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_encoder;
14 enum port;
15 
16 void intel_hpd_poll_init(struct drm_i915_private *dev_priv);
17 enum intel_hotplug_state intel_encoder_hotplug(struct intel_encoder *encoder,
18 					       struct intel_connector *connector,
19 					       bool irq_received);
20 void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
21 			   u32 pin_mask, u32 long_mask);
22 void intel_hpd_init(struct drm_i915_private *dev_priv);
23 void intel_hpd_init_work(struct drm_i915_private *dev_priv);
24 void intel_hpd_cancel_work(struct drm_i915_private *dev_priv);
25 enum hpd_pin intel_hpd_pin_default(struct drm_i915_private *dev_priv,
26 				   enum port port);
27 bool intel_hpd_disable(struct drm_i915_private *dev_priv, enum hpd_pin pin);
28 void intel_hpd_enable(struct drm_i915_private *dev_priv, enum hpd_pin pin);
29 
30 #endif /* __INTEL_HOTPLUG_H__ */
31