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59 lines
2.2 KiB
C
59 lines
2.2 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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// The HAL layer for PAU (ESP32-C6 specific part)
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#include "soc/soc.h"
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#include "esp_attr.h"
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#include "hal/pau_hal.h"
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#include "hal/pau_types.h"
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void pau_hal_set_regdma_entry_link_addr(pau_hal_context_t *hal, pau_regdma_link_addr_t *link_addr)
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{
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pau_ll_set_regdma_link0_addr(hal->dev, (*link_addr)[0]);
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pau_ll_set_regdma_link1_addr(hal->dev, (*link_addr)[1]);
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pau_ll_set_regdma_link2_addr(hal->dev, (*link_addr)[2]);
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/* The link 3 of REGDMA is reserved, PMU state switching will not use
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* REGDMA link 3 */
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}
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void pau_hal_start_regdma_modem_link(pau_hal_context_t *hal, bool backup_or_restore)
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{
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pau_ll_clear_regdma_backup_done_intr_state(hal->dev);
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pau_ll_set_regdma_select_wifimac_link(hal->dev);
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pau_ll_set_regdma_wifimac_link_backup_direction(hal->dev, backup_or_restore);
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pau_ll_set_regdma_wifimac_link_backup_start_enable(hal->dev);
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while (!(pau_ll_get_regdma_intr_raw_signal(hal->dev) & PAU_DONE_INT_RAW));
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}
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void pau_hal_stop_regdma_modem_link(pau_hal_context_t *hal)
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{
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pau_ll_set_regdma_wifimac_link_backup_start_disable(hal->dev);
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pau_ll_set_regdma_deselect_wifimac_link(hal->dev);
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pau_ll_clear_regdma_backup_done_intr_state(hal->dev);
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}
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void pau_hal_start_regdma_extra_link(pau_hal_context_t *hal, bool backup_or_restore)
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{
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pau_ll_clear_regdma_backup_done_intr_state(hal->dev);
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/* The link 3 of REGDMA is reserved, we use it as an extra linked list to
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* provide backup and restore services for BLE, IEEE802.15.4 and possibly
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* other modules */
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pau_ll_select_regdma_entry_link(hal->dev, 3);
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pau_ll_set_regdma_entry_link_backup_direction(hal->dev, backup_or_restore);
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pau_ll_set_regdma_entry_link_backup_start_enable(hal->dev);
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while (!(pau_ll_get_regdma_intr_raw_signal(hal->dev) & PAU_DONE_INT_RAW));
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}
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void pau_hal_stop_regdma_extra_link(pau_hal_context_t *hal)
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{
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pau_ll_set_regdma_entry_link_backup_start_disable(hal->dev);
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pau_ll_select_regdma_entry_link(hal->dev, 0); /* restore link select to default */
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pau_ll_clear_regdma_backup_done_intr_state(hal->dev);
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}
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