Merge "refactor(delay-timer): add timer callback functions" into integration

changelog.yaml

@@ -900,6 +900,9 @@ subsections:
       - title: Console
         scope: console
 
+      - title: Delay Timer
+        scope: delay-timer
+
       - title: Generic Clock
         scope: clk
 

drivers/delay_timer/delay_timer.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2024, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -80,3 +80,25 @@ void timer_init(const timer_ops_t *ops_ptr)
 
 	timer_ops = ops_ptr;
 }
+
+/***********************************************************
+ * Initialize the timer in us
+ ***********************************************************/
+uint64_t timeout_init_us(uint32_t usec)
+{
+	assert(timer_ops != NULL);
+	assert(timer_ops->timeout_init_us != NULL);
+
+	return timer_ops->timeout_init_us(usec);
+}
+
+/***********************************************************
+ * check the given timeout elapsed or not.
+ ***********************************************************/
+bool timeout_elapsed(uint64_t cnt)
+{
+	assert(timer_ops != NULL);
+	assert(timer_ops->timeout_elapsed != NULL);
+
+	return timer_ops->timeout_elapsed(cnt);
+}

drivers/delay_timer/generic_delay_timer.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2024, Arm Limited and Contributors. All rights reserved.
  * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
@@ -18,7 +18,26 @@
 
 static timer_ops_t ops;
 
-static uint32_t get_timer_value(void)
+static uint64_t timeout_cnt_us2cnt(uint32_t us)
+{
+	return ((uint64_t)us * (uint64_t)read_cntfrq_el0()) / 1000000ULL;
+}
+
+static uint64_t generic_delay_timeout_init_us(uint32_t us)
+{
+	uint64_t cnt = timeout_cnt_us2cnt(us);
+
+	cnt += read_cntpct_el0();
+
+	return cnt;
+}
+
+static bool generic_delay_timeout_elapsed(uint64_t expire_cnt)
+{
+	return read_cntpct_el0() > expire_cnt;
+}
+
+static uint32_t generic_delay_get_timer_value(void)
 {
 	/*
 	 * Generic delay timer implementation expects the timer to be a down
@@ -31,9 +50,11 @@ static uint32_t get_timer_value(void)
 
 void generic_delay_timer_init_args(uint32_t mult, uint32_t div)
 {
-	ops.get_timer_value	= get_timer_value;
+	ops.get_timer_value	= generic_delay_get_timer_value;
 	ops.clk_mult		= mult;
 	ops.clk_div		= div;
+	ops.timeout_init_us	= generic_delay_timeout_init_us;
+	ops.timeout_elapsed	= generic_delay_timeout_elapsed;
 
 	timer_init(&ops);
 
@@ -59,4 +80,3 @@ void generic_delay_timer_init(void)
 
 	generic_delay_timer_init_args(mult, div);
 }
-

include/drivers/delay_timer.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2024, Arm Limited and Contributors. All rights reserved.
  * Copyright (c) 2019, Linaro Limited
  *
  * SPDX-License-Identifier: BSD-3-Clause
@@ -25,27 +25,12 @@ typedef struct timer_ops {
 	uint32_t (*get_timer_value)(void);
 	uint32_t clk_mult;
 	uint32_t clk_div;
+	uint64_t (*timeout_init_us)(uint32_t usec);
+	bool (*timeout_elapsed)(uint64_t cnt);
 } timer_ops_t;
 
-static inline uint64_t timeout_cnt_us2cnt(uint32_t us)
-{
-	return ((uint64_t)us * (uint64_t)read_cntfrq_el0()) / 1000000ULL;
-}
-
-static inline uint64_t timeout_init_us(uint32_t us)
-{
-	uint64_t cnt = timeout_cnt_us2cnt(us);
-
-	cnt += read_cntpct_el0();
-
-	return cnt;
-}
-
-static inline bool timeout_elapsed(uint64_t expire_cnt)
-{
-	return read_cntpct_el0() > expire_cnt;
-}
-
+uint64_t timeout_init_us(uint32_t usec);
+bool timeout_elapsed(uint64_t cnt);
 void mdelay(uint32_t msec);
 void udelay(uint32_t usec);
 void timer_init(const timer_ops_t *ops_ptr);