diff options
| author | Konstantin Porotchkin <kostap@marvell.com> | 2017-03-20 15:26:10 +0200 |
|---|---|---|
| committer | Konstantin Porotchkin <kostap@marvell.com> | 2017-04-02 17:32:57 +0300 |
| commit | a5eeac6a2352e926722b801cfead7af1e92a55a1 (patch) | |
| tree | eb1da1aa38571062126fa008c0f52d21ff472b1e | |
| parent | 63017c781538feebc631eadb40754c91074200f2 (diff) | |
delay_timer: Add timer value get functions
Add ability to get timer value in micro- and milliseconds.
Change-Id: I864619c23fe8a2a01cef86795e39d1b0bfd2e3d3
Signed-off-by: Victor Axelrod <victora@marvell.com>
Signed-off-by: Ofir Fedida <ofedida@marvell.com>
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/37913
Reviewed-by: Haim Boot <hayim@marvell.com>
| -rw-r--r-- | drivers/delay_timer/delay_timer.c | 23 | ||||
| -rw-r--r-- | include/drivers/delay_timer.h | 2 |
2 files changed, 25 insertions, 0 deletions
diff --git a/drivers/delay_timer/delay_timer.c b/drivers/delay_timer/delay_timer.c index ed7ed52e..be0ed298 100644 --- a/drivers/delay_timer/delay_timer.c +++ b/drivers/delay_timer/delay_timer.c @@ -38,6 +38,29 @@ static const timer_ops_t *ops; /*********************************************************** + * Get a timer value in microseconds. The driver must + * be initialized before calling this function. + ***********************************************************/ +uint32_t timer_value_get(void) +{ + assert(ops != 0 && + (ops->clk_mult != 0) && + (ops->clk_div != 0) && + (ops->get_timer_value != 0)); + + return (~ops->get_timer_value() * ops->clk_mult) / ops->clk_div; +} + +/*********************************************************** + * Get a timer value in miliseconds. The driver must + * be initialized before calling this function. + ***********************************************************/ +uint32_t timer_value_ms_get(void) +{ + return timer_value_get() / 1000; +} + +/*********************************************************** * Delay for the given number of microseconds. The driver must * be initialized before calling this function. ***********************************************************/ diff --git a/include/drivers/delay_timer.h b/include/drivers/delay_timer.h index 0dec626c..d3bf3e32 100644 --- a/include/drivers/delay_timer.h +++ b/include/drivers/delay_timer.h @@ -47,6 +47,8 @@ typedef struct timer_ops { uint32_t clk_div; } timer_ops_t; +uint32_t timer_value_get(void); +uint32_t timer_value_ms_get(void); void mdelay(uint32_t msec); void udelay(uint32_t usec); void timer_init(const timer_ops_t *ops); |