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refactor(i2s): move sleep retention config into driver layer

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Move per-target I2S regdma retention descriptors out of esp_hal_i2s and
into esp_driver_i2s so the driver owns its backup scope and restore
sequence.
This commit is contained in:
morris
2026-07-12 22:38:39 +08:00
parent 25fe69f946
commit 7561d2c5c2
19 changed files with 411 additions and 354 deletions
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components/esp_driver_i2s/esp32c5/i2s_retention.c
+46
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/*
* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "i2s_private.h"
#include "hal/i2s_periph.h"
/**
* I2S Registers to be saved during sleep retention
* - I2S_RX_CONF_REG
* - I2S_TX_CONF_REG
* - I2S_RX_CONF1_REG
* - I2S_TX_CONF1_REG
* - I2S_TX_PCM2PDM_CONF_REG
* - I2S_TX_PCM2PDM_CONF1_REG
* - I2S_RX_TDM_CTRL_REG
* - I2S_TX_TDM_CTRL_REG
* - I2S_RXEOF_NUM_REG
* - I2S_ETM_CONF_REG
*/
#define I2S_RETENTION_REGS_CNT 10
#define I2S_RETENTION_REGS_BASE(i) I2S_RX_CONF_REG(i)
static const uint32_t i2s_regs_map[4] = {0x12360f, 0x0, 0x0, 0x0};
#define I2S_SLEEP_RETENTION_ENTRIES(i2s_port) { \
/* Save/restore the register values */ \
[0] = { .config = REGDMA_LINK_ADDR_MAP_INIT( \
REGDMA_I2S_LINK(0x00), \
I2S_RETENTION_REGS_BASE(i2s_port), \
I2S_RETENTION_REGS_BASE(i2s_port), \
I2S_RETENTION_REGS_CNT, 0, 0, \
i2s_regs_map[0], i2s_regs_map[1], \
i2s_regs_map[2], i2s_regs_map[3]), \
.owner = ENTRY(0) | ENTRY(2)}, \
};
static const regdma_entries_config_t i2s0_regs_retention[] = I2S_SLEEP_RETENTION_ENTRIES(0);
const i2s_reg_retention_info_t i2s_reg_retention_info[I2S_LL_GET(INST_NUM)] = {
[0] = {
.retention_module = SLEEP_RETENTION_MODULE_I2S0,
.entry_array = i2s0_regs_retention,
.array_size = ARRAY_SIZE(i2s0_regs_retention)
},
};