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pau: implement the pau regdma hal&ll layer for esp32c6

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This commit is contained in:
Li Shuai
2023-02-14 14:23:29 +08:00
committed by wuzhenghui
parent 180199319b
commit 5850cd7492
5 changed files with 312 additions and 0 deletions
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4
components/hal/CMakeLists.txt
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@@ -131,6 +131,10 @@ if(NOT BOOTLOADER_BUILD)
list(APPEND srcs "${target}/lp_timer_hal.c") list(APPEND srcs "${target}/lp_timer_hal.c")
endif() endif()
if(CONFIG_SOC_PAU_SUPPORTED)
list(APPEND srcs "${target}/pau_hal.c")
endif()
if(CONFIG_SOC_BOD_SUPPORTED) if(CONFIG_SOC_BOD_SUPPORTED)
list(APPEND srcs "brownout_hal.c") list(APPEND srcs "brownout_hal.c")
endif() endif()

155
components/hal/esp32c6/include/hal/pau_ll.h Normal file
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@@ -0,0 +1,155 @@
/*
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
// The LL layer for ESP32-C6 PAU(Power Assist Unit) register operations
#pragma once
#include <stdlib.h>
#include <stdbool.h>
#include "soc/soc.h"
#include "soc/pau_reg.h"
#include "soc/pau_struct.h"
#include "hal/pau_types.h"
#include "hal/assert.h"
#ifdef __cplusplus
extern "C" {
#endif
static inline uint32_t pau_ll_get_regdma_backup_flow_error(pau_dev_t *dev)
{
return dev->regdma_conf.flow_err;
}
static inline void pau_ll_select_regdma_entry_link(pau_dev_t *dev, int link)
{
dev->regdma_conf.link_sel = link;
}
static inline void pau_ll_set_regdma_entry_link_backup_direction(pau_dev_t *dev, bool to_mem)
{
dev->regdma_conf.to_mem = to_mem ? 1 : 0;
}
static inline void pau_ll_set_regdma_entry_link_backup_start_enable(pau_dev_t *dev)
{
dev->regdma_conf.start = 1;
}
static inline void pau_ll_set_regdma_entry_link_backup_start_disable(pau_dev_t *dev)
{
dev->regdma_conf.start = 0;
}
static inline void pau_ll_set_regdma_select_wifimac_link(pau_dev_t *dev)
{
dev->regdma_conf.sel_mac = 1;
}
static inline void pau_ll_set_regdma_deselect_wifimac_link(pau_dev_t *dev)
{
dev->regdma_conf.sel_mac = 0;
}
static inline void pau_ll_set_regdma_wifimac_link_backup_direction(pau_dev_t *dev, bool to_mem)
{
dev->regdma_conf.to_mem_mac = to_mem ? 1 : 0;
}
static inline void pau_ll_set_regdma_wifimac_link_backup_start_enable(pau_dev_t *dev)
{
dev->regdma_conf.start_mac = 1;
}
static inline void pau_ll_set_regdma_wifimac_link_backup_start_disable(pau_dev_t *dev)
{
dev->regdma_conf.start_mac = 0;
}
static inline void pau_ll_set_regdma_link0_addr(pau_dev_t *dev, void *link_addr)
{
dev->regdma_link_0_addr.val = (uint32_t)link_addr;
}
static inline void pau_ll_set_regdma_link1_addr(pau_dev_t *dev, void *link_addr)
{
dev->regdma_link_1_addr.val = (uint32_t)link_addr;
}
static inline void pau_ll_set_regdma_link2_addr(pau_dev_t *dev, void *link_addr)
{
dev->regdma_link_2_addr.val = (uint32_t)link_addr;
}
static inline void pau_ll_set_regdma_link3_addr(pau_dev_t *dev, void *link_addr)
{
dev->regdma_link_3_addr.val = (uint32_t)link_addr;
}
static inline void pau_ll_set_regdma_wifimac_link_addr(pau_dev_t *dev, void *link_addr)
{
dev->regdma_link_mac_addr.val = (uint32_t)link_addr;
}
static inline uint32_t pau_ll_get_regdma_current_link_addr(pau_dev_t *dev)
{
return dev->regdma_current_link_addr.val;
}
static inline uint32_t pau_ll_get_regdma_backup_addr(pau_dev_t *dev)
{
return dev->regdma_backup_addr.val;
}
static inline uint32_t pau_ll_get_regdma_memory_addr(pau_dev_t *dev)
{
return dev->regdma_mem_addr.val;
}
static inline uint32_t pau_ll_get_regdma_intr_raw_signal(pau_dev_t *dev)
{
return dev->int_raw.val;
}
static inline uint32_t pau_ll_get_regdma_intr_status(pau_dev_t *dev)
{
return dev->int_st.val;
}
static inline void pau_ll_set_regdma_backup_done_intr_enable(pau_dev_t *dev)
{
dev->int_ena.done_int_ena = 1;
}
static inline void pau_ll_set_regdma_backup_done_intr_disable(pau_dev_t *dev)
{
dev->int_ena.done_int_ena = 0;
}
static inline void pau_ll_set_regdma_backup_error_intr_enable(pau_dev_t *dev)
{
dev->int_ena.error_int_ena = 1;
}
static inline void pau_ll_set_regdma_backup_error_intr_disable(pau_dev_t *dev)
{
dev->int_ena.error_int_ena = 0;
}
static inline void pau_ll_clear_regdma_backup_done_intr_state(pau_dev_t *dev)
{
dev->int_clr.done_int_clr = 1;
}
static inline void pau_ll_clear_regdma_backup_error_intr_state(pau_dev_t *dev)
{
dev->int_clr.error_int_clr = 1;
}
#ifdef __cplusplus
}
#endif

58
components/hal/esp32c6/pau_hal.c Normal file
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@@ -0,0 +1,58 @@
/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
// The HAL layer for PAU (ESP32-C6 specific part)
#include "soc/soc.h"
#include "esp_attr.h"
#include "hal/pau_hal.h"
#include "hal/pau_types.h"
void pau_hal_set_regdma_entry_link_addr(pau_hal_context_t *hal, pau_regdma_link_addr_t *link_addr)
{
pau_ll_set_regdma_link0_addr(hal->dev, (*link_addr)[0]);
pau_ll_set_regdma_link1_addr(hal->dev, (*link_addr)[1]);
pau_ll_set_regdma_link2_addr(hal->dev, (*link_addr)[2]);
/* The link 3 of REGDMA is reserved, PMU state switching will not use
* REGDMA link 3 */
}
void pau_hal_start_regdma_modem_link(pau_hal_context_t *hal, bool backup_or_restore)
{
pau_ll_clear_regdma_backup_done_intr_state(hal->dev);
pau_ll_set_regdma_select_wifimac_link(hal->dev);
pau_ll_set_regdma_wifimac_link_backup_direction(hal->dev, backup_or_restore);
pau_ll_set_regdma_wifimac_link_backup_start_enable(hal->dev);
while (!(pau_ll_get_regdma_intr_raw_signal(hal->dev) & PAU_DONE_INT_RAW));
}
void pau_hal_stop_regdma_modem_link(pau_hal_context_t *hal)
{
pau_ll_set_regdma_wifimac_link_backup_start_disable(hal->dev);
pau_ll_set_regdma_deselect_wifimac_link(hal->dev);
pau_ll_clear_regdma_backup_done_intr_state(hal->dev);
}
void pau_hal_start_regdma_extra_link(pau_hal_context_t *hal, bool backup_or_restore)
{
pau_ll_clear_regdma_backup_done_intr_state(hal->dev);
/* The link 3 of REGDMA is reserved, we use it as an extra linked list to
* provide backup and restore services for BLE, IEEE802.15.4 and possibly
* other modules */
pau_ll_select_regdma_entry_link(hal->dev, 3);
pau_ll_set_regdma_entry_link_backup_direction(hal->dev, true);
pau_ll_set_regdma_entry_link_backup_start_enable(hal->dev);
while (!(pau_ll_get_regdma_intr_raw_signal(hal->dev) & PAU_DONE_INT_RAW));
}
void pau_hal_stop_regdma_extra_link(pau_hal_context_t *hal)
{
pau_ll_set_regdma_entry_link_backup_start_disable(hal->dev);
pau_ll_select_regdma_entry_link(hal->dev, 0); /* restore link select to default */
pau_ll_clear_regdma_backup_done_intr_state(hal->dev);
}

79
components/hal/include/hal/pau_hal.h Normal file
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@@ -0,0 +1,79 @@
/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
// The HAL layer for PAU (Power Assist Unit)
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#include "soc/soc_caps.h"
#include "hal/pau_ll.h"
#include "hal/pau_types.h"
typedef struct {
pau_dev_t *dev;
} pau_hal_context_t;
/**
* @brief Set regdma entry link address
*
* @param hal regdma hal context
* @param link_addr entry link address value
*/
void pau_hal_set_regdma_entry_link_addr(pau_hal_context_t *hal, pau_regdma_link_addr_t *link_addr);
/**
* @brief Set regdma modem link address
*
* @param hal regdma hal context
* @param link_addr modem link address value
*/
#define pau_hal_set_regdma_modem_link_addr(hal, addr) pau_ll_set_regdma_wifimac_link_addr((hal)->dev, (addr))
/**
* @brief Start transmission on regdma modem link
*
* @param hal regdma hal context
* @param backup_or_restore false:restore true:backup
*/
void pau_hal_start_regdma_modem_link(pau_hal_context_t *hal, bool backup_or_restore);
/**
* @brief Stop transmission on regdma modem link
*
* @param hal regdma hal context
*/
void pau_hal_stop_regdma_modem_link(pau_hal_context_t *hal);
/**
* @brief Set regdma extra link address
*
* @param hal regdma hal context
* @param link_addr extra link address value
*/
#define pau_hal_set_regdma_extra_link_addr(hal, addr) pau_ll_set_regdma_link3_addr(hal->dev, (addr))
/**
* @brief Start transmission on regdma extra link
*
* @param hal regdma hal context
* @param backup_or_restore false:restore true:backup
*/
void pau_hal_start_regdma_extra_link(pau_hal_context_t *hal, bool backup_or_restore);
/**
* @brief Stop transmission on regdma extra link
*
* @param hal regdma hal context
*/
void pau_hal_stop_regdma_extra_link(pau_hal_context_t *hal);
#ifdef __cplusplus
}
#endif

16
components/hal/include/hal/pau_types.h Normal file
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@@ -0,0 +1,16 @@
/*
* SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include "sdkconfig.h"
#include "soc/soc_caps.h"
#define PAU_REGDMA_LINK_NUM (SOC_PM_PAU_LINK_NUM)
/**
* @brief PAU REGDMA all link address buffer
*/
typedef void * pau_regdma_link_addr_t[PAU_REGDMA_LINK_NUM];