drivers/gpu/drm/i915/display/intel_hotplug.h

   1 /* SPDX-License-Identifier: MIT */
   2 /*
   3  * Copyright © 2019 Intel Corporation
   4  */
   5
   6 #ifndef __INTEL_HOTPLUG_H__
   7 #define __INTEL_HOTPLUG_H__
   8
   9 #include <linux/types.h>
  10
  11 #include <drm/i915_drm.h>
  12
  13 struct drm_i915_private;
  14 struct intel_connector;
  15 struct intel_encoder;
  16 enum port;
  17
  18 void intel_hpd_poll_init(struct drm_i915_private *dev_priv);
  19 enum intel_hotplug_state intel_encoder_hotplug(struct intel_encoder *encoder,
  20                                                struct intel_connector *connector,
  21                                                bool irq_received);
  22 void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
  23                            u32 pin_mask, u32 long_mask);
  24 void intel_hpd_init(struct drm_i915_private *dev_priv);
  25 void intel_hpd_init_work(struct drm_i915_private *dev_priv);
  26 void intel_hpd_cancel_work(struct drm_i915_private *dev_priv);
  27 enum hpd_pin intel_hpd_pin_default(struct drm_i915_private *dev_priv,
  28                                    enum port port);
  29 bool intel_hpd_disable(struct drm_i915_private *dev_priv, enum hpd_pin pin);
  30 void intel_hpd_enable(struct drm_i915_private *dev_priv, enum hpd_pin pin);
  31
  32 #endif /* __INTEL_HOTPLUG_H__ */