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btbb: support register retention in esp32c6

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This commit is contained in:
cjin 2023-06-13 19:18:57 +08:00
parent e72359fc66
commit 30a67ed72c
3 changed files with 66 additions and 3 deletions
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2
components/esp_hw_support/include/esp_private/esp_regdma.h
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@ -40,7 +40,7 @@ extern "C" {
#define REGDMA_SPIMEM_LINK(_pri) ((0x13 << 8) | _pri)
#define REGDMA_SYSTIMER_LINK(_pri) ((0x14 << 8) | _pri)
#define REGDMA_BLE_MAC_LINK(_pri) ((0x15 << 8) | _pri)
#define REGDMA_BB_LINK(_pri) ((0x16 << 8) | _pri)
#define REGDMA_MODEM_BT_BB_LINK(_pri) ((0x16 << 8) | _pri)
#define REGDMA_MODEM_FE_LINK(_pri) ((0xFF << 8) | _pri)
typedef enum {

24
components/esp_phy/esp32c6/include/btbb_retention_reg.h Normal file
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@ -0,0 +1,24 @@
/*
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
// btbb sleep retention reg
#define BB_PART_0_SIZE 93
#define BB_PART_1_SIZE 62
#define BB_PART_2_SIZE 19
#define BB_PART_0_ADDR 0x600A2000
#define BB_PART_1_ADDR 0x600A2800
#define BB_PART_2_ADDR 0x600A2C00
#ifdef __cplusplus
}
#endif

43
components/esp_phy/src/btbb_init.c
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@ -5,6 +5,8 @@
*/
#include <stdint.h>
#include "esp_check.h"
#include "esp_log.h"
#include "freertos/FreeRTOS.h"
#include "esp_private/btbb.h"
@ -14,11 +16,46 @@ static _lock_t s_btbb_access_lock;
/* Reference count of enabling BT BB */
static uint8_t s_btbb_access_ref = 0;
#if SOC_PM_MODEM_RETENTION_BY_REGDMA && CONFIG_FREERTOS_USE_TICKLESS_IDLE
#include "esp_private/sleep_retention.h"
#include "btbb_retention_reg.h"
static const char* TAG = "btbb_init";
#if SOC_PM_RETENTION_HAS_CLOCK_BUG
#define BTBB_LINK_OWNER ENTRY(3)
#else
#define BTBB_LINK_OWNER ENTRY(0) | ENTRY(2)
#endif // SOC_PM_RETENTION_HAS_CLOCK_BUG
static esp_err_t btbb_sleep_retention_init(void)
{
const static sleep_retention_entries_config_t btbb_regs_retention[] = {
[0] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_MODEM_BT_BB_LINK(0x00), BB_PART_0_ADDR, BB_PART_0_ADDR, BB_PART_0_SIZE, 0, 0), .owner = BTBB_LINK_OWNER },
[1] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_MODEM_BT_BB_LINK(0x01), BB_PART_1_ADDR, BB_PART_1_ADDR, BB_PART_1_SIZE, 0, 0), .owner = BTBB_LINK_OWNER },
[2] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_MODEM_BT_BB_LINK(0x02), BB_PART_2_ADDR, BB_PART_2_ADDR, BB_PART_2_SIZE, 0, 0), .owner = BTBB_LINK_OWNER }
};
esp_err_t err = sleep_retention_entries_create(btbb_regs_retention, ARRAY_SIZE(btbb_regs_retention), REGDMA_LINK_PRI_5, SLEEP_RETENTION_MODULE_BLE_BB);
ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for btbb retention");
ESP_LOGI(TAG, "btbb sleep retention initialization");
return ESP_OK;
}
static void btbb_sleep_retention_deinit(void)
{
sleep_retention_entries_destroy(SLEEP_RETENTION_MODULE_BLE_BB);
}
#endif // SOC_PM_MODEM_RETENTION_BY_REGDMA && CONFIG_FREERTOS_USE_TICKLESS_IDLE
void esp_btbb_enable(void)
{
_lock_acquire(&s_btbb_access_lock);
if (s_btbb_access_ref == 0) {
bt_bb_v2_init_cmplx(BTBB_ENABLE_VERSION_PRINT);
#if SOC_PM_MODEM_RETENTION_BY_REGDMA && CONFIG_FREERTOS_USE_TICKLESS_IDLE
btbb_sleep_retention_init();
#endif // SOC_PM_MODEM_RETENTION_BY_REGDMA && CONFIG_FREERTOS_USE_TICKLESS_IDLE
}
s_btbb_access_ref++;
_lock_release(&s_btbb_access_lock);
@ -27,8 +64,10 @@ void esp_btbb_enable(void)
void esp_btbb_disable(void)
{
_lock_acquire(&s_btbb_access_lock);
if (s_btbb_access_ref > 0) {
s_btbb_access_ref--;
if (s_btbb_access_ref && (--s_btbb_access_ref == 0)) {
#if SOC_PM_MODEM_RETENTION_BY_REGDMA && CONFIG_FREERTOS_USE_TICKLESS_IDLE
btbb_sleep_retention_deinit();
#endif // SOC_PM_MODEM_RETENTION_BY_REGDMA && CONFIG_FREERTOS_USE_TICKLESS_IDLE
}
_lock_release(&s_btbb_access_lock);
}