| Jamie Iles | 06c3df4 | 2011-06-06 12:43:07 +0100 | [diff] [blame] | 1 | /* | 
|  | 2 | * (C) Copyright 2009 Intel Corporation | 
|  | 3 | * Author: Jacob Pan (jacob.jun.pan@intel.com) | 
|  | 4 | * | 
|  | 5 | * Shared with ARM platforms, Jamie Iles, Picochip 2011 | 
|  | 6 | * | 
|  | 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. | 
|  | 10 | * | 
|  | 11 | * Support for the Synopsys DesignWare APB Timers. | 
|  | 12 | */ | 
|  | 13 | #ifndef __DW_APB_TIMER_H__ | 
|  | 14 | #define __DW_APB_TIMER_H__ | 
|  | 15 |  | 
|  | 16 | #include <linux/clockchips.h> | 
|  | 17 | #include <linux/clocksource.h> | 
|  | 18 | #include <linux/interrupt.h> | 
|  | 19 |  | 
|  | 20 | #define APBTMRS_REG_SIZE       0x14 | 
|  | 21 |  | 
|  | 22 | struct dw_apb_timer { | 
|  | 23 | void __iomem				*base; | 
|  | 24 | unsigned long				freq; | 
|  | 25 | int					irq; | 
|  | 26 | }; | 
|  | 27 |  | 
|  | 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 *); | 
|  | 33 | }; | 
|  | 34 |  | 
|  | 35 | struct dw_apb_clocksource { | 
|  | 36 | struct dw_apb_timer			timer; | 
|  | 37 | struct clocksource			cs; | 
|  | 38 | }; | 
|  | 39 |  | 
|  | 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); | 
|  | 44 |  | 
|  | 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 * | 
| Jamie Iles | a133022 | 2011-07-25 16:34:37 +0100 | [diff] [blame] | 49 | dw_apb_clocksource_init(unsigned rating, const char *name, void __iomem *base, | 
| Jamie Iles | 06c3df4 | 2011-06-06 12:43:07 +0100 | [diff] [blame] | 50 | unsigned long freq); | 
|  | 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); | 
|  | 54 | void dw_apb_clocksource_unregister(struct dw_apb_clocksource *dw_cs); | 
|  | 55 |  | 
|  | 56 | #endif /* __DW_APB_TIMER_H__ */ |