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 struct drm_i915_private; 12 struct intel_connector; 13 struct intel_digital_port; 14 struct intel_encoder; 15 enum port; 16 17 void intel_hpd_poll_enable(struct drm_i915_private *dev_priv); 18 void intel_hpd_poll_disable(struct drm_i915_private *dev_priv); 19 enum intel_hotplug_state intel_encoder_hotplug(struct intel_encoder *encoder, 20 struct intel_connector *connector); 21 void intel_hpd_irq_handler(struct drm_i915_private *dev_priv, 22 u32 pin_mask, u32 long_mask); 23 void intel_hpd_trigger_irq(struct intel_digital_port *dig_port); 24 void intel_hpd_init(struct drm_i915_private *dev_priv); 25 void intel_hpd_init_early(struct drm_i915_private *i915); 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 void intel_hpd_debugfs_register(struct drm_i915_private *i915); 32 33 void intel_hpd_enable_detection_work(struct drm_i915_private *i915); 34 void intel_hpd_disable_detection_work(struct drm_i915_private *i915); 35 bool intel_hpd_schedule_detection(struct drm_i915_private *i915); 36 37 #endif /* __INTEL_HOTPLUG_H__ */ 38