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change(esp_driver_gptimer): do gptimer timer target retention by needs

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This commit is contained in:
wuzhenghui
2024-05-23 10:42:30 +08:00
parent a68668c392
commit 8518bf2ea7
9 changed files with 288 additions and 4 deletions
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75
components/esp_driver_gptimer/src/gptimer.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -30,6 +30,10 @@
#include "esp_clk_tree.h"
#include "gptimer_priv.h"
#if GPTIMER_USE_RETENTION_LINK
#include "esp_private/sleep_retention.h"
#endif
static const char *TAG = "gptimer";
#if SOC_PERIPH_CLK_CTRL_SHARED
@@ -52,6 +56,37 @@ static void gptimer_release_group_handle(gptimer_group_t *group);
static esp_err_t gptimer_select_periph_clock(gptimer_t *timer, gptimer_clock_source_t src_clk, uint32_t resolution_hz);
static void gptimer_default_isr(void *args);
#if GPTIMER_USE_RETENTION_LINK
static esp_err_t sleep_tg_timer_retention_link_cb(void *arg)
{
uint32_t group_id = *(uint32_t *)arg;
esp_err_t err = sleep_retention_entries_create(tg_timer_regs_retention[group_id].link_list,
tg_timer_regs_retention[group_id].link_num,
REGDMA_LINK_PRI_6,
(group_id == 0) ? SLEEP_RETENTION_MODULE_TG0_TIMER : SLEEP_RETENTION_MODULE_TG1_TIMER);
if (err == ESP_OK) {
ESP_LOGD(TAG, "Timer group %ld retention initialization", group_id);
}
ESP_RETURN_ON_ERROR(err, TAG, "Failed to create sleep retention linked list for timer group %ld", group_id);
return err;
}
static void gptimer_create_retention_module(gptimer_group_t *group)
{
_lock_acquire(&s_platform.mutex);
int group_id = group->group_id;
if ((group->sleep_retention_initialized == true) && (group->retention_link_created == false)) {
esp_err_t err = sleep_retention_module_allocate((group_id == 0) ? SLEEP_RETENTION_MODULE_TG0_TIMER : SLEEP_RETENTION_MODULE_TG1_TIMER);
if (err != ESP_OK) {
ESP_LOGW(TAG, "Failed to allocate sleep retention linked list for timer group %d retention, power domain can't turn off", group_id);
} else {
group->retention_link_created = true;
}
}
_lock_release(&s_platform.mutex);
}
#endif
static esp_err_t gptimer_register_to_group(gptimer_t *timer)
{
gptimer_group_t *group = NULL;
@@ -129,6 +164,12 @@ esp_err_t gptimer_new_timer(const gptimer_config_t *config, gptimer_handle_t *re
int group_id = group->group_id;
int timer_id = timer->timer_id;
#if GPTIMER_USE_RETENTION_LINK
if (config->flags.backup_before_sleep != 0) {
gptimer_create_retention_module(group);
}
#endif // GPTIMER_USE_RETENTION_LINK
// initialize HAL layer
timer_hal_init(&timer->hal, group_id, timer_id);
// select clock source, set clock resolution
@@ -404,7 +445,6 @@ static gptimer_group_t *gptimer_acquire_group_handle(int group_id)
// someone acquired the group handle means we have a new object that refer to this group
s_platform.group_ref_counts[group_id]++;
}
_lock_release(&s_platform.mutex);
if (new_group) {
// !!! HARDWARE SHARED RESOURCE !!!
@@ -417,7 +457,28 @@ static gptimer_group_t *gptimer_acquire_group_handle(int group_id)
}
}
ESP_LOGD(TAG, "new group (%d) @%p", group_id, group);
#if GPTIMER_USE_RETENTION_LINK
if (group->sleep_retention_initialized != true) {
sleep_retention_module_init_param_t init_param = {
.cbs = {
.create = {
.handle = sleep_tg_timer_retention_link_cb,
.arg = &group_id
},
},
.depends = BIT(SLEEP_RETENTION_MODULE_CLOCK_SYSTEM)
};
esp_err_t err = sleep_retention_module_init((group_id == 0) ? SLEEP_RETENTION_MODULE_TG0_TIMER : SLEEP_RETENTION_MODULE_TG1_TIMER, &init_param);
if (err == ESP_OK) {
group->sleep_retention_initialized = true;
} else {
ESP_LOGW(TAG, "Failed to allocate sleep retention linked list for timer group %d retention", group_id);
}
}
#endif // GPTIMER_USE_RETENTION_LINK
}
_lock_release(&s_platform.mutex);
return group;
}
@@ -434,7 +495,6 @@ static void gptimer_release_group_handle(gptimer_group_t *group)
do_deinitialize = true;
s_platform.groups[group_id] = NULL;
}
_lock_release(&s_platform.mutex);
if (do_deinitialize) {
// disable bus clock for the timer group
@@ -443,9 +503,18 @@ static void gptimer_release_group_handle(gptimer_group_t *group)
timer_ll_enable_bus_clock(group_id, false);
}
}
#if GPTIMER_USE_RETENTION_LINK
if (group->retention_link_created) {
sleep_retention_module_free((group_id == 0) ? SLEEP_RETENTION_MODULE_TG0_TIMER : SLEEP_RETENTION_MODULE_TG1_TIMER);
}
if (group->sleep_retention_initialized) {
sleep_retention_module_deinit((group_id == 0) ? SLEEP_RETENTION_MODULE_TG0_TIMER : SLEEP_RETENTION_MODULE_TG1_TIMER);
}
#endif
free(group);
ESP_LOGD(TAG, "del group (%d)", group_id);
}
_lock_release(&s_platform.mutex);
}
static esp_err_t gptimer_select_periph_clock(gptimer_t *timer, gptimer_clock_source_t src_clk, uint32_t resolution_hz)