2 * (C) Copyright 2009 Intel Corporation
3 * Author: Jacob Pan (jacob.jun.pan@intel.com)
5 * Shared with ARM platforms, Jamie Iles, Picochip 2011
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
11 * Support for the Synopsys DesignWare APB Timers.
13 #ifndef __DW_APB_TIMER_H__
14 #define __DW_APB_TIMER_H__
16 #include <linux/clockchips.h>
17 #include <linux/clocksource.h>
18 #include <linux/interrupt.h>
20 #define APBTMRS_REG_SIZE 0x14
28 struct dw_apb_clock_event_device
{
29 struct clock_event_device ced
;
30 struct dw_apb_timer timer
;
31 struct irqaction irqaction
;
32 void (*eoi
)(struct dw_apb_timer
*);
35 struct dw_apb_clocksource
{
36 struct dw_apb_timer timer
;
37 struct clocksource cs
;
40 void dw_apb_clockevent_register(struct dw_apb_clock_event_device
*dw_ced
);
41 void dw_apb_clockevent_pause(struct dw_apb_clock_event_device
*dw_ced
);
42 void dw_apb_clockevent_resume(struct dw_apb_clock_event_device
*dw_ced
);
43 void dw_apb_clockevent_stop(struct dw_apb_clock_event_device
*dw_ced
);
45 struct dw_apb_clock_event_device
*
46 dw_apb_clockevent_init(int cpu
, const char *name
, unsigned rating
,
47 void __iomem
*base
, int irq
, unsigned long freq
);
48 struct dw_apb_clocksource
*
49 dw_apb_clocksource_init(unsigned rating
, const char *name
, void __iomem
*base
,
51 void dw_apb_clocksource_register(struct dw_apb_clocksource
*dw_cs
);
52 void dw_apb_clocksource_start(struct dw_apb_clocksource
*dw_cs
);
53 cycle_t
dw_apb_clocksource_read(struct dw_apb_clocksource
*dw_cs
);
55 #endif /* __DW_APB_TIMER_H__ */