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-rw-r--r--include/asm-arm/arch-omap/dmtimer.h79
1 files changed, 33 insertions, 46 deletions
diff --git a/include/asm-arm/arch-omap/dmtimer.h b/include/asm-arm/arch-omap/dmtimer.h
index e6522e6a3834..5b58e3d62742 100644
--- a/include/asm-arm/arch-omap/dmtimer.h
+++ b/include/asm-arm/arch-omap/dmtimer.h
@@ -5,6 +5,7 @@
5 * 5 *
6 * Copyright (C) 2005 Nokia Corporation 6 * Copyright (C) 2005 Nokia Corporation
7 * Author: Lauri Leukkunen <lauri.leukkunen@nokia.com> 7 * Author: Lauri Leukkunen <lauri.leukkunen@nokia.com>
8 * PWM and clock framwork support by Timo Teras.
8 * 9 *
9 * This program is free software; you can redistribute it and/or modify it 10 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the 11 * under the terms of the GNU General Public License as published by the
@@ -25,69 +26,55 @@
25 * 675 Mass Ave, Cambridge, MA 02139, USA. 26 * 675 Mass Ave, Cambridge, MA 02139, USA.
26 */ 27 */
27 28
28#ifndef __ASM_ARCH_TIMER_H 29#ifndef __ASM_ARCH_DMTIMER_H
29#define __ASM_ARCH_TIMER_H 30#define __ASM_ARCH_DMTIMER_H
30
31#include <linux/list.h>
32
33#define OMAP_TIMER_SRC_ARMXOR 0x00
34#define OMAP_TIMER_SRC_32_KHZ 0x01
35#define OMAP_TIMER_SRC_EXT_CLK 0x02
36
37/* timer control reg bits */
38#define OMAP_TIMER_CTRL_CAPTMODE (1 << 13)
39#define OMAP_TIMER_CTRL_PT (1 << 12)
40#define OMAP_TIMER_CTRL_TRG_OVERFLOW (0x1 << 10)
41#define OMAP_TIMER_CTRL_TRG_OFANDMATCH (0x2 << 10)
42#define OMAP_TIMER_CTRL_TCM_LOWTOHIGH (0x1 << 8)
43#define OMAP_TIMER_CTRL_TCM_HIGHTOLOW (0x2 << 8)
44#define OMAP_TIMER_CTRL_TCM_BOTHEDGES (0x3 << 8)
45#define OMAP_TIMER_CTRL_SCPWM (1 << 7)
46#define OMAP_TIMER_CTRL_CE (1 << 6) /* compare enable */
47#define OMAP_TIMER_CTRL_PRE (1 << 5) /* prescaler enable */
48#define OMAP_TIMER_CTRL_PTV_SHIFT 2 /* how much to shift the prescaler value */
49#define OMAP_TIMER_CTRL_AR (1 << 1) /* auto-reload enable */
50#define OMAP_TIMER_CTRL_ST (1 << 0) /* start timer */
51 31
52/* timer interrupt enable bits */ 32/* clock sources */
53#define OMAP_TIMER_INT_CAPTURE (1 << 2) 33#define OMAP_TIMER_SRC_SYS_CLK 0x00
54#define OMAP_TIMER_INT_OVERFLOW (1 << 1) 34#define OMAP_TIMER_SRC_32_KHZ 0x01
55#define OMAP_TIMER_INT_MATCH (1 << 0) 35#define OMAP_TIMER_SRC_EXT_CLK 0x02
56 36
37/* timer interrupt enable bits */
38#define OMAP_TIMER_INT_CAPTURE (1 << 2)
39#define OMAP_TIMER_INT_OVERFLOW (1 << 1)
40#define OMAP_TIMER_INT_MATCH (1 << 0)
57 41
58struct omap_dm_timer { 42/* trigger types */
59 struct list_head timer_list; 43#define OMAP_TIMER_TRIGGER_NONE 0x00
44#define OMAP_TIMER_TRIGGER_OVERFLOW 0x01
45#define OMAP_TIMER_TRIGGER_OVERFLOW_AND_COMPARE 0x02
60 46
61 u32 base; 47struct omap_dm_timer;
62 unsigned int irq; 48struct clk;
63};
64 49
65u32 omap_dm_timer_read_reg(struct omap_dm_timer *timer, int reg); 50int omap_dm_timer_init(void);
66void omap_dm_timer_write_reg(struct omap_dm_timer *timer, int reg, u32 value);
67 51
68struct omap_dm_timer * omap_dm_timer_request(void); 52struct omap_dm_timer *omap_dm_timer_request(void);
53struct omap_dm_timer *omap_dm_timer_request_specific(int timer_id);
69void omap_dm_timer_free(struct omap_dm_timer *timer); 54void omap_dm_timer_free(struct omap_dm_timer *timer);
70void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source);
71 55
72void omap_dm_timer_set_int_enable(struct omap_dm_timer *timer, unsigned int value); 56int omap_dm_timer_get_irq(struct omap_dm_timer *timer);
73void omap_dm_timer_set_trigger(struct omap_dm_timer *timer, unsigned int value); 57
74void omap_dm_timer_enable_compare(struct omap_dm_timer *timer); 58u32 omap_dm_timer_modify_idlect_mask(u32 inputmask);
75void omap_dm_timer_enable_autoreload(struct omap_dm_timer *timer); 59struct clk *omap_dm_timer_get_fclk(struct omap_dm_timer *timer);
76 60
77void omap_dm_timer_trigger(struct omap_dm_timer *timer); 61void omap_dm_timer_trigger(struct omap_dm_timer *timer);
78void omap_dm_timer_start(struct omap_dm_timer *timer); 62void omap_dm_timer_start(struct omap_dm_timer *timer);
79void omap_dm_timer_stop(struct omap_dm_timer *timer); 63void omap_dm_timer_stop(struct omap_dm_timer *timer);
80 64
81void omap_dm_timer_set_load(struct omap_dm_timer *timer, unsigned int load); 65void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source);
82void omap_dm_timer_set_match(struct omap_dm_timer *timer, unsigned int match); 66void omap_dm_timer_set_load(struct omap_dm_timer *timer, int autoreload, unsigned int value);
67void omap_dm_timer_set_match(struct omap_dm_timer *timer, int enable, unsigned int match);
68void omap_dm_timer_set_pwm(struct omap_dm_timer *timer, int def_on, int toggle, int trigger);
69void omap_dm_timer_set_prescaler(struct omap_dm_timer *timer, int prescaler);
70
71void omap_dm_timer_set_int_enable(struct omap_dm_timer *timer, unsigned int value);
83 72
84unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer); 73unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer);
85void omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value); 74void omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value);
86
87unsigned int omap_dm_timer_read_counter(struct omap_dm_timer *timer); 75unsigned int omap_dm_timer_read_counter(struct omap_dm_timer *timer);
88void omap_dm_timer_reset_counter(struct omap_dm_timer *timer);
89 76
90int omap_dm_timers_active(void); 77int omap_dm_timers_active(void);
91u32 omap_dm_timer_modify_idlect_mask(u32 inputmask);
92 78
93#endif /* __ASM_ARCH_TIMER_H */ 79
80#endif /* __ASM_ARCH_DMTIMER_H */