4 files changed, 141 insertions, 5 deletions
diff --git a/components/drivers/include/drivers/phy.h b/components/drivers/include/drivers/phy.h
new file mode 100644
index 0000000000..2d1ad9f91f
--- /dev/null
+++ b/components/drivers/include/drivers/phy.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2006-2020, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-10-14     wangqiang    the first version
+ */
+
+#ifndef __PHY_H__
+#define __PHY_H__
+
+#include <rtthread.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/* Defines the PHY link speed. This is align with the speed for MAC. */
+enum phy_speed
+{
+    PHY_SPEED_10M = 0U, /* PHY 10M speed. */
+    PHY_SPEED_100M      /* PHY 100M speed. */
+};
+
+/* Defines the PHY link duplex. */
+enum phy_duplex
+{
+    PHY_HALF_DUPLEX = 0U, /* PHY half duplex. */
+    PHY_FULL_DUPLEX       /* PHY full duplex. */
+};
+
+/*! @brief Defines the PHY loopback mode. */
+enum phy_loop
+{
+    PHY_LOCAL_LOOP = 0U, /* PHY local loopback. */
+    PHY_REMOTE_LOOP      /* PHY remote loopback. */
+};
+
+
+struct rt_phy_msg
+{
+    rt_uint32_t reg;
+    rt_uint32_t value;
+};
+
+typedef struct rt_phy_msg rt_phy_msg_t;
+
+
+struct rt_phy_device
+{
+    struct rt_device parent;
+    struct rt_mdio_bus *bus;
+    rt_uint32_t addr;
+    struct rt_phy_ops *ops;
+};
+
+typedef struct rt_phy_device rt_phy_t;
+
+
+enum {
+    PHY_STATUS_OK = 0,
+    PHY_STATUS_FAIL,
+    PHY_STATUS_TIMEOUT,
+};
+
+typedef rt_int32_t rt_phy_status;
+
+struct rt_phy_ops
+{
+    rt_phy_status (*init)(void *object, rt_uint32_t phy_addr, rt_uint32_t src_clock_hz);
+    rt_phy_status (*read)(rt_uint32_t reg, rt_uint32_t *data);
+    rt_phy_status (*write)(rt_uint32_t reg, rt_uint32_t data);
+    rt_phy_status (*loopback)(rt_uint32_t mode, rt_uint32_t speed, rt_bool_t enable);
+    rt_phy_status (*get_link_status)(rt_bool_t *status);
+    rt_phy_status (*get_link_speed_duplex)(rt_uint32_t *speed, rt_uint32_t *duplex);
+};
+
+rt_err_t rt_hw_phy_register(struct rt_phy_device *phy, const char *name);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __PHY_H__*/
diff --git a/components/drivers/include/drivers/phy_mdio.h b/components/drivers/include/drivers/phy_mdio.h
new file mode 100644
index 0000000000..d978ec2984
--- /dev/null
+++ b/components/drivers/include/drivers/phy_mdio.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2006-2020, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-10-14     wangqiang    the first version
+ */
+
+#ifndef __MDIO_H__
+#define __MDIO_H__
+
+#include <rtthread.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+struct rt_mdio_bus_ops
+{
+    rt_bool_t (*init)(void *bus, rt_uint32_t src_clock_hz);
+    rt_size_t (*read)(void *bus, rt_uint32_t addr, rt_uint32_t reg, void *data, rt_uint32_t size);
+    rt_size_t (*write)(void *bus, rt_uint32_t addr, rt_uint32_t reg, void *data, rt_uint32_t size);
+    rt_bool_t (*uninit)(void *bus);
+};
+
+struct rt_mdio_bus
+{
+    void *hw_obj;
+    char *name;
+    struct rt_mdio_bus_ops *ops;
+};
+
+typedef struct rt_mdio_bus rt_mdio_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/components/drivers/include/ipc/dataqueue.h b/components/drivers/include/ipc/dataqueue.h
index d90be76ffb..0262f4702b 100644
--- a/components/drivers/include/ipc/dataqueue.h
+++ b/components/drivers/include/ipc/dataqueue.h
@@ -17,8 +17,7 @@
 #define RT_DATAQUEUE_EVENT_LWM       0x03
 
 struct rt_data_item;
-#define RT_DATAQUEUE_SIZE(dq)        ((dq)->put_index - (dq)->get_index)
-#define RT_DATAQUEUE_EMPTY(dq)       ((dq)->size - RT_DATAQUEUE_SIZE(dq))
+
 /* data queue implementation */
 struct rt_data_queue
 {
@@ -26,10 +25,11 @@ struct rt_data_queue
 
     rt_uint16_t size;
     rt_uint16_t lwm;
-    rt_bool_t   waiting_lwm;
 
-    rt_uint16_t get_index;
-    rt_uint16_t put_index;
+    rt_uint16_t get_index : 15;
+    rt_uint16_t is_empty  : 1;
+    rt_uint16_t put_index : 15;
+    rt_uint16_t is_full   : 1;
 
     struct rt_data_item *queue;
 
@@ -60,5 +60,6 @@ rt_err_t rt_data_queue_peak(struct rt_data_queue *queue,
                             rt_size_t            *size);
 void rt_data_queue_reset(struct rt_data_queue *queue);
 rt_err_t rt_data_queue_deinit(struct rt_data_queue *queue);
+rt_uint16_t rt_data_queue_len(struct rt_data_queue *queue);
 
 #endif
diff --git a/components/drivers/include/rtdevice.h b/components/drivers/include/rtdevice.h
index f54290097c..f0fa2f5b4a 100644
--- a/components/drivers/include/rtdevice.h
+++ b/components/drivers/include/rtdevice.h
@@ -69,6 +69,11 @@ extern "C" {
 #endif /* RT_USING_I2C_BITOPS */
 #endif /* RT_USING_I2C */
 
+#ifdef RT_USING_PHY
+#include "drivers/phy.h"
+#include "drivers/phy_mdio.h"
+#endif /* RT_USING_PHY */
+
 #ifdef RT_USING_SDIO
 #include "drivers/mmcsd_core.h"
 #include "drivers/sd.h"