xref: /openbmc/linux/arch/powerpc/include/asm/fsl_gtm.h (revision e15a5365)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Freescale General-purpose Timers Module
4  *
5  * Copyright 2006 Freescale Semiconductor, Inc.
6  *               Shlomi Gridish <gridish@freescale.com>
7  *               Jerry Huang <Chang-Ming.Huang@freescale.com>
8  * Copyright (c) MontaVista Software, Inc. 2008.
9  *               Anton Vorontsov <avorontsov@ru.mvista.com>
10  */
11 
12 #ifndef __ASM_FSL_GTM_H
13 #define __ASM_FSL_GTM_H
14 
15 #include <linux/types.h>
16 
17 struct gtm;
18 
19 struct gtm_timer {
20 	unsigned int irq;
21 
22 	struct gtm *gtm;
23 	bool requested;
24 	u8 __iomem *gtcfr;
25 	__be16 __iomem *gtmdr;
26 	__be16 __iomem *gtpsr;
27 	__be16 __iomem *gtcnr;
28 	__be16 __iomem *gtrfr;
29 	__be16 __iomem *gtevr;
30 };
31 
32 extern struct gtm_timer *gtm_get_timer16(void);
33 extern struct gtm_timer *gtm_get_specific_timer16(struct gtm *gtm,
34 						  unsigned int timer);
35 extern void gtm_put_timer16(struct gtm_timer *tmr);
36 extern int gtm_set_timer16(struct gtm_timer *tmr, unsigned long usec,
37 			     bool reload);
38 extern int gtm_set_exact_timer16(struct gtm_timer *tmr, u16 usec,
39 				 bool reload);
40 extern void gtm_stop_timer16(struct gtm_timer *tmr);
41 extern void gtm_ack_timer16(struct gtm_timer *tmr, u16 events);
42 
43 #endif /* __ASM_FSL_GTM_H */
44