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 17 void intel_hpd_poll_init(struct drm_i915_private *dev_priv); 18 enum intel_hotplug_state intel_encoder_hotplug(struct intel_encoder *encoder, 19 struct intel_connector *connector, 20 bool irq_received); 21 void intel_hpd_irq_handler(struct drm_i915_private *dev_priv, 22 u32 pin_mask, u32 long_mask); 23 void intel_hpd_init(struct drm_i915_private *dev_priv); 24 void intel_hpd_init_work(struct drm_i915_private *dev_priv); 25 void intel_hpd_cancel_work(struct drm_i915_private *dev_priv); 26 enum hpd_pin intel_hpd_pin_default(struct drm_i915_private *dev_priv, 27 enum port port); 28 bool intel_hpd_disable(struct drm_i915_private *dev_priv, enum hpd_pin pin); 29 void intel_hpd_enable(struct drm_i915_private *dev_priv, enum hpd_pin pin); 30 31 #endif /* __INTEL_HOTPLUG_H__ */ 32