ieee802154: update files for Zephyr support

FreeRTOS-related code (e.g. locks) are replaced with Zephyr-specific
equivalents and required code is added to CMakeLists.txt.

Signed-off-by: Martin Jäger <[email protected]>

Author: martinjaeger

components/esp_phy/src/btbb_init.c

@@ -7,12 +7,13 @@
 #include <stdint.h>
 #include "esp_check.h"
 #include "esp_log.h"
-#include "freertos/FreeRTOS.h"
 #include "esp_private/btbb.h"
 
+#include <zephyr/kernel.h>
+
 #define BTBB_ENABLE_VERSION_PRINT 1
 
-static _lock_t s_btbb_access_lock;
+static struct k_spinlock s_btbb_access_lock;
 /* Reference count of enabling BT BB */
 static uint8_t s_btbb_access_ref = 0;
 
@@ -57,7 +58,7 @@ static void btbb_sleep_retention_deinit(void)
 
 void esp_btbb_enable(void)
 {
-    _lock_acquire(&s_btbb_access_lock);
+    k_spinlock_key_t key = k_spin_lock(&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
@@ -77,16 +78,16 @@ void esp_btbb_enable(void)
 #endif // SOC_PM_MODEM_RETENTION_BY_REGDMA && CONFIG_FREERTOS_USE_TICKLESS_IDLE
     }
     s_btbb_access_ref++;
-    _lock_release(&s_btbb_access_lock);
+    k_spin_unlock(&s_btbb_access_lock, key);
 }
 
 void esp_btbb_disable(void)
 {
-    _lock_acquire(&s_btbb_access_lock);
+    k_spinlock_key_t key = k_spin_lock(&s_btbb_access_lock);
     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);
+    k_spin_unlock(&s_btbb_access_lock, key);
 }

components/esp_timer/src/esp_timer.c

@@ -586,7 +586,7 @@ esp_err_t esp_timer_init(void)
     return err;
 }
 
-#if defined(CONFIG_WIFI_ESP32) || defined(CONFIG_BT_ESP32)
+#if defined(CONFIG_WIFI_ESP32) || defined(CONFIG_BT_ESP32) || defined(CONFIG_IEEE802154_ESP32)
 SYS_INIT(esp_timer_init, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
 #endif
 

components/ieee802154/driver/esp_ieee802154_dev.c

@@ -6,7 +6,6 @@
 
 #include <string.h>
 #include "sdkconfig.h"
-#include "freertos/portmacro.h"
 #include "soc/periph_defs.h"
 #include "soc/soc.h"
 #include "soc/ieee802154_periph.h"
@@ -39,6 +38,9 @@
 #endif // SOC_PM_RETENTION_HAS_CLOCK_BUG
 #endif // CONFIG_PM_ENABLE
 
+#include <zephyr/kernel.h>
+#include <zephyr/drivers/interrupt_controller/intc_esp32c3.h>
+
 static bool s_rf_closed = true;
 #define CCA_DETECTION_TIME 8
 
@@ -68,8 +70,8 @@ static bool s_needs_next_operation = false;
 static uint8_t s_rx_index = 0;
 static uint8_t s_enh_ack_frame[128];
 static uint8_t s_recent_rx_frame_info_index;
-static portMUX_TYPE s_ieee802154_spinlock = portMUX_INITIALIZER_UNLOCKED;
-static intr_handle_t s_ieee802154_isr_handle = NULL;
+static struct k_spinlock s_ieee802154_spinlock;
+static k_spinlock_key_t s_ieee802154_key;
 
 static esp_err_t ieee802154_sleep_init(void);
 static esp_err_t ieee802154_sleep_deinit(void);
@@ -640,15 +642,15 @@ static IRAM_ATTR void isr_handle_ed_done(void)
 
 IEEE802154_STATIC IRAM_ATTR void ieee802154_enter_critical(void)
 {
-    portENTER_CRITICAL(&s_ieee802154_spinlock);
+    s_ieee802154_key = k_spin_lock(&s_ieee802154_spinlock);
 }
 
 IEEE802154_STATIC IRAM_ATTR void ieee802154_exit_critical(void)
 {
-    portEXIT_CRITICAL(&s_ieee802154_spinlock);
+    k_spin_unlock(&s_ieee802154_spinlock, s_ieee802154_key);
 }
 
-IEEE802154_NOINLINE static void ieee802154_isr(void *arg)
+IEEE802154_NOINLINE static void ieee802154_isr(const void *arg)
 {
     ieee802154_enter_critical();
     ieee802154_ll_events events = ieee802154_ll_get_events();
@@ -810,7 +812,7 @@ esp_err_t ieee802154_mac_init(void)
     ieee802154_set_state(IEEE802154_STATE_IDLE);
 
     // TODO: Add flags for IEEE802154 ISR allocating. TZ-102
-    ret = esp_intr_alloc(ieee802154_periph.irq_id, 0, ieee802154_isr, NULL, &s_ieee802154_isr_handle);
+    ret = esp_intr_alloc(ieee802154_periph.irq_id, 0, ieee802154_isr, NULL, NULL);
     ESP_RETURN_ON_FALSE(ret == ESP_OK, ESP_FAIL, IEEE802154_TAG, "IEEE802154 MAC init failed");
 
     ESP_RETURN_ON_FALSE(ieee802154_sleep_init() == ESP_OK, ESP_FAIL, IEEE802154_TAG, "IEEE802154 MAC sleep init failed");
@@ -820,12 +822,8 @@ esp_err_t ieee802154_mac_init(void)
 
 esp_err_t ieee802154_mac_deinit(void)
 {
-    esp_err_t ret = ESP_OK;
-    if (s_ieee802154_isr_handle) {
-        ret = esp_intr_free(s_ieee802154_isr_handle);
-        s_ieee802154_isr_handle = NULL;
-        ESP_RETURN_ON_FALSE(ret == ESP_OK, ESP_FAIL, IEEE802154_TAG, "IEEE802154 MAC ISR deinit failed");
-    }
+    esp_err_t ret = esp_intr_disable(ieee802154_periph.irq_id);
+    ESP_RETURN_ON_FALSE(ret == ESP_OK, ESP_FAIL, IEEE802154_TAG, "IEEE802154 MAC ISR deinit failed");
     ESP_RETURN_ON_FALSE(ieee802154_sleep_deinit() == ESP_OK, ESP_FAIL, IEEE802154_TAG, "IEEE802154 MAC sleep deinit failed");
     return ret;
 }

zephyr/esp32c6/CMakeLists.txt

@@ -109,6 +109,9 @@ if(CONFIG_SOC_SERIES_ESP32C6)
     ../../components/wpa_supplicant/src/eap_peer
     ../../components/mbedtls/port/include
 
+    ../../components/ieee802154/include
+    ../../components/ieee802154/private_include
+
     ../port/include/boot
   )
 
@@ -316,8 +319,8 @@ if(CONFIG_SOC_SERIES_ESP32C6)
     ../../components/hal/ledc_hal.c
     )
 
-  ## shared WIFI/BT resources
-  if (CONFIG_BT OR CONFIG_WIFI_ESP32)
+  ## shared WIFI/BT/IEEE802154 resources
+  if (CONFIG_BT OR CONFIG_WIFI_ESP32 OR CONFIG_IEEE802154)
     zephyr_sources(
       ../../components/esp_phy/src/phy_init.c
       ../../components/esp_phy/src/lib_printf.c
@@ -568,6 +571,30 @@ if(CONFIG_SOC_SERIES_ESP32C6)
 
   endif()
 
+  ## IEEE 802.15.4 definitions
+  if (CONFIG_IEEE802154)
+    zephyr_sources(
+      ../../components/esp_phy/src/btbb_init.c
+      ../../components/soc/${CONFIG_SOC_SERIES}/ieee802154_periph.c
+      ../../components/ieee802154/esp_ieee802154.c
+      ../../components/ieee802154/driver/esp_ieee802154_ack.c
+      ../../components/ieee802154/driver/esp_ieee802154_dev.c
+      ../../components/ieee802154/driver/esp_ieee802154_frame.c
+      ../../components/ieee802154/driver/esp_ieee802154_pib.c
+      ../../components/ieee802154/driver/esp_ieee802154_util.c
+      ../../components/ieee802154/driver/esp_ieee802154_sec.c
+      ../../components/ieee802154/driver/esp_ieee802154_timer.c
+    )
+
+    zephyr_compile_definitions(CONFIG_IEEE802154_ENABLED)
+    zephyr_compile_definitions(CONFIG_SOC_IEEE802154_SUPPORTED)
+
+    zephyr_link_libraries(
+      btbb
+        -L${CMAKE_CURRENT_SOURCE_DIR}/../blobs/lib/${CONFIG_SOC_SERIES}
+      )
+  endif()
+
   zephyr_link_libraries_ifdef(CONFIG_NEWLIB_LIBC c)
 
 endif()