mirror of
https://github.com/espressif/esp-idf.git
synced 2026-09-22 13:01:16 +03:00
7561d2c5c2
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.
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/*
|
|
* 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)
|
|
},
|
|
};
|