_dpll_hw_state *dpll_hw_state);
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 i9xx_crtc_clock_get(struct intel_crtc_state *crtc_state);
void vlv_crtc_clock_get(struct intel_crtc_state *crtc_state);
void chv_crtc_clock_get(struct intel_crtc_state *crtc_state);
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