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linux-headers-5.4.0-216
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include
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linux
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dw_apb_timer.h
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/* SPDX-License-Identifier: GPL-2.0-only */ /* * (C) Copyright 2009 Intel Corporation * Author: Jacob Pan (jacob.jun.pan@intel.com) * * Shared with ARM platforms, Jamie Iles, Picochip 2011 * * Support for the Synopsys DesignWare APB Timers. */ #ifndef __DW_APB_TIMER_H__ #define __DW_APB_TIMER_H__ #include <linux/clockchips.h> #include <linux/clocksource.h> #include <linux/interrupt.h> #define APBTMRS_REG_SIZE 0x14 struct dw_apb_timer { void __iomem *base; unsigned long freq; int irq; }; struct dw_apb_clock_event_device { struct clock_event_device ced; struct dw_apb_timer timer; struct irqaction irqaction; void (*eoi)(struct dw_apb_timer *); }; struct dw_apb_clocksource { struct dw_apb_timer timer; struct clocksource cs; }; void dw_apb_clockevent_register(struct dw_apb_clock_event_device *dw_ced); void dw_apb_clockevent_pause(struct dw_apb_clock_event_device *dw_ced); void dw_apb_clockevent_resume(struct dw_apb_clock_event_device *dw_ced); void dw_apb_clockevent_stop(struct dw_apb_clock_event_device *dw_ced); struct dw_apb_clock_event_device * dw_apb_clockevent_init(int cpu, const char *name, unsigned rating, void __iomem *base, int irq, unsigned long freq); struct dw_apb_clocksource * dw_apb_clocksource_init(unsigned rating, const char *name, void __iomem *base, unsigned long freq); void dw_apb_clocksource_register(struct dw_apb_clocksource *dw_cs); void dw_apb_clocksource_start(struct dw_apb_clocksource *dw_cs); u64 dw_apb_clocksource_read(struct dw_apb_clocksource *dw_cs); #endif /* __DW_APB_TIMER_H__ */