diff options
Diffstat (limited to 'include/linux/dw_apb_timer.h')
| -rw-r--r-- | include/linux/dw_apb_timer.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/include/linux/dw_apb_timer.h b/include/linux/dw_apb_timer.h new file mode 100644 index 00000000..07261d52 --- /dev/null +++ b/include/linux/dw_apb_timer.h @@ -0,0 +1,56 @@ +/* + * (C) Copyright 2009 Intel Corporation + * Author: Jacob Pan (jacob.jun.pan@intel.com) + * + * Shared with ARM platforms, Jamie Iles, Picochip 2011 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * 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); +cycle_t dw_apb_clocksource_read(struct dw_apb_clocksource *dw_cs); +void dw_apb_clocksource_unregister(struct dw_apb_clocksource *dw_cs); + +#endif /* __DW_APB_TIMER_H__ */ |