1 /*
2  * DMTIMER platform data for TI OMAP platforms
3  *
4  * Copyright (C) 2012 Texas Instruments
5  * Author: Jon Hunter <jon-hunter@ti.com>
6  *
7  * This program is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU General Public License version 2 as published by
9  * the Free Software Foundation.
10  *
11  * This program is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
14  * more details.
15  *
16  * You should have received a copy of the GNU General Public License along with
17  * this program.  If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef __PLATFORM_DATA_DMTIMER_OMAP_H__
21 #define __PLATFORM_DATA_DMTIMER_OMAP_H__
22 
23 struct omap_dm_timer_ops {
24 	struct omap_dm_timer *(*request_by_node)(struct device_node *np);
25 	struct omap_dm_timer *(*request_specific)(int timer_id);
26 	struct omap_dm_timer *(*request)(void);
27 
28 	int	(*free)(struct omap_dm_timer *timer);
29 
30 	void	(*enable)(struct omap_dm_timer *timer);
31 	void	(*disable)(struct omap_dm_timer *timer);
32 
33 	int	(*get_irq)(struct omap_dm_timer *timer);
34 	int	(*set_int_enable)(struct omap_dm_timer *timer,
35 				  unsigned int value);
36 	int	(*set_int_disable)(struct omap_dm_timer *timer, u32 mask);
37 
38 	struct clk *(*get_fclk)(struct omap_dm_timer *timer);
39 
40 	int	(*start)(struct omap_dm_timer *timer);
41 	int	(*stop)(struct omap_dm_timer *timer);
42 	int	(*set_source)(struct omap_dm_timer *timer, int source);
43 
44 	int	(*set_load)(struct omap_dm_timer *timer, int autoreload,
45 			    unsigned int value);
46 	int	(*set_match)(struct omap_dm_timer *timer, int enable,
47 			     unsigned int match);
48 	int	(*set_pwm)(struct omap_dm_timer *timer, int def_on,
49 			   int toggle, int trigger);
50 	int	(*set_prescaler)(struct omap_dm_timer *timer, int prescaler);
51 
52 	unsigned int (*read_counter)(struct omap_dm_timer *timer);
53 	int	(*write_counter)(struct omap_dm_timer *timer,
54 				 unsigned int value);
55 	unsigned int (*read_status)(struct omap_dm_timer *timer);
56 	int	(*write_status)(struct omap_dm_timer *timer,
57 				unsigned int value);
58 };
59 
60 struct dmtimer_platform_data {
61 	/* set_timer_src - Only used for OMAP1 devices */
62 	int (*set_timer_src)(struct platform_device *pdev, int source);
63 	u32 timer_capability;
64 	u32 timer_errata;
65 	int (*get_context_loss_count)(struct device *);
66 	const struct omap_dm_timer_ops *timer_ops;
67 };
68 
69 #endif /* __PLATFORM_DATA_DMTIMER_OMAP_H__ */
70