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954f0cec38
Implement the QCT QTimer generic timer device used by Hexagon DSP systems. Co-authored-by: Damien Hedde <damien.hedde@greensocs.com> Co-authored-by: Tobias Röhmel <quic_trohmel@quicinc.com> Co-authored-by: Sid Manning <sidneym@quicinc.com> Co-authored-by: Thomas Marceron <tmarcero@qti.qualcomm.com> Co-authored-by: Mahmoud Kamel <mkamel@qti.qualcomm.com> Reviewed-by: Pierrick Bouvier <pierrick.bouvier@oss.qualcomm.com> Link: https://lore.kernel.org/qemu-devel/20260806042723.3785369-16-brian.cain@oss.qualcomm.com Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/*
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* Qualcomm QCT QTimer
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*
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* Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef HW_TIMER_QCT_QTIMER_H
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#define HW_TIMER_QCT_QTIMER_H
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#include "qom/object.h"
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#define TYPE_QCT_QTIMER "qct-qtimer"
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/* QTimer interface for external access from hexagon_globalreg */
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#define TYPE_QCT_QTIMER_INTERFACE "qct-qtimer-if"
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typedef struct QctQtimerInterface QctQtimerInterface;
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typedef struct QctQtimerInterfaceClass {
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InterfaceClass parent_class;
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/* Read the live physical counter, backing HEX_SREG_TIMERLO/TIMERHI */
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uint32_t (*get_timer_lo)(const QctQtimerInterface *qtimer);
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uint32_t (*get_timer_hi)(const QctQtimerInterface *qtimer);
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} QctQtimerInterfaceClass;
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DECLARE_OBJ_CHECKERS(QctQtimerInterface, QctQtimerInterfaceClass,
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QCT_QTIMER_INTERFACE, TYPE_QCT_QTIMER_INTERFACE);
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static inline uint32_t qct_qtimer_get_timer_lo(const QctQtimerInterface *qtimer)
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{
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QctQtimerInterfaceClass *k = QCT_QTIMER_INTERFACE_GET_CLASS(qtimer);
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return k->get_timer_lo(qtimer);
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}
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static inline uint32_t qct_qtimer_get_timer_hi(const QctQtimerInterface *qtimer)
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{
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QctQtimerInterfaceClass *k = QCT_QTIMER_INTERFACE_GET_CLASS(qtimer);
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return k->get_timer_hi(qtimer);
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}
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#endif /* HW_TIMER_QCT_QTIMER_H */
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