原始版本

RT_Thread/components/drivers/phy/mdio.c

@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2024-10-08     zhujiale    the first version
+ */
+#include "mdio.h"
+
+static struct rt_list_node mdio_list;
+
+struct mii_bus *rt_mdio_get_bus_by_name(const char *busname)
+{
+    struct rt_list_node *entry;
+    struct mii_bus *bus;
+
+    if (!busname)
+    {
+        rt_kprintf("NULL bus name!\n");
+        return RT_NULL;
+    }
+
+    rt_list_for_each(entry, &mdio_list)
+    {
+        bus = rt_container_of(entry, struct mii_bus, node);
+        if (!strcmp(bus->name, busname))
+            return bus;
+    }
+
+    return RT_NULL;
+}
+
+struct mii_bus *rt_mdio_alloc(void)
+{
+    struct mii_bus *mii;
+    mii = rt_malloc(sizeof(struct mii_bus));
+    if (!mii)
+        return RT_NULL;
+
+    rt_list_init(&mii->node);
+    return mii;
+}
+
+rt_err_t rt_mdio_register(struct mii_bus *bus)
+{
+    if (!bus)
+        return -RT_ERROR;
+
+    if(rt_mdio_get_bus_by_name(bus->name))
+    {
+        rt_kprintf("mdio bus %s already exist!\n", bus->name);
+        return -RT_ERROR;
+    }
+
+    rt_list_insert_before(&mdio_list, &bus->node);
+    return RT_EOK;
+}
+
+rt_err_t rt_mdio_unregister(struct mii_bus *bus)
+{
+    if (!bus)
+        return -RT_ERROR;
+
+    rt_list_remove(&bus->node);
+    return RT_EOK;
+}
+
+static int mdio_init(void)
+{
+    rt_list_init(&mdio_list);
+    return 0;
+}
+INIT_CORE_EXPORT(mdio_init);