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hw/mcu/dialog: Add callbacks on enter/exit sleep #2297

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hw/mcu/dialog: Add callbacks on enter/exit sleep #2297

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41 changes: 41 additions & 0 deletions hw/mcu/dialog/da1469x/include/mcu/da1469x_sleep.h
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Original file line number Diff line number Diff line change
@@ -0,0 +1,41 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/

#ifndef __MCU_DA1469X_SLEEP_H_
#define __MCU_DA1469X_SLEEP_H_

#include <stdbool.h>
#include "os/os_time.h"

#ifdef __cplusplus
extern "C" {
#endif

struct da1469x_sleep_cb {
void (* enter_sleep)(os_time_t ticks);
void (* exit_sleep)(bool slept);
};

void da1469x_sleep_cb_register(struct da1469x_sleep_cb *cb);

#ifdef __cplusplus
}
#endif

#endif /* __MCU_DA1469X_SLEEP_H_ */
29 changes: 26 additions & 3 deletions hw/mcu/dialog/da1469x/src/da1469x_sleep.c
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@
#include "mcu/da1469x_pd.h"
#include "mcu/da1469x_pdc.h"
#include "mcu/da1469x_prail.h"
#include "mcu/da1469x_sleep.h"
#include "mcu/mcu.h"
#include "hal/hal_system.h"
#include "da1469x_priv.h"
Expand All @@ -35,6 +36,8 @@ uint8_t g_mcu_pdc_combo_idx;
static bool g_mcu_wait_for_jtag;
static os_time_t g_mcu_wait_for_jtag_until;

static struct da1469x_sleep_cb g_da1469x_sleep_cb;

static inline bool
da1469x_sleep_any_irq_pending(void)
{
Expand All @@ -56,7 +59,7 @@ da1469x_sleep_is_blocked(void)
void
da1469x_sleep(os_time_t ticks)
{
int ret;
int slept;

da1469x_pdc_ack_all_m33();

Expand All @@ -69,10 +72,19 @@ da1469x_sleep(os_time_t ticks)
/* PD_SYS will not be disabled here until we enter deep sleep, so don't wait */
da1469x_pd_release_nowait(MCU_PD_DOMAIN_SYS);

if (g_da1469x_sleep_cb.enter_sleep) {
g_da1469x_sleep_cb.enter_sleep(ticks);
}

mcu_gpio_enter_sleep();
ret = da1469x_m33_sleep();
slept = da1469x_m33_sleep();
mcu_gpio_exit_sleep();
if (!ret) {

if (g_da1469x_sleep_cb.exit_sleep) {
g_da1469x_sleep_cb.exit_sleep(slept);
}

if (!slept) {
/* We were not sleeping, no need to apply PD_SYS settings again */
da1469x_pd_acquire_noconf(MCU_PD_DOMAIN_SYS);
return;
Expand Down Expand Up @@ -101,6 +113,12 @@ da1469x_sleep(os_time_t ticks)
da1469x_clock_sys_xtal32m_switch_safe();
}

void
da1469x_sleep_cb_register(struct da1469x_sleep_cb *cb)
{
g_da1469x_sleep_cb = *cb;
}

#else

void
Expand All @@ -110,4 +128,9 @@ da1469x_sleep(os_time_t ticks)
__WFI();
}

void
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da1469x_sleep_cb_register(struct da1469x_sleep_cb *cb)
{
}

#endif