USB-C Device API

USB-C Device APIs. More...

Modules
	Sink_callbacks
	Source_callbacks

Macros
#define	FIXED_5V_100MA_RDO   0x1100280a
	This Request Data Object (RDO) value can be returned from the policy_cb_get_rdo if 5V@100mA with the following options are sufficient for the Sink to operate.

Enumerations
enum	usbc_policy_request_t {   REQUEST_NOP , REQUEST_TC_DISABLED , REQUEST_TC_ERROR_RECOVERY , REQUEST_TC_END ,   REQUEST_PE_DR_SWAP , REQUEST_PE_HARD_RESET_SEND , REQUEST_PE_SOFT_RESET_SEND , REQUEST_PE_GET_SRC_CAPS ,   REQUEST_GET_SNK_CAPS , REQUEST_PE_GOTO_MIN }
	Device Policy Manager requests. More...
enum	usbc_policy_notify_t {   MSG_ACCEPT_RECEIVED , MSG_REJECTED_RECEIVED , MSG_DISCARDED , MSG_NOT_SUPPORTED_RECEIVED ,   DATA_ROLE_IS_UFP , DATA_ROLE_IS_DFP , PD_CONNECTED , NOT_PD_CONNECTED ,   TRANSITION_PS , PORT_PARTNER_NOT_RESPONSIVE , PROTOCOL_ERROR , SNK_TRANSITION_TO_DEFAULT ,   HARD_RESET_RECEIVED , POWER_CHANGE_0A0 , POWER_CHANGE_DEF , POWER_CHANGE_1A5 ,   POWER_CHANGE_3A0 , SENDER_RESPONSE_TIMEOUT , SOURCE_CAPABILITIES_RECEIVED }
	Device Policy Manager notifications. More...
enum	usbc_policy_check_t {   CHECK_POWER_ROLE_SWAP , CHECK_DATA_ROLE_SWAP_TO_DFP , CHECK_DATA_ROLE_SWAP_TO_UFP , CHECK_SNK_AT_DEFAULT_LEVEL ,   CHECK_VCONN_CONTROL , CHECK_SRC_PS_AT_DEFAULT_LEVEL }
	Device Policy Manager checks. More...
enum	usbc_policy_wait_t { WAIT_SINK_REQUEST , WAIT_POWER_ROLE_SWAP , WAIT_DATA_ROLE_SWAP , WAIT_VCONN_SWAP }
	Device Policy Manager Wait message notifications. More...
enum	usbc_snk_req_reply_t { SNK_REQUEST_VALID , SNK_REQUEST_REJECT , SNK_REQUEST_WAIT }
	Device Policy Manager's response to a Sink Request. More...

Functions
int	usbc_start (const struct device *dev)
	Start the USB-C Subsystem.
int	usbc_suspend (const struct device *dev)
	Suspend the USB-C Subsystem.
int	usbc_request (const struct device *dev, const enum usbc_policy_request_t req)
	Make a request of the USB-C Subsystem.
void	usbc_bypass_next_sleep (const struct device *dev)
void	usbc_set_dpm_data (const struct device *dev, void *dpm_data)
	Set pointer to Device Policy Manager (DPM) data.
void *	usbc_get_dpm_data (const struct device *dev)
	Get pointer to Device Policy Manager (DPM) data.
void	usbc_set_vconn_control_cb (const struct device *dev, const tcpc_vconn_control_cb_t cb)
	Set the callback used to set VCONN control.
void	usbc_set_vconn_discharge_cb (const struct device *dev, const tcpc_vconn_discharge_cb_t cb)
	Set the callback used to discharge VCONN.
void	usbc_set_policy_cb_check (const struct device *dev, const policy_cb_check_t cb)
	Set the callback used to check a policy.
void	usbc_set_policy_cb_notify (const struct device *dev, const policy_cb_notify_t cb)
	Set the callback used to notify Device Policy Manager of a policy change.
void	usbc_set_policy_cb_wait_notify (const struct device *dev, const policy_cb_wait_notify_t cb)
	Set the callback used to notify Device Policy Manager of WAIT message reception.
void	usbc_set_policy_cb_get_snk_cap (const struct device *dev, const policy_cb_get_snk_cap_t cb)
	Set the callback used to get the Sink Capabilities.
void	usbc_set_policy_cb_set_src_cap (const struct device *dev, const policy_cb_set_src_cap_t cb)
	Set the callback used to store the received Port Partner's Source Capabilities.
void	usbc_set_policy_cb_get_rdo (const struct device *dev, const policy_cb_get_rdo_t cb)
	Set the callback used to get the Request Data Object (RDO)
void	usbc_set_policy_cb_is_snk_at_default (const struct device *dev, const policy_cb_is_snk_at_default_t cb)
	Set the callback used to check if the sink power supply is at the default level.
void	usbc_set_policy_cb_get_src_rp (const struct device *dev, const policy_cb_get_src_rp_t cb)
	Set the callback used to get the Rp value that should be placed on the CC lines.
void	usbc_set_policy_cb_src_en (const struct device *dev, const policy_cb_src_en_t cb)
	Set the callback used to enable VBUS.
void	usbc_set_policy_cb_get_src_caps (const struct device *dev, const policy_cb_get_src_caps_t cb)
	Set the callback used to get the Source Capabilities from the Device Policy Manager.
void	usbc_set_policy_cb_check_sink_request (const struct device *dev, const policy_cb_check_sink_request_t cb)
	Set the callback used to check if Sink request is valid.
void	usbc_set_policy_cb_is_ps_ready (const struct device *dev, const policy_cb_is_ps_ready_t cb)
	Set the callback used to check if Source Power Supply is ready.
void	usbc_set_policy_cb_present_contract_is_valid (const struct device *dev, const policy_cb_present_contract_is_valid_t cb)
	Set the callback to check if present Contract is still valid.
void	usbc_set_policy_cb_change_src_caps (const struct device *dev, const policy_cb_change_src_caps_t cb)
	Set the callback used to request that a different set of Source Caps be sent to the Sink.
void	usbc_set_policy_cb_set_port_partner_snk_cap (const struct device *dev, const policy_cb_set_port_partner_snk_cap_t cb)
	Set the callback used to store the Capabilities received from a Sink Port Partner.

Detailed Description

USB-C Device APIs.

Since

3.3

Version

0.1.0

Macro Definition Documentation

FIXED_5V_100MA_RDO

#define FIXED_5V_100MA_RDO   0x1100280a

#include <include/zephyr/usb_c/usbc.h>

This Request Data Object (RDO) value can be returned from the policy_cb_get_rdo if 5V@100mA with the following options are sufficient for the Sink to operate.

The RDO is configured as follows: Maximum operating current 100mA Operating current 100mA Unchunked Extended Messages Not Supported No USB Suspend Not USB Communications Capable No capability mismatch Don't giveback Object position 1 (5V PDO)

Enumeration Type Documentation

usbc_policy_check_t

enum usbc_policy_check_t

#include <include/zephyr/usb_c/usbc.h>

Device Policy Manager checks.

Enumerator
CHECK_POWER_ROLE_SWAP	Check if Power Role Swap is allowed.
CHECK_DATA_ROLE_SWAP_TO_DFP	Check if Data Role Swap to DFP is allowed.
CHECK_DATA_ROLE_SWAP_TO_UFP	Check if Data Role Swap to UFP is allowed.
CHECK_SNK_AT_DEFAULT_LEVEL	Check if Sink is at default level.
CHECK_VCONN_CONTROL	Check if should control VCONN.
CHECK_SRC_PS_AT_DEFAULT_LEVEL	Check if Source Power Supply is at default level.

usbc_policy_notify_t

enum usbc_policy_notify_t

#include <include/zephyr/usb_c/usbc.h>

Device Policy Manager notifications.

Enumerator
MSG_ACCEPT_RECEIVED	Power Delivery Accept message was received.
MSG_REJECTED_RECEIVED	Power Delivery Reject message was received.
MSG_DISCARDED	Power Delivery discarded the message being transmitted.
MSG_NOT_SUPPORTED_RECEIVED	Power Delivery Not Supported message was received.
DATA_ROLE_IS_UFP	Data Role has been set to Upstream Facing Port (UFP)
DATA_ROLE_IS_DFP	Data Role has been set to Downstream Facing Port (DFP)
PD_CONNECTED	A PD Explicit Contract is in place.
NOT_PD_CONNECTED	No PD Explicit Contract is in place.
TRANSITION_PS	Transition the Power Supply.
PORT_PARTNER_NOT_RESPONSIVE	Port partner is not responsive.
PROTOCOL_ERROR	Protocol Error occurred.
SNK_TRANSITION_TO_DEFAULT	Transition the Sink to default.
HARD_RESET_RECEIVED	Hard Reset Received.
POWER_CHANGE_0A0	Sink SubPower state at 0V.
POWER_CHANGE_DEF	Sink SubPower state a 5V / 500mA.
POWER_CHANGE_1A5	Sink SubPower state a 5V / 1.5A.
POWER_CHANGE_3A0	Sink SubPower state a 5V / 3A.
SENDER_RESPONSE_TIMEOUT	Sender Response Timeout.
SOURCE_CAPABILITIES_RECEIVED	Source Capabilities Received.

usbc_policy_request_t

enum usbc_policy_request_t

#include <include/zephyr/usb_c/usbc.h>

Device Policy Manager requests.

Enumerator
REQUEST_NOP	No request.
REQUEST_TC_DISABLED	Request Type-C layer to transition to Disabled State.
REQUEST_TC_ERROR_RECOVERY	Request Type-C layer to transition to Error Recovery State.
REQUEST_TC_END	End of Type-C requests.
REQUEST_PE_DR_SWAP	Request Policy Engine layer to perform a Data Role Swap.
REQUEST_PE_HARD_RESET_SEND	Request Policy Engine layer to send a hard reset.
REQUEST_PE_SOFT_RESET_SEND	Request Policy Engine layer to send a soft reset.
REQUEST_PE_GET_SRC_CAPS	Request Policy Engine layer to get Source Capabilities from port partner.
REQUEST_GET_SNK_CAPS	Request Policy Engine to get Sink Capabilities from port partner.
REQUEST_PE_GOTO_MIN	Request Policy Engine to request the port partner to source minimum power.

usbc_policy_wait_t

enum usbc_policy_wait_t

#include <include/zephyr/usb_c/usbc.h>

Device Policy Manager Wait message notifications.

Enumerator
WAIT_SINK_REQUEST	The port partner is unable to meet the sink request at this time.
WAIT_POWER_ROLE_SWAP	The port partner is unable to do a Power Role Swap at this time.
WAIT_DATA_ROLE_SWAP	The port partner is unable to do a Data Role Swap at this time.
WAIT_VCONN_SWAP	The port partner is unable to do a VCONN Swap at this time.

usbc_snk_req_reply_t

enum usbc_snk_req_reply_t

#include <include/zephyr/usb_c/usbc.h>

Device Policy Manager's response to a Sink Request.

Enumerator
SNK_REQUEST_VALID	The sink port partner's request can be met.
SNK_REQUEST_REJECT	The sink port partner's request can not be met.
SNK_REQUEST_WAIT	The sink port partner's request can be met at a later time.

Function Documentation

usbc_bypass_next_sleep()

void usbc_bypass_next_sleep

(

const struct device *

dev

)

#include <include/zephyr/usb_c/usbc.h>

usbc_get_dpm_data()

void * usbc_get_dpm_data

(

const struct device *

dev

)

#include <include/zephyr/usb_c/usbc.h>

Get pointer to Device Policy Manager (DPM) data.

Parameters

dev	Runtime device structure

Return values

pointer	to dpm data that was set with usbc_set_dpm_data
NULL	if dpm data was not set

usbc_request()

int usbc_request	(	const struct device *	dev,
		const enum usbc_policy_request_t	req
	)

#include <include/zephyr/usb_c/usbc.h>

Make a request of the USB-C Subsystem.

Parameters

dev	Runtime device structure
req	request

Return values

0	on success

usbc_set_dpm_data()

void usbc_set_dpm_data	(	const struct device *	dev,
		void *	dpm_data
	)

#include <include/zephyr/usb_c/usbc.h>

Set pointer to Device Policy Manager (DPM) data.

Parameters

dev	Runtime device structure
dpm_data	pointer to dpm data

usbc_set_policy_cb_change_src_caps()

void usbc_set_policy_cb_change_src_caps	(	const struct device *	dev,
		const policy_cb_change_src_caps_t	cb
	)

#include <include/zephyr/usb_c/usbc.h>

Set the callback used to request that a different set of Source Caps be sent to the Sink.

Parameters

dev	USB-C Connector Instance
cb	callback

usbc_set_policy_cb_check()

void usbc_set_policy_cb_check	(	const struct device *	dev,
		const policy_cb_check_t	cb
	)

#include <include/zephyr/usb_c/usbc.h>

Set the callback used to check a policy.

Parameters

dev	Runtime device structure
cb	callback

usbc_set_policy_cb_check_sink_request()

void usbc_set_policy_cb_check_sink_request	(	const struct device *	dev,
		const policy_cb_check_sink_request_t	cb
	)

#include <include/zephyr/usb_c/usbc.h>

Set the callback used to check if Sink request is valid.

Parameters

dev	USB-C Connector Instance
cb	callback

usbc_set_policy_cb_get_rdo()

void usbc_set_policy_cb_get_rdo	(	const struct device *	dev,
		const policy_cb_get_rdo_t	cb
	)

#include <include/zephyr/usb_c/usbc.h>

Set the callback used to get the Request Data Object (RDO)

Parameters

dev	Runtime device structure
cb	callback

usbc_set_policy_cb_get_snk_cap()

void usbc_set_policy_cb_get_snk_cap	(	const struct device *	dev,
		const policy_cb_get_snk_cap_t	cb
	)

#include <include/zephyr/usb_c/usbc.h>

Set the callback used to get the Sink Capabilities.

Parameters

dev	Runtime device structure
cb	callback

usbc_set_policy_cb_get_src_caps()

void usbc_set_policy_cb_get_src_caps	(	const struct device *	dev,
		const policy_cb_get_src_caps_t	cb
	)

#include <include/zephyr/usb_c/usbc.h>

Set the callback used to get the Source Capabilities from the Device Policy Manager.

Parameters

dev	USB-C Connector Instance
cb	callback

usbc_set_policy_cb_get_src_rp()

void usbc_set_policy_cb_get_src_rp	(	const struct device *	dev,
		const policy_cb_get_src_rp_t	cb
	)

#include <include/zephyr/usb_c/usbc.h>

Set the callback used to get the Rp value that should be placed on the CC lines.

Parameters

dev	USB-C Connector Instance
cb	callback

usbc_set_policy_cb_is_ps_ready()

void usbc_set_policy_cb_is_ps_ready	(	const struct device *	dev,
		const policy_cb_is_ps_ready_t	cb
	)

#include <include/zephyr/usb_c/usbc.h>

Set the callback used to check if Source Power Supply is ready.

Parameters

dev	USB-C Connector Instance
cb	callback

usbc_set_policy_cb_is_snk_at_default()

void usbc_set_policy_cb_is_snk_at_default	(	const struct device *	dev,
		const policy_cb_is_snk_at_default_t	cb
	)

#include <include/zephyr/usb_c/usbc.h>

Set the callback used to check if the sink power supply is at the default level.

Parameters

dev	Runtime device structure
cb	callback

usbc_set_policy_cb_notify()

void usbc_set_policy_cb_notify	(	const struct device *	dev,
		const policy_cb_notify_t	cb
	)

#include <include/zephyr/usb_c/usbc.h>

Set the callback used to notify Device Policy Manager of a policy change.

Parameters

dev	Runtime device structure
cb	callback

usbc_set_policy_cb_present_contract_is_valid()

void usbc_set_policy_cb_present_contract_is_valid	(	const struct device *	dev,
		const policy_cb_present_contract_is_valid_t	cb
	)

#include <include/zephyr/usb_c/usbc.h>

Set the callback to check if present Contract is still valid.

Parameters

dev	USB-C Connector Instance
cb	callback

usbc_set_policy_cb_set_port_partner_snk_cap()

void usbc_set_policy_cb_set_port_partner_snk_cap	(	const struct device *	dev,
		const policy_cb_set_port_partner_snk_cap_t	cb
	)

#include <include/zephyr/usb_c/usbc.h>

Set the callback used to store the Capabilities received from a Sink Port Partner.

Parameters

dev	USB-C Connector Instance
cb	callback

usbc_set_policy_cb_set_src_cap()

void usbc_set_policy_cb_set_src_cap	(	const struct device *	dev,
		const policy_cb_set_src_cap_t	cb
	)

#include <include/zephyr/usb_c/usbc.h>

Set the callback used to store the received Port Partner's Source Capabilities.

Parameters

dev	Runtime device structure
cb	callback

usbc_set_policy_cb_src_en()

void usbc_set_policy_cb_src_en	(	const struct device *	dev,
		const policy_cb_src_en_t	cb
	)

#include <include/zephyr/usb_c/usbc.h>

Set the callback used to enable VBUS.

Parameters

dev	USB-C Connector Instance
cb	callback

usbc_set_policy_cb_wait_notify()

void usbc_set_policy_cb_wait_notify	(	const struct device *	dev,
		const policy_cb_wait_notify_t	cb
	)

#include <include/zephyr/usb_c/usbc.h>

Set the callback used to notify Device Policy Manager of WAIT message reception.

Parameters

dev	Runtime device structure
cb	callback

usbc_set_vconn_control_cb()

void usbc_set_vconn_control_cb	(	const struct device *	dev,
		const tcpc_vconn_control_cb_t	cb
	)

#include <include/zephyr/usb_c/usbc.h>

Set the callback used to set VCONN control.

Parameters

dev	Runtime device structure
cb	VCONN control callback

usbc_set_vconn_discharge_cb()

void usbc_set_vconn_discharge_cb	(	const struct device *	dev,
		const tcpc_vconn_discharge_cb_t	cb
	)

#include <include/zephyr/usb_c/usbc.h>

Set the callback used to discharge VCONN.

Parameters

dev	Runtime device structure
cb	VCONN discharge callback

usbc_start()

int usbc_start

(

const struct device *

dev

)

#include <include/zephyr/usb_c/usbc.h>

Start the USB-C Subsystem.

Parameters

dev	Runtime device structure

Return values

0	on success

usbc_suspend()

int usbc_suspend

(

const struct device *

dev

)

#include <include/zephyr/usb_c/usbc.h>

Suspend the USB-C Subsystem.

Parameters

dev	Runtime device structure

Return values

0	on success