xref: /openbmc/linux/arch/powerpc/include/asm/fsl_gtm.h (revision 4f3db074)
1 /*
2  * Freescale General-purpose Timers Module
3  *
4  * Copyright 2006 Freescale Semiconductor, Inc.
5  *               Shlomi Gridish <gridish@freescale.com>
6  *               Jerry Huang <Chang-Ming.Huang@freescale.com>
7  * Copyright (c) MontaVista Software, Inc. 2008.
8  *               Anton Vorontsov <avorontsov@ru.mvista.com>
9  *
10  * This program is free software; you can redistribute  it and/or modify it
11  * under  the terms of  the GNU General  Public License as published by the
12  * Free Software Foundation;  either version 2 of the  License, or (at your
13  * option) any later version.
14  */
15 
16 #ifndef __ASM_FSL_GTM_H
17 #define __ASM_FSL_GTM_H
18 
19 #include <linux/types.h>
20 
21 struct gtm;
22 
23 struct gtm_timer {
24 	unsigned int irq;
25 
26 	struct gtm *gtm;
27 	bool requested;
28 	u8 __iomem *gtcfr;
29 	__be16 __iomem *gtmdr;
30 	__be16 __iomem *gtpsr;
31 	__be16 __iomem *gtcnr;
32 	__be16 __iomem *gtrfr;
33 	__be16 __iomem *gtevr;
34 };
35 
36 extern struct gtm_timer *gtm_get_timer16(void);
37 extern struct gtm_timer *gtm_get_specific_timer16(struct gtm *gtm,
38 						  unsigned int timer);
39 extern void gtm_put_timer16(struct gtm_timer *tmr);
40 extern int gtm_set_timer16(struct gtm_timer *tmr, unsigned long usec,
41 			     bool reload);
42 extern int gtm_set_exact_timer16(struct gtm_timer *tmr, u16 usec,
43 				 bool reload);
44 extern void gtm_stop_timer16(struct gtm_timer *tmr);
45 extern void gtm_ack_timer16(struct gtm_timer *tmr, u16 events);
46 
47 #endif /* __ASM_FSL_GTM_H */
48