colibri_imx6: fix video stdout in default environment

[oweals/u-boot.git] / include / time.h

diff --git a/include/time.h b/include/time.h
index 9fd0d73fb4e4342dc7650c1b4dcb114772b257ea..e99f9c8012701e7f0b62a37c0c71c12d2f4b8f87 100644 (file)
--- a/include/time.h
+++ b/include/time.h
@@ -4,6 +4,9 @@
 #define _TIME_H
 
 #include <linux/typecheck.h>
+#include <linux/types.h>
+
+ulong get_tbclk(void);
 
 unsigned long get_timer(unsigned long base);
 
@@ -12,6 +15,7 @@ unsigned long get_timer(unsigned long base);
  * Granularity may be larger than 1us if hardware does not support this.
  */
 unsigned long timer_get_us(void);
+uint64_t get_timer_us(uint64_t base);
 
 /*
  * timer_test_add_offset()
@@ -21,6 +25,14 @@ unsigned long timer_get_us(void);
  */
 void timer_test_add_offset(unsigned long offset);
 
+/**
+ * usec_to_tick() - convert microseconds to clock ticks
+ *
+ * @usec:      duration in microseconds
+ * Return:     duration in clock ticks
+ */
+uint64_t usec_to_tick(unsigned long usec);
+
 /*
  *     These inlines deal with timer wrapping correctly. You are
  *     strongly encouraged to use them
@@ -60,4 +72,47 @@ void timer_test_add_offset(unsigned long offset);
        (time_after_eq(a,b) && \
         time_before(a,c))
 
+/**
+ * usec2ticks() - Convert microseconds to internal ticks
+ *
+ * @usec: Value of microseconds to convert
+ * @return Corresponding internal ticks value, calculated using get_tbclk()
+ */
+ulong usec2ticks(unsigned long usec);
+
+/**
+ * ticks2usec() - Convert internal ticks to microseconds
+ *
+ * @ticks: Value of ticks to convert
+ * @return Corresponding microseconds value, calculated using get_tbclk()
+ */
+ulong ticks2usec(unsigned long ticks);
+
+/**
+ * wait_ticks() - waits a given number of ticks
+ *
+ * This is an internal function typically used to implement udelay() and
+ * similar. Normally you should use udelay() or mdelay() instead.
+ *
+ * @ticks: Number of ticks to wait
+ */
+void wait_ticks(unsigned long ticks);
+
+/**
+ * timer_get_us() - Get monotonic microsecond timer
+ *
+ * @return value of monotonic microsecond timer
+ */
+unsigned long timer_get_us(void);
+
+/**
+ * get_ticks() - Get the current tick value
+ *
+ * This is an internal value used by the timer on the system. Ticks increase
+ * monotonically at the rate given by get_tbclk().
+ *
+ * @return current tick value
+ */
+uint64_t get_ticks(void);
+
 #endif /* _TIME_H */