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https://github.com/espressif/esp-idf.git
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99d10ca3d2
change(pm): change macro SOC_PM_RETENTION_HAS_REGDMA_POWER_BUG (backport v5.2) See merge request espressif/esp-idf!27992
107 lines
3.2 KiB
C
107 lines
3.2 KiB
C
/*
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* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdint.h>
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#include <stdlib.h>
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#include <esp_types.h>
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#include "sdkconfig.h"
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#include "esp_attr.h"
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#include "esp_log.h"
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#include "soc/soc.h"
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#include "soc/pcr_reg.h"
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#include "esp_private/esp_pau.h"
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#include "esp_private/periph_ctrl.h"
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static __attribute__((unused)) const char *TAG = "pau_regdma";
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typedef struct {
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pau_hal_context_t *hal;
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} pau_context_t;
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pau_context_t * __attribute__((weak)) IRAM_ATTR PAU_instance(void)
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{
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static pau_hal_context_t pau_hal = { .dev = NULL };
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static pau_context_t pau_context = { .hal = &pau_hal };
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/* periph_module_enable don not need to be put in iram because it is
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* called before the flash is powered off and will not be called again. */
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if (pau_hal.dev == NULL) {
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pau_hal.dev = &PAU;
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periph_module_enable(PERIPH_REGDMA_MODULE);
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}
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return &pau_context;
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}
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void pau_regdma_set_entry_link_addr(pau_regdma_link_addr_t *link_entries)
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{
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ESP_LOGD(TAG, "All link addresses %p,%p,%p,%p", (*link_entries)[0], (*link_entries)[1], (*link_entries)[2], (*link_entries)[3]);
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pau_hal_set_regdma_entry_link_addr(PAU_instance()->hal, link_entries);
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}
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#if SOC_PM_SUPPORT_PMU_MODEM_STATE
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void pau_regdma_set_modem_link_addr(void *link_addr)
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{
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pau_hal_set_regdma_modem_link_addr(PAU_instance()->hal, link_addr);
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}
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void pau_regdma_trigger_modem_link_backup(void)
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{
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pau_hal_start_regdma_modem_link(PAU_instance()->hal, true);
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pau_hal_stop_regdma_modem_link(PAU_instance()->hal);
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}
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void pau_regdma_trigger_modem_link_restore(void)
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{
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pau_hal_start_regdma_modem_link(PAU_instance()->hal, false);
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pau_hal_stop_regdma_modem_link(PAU_instance()->hal);
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}
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#endif
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#if SOC_PM_RETENTION_SW_TRIGGER_REGDMA
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void IRAM_ATTR pau_regdma_set_system_link_addr(void *link_addr)
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{
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/* ESP32H2 use software to trigger REGDMA to restore instead of PMU,
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* because regdma has power bug, so we need to manually set the clock
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* for regdma before using it after the chip wakes up. We use
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* pau_hal_clock_configure because periph_module_enable will consume
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* a relatively large amount of memory space. */
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pau_hal_regdma_clock_configure(PAU_instance()->hal, true);
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pau_hal_set_regdma_system_link_addr(PAU_instance()->hal, link_addr);
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}
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void IRAM_ATTR pau_regdma_trigger_system_link_backup(void)
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{
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pau_hal_start_regdma_system_link(PAU_instance()->hal, true);
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pau_hal_stop_regdma_system_link(PAU_instance()->hal);
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}
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void IRAM_ATTR pau_regdma_trigger_system_link_restore(void)
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{
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pau_hal_start_regdma_system_link(PAU_instance()->hal, false);
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pau_hal_stop_regdma_system_link(PAU_instance()->hal);
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}
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#endif
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void IRAM_ATTR pau_regdma_set_extra_link_addr(void *link_addr)
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{
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pau_hal_set_regdma_extra_link_addr(PAU_instance()->hal, link_addr);
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}
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void IRAM_ATTR pau_regdma_trigger_extra_link_backup(void)
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{
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pau_hal_start_regdma_extra_link(PAU_instance()->hal, true);
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pau_hal_stop_regdma_extra_link(PAU_instance()->hal);
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}
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void IRAM_ATTR pau_regdma_trigger_extra_link_restore(void)
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{
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pau_hal_start_regdma_extra_link(PAU_instance()->hal, false);
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pau_hal_stop_regdma_extra_link(PAU_instance()->hal);
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}
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