xref: /linux/arch/powerpc/include/asm/fsl_gtm.h (revision b8b572e1015f81b4e748417be2629dfe51ab99f9)
1*b8b572e1SStephen Rothwell /*
2*b8b572e1SStephen Rothwell  * Freescale General-purpose Timers Module
3*b8b572e1SStephen Rothwell  *
4*b8b572e1SStephen Rothwell  * Copyright (c) Freescale Semicondutor, Inc. 2006.
5*b8b572e1SStephen Rothwell  *               Shlomi Gridish <gridish@freescale.com>
6*b8b572e1SStephen Rothwell  *               Jerry Huang <Chang-Ming.Huang@freescale.com>
7*b8b572e1SStephen Rothwell  * Copyright (c) MontaVista Software, Inc. 2008.
8*b8b572e1SStephen Rothwell  *               Anton Vorontsov <avorontsov@ru.mvista.com>
9*b8b572e1SStephen Rothwell  *
10*b8b572e1SStephen Rothwell  * This program is free software; you can redistribute  it and/or modify it
11*b8b572e1SStephen Rothwell  * under  the terms of  the GNU General  Public License as published by the
12*b8b572e1SStephen Rothwell  * Free Software Foundation;  either version 2 of the  License, or (at your
13*b8b572e1SStephen Rothwell  * option) any later version.
14*b8b572e1SStephen Rothwell  */
15*b8b572e1SStephen Rothwell 
16*b8b572e1SStephen Rothwell #ifndef __ASM_FSL_GTM_H
17*b8b572e1SStephen Rothwell #define __ASM_FSL_GTM_H
18*b8b572e1SStephen Rothwell 
19*b8b572e1SStephen Rothwell #include <linux/types.h>
20*b8b572e1SStephen Rothwell 
21*b8b572e1SStephen Rothwell struct gtm;
22*b8b572e1SStephen Rothwell 
23*b8b572e1SStephen Rothwell struct gtm_timer {
24*b8b572e1SStephen Rothwell 	unsigned int irq;
25*b8b572e1SStephen Rothwell 
26*b8b572e1SStephen Rothwell 	struct gtm *gtm;
27*b8b572e1SStephen Rothwell 	bool requested;
28*b8b572e1SStephen Rothwell 	u8 __iomem *gtcfr;
29*b8b572e1SStephen Rothwell 	__be16 __iomem *gtmdr;
30*b8b572e1SStephen Rothwell 	__be16 __iomem *gtpsr;
31*b8b572e1SStephen Rothwell 	__be16 __iomem *gtcnr;
32*b8b572e1SStephen Rothwell 	__be16 __iomem *gtrfr;
33*b8b572e1SStephen Rothwell 	__be16 __iomem *gtevr;
34*b8b572e1SStephen Rothwell };
35*b8b572e1SStephen Rothwell 
36*b8b572e1SStephen Rothwell extern struct gtm_timer *gtm_get_timer16(void);
37*b8b572e1SStephen Rothwell extern struct gtm_timer *gtm_get_specific_timer16(struct gtm *gtm,
38*b8b572e1SStephen Rothwell 						  unsigned int timer);
39*b8b572e1SStephen Rothwell extern void gtm_put_timer16(struct gtm_timer *tmr);
40*b8b572e1SStephen Rothwell extern int gtm_set_timer16(struct gtm_timer *tmr, unsigned long usec,
41*b8b572e1SStephen Rothwell 			     bool reload);
42*b8b572e1SStephen Rothwell extern int gtm_set_exact_timer16(struct gtm_timer *tmr, u16 usec,
43*b8b572e1SStephen Rothwell 				 bool reload);
44*b8b572e1SStephen Rothwell extern void gtm_stop_timer16(struct gtm_timer *tmr);
45*b8b572e1SStephen Rothwell extern void gtm_ack_timer16(struct gtm_timer *tmr, u16 events);
46*b8b572e1SStephen Rothwell 
47*b8b572e1SStephen Rothwell #endif /* __ASM_FSL_GTM_H */
48