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usb-c: Refactor USB-C Subsystem Sink

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Refactor USB-C Subsystem Sink so that Power Delivery
Source support and be easily added.

Signed-off-by: Sam Hurst <sbh1187@gmail.com>
This commit is contained in:
Sam Hurst 2022-12-14 10:56:05 -08:00 • committed by Carles Cufí
commit 7910c617be
15 changed files with 2786 additions and 2385 deletions
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45
subsys/usb/usb_c/usbc_pe.h
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@ -11,8 +11,6 @@
#include <zephyr/usb_c/usbc.h>
#include <zephyr/drivers/usb_c/usbc_pd.h>
#include <zephyr/drivers/usb_c/usbc_tc.h>
#include <zephyr/smf.h>
#include "usbc_timer.h"
/**
* @brief Policy Engine Errors
@ -22,49 +20,6 @@ enum pe_error {
ERR_XMIT,
};
/**
* @brief Policy Engine State Machine Object
*/
struct policy_engine {
/** state machine context */
struct smf_ctx ctx;
/** Port device */
const struct device *dev;
/** state machine flags */
atomic_t flags;
/** current port power role (SOURCE or SINK) */
enum tc_power_role power_role;
/** current port data role (DFP or UFP) */
enum tc_data_role data_role;
/** port address where soft resets are sent */
enum pd_packet_type soft_reset_sop;
/** DPM request */
enum usbc_policy_request_t dpm_request;
/* Counters */
/**
* This counter is used to retry the Hard Reset whenever there is no
* response from the remote device.
*/
uint32_t hard_reset_counter;
/* Timers */
/** tTypeCSinkWaitCap timer */
struct usbc_timer_t pd_t_typec_sink_wait_cap;
/** tSenderResponse timer */
struct usbc_timer_t pd_t_sender_response;
/** tPSTransition timer */
struct usbc_timer_t pd_t_ps_transition;
/** tSinkRequest timer */
struct usbc_timer_t pd_t_sink_request;
/** tChunkingNotSupported timer */
struct usbc_timer_t pd_t_chunking_not_supported;
/** Time to wait before resending message after WAIT reception */
struct usbc_timer_t pd_t_wait_to_resend;
};
/**
* @brief This function must only be called in the subsystem init function.
*