aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/clockchips.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/clockchips.h')
-rw-r--r--include/linux/clockchips.h12
1 files changed, 8 insertions, 4 deletions
diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h
index d6733e27af34..81e803e90aa4 100644
--- a/include/linux/clockchips.h
+++ b/include/linux/clockchips.h
@@ -45,20 +45,22 @@ enum clock_event_nofitiers {
45 */ 45 */
46#define CLOCK_EVT_FEAT_PERIODIC 0x000001 46#define CLOCK_EVT_FEAT_PERIODIC 0x000001
47#define CLOCK_EVT_FEAT_ONESHOT 0x000002 47#define CLOCK_EVT_FEAT_ONESHOT 0x000002
48#define CLOCK_EVT_FEAT_KTIME 0x000004
48/* 49/*
49 * x86(64) specific misfeatures: 50 * x86(64) specific misfeatures:
50 * 51 *
51 * - Clockevent source stops in C3 State and needs broadcast support. 52 * - Clockevent source stops in C3 State and needs broadcast support.
52 * - Local APIC timer is used as a dummy device. 53 * - Local APIC timer is used as a dummy device.
53 */ 54 */
54#define CLOCK_EVT_FEAT_C3STOP 0x000004 55#define CLOCK_EVT_FEAT_C3STOP 0x000008
55#define CLOCK_EVT_FEAT_DUMMY 0x000008 56#define CLOCK_EVT_FEAT_DUMMY 0x000010
56 57
57/** 58/**
58 * struct clock_event_device - clock event device descriptor 59 * struct clock_event_device - clock event device descriptor
59 * @event_handler: Assigned by the framework to be called by the low 60 * @event_handler: Assigned by the framework to be called by the low
60 * level handler of the event source 61 * level handler of the event source
61 * @set_next_event: set next event function 62 * @set_next_event: set next event function using a clocksource delta
63 * @set_next_ktime: set next event function using a direct ktime value
62 * @next_event: local storage for the next event in oneshot mode 64 * @next_event: local storage for the next event in oneshot mode
63 * @max_delta_ns: maximum delta value in ns 65 * @max_delta_ns: maximum delta value in ns
64 * @min_delta_ns: minimum delta value in ns 66 * @min_delta_ns: minimum delta value in ns
@@ -81,6 +83,8 @@ struct clock_event_device {
81 void (*event_handler)(struct clock_event_device *); 83 void (*event_handler)(struct clock_event_device *);
82 int (*set_next_event)(unsigned long evt, 84 int (*set_next_event)(unsigned long evt,
83 struct clock_event_device *); 85 struct clock_event_device *);
86 int (*set_next_ktime)(ktime_t expires,
87 struct clock_event_device *);
84 ktime_t next_event; 88 ktime_t next_event;
85 u64 max_delta_ns; 89 u64 max_delta_ns;
86 u64 min_delta_ns; 90 u64 min_delta_ns;
@@ -140,7 +144,7 @@ extern void clockevents_set_mode(struct clock_event_device *dev,
140 enum clock_event_mode mode); 144 enum clock_event_mode mode);
141extern int clockevents_register_notifier(struct notifier_block *nb); 145extern int clockevents_register_notifier(struct notifier_block *nb);
142extern int clockevents_program_event(struct clock_event_device *dev, 146extern int clockevents_program_event(struct clock_event_device *dev,
143 ktime_t expires, ktime_t now); 147 ktime_t expires, bool force);
144 148
145extern void clockevents_handle_noop(struct clock_event_device *dev); 149extern void clockevents_handle_noop(struct clock_event_device *dev);
146 150