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 enum port; 12 struct intel_connector; 13 struct intel_digital_port; 14 struct intel_display; 15 struct intel_encoder; 16 17 void intel_hpd_poll_enable(struct intel_display *display); 18 void intel_hpd_poll_disable(struct intel_display *display); 19 void intel_hpd_poll_fini(struct intel_display *display); 20 enum intel_hotplug_state intel_encoder_hotplug(struct intel_encoder *encoder, 21 struct intel_connector *connector); 22 void intel_hpd_irq_handler(struct intel_display *display, 23 u32 pin_mask, u32 long_mask); 24 void intel_hpd_trigger_irq(struct intel_digital_port *dig_port); 25 void intel_hpd_init(struct intel_display *display); 26 void intel_hpd_init_early(struct intel_display *display); 27 void intel_hpd_cancel_work(struct intel_display *display); 28 enum hpd_pin intel_hpd_pin_default(enum port port); 29 void intel_hpd_block(struct intel_encoder *encoder); 30 void intel_hpd_unblock(struct intel_encoder *encoder); 31 void intel_hpd_clear_and_unblock(struct intel_encoder *encoder); 32 void intel_hpd_debugfs_register(struct intel_display *display); 33 34 void intel_hpd_enable_detection_work(struct intel_display *display); 35 void intel_hpd_disable_detection_work(struct intel_display *display); 36 bool intel_hpd_schedule_detection(struct intel_display *display); 37 38 #endif /* __INTEL_HOTPLUG_H__ */ 39