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/*
* fusb302 usb phy driver for type-c and PD
*
* Copyright (C) 2015, 2016 Fairchild Semiconductor Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Seee the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef ALTERNATEMODES_H
#define ALTERNATEMODES_H
#ifdef __cplusplus
extern "C" {
#endif
#include "TypeC.h"
#include "platform.h"
#ifdef FSC_DEBUG
#include "Log.h"
#endif // FSC_DEBUG
//#define COMPLIANCE_MODES // Currently unused
#define tAlternateDRPSwap 40 * 10 // DRP Swap every 40ms
extern DeviceReg_t Registers; // Variable holding the current status of the device registers
extern FSC_BOOL USBPDActive; // Variable to indicate whether the USB PD state machine is active or not
extern FSC_BOOL USBPDEnabled; // Variable to indicate whether USB PD is enabled (by the host)
extern FSC_U32 PRSwapTimer; // Timer used to bail out of a PR_Swap from the Type-C side if necessary
extern FSC_BOOL IsHardReset; // Variable indicating that a Hard Reset is occurring
extern SourceOrSink sourceOrSink; // Are we currently a source or a sink?
extern USBTypeCPort PortType; // Variable indicating which type of port we are implementing
extern FSC_BOOL blnCCPinIsCC1; // Flag to indicate if the CC1 pin has been detected as the CC pin
extern FSC_BOOL blnCCPinIsCC2; // Flag to indicate if the CC2 pin has been detected as the CC pin
extern FSC_BOOL blnSMEnabled; // Flag to indicate whether the TypeC state machine is enabled
extern ConnectionState ConnState; // Variable indicating the current connection state
#ifdef FSC_DEBUG
extern StateLog TypeCStateLog; // Log for tracking state transitions and times
extern volatile FSC_U16 Timer_S; // Tracks seconds elapsed for log timestamp
extern volatile FSC_U16 Timer_tms; // Tracks tenths of milliseconds elapsed for log timestamp
#endif // FSC_DEBUG
#ifdef FSC_HAVE_ACCMODE
extern FSC_BOOL blnAccSupport; // Flag to indicate whether the port supports accessories
#endif // FSC_HAVE_ACCMODE
extern FSC_U16 StateTimer; // Timer used to validate proceeding to next state
extern FSC_U16 PDDebounce; // Timer used for first level debouncing
extern FSC_U16 CCDebounce; // Timer used for second level debouncing
extern FSC_U16 ToggleTimer; // Timer used for CC swapping in the device
extern FSC_U16 DRPToggleTimer; // Timer used for swapping from UnattachedSrc and UnattachedSnk
extern FSC_U16 OverPDDebounce; // Timer used to ignore traffic less than tPDDebounce
extern CCTermType CC1TermPrevious; // Active CC1 termination value
extern CCTermType CC2TermPrevious; // Active CC2 termination value
extern CCTermType CC1TermCCDebounce; // Debounced CC1 termination value
extern CCTermType CC2TermCCDebounce; // Debounced CC2 termination value
extern CCTermType CC1TermPDDebounce;
extern CCTermType CC2TermPDDebounce;
extern CCTermType CC1TermPDDebouncePrevious;
extern CCTermType CC2TermPDDebouncePrevious;
extern USBTypeCCurrent SinkCurrent; // Variable to indicate the current capability we have receivedSetStateAlnternateUnattachedSetStateAlnternateUnattached(void);
void SetStateAlternateUnattached(void);
void StateMachineAlternateUnattached(void);
#ifdef FSC_HAVE_DRP
void SetStateAlternateDRP(void);
void StateMachineAlternateDRP(void);
void AlternateDRPSwap(void);
void AlternateDRPSourceSinkSwap(void);
#endif // FSC_HAVE_DRP
#ifdef FSC_HAVE_SRC
void SetStateAlternateUnattachedSource(void);
void StateMachineAlternateUnattachedSource(void);
#endif // FSC_HAVE_SRC
#ifdef FSC_HAVE_SNK
void SetStateAlternateUnattachedSink(void);
void StateMachineAlternateUnattachedSink(void);
#endif // FSC_HAVE_SNK
#ifdef FSC_HAVE_ACCMODE
void SetStateAlternateAudioAccessory(void);
#endif // FSC_HAVE_ACCMODE
CCTermType AlternateDecodeCCTerminationSource(void);
#ifdef __cplusplus
}
#endif
#endif /* COMPLIANCEMODES_H */
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