100 lines
3.0 KiB
C
100 lines
3.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright 2015-2017 Google, Inc
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* Copyright 2024 Collabora
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*/
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#ifndef __LINUX_USB_TCPM_H
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#define __LINUX_USB_TCPM_H
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#include <dm/of.h>
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#include <linux/bitops.h>
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#include "pd.h"
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enum typec_orientation {
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TYPEC_ORIENTATION_NONE,
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TYPEC_ORIENTATION_NORMAL,
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TYPEC_ORIENTATION_REVERSE,
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};
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enum typec_cc_status {
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TYPEC_CC_OPEN,
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TYPEC_CC_RA,
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TYPEC_CC_RD,
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TYPEC_CC_RP_DEF,
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TYPEC_CC_RP_1_5,
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TYPEC_CC_RP_3_0,
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};
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enum typec_cc_polarity {
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TYPEC_POLARITY_CC1,
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TYPEC_POLARITY_CC2,
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};
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enum tcpm_transmit_status {
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TCPC_TX_SUCCESS = 0,
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TCPC_TX_DISCARDED = 1,
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TCPC_TX_FAILED = 2,
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};
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enum tcpm_transmit_type {
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TCPC_TX_SOP = 0,
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TCPC_TX_SOP_PRIME = 1,
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TCPC_TX_SOP_PRIME_PRIME = 2,
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TCPC_TX_SOP_DEBUG_PRIME = 3,
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TCPC_TX_SOP_DEBUG_PRIME_PRIME = 4,
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TCPC_TX_HARD_RESET = 5,
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TCPC_TX_CABLE_RESET = 6,
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TCPC_TX_BIST_MODE_2 = 7
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};
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struct dm_tcpm_ops {
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int (*get_connector_node)(struct udevice *dev, ofnode *connector_node);
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int (*init)(struct udevice *dev);
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int (*get_vbus)(struct udevice *dev);
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int (*set_cc)(struct udevice *dev, enum typec_cc_status cc);
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int (*get_cc)(struct udevice *dev, enum typec_cc_status *cc1,
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enum typec_cc_status *cc2);
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int (*set_polarity)(struct udevice *dev,
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enum typec_cc_polarity polarity);
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int (*set_vconn)(struct udevice *dev, bool on);
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int (*set_vbus)(struct udevice *dev, bool on, bool charge);
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int (*set_pd_rx)(struct udevice *dev, bool on);
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int (*set_roles)(struct udevice *dev, bool attached,
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enum typec_role role, enum typec_data_role data);
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int (*start_toggling)(struct udevice *dev,
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enum typec_port_type port_type,
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enum typec_cc_status cc);
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int (*pd_transmit)(struct udevice *dev, enum tcpm_transmit_type type,
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const struct pd_message *msg, unsigned int negotiated_rev);
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void (*poll_event)(struct udevice *dev);
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int (*enter_low_power_mode)(struct udevice *dev, bool attached, bool pd_capable);
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};
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/* API for drivers */
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void tcpm_vbus_change(struct udevice *dev);
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void tcpm_cc_change(struct udevice *dev);
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void tcpm_pd_receive(struct udevice *dev, const struct pd_message *msg);
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void tcpm_pd_transmit_complete(struct udevice *dev,
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enum tcpm_transmit_status status);
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void tcpm_pd_hard_reset(struct udevice *dev);
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/* API for boards */
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extern const char * const typec_pd_rev_name[];
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extern const char * const typec_orientation_name[];
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extern const char * const typec_role_name[];
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extern const char * const typec_data_role_name[];
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extern const char * const typec_cc_status_name[];
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int tcpm_get(int index, struct udevice **devp);
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int tcpm_get_pd_rev(struct udevice *dev);
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int tcpm_get_current(struct udevice *dev);
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int tcpm_get_voltage(struct udevice *dev);
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enum typec_orientation tcpm_get_orientation(struct udevice *dev);
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enum typec_role tcpm_get_pwr_role(struct udevice *dev);
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enum typec_data_role tcpm_get_data_role(struct udevice *dev);
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bool tcpm_is_connected(struct udevice *dev);
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const char *tcpm_get_state(struct udevice *dev);
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#endif /* __LINUX_USB_TCPM_H */
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