Blame view

include/linux/dw_apb_timer.h 1.77 KB
06c3df495   Jamie Iles   clocksource: apb:...
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
  /*
   * (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 *
a1330228f   Jamie Iles   dw_apb_timer: con...
49
  dw_apb_clocksource_init(unsigned rating, const char *name, void __iomem *base,
06c3df495   Jamie Iles   clocksource: apb:...
50
51
52
53
54
55
56
  			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__ */