1 /*
2 * SPDX-FileCopyrightText: 2020-2024 Espressif Systems (Shanghai) CO LTD
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <stdlib.h>
8 #include <string.h>
9 #include "sdkconfig.h"
10 #include "soc/soc_caps.h"
11
12 #include "esp_err.h"
13 #if CONFIG_GDMA_ENABLE_DEBUG_LOG
14 // The local log level must be defined before including esp_log.h
15 // Set the maximum log level for this source file
16 #define LOG_LOCAL_LEVEL ESP_LOG_DEBUG
17 #endif
18 #include "esp_log.h"
19 #include "esp_check.h"
20 #include "esp_private/sleep_retention.h"
21 #include "esp_private/esp_regdma.h"
22
23 #include "hal/gdma_ll.h"
24
25 static const char *TAG = "gdma";
26
27 typedef struct {
28 int group_id;
29 int pair_id;
30 } gdma_channel_retention_arg_t;
31
32 typedef struct gdma_chx_reg_ctx_link {
33 const sleep_retention_entries_config_t *link_list;
34 uint32_t link_num;
35 } gdma_chx_reg_ctx_link_t;
36
37 #include "sleep_gdma_retention_context.inc"
38
sleep_gdma_channel_retention_init(void * arg)39 static esp_err_t sleep_gdma_channel_retention_init(void *arg)
40 {
41 gdma_channel_retention_arg_t *parg = (gdma_channel_retention_arg_t *)arg;
42 int group_id = parg->group_id;
43 int pair_id = parg->pair_id;
44
45 sleep_retention_module_bitmap_t module = GDMA_CH_RETENTION_GET_MODULE_ID(group_id, pair_id);
46 esp_err_t err = sleep_retention_entries_create(gdma_chx_regs_retention[group_id][pair_id].link_list, gdma_chx_regs_retention[group_id][pair_id].link_num, REGDMA_LINK_PRI_GDMA, module);
47 if (err == ESP_OK) {
48 ESP_LOGD(TAG, "GDMA pair (%d, %d) retention initialization", group_id, pair_id);
49 }
50
51 ESP_RETURN_ON_ERROR(err, TAG, "Failed to create sleep retention linked list for GDMA pair (%d, %d) retention", group_id, pair_id);
52 return err;
53 }
54
gdma_sleep_retention_init(int group_id,int pair_id)55 esp_err_t gdma_sleep_retention_init(int group_id, int pair_id)
56 {
57 gdma_channel_retention_arg_t arg = { .group_id = group_id, .pair_id = pair_id };
58 sleep_retention_module_init_param_t init_param = {
59 .cbs = { .create = { .handle = sleep_gdma_channel_retention_init, .arg = &arg } },
60 .depends = BIT(SLEEP_RETENTION_MODULE_CLOCK_SYSTEM)
61 };
62 sleep_retention_module_bitmap_t module = GDMA_CH_RETENTION_GET_MODULE_ID(group_id, pair_id);
63 esp_err_t err = sleep_retention_module_init(module, &init_param);
64 if (err == ESP_OK) {
65 err = sleep_retention_module_allocate(module);
66 if (err != ESP_OK) {
67 ESP_LOGW(TAG, "Failed to allocate sleep retention linked list for GDMA retention");
68 }
69 }
70 return err;
71 }
72
gdma_sleep_retention_deinit(int group_id,int pair_id)73 esp_err_t gdma_sleep_retention_deinit(int group_id, int pair_id)
74 {
75 esp_err_t err = sleep_retention_module_free(GDMA_CH_RETENTION_GET_MODULE_ID(group_id, pair_id));
76 if (err != ESP_OK) {
77 ESP_LOGW(TAG, "GDMA pair (%d, %d) retention destroy failed", group_id, pair_id);
78 }
79 err = sleep_retention_module_deinit(GDMA_CH_RETENTION_GET_MODULE_ID(group_id, pair_id));
80 if (err != ESP_OK) {
81 ESP_LOGW(TAG, "GDMA pair (%d, %d) retention deinit failed", group_id, pair_id);
82 }
83 return err;
84 }
85
