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/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2019 Intel Corporation
*/
#ifndef __INTEL_TC_H__
#define __INTEL_TC_H__
#include <linux/mutex.h>
#include <linux/types.h>
#include "intel_display.h"
#include "intel_display_power.h"
#include "intel_wakeref.h"
struct intel_crtc_state;
struct intel_digital_port;
struct intel_encoder;
enum tc_port_mode {
TC_PORT_DISCONNECTED,
TC_PORT_TBT_ALT,
TC_PORT_DP_ALT,
TC_PORT_LEGACY,
};
struct intel_tc_port {
struct intel_digital_port *dig_port;
struct mutex lock; /* protects the TypeC port mode */
intel_wakeref_t lock_wakeref;
enum intel_display_power_domain lock_power_domain;
struct delayed_work disconnect_phy_work;
int link_refcount;
bool legacy_port:1;
char port_name[8];
enum tc_port_mode mode;
enum tc_port_mode init_mode;
enum phy_fia phy_fia;
u8 phy_fia_idx;
};
bool intel_tc_port_in_tbt_alt_mode(struct intel_digital_port *dig_port);
bool intel_tc_port_in_dp_alt_mode(struct intel_digital_port *dig_port);
bool intel_tc_port_in_legacy_mode(struct intel_digital_port *dig_port);
bool intel_tc_port_connected(struct intel_encoder *encoder);
bool intel_tc_port_connected_locked(struct intel_encoder *encoder);
u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port);
u32 intel_tc_port_get_pin_assignment_mask(struct intel_digital_port *dig_port);
int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port);
void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port,
int required_lanes);
void intel_tc_port_init_mode(struct intel_digital_port *dig_port);
void intel_tc_port_sanitize_mode(struct intel_digital_port *dig_port,
const struct intel_crtc_state *crtc_state);
void intel_tc_port_lock(struct intel_digital_port *dig_port);
void intel_tc_port_unlock(struct intel_digital_port *dig_port);
void intel_tc_port_flush_work(struct intel_digital_port *dig_port);
void intel_tc_port_get_link(struct intel_digital_port *dig_port,
int required_lanes);
void intel_tc_port_put_link(struct intel_digital_port *dig_port);
bool intel_tc_port_ref_held(struct intel_digital_port *dig_port);
void intel_tc_port_init(struct intel_digital_port *dig_port, bool is_legacy);
bool intel_tc_cold_requires_aux_pw(struct intel_digital_port *dig_port);
#endif /* __INTEL_TC_H__ */
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