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feat(rmt): support sleep retention by regdma on esp32c5

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This commit is contained in:
morris
2024-09-20 15:58:25 +08:00
parent 7752c1b051
commit 491901d7e4
15 changed files with 99 additions and 49 deletions
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41
components/esp_driver_rmt/src/rmt_common.c
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@@ -74,6 +74,24 @@ rmt_group_t *rmt_acquire_group_handle(int group_id)
rmt_ll_enable_bus_clock(group_id, true);
rmt_ll_reset_register(group_id);
}
#if RMT_USE_RETENTION_LINK
sleep_retention_module_t module = RMT_LL_SLEEP_RETENTION_MODULE_ID(group_id);
sleep_retention_module_init_param_t init_param = {
.cbs = {
.create = {
.handle = rmt_create_sleep_retention_link_cb,
.arg = group,
},
},
.depends = BIT(SLEEP_RETENTION_MODULE_CLOCK_SYSTEM)
};
if (sleep_retention_module_init(module, &init_param) == ESP_OK) {
group->sleep_retention_module = module;
} else {
// even though the sleep retention module init failed, RMT driver should still work, so just warning here
ESP_LOGW(TAG, "init sleep retention failed %d, power domain may be turned off during sleep", group_id);
}
#endif // RMT_USE_RETENTION_LINK
// hal layer initialize
rmt_hal_init(&group->hal);
}
@@ -87,24 +105,6 @@ rmt_group_t *rmt_acquire_group_handle(int group_id)
_lock_release(&s_platform.mutex);
if (new_group) {
#if RMT_USE_RETENTION_LINK
sleep_retention_module_t module = RMT_LL_SLEEP_RETENTION_MODULE_ID(group_id);
sleep_retention_module_init_param_t init_param = {
.cbs = {
.create = {
.handle = rmt_create_sleep_retention_link_cb,
.arg = group,
},
},
.depends = BIT(SLEEP_RETENTION_MODULE_CLOCK_SYSTEM)
};
if (sleep_retention_module_init(module, &init_param) == ESP_OK) {
group->sleep_retention_module = module;
} else {
// even though the sleep retention module init failed, RMT driver should still work, so just warning here
ESP_LOGW(TAG, "init sleep retention failed %d, power domain may be turned off during sleep", group_id);
}
#endif // RMT_USE_RETENTION_LINK
ESP_LOGD(TAG, "new group(%d) at %p, occupy=%"PRIx32, group_id, group, group->occupy_mask);
}
return group;
@@ -307,8 +307,7 @@ static esp_err_t rmt_create_sleep_retention_link_cb(void *arg)
esp_err_t err = sleep_retention_entries_create(rmt_reg_retention_info[group_id].regdma_entry_array,
rmt_reg_retention_info[group_id].array_size,
REGDMA_LINK_PRI_RMT, module);
ESP_RETURN_ON_ERROR(err, TAG, "create retention link failed");
return ESP_OK;
return err;
}
void rmt_create_retention_module(rmt_group_t *group)
@@ -319,7 +318,7 @@ void rmt_create_retention_module(rmt_group_t *group)
if (group->retention_link_created == false) {
if (sleep_retention_module_allocate(module) != ESP_OK) {
// even though the sleep retention module create failed, RMT driver should still work, so just warning here
ESP_LOGW(TAG, "create retention module failed, power domain can't turn off");
ESP_LOGW(TAG, "create retention link failed, power domain can't be turned off");
} else {
group->retention_link_created = true;
}